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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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c28613d8db
This writes out the optional 'btrt' atom (MPEG4BitrateBox) for H.264 media if either or both of average and maximum bitrate are available for the stream. https://bugzilla.gnome.org/show_bug.cgi?id=623678
2819 lines
86 KiB
C
2819 lines
86 KiB
C
/* Quicktime muxer plugin for GStreamer
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* Copyright (C) 2008-2010 Thiago Santos <thiagoss@embedded.ufcg.edu.br>
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* Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
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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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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/**
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* SECTION:gstqtmux
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* @short_description: Muxer for quicktime(.mov) files
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*
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* <refsect2>
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* <para>
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* This element merges streams (audio and video) into qt(.mov) files.
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* </para>
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* <title>Example pipelines</title>
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* <para>
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* <programlisting>
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* gst-launch v4l2src num-buffers=500 ! video/x-raw-yuv,width=320,height=240 ! ffmpegcolorspace ! qtmux ! filesink location=video.mov
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* </programlisting>
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* Records a video stream captured from a v4l2 device and muxes it into a qt file.
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* </para>
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* </refsect2>
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*
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* Last reviewed on 2008-08-27
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*/
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/*
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* Based on avimux
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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 <glib/gstdio.h>
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#include <gst/gst.h>
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#include <gst/base/gstcollectpads.h>
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#include <sys/types.h>
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#ifdef G_OS_WIN32
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#include <io.h> /* lseek, open, close, read */
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#undef lseek
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#define lseek _lseeki64
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#undef off_t
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#define off_t guint64
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "gstqtmux.h"
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GST_DEBUG_CATEGORY_STATIC (gst_qt_mux_debug);
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#define GST_CAT_DEFAULT gst_qt_mux_debug
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/* QTMux signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_LARGE_FILE,
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PROP_MOVIE_TIMESCALE,
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PROP_DO_CTTS,
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PROP_FLAVOR,
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PROP_FAST_START,
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PROP_FAST_START_TEMP_FILE,
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PROP_MOOV_RECOV_FILE
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};
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/* some spare for header size as well */
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#define MDAT_LARGE_FILE_LIMIT ((guint64) 1024 * 1024 * 1024 * 2)
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#define MAX_TOLERATED_LATENESS (GST_SECOND / 10)
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#define DEFAULT_LARGE_FILE FALSE
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#define DEFAULT_MOVIE_TIMESCALE 1000
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#define DEFAULT_DO_CTTS FALSE
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#define DEFAULT_FAST_START FALSE
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#define DEFAULT_FAST_START_TEMP_FILE NULL
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#define DEFAULT_MOOV_RECOV_FILE NULL
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static void gst_qt_mux_finalize (GObject * object);
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static GstStateChangeReturn gst_qt_mux_change_state (GstElement * element,
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GstStateChange transition);
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/* property functions */
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static void gst_qt_mux_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_qt_mux_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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/* pad functions */
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static GstPad *gst_qt_mux_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name);
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static void gst_qt_mux_release_pad (GstElement * element, GstPad * pad);
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/* event */
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static gboolean gst_qt_mux_sink_event (GstPad * pad, GstEvent * event);
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static GstFlowReturn gst_qt_mux_collected (GstCollectPads * pads,
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gpointer user_data);
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static GstFlowReturn gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad,
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GstBuffer * buf);
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static GstElementClass *parent_class = NULL;
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static void
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gst_qt_mux_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GstQTMuxClass *klass = (GstQTMuxClass *) g_class;
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GstQTMuxClassParams *params;
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GstPadTemplate *videosinktempl, *audiosinktempl, *srctempl;
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gchar *longname, *description;
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params =
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(GstQTMuxClassParams *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
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GST_QT_MUX_PARAMS_QDATA);
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g_assert (params != NULL);
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/* construct the element details struct */
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longname = g_strdup_printf ("%s Muxer", params->prop->long_name);
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description = g_strdup_printf ("Multiplex audio and video into a %s file",
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params->prop->long_name);
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gst_element_class_set_details_simple (element_class, longname,
