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3277 lines
102 KiB
C
3277 lines
102 KiB
C
/* GStreamer Matroska muxer/demuxer
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* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* (c) 2005 Michal Benes <michal.benes@xeris.cz>
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* (c) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* (c) 2011 Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
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*
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* matroska-mux.c: matroska file/stream muxer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* TODO: - check everywhere that we don't write invalid values
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* - make sure timestamps are correctly scaled everywhere
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*/
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/**
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* SECTION:element-matroskamux
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*
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* matroskamux muxes different input streams into a Matroska file.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch -v filesrc location=/path/to/mp3 ! mp3parse ! matroskamux name=mux ! filesink location=test.mkv filesrc location=/path/to/theora.ogg ! oggdemux ! theoraparse ! mux.
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* ]| This pipeline muxes an MP3 file and a Ogg Theora video into a Matroska file.
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* |[
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* gst-launch -v audiotestsrc num-buffers=100 ! audioconvert ! vorbisenc ! matroskamux ! filesink location=test.mka
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* ]| This pipeline muxes a 440Hz sine wave encoded with the Vorbis codec into a Matroska file.
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <math.h>
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#include <stdio.h>
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#include <string.h>
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#include <gst/audio/audio.h>
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#include <gst/riff/riff-media.h>
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#include <gst/tag/tag.h>
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#include "matroska-mux.h"
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#include "matroska-ids.h"
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GST_DEBUG_CATEGORY_STATIC (matroskamux_debug);
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#define GST_CAT_DEFAULT matroskamux_debug
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enum
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{
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ARG_0,
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ARG_WRITING_APP,
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ARG_DOCTYPE_VERSION,
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ARG_MIN_INDEX_INTERVAL,
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ARG_STREAMABLE
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};
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#define DEFAULT_DOCTYPE_VERSION 2
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#define DEFAULT_WRITING_APP "GStreamer Matroska muxer"
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#define DEFAULT_MIN_INDEX_INTERVAL 0
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#define DEFAULT_STREAMABLE FALSE
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/* WAVEFORMATEX is gst_riff_strf_auds + an extra guint16 extension size */
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#define WAVEFORMATEX_SIZE (2 + sizeof (gst_riff_strf_auds))
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static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-matroska")
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);
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#define COMMON_VIDEO_CAPS \
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"width = (int) [ 16, 4096 ], " \
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"height = (int) [ 16, 4096 ], " \
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"framerate = (fraction) [ 0, MAX ]"
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#define COMMON_VIDEO_CAPS_NO_FRAMERATE \
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"width = (int) [ 16, 4096 ], " \
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"height = (int) [ 16, 4096 ] "
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/* FIXME:
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* * require codec data, etc as needed
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*/
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static GstStaticPadTemplate videosink_templ =
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GST_STATIC_PAD_TEMPLATE ("video_%u",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("video/mpeg, "
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"mpegversion = (int) { 1, 2, 4 }, "
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"systemstream = (boolean) false, "
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COMMON_VIDEO_CAPS "; "
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"video/x-h264, stream-format=avc, alignment=au, "
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COMMON_VIDEO_CAPS "; "
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"video/x-divx, "
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COMMON_VIDEO_CAPS "; "
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"video/x-xvid, "
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COMMON_VIDEO_CAPS "; "
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"video/x-huffyuv, "
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COMMON_VIDEO_CAPS "; "
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"video/x-dv, "
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COMMON_VIDEO_CAPS "; "
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"video/x-h263, "
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COMMON_VIDEO_CAPS "; "
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"video/x-msmpeg, "
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COMMON_VIDEO_CAPS "; "
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"image/jpeg, "
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COMMON_VIDEO_CAPS_NO_FRAMERATE "; "
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"video/x-theora; "
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"video/x-dirac, "
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COMMON_VIDEO_CAPS "; "
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"video/x-pn-realvideo, "
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"rmversion = (int) [1, 4], "
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COMMON_VIDEO_CAPS "; "
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"video/x-vp8, "
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COMMON_VIDEO_CAPS "; "
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"video/x-raw, "
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"format = (string) { YUY2, I420, YV12, UYVY, AYUV }, "
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COMMON_VIDEO_CAPS "; "
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"video/x-wmv, " "wmvversion = (int) [ 1, 3 ], " COMMON_VIDEO_CAPS)
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);
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#define COMMON_AUDIO_CAPS \
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"channels = (int) [ 1, MAX ], " \
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"rate = (int) [ 1, MAX ]"
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/* FIXME:
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* * require codec data, etc as needed
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*/
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static GstStaticPadTemplate audiosink_templ =
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GST_STATIC_PAD_TEMPLATE ("audio_%u",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("audio/mpeg, "
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"mpegversion = (int) 1, "
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"layer = (int) [ 1, 3 ], "
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COMMON_AUDIO_CAPS "; "
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"audio/mpeg, "
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"mpegversion = (int) { 2, 4 }, "
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"stream-format = (string) raw, "
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COMMON_AUDIO_CAPS "; "
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"audio/x-ac3, "
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COMMON_AUDIO_CAPS "; "
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"audio/x-eac3, "
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COMMON_AUDIO_CAPS "; "
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"audio/x-dts, "
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COMMON_AUDIO_CAPS "; "
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"audio/x-vorbis, "
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COMMON_AUDIO_CAPS "; "
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"audio/x-flac, "
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COMMON_AUDIO_CAPS "; "
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"audio/x-speex, "
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COMMON_AUDIO_CAPS "; "
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"audio/x-raw, "
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"format = (string) { U8, S16BE, S16LE, S24BE, S24LE, S32BE, S32LE, F32LE, F64LE }, "
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"layout = (string) interleaved, "
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COMMON_AUDIO_CAPS ";"
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"audio/x-tta, "
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"width = (int) { 8, 16, 24 }, "
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"channels = (int) { 1, 2 }, " "rate = (int) [ 8000, 96000 ]; "
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"audio/x-pn-realaudio, "
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"raversion = (int) { 1, 2, 8 }, " COMMON_AUDIO_CAPS "; "
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"audio/x-wma, " "wmaversion = (int) [ 1, 3 ], "
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"block_align = (int) [ 0, 65535 ], bitrate = (int) [ 0, 524288 ], "
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COMMON_AUDIO_CAPS ";"
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"audio/x-alaw, "
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"channels = (int) {1, 2}, " "rate = (int) [ 8000, 192000 ]; "
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"audio/x-mulaw, "
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"channels = (int) {1, 2}, " "rate = (int) [ 8000, 192000 ]")
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);
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static GstStaticPadTemplate subtitlesink_templ =
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GST_STATIC_PAD_TEMPLATE ("subtitle_%d",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("subtitle/x-kate; "
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"text/plain; application/x-ssa; application/x-ass; "
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"application/x-usf; video/x-dvd-subpicture; "
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"application/x-subtitle-unknown")
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);
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static GArray *used_uids;
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G_LOCK_DEFINE_STATIC (used_uids);
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#define parent_class gst_matroska_mux_parent_class
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G_DEFINE_TYPE_WITH_CODE (GstMatroskaMux, gst_matroska_mux, GST_TYPE_ELEMENT,
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G_IMPLEMENT_INTERFACE (GST_TYPE_TAG_SETTER, NULL));
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/* Matroska muxer destructor */
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static void gst_matroska_mux_finalize (GObject * object);
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/* Pads collected callback */
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static GstFlowReturn gst_matroska_mux_handle_buffer (GstCollectPads2 * pads,
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GstCollectData2 * data, GstBuffer * buf, gpointer user_data);
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static gboolean gst_matroska_mux_handle_sink_event (GstCollectPads2 * pads,
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GstCollectData2 * data, GstEvent * event, gpointer user_data);
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/* pad functions */
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static gboolean gst_matroska_mux_handle_src_event (GstPad * pad,
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GstObject * parent, GstEvent * event);
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static GstPad *gst_matroska_mux_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
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static void gst_matroska_mux_release_pad (GstElement * element, GstPad * pad);
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/* gst internal change state handler */
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static GstStateChangeReturn
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gst_matroska_mux_change_state (GstElement * element, GstStateChange transition);
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/* gobject bla bla */
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static void gst_matroska_mux_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_matroska_mux_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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/* reset muxer */
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static void gst_matroska_mux_reset (GstElement * element);
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/* uid generation */
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static guint64 gst_matroska_mux_create_uid ();
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static gboolean theora_streamheader_to_codecdata (const GValue * streamheader,
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GstMatroskaTrackContext * context);
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static gboolean vorbis_streamheader_to_codecdata (const GValue * streamheader,
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GstMatroskaTrackContext * context);
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static gboolean speex_streamheader_to_codecdata (const GValue * streamheader,
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GstMatroskaTrackContext * context);
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static gboolean kate_streamheader_to_codecdata (const GValue * streamheader,
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GstMatroskaTrackContext * context);
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static gboolean flac_streamheader_to_codecdata (const GValue * streamheader,
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GstMatroskaTrackContext * context);
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static void
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gst_matroska_mux_write_simple_tag (const GstTagList * list, const gchar * tag,
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gpointer data);
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static void
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gst_matroska_mux_class_init (GstMatroskaMuxClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&videosink_templ));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&audiosink_templ));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&subtitlesink_templ));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_templ));
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gst_element_class_set_details_simple (gstelement_class, "Matroska muxer",
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"Codec/Muxer",
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"Muxes video/audio/subtitle streams into a matroska stream",
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"GStreamer maintainers <gstreamer-devel@lists.sourceforge.net>");
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GST_DEBUG_CATEGORY_INIT (matroskamux_debug, "matroskamux", 0,
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"Matroska muxer");
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gobject_class->finalize = gst_matroska_mux_finalize;
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gobject_class->get_property = gst_matroska_mux_get_property;
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gobject_class->set_property = gst_matroska_mux_set_property;
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g_object_class_install_property (gobject_class, ARG_WRITING_APP,
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g_param_spec_string ("writing-app", "Writing application.",
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"The name the application that creates the matroska file.",
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NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, ARG_DOCTYPE_VERSION,
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g_param_spec_int ("version", "DocType version",
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"This parameter determines what Matroska features can be used.",
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1, 2, DEFAULT_DOCTYPE_VERSION,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, ARG_MIN_INDEX_INTERVAL,
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g_param_spec_int64 ("min-index-interval", "Minimum time between index "
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"entries", "An index entry is created every so many nanoseconds.",
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0, G_MAXINT64, DEFAULT_MIN_INDEX_INTERVAL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, ARG_STREAMABLE,
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g_param_spec_boolean ("streamable", "Determines whether output should "
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"be streamable", "If set to true, the output should be as if it is "
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"to be streamed and hence no indexes written or duration written.",
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DEFAULT_STREAMABLE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_STATIC_STRINGS));
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_matroska_mux_change_state);
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gstelement_class->request_new_pad =
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GST_DEBUG_FUNCPTR (gst_matroska_mux_request_new_pad);
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gstelement_class->release_pad =
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GST_DEBUG_FUNCPTR (gst_matroska_mux_release_pad);
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}
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/**
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* Start of pad option handler code
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*/
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#define DEFAULT_PAD_FRAME_DURATION TRUE
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#define DEFAULT_PAD_FRAME_DURATION_VP8 FALSE
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enum
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{
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PROP_PAD_0,
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PROP_PAD_FRAME_DURATION
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};
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typedef struct
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{
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GstPad parent;
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gboolean frame_duration;
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gboolean frame_duration_user;
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} GstMatroskamuxPad;
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static void gst_matroskamux_pad_class_init (GstPadClass * klass);
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static GType
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gst_matroskamux_pad_get_type (void)
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{
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static GType type = 0;
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if (G_UNLIKELY (type == 0)) {
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type = g_type_register_static_simple (GST_TYPE_PAD,
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g_intern_static_string ("GstMatroskamuxPad"), sizeof (GstPadClass),
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(GClassInitFunc) gst_matroskamux_pad_class_init,
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sizeof (GstMatroskamuxPad), NULL, 0);
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}
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return type;
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}
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#define GST_TYPE_MATROSKAMUX_PAD (gst_matroskamux_pad_get_type())
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#define GST_MATROSKAMUX_PAD(pad) (G_TYPE_CHECK_INSTANCE_CAST((pad),GST_TYPE_MATROSKAMUX_PAD,GstMatroskamuxPad))
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#define GST_MATROSKAMUX_PAD_CAST(pad) ((GstMatroskamuxPad *) pad)
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#define GST_IS_MATROSKAMUX_PAD(pad) (G_TYPE_CHECK_INSTANCE_TYPE((pad),GST_TYPE_MATROSKAMUX_PAD))
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static void
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gst_matroskamux_pad_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstMatroskamuxPad *pad = GST_MATROSKAMUX_PAD (object);
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switch (prop_id) {
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case PROP_PAD_FRAME_DURATION:
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g_value_set_boolean (value, pad->frame_duration);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_matroskamux_pad_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstMatroskamuxPad *pad = GST_MATROSKAMUX_PAD (object);
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switch (prop_id) {
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case PROP_PAD_FRAME_DURATION:
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pad->frame_duration = g_value_get_boolean (value);
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pad->frame_duration_user = TRUE;
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_matroskamux_pad_class_init (GstPadClass * klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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gobject_class->set_property = gst_matroskamux_pad_set_property;
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gobject_class->get_property = gst_matroskamux_pad_get_property;
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g_object_class_install_property (gobject_class, PROP_PAD_FRAME_DURATION,
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g_param_spec_boolean ("frame-duration", "Frame duration",
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"Default frame duration", DEFAULT_PAD_FRAME_DURATION,
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G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_matroskamux_pad_init (GstMatroskamuxPad * pad)
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{
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pad->frame_duration = DEFAULT_PAD_FRAME_DURATION;
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pad->frame_duration_user = FALSE;
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}
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/*
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* End of pad option handler code
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**/
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/**
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* gst_matroska_mux_init:
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* @mux: #GstMatroskaMux that should be initialized.
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* @g_class: Class of the muxer.
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*
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* Matroska muxer constructor.