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"Codec/Muxer", description,
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"Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>");
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g_free (longname);
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g_free (description);
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/* pad templates */
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srctempl = gst_pad_template_new ("src", GST_PAD_SRC,
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GST_PAD_ALWAYS, params->src_caps);
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gst_element_class_add_pad_template (element_class, srctempl);
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if (params->audio_sink_caps) {
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audiosinktempl = gst_pad_template_new ("audio_%d",
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GST_PAD_SINK, GST_PAD_REQUEST, params->audio_sink_caps);
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gst_element_class_add_pad_template (element_class, audiosinktempl);
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}
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if (params->video_sink_caps) {
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videosinktempl = gst_pad_template_new ("video_%d",
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GST_PAD_SINK, GST_PAD_REQUEST, params->video_sink_caps);
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gst_element_class_add_pad_template (element_class, videosinktempl);
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}
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klass->format = params->prop->format;
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}
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static void
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gst_qt_mux_class_init (GstQTMuxClass * 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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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = gst_qt_mux_finalize;
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gobject_class->get_property = gst_qt_mux_get_property;
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gobject_class->set_property = gst_qt_mux_set_property;
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g_object_class_install_property (gobject_class, PROP_LARGE_FILE,
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g_param_spec_boolean ("large-file", "Support for large files",
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"Uses 64bits to some fields instead of 32bits, "
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"providing support for large files",
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DEFAULT_LARGE_FILE, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_MOVIE_TIMESCALE,
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g_param_spec_uint ("movie-timescale", "Movie timescale",
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"Timescale to use in the movie (units per second)",
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1, G_MAXUINT32, DEFAULT_MOVIE_TIMESCALE,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_DO_CTTS,
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g_param_spec_boolean ("presentation-time",
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"Include presentation-time info",
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"Calculate and include presentation/composition time "
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"(in addition to decoding time) (use with caution)",
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DEFAULT_DO_CTTS, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_FAST_START,
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g_param_spec_boolean ("faststart", "Format file to faststart",
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"If the file should be formated for faststart (headers first). ",
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DEFAULT_FAST_START, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_FAST_START_TEMP_FILE,
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g_param_spec_string ("faststart-file", "File to use for storing buffers",
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"File that will be used temporarily to store data from the stream "
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"when creating a faststart file. If null a filepath will be "
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"created automatically", DEFAULT_FAST_START_TEMP_FILE,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_MOOV_RECOV_FILE,
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g_param_spec_string ("moov-recovery-file", "File to store data for "
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"posterior moov atom recovery", "File to be used to store "
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"data for moov atom making movie file recovery possible in case "
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"of a crash during muxing. Null for disabled. (Experimental)",
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DEFAULT_MOOV_RECOV_FILE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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gstelement_class->request_new_pad =
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GST_DEBUG_FUNCPTR (gst_qt_mux_request_new_pad);
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gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_qt_mux_change_state);
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gstelement_class->release_pad = GST_DEBUG_FUNCPTR (gst_qt_mux_release_pad);
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}
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static void
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gst_qt_mux_pad_reset (GstQTPad * qtpad)
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{
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qtpad->fourcc = 0;
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qtpad->is_out_of_order = FALSE;
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qtpad->have_dts = FALSE;
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qtpad->sample_size = 0;
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qtpad->sync = FALSE;
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qtpad->last_dts = 0;
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qtpad->first_ts = GST_CLOCK_TIME_NONE;
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qtpad->prepare_buf_func = NULL;
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qtpad->avg_bitrate = 0;
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qtpad->max_bitrate = 0;
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if (qtpad->last_buf)
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gst_buffer_replace (&qtpad->last_buf, NULL);
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/* reference owned elsewhere */
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qtpad->trak = NULL;
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}
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/*
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* Takes GstQTMux back to its initial state
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*/
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static void
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gst_qt_mux_reset (GstQTMux * qtmux, gboolean alloc)
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{
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GSList *walk;
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qtmux->state = GST_QT_MUX_STATE_NONE;
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qtmux->header_size = 0;
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qtmux->mdat_size = 0;
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qtmux->mdat_pos = 0;
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qtmux->longest_chunk = GST_CLOCK_TIME_NONE;
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qtmux->video_pads = 0;
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qtmux->audio_pads = 0;
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if (qtmux->ftyp) {
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atom_ftyp_free (qtmux->ftyp);
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qtmux->ftyp = NULL;
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}
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if (qtmux->moov) {
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atom_moov_free (qtmux->moov);
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qtmux->moov = NULL;
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}
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if (qtmux->fast_start_file) {
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fclose (qtmux->fast_start_file);
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qtmux->fast_start_file = NULL;
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}
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if (qtmux->moov_recov_file) {
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fclose (qtmux->moov_recov_file);
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qtmux->moov_recov_file = NULL;
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}
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GST_OBJECT_LOCK (qtmux);
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gst_tag_setter_reset_tags (GST_TAG_SETTER (qtmux));
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GST_OBJECT_UNLOCK (qtmux);
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/* reset pad data */
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for (walk = qtmux->sinkpads; walk; walk = g_slist_next (walk)) {
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GstQTPad *qtpad = (GstQTPad *) walk->data;
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gst_qt_mux_pad_reset (qtpad);
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/* hm, moov_free above yanked the traks away from us,
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* so do not free, but do clear */
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qtpad->trak = NULL;
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}
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if (alloc) {
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qtmux->moov = atom_moov_new (qtmux->context);
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/* ensure all is as nice and fresh as request_new_pad would provide it */
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for (walk = qtmux->sinkpads; walk; walk = g_slist_next (walk)) {
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GstQTPad *qtpad = (GstQTPad *) walk->data;
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qtpad->trak = atom_trak_new (qtmux->context);
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atom_moov_add_trak (qtmux->moov, qtpad->trak);
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}
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}
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}
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static void
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gst_qt_mux_init (GstQTMux * qtmux, GstQTMuxClass * qtmux_klass)
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{
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GstElementClass *klass = GST_ELEMENT_CLASS (qtmux_klass);
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GstPadTemplate *templ;
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GstCaps *caps;
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templ = gst_element_class_get_pad_template (klass, "src");
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qtmux->srcpad = gst_pad_new_from_template (templ, "src");
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caps = gst_caps_copy (gst_pad_get_pad_template_caps (qtmux->srcpad));
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gst_pad_set_caps (qtmux->srcpad, caps);
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gst_caps_unref (caps);
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gst_pad_use_fixed_caps (qtmux->srcpad);
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gst_element_add_pad (GST_ELEMENT (qtmux), qtmux->srcpad);
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qtmux->sinkpads = NULL;
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qtmux->collect = gst_collect_pads_new ();
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gst_collect_pads_set_function (qtmux->collect,
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(GstCollectPadsFunction) GST_DEBUG_FUNCPTR (gst_qt_mux_collected), qtmux);
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/* properties set to default upon construction */
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/* always need this */
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qtmux->context =
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atoms_context_new (gst_qt_mux_map_format_to_flavor (qtmux_klass->format));
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/* internals to initial state */
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gst_qt_mux_reset (qtmux, TRUE);
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}
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static void
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gst_qt_mux_finalize (GObject * object)
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{
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GstQTMux *qtmux = GST_QT_MUX_CAST (object);
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gst_qt_mux_reset (qtmux, FALSE);
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g_free (qtmux->fast_start_file_path);
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g_free (qtmux->moov_recov_file_path);
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atoms_context_free (qtmux->context);
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gst_object_unref (qtmux->collect);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static GstBuffer *
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gst_qt_mux_prepare_jpc_buffer (GstQTPad * qtpad, GstBuffer * buf,
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GstQTMux * qtmux)
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{
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GstBuffer *newbuf;
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GST_LOG_OBJECT (qtmux, "Preparing jpc buffer");
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if (buf == NULL)
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return NULL;
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newbuf = gst_buffer_new_and_alloc (GST_BUFFER_SIZE (buf) + 8);
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gst_buffer_copy_metadata (newbuf, buf, GST_BUFFER_COPY_ALL);
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GST_WRITE_UINT32_BE (GST_BUFFER_DATA (newbuf), GST_BUFFER_SIZE (newbuf));
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GST_WRITE_UINT32_LE (GST_BUFFER_DATA (newbuf) + 4, FOURCC_jp2c);
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memcpy (GST_BUFFER_DATA (newbuf) + 8, GST_BUFFER_DATA (buf),
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GST_BUFFER_SIZE (buf));
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gst_buffer_unref (buf);
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return newbuf;
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}
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static void
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gst_qt_mux_add_mp4_tag (GstQTMux * qtmux, const GstTagList * list,
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const char *tag, const char *tag2, guint32 fourcc)