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*/
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static void
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gst_matroska_mux_init (GstMatroskaMux * mux)
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{
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GstPadTemplate *templ;
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templ =
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gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (mux), "src");
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mux->srcpad = gst_pad_new_from_template (templ, "src");
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gst_pad_set_event_function (mux->srcpad, gst_matroska_mux_handle_src_event);
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gst_element_add_pad (GST_ELEMENT (mux), mux->srcpad);
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mux->collect = gst_collect_pads2_new ();
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gst_collect_pads2_set_clip_function (mux->collect,
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GST_DEBUG_FUNCPTR (gst_collect_pads2_clip_running_time), mux);
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gst_collect_pads2_set_buffer_function (mux->collect,
|
|
GST_DEBUG_FUNCPTR (gst_matroska_mux_handle_buffer), mux);
|
|
gst_collect_pads2_set_event_function (mux->collect,
|
|
GST_DEBUG_FUNCPTR (gst_matroska_mux_handle_sink_event), mux);
|
|
|
|
mux->ebml_write = gst_ebml_write_new (mux->srcpad);
|
|
mux->doctype = GST_MATROSKA_DOCTYPE_MATROSKA;
|
|
|
|
/* property defaults */
|
|
mux->doctype_version = DEFAULT_DOCTYPE_VERSION;
|
|
mux->writing_app = g_strdup (DEFAULT_WRITING_APP);
|
|
mux->min_index_interval = DEFAULT_MIN_INDEX_INTERVAL;
|
|
mux->streamable = DEFAULT_STREAMABLE;
|
|
|
|
/* initialize internal variables */
|
|
mux->index = NULL;
|
|
mux->num_streams = 0;
|
|
mux->num_a_streams = 0;
|
|
mux->num_t_streams = 0;
|
|
mux->num_v_streams = 0;
|
|
|
|
/* initialize remaining variables */
|
|
gst_matroska_mux_reset (GST_ELEMENT (mux));
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_finalize:
|
|
* @object: #GstMatroskaMux that should be finalized.
|
|
*
|
|
* Finalize matroska muxer.
|
|
*/
|
|
static void
|
|
gst_matroska_mux_finalize (GObject * object)
|
|
{
|
|
GstMatroskaMux *mux = GST_MATROSKA_MUX (object);
|
|
|
|
gst_event_replace (&mux->force_key_unit_event, NULL);
|
|
|
|
gst_object_unref (mux->collect);
|
|
gst_object_unref (mux->ebml_write);
|
|
if (mux->writing_app)
|
|
g_free (mux->writing_app);
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_create_uid:
|
|
*
|
|
* Generate new unused track UID.
|
|
*
|
|
* Returns: New track UID.
|
|
*/
|
|
static guint64
|
|
gst_matroska_mux_create_uid (void)
|
|
{
|
|
guint64 uid = 0;
|
|
|
|
G_LOCK (used_uids);
|
|
|
|
if (!used_uids)
|
|
used_uids = g_array_sized_new (FALSE, FALSE, sizeof (guint64), 10);
|
|
|
|
while (!uid) {
|
|
guint i;
|
|
|
|
uid = (((guint64) g_random_int ()) << 32) | g_random_int ();
|
|
for (i = 0; i < used_uids->len; i++) {
|
|
if (g_array_index (used_uids, guint64, i) == uid) {
|
|
uid = 0;
|
|
break;
|
|
}
|
|
}
|
|
g_array_append_val (used_uids, uid);
|
|
}
|
|
|
|
G_UNLOCK (used_uids);
|
|
return uid;
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_pad_reset:
|
|
* @collect_pad: the #GstMatroskaPad
|
|
*
|
|
* Reset and/or release resources of a matroska collect pad.
|
|
*/
|
|
static void
|
|
gst_matroska_pad_reset (GstMatroskaPad * collect_pad, gboolean full)
|
|
{
|
|
gchar *name = NULL;
|
|
GstMatroskaTrackType type = 0;
|
|
|
|
/* free track information */
|
|
if (collect_pad->track != NULL) {
|
|
/* retrieve for optional later use */
|
|
name = collect_pad->track->name;
|
|
type = collect_pad->track->type;
|
|
/* extra for video */
|
|
if (type == GST_MATROSKA_TRACK_TYPE_VIDEO) {
|
|
GstMatroskaTrackVideoContext *ctx =
|
|
(GstMatroskaTrackVideoContext *) collect_pad->track;
|
|
|
|
if (ctx->dirac_unit) {
|
|
gst_buffer_unref (ctx->dirac_unit);
|
|
ctx->dirac_unit = NULL;
|
|
}
|
|
}
|
|
g_free (collect_pad->track->codec_id);
|
|
g_free (collect_pad->track->codec_name);
|
|
if (full)
|
|
g_free (collect_pad->track->name);
|
|
g_free (collect_pad->track->language);
|
|
g_free (collect_pad->track->codec_priv);
|
|
g_free (collect_pad->track);
|
|
collect_pad->track = NULL;
|
|
}
|
|
|
|
if (!full && type != 0) {
|
|
GstMatroskaTrackContext *context;
|
|
|
|
/* create a fresh context */
|
|
switch (type) {
|
|
case GST_MATROSKA_TRACK_TYPE_VIDEO:
|
|
context = (GstMatroskaTrackContext *)
|
|
g_new0 (GstMatroskaTrackVideoContext, 1);
|
|
break;
|
|
case GST_MATROSKA_TRACK_TYPE_AUDIO:
|
|
context = (GstMatroskaTrackContext *)
|
|
g_new0 (GstMatroskaTrackAudioContext, 1);
|
|
break;
|
|
case GST_MATROSKA_TRACK_TYPE_SUBTITLE:
|
|
context = (GstMatroskaTrackContext *)
|
|
g_new0 (GstMatroskaTrackSubtitleContext, 1);
|
|
break;
|
|
default:
|
|
g_assert_not_reached ();
|
|
return;
|
|
}
|
|
|
|
context->type = type;
|
|
context->name = name;
|
|
/* TODO: check default values for the context */
|
|
context->flags = GST_MATROSKA_TRACK_ENABLED | GST_MATROSKA_TRACK_DEFAULT;
|
|
collect_pad->track = context;
|
|
collect_pad->duration = 0;
|
|
collect_pad->start_ts = GST_CLOCK_TIME_NONE;
|
|
collect_pad->end_ts = GST_CLOCK_TIME_NONE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_pad_free:
|
|
* @collect_pad: the #GstMatroskaPad
|
|
*
|
|
* Release resources of a matroska collect pad.
|
|
*/
|
|
static void
|
|
gst_matroska_pad_free (GstPad * collect_pad)
|
|
{
|
|
gst_matroska_pad_reset ((GstMatroskaPad *) collect_pad, TRUE);
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_reset:
|
|
* @element: #GstMatroskaMux that should be reseted.
|
|
*
|
|
* Reset matroska muxer back to initial state.
|
|
*/
|
|
static void
|
|
gst_matroska_mux_reset (GstElement * element)
|
|
{
|
|
GstMatroskaMux *mux = GST_MATROSKA_MUX (element);
|
|
GSList *walk;
|
|
|
|
/* reset EBML write */
|
|
gst_ebml_write_reset (mux->ebml_write);
|
|
|
|
/* reset input */
|
|
mux->state = GST_MATROSKA_MUX_STATE_START;
|
|
|
|
/* clean up existing streams */
|
|
|
|
for (walk = mux->collect->data; walk; walk = g_slist_next (walk)) {
|
|
GstMatroskaPad *collect_pad;
|
|
|
|
collect_pad = (GstMatroskaPad *) walk->data;
|
|
|
|
/* reset collect pad to pristine state */
|
|
gst_matroska_pad_reset (collect_pad, FALSE);
|
|
}
|
|
|
|
/* reset indexes */
|
|
mux->num_indexes = 0;
|
|
g_free (mux->index);
|
|
mux->index = NULL;
|
|
|
|
/* reset timers */
|
|
mux->time_scale = GST_MSECOND;
|
|
mux->max_cluster_duration = G_MAXINT16 * mux->time_scale;
|
|
mux->duration = 0;
|
|
|
|
/* reset cluster */
|
|
mux->cluster = 0;
|
|
mux->cluster_time = 0;
|
|
mux->cluster_pos = 0;
|
|
mux->prev_cluster_size = 0;
|
|
|
|
/* reset tags */
|
|
gst_tag_setter_reset_tags (GST_TAG_SETTER (mux));
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_mux_handle_src_event:
|
|
* @pad: Pad which received the event.
|
|
* @event: Received event.
|
|
*
|
|
* handle events - copied from oggmux without understanding
|
|
*
|
|
* Returns: #TRUE on success.
|
|
*/
|
|
static gboolean
|
|
gst_matroska_mux_handle_src_event (GstPad * pad, GstObject * parent,
|
|
GstEvent * event)
|
|
{
|
|
GstEventType type;
|
|
|
|
type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
|
|
|
|
switch (type) {
|
|
case GST_EVENT_SEEK:
|
|
/* disable seeking for now */
|
|
return FALSE;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return gst_pad_event_default (pad, parent, event);
|
|
}
|
|
|
|
|
|
static void
|
|
gst_matroska_mux_free_codec_priv (GstMatroskaTrackContext * context)
|
|
{
|
|
if (context->codec_priv != NULL) {
|
|
g_free (context->codec_priv);
|
|
context->codec_priv = NULL;
|
|
context->codec_priv_size = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_matroska_mux_build_vobsub_private (GstMatroskaTrackContext * context,
|
|
const guint * clut)
|
|
{
|
|
gchar *clutv[17];
|
|
gchar *sclut;
|
|
gint i;
|
|
guint32 col;
|
|
gdouble y, u, v;
|
|
guint8 r, g, b;
|
|
|
|
/* produce comma-separated list in hex format */
|
|
for (i = 0; i < 16; ++i) {
|
|
col = clut[i];
|
|
/* replicate vobsub's slightly off RGB conversion calculation */
|
|
y = (((col >> 16) & 0xff) - 16) * 255 / 219;
|
|
u = ((col >> 8) & 0xff) - 128;
|
|
v = (col & 0xff) - 128;
|
|
r = CLAMP (1.0 * y + 1.4022 * u, 0, 255);
|
|
g = CLAMP (1.0 * y - 0.3456 * u - 0.7145 * v, 0, 255);
|
|
b = CLAMP (1.0 * y + 1.7710 * v, 0, 255);
|
|
clutv[i] = g_strdup_printf ("%02x%02x%02x", r, g, b);
|
|
}
|
|
clutv[i] = NULL;
|
|
sclut = g_strjoinv (",", clutv);
|
|
|
|
/* build codec private; only palette for now */
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv = (guint8 *) g_strdup_printf ("palette: %s", sclut);
|
|
/* include terminating 0 */
|
|
context->codec_priv_size = strlen ((gchar *) context->codec_priv) + 1;
|
|
g_free (sclut);
|
|
for (i = 0; i < 16; ++i) {
|
|
g_free (clutv[i]);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_handle_sink_event:
|
|
* @pad: Pad which received the event.
|
|
* @event: Received event.
|
|
*
|
|
* handle events - informational ones like tags
|
|
*
|
|
* Returns: #TRUE on success.
|
|
*/
|
|
static gboolean
|
|
gst_matroska_mux_handle_sink_event (GstCollectPads2 * pads,
|
|
GstCollectData2 * data, GstEvent * event, gpointer user_data)
|
|
{
|
|
GstMatroskaPad *collect_pad;
|
|
GstMatroskaTrackContext *context;
|
|
GstMatroskaMux *mux;
|
|
GstPad *pad;
|
|
GstTagList *list;
|
|
gboolean ret = FALSE;
|
|
|
|
mux = GST_MATROSKA_MUX (user_data);
|
|
collect_pad = (GstMatroskaPad *) data;
|
|
pad = data->pad;
|
|
context = collect_pad->track;
|
|
g_assert (context);
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_CAPS:{
|
|
GstCaps *caps;
|
|
|
|
collect_pad = (GstMatroskaPad *) gst_pad_get_element_private (pad);
|
|
gst_event_parse_caps (event, &caps);
|
|
|
|
ret = collect_pad->capsfunc (pad, caps);
|
|
gst_event_unref (event);
|
|
event = NULL;
|
|
break;
|
|
}
|
|
case GST_EVENT_TAG:{
|
|
gchar *lang = NULL;
|
|
|
|
GST_DEBUG_OBJECT (mux, "received tag event");
|
|
gst_event_parse_tag (event, &list);
|
|
|
|
/* Matroska wants ISO 639-2B code, taglist most likely contains 639-1 */
|
|
if (gst_tag_list_get_string (list, GST_TAG_LANGUAGE_CODE, &lang)) {
|
|
const gchar *lang_code;
|
|
|
|
lang_code = gst_tag_get_language_code_iso_639_2B (lang);
|
|
if (lang_code) {
|
|
GST_INFO_OBJECT (pad, "Setting language to '%s'", lang_code);
|
|
context->language = g_strdup (lang_code);
|
|
} else {
|
|
GST_WARNING_OBJECT (pad, "Did not get language code for '%s'", lang);
|
|
}
|
|
g_free (lang);
|
|
}
|
|
|
|
/* FIXME: what about stream-specific tags? */
|
|
gst_tag_setter_merge_tags (GST_TAG_SETTER (mux), list,
|
|
gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (mux)));
|
|
|
|
gst_event_unref (event);
|
|
/* handled this, don't want collectpads to forward it downstream */
|
|
event = NULL;
|
|
ret = TRUE;
|
|
break;
|
|
}
|
|
case GST_EVENT_SEGMENT:{
|
|
const GstSegment *segment;
|
|
|
|
gst_event_parse_segment (event, &segment);
|
|
if (segment->format != GST_FORMAT_TIME) {
|
|
ret = FALSE;
|
|
}
|
|
gst_event_unref (event);
|
|
event = NULL;
|
|
ret = TRUE;
|
|
break;
|
|
}
|
|
case GST_EVENT_CUSTOM_DOWNSTREAM:{
|
|
const GstStructure *structure;
|
|
|
|
structure = gst_event_get_structure (event);
|
|
if (gst_structure_has_name (structure, "GstForceKeyUnit")) {
|
|
gst_event_replace (&mux->force_key_unit_event, NULL);
|
|
mux->force_key_unit_event = event;
|
|
event = NULL;
|
|
} else if (gst_structure_has_name (structure, "application/x-gst-dvd") &&
|
|
!strcmp ("dvd-spu-clut-change",
|
|
gst_structure_get_string (structure, "event"))) {
|
|
gchar name[16];
|
|
gint i, value;
|
|
guint clut[16];
|
|
|
|
GST_DEBUG_OBJECT (pad, "New DVD colour table received");
|
|
if (context->type != GST_MATROSKA_TRACK_TYPE_SUBTITLE) {
|
|
GST_DEBUG_OBJECT (pad, "... discarding");
|
|
break;
|
|
}
|
|
/* first transform event data into table form */
|
|
for (i = 0; i < 16; i++) {
|
|
g_snprintf (name, sizeof (name), "clut%02d", i);
|
|
if (!gst_structure_get_int (structure, name, &value)) {
|
|
GST_ERROR_OBJECT (mux, "dvd-spu-clut-change event did not "
|
|
"contain %s field", name);
|
|
break;
|
|
}
|
|
clut[i] = value;
|
|
}
|
|
|
|
/* transform into private data for stream; text form */
|
|
gst_matroska_mux_build_vobsub_private (context, clut);
|
|
}
|
|
}
|
|
/* fall through */
|
|
default:
|
|
ret = gst_pad_event_default (data->pad, GST_OBJECT (mux), event);
|
|
break;
|
|
case GST_EVENT_EOS:
|
|
gst_event_unref (event);
|
|
ret = TRUE;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_matroska_mux_set_codec_id (GstMatroskaTrackContext * context,
|
|
const char *id)
|
|
{
|
|
g_assert (context && id);
|
|
if (context->codec_id)
|
|
g_free (context->codec_id);
|
|
context->codec_id = g_strdup (id);
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_mux_video_pad_setcaps:
|
|
* @pad: Pad which got the caps.
|
|
* @caps: New caps.
|
|
*
|
|
* Setcaps function for video sink pad.
|
|
*
|
|
* Returns: #TRUE on success.