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{
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switch (gst_tag_get_type (tag)) {
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/* strings */
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case G_TYPE_STRING:
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{
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gchar *str = NULL;
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if (!gst_tag_list_get_string (list, tag, &str) || !str)
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break;
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GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
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GST_FOURCC_ARGS (fourcc), str);
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atom_moov_add_str_tag (qtmux->moov, fourcc, str);
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g_free (str);
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break;
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}
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/* double */
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case G_TYPE_DOUBLE:
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{
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gdouble value;
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if (!gst_tag_list_get_double (list, tag, &value))
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break;
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GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u",
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GST_FOURCC_ARGS (fourcc), (gint) value);
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atom_moov_add_uint_tag (qtmux->moov, fourcc, 21, (gint) value);
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break;
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}
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case G_TYPE_UINT:
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{
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guint value = 0;
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if (tag2) {
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/* paired unsigned integers */
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guint count = 0;
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if (!(gst_tag_list_get_uint (list, tag, &value) ||
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gst_tag_list_get_uint (list, tag2, &count)))
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break;
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GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u/%u",
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GST_FOURCC_ARGS (fourcc), value, count);
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atom_moov_add_uint_tag (qtmux->moov, fourcc, 0,
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value << 16 | (count & 0xFFFF));
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} else {
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/* unpaired unsigned integers */
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if (!gst_tag_list_get_uint (list, tag, &value))
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break;
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GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u",
|
|
GST_FOURCC_ARGS (fourcc), value);
|
|
atom_moov_add_uint_tag (qtmux->moov, fourcc, 1, value);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
g_assert_not_reached ();
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_mp4_date (GstQTMux * qtmux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc)
|
|
{
|
|
GDate *date = NULL;
|
|
GDateYear year;
|
|
GDateMonth month;
|
|
GDateDay day;
|
|
gchar *str;
|
|
|
|
g_return_if_fail (gst_tag_get_type (tag) == GST_TYPE_DATE);
|
|
|
|
if (!gst_tag_list_get_date (list, tag, &date) || !date)
|
|
return;
|
|
|
|
year = g_date_get_year (date);
|
|
month = g_date_get_month (date);
|
|
day = g_date_get_day (date);
|
|
|
|
if (year == G_DATE_BAD_YEAR && month == G_DATE_BAD_MONTH &&
|
|
day == G_DATE_BAD_DAY) {
|
|
GST_WARNING_OBJECT (qtmux, "invalid date in tag");
|
|
return;
|
|
}
|
|
|
|
str = g_strdup_printf ("%u-%u-%u", year, month, day);
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
|
|
GST_FOURCC_ARGS (fourcc), str);
|
|
atom_moov_add_str_tag (qtmux->moov, fourcc, str);
|
|
g_free (str);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_mp4_cover (GstQTMux * qtmux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc)
|
|
{
|
|
GValue value = { 0, };
|
|
GstBuffer *buf;
|
|
GstCaps *caps;
|
|
GstStructure *structure;
|
|
gint flags = 0;
|
|
|
|
g_return_if_fail (gst_tag_get_type (tag) == GST_TYPE_BUFFER);
|
|
|
|
if (!gst_tag_list_copy_value (&value, list, tag))
|
|
return;
|
|
|
|
buf = gst_value_get_buffer (&value);
|
|
if (!buf)
|
|
goto done;
|
|
|
|
caps = gst_buffer_get_caps (buf);
|
|
if (!caps) {
|
|
GST_WARNING_OBJECT (qtmux, "preview image without caps");
|
|
goto done;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "preview image caps %" GST_PTR_FORMAT, caps);
|
|
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
if (gst_structure_has_name (structure, "image/jpeg"))
|
|
flags = 13;
|
|
else if (gst_structure_has_name (structure, "image/png"))
|
|
flags = 14;
|
|
gst_caps_unref (caps);
|
|
|
|
if (!flags) {
|
|
GST_WARNING_OBJECT (qtmux, "preview image format not supported");
|
|
goto done;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT
|
|
" -> image size %d", GST_FOURCC_ARGS (fourcc), GST_BUFFER_SIZE (buf));
|
|
atom_moov_add_tag (qtmux->moov, fourcc, flags, GST_BUFFER_DATA (buf),
|
|
GST_BUFFER_SIZE (buf));
|
|
done:
|
|
g_value_unset (&value);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_3gp_str (GstQTMux * qtmux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc)
|
|
{
|
|
gchar *str = NULL;
|
|
guint number;
|
|
|
|
g_return_if_fail (gst_tag_get_type (tag) == G_TYPE_STRING);
|
|
g_return_if_fail (!tag2 || gst_tag_get_type (tag2) == G_TYPE_UINT);
|
|
|
|
if (!gst_tag_list_get_string (list, tag, &str) || !str)
|
|
return;
|
|
|
|
if (tag2)
|
|
if (!gst_tag_list_get_uint (list, tag2, &number))
|
|
tag2 = NULL;
|
|
|
|
if (!tag2) {
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
|
|
GST_FOURCC_ARGS (fourcc), str);
|
|
atom_moov_add_3gp_str_tag (qtmux->moov, fourcc, str);
|
|
} else {
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s/%d",
|
|
GST_FOURCC_ARGS (fourcc), str, number);
|
|
atom_moov_add_3gp_str_int_tag (qtmux->moov, fourcc, str, number);
|
|
}
|
|
|
|
g_free (str);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_3gp_date (GstQTMux * qtmux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc)
|
|
{
|
|
GDate *date = NULL;
|
|
GDateYear year;
|
|
|
|
g_return_if_fail (gst_tag_get_type (tag) == GST_TYPE_DATE);
|
|
|
|
if (!gst_tag_list_get_date (list, tag, &date) || !date)
|
|
return;
|
|
|
|
year = g_date_get_year (date);
|
|
|
|
if (year == G_DATE_BAD_YEAR) {
|
|
GST_WARNING_OBJECT (qtmux, "invalid date in tag");
|
|
return;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %d",
|
|
GST_FOURCC_ARGS (fourcc), year);
|
|
atom_moov_add_3gp_uint_tag (qtmux->moov, fourcc, year);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_3gp_location (GstQTMux * qtmux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc)
|
|
{
|
|
gdouble latitude = -360, longitude = -360, altitude = 0;
|
|
gchar *location = NULL;
|
|
guint8 *data, *ddata;
|
|
gint size = 0, len = 0;
|
|
gboolean ret = FALSE;
|
|
|
|
g_return_if_fail (strcmp (tag, GST_TAG_GEO_LOCATION_NAME) == 0);
|
|
|
|
ret = gst_tag_list_get_string (list, tag, &location);
|
|
ret |= gst_tag_list_get_double (list, GST_TAG_GEO_LOCATION_LONGITUDE,
|
|
&longitude);
|
|
ret |= gst_tag_list_get_double (list, GST_TAG_GEO_LOCATION_LATITUDE,
|
|
&latitude);
|
|
ret |= gst_tag_list_get_double (list, GST_TAG_GEO_LOCATION_ELEVATION,
|
|
&altitude);
|
|
|
|
if (!ret)
|
|
return;
|
|
|
|
if (location)
|
|
len = strlen (location);
|
|
size += len + 1 + 2;
|
|
|
|
/* role + (long, lat, alt) + body + notes */
|
|
size += 1 + 3 * 4 + 1 + 1;
|
|
|
|
data = ddata = g_malloc (size);
|
|
|
|
/* language tag */
|
|
GST_WRITE_UINT16_BE (data, language_code (GST_QT_MUX_DEFAULT_TAG_LANGUAGE));
|
|
/* location */
|
|
if (location)
|
|
memcpy (data + 2, location, len);
|
|
GST_WRITE_UINT8 (data + 2 + len, 0);
|
|
data += len + 1 + 2;
|
|
/* role */
|
|
GST_WRITE_UINT8 (data, 0);
|
|
/* long, lat, alt */
|
|
GST_WRITE_UINT32_BE (data + 1, (guint32) (longitude * 65536.0));
|
|
GST_WRITE_UINT32_BE (data + 5, (guint32) (latitude * 65536.0));
|
|
GST_WRITE_UINT32_BE (data + 9, (guint32) (altitude * 65536.0));
|
|
/* neither astronomical body nor notes */
|
|
GST_WRITE_UINT16_BE (data + 13, 0);
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag 'loci'");
|
|
atom_moov_add_3gp_tag (qtmux->moov, fourcc, ddata, size);
|
|
g_free (ddata);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_3gp_keywords (GstQTMux * qtmux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc)
|
|
{
|
|
gchar *keywords = NULL;
|
|
guint8 *data, *ddata;
|
|
gint size = 0, i;
|
|
gchar **kwds;
|
|
|
|
g_return_if_fail (strcmp (tag, GST_TAG_KEYWORDS) == 0);
|
|
|
|
if (!gst_tag_list_get_string (list, tag, &keywords) || !keywords)
|
|
return;
|
|
|
|
kwds = g_strsplit (keywords, ",", 0);
|
|
|
|
size = 0;
|
|
for (i = 0; kwds[i]; i++) {
|
|
/* size byte + null-terminator */
|
|
size += strlen (kwds[i]) + 1 + 1;
|
|
}
|
|
|
|
/* language tag + count + keywords */
|
|
size += 2 + 1;
|
|
|
|
data = ddata = g_malloc (size);
|
|
|
|
/* language tag */
|
|
GST_WRITE_UINT16_BE (data, language_code (GST_QT_MUX_DEFAULT_TAG_LANGUAGE));
|
|
/* count */
|
|
GST_WRITE_UINT8 (data + 2, i);
|
|
data += 3;
|
|
/* keywords */
|
|
for (i = 0; kwds[i]; ++i) {
|
|
gint len = strlen (kwds[i]);
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
|
|
GST_FOURCC_ARGS (fourcc), kwds[i]);
|
|
/* size */
|
|
GST_WRITE_UINT8 (data, len + 1);
|
|
memcpy (data + 1, kwds[i], len + 1);
|
|
data += len + 2;
|
|
}
|
|
|
|
g_strfreev (kwds);
|
|
|
|
atom_moov_add_3gp_tag (qtmux->moov, fourcc, ddata, size);
|
|
g_free (ddata);
|
|
}
|
|
|
|
static gboolean
|
|
gst_qt_mux_parse_classification_string (GstQTMux * qtmux, const gchar * input,
|
|
guint32 * p_fourcc, guint16 * p_table, gchar ** p_content)
|
|
{
|
|
guint32 fourcc;
|
|
gint table;
|
|
gint size;
|
|
const gchar *data;
|
|
|
|
data = input;
|
|
size = strlen (input);
|
|
|
|
if (size < 4 + 3 + 1 + 1 + 1) {
|
|
/* at least the minimum xxxx://y/z */
|
|
GST_WARNING_OBJECT (qtmux, "Classification tag input (%s) too short, "
|
|
"ignoring", input);
|
|
return FALSE;
|
|
}
|
|
|
|
/* read the fourcc */
|
|
memcpy (&fourcc, data, 4);
|
|
size -= 4;
|
|
data += 4;
|
|
|
|
if (strncmp (data, "://", 3) != 0) {
|
|
goto mismatch;
|
|
}
|
|
data += 3;
|
|
size -= 3;
|
|
|
|
/* read the table number */
|
|
if (sscanf (data, "%d", &table) != 1) {
|
|
goto mismatch;
|
|
}
|
|
if (table < 0) {
|
|
GST_WARNING_OBJECT (qtmux, "Invalid table number in classification tag (%d)"
|
|
", table numbers should be positive, ignoring tag", table);
|
|
return FALSE;
|
|
}
|
|
|
|
/* find the next / */
|
|
while (size > 0 && data[0] != '/') {
|
|
data += 1;
|
|
size -= 1;
|
|
}
|
|
if (size == 0) {
|
|
goto mismatch;
|
|
}
|
|
g_assert (data[0] == '/');
|
|
|
|
/* skip the '/' */
|
|
data += 1;
|
|
size -= 1;
|
|
if (size == 0) {
|
|
goto mismatch;
|
|
}
|
|
|
|
/* read up the rest of the string */
|
|
*p_content = g_strdup (data);
|
|
*p_table = (guint16) table;
|
|
*p_fourcc = fourcc;
|
|
return TRUE;
|
|
|
|
mismatch:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux, "Ignoring classification tag as "
|
|
"input (%s) didn't match the expected entitycode://table/content",
|
|
input);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_3gp_classification (GstQTMux * qtmux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc)
|
|
{
|
|
gchar *clsf_data = NULL;
|
|
gint size = 0;
|
|
guint32 entity = 0;
|
|
guint16 table = 0;
|
|
gchar *content = NULL;
|
|
guint8 *data;
|
|
|
|
g_return_if_fail (strcmp (tag, GST_TAG_3GP_CLASSIFICATION) == 0);
|
|
|
|
if (!gst_tag_list_get_string (list, tag, &clsf_data) || !clsf_data)
|
|
return;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
|
|
GST_FOURCC_ARGS (fourcc), clsf_data);
|
|
|
|
/* parse the string, format is:
|
|
* entityfourcc://table/content
|
|
*/
|
|
gst_qt_mux_parse_classification_string (qtmux, clsf_data, &entity, &table,
|
|
&content);
|
|
g_free (clsf_data);
|
|
/* +1 for the \0 */
|
|
size = strlen (content) + 1;
|
|
|
|
/* now we have everything, build the atom
|
|
* atom description is at 3GPP TS 26.244 V8.2.0 (2009-09) */
|
|
data = g_malloc (4 + 2 + 2 + size);
|
|
GST_WRITE_UINT32_LE (data, entity);
|
|
GST_WRITE_UINT16_BE (data + 4, (guint16) table);
|
|
GST_WRITE_UINT16_BE (data + 6, 0);
|
|
memcpy (data + 8, content, size);
|
|
g_free (content);
|
|
|
|
atom_moov_add_3gp_tag (qtmux->moov, fourcc, data, 4 + 2 + 2 + size);
|
|
g_free (data);
|
|
}
|
|
|
|
typedef void (*GstQTMuxAddTagFunc) (GstQTMux * mux, const GstTagList * list,
|
|
const char *tag, const char *tag2, guint32 fourcc);
|
|
|
|
/*
|
|
* Struct to record mappings from gstreamer tags to fourcc codes
|
|
*/
|
|
typedef struct _GstTagToFourcc
|
|
{
|
|
guint32 fourcc;
|
|
const gchar *gsttag;
|
|
const gchar *gsttag2;
|
|
const GstQTMuxAddTagFunc func;
|
|
} GstTagToFourcc;
|
|
|
|
/* tag list tags to fourcc matching */
|
|
static const GstTagToFourcc tag_matches_mp4[] = {
|
|
{FOURCC__alb, GST_TAG_ALBUM, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_soal, GST_TAG_ALBUM_SORTNAME, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__ART, GST_TAG_ARTIST, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_soar, GST_TAG_ARTIST_SORTNAME, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_aART, GST_TAG_ALBUM_ARTIST, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_soaa, GST_TAG_ALBUM_ARTIST_SORTNAME, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__cmt, GST_TAG_COMMENT, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__wrt, GST_TAG_COMPOSER, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_soco, GST_TAG_COMPOSER_SORTNAME, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_tvsh, GST_TAG_SHOW_NAME, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_sosn, GST_TAG_SHOW_SORTNAME, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_tvsn, GST_TAG_SHOW_SEASON_NUMBER, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_tves, GST_TAG_SHOW_EPISODE_NUMBER, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__gen, GST_TAG_GENRE, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__nam, GST_TAG_TITLE, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_sonm, GST_TAG_TITLE_SORTNAME, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_perf, GST_TAG_PERFORMER, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__grp, GST_TAG_GROUPING, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__des, GST_TAG_DESCRIPTION, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__lyr, GST_TAG_LYRICS, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__too, GST_TAG_ENCODER, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_cprt, GST_TAG_COPYRIGHT, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_keyw, GST_TAG_KEYWORDS, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC__day, GST_TAG_DATE, NULL, gst_qt_mux_add_mp4_date},
|
|
{FOURCC_tmpo, GST_TAG_BEATS_PER_MINUTE, NULL, gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_trkn, GST_TAG_TRACK_NUMBER, GST_TAG_TRACK_COUNT,
|
|
gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_disk, GST_TAG_ALBUM_VOLUME_NUMBER, GST_TAG_ALBUM_VOLUME_COUNT,
|
|
gst_qt_mux_add_mp4_tag},
|
|
{FOURCC_covr, GST_TAG_PREVIEW_IMAGE, NULL, gst_qt_mux_add_mp4_cover},
|
|
{0, NULL,}
|
|
};
|
|
|
|
static const GstTagToFourcc tag_matches_3gp[] = {
|
|
{FOURCC_titl, GST_TAG_TITLE, NULL, gst_qt_mux_add_3gp_str},
|
|
{FOURCC_dscp, GST_TAG_DESCRIPTION, NULL, gst_qt_mux_add_3gp_str},
|
|