|
|
*/
|
|
static gboolean
|
|
gst_matroska_mux_video_pad_setcaps (GstPad * pad, GstCaps * caps)
|
|
{
|
|
GstMatroskaTrackContext *context = NULL;
|
|
GstMatroskaTrackVideoContext *videocontext;
|
|
GstMatroskaMux *mux;
|
|
GstMatroskaPad *collect_pad;
|
|
GstStructure *structure;
|
|
const gchar *mimetype;
|
|
const GValue *value = NULL;
|
|
GstBuffer *codec_buf = NULL;
|
|
gint width, height, pixel_width, pixel_height;
|
|
gint fps_d, fps_n;
|
|
gboolean interlaced = FALSE;
|
|
|
|
mux = GST_MATROSKA_MUX (GST_PAD_PARENT (pad));
|
|
|
|
/* find context */
|
|
collect_pad = (GstMatroskaPad *) gst_pad_get_element_private (pad);
|
|
g_assert (collect_pad);
|
|
context = collect_pad->track;
|
|
g_assert (context);
|
|
g_assert (context->type == GST_MATROSKA_TRACK_TYPE_VIDEO);
|
|
videocontext = (GstMatroskaTrackVideoContext *) context;
|
|
|
|
/* gst -> matroska ID'ing */
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
|
|
mimetype = gst_structure_get_name (structure);
|
|
|
|
if (gst_structure_get_boolean (structure, "interlaced", &interlaced)
|
|
&& interlaced)
|
|
context->flags |= GST_MATROSKA_VIDEOTRACK_INTERLACED;
|
|
|
|
if (!strcmp (mimetype, "video/x-theora")) {
|
|
/* we'll extract the details later from the theora identification header */
|
|
goto skip_details;
|
|
}
|
|
|
|
/* get general properties */
|
|
/* spec says it is mandatory */
|
|
if (!gst_structure_get_int (structure, "width", &width) ||
|
|
!gst_structure_get_int (structure, "height", &height))
|
|
goto refuse_caps;
|
|
|
|
videocontext->pixel_width = width;
|
|
videocontext->pixel_height = height;
|
|
|
|
/* set vp8 defaults or let user override it */
|
|
if (GST_MATROSKAMUX_PAD_CAST (pad)->frame_duration_user == FALSE
|
|
&& (!strcmp (mimetype, "video/x-vp8")))
|
|
GST_MATROSKAMUX_PAD_CAST (pad)->frame_duration =
|
|
DEFAULT_PAD_FRAME_DURATION_VP8;
|
|
|
|
if (GST_MATROSKAMUX_PAD_CAST (pad)->frame_duration
|
|
&& gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)
|
|
&& fps_n > 0) {
|
|
context->default_duration =
|
|
gst_util_uint64_scale_int (GST_SECOND, fps_d, fps_n);
|
|
GST_LOG_OBJECT (pad, "default duration = %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (context->default_duration));
|
|
} else {
|
|
context->default_duration = 0;
|
|
}
|
|
if (gst_structure_get_fraction (structure, "pixel-aspect-ratio",
|
|
&pixel_width, &pixel_height)) {
|
|
if (pixel_width > pixel_height) {
|
|
videocontext->display_width = width * pixel_width / pixel_height;
|
|
videocontext->display_height = height;
|
|
} else if (pixel_width < pixel_height) {
|
|
videocontext->display_width = width;
|
|
videocontext->display_height = height * pixel_height / pixel_width;
|
|
} else {
|
|
videocontext->display_width = 0;
|
|
videocontext->display_height = 0;
|
|
}
|
|
} else {
|
|
videocontext->display_width = 0;
|
|
videocontext->display_height = 0;
|
|
}
|
|
|
|
skip_details:
|
|
|
|
videocontext->asr_mode = GST_MATROSKA_ASPECT_RATIO_MODE_FREE;
|
|
videocontext->fourcc = 0;
|
|
|
|
/* TODO: - check if we handle all codecs by the spec, i.e. codec private
|
|
* data and other settings
|
|
* - add new formats
|
|
*/
|
|
|
|
/* extract codec_data, may turn out needed */
|
|
value = gst_structure_get_value (structure, "codec_data");
|
|
if (value)
|
|
codec_buf = (GstBuffer *) gst_value_get_buffer (value);
|
|
|
|
/* find type */
|
|
if (!strcmp (mimetype, "video/x-raw")) {
|
|
const gchar *fstr;
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_UNCOMPRESSED);
|
|
fstr = gst_structure_get_string (structure, "format");
|
|
if (fstr && strlen (fstr) == 4)
|
|
videocontext->fourcc = GST_STR_FOURCC (fstr);
|
|
} else if (!strcmp (mimetype, "image/jpeg")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_VIDEO_MJPEG);
|
|
} else if (!strcmp (mimetype, "video/x-xvid") /* MS/VfW compatibility cases */
|
|
||!strcmp (mimetype, "video/x-huffyuv")
|
|
|| !strcmp (mimetype, "video/x-divx")
|
|
|| !strcmp (mimetype, "video/x-dv")
|
|
|| !strcmp (mimetype, "video/x-h263")
|
|
|| !strcmp (mimetype, "video/x-msmpeg")
|
|
|| !strcmp (mimetype, "video/x-wmv")
|
|
|| !strcmp (mimetype, "image/jpeg")) {
|
|
gst_riff_strf_vids *bih;
|
|
gint size = sizeof (gst_riff_strf_vids);
|
|
guint32 fourcc = 0;
|
|
|
|
if (!strcmp (mimetype, "video/x-xvid"))
|
|
fourcc = GST_MAKE_FOURCC ('X', 'V', 'I', 'D');
|
|
else if (!strcmp (mimetype, "video/x-huffyuv"))
|
|
fourcc = GST_MAKE_FOURCC ('H', 'F', 'Y', 'U');
|
|
else if (!strcmp (mimetype, "video/x-dv"))
|
|
fourcc = GST_MAKE_FOURCC ('D', 'V', 'S', 'D');
|
|
else if (!strcmp (mimetype, "video/x-h263"))
|
|
fourcc = GST_MAKE_FOURCC ('H', '2', '6', '3');
|
|
else if (!strcmp (mimetype, "video/x-divx")) {
|
|
gint divxversion;
|
|
|
|
gst_structure_get_int (structure, "divxversion", &divxversion);
|
|
switch (divxversion) {
|
|
case 3:
|
|
fourcc = GST_MAKE_FOURCC ('D', 'I', 'V', '3');
|
|
break;
|
|
case 4:
|
|
fourcc = GST_MAKE_FOURCC ('D', 'I', 'V', 'X');
|
|
break;
|
|
case 5:
|
|
fourcc = GST_MAKE_FOURCC ('D', 'X', '5', '0');
|
|
break;
|
|
}
|
|
} else if (!strcmp (mimetype, "video/x-msmpeg")) {
|
|
gint msmpegversion;
|
|
|
|
gst_structure_get_int (structure, "msmpegversion", &msmpegversion);
|
|
switch (msmpegversion) {
|
|
case 41:
|
|
fourcc = GST_MAKE_FOURCC ('M', 'P', 'G', '4');
|
|
break;
|
|
case 42:
|
|
fourcc = GST_MAKE_FOURCC ('M', 'P', '4', '2');
|
|
break;
|
|
case 43:
|
|
goto msmpeg43;
|
|
break;
|
|
}
|
|
} else if (!strcmp (mimetype, "video/x-wmv")) {
|
|
gint wmvversion;
|
|
const gchar *fstr;
|
|
|
|
fstr = gst_structure_get_string (structure, "format");
|
|
if (fstr && strlen (fstr) == 4) {
|
|
fourcc = GST_STR_FOURCC (fstr);
|
|
} else if (gst_structure_get_int (structure, "wmvversion", &wmvversion)) {
|
|
if (wmvversion == 2) {
|
|
fourcc = GST_MAKE_FOURCC ('W', 'M', 'V', '2');
|
|
} else if (wmvversion == 1) {
|
|
fourcc = GST_MAKE_FOURCC ('W', 'M', 'V', '1');
|
|
} else if (wmvversion == 3) {
|
|
fourcc = GST_MAKE_FOURCC ('W', 'M', 'V', '3');
|
|
}
|
|
}
|
|
} else if (!strcmp (mimetype, "image/jpeg")) {
|
|
fourcc = GST_MAKE_FOURCC ('M', 'J', 'P', 'G');
|
|
}
|
|
|
|
if (!fourcc)
|
|
goto refuse_caps;
|
|
|
|
bih = g_new0 (gst_riff_strf_vids, 1);
|
|
GST_WRITE_UINT32_LE (&bih->size, size);
|
|
GST_WRITE_UINT32_LE (&bih->width, videocontext->pixel_width);
|
|
GST_WRITE_UINT32_LE (&bih->height, videocontext->pixel_height);
|
|
GST_WRITE_UINT32_LE (&bih->compression, fourcc);
|
|
GST_WRITE_UINT16_LE (&bih->planes, (guint16) 1);
|
|
GST_WRITE_UINT16_LE (&bih->bit_cnt, (guint16) 24);
|
|
GST_WRITE_UINT32_LE (&bih->image_size, videocontext->pixel_width *
|
|
videocontext->pixel_height * 3);
|
|
|
|
/* process codec private/initialization data, if any */
|
|
if (codec_buf) {
|
|
size += gst_buffer_get_size (codec_buf);
|
|
bih = g_realloc (bih, size);
|
|
GST_WRITE_UINT32_LE (&bih->size, size);
|
|
gst_buffer_extract (codec_buf, 0,
|
|
(guint8 *) bih + sizeof (gst_riff_strf_vids), -1);
|
|
}
|
|
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_VFW_FOURCC);
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv = (gpointer) bih;
|
|
context->codec_priv_size = size;
|
|
} else if (!strcmp (mimetype, "video/x-h264")) {
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_MPEG4_AVC);
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
/* Create avcC header */
|
|
if (codec_buf != NULL) {
|
|
context->codec_priv_size = gst_buffer_get_size (codec_buf);
|
|
context->codec_priv = g_malloc0 (context->codec_priv_size);
|
|
gst_buffer_extract (codec_buf, 0, context->codec_priv, -1);
|
|
}
|
|
} else if (!strcmp (mimetype, "video/x-theora")) {
|
|
const GValue *streamheader;
|
|
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_VIDEO_THEORA);
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
|
|
streamheader = gst_structure_get_value (structure, "streamheader");
|
|
if (!theora_streamheader_to_codecdata (streamheader, context)) {
|
|
GST_ELEMENT_ERROR (mux, STREAM, MUX, (NULL),
|
|
("theora stream headers missing or malformed"));
|
|
goto refuse_caps;
|
|
}
|
|
} else if (!strcmp (mimetype, "video/x-dirac")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_VIDEO_DIRAC);
|
|
} else if (!strcmp (mimetype, "video/x-vp8")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_VIDEO_VP8);
|
|
} else if (!strcmp (mimetype, "video/mpeg")) {
|
|
gint mpegversion;
|
|
|
|
gst_structure_get_int (structure, "mpegversion", &mpegversion);
|
|
switch (mpegversion) {
|
|
case 1:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_MPEG1);
|
|
break;
|
|
case 2:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_MPEG2);
|
|
break;
|
|
case 4:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_MPEG4_ASP);
|
|
break;
|
|
default:
|
|
goto refuse_caps;
|
|
}
|
|
|
|
/* global headers may be in codec data */
|
|
if (codec_buf != NULL) {
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv_size = gst_buffer_get_size (codec_buf);
|
|
context->codec_priv = g_malloc0 (context->codec_priv_size);
|
|
gst_buffer_extract (codec_buf, 0, context->codec_priv, -1);
|
|
}
|
|
} else if (!strcmp (mimetype, "video/x-msmpeg")) {
|
|
msmpeg43:
|
|
/* can only make it here if preceding case verified it was version 3 */
|
|
context->codec_id = g_strdup (GST_MATROSKA_CODEC_ID_VIDEO_MSMPEG4V3);
|
|
} else if (!strcmp (mimetype, "video/x-pn-realvideo")) {
|
|
gint rmversion;
|
|
const GValue *mdpr_data;
|
|
|
|
gst_structure_get_int (structure, "rmversion", &rmversion);
|
|
switch (rmversion) {
|
|
case 1:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_REALVIDEO1);
|
|
break;
|
|
case 2:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_REALVIDEO2);
|
|
break;
|
|
case 3:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_REALVIDEO3);
|
|
break;
|
|
case 4:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_REALVIDEO4);
|
|
break;
|
|
default:
|
|
goto refuse_caps;
|
|
}
|
|
|
|
mdpr_data = gst_structure_get_value (structure, "mdpr_data");
|
|
if (mdpr_data != NULL) {
|
|
guint8 *priv_data = NULL;
|
|
guint priv_data_size = 0;
|
|
|
|
GstBuffer *codec_data_buf = g_value_peek_pointer (mdpr_data);
|
|
|
|
priv_data_size = gst_buffer_get_size (codec_data_buf);
|
|
priv_data = g_malloc0 (priv_data_size);
|
|
|
|
gst_buffer_extract (codec_data_buf, 0, priv_data, -1);
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv = priv_data;
|
|
context->codec_priv_size = priv_data_size;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
refuse_caps:
|
|
{
|
|
GST_WARNING_OBJECT (mux, "pad %s refused caps %" GST_PTR_FORMAT,
|
|
GST_PAD_NAME (pad), caps);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* N > 0 to expect a particular number of headers, negative if the
|
|
number of headers is variable */
|
|
static gboolean
|
|
xiphN_streamheader_to_codecdata (const GValue * streamheader,
|
|
GstMatroskaTrackContext * context, GstBuffer ** p_buf0, int N)
|
|
{
|
|
GstBuffer **buf = NULL;
|
|
GArray *bufarr;
|
|
guint8 *priv_data;
|
|
guint bufi, i, offset, priv_data_size;
|
|
|
|
if (streamheader == NULL)
|
|
goto no_stream_headers;
|
|
|
|
if (G_VALUE_TYPE (streamheader) != GST_TYPE_ARRAY)
|
|
goto wrong_type;
|
|
|
|
bufarr = g_value_peek_pointer (streamheader);
|
|
if (bufarr->len <= 0 || bufarr->len > 255) /* at least one header, and count stored in a byte */
|
|
goto wrong_count;
|
|
if (N > 0 && bufarr->len != N)
|
|
goto wrong_count;
|
|
|
|
context->xiph_headers_to_skip = bufarr->len;
|
|
|
|
buf = (GstBuffer **) g_malloc0 (sizeof (GstBuffer *) * bufarr->len);
|
|
for (i = 0; i < bufarr->len; i++) {
|
|
GValue *bufval = &g_array_index (bufarr, GValue, i);
|
|
|
|
if (G_VALUE_TYPE (bufval) != GST_TYPE_BUFFER) {
|
|
g_free (buf);
|
|
goto wrong_content_type;
|
|
}
|
|
|
|
buf[i] = g_value_peek_pointer (bufval);
|
|
}
|
|
|
|
priv_data_size = 1;
|
|
if (bufarr->len > 0) {
|
|
for (i = 0; i < bufarr->len - 1; i++) {
|
|
priv_data_size += gst_buffer_get_size (buf[i]) / 0xff + 1;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < bufarr->len; ++i) {
|
|
priv_data_size += gst_buffer_get_size (buf[i]);
|
|
}
|
|
|
|
priv_data = g_malloc0 (priv_data_size);
|
|
|
|
priv_data[0] = bufarr->len - 1;
|
|
offset = 1;
|
|
|
|
if (bufarr->len > 0) {
|
|
for (bufi = 0; bufi < bufarr->len - 1; bufi++) {
|
|
for (i = 0; i < gst_buffer_get_size (buf[bufi]) / 0xff; ++i) {
|
|
priv_data[offset++] = 0xff;
|
|
}
|
|
priv_data[offset++] = gst_buffer_get_size (buf[bufi]) % 0xff;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < bufarr->len; ++i) {
|
|
gst_buffer_extract (buf[i], 0, priv_data + offset, -1);
|
|
offset += gst_buffer_get_size (buf[i]);
|
|
}
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv = priv_data;
|
|
context->codec_priv_size = priv_data_size;
|
|
|
|
if (p_buf0)
|
|
*p_buf0 = gst_buffer_ref (buf[0]);
|
|
|
|
g_free (buf);
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
no_stream_headers:
|
|
{
|
|
GST_WARNING ("required streamheaders missing in sink caps!");
|
|
return FALSE;
|
|
}
|
|
wrong_type:
|
|
{
|
|
GST_WARNING ("streamheaders are not a GST_TYPE_ARRAY, but a %s",
|
|
G_VALUE_TYPE_NAME (streamheader));
|
|
return FALSE;
|
|
}
|
|
wrong_count:
|
|
{
|
|
GST_WARNING ("got %u streamheaders, not %d as expected", bufarr->len, N);
|
|
return FALSE;
|
|
}
|
|
wrong_content_type:
|
|
{
|
|
GST_WARNING ("streamheaders array does not contain GstBuffers");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
vorbis_streamheader_to_codecdata (const GValue * streamheader,
|
|
GstMatroskaTrackContext * context)
|
|
{
|
|
GstBuffer *buf0 = NULL;