{FOURCC_cprt, GST_TAG_COPYRIGHT, NULL, gst_qt_mux_add_3gp_str},
|
|
{FOURCC_perf, GST_TAG_ARTIST, NULL, gst_qt_mux_add_3gp_str},
|
|
{FOURCC_auth, GST_TAG_COMPOSER, NULL, gst_qt_mux_add_3gp_str},
|
|
{FOURCC_gnre, GST_TAG_GENRE, NULL, gst_qt_mux_add_3gp_str},
|
|
{FOURCC_kywd, GST_TAG_KEYWORDS, NULL, gst_qt_mux_add_3gp_keywords},
|
|
{FOURCC_yrrc, GST_TAG_DATE, NULL, gst_qt_mux_add_3gp_date},
|
|
{FOURCC_albm, GST_TAG_ALBUM, GST_TAG_TRACK_NUMBER, gst_qt_mux_add_3gp_str},
|
|
{FOURCC_loci, GST_TAG_GEO_LOCATION_NAME, NULL, gst_qt_mux_add_3gp_location},
|
|
{FOURCC_clsf, GST_TAG_3GP_CLASSIFICATION, NULL,
|
|
gst_qt_mux_add_3gp_classification},
|
|
{0, NULL,}
|
|
};
|
|
|
|
/* qtdemux produces these for atoms it cannot parse */
|
|
#define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"
|
|
|
|
static void
|
|
gst_qt_mux_add_xmp_tags (GstQTMux * qtmux, const GstTagList * list)
|
|
{
|
|
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
|
|
/* adobe specs only say 'quicktime', but I guess we can extrapolate to
|
|
* mp4 and gpp. Keep mj2 out for now as we don't add any tags for it yet.
|
|
* If you have further info about xmp on these formats, please share */
|
|
if (qtmux_klass->format == GST_QT_MUX_FORMAT_MJ2)
|
|
return;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Adding xmp tags");
|
|
|
|
atom_moov_add_xmp_tags (qtmux->moov, list);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_add_metadata_tags (GstQTMux * qtmux, const GstTagList * list)
|
|
{
|
|
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
guint32 fourcc;
|
|
gint i;
|
|
const gchar *tag, *tag2;
|
|
const GstTagToFourcc *tag_matches;
|
|
|
|
switch (qtmux_klass->format) {
|
|
case GST_QT_MUX_FORMAT_3GP:
|
|
tag_matches = tag_matches_3gp;
|
|
break;
|
|
case GST_QT_MUX_FORMAT_MJ2:
|
|
tag_matches = NULL;
|
|
break;
|
|
default:
|
|
/* sort of iTunes style for mp4 and QT (?) */
|
|
tag_matches = tag_matches_mp4;
|
|
break;
|
|
}
|
|
|
|
if (!tag_matches)
|
|
return;
|
|
|
|
for (i = 0; tag_matches[i].fourcc; i++) {
|
|
fourcc = tag_matches[i].fourcc;
|
|
tag = tag_matches[i].gsttag;
|
|
tag2 = tag_matches[i].gsttag2;
|
|
|
|
g_assert (tag_matches[i].func);
|
|
tag_matches[i].func (qtmux, list, tag, tag2, fourcc);
|
|
}
|
|
|
|
/* add unparsed blobs if present */
|
|
if (gst_tag_exists (GST_QT_DEMUX_PRIVATE_TAG)) {
|
|
guint num_tags;
|
|
|
|
num_tags = gst_tag_list_get_tag_size (list, GST_QT_DEMUX_PRIVATE_TAG);
|
|
for (i = 0; i < num_tags; ++i) {
|
|
const GValue *val;
|
|
GstBuffer *buf;
|
|
GstCaps *caps = NULL;
|
|
|
|
val = gst_tag_list_get_value_index (list, GST_QT_DEMUX_PRIVATE_TAG, i);
|
|
buf = (GstBuffer *) gst_value_get_mini_object (val);
|
|
|
|
if (buf && (caps = gst_buffer_get_caps (buf))) {
|
|
GstStructure *s;
|
|
const gchar *style = NULL;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Found private tag %d/%d; size %d, caps %"
|
|
GST_PTR_FORMAT, i, num_tags, GST_BUFFER_SIZE (buf), caps);
|
|
s = gst_caps_get_structure (caps, 0);
|
|
if (s && (style = gst_structure_get_string (s, "style"))) {
|
|
/* try to prevent some style tag ending up into another variant
|
|
* (todo: make into a list if more cases) */
|
|
if ((strcmp (style, "itunes") == 0 &&
|
|
qtmux_klass->format == GST_QT_MUX_FORMAT_MP4) ||
|
|
(strcmp (style, "iso") == 0 &&
|
|
qtmux_klass->format == GST_QT_MUX_FORMAT_3GP)) {
|
|
GST_DEBUG_OBJECT (qtmux, "Adding private tag");
|
|
atom_moov_add_blob_tag (qtmux->moov, GST_BUFFER_DATA (buf),
|
|
GST_BUFFER_SIZE (buf));
|
|
}
|
|
}
|
|
gst_caps_unref (caps);
|
|
}
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Gets the tagsetter iface taglist and puts the known tags
|
|
* into the output stream
|
|
*/
|
|
static void
|
|
gst_qt_mux_setup_metadata (GstQTMux * qtmux)
|
|
{
|
|
const GstTagList *tags;
|
|
|
|
GST_OBJECT_LOCK (qtmux);
|
|
tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (qtmux));
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
|
|
GST_LOG_OBJECT (qtmux, "tags: %" GST_PTR_FORMAT, tags);
|
|
|
|
if (tags && !gst_tag_list_is_empty (tags)) {
|
|
GstTagList *copy = gst_tag_list_copy (tags);
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Removing bogus tags");
|
|
gst_tag_list_remove_tag (copy, GST_TAG_VIDEO_CODEC);
|
|
gst_tag_list_remove_tag (copy, GST_TAG_AUDIO_CODEC);
|
|
gst_tag_list_remove_tag (copy, GST_TAG_CONTAINER_FORMAT);
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Formatting tags");
|
|
gst_qt_mux_add_metadata_tags (qtmux, copy);
|
|
gst_qt_mux_add_xmp_tags (qtmux, copy);
|
|
gst_tag_list_free (copy);
|
|
} else {
|
|
GST_DEBUG_OBJECT (qtmux, "No tags received");
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_qt_mux_send_buffer (GstQTMux * qtmux, GstBuffer * buf, guint64 * offset,
|
|
gboolean mind_fast)
|
|
{
|
|
GstFlowReturn res;
|
|
guint8 *data;
|
|
guint size;
|
|
|
|
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
|
|
|
|
data = GST_BUFFER_DATA (buf);
|
|
size = GST_BUFFER_SIZE (buf);
|
|
|
|
GST_LOG_OBJECT (qtmux, "sending buffer size %d", size);
|
|
|
|
if (mind_fast && qtmux->fast_start_file) {
|
|
gint ret;
|
|
|
|
GST_LOG_OBJECT (qtmux, "to temporary file");
|
|
ret = fwrite (data, sizeof (guint8), size, qtmux->fast_start_file);
|
|
gst_buffer_unref (buf);
|
|
if (ret != size)
|
|
goto write_error;
|
|
else
|
|
res = GST_FLOW_OK;
|
|
} else {
|
|
GST_LOG_OBJECT (qtmux, "downstream");
|
|
|
|
buf = gst_buffer_make_metadata_writable (buf);
|
|
gst_buffer_set_caps (buf, GST_PAD_CAPS (qtmux->srcpad));
|
|
res = gst_pad_push (qtmux->srcpad, buf);
|
|
}
|
|
|
|
if (G_LIKELY (offset))
|
|
*offset += size;
|
|
|
|
return res;
|
|
|
|
/* ERRORS */
|
|
write_error:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
|
|
("Failed to write to temporary file"), GST_ERROR_SYSTEM);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset)
|
|
{
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
GstBuffer *buf = NULL;
|
|
|
|
if (fflush (qtmux->fast_start_file))
|
|
goto flush_failed;
|
|
|
|
#ifdef HAVE_FSEEKO
|
|
if (fseeko (qtmux->fast_start_file, (off_t) 0, SEEK_SET) != 0)
|
|
goto seek_failed;
|
|
#elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
|
|
if (lseek (fileno (qtmux->fast_start_file), (off_t) 0,
|
|
SEEK_SET) == (off_t) - 1)
|
|
goto seek_failed;
|
|
#else
|
|
if (fseek (qtmux->fast_start_file, (long) 0, SEEK_SET) != 0)
|
|
goto seek_failed;
|
|
#endif
|
|
|
|
/* hm, this could all take a really really long time,
|
|
* but there may not be another way to get moov atom first
|
|
* (somehow optimize copy?) */
|
|
GST_DEBUG_OBJECT (qtmux, "Sending buffered data");
|
|
while (ret == GST_FLOW_OK) {
|
|
gint r;
|
|
const int bufsize = 4096;
|
|
|
|
buf = gst_buffer_new_and_alloc (bufsize);
|
|
r = fread (GST_BUFFER_DATA (buf), sizeof (guint8), bufsize,
|
|
qtmux->fast_start_file);
|
|
if (r == 0)
|
|
break;
|
|
GST_BUFFER_SIZE (buf) = r;
|
|
GST_LOG_OBJECT (qtmux, "Pushing buffered buffer of size %d", r);
|
|
ret = gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
|
|
buf = NULL;
|
|
}
|
|
if (buf)
|
|
gst_buffer_unref (buf);
|
|
|
|
exit:
|
|
/* best cleaning up effort, eat possible error */
|
|
fclose (qtmux->fast_start_file);
|
|
qtmux->fast_start_file = NULL;
|
|
|
|
/* FIXME maybe delete temporary file, or let the system handle that ? */
|
|
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
flush_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
|
|
("Failed to flush temporary file"), GST_ERROR_SYSTEM);
|
|
ret = GST_FLOW_ERROR;
|
|
goto exit;
|
|
}
|
|
seek_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, RESOURCE, SEEK,
|
|
("Failed to seek temporary file"), GST_ERROR_SYSTEM);
|
|
ret = GST_FLOW_ERROR;
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Sends the initial mdat atom fields (size fields and fourcc type),
|
|
* the subsequent buffers are considered part of it's data.
|
|
* As we can't predict the amount of data that we are going to place in mdat
|
|
* we need to record the position of the size field in the stream so we can
|
|
* seek back to it later and update when the streams have finished.
|
|
*/
|
|
static GstFlowReturn
|
|
gst_qt_mux_send_mdat_header (GstQTMux * qtmux, guint64 * off, guint64 size,
|
|
gboolean extended)
|
|
{
|
|
Atom *node_header;
|
|
GstBuffer *buf;
|
|
guint8 *data = NULL;
|
|
guint64 offset = 0;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Sending mdat's atom header, "
|
|
"size %" G_GUINT64_FORMAT, size);
|
|
|
|
node_header = g_malloc0 (sizeof (Atom));
|
|
node_header->type = FOURCC_mdat;
|
|
if (extended) {
|
|
/* use extended size */
|
|
node_header->size = 1;
|
|
node_header->extended_size = 0;
|
|
if (size)
|
|
node_header->extended_size = size + 16;
|
|
} else {
|
|
node_header->size = size + 8;
|
|
}
|
|
|
|
size = offset = 0;
|
|
if (atom_copy_data (node_header, &data, &size, &offset) == 0)
|
|
goto serialize_error;
|
|
|
|
buf = gst_buffer_new ();
|
|
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
|
|
GST_BUFFER_SIZE (buf) = offset;
|
|
|
|
g_free (node_header);
|
|
|
|
GST_LOG_OBJECT (qtmux, "Pushing mdat start");
|
|
return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
|
|
|
|
/* ERRORS */
|
|
serialize_error:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
("Failed to serialize mdat"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We get the position of the mdat size field, seek back to it
|
|
* and overwrite with the real value
|
|
*/
|
|
static GstFlowReturn
|
|
gst_qt_mux_update_mdat_size (GstQTMux * qtmux, guint64 mdat_pos,
|
|
guint64 mdat_size, guint64 * offset)
|
|
{
|
|
GstEvent *event;
|
|
GstBuffer *buf;
|
|
gboolean large_file;
|
|
|
|
large_file = (mdat_size > MDAT_LARGE_FILE_LIMIT);
|
|
|
|
if (large_file)
|
|
mdat_pos += 8;
|
|
|
|
/* seek and rewrite the header */
|
|
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
|
|
mdat_pos, GST_CLOCK_TIME_NONE, 0);
|
|
gst_pad_push_event (qtmux->srcpad, event);
|
|
|
|
if (large_file) {
|
|
buf = gst_buffer_new_and_alloc (sizeof (guint64));
|
|
GST_WRITE_UINT64_BE (GST_BUFFER_DATA (buf), mdat_size + 16);
|
|
} else {
|
|
guint8 *data;
|
|
|
|
buf = gst_buffer_new_and_alloc (16);
|
|
data = GST_BUFFER_DATA (buf);
|
|
GST_WRITE_UINT32_BE (data, 8);
|
|
GST_WRITE_UINT32_LE (data + 4, FOURCC_free);
|
|
GST_WRITE_UINT32_BE (data + 8, mdat_size + 8);
|
|
GST_WRITE_UINT32_LE (data + 12, FOURCC_mdat);
|
|
}
|
|
|
|
return gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_qt_mux_send_ftyp (GstQTMux * qtmux, guint64 * off)
|
|
{
|
|
GstBuffer *buf;
|
|
guint64 size = 0, offset = 0;
|
|
guint8 *data = NULL;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Sending ftyp atom");
|
|
|
|
if (!atom_ftyp_copy_data (qtmux->ftyp, &data, &size, &offset))
|
|
goto serialize_error;
|
|
|
|
buf = gst_buffer_new ();
|
|
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
|
|
GST_BUFFER_SIZE (buf) = offset;
|
|
|
|
GST_LOG_OBJECT (qtmux, "Pushing ftyp");
|
|
return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
|
|
|
|
/* ERRORS */
|
|
serialize_error:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
("Failed to serialize ftyp"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_prepare_ftyp (GstQTMux * qtmux, AtomFTYP ** p_ftyp,
|
|
GstBuffer ** p_prefix)
|
|
{
|
|
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
guint32 major, version;
|
|
GList *comp;
|
|
GstBuffer *prefix = NULL;
|
|
AtomFTYP *ftyp = NULL;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Preparing ftyp and possible prefix atom");
|
|
|
|
/* init and send context and ftyp based on current property state */
|
|
gst_qt_mux_map_format_to_header (qtmux_klass->format, &prefix, &major,
|
|
&version, &comp, qtmux->moov, qtmux->longest_chunk,
|
|
qtmux->fast_start_file != NULL);
|
|
ftyp = atom_ftyp_new (qtmux->context, major, version, comp);
|
|
if (comp)
|
|
g_list_free (comp);
|
|
if (prefix) {
|
|
if (p_prefix)
|
|
*p_prefix = prefix;
|
|
else
|
|
gst_buffer_unref (prefix);
|
|
}
|
|
*p_ftyp = ftyp;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_qt_mux_prepare_and_send_ftyp (GstQTMux * qtmux)
|
|
{
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
GstBuffer *prefix = NULL;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Preparing to send ftyp atom");
|
|
|
|
/* init and send context and ftyp based on current property state */
|
|
if (qtmux->ftyp) {
|
|
atom_ftyp_free (qtmux->ftyp);
|
|
qtmux->ftyp = NULL;
|
|
}
|
|
gst_qt_mux_prepare_ftyp (qtmux, &qtmux->ftyp, &prefix);
|
|
if (prefix) {
|
|
ret = gst_qt_mux_send_buffer (qtmux, prefix, &qtmux->header_size, FALSE);
|
|
if (ret != GST_FLOW_OK)
|
|
return ret;
|
|
}
|
|
return gst_qt_mux_send_ftyp (qtmux, &qtmux->header_size);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_qt_mux_start_file (GstQTMux * qtmux)
|
|
{
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "starting file");
|
|
|
|
/* let downstream know we think in BYTES and expect to do seeking later on */
|
|
gst_pad_push_event (qtmux->srcpad,
|
|
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0));
|
|
|
|
/* initialize our moov recovery file */
|
|
GST_OBJECT_LOCK (qtmux);
|
|
if (qtmux->moov_recov_file_path) {
|
|
GST_DEBUG_OBJECT (qtmux, "Openning moov recovery file: %s",
|
|
qtmux->moov_recov_file_path);
|
|
qtmux->moov_recov_file = g_fopen (qtmux->moov_recov_file_path, "wb+");
|
|
if (qtmux->moov_recov_file == NULL) {
|
|
GST_WARNING_OBJECT (qtmux, "Failed to open moov recovery file in %s",
|
|
qtmux->moov_recov_file_path);
|
|
} else {
|
|
GSList *walk;
|
|
gboolean fail = FALSE;
|
|
AtomFTYP *ftyp = NULL;
|
|
GstBuffer *prefix = NULL;
|
|
|
|
gst_qt_mux_prepare_ftyp (qtmux, &ftyp, &prefix);
|
|
|
|
if (!atoms_recov_write_headers (qtmux->moov_recov_file, ftyp, prefix,
|
|
qtmux->moov, qtmux->timescale,
|
|
g_slist_length (qtmux->sinkpads))) {
|
|
GST_WARNING_OBJECT (qtmux, "Failed to write moov recovery file "
|
|
"headers");
|
|
fail = TRUE;
|
|
}
|
|
|
|
atom_ftyp_free (ftyp);
|
|
if (prefix)
|
|
gst_buffer_unref (prefix);
|
|
|
|
for (walk = qtmux->sinkpads; walk && !fail; walk = g_slist_next (walk)) {
|
|
GstCollectData *cdata = (GstCollectData *) walk->data;
|
|
GstQTPad *qpad = (GstQTPad *) cdata;
|
|
/* write info for each stream */
|
|
fail = atoms_recov_write_trak_info (qtmux->moov_recov_file, qpad->trak);
|
|
if (fail) {
|
|
GST_WARNING_OBJECT (qtmux, "Failed to write trak info to recovery "
|
|
"file");
|
|
}
|
|
}
|
|
if (fail) {
|
|
/* cleanup */
|
|
fclose (qtmux->moov_recov_file);
|
|
qtmux->moov_recov_file = NULL;
|
|
GST_WARNING_OBJECT (qtmux, "An error was detected while writing to "
|
|
"recover file, moov recovery won't work");
|
|
}
|
|
}
|
|
}
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
|
|
/*
|
|
* send mdat header if already needed, and mark position for later update.
|
|
* We don't send ftyp now if we are on fast start mode, because we can
|
|
* better fine tune using the information we gather to create the whole moov
|
|
* atom.