|
|
|
|
if (!xiphN_streamheader_to_codecdata (streamheader, context, &buf0, 3))
|
|
return FALSE;
|
|
|
|
if (buf0 == NULL || gst_buffer_get_size (buf0) < 1 + 6 + 4) {
|
|
GST_WARNING ("First vorbis header too small, ignoring");
|
|
} else {
|
|
if (gst_buffer_memcmp (buf0, 1, "vorbis", 6) == 0) {
|
|
GstMatroskaTrackAudioContext *audiocontext;
|
|
GstMapInfo map;
|
|
guint8 *hdr;
|
|
|
|
gst_buffer_map (buf0, &map, GST_MAP_READ);
|
|
hdr = map.data + 1 + 6 + 4;
|
|
audiocontext = (GstMatroskaTrackAudioContext *) context;
|
|
audiocontext->channels = GST_READ_UINT8 (hdr);
|
|
audiocontext->samplerate = GST_READ_UINT32_LE (hdr + 1);
|
|
gst_buffer_unmap (buf0, &map);
|
|
}
|
|
}
|
|
|
|
if (buf0)
|
|
gst_buffer_unref (buf0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
theora_streamheader_to_codecdata (const GValue * streamheader,
|
|
GstMatroskaTrackContext * context)
|
|
{
|
|
GstBuffer *buf0 = NULL;
|
|
|
|
if (!xiphN_streamheader_to_codecdata (streamheader, context, &buf0, 3))
|
|
return FALSE;
|
|
|
|
if (buf0 == NULL || gst_buffer_get_size (buf0) < 1 + 6 + 26) {
|
|
GST_WARNING ("First theora header too small, ignoring");
|
|
} else if (gst_buffer_memcmp (buf0, 0, "\200theora\003\002", 9) != 0) {
|
|
GST_WARNING ("First header not a theora identification header, ignoring");
|
|
} else {
|
|
GstMatroskaTrackVideoContext *videocontext;
|
|
guint fps_num, fps_denom, par_num, par_denom;
|
|
GstMapInfo map;
|
|
guint8 *hdr;
|
|
|
|
gst_buffer_map (buf0, &map, GST_MAP_READ);
|
|
hdr = map.data + 1 + 6 + 3 + 2 + 2;
|
|
|
|
videocontext = (GstMatroskaTrackVideoContext *) context;
|
|
videocontext->pixel_width = GST_READ_UINT32_BE (hdr) >> 8;
|
|
videocontext->pixel_height = GST_READ_UINT32_BE (hdr + 3) >> 8;
|
|
hdr += 3 + 3 + 1 + 1;
|
|
fps_num = GST_READ_UINT32_BE (hdr);
|
|
fps_denom = GST_READ_UINT32_BE (hdr + 4);
|
|
context->default_duration = gst_util_uint64_scale_int (GST_SECOND,
|
|
fps_denom, fps_num);
|
|
hdr += 4 + 4;
|
|
par_num = GST_READ_UINT32_BE (hdr) >> 8;
|
|
par_denom = GST_READ_UINT32_BE (hdr + 3) >> 8;
|
|
if (par_num > 0 && par_num > 0) {
|
|
if (par_num > par_denom) {
|
|
videocontext->display_width =
|
|
videocontext->pixel_width * par_num / par_denom;
|
|
videocontext->display_height = videocontext->pixel_height;
|
|
} else if (par_num < par_denom) {
|
|
videocontext->display_width = videocontext->pixel_width;
|
|
videocontext->display_height =
|
|
videocontext->pixel_height * par_denom / par_num;
|
|
} else {
|
|
videocontext->display_width = 0;
|
|
videocontext->display_height = 0;
|
|
}
|
|
} else {
|
|
videocontext->display_width = 0;
|
|
videocontext->display_height = 0;
|
|
}
|
|
hdr += 3 + 3;
|
|
|
|
gst_buffer_unmap (buf0, &map);
|
|
}
|
|
|
|
if (buf0)
|
|
gst_buffer_unref (buf0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
kate_streamheader_to_codecdata (const GValue * streamheader,
|
|
GstMatroskaTrackContext * context)
|
|
{
|
|
GstBuffer *buf0 = NULL;
|
|
|
|
if (!xiphN_streamheader_to_codecdata (streamheader, context, &buf0, -1))
|
|
return FALSE;
|
|
|
|
if (buf0 == NULL || gst_buffer_get_size (buf0) < 64) { /* Kate ID header is 64 bytes */
|
|
GST_WARNING ("First kate header too small, ignoring");
|
|
} else if (gst_buffer_memcmp (buf0, 0, "\200kate\0\0\0", 8) != 0) {
|
|
GST_WARNING ("First header not a kate identification header, ignoring");
|
|
}
|
|
|
|
if (buf0)
|
|
gst_buffer_unref (buf0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
flac_streamheader_to_codecdata (const GValue * streamheader,
|
|
GstMatroskaTrackContext * context)
|
|
{
|
|
GArray *bufarr;
|
|
gint i;
|
|
GValue *bufval;
|
|
GstBuffer *buffer;
|
|
|
|
if (streamheader == NULL || G_VALUE_TYPE (streamheader) != GST_TYPE_ARRAY) {
|
|
GST_WARNING ("No or invalid streamheader field in the caps");
|
|
return FALSE;
|
|
}
|
|
|
|
bufarr = g_value_peek_pointer (streamheader);
|
|
if (bufarr->len < 2) {
|
|
GST_WARNING ("Too few headers in streamheader field");
|
|
return FALSE;
|
|
}
|
|
|
|
context->xiph_headers_to_skip = bufarr->len + 1;
|
|
|
|
bufval = &g_array_index (bufarr, GValue, 0);
|
|
if (G_VALUE_TYPE (bufval) != GST_TYPE_BUFFER) {
|
|
GST_WARNING ("streamheaders array does not contain GstBuffers");
|
|
return FALSE;
|
|
}
|
|
|
|
buffer = g_value_peek_pointer (bufval);
|
|
|
|
/* Need at least OggFLAC mapping header, fLaC marker and STREAMINFO block */
|
|
if (gst_buffer_get_size (buffer) < 9 + 4 + 4 + 34
|
|
|| gst_buffer_memcmp (buffer, 1, "FLAC", 4) != 0
|
|
|| gst_buffer_memcmp (buffer, 9, "fLaC", 4) != 0) {
|
|
GST_WARNING ("Invalid streamheader for FLAC");
|
|
return FALSE;
|
|
}
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv_size = gst_buffer_get_size (buffer) - 9;
|
|
context->codec_priv = g_malloc (context->codec_priv_size);
|
|
gst_buffer_extract (buffer, 9, context->codec_priv, -1);
|
|
|
|
for (i = 1; i < bufarr->len; i++) {
|
|
guint old_size;
|
|
bufval = &g_array_index (bufarr, GValue, i);
|
|
|
|
if (G_VALUE_TYPE (bufval) != GST_TYPE_BUFFER) {
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
GST_WARNING ("streamheaders array does not contain GstBuffers");
|
|
return FALSE;
|
|
}
|
|
|
|
buffer = g_value_peek_pointer (bufval);
|
|
|
|
old_size = context->codec_priv_size;
|
|
context->codec_priv_size += gst_buffer_get_size (buffer);
|
|
|
|
context->codec_priv = g_realloc (context->codec_priv,
|
|
context->codec_priv_size);
|
|
gst_buffer_extract (buffer, 0,
|
|
(guint8 *) context->codec_priv + old_size, -1);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
speex_streamheader_to_codecdata (const GValue * streamheader,
|
|
GstMatroskaTrackContext * context)
|
|
{
|
|
GArray *bufarr;
|
|
GValue *bufval;
|
|
GstBuffer *buffer;
|
|
guint old_size;
|
|
|
|
if (streamheader == NULL || G_VALUE_TYPE (streamheader) != GST_TYPE_ARRAY) {
|
|
GST_WARNING ("No or invalid streamheader field in the caps");
|
|
return FALSE;
|
|
}
|
|
|
|
bufarr = g_value_peek_pointer (streamheader);
|
|
if (bufarr->len != 2) {
|
|
GST_WARNING ("Too few headers in streamheader field");
|
|
return FALSE;
|
|
}
|
|
|
|
context->xiph_headers_to_skip = bufarr->len + 1;
|
|
|
|
bufval = &g_array_index (bufarr, GValue, 0);
|
|
if (G_VALUE_TYPE (bufval) != GST_TYPE_BUFFER) {
|
|
GST_WARNING ("streamheaders array does not contain GstBuffers");
|
|
return FALSE;
|
|
}
|
|
|
|
buffer = g_value_peek_pointer (bufval);
|
|
|
|
if (gst_buffer_get_size (buffer) < 80
|
|
|| gst_buffer_memcmp (buffer, 0, "Speex ", 8) != 0) {
|
|
GST_WARNING ("Invalid streamheader for Speex");
|
|
return FALSE;
|
|
}
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv_size = gst_buffer_get_size (buffer);
|
|
context->codec_priv = g_malloc (context->codec_priv_size);
|
|
gst_buffer_extract (buffer, 0, context->codec_priv, -1);
|
|
|
|
bufval = &g_array_index (bufarr, GValue, 1);
|
|
|
|
if (G_VALUE_TYPE (bufval) != GST_TYPE_BUFFER) {
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
GST_WARNING ("streamheaders array does not contain GstBuffers");
|
|
return FALSE;
|
|
}
|
|
|
|
buffer = g_value_peek_pointer (bufval);
|
|
|
|
old_size = context->codec_priv_size;
|
|
context->codec_priv_size += gst_buffer_get_size (buffer);
|
|
context->codec_priv = g_realloc (context->codec_priv,
|
|
context->codec_priv_size);
|
|
gst_buffer_extract (buffer, 0, (guint8 *) context->codec_priv + old_size, -1);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static const gchar *
|
|
aac_codec_data_to_codec_id (GstBuffer * buf)
|
|
{
|
|
const gchar *result;
|
|
guint8 profile;
|
|
|
|
/* default to MAIN */
|
|
profile = 1;
|
|
|
|
if (gst_buffer_get_size (buf) >= 2) {
|
|
gst_buffer_extract (buf, 0, &profile, 1);
|
|
profile >>= 3;
|
|
}
|
|
|
|
switch (profile) {
|
|
case 1:
|
|
result = "MAIN";
|
|
break;
|
|
case 2:
|
|
result = "LC";
|
|
break;
|
|
case 3:
|
|
result = "SSR";
|
|
break;
|
|
case 4:
|
|
result = "LTP";
|
|
break;
|
|
default:
|
|
GST_WARNING ("unknown AAC profile, defaulting to MAIN");
|
|
result = "MAIN";
|
|
break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_mux_audio_pad_setcaps:
|
|
* @pad: Pad which got the caps.
|
|
* @caps: New caps.
|
|
*
|
|
* Setcaps function for audio sink pad.
|
|
*
|
|
* Returns: #TRUE on success.
|
|
*/
|
|
static gboolean
|
|
gst_matroska_mux_audio_pad_setcaps (GstPad * pad, GstCaps * caps)
|
|
{
|
|
GstMatroskaTrackContext *context = NULL;
|
|
GstMatroskaTrackAudioContext *audiocontext;
|
|
GstMatroskaMux *mux;
|
|
GstMatroskaPad *collect_pad;
|
|
const gchar *mimetype;
|
|
gint samplerate = 0, channels = 0;
|
|
GstStructure *structure;
|
|
const GValue *codec_data = NULL;
|
|
GstBuffer *buf = NULL;
|
|
const gchar *stream_format = NULL;
|
|
|
|
mux = GST_MATROSKA_MUX (GST_PAD_PARENT (pad));
|
|
|
|
/* find context */
|
|
collect_pad = (GstMatroskaPad *) gst_pad_get_element_private (pad);
|
|
g_assert (collect_pad);
|
|
context = collect_pad->track;
|
|
g_assert (context);
|
|
g_assert (context->type == GST_MATROSKA_TRACK_TYPE_AUDIO);
|
|
audiocontext = (GstMatroskaTrackAudioContext *) context;
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
mimetype = gst_structure_get_name (structure);
|
|
|
|
/* general setup */
|
|
gst_structure_get_int (structure, "rate", &samplerate);
|
|
gst_structure_get_int (structure, "channels", &channels);
|
|
|
|
audiocontext->samplerate = samplerate;
|
|
audiocontext->channels = channels;
|
|
audiocontext->bitdepth = 0;
|
|
context->default_duration = 0;
|
|
|
|
codec_data = gst_structure_get_value (structure, "codec_data");
|
|
if (codec_data)
|
|
buf = gst_value_get_buffer (codec_data);
|
|
|
|
/* TODO: - check if we handle all codecs by the spec, i.e. codec private
|
|
* data and other settings
|
|
* - add new formats
|
|
*/
|
|
|
|
if (!strcmp (mimetype, "audio/mpeg")) {
|
|
gint mpegversion = 0;
|
|
|
|
gst_structure_get_int (structure, "mpegversion", &mpegversion);
|
|
switch (mpegversion) {
|
|
case 1:{
|
|
gint layer;
|
|
gint version = 1;
|
|
gint spf;
|
|
|
|
gst_structure_get_int (structure, "layer", &layer);
|
|
|
|
if (!gst_structure_get_int (structure, "mpegaudioversion", &version)) {
|
|
GST_WARNING_OBJECT (mux,
|
|
"Unable to determine MPEG audio version, assuming 1");
|
|
version = 1;
|
|
}
|
|
|
|
if (layer == 1)
|
|
spf = 384;
|
|
else if (layer == 2)
|
|
spf = 1152;
|
|
else if (version == 2)
|
|
spf = 576;
|
|
else
|
|
spf = 1152;
|
|
|
|
context->default_duration =
|
|
gst_util_uint64_scale (GST_SECOND, spf, audiocontext->samplerate);
|
|
|
|
switch (layer) {
|
|
case 1:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_MPEG1_L1);
|
|
break;
|
|
case 2:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_MPEG1_L2);
|
|
break;
|
|
case 3:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_MPEG1_L3);
|
|
break;
|
|
default:
|
|
goto refuse_caps;
|
|
}
|
|
break;
|
|
}
|
|
case 2:
|
|
case 4:
|
|
stream_format = gst_structure_get_string (structure, "stream-format");
|
|
/* check this is raw aac */
|
|
if (stream_format) {
|
|
if (strcmp (stream_format, "raw") != 0) {
|
|
GST_WARNING_OBJECT (mux, "AAC stream-format must be 'raw', not %s",
|
|
stream_format);
|
|
}
|
|
} else {
|
|
GST_WARNING_OBJECT (mux, "AAC stream-format not specified, "
|
|
"assuming 'raw'");
|
|
}
|
|
|
|
if (buf) {
|
|
if (mpegversion == 2)
|
|
context->codec_id =
|
|
g_strdup_printf (GST_MATROSKA_CODEC_ID_AUDIO_AAC_MPEG2 "%s",
|
|
aac_codec_data_to_codec_id (buf));
|
|
else if (mpegversion == 4)
|
|
context->codec_id =
|
|
g_strdup_printf (GST_MATROSKA_CODEC_ID_AUDIO_AAC_MPEG4 "%s",
|
|
aac_codec_data_to_codec_id (buf));
|
|
else
|
|
g_assert_not_reached ();
|
|
} else {
|
|
GST_DEBUG_OBJECT (mux, "no AAC codec_data; not packetized");
|
|
goto refuse_caps;
|
|
}
|
|
break;
|
|
default:
|
|
goto refuse_caps;
|
|
}
|
|
} else if (!strcmp (mimetype, "audio/x-raw")) {
|
|
GstAudioInfo info;
|
|
|
|
gst_audio_info_init (&info);
|
|
if (!gst_audio_info_from_caps (&info, caps)) {
|
|
GST_DEBUG_OBJECT (mux,
|
|
"broken caps, rejected by gst_audio_info_from_caps");
|
|
goto refuse_caps;
|
|
}
|
|
|
|
switch (GST_AUDIO_INFO_FORMAT (&info)) {
|
|
case GST_AUDIO_FORMAT_U8:
|
|
case GST_AUDIO_FORMAT_S16BE:
|
|
case GST_AUDIO_FORMAT_S16LE:
|
|
case GST_AUDIO_FORMAT_S24BE:
|
|
case GST_AUDIO_FORMAT_S24LE:
|
|
case GST_AUDIO_FORMAT_S32BE:
|
|
case GST_AUDIO_FORMAT_S32LE:
|
|
if (GST_AUDIO_INFO_WIDTH (&info) != GST_AUDIO_INFO_DEPTH (&info)) {
|
|
GST_DEBUG_OBJECT (mux, "width must be same as depth!");
|
|
goto refuse_caps;
|
|
}
|
|
if (GST_AUDIO_INFO_IS_BIG_ENDIAN (&info))
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_PCM_INT_BE);
|
|
else
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_PCM_INT_LE);
|
|
break;
|
|
case GST_AUDIO_FORMAT_F32LE:
|
|
case GST_AUDIO_FORMAT_F64LE:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_PCM_FLOAT);
|
|
break;
|
|
|
|
default:
|
|
GST_DEBUG_OBJECT (mux, "wrong format in raw audio caps");
|
|
goto refuse_caps;
|
|
}
|
|
|
|
audiocontext->bitdepth = GST_AUDIO_INFO_WIDTH (&info);
|
|
} else if (!strcmp (mimetype, "audio/x-vorbis")) {
|
|
const GValue *streamheader;
|
|
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_VORBIS);
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
|
|
streamheader = gst_structure_get_value (structure, "streamheader");
|
|
if (!vorbis_streamheader_to_codecdata (streamheader, context)) {
|
|
GST_ELEMENT_ERROR (mux, STREAM, MUX, (NULL),
|
|
("vorbis stream headers missing or malformed"));
|
|
goto refuse_caps;
|
|
}
|
|
} else if (!strcmp (mimetype, "audio/x-flac")) {
|
|
const GValue *streamheader;
|
|
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_FLAC);
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
|
|
streamheader = gst_structure_get_value (structure, "streamheader");
|
|
if (!flac_streamheader_to_codecdata (streamheader, context)) {
|
|
GST_ELEMENT_ERROR (mux, STREAM, MUX, (NULL),
|
|
("flac stream headers missing or malformed"));
|
|
goto refuse_caps;
|
|
}
|
|
} else if (!strcmp (mimetype, "audio/x-speex")) {
|
|
const GValue *streamheader;
|
|
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_SPEEX);
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
|
|
streamheader = gst_structure_get_value (structure, "streamheader");
|
|
if (!speex_streamheader_to_codecdata (streamheader, context)) {
|
|
GST_ELEMENT_ERROR (mux, STREAM, MUX, (NULL),
|
|
("speex stream headers missing or malformed"));
|
|
goto refuse_caps;
|
|
}
|
|
} else if (!strcmp (mimetype, "audio/x-ac3")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_AC3);
|
|
} else if (!strcmp (mimetype, "audio/x-eac3")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_EAC3);
|
|
} else if (!strcmp (mimetype, "audio/x-dts")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_DTS);
|
|
} else if (!strcmp (mimetype, "audio/x-tta")) {
|
|
gint width;
|
|
|
|
/* TTA frame duration */
|
|
context->default_duration = 1.04489795918367346939 * GST_SECOND;
|
|
|
|
gst_structure_get_int (structure, "width", &width);
|
|
audiocontext->bitdepth = width;
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_TTA);
|
|
|
|
} else if (!strcmp (mimetype, "audio/x-pn-realaudio")) {
|
|
gint raversion;
|
|
const GValue *mdpr_data;
|
|
|
|
gst_structure_get_int (structure, "raversion", &raversion);
|
|
switch (raversion) {
|
|
case 1:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_REAL_14_4);
|
|
break;
|
|
case 2:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_REAL_28_8);
|
|
break;
|
|
case 8:
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_AUDIO_REAL_COOK);
|
|
break;
|
|
default:
|
|
goto refuse_caps;
|
|
}
|
|
|
|
mdpr_data = gst_structure_get_value (structure, "mdpr_data");
|
|
if (mdpr_data != NULL) {
|
|
guint8 *priv_data = NULL;
|
|
guint priv_data_size = 0;
|
|
|
|
GstBuffer *codec_data_buf = g_value_peek_pointer (mdpr_data);
|
|
|
|
priv_data_size = gst_buffer_get_size (codec_data_buf);
|
|
priv_data = g_malloc0 (priv_data_size);
|
|
|
|
gst_buffer_extract (codec_data_buf, 0, priv_data, -1);
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
|
|
context->codec_priv = priv_data;
|
|
context->codec_priv_size = priv_data_size;
|
|
}
|
|
|
|
} else if (!strcmp (mimetype, "audio/x-wma")
|
|
|| !strcmp (mimetype, "audio/x-alaw")
|
|
|| !strcmp (mimetype, "audio/x-mulaw")) {
|
|
guint8 *codec_priv;
|
|
guint codec_priv_size;
|
|
guint16 format = 0;
|
|
gint block_align;
|
|
gint bitrate;
|
|
|
|
if (samplerate == 0 || channels == 0) {
|
|
GST_WARNING_OBJECT (mux, "Missing channels/samplerate on caps");
|
|
goto refuse_caps;
|
|
}
|
|
|
|
if (!strcmp (mimetype, "audio/x-wma")) {
|
|
gint wmaversion;
|
|
gint depth;
|
|
|
|
if (!gst_structure_get_int (structure, "wmaversion", &wmaversion)
|
|
|| !gst_structure_get_int (structure, "block_align", &block_align)
|
|
|| !gst_structure_get_int (structure, "bitrate", &bitrate)) {
|
|
GST_WARNING_OBJECT (mux, "Missing wmaversion/block_align/bitrate"
|
|
" on WMA caps");
|
|
goto refuse_caps;
|
|
}
|
|
|
|
switch (wmaversion) {
|
|
case 1:
|
|
format = GST_RIFF_WAVE_FORMAT_WMAV1;
|
|
break;
|
|
case 2:
|
|
format = GST_RIFF_WAVE_FORMAT_WMAV2;
|
|
break;
|
|
case 3:
|
|
format = GST_RIFF_WAVE_FORMAT_WMAV3;
|
|
break;
|
|
default:
|
|
GST_WARNING_OBJECT (mux, "Unexpected WMA version: %d", wmaversion);
|
|
goto refuse_caps;
|
|
}
|
|
|
|
if (gst_structure_get_int (structure, "depth", &depth))
|
|
audiocontext->bitdepth = depth;
|
|
} else if (!strcmp (mimetype, "audio/x-alaw")
|
|
|| !strcmp (mimetype, "audio/x-mulaw")) {
|
|
audiocontext->bitdepth = 8;
|
|
if (!strcmp (mimetype, "audio/x-alaw"))
|
|
format = GST_RIFF_WAVE_FORMAT_ALAW;
|
|
else
|
|
format = GST_RIFF_WAVE_FORMAT_MULAW;
|
|
|
|
block_align = channels;
|
|
bitrate = block_align * samplerate;
|
|
}
|
|
g_assert (format != 0);
|
|
|
|
codec_priv_size = WAVEFORMATEX_SIZE;
|
|
if (buf)
|
|
codec_priv_size += gst_buffer_get_size (buf);
|
|
|
|
/* serialize waveformatex structure */
|
|
codec_priv = g_malloc0 (codec_priv_size);
|
|
GST_WRITE_UINT16_LE (codec_priv, format);
|
|
GST_WRITE_UINT16_LE (codec_priv + 2, channels);
|
|
GST_WRITE_UINT32_LE (codec_priv + 4, samplerate);
|
|
GST_WRITE_UINT32_LE (codec_priv + 8, bitrate / 8);
|
|
GST_WRITE_UINT16_LE (codec_priv + 12, block_align);
|
|
GST_WRITE_UINT16_LE (codec_priv + 14, 0);
|
|
if (buf)
|
|
GST_WRITE_UINT16_LE (codec_priv + 16, gst_buffer_get_size (buf));
|
|
else
|
|
GST_WRITE_UINT16_LE (codec_priv + 16, 0);
|
|
|
|
/* process codec private/initialization data, if any */
|
|
if (buf) {
|
|
gst_buffer_extract (buf, 0,
|
|
(guint8 *) codec_priv + WAVEFORMATEX_SIZE, -1);
|
|
}
|
|
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_AUDIO_ACM);
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
context->codec_priv = (gpointer) codec_priv;
|
|
context->codec_priv_size = codec_priv_size;
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
refuse_caps:
|
|
{
|
|
GST_WARNING_OBJECT (mux, "pad %s refused caps %" GST_PTR_FORMAT,
|
|
GST_PAD_NAME (pad), caps);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* we probably don't have the data at start,
|
|
* so have to reserve (a maximum) space to write this at the end.
|
|
* bit spacy, but some formats can hold quite some */
|
|
#define SUBTITLE_MAX_CODEC_PRIVATE 2048 /* must be > 128 */
|
|
|
|
/**
|
|
* gst_matroska_mux_subtitle_pad_setcaps:
|
|
* @pad: Pad which got the caps.
|
|
* @caps: New caps.
|
|
*
|
|
* Setcaps function for subtitle sink pad.
|
|
*
|
|
* Returns: #TRUE on success.
|
|
*/
|
|
static gboolean
|
|
gst_matroska_mux_subtitle_pad_setcaps (GstPad * pad, GstCaps * caps)
|
|
{
|
|
/* There is now (at least) one such alement (kateenc), and I'm going
|
|
to handle it here and claim it works when it can be piped back
|
|
through GStreamer and VLC */
|
|
|
|
GstMatroskaTrackContext *context = NULL;
|
|
GstMatroskaTrackSubtitleContext *scontext;
|
|
GstMatroskaMux *mux;
|
|
GstMatroskaPad *collect_pad;
|
|
const gchar *mimetype;
|
|
GstStructure *structure;
|
|
const GValue *value = NULL;
|
|
GstBuffer *buf = NULL;
|
|
gchar *id = NULL;
|
|
gboolean ret = TRUE;
|
|
|
|
mux = GST_MATROSKA_MUX (GST_PAD_PARENT (pad));
|
|
|
|
/* find context */
|
|
collect_pad = (GstMatroskaPad *) gst_pad_get_element_private (pad);
|
|
g_assert (collect_pad);
|
|
context = collect_pad->track;
|
|
g_assert (context);
|
|
g_assert (context->type == GST_MATROSKA_TRACK_TYPE_SUBTITLE);
|
|
scontext = (GstMatroskaTrackSubtitleContext *) context;
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
mimetype = gst_structure_get_name (structure);
|
|
|
|
/* keep track of default set in request_pad */
|
|
id = context->codec_id;
|
|
|
|
/* general setup */
|
|
scontext->check_utf8 = 1;
|
|
scontext->invalid_utf8 = 0;
|
|
context->default_duration = 0;
|
|
|
|
if (!strcmp (mimetype, "subtitle/x-kate")) {
|
|
const GValue *streamheader;
|
|
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_SUBTITLE_KATE);
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
|
|
streamheader = gst_structure_get_value (structure, "streamheader");
|
|
if (!kate_streamheader_to_codecdata (streamheader, context)) {
|
|
GST_ELEMENT_ERROR (mux, STREAM, MUX, (NULL),
|
|
("kate stream headers missing or malformed"));
|
|
ret = FALSE;
|
|
goto exit;
|
|
}
|
|
} else if (!strcmp (mimetype, "text/plain")) {
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_SUBTITLE_UTF8);
|
|
} else if (!strcmp (mimetype, "application/x-ssa")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_SUBTITLE_SSA);
|
|
} else if (!strcmp (mimetype, "application/x-ass")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_SUBTITLE_ASS);
|
|
} else if (!strcmp (mimetype, "application/x-usf")) {
|
|
gst_matroska_mux_set_codec_id (context, GST_MATROSKA_CODEC_ID_SUBTITLE_USF);
|
|
} else if (!strcmp (mimetype, "video/x-dvd-subpicture")) {
|
|
gst_matroska_mux_set_codec_id (context,
|
|
GST_MATROSKA_CODEC_ID_SUBTITLE_VOBSUB);
|
|
} else {
|
|
id = NULL;
|
|
ret = FALSE;
|
|
goto exit;
|
|
}
|
|
|
|
/* maybe some private data, e.g. vobsub */
|
|
value = gst_structure_get_value (structure, "codec_data");
|
|
if (value)
|
|
buf = gst_value_get_buffer (value);
|
|
if (buf != NULL) {
|
|
GstMapInfo map;
|
|
guint8 *priv_data = NULL;
|
|
|
|
gst_buffer_map (buf, &map, GST_MAP_READ);
|
|
|
|
if (map.size > SUBTITLE_MAX_CODEC_PRIVATE) {
|
|
GST_WARNING_OBJECT (mux, "pad %" GST_PTR_FORMAT " subtitle private data"
|
|
" exceeded maximum (%d); discarding", pad,
|
|
SUBTITLE_MAX_CODEC_PRIVATE);
|
|
gst_buffer_unmap (buf, &map);
|
|
return TRUE;
|
|
}
|
|
|
|
gst_matroska_mux_free_codec_priv (context);
|
|
|
|
priv_data = g_malloc0 (map.size);
|
|
memcpy (priv_data, map.data, map.size);
|
|
context->codec_priv = priv_data;
|
|
context->codec_priv_size = map.size;
|
|
gst_buffer_unmap (buf, &map);
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (pad, "codec_id %s, codec data size %" G_GSIZE_FORMAT,
|
|
GST_STR_NULL (context->codec_id), context->codec_priv_size);
|
|
|
|
exit:
|
|
/* free default if modified */
|
|
if (id)
|
|
g_free (id);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_request_new_pad:
|
|
* @element: #GstMatroskaMux.
|
|
* @templ: #GstPadTemplate.
|
|
* @pad_name: New pad name.
|
|
*
|
|
* Request pad function for sink templates.
|
|
*
|
|
* Returns: New #GstPad.
|
|
*/
|
|
static GstPad *
|
|
gst_matroska_mux_request_new_pad (GstElement * element,
|
|
GstPadTemplate * templ, const gchar * req_name, const GstCaps * caps)
|
|
{
|
|
GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
|
|
GstMatroskaMux *mux = GST_MATROSKA_MUX (element);
|
|
GstMatroskaPad *collect_pad;
|
|
GstMatroskamuxPad *newpad;
|
|
gchar *name = NULL;
|
|
const gchar *pad_name = NULL;
|
|
GstMatroskaCapsFunc capsfunc = NULL;
|
|
GstMatroskaTrackContext *context = NULL;
|
|
gint pad_id;
|
|
gboolean locked = TRUE;
|
|
gchar *id = NULL;
|
|
|
|
if (templ == gst_element_class_get_pad_template (klass, "audio_%u")) {
|
|
/* don't mix named and unnamed pads, if the pad already exists we fail when
|
|
* trying to add it */
|
|
if (req_name != NULL && sscanf (req_name, "audio_%u", &pad_id) == 1) {
|
|
pad_name = req_name;
|
|
} else {
|
|
name = g_strdup_printf ("audio_%u", mux->num_a_streams++);
|
|
pad_name = name;
|
|
}
|
|
capsfunc = GST_DEBUG_FUNCPTR (gst_matroska_mux_audio_pad_setcaps);
|
|
context = (GstMatroskaTrackContext *)
|
|
g_new0 (GstMatroskaTrackAudioContext, 1);
|
|
context->type = GST_MATROSKA_TRACK_TYPE_AUDIO;
|
|
context->name = g_strdup ("Audio");
|
|
} else if (templ == gst_element_class_get_pad_template (klass, "video_%u")) {
|
|
/* don't mix named and unnamed pads, if the pad already exists we fail when
|
|
* trying to add it */
|
|
if (req_name != NULL && sscanf (req_name, "video_%u", &pad_id) == 1) {
|
|
pad_name = req_name;
|
|
} else {
|
|
name = g_strdup_printf ("video_%u", mux->num_v_streams++);
|
|
pad_name = name;
|
|
}
|
|
capsfunc = GST_DEBUG_FUNCPTR (gst_matroska_mux_video_pad_setcaps);
|
|
context = (GstMatroskaTrackContext *)
|
|
g_new0 (GstMatroskaTrackVideoContext, 1);
|
|
context->type = GST_MATROSKA_TRACK_TYPE_VIDEO;
|
|
context->name = g_strdup ("Video");
|
|
} else if (templ == gst_element_class_get_pad_template (klass, "subtitle_%u")) {
|
|
/* don't mix named and unnamed pads, if the pad already exists we fail when
|
|
* trying to add it */
|
|
if (req_name != NULL && sscanf (req_name, "subtitle_%u", &pad_id) == 1) {
|
|
pad_name = req_name;
|
|
} else {
|
|
name = g_strdup_printf ("subtitle_%u", mux->num_t_streams++);
|
|
pad_name = name;
|
|
}
|
|
capsfunc = GST_DEBUG_FUNCPTR (gst_matroska_mux_subtitle_pad_setcaps);
|
|
context = (GstMatroskaTrackContext *)
|
|
g_new0 (GstMatroskaTrackSubtitleContext, 1);
|
|
context->type = GST_MATROSKA_TRACK_TYPE_SUBTITLE;
|
|
context->name = g_strdup ("Subtitle");
|
|
/* setcaps may only provide proper one a lot later */
|
|
id = g_strdup ("S_SUB_UNKNOWN");
|
|
locked = FALSE;
|
|
} else {
|
|
GST_WARNING_OBJECT (mux, "This is not our template!");
|
|
return NULL;
|
|
}
|
|
|
|
newpad = g_object_new (GST_TYPE_MATROSKAMUX_PAD,
|
|
"name", pad_name, "direction", templ->direction, "template", templ, NULL);
|
|
g_free (name);
|
|
|
|
gst_matroskamux_pad_init (newpad);
|
|
collect_pad = (GstMatroskaPad *)
|
|
gst_collect_pads2_add_pad_full (mux->collect, GST_PAD (newpad),
|
|
sizeof (GstMatroskamuxPad),
|
|
(GstCollectData2DestroyNotify) gst_matroska_pad_free, locked);
|
|
|
|
collect_pad->track = context;
|
|
gst_matroska_pad_reset (collect_pad, FALSE);
|
|
collect_pad->track->codec_id = id;
|
|
|
|
collect_pad->capsfunc = capsfunc;
|
|
gst_pad_set_active (GST_PAD (newpad), TRUE);
|
|
if (!gst_element_add_pad (element, GST_PAD (newpad)))
|
|
goto pad_add_failed;
|
|
|
|
mux->num_streams++;
|
|
|
|
GST_DEBUG_OBJECT (newpad, "Added new request pad");
|
|
|
|
return GST_PAD (newpad);
|
|
|
|
/* ERROR cases */
|
|
pad_add_failed:
|
|
{
|
|
GST_WARNING_OBJECT (mux, "Adding the new pad '%s' failed", pad_name);
|
|
gst_object_unref (newpad);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_mux_release_pad:
|
|
* @element: #GstMatroskaMux.
|
|
* @pad: Pad to release.
|
|
*
|
|
* Release a previously requested pad.
|
|
*/
|
|
static void
|
|
gst_matroska_mux_release_pad (GstElement * element, GstPad * pad)
|
|
{
|
|
GstMatroskaMux *mux;
|
|
GSList *walk;
|
|
|
|
mux = GST_MATROSKA_MUX (GST_PAD_PARENT (pad));
|
|
|
|
for (walk = mux->collect->data; walk; walk = g_slist_next (walk)) {
|
|
GstCollectData2 *cdata = (GstCollectData2 *) walk->data;
|
|
GstMatroskaPad *collect_pad = (GstMatroskaPad *) cdata;
|
|
|
|
if (cdata->pad == pad) {
|
|
GstClockTime min_dur; /* observed minimum duration */
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (collect_pad->start_ts) &&
|
|
GST_CLOCK_TIME_IS_VALID (collect_pad->end_ts)) {
|
|
min_dur = GST_CLOCK_DIFF (collect_pad->start_ts, collect_pad->end_ts);
|
|
if (collect_pad->duration < min_dur)
|
|
collect_pad->duration = min_dur;
|
|
}
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (collect_pad->duration) &&
|
|
mux->duration < collect_pad->duration)
|
|
mux->duration = collect_pad->duration;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
gst_collect_pads2_remove_pad (mux->collect, pad);
|
|
if (gst_element_remove_pad (element, pad))
|
|
mux->num_streams--;
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_track_header:
|
|
* @mux: #GstMatroskaMux
|
|
* @context: Tack context.
|
|
*
|
|
* Write a track header.
|
|
*/
|
|
static void
|
|
gst_matroska_mux_track_header (GstMatroskaMux * mux,
|
|
GstMatroskaTrackContext * context)
|
|
{
|
|
GstEbmlWrite *ebml = mux->ebml_write;
|
|
guint64 master;
|
|
|
|
/* TODO: check if everything necessary is written and check default values */
|
|
|
|
/* track type goes before the type-specific stuff */
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_TRACKNUMBER, context->num);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_TRACKTYPE, context->type);
|
|
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_TRACKUID,
|
|
gst_matroska_mux_create_uid ());
|
|
if (context->default_duration) {
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_TRACKDEFAULTDURATION,
|
|
context->default_duration);
|
|
}
|
|
if (context->language) {
|
|
gst_ebml_write_utf8 (ebml, GST_MATROSKA_ID_TRACKLANGUAGE,
|
|
context->language);
|
|
}
|
|
|
|
/* FIXME: until we have a nice way of getting the codecname
|
|
* out of the caps, I'm not going to enable this. Too much
|
|
* (useless, double, boring) work... */
|
|
/* TODO: Use value from tags if any */
|
|
/*gst_ebml_write_utf8 (ebml, GST_MATROSKA_ID_CODECNAME,
|
|
context->codec_name); */
|
|
gst_ebml_write_utf8 (ebml, GST_MATROSKA_ID_TRACKNAME, context->name);
|
|
|
|
/* type-specific stuff */
|
|
switch (context->type) {
|
|
case GST_MATROSKA_TRACK_TYPE_VIDEO:{
|
|
GstMatroskaTrackVideoContext *videocontext =
|
|
(GstMatroskaTrackVideoContext *) context;
|
|
|
|
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TRACKVIDEO);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEOPIXELWIDTH,
|
|
videocontext->pixel_width);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEOPIXELHEIGHT,
|
|
videocontext->pixel_height);
|
|
if (videocontext->display_width && videocontext->display_height) {
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEODISPLAYWIDTH,
|
|
videocontext->display_width);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEODISPLAYHEIGHT,
|
|
videocontext->display_height);
|
|
}
|
|
if (context->flags & GST_MATROSKA_VIDEOTRACK_INTERLACED)
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEOFLAGINTERLACED, 1);
|
|
if (videocontext->fourcc) {
|
|
guint32 fcc_le = GUINT32_TO_LE (videocontext->fourcc);
|
|
|
|
gst_ebml_write_binary (ebml, GST_MATROSKA_ID_VIDEOCOLOURSPACE,
|
|
(gpointer) & fcc_le, 4);
|
|
}
|
|
gst_ebml_write_master_finish (ebml, master);
|
|
|
|
break;
|
|
}
|
|
|
|
case GST_MATROSKA_TRACK_TYPE_AUDIO:{
|
|
GstMatroskaTrackAudioContext *audiocontext =
|
|
(GstMatroskaTrackAudioContext *) context;
|
|
|
|
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TRACKAUDIO);
|
|
if (audiocontext->samplerate != 8000)
|
|
gst_ebml_write_float (ebml, GST_MATROSKA_ID_AUDIOSAMPLINGFREQ,
|
|
audiocontext->samplerate);
|
|
if (audiocontext->channels != 1)
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_AUDIOCHANNELS,
|
|
audiocontext->channels);
|
|
if (audiocontext->bitdepth) {
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_AUDIOBITDEPTH,
|
|
audiocontext->bitdepth);
|
|
}
|
|
gst_ebml_write_master_finish (ebml, master);
|
|
|
|
break;
|
|
}
|
|
|
|
/* this is what we write for now and must be filled
|
|
* and remainder void'ed later on */
|
|
#define SUBTITLE_DUMMY_SIZE (1 + 1 + 14 + 1 + 2 + SUBTITLE_MAX_CODEC_PRIVATE)
|
|
|
|
case GST_MATROSKA_TRACK_TYPE_SUBTITLE:{
|
|
gpointer buf;
|
|
|
|
context->pos = ebml->pos;
|
|
/* CodecID is mandatory ... */
|
|
gst_ebml_write_ascii (ebml, GST_MATROSKA_ID_CODECID, "S_SUB_UNKNOWN");
|
|
/* reserve space */
|
|
buf = g_malloc0 (SUBTITLE_MAX_CODEC_PRIVATE);
|
|
gst_ebml_write_binary (ebml, GST_EBML_ID_VOID, buf,
|
|
SUBTITLE_MAX_CODEC_PRIVATE);
|
|
g_free (buf);
|
|
/* real data has to be written at finish */
|
|
return;
|
|
}
|
|
default:
|
|
/* doesn't need type-specific data */
|
|
break;
|
|
}
|
|
|
|
gst_ebml_write_ascii (ebml, GST_MATROSKA_ID_CODECID, context->codec_id);
|
|
if (context->codec_priv)
|
|
gst_ebml_write_binary (ebml, GST_MATROSKA_ID_CODECPRIVATE,
|
|
context->codec_priv, context->codec_priv_size);
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_start:
|
|
* @mux: #GstMatroskaMux
|
|
*
|
|
* Start a new matroska file (write headers etc...)
|
|
*/
|
|
static void
|
|
gst_matroska_mux_start (GstMatroskaMux * mux)
|
|
{
|
|
GstEbmlWrite *ebml = mux->ebml_write;
|
|
const gchar *doctype;
|
|
guint32 seekhead_id[] = { GST_MATROSKA_ID_SEGMENTINFO,
|
|
GST_MATROSKA_ID_TRACKS,
|
|
GST_MATROSKA_ID_CUES,
|
|
GST_MATROSKA_ID_TAGS,
|
|
0
|
|
};
|
|
guint64 master, child;
|
|
GSList *collected;
|
|
int i;
|
|
guint tracknum = 1;
|
|
GstClockTime duration = 0;
|
|
guint32 segment_uid[4];
|
|
GTimeVal time = { 0, 0 };
|
|
|
|
if (!strcmp (mux->doctype, GST_MATROSKA_DOCTYPE_WEBM)) {
|
|
ebml->caps = gst_caps_new_empty_simple ("video/webm");
|
|
} else {
|
|
ebml->caps = gst_caps_new_empty_simple ("video/x-matroska");
|
|
}
|
|
/* we start with a EBML header */
|
|
doctype = mux->doctype;
|
|
GST_INFO_OBJECT (ebml, "DocType: %s, Version: %d",
|
|
doctype, mux->doctype_version);
|
|
gst_ebml_write_header (ebml, doctype, mux->doctype_version);
|
|
|
|
/* the rest of the header is cached */
|
|
gst_ebml_write_set_cache (ebml, 0x1000);
|
|
|
|
/* start a segment */
|
|
mux->segment_pos =
|
|
gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_SEGMENT);
|
|
mux->segment_master = ebml->pos;
|
|
|
|
if (!mux->streamable) {
|
|
/* seekhead (table of contents) - we set the positions later */
|
|
mux->seekhead_pos = ebml->pos;
|
|
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_SEEKHEAD);
|
|
for (i = 0; seekhead_id[i] != 0; i++) {
|
|
child = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_SEEKENTRY);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_SEEKID, seekhead_id[i]);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_SEEKPOSITION, -1);
|
|
gst_ebml_write_master_finish (ebml, child);
|
|
}
|
|
gst_ebml_write_master_finish (ebml, master);
|
|
}
|
|
|
|
if (mux->streamable) {
|
|
const GstTagList *tags;
|
|
|
|
/* tags */
|
|
tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (mux));
|
|
|
|
if (tags != NULL && !gst_tag_list_is_empty (tags)) {
|
|
guint64 master_tags, master_tag;
|
|
|
|
GST_DEBUG_OBJECT (mux, "Writing tags");
|
|
|
|
/* TODO: maybe limit via the TARGETS id by looking at the source pad */
|
|
mux->tags_pos = ebml->pos;
|
|
master_tags = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAGS);
|
|
master_tag = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAG);
|
|
gst_tag_list_foreach (tags, gst_matroska_mux_write_simple_tag, ebml);
|
|
gst_ebml_write_master_finish (ebml, master_tag);
|
|
gst_ebml_write_master_finish (ebml, master_tags);
|
|
}
|
|
}
|
|
|
|
/* segment info */
|
|
mux->info_pos = ebml->pos;
|
|
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_SEGMENTINFO);
|
|
for (i = 0; i < 4; i++) {
|
|
segment_uid[i] = g_random_int ();
|
|
}
|
|
gst_ebml_write_binary (ebml, GST_MATROSKA_ID_SEGMENTUID,
|
|
(guint8 *) segment_uid, 16);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_TIMECODESCALE, mux->time_scale);
|
|
mux->duration_pos = ebml->pos;
|
|
/* get duration */
|
|
if (!mux->streamable) {
|
|
for (collected = mux->collect->data; collected;
|
|
collected = g_slist_next (collected)) {
|
|
GstMatroskaPad *collect_pad;
|
|
GstPad *thepad;
|
|
gint64 trackduration;
|
|
|
|
collect_pad = (GstMatroskaPad *) collected->data;
|
|
thepad = collect_pad->collect.pad;
|
|
|
|
/* Query the total length of the track. */
|
|
GST_DEBUG_OBJECT (thepad, "querying peer duration");
|
|
if (gst_pad_peer_query_duration (thepad, GST_FORMAT_TIME, &trackduration)) {
|
|
GST_DEBUG_OBJECT (thepad, "duration: %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (trackduration));
|
|
if (trackduration != GST_CLOCK_TIME_NONE && trackduration > duration) {
|
|
duration = (GstClockTime) trackduration;
|
|
}
|
|
}
|
|
}
|
|
gst_ebml_write_float (ebml, GST_MATROSKA_ID_DURATION,
|
|
gst_guint64_to_gdouble (duration) /
|
|
gst_guint64_to_gdouble (mux->time_scale));
|
|
}
|
|
gst_ebml_write_utf8 (ebml, GST_MATROSKA_ID_MUXINGAPP,
|
|
"GStreamer plugin version " PACKAGE_VERSION);
|
|
if (mux->writing_app && mux->writing_app[0]) {
|
|
gst_ebml_write_utf8 (ebml, GST_MATROSKA_ID_WRITINGAPP, mux->writing_app);
|
|
}
|
|
g_get_current_time (&time);
|
|
gst_ebml_write_date (ebml, GST_MATROSKA_ID_DATEUTC, time.tv_sec);
|
|
gst_ebml_write_master_finish (ebml, master);
|
|
|
|
/* tracks */
|
|
mux->tracks_pos = ebml->pos;
|
|
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TRACKS);
|
|
|
|
for (collected = mux->collect->data; collected;
|
|
collected = g_slist_next (collected)) {
|
|
GstMatroskaPad *collect_pad;
|
|
GstPad *thepad;
|
|
|
|
collect_pad = (GstMatroskaPad *) collected->data;
|
|
thepad = collect_pad->collect.pad;
|
|
|
|
if (gst_pad_is_linked (thepad) && gst_pad_is_active (thepad) &&
|
|
collect_pad->track->codec_id != 0) {
|
|
collect_pad->track->num = tracknum++;
|
|
child = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TRACKENTRY);
|
|
gst_matroska_mux_track_header (mux, collect_pad->track);
|
|
gst_ebml_write_master_finish (ebml, child);
|
|
/* some remaining pad/track setup */
|
|
collect_pad->default_duration_scaled =
|
|
gst_util_uint64_scale (collect_pad->track->default_duration,
|
|
1, mux->time_scale);
|
|
}
|
|
}
|
|
gst_ebml_write_master_finish (ebml, master);
|
|
|
|
/* lastly, flush the cache */
|
|
gst_ebml_write_flush_cache (ebml, FALSE, 0);
|
|
}
|
|
|
|
static void
|
|
gst_matroska_mux_write_simple_tag (const GstTagList * list, const gchar * tag,
|
|
gpointer data)
|
|
{
|
|
/* TODO: more sensible tag mappings */
|
|
static const struct
|
|
{
|
|
const gchar *matroska_tagname;
|
|
const gchar *gstreamer_tagname;
|
|
}
|
|
tag_conv[] = {
|
|
{
|
|
GST_MATROSKA_TAG_ID_TITLE, GST_TAG_TITLE}, {
|
|
GST_MATROSKA_TAG_ID_ARTIST, GST_TAG_ARTIST}, {
|
|
GST_MATROSKA_TAG_ID_ALBUM, GST_TAG_ALBUM}, {
|
|
GST_MATROSKA_TAG_ID_COMMENTS, GST_TAG_COMMENT}, {
|
|
GST_MATROSKA_TAG_ID_BITSPS, GST_TAG_BITRATE}, {
|
|
GST_MATROSKA_TAG_ID_BPS, GST_TAG_BITRATE}, {
|
|
GST_MATROSKA_TAG_ID_ENCODER, GST_TAG_ENCODER}, {
|
|
GST_MATROSKA_TAG_ID_DATE, GST_TAG_DATE}, {
|
|
GST_MATROSKA_TAG_ID_ISRC, GST_TAG_ISRC}, {
|
|
GST_MATROSKA_TAG_ID_COPYRIGHT, GST_TAG_COPYRIGHT}, {
|
|
GST_MATROSKA_TAG_ID_BPM, GST_TAG_BEATS_PER_MINUTE}, {
|
|
GST_MATROSKA_TAG_ID_TERMS_OF_USE, GST_TAG_LICENSE}, {
|
|
GST_MATROSKA_TAG_ID_COMPOSER, GST_TAG_COMPOSER}, {
|
|
GST_MATROSKA_TAG_ID_LEAD_PERFORMER, GST_TAG_PERFORMER}, {
|
|
GST_MATROSKA_TAG_ID_GENRE, GST_TAG_GENRE}
|
|
};
|
|
GstEbmlWrite *ebml = (GstEbmlWrite *) data;
|
|
guint i;
|
|
guint64 simpletag_master;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (tag_conv); i++) {
|
|
const gchar *tagname_gst = tag_conv[i].gstreamer_tagname;
|
|
const gchar *tagname_mkv = tag_conv[i].matroska_tagname;
|
|
|
|
if (strcmp (tagname_gst, tag) == 0) {
|
|
GValue src = { 0, };
|
|
gchar *dest;
|
|
|
|
if (!gst_tag_list_copy_value (&src, list, tag))
|
|
break;
|
|
if ((dest = gst_value_serialize (&src))) {
|
|
|
|
simpletag_master = gst_ebml_write_master_start (ebml,
|
|
GST_MATROSKA_ID_SIMPLETAG);
|
|
gst_ebml_write_ascii (ebml, GST_MATROSKA_ID_TAGNAME, tagname_mkv);
|
|
gst_ebml_write_utf8 (ebml, GST_MATROSKA_ID_TAGSTRING, dest);
|
|
gst_ebml_write_master_finish (ebml, simpletag_master);
|
|
g_free (dest);
|
|
} else {
|
|
GST_WARNING ("Can't transform tag '%s' to string", tagname_mkv);
|
|
}
|
|
g_value_unset (&src);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_finish:
|
|
* @mux: #GstMatroskaMux
|
|
*
|
|
* Finish a new matroska file (write index etc...)
|
|
*/
|
|
static void
|
|
gst_matroska_mux_finish (GstMatroskaMux * mux)
|
|
{
|
|
GstEbmlWrite *ebml = mux->ebml_write;
|
|
guint64 pos;
|
|
guint64 duration = 0;
|
|
GSList *collected;
|
|
const GstTagList *tags;
|
|
|
|
/* finish last cluster */
|
|
if (mux->cluster) {
|
|
gst_ebml_write_master_finish (ebml, mux->cluster);
|
|
}
|
|
|
|
/* cues */
|
|
if (mux->index != NULL) {
|
|
guint n;
|
|
guint64 master, pointentry_master, trackpos_master;
|
|
|
|
mux->cues_pos = ebml->pos;
|
|
gst_ebml_write_set_cache (ebml, 12 + 41 * mux->num_indexes);
|
|
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_CUES);
|
|
|
|
for (n = 0; n < mux->num_indexes; n++) {
|
|
GstMatroskaIndex *idx = &mux->index[n];
|
|
|
|
pointentry_master = gst_ebml_write_master_start (ebml,
|
|
GST_MATROSKA_ID_POINTENTRY);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CUETIME,
|
|
idx->time / mux->time_scale);
|
|
trackpos_master = gst_ebml_write_master_start (ebml,
|
|
GST_MATROSKA_ID_CUETRACKPOSITIONS);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CUETRACK, idx->track);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CUECLUSTERPOSITION,
|
|
idx->pos - mux->segment_master);
|
|
gst_ebml_write_master_finish (ebml, trackpos_master);
|
|
gst_ebml_write_master_finish (ebml, pointentry_master);
|
|
}
|
|
|
|
gst_ebml_write_master_finish (ebml, master);
|
|
gst_ebml_write_flush_cache (ebml, FALSE, GST_CLOCK_TIME_NONE);
|
|
}
|
|
|
|
/* tags */
|
|
tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (mux));
|
|
|
|
if (tags != NULL && !gst_tag_list_is_empty (tags)) {
|
|
guint64 master_tags, master_tag;
|
|
|
|
GST_DEBUG_OBJECT (mux, "Writing tags");
|
|
|
|
/* TODO: maybe limit via the TARGETS id by looking at the source pad */
|
|
mux->tags_pos = ebml->pos;
|
|
master_tags = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAGS);
|
|
master_tag = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_TAG);
|
|
gst_tag_list_foreach (tags, gst_matroska_mux_write_simple_tag, ebml);
|
|
gst_ebml_write_master_finish (ebml, master_tag);
|
|
gst_ebml_write_master_finish (ebml, master_tags);
|
|
}
|
|
|
|
/* update seekhead. We know that:
|
|
* - a seekhead contains 4 entries.
|
|
* - order of entries is as above.
|
|
* - a seekhead has a 4-byte header + 8-byte length
|
|
* - each entry is 2-byte master, 2-byte ID pointer,
|
|
* 2-byte length pointer, all 8/1-byte length, 4-
|
|
* byte ID and 8-byte length pointer, where the
|
|
* length pointer starts at 20.
|
|
* - all entries are local to the segment (so pos - segment_master).
|
|
* - so each entry is at 12 + 20 + num * 28. */
|
|
gst_ebml_replace_uint (ebml, mux->seekhead_pos + 32,
|
|
mux->info_pos - mux->segment_master);
|
|
gst_ebml_replace_uint (ebml, mux->seekhead_pos + 60,
|
|
mux->tracks_pos - mux->segment_master);
|
|
if (mux->index != NULL) {
|
|
gst_ebml_replace_uint (ebml, mux->seekhead_pos + 88,
|
|
mux->cues_pos - mux->segment_master);
|
|
} else {
|
|
/* void'ify */
|
|
guint64 my_pos = ebml->pos;
|
|
|
|
gst_ebml_write_seek (ebml, mux->seekhead_pos + 68);
|
|
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, 26);
|
|
gst_ebml_write_seek (ebml, my_pos);
|
|
}
|
|
if (tags != NULL) {
|
|
gst_ebml_replace_uint (ebml, mux->seekhead_pos + 116,
|
|
mux->tags_pos - mux->segment_master);
|
|
} else {
|
|
/* void'ify */
|
|
guint64 my_pos = ebml->pos;
|
|
|
|
gst_ebml_write_seek (ebml, mux->seekhead_pos + 96);
|
|
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, 26);
|
|
gst_ebml_write_seek (ebml, my_pos);
|
|
}
|
|
|
|
/* loop tracks:
|
|
* - first get the overall duration
|
|
* (a released track may have left a duration in here)
|
|
* - write some track header data for subtitles
|
|
*/
|
|
duration = mux->duration;
|
|
pos = ebml->pos;
|
|
for (collected = mux->collect->data; collected;
|
|
collected = g_slist_next (collected)) {
|
|
GstMatroskaPad *collect_pad;
|
|
GstClockTime min_duration; /* observed minimum duration */
|
|
GstMatroskaTrackContext *context;
|
|
gint voidleft = 0, fill = 0;
|
|
gpointer codec_id;
|
|
|
|
collect_pad = (GstMatroskaPad *) collected->data;
|
|
context = collect_pad->track;
|
|
|
|
GST_DEBUG_OBJECT (mux,
|
|
"Pad %" GST_PTR_FORMAT " start ts %" GST_TIME_FORMAT
|
|
" end ts %" GST_TIME_FORMAT, collect_pad,
|
|
GST_TIME_ARGS (collect_pad->start_ts),
|
|
GST_TIME_ARGS (collect_pad->end_ts));
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (collect_pad->start_ts) &&
|
|
GST_CLOCK_TIME_IS_VALID (collect_pad->end_ts)) {
|
|
min_duration =
|
|
GST_CLOCK_DIFF (collect_pad->start_ts, collect_pad->end_ts);
|
|
if (collect_pad->duration < min_duration)
|
|
collect_pad->duration = min_duration;
|
|
GST_DEBUG_OBJECT (collect_pad,
|
|
"final track duration: %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (collect_pad->duration));
|
|
}
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (collect_pad->duration) &&
|
|
duration < collect_pad->duration)
|
|
duration = collect_pad->duration;
|
|
|
|
if (context->type != GST_MATROSKA_TRACK_TYPE_SUBTITLE || !context->pos)
|
|
continue;
|
|
|
|
again:
|
|
/* write subtitle type and possible private data */
|
|
gst_ebml_write_seek (ebml, context->pos);
|
|
/* complex way to write ascii to account for extra filling */
|
|
codec_id = g_malloc0 (strlen (context->codec_id) + 1 + fill);
|
|
strcpy (codec_id, context->codec_id);
|
|
gst_ebml_write_binary (ebml, GST_MATROSKA_ID_CODECID,
|
|
codec_id, strlen (context->codec_id) + 1 + fill);
|
|
g_free (codec_id);
|
|
if (context->codec_priv)
|
|
gst_ebml_write_binary (ebml, GST_MATROSKA_ID_CODECPRIVATE,
|
|
context->codec_priv, context->codec_priv_size);
|
|
voidleft = SUBTITLE_DUMMY_SIZE - (ebml->pos - context->pos);
|
|
/* void'ify; sigh, variable sized length field */
|
|
if (voidleft == 1) {
|
|
fill = 1;
|
|
goto again;
|
|
} else if (voidleft && voidleft <= 128)
|
|
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, voidleft - 2);
|
|
else if (voidleft >= 130)
|
|
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, voidleft - 3);
|
|
else if (voidleft == 129) {
|
|
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, 64);
|
|
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, 63);
|
|
}
|
|
}
|
|
|
|
/* seek back (optional, but do anyway) */
|
|
gst_ebml_write_seek (ebml, pos);
|
|
|
|
/* update duration */
|
|
if (duration != 0) {
|
|
GST_DEBUG_OBJECT (mux, "final total duration: %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (duration));
|
|
pos = mux->ebml_write->pos;
|
|
gst_ebml_write_seek (ebml, mux->duration_pos);
|
|
gst_ebml_write_float (ebml, GST_MATROSKA_ID_DURATION,
|
|
gst_guint64_to_gdouble (duration) /
|
|
gst_guint64_to_gdouble (mux->time_scale));
|
|
gst_ebml_write_seek (ebml, pos);
|
|
} else {
|
|
/* void'ify */
|
|
guint64 my_pos = ebml->pos;
|
|
|
|
gst_ebml_write_seek (ebml, mux->duration_pos);
|
|
gst_ebml_write_buffer_header (ebml, GST_EBML_ID_VOID, 8);
|
|
gst_ebml_write_seek (ebml, my_pos);
|
|
}
|
|
GST_DEBUG_OBJECT (mux, "finishing segment");
|
|
/* finish segment - this also writes element length */
|
|
gst_ebml_write_master_finish (ebml, mux->segment_pos);
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_mux_buffer_header:
|
|
* @track: Track context.
|
|
* @relative_timestamp: relative timestamp of the buffer
|
|
* @flags: Buffer flags.
|
|
*
|
|
* Create a buffer containing buffer header.
|
|
*
|
|
* Returns: New buffer.
|
|
*/
|
|
static GstBuffer *
|
|
gst_matroska_mux_create_buffer_header (GstMatroskaTrackContext * track,
|
|
gint16 relative_timestamp, int flags)
|
|
{
|
|
GstBuffer *hdr;
|
|
guint8 *data = g_malloc (4);
|
|
|
|
hdr = gst_buffer_new_wrapped (data, 4);
|
|
/* track num - FIXME: what if num >= 0x80 (unlikely)? */
|
|
data[0] = track->num | 0x80;
|
|
/* time relative to clustertime */
|
|
GST_WRITE_UINT16_BE (data + 1, relative_timestamp);
|
|
|
|
/* flags */
|
|
data[3] = flags;
|
|
|
|
return hdr;
|
|
}
|
|
|
|
#define DIRAC_PARSE_CODE_SEQUENCE_HEADER 0x00
|
|
#define DIRAC_PARSE_CODE_END_OF_SEQUENCE 0x10
|
|
#define DIRAC_PARSE_CODE_IS_PICTURE(x) ((x & 0x08) != 0)
|
|
|
|
static GstBuffer *
|
|
gst_matroska_mux_handle_dirac_packet (GstMatroskaMux * mux,
|
|
GstMatroskaPad * collect_pad, GstBuffer * buf)
|
|
{
|
|
GstMatroskaTrackVideoContext *ctx =
|
|
(GstMatroskaTrackVideoContext *) collect_pad->track;
|
|
GstMapInfo map;
|
|
guint8 *data;
|
|
gsize size;
|
|
guint8 parse_code;
|
|
guint32 next_parse_offset;
|
|
GstBuffer *ret = NULL;
|
|
gboolean is_muxing_unit = FALSE;
|
|
|
|
gst_buffer_map (buf, &map, GST_MAP_READ);
|
|
data = map.data;
|
|
size = map.size;
|
|
|
|
if (size < 13) {
|
|
gst_buffer_unmap (buf, &map);
|
|
gst_buffer_unref (buf);
|
|
return ret;
|
|
}
|
|
|
|
/* Check if this buffer contains a picture or end-of-sequence packet */
|
|
while (size >= 13) {
|
|
if (GST_READ_UINT32_BE (data) != 0x42424344 /* 'BBCD' */ ) {
|
|
gst_buffer_unmap (buf, &map);
|
|
gst_buffer_unref (buf);
|
|
return ret;
|
|
}
|
|
|
|
parse_code = GST_READ_UINT8 (data + 4);
|
|
if (parse_code == DIRAC_PARSE_CODE_SEQUENCE_HEADER) {
|
|
if (ctx->dirac_unit) {
|
|
gst_buffer_unref (ctx->dirac_unit);
|
|
ctx->dirac_unit = NULL;
|
|
}
|
|
} else if (DIRAC_PARSE_CODE_IS_PICTURE (parse_code) ||
|
|
parse_code == DIRAC_PARSE_CODE_END_OF_SEQUENCE) {
|
|
is_muxing_unit = TRUE;
|
|
break;
|
|
}
|
|
|
|
next_parse_offset = GST_READ_UINT32_BE (data + 5);
|
|
|
|
if (G_UNLIKELY (next_parse_offset == 0 || next_parse_offset > size))
|
|
break;
|
|
|
|
data += next_parse_offset;
|
|
size -= next_parse_offset;
|
|
}
|
|
|
|
if (ctx->dirac_unit)
|
|
ctx->dirac_unit = gst_buffer_join (ctx->dirac_unit, gst_buffer_ref (buf));
|
|
else
|
|
ctx->dirac_unit = gst_buffer_ref (buf);
|
|
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
if (is_muxing_unit) {
|
|
ret = gst_buffer_make_writable (ctx->dirac_unit);
|
|
ctx->dirac_unit = NULL;
|
|
gst_buffer_copy_into (ret, buf,
|
|
GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
|
|
gst_buffer_unref (buf);
|
|
} else {
|
|
gst_buffer_unref (buf);
|
|
ret = NULL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_matroska_mux_stop_streamheader (GstMatroskaMux * mux)
|
|
{
|
|
GstCaps *caps;
|
|
GstStructure *s;
|
|
GValue streamheader = { 0 };
|
|
GValue bufval = { 0 };
|
|
GstBuffer *streamheader_buffer;
|
|
GstEbmlWrite *ebml = mux->ebml_write;
|
|
|
|
streamheader_buffer = gst_ebml_stop_streamheader (ebml);
|
|
if (!strcmp (mux->doctype, GST_MATROSKA_DOCTYPE_WEBM)) {
|
|
caps = gst_caps_new_empty_simple ("video/webm");
|
|
} else {
|
|
caps = gst_caps_new_empty_simple ("video/x-matroska");
|
|
}
|
|
s = gst_caps_get_structure (caps, 0);
|
|
g_value_init (&streamheader, GST_TYPE_ARRAY);
|
|
g_value_init (&bufval, GST_TYPE_BUFFER);
|
|
GST_BUFFER_FLAG_SET (streamheader_buffer, GST_BUFFER_FLAG_IN_CAPS);
|
|
gst_value_set_buffer (&bufval, streamheader_buffer);
|
|
gst_value_array_append_value (&streamheader, &bufval);
|
|
g_value_unset (&bufval);
|
|
gst_structure_set_value (s, "streamheader", &streamheader);
|
|
g_value_unset (&streamheader);
|
|
gst_caps_replace (&ebml->caps, caps);
|
|
gst_buffer_unref (streamheader_buffer);
|
|
gst_caps_unref (caps);
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_mux_write_data:
|
|
* @mux: #GstMatroskaMux
|
|
* @collect_pad: #GstMatroskaPad with the data
|
|
*
|
|
* Write collected data (called from gst_matroska_mux_collected).
|
|
*
|
|
* Returns: Result of the gst_pad_push issued to write the data.
|
|
*/
|
|
static GstFlowReturn
|
|
gst_matroska_mux_write_data (GstMatroskaMux * mux, GstMatroskaPad * collect_pad,
|
|
GstBuffer * buf)
|
|
{
|
|
GstEbmlWrite *ebml = mux->ebml_write;
|
|
GstBuffer *hdr;
|
|
guint64 blockgroup;
|
|
gboolean write_duration;
|
|
gint16 relative_timestamp;
|
|
gint64 relative_timestamp64;
|
|
guint64 block_duration;
|
|
gboolean is_video_keyframe = FALSE;
|
|
GstMatroskamuxPad *pad;
|
|
|
|
/* write data */
|
|
pad = GST_MATROSKAMUX_PAD_CAST (collect_pad->collect.pad);
|
|
|
|
/* vorbis/theora headers are retrieved from caps and put in CodecPrivate */
|
|
if (collect_pad->track->xiph_headers_to_skip > 0) {
|
|
GST_LOG_OBJECT (collect_pad->collect.pad, "dropping streamheader buffer");
|
|
gst_buffer_unref (buf);
|
|
--collect_pad->track->xiph_headers_to_skip;
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
/* for dirac we have to queue up everything up to a picture unit */
|
|
if (collect_pad->track->codec_id != NULL &&
|
|
strcmp (collect_pad->track->codec_id,
|
|
GST_MATROSKA_CODEC_ID_VIDEO_DIRAC) == 0) {
|
|
buf = gst_matroska_mux_handle_dirac_packet (mux, collect_pad, buf);
|
|
if (!buf)
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
/* hm, invalid timestamp (due to --to be fixed--- element upstream);
|
|
* this would wreak havoc with time stored in matroska file */
|
|
/* TODO: maybe calculate a timestamp by using the previous timestamp
|
|
* and default duration */
|
|
if (!GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
|
|
GST_WARNING_OBJECT (collect_pad->collect.pad,
|
|
"Invalid buffer timestamp; dropping buffer");
|
|
gst_buffer_unref (buf);
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
/* set the timestamp for outgoing buffers */
|
|
ebml->timestamp = GST_BUFFER_TIMESTAMP (buf);
|
|
|
|
if (collect_pad->track->type == GST_MATROSKA_TRACK_TYPE_VIDEO &&
|
|
!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT)) {
|
|
GST_LOG_OBJECT (mux, "have video keyframe, ts=%" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
|
|
is_video_keyframe = TRUE;
|
|
}
|
|
|
|
if (mux->cluster) {
|
|
/* start a new cluster at every keyframe, at every GstForceKeyUnit event,
|
|
* or when we may be reaching the limit of the relative timestamp */
|
|
if (mux->cluster_time +
|
|
mux->max_cluster_duration < GST_BUFFER_TIMESTAMP (buf)
|
|
|| is_video_keyframe || mux->force_key_unit_event) {
|
|
if (!mux->streamable)
|
|
gst_ebml_write_master_finish (ebml, mux->cluster);
|
|
|
|
/* Forward the GstForceKeyUnit event after finishing the cluster */
|
|
if (mux->force_key_unit_event) {
|
|
gst_pad_push_event (mux->srcpad, mux->force_key_unit_event);
|
|
mux->force_key_unit_event = NULL;
|
|
}
|
|
|
|
mux->prev_cluster_size = ebml->pos - mux->cluster_pos;
|
|
mux->cluster_pos = ebml->pos;
|
|
gst_ebml_write_set_cache (ebml, 0x20);
|
|
mux->cluster =
|
|
gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_CLUSTER);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CLUSTERTIMECODE,
|
|
gst_util_uint64_scale (GST_BUFFER_TIMESTAMP (buf), 1,
|
|
mux->time_scale));
|
|
GST_LOG_OBJECT (mux, "cluster timestamp %" G_GUINT64_FORMAT,
|
|
gst_util_uint64_scale (GST_BUFFER_TIMESTAMP (buf), 1,
|
|
mux->time_scale));
|
|
gst_ebml_write_flush_cache (ebml, TRUE, GST_BUFFER_TIMESTAMP (buf));
|
|
mux->cluster_time = GST_BUFFER_TIMESTAMP (buf);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_PREVSIZE,
|
|
mux->prev_cluster_size);
|
|
}
|
|
} else {
|
|
/* first cluster */
|
|
|
|
mux->cluster_pos = ebml->pos;
|
|
gst_ebml_write_set_cache (ebml, 0x20);
|
|
mux->cluster = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_CLUSTER);
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_CLUSTERTIMECODE,
|
|
gst_util_uint64_scale (GST_BUFFER_TIMESTAMP (buf), 1, mux->time_scale));
|
|
gst_ebml_write_flush_cache (ebml, TRUE, GST_BUFFER_TIMESTAMP (buf));
|
|
mux->cluster_time = GST_BUFFER_TIMESTAMP (buf);
|
|
}
|
|
|
|
/* update duration of this track */
|
|
if (GST_BUFFER_DURATION_IS_VALID (buf))
|
|
collect_pad->duration += GST_BUFFER_DURATION (buf);
|
|
|
|
/* We currently write index entries for all video tracks or for the audio
|
|
* track in a single-track audio file. This could be improved by keeping the
|
|
* index only for the *first* video track. */
|
|
|
|
/* TODO: index is useful for every track, should contain the number of
|
|
* the block in the cluster which contains the timestamp, should also work
|
|
* for files with multiple audio tracks.
|
|
*/
|
|
if (!mux->streamable &&
|
|
(is_video_keyframe ||
|
|
((collect_pad->track->type == GST_MATROSKA_TRACK_TYPE_AUDIO) &&
|
|
(mux->num_streams == 1)))) {
|
|
gint last_idx = -1;
|
|
|
|
if (mux->min_index_interval != 0) {
|
|
for (last_idx = mux->num_indexes - 1; last_idx >= 0; last_idx--) {
|
|
if (mux->index[last_idx].track == collect_pad->track->num)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (last_idx < 0 || mux->min_index_interval == 0 ||
|
|
(GST_CLOCK_DIFF (mux->index[last_idx].time, GST_BUFFER_TIMESTAMP (buf))
|
|
>= mux->min_index_interval)) {
|
|
GstMatroskaIndex *idx;
|
|
|
|
if (mux->num_indexes % 32 == 0) {
|
|
mux->index = g_renew (GstMatroskaIndex, mux->index,
|
|
mux->num_indexes + 32);
|
|
}
|
|
idx = &mux->index[mux->num_indexes++];
|
|
|
|
idx->pos = mux->cluster_pos;
|
|
idx->time = GST_BUFFER_TIMESTAMP (buf);
|
|
idx->track = collect_pad->track->num;
|
|
}
|
|
}
|
|
|
|
/* Check if the duration differs from the default duration. */
|
|
write_duration = FALSE;
|
|
block_duration = 0;
|
|
if (pad->frame_duration && GST_BUFFER_DURATION_IS_VALID (buf)) {
|
|
block_duration = gst_util_uint64_scale (GST_BUFFER_DURATION (buf),
|
|
1, mux->time_scale);
|
|
|
|
/* small difference should be ok. */
|
|
if (block_duration > collect_pad->default_duration_scaled + 1 ||
|
|
block_duration < collect_pad->default_duration_scaled - 1) {
|
|
write_duration = TRUE;
|
|
}
|
|
}
|
|
|
|
/* write the block, for doctype v2 use SimpleBlock if possible
|
|
* one slice (*breath*).
|
|
* FIXME: Need to do correct lacing! */
|
|
relative_timestamp64 = GST_BUFFER_TIMESTAMP (buf) - mux->cluster_time;
|
|
if (relative_timestamp64 >= 0) {
|
|
/* round the timestamp */
|
|
relative_timestamp64 += gst_util_uint64_scale (mux->time_scale, 1, 2);
|
|
} else {
|
|
/* round the timestamp */
|
|
relative_timestamp64 -= gst_util_uint64_scale (mux->time_scale, 1, 2);
|
|
}
|
|
relative_timestamp = gst_util_uint64_scale (relative_timestamp64, 1,
|
|
mux->time_scale);
|
|
if (mux->doctype_version > 1 && !write_duration) {
|
|
int flags =
|
|
GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT) ? 0 : 0x80;
|
|
|
|
hdr =
|
|
gst_matroska_mux_create_buffer_header (collect_pad->track,
|
|
relative_timestamp, flags);
|
|
gst_ebml_write_set_cache (ebml, 0x40);
|
|
gst_ebml_write_buffer_header (ebml, GST_MATROSKA_ID_SIMPLEBLOCK,
|
|
gst_buffer_get_size (buf) + gst_buffer_get_size (hdr));
|
|
gst_ebml_write_buffer (ebml, hdr);
|
|
gst_ebml_write_flush_cache (ebml, FALSE, GST_BUFFER_TIMESTAMP (buf));
|
|
gst_ebml_write_buffer (ebml, buf);
|
|
|
|
return gst_ebml_last_write_result (ebml);
|
|
} else {
|
|
gst_ebml_write_set_cache (ebml, gst_buffer_get_size (buf) * 2);
|
|
/* write and call order slightly unnatural,
|
|
* but avoids seek and minizes pushing */
|
|
blockgroup = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_BLOCKGROUP);
|
|
hdr =
|
|
gst_matroska_mux_create_buffer_header (collect_pad->track,
|
|
relative_timestamp, 0);
|
|
if (write_duration)
|
|
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_BLOCKDURATION, block_duration);
|
|
gst_ebml_write_buffer_header (ebml, GST_MATROSKA_ID_BLOCK,
|
|
gst_buffer_get_size (buf) + gst_buffer_get_size (hdr));
|
|
gst_ebml_write_buffer (ebml, hdr);
|
|
gst_ebml_write_master_finish_full (ebml, blockgroup,
|
|
gst_buffer_get_size (buf));
|
|
gst_ebml_write_flush_cache (ebml, FALSE, GST_BUFFER_TIMESTAMP (buf));
|
|
gst_ebml_write_buffer (ebml, buf);
|
|
|
|
return gst_ebml_last_write_result (ebml);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gst_matroska_mux_handle_buffer:
|
|
* @pads: #GstCollectPads2
|
|
* @uuser_data: #GstMatroskaMux
|
|
*
|
|
* Collectpads callback.
|
|
*
|
|
* Returns: #GstFlowReturn
|
|
*/
|
|
static GstFlowReturn
|
|
gst_matroska_mux_handle_buffer (GstCollectPads2 * pads, GstCollectData2 * data,
|
|
GstBuffer * buf, gpointer user_data)
|
|
{
|
|
GstMatroskaMux *mux = GST_MATROSKA_MUX (user_data);
|
|
GstEbmlWrite *ebml = mux->ebml_write;
|
|
GstMatroskaPad *best;
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
GST_DEBUG_OBJECT (mux, "Collected pads");
|
|
|
|
/* start with a header */
|
|
if (mux->state == GST_MATROSKA_MUX_STATE_START) {
|
|
if (mux->collect->data == NULL) {
|
|
GST_ELEMENT_ERROR (mux, STREAM, MUX, (NULL),
|
|
("No input streams configured"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
mux->state = GST_MATROSKA_MUX_STATE_HEADER;
|
|
gst_ebml_start_streamheader (ebml);
|
|
gst_matroska_mux_start (mux);
|
|
gst_matroska_mux_stop_streamheader (mux);
|
|
mux->state = GST_MATROSKA_MUX_STATE_DATA;
|
|
}
|
|
|
|
/* provided with stream to write from */
|
|
best = (GstMatroskaPad *) data;
|
|
|
|
/* if there is no best pad, we have reached EOS */
|
|
if (best == NULL) {
|
|
GST_DEBUG_OBJECT (mux, "No best pad finishing...");
|
|
if (!mux->streamable) {
|
|
gst_matroska_mux_finish (mux);
|
|
} else {
|
|
GST_DEBUG_OBJECT (mux, "... but streamable, nothing to finish");
|
|
}
|
|
gst_pad_push_event (mux->srcpad, gst_event_new_eos ());
|
|
ret = GST_FLOW_EOS;
|
|
goto exit;
|
|
}
|
|
|
|
/* if we have a best stream, should also have a buffer */
|
|
g_assert (buf);
|
|
|
|
GST_DEBUG_OBJECT (best->collect.pad, "best pad - buffer ts %"
|
|
GST_TIME_FORMAT " dur %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
|
|
GST_TIME_ARGS (GST_BUFFER_DURATION (buf)));
|
|
|
|
/* make note of first and last encountered timestamps, so we can calculate
|
|
* the actual duration later when we send an updated header on eos */
|
|
if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
|
|
GstClockTime start_ts = GST_BUFFER_TIMESTAMP (buf);
|
|
GstClockTime end_ts = start_ts;
|
|
|
|
if (GST_BUFFER_DURATION_IS_VALID (buf))
|
|
end_ts += GST_BUFFER_DURATION (buf);
|
|
else if (best->track->default_duration)
|
|
end_ts += best->track->default_duration;
|
|
|
|
if (!GST_CLOCK_TIME_IS_VALID (best->end_ts) || end_ts > best->end_ts)
|
|
best->end_ts = end_ts;
|
|
|
|
if (G_UNLIKELY (best->start_ts == GST_CLOCK_TIME_NONE ||
|
|
start_ts < best->start_ts))
|
|
best->start_ts = start_ts;
|
|
}
|
|
|
|
/* write one buffer */
|
|
ret = gst_matroska_mux_write_data (mux, best, buf);
|
|
|
|
exit:
|
|
return ret;
|
|
}
|
|
|
|
|
|
/**
|
|
* gst_matroska_mux_change_state:
|
|
* @element: #GstMatroskaMux
|
|
* @transition: State change transition.
|
|
*
|
|
* Change the muxer state.
|
|
*
|
|
* Returns: #GstStateChangeReturn
|
|
*/
|
|
static GstStateChangeReturn
|
|
gst_matroska_mux_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstStateChangeReturn ret;
|
|
GstMatroskaMux *mux = GST_MATROSKA_MUX (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
gst_collect_pads2_start (mux->collect);
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
gst_collect_pads2_stop (mux->collect);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
gst_matroska_mux_reset (GST_ELEMENT (mux));
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_matroska_mux_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstMatroskaMux *mux;
|
|
|
|
g_return_if_fail (GST_IS_MATROSKA_MUX (object));
|
|
mux = GST_MATROSKA_MUX (object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_WRITING_APP:
|
|
if (!g_value_get_string (value)) {
|
|
GST_WARNING_OBJECT (mux, "writing-app property can not be NULL");
|
|
break;
|
|
}
|
|
g_free (mux->writing_app);
|
|
mux->writing_app = g_value_dup_string (value);
|
|
break;
|
|
case ARG_DOCTYPE_VERSION:
|
|
mux->doctype_version = g_value_get_int (value);
|
|
break;
|
|
case ARG_MIN_INDEX_INTERVAL:
|
|
mux->min_index_interval = g_value_get_int64 (value);
|
|
break;
|
|
case ARG_STREAMABLE:
|
|
mux->streamable = g_value_get_boolean (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_matroska_mux_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstMatroskaMux *mux;
|
|
|
|
g_return_if_fail (GST_IS_MATROSKA_MUX (object));
|
|
mux = GST_MATROSKA_MUX (object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_WRITING_APP:
|
|
g_value_set_string (value, mux->writing_app);
|
|
break;
|
|
case ARG_DOCTYPE_VERSION:
|
|
g_value_set_int (value, mux->doctype_version);
|
|
break;
|
|
case ARG_MIN_INDEX_INTERVAL:
|
|
g_value_set_int64 (value, mux->min_index_interval);
|
|
break;
|
|
case ARG_STREAMABLE:
|
|
g_value_set_boolean (value, mux->streamable);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|