|
|
*/
|
|
if (qtmux->fast_start) {
|
|
GST_OBJECT_LOCK (qtmux);
|
|
qtmux->fast_start_file = g_fopen (qtmux->fast_start_file_path, "wb+");
|
|
if (!qtmux->fast_start_file)
|
|
goto open_failed;
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
|
|
/* send a dummy buffer for preroll */
|
|
ret = gst_qt_mux_send_buffer (qtmux, gst_buffer_new (), NULL, FALSE);
|
|
if (ret != GST_FLOW_OK)
|
|
goto exit;
|
|
|
|
} else {
|
|
ret = gst_qt_mux_prepare_and_send_ftyp (qtmux);
|
|
if (ret != GST_FLOW_OK) {
|
|
goto exit;
|
|
}
|
|
|
|
/* extended to ensure some spare space */
|
|
qtmux->mdat_pos = qtmux->header_size;
|
|
ret = gst_qt_mux_send_mdat_header (qtmux, &qtmux->header_size, 0, TRUE);
|
|
}
|
|
|
|
exit:
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
open_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, RESOURCE, OPEN_READ_WRITE,
|
|
(("Could not open temporary file \"%s\""), qtmux->fast_start_file_path),
|
|
GST_ERROR_SYSTEM);
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_qt_mux_stop_file (GstQTMux * qtmux)
|
|
{
|
|
gboolean ret = GST_FLOW_OK;
|
|
GstBuffer *buffer = NULL;
|
|
guint64 offset = 0, size = 0;
|
|
guint8 *data;
|
|
GSList *walk;
|
|
gboolean large_file;
|
|
guint32 timescale;
|
|
GstClockTime first_ts = GST_CLOCK_TIME_NONE;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Updating remaining values and sending last data");
|
|
|
|
/* pushing last buffers for each pad */
|
|
for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
|
|
GstCollectData *cdata = (GstCollectData *) walk->data;
|
|
GstQTPad *qtpad = (GstQTPad *) cdata;
|
|
|
|
/* send last buffer */
|
|
GST_DEBUG_OBJECT (qtmux, "Sending the last buffer for pad %s",
|
|
GST_PAD_NAME (qtpad->collect.pad));
|
|
ret = gst_qt_mux_add_buffer (qtmux, qtpad, NULL);
|
|
if (ret != GST_FLOW_OK)
|
|
GST_WARNING_OBJECT (qtmux, "Failed to send last buffer for %s, "
|
|
"flow return: %s", GST_PAD_NAME (qtpad->collect.pad),
|
|
gst_flow_get_name (ret));
|
|
}
|
|
|
|
GST_OBJECT_LOCK (qtmux);
|
|
timescale = qtmux->timescale;
|
|
large_file = qtmux->large_file;
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
|
|
/* inform lower layers of our property wishes, and determine duration.
|
|
* Let moov take care of this using its list of traks;
|
|
* so that released pads are also included */
|
|
GST_DEBUG_OBJECT (qtmux, "Large file support: %d", large_file);
|
|
GST_DEBUG_OBJECT (qtmux, "Updating timescale to %" G_GUINT32_FORMAT,
|
|
timescale);
|
|
atom_moov_update_timescale (qtmux->moov, timescale);
|
|
atom_moov_set_64bits (qtmux->moov, large_file);
|
|
atom_moov_update_duration (qtmux->moov);
|
|
|
|
/* check for late streams */
|
|
for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
|
|
GstCollectData *cdata = (GstCollectData *) walk->data;
|
|
GstQTPad *qtpad = (GstQTPad *) cdata;
|
|
|
|
if (!GST_CLOCK_TIME_IS_VALID (first_ts) ||
|
|
(GST_CLOCK_TIME_IS_VALID (qtpad->first_ts) &&
|
|
qtpad->first_ts < first_ts)) {
|
|
first_ts = qtpad->first_ts;
|
|
}
|
|
}
|
|
GST_DEBUG_OBJECT (qtmux, "Media first ts selected: %" GST_TIME_FORMAT,
|
|
GST_TIME_ARGS (first_ts));
|
|
/* add EDTSs for late streams */
|
|
for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
|
|
GstCollectData *cdata = (GstCollectData *) walk->data;
|
|
GstQTPad *qtpad = (GstQTPad *) cdata;
|
|
guint32 lateness;
|
|
guint32 duration;
|
|
|
|
if (GST_CLOCK_TIME_IS_VALID (qtpad->first_ts) &&
|
|
qtpad->first_ts > first_ts + MAX_TOLERATED_LATENESS) {
|
|
GST_DEBUG_OBJECT (qtmux, "Pad %s is a late stream by %" GST_TIME_FORMAT,
|
|
GST_PAD_NAME (qtpad->collect.pad),
|
|
GST_TIME_ARGS (qtpad->first_ts - first_ts));
|
|
lateness = gst_util_uint64_scale_round (qtpad->first_ts - first_ts,
|
|
timescale, GST_SECOND);
|
|
duration = qtpad->trak->tkhd.duration;
|
|
atom_trak_add_elst_entry (qtpad->trak, lateness, (guint32) - 1,
|
|
(guint32) (1 * 65536.0));
|
|
atom_trak_add_elst_entry (qtpad->trak, duration, 0,
|
|
(guint32) (1 * 65536.0));
|
|
|
|
/* need to add the empty time to the trak duration */
|
|
qtpad->trak->tkhd.duration += lateness;
|
|
}
|
|
}
|
|
|
|
/* tags into file metadata */
|
|
gst_qt_mux_setup_metadata (qtmux);
|
|
|
|
large_file = (qtmux->mdat_size > MDAT_LARGE_FILE_LIMIT);
|
|
/* if faststart, update the offset of the atoms in the movie with the offset
|
|
* that the movie headers before mdat will cause.
|
|
* Also, send the ftyp */
|
|
if (qtmux->fast_start_file) {
|
|
GstFlowReturn flow_ret;
|
|
offset = size = 0;
|
|
|
|
flow_ret = gst_qt_mux_prepare_and_send_ftyp (qtmux);
|
|
if (flow_ret != GST_FLOW_OK) {
|
|
goto ftyp_error;
|
|
}
|
|
/* copy into NULL to obtain size */
|
|
if (!atom_moov_copy_data (qtmux->moov, NULL, &size, &offset))
|
|
goto serialize_error;
|
|
GST_DEBUG_OBJECT (qtmux, "calculated moov atom size %" G_GUINT64_FORMAT,
|
|
offset);
|
|
offset += qtmux->header_size + (large_file ? 16 : 8);
|
|
} else
|
|
offset = qtmux->header_size;
|
|
atom_moov_chunks_add_offset (qtmux->moov, offset);
|
|
|
|
/* serialize moov */
|
|
offset = size = 0;
|
|
data = NULL;
|
|
GST_LOG_OBJECT (qtmux, "Copying movie header into buffer");
|
|
ret = atom_moov_copy_data (qtmux->moov, &data, &size, &offset);
|
|
if (!ret)
|
|
goto serialize_error;
|
|
|
|
buffer = gst_buffer_new ();
|
|
GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer) = data;
|
|
GST_BUFFER_SIZE (buffer) = offset;
|
|
/* note: as of this point, we no longer care about tracking written data size,
|
|
* since there is no more use for it anyway */
|
|
GST_DEBUG_OBJECT (qtmux, "Pushing movie atoms");
|
|
gst_qt_mux_send_buffer (qtmux, buffer, NULL, FALSE);
|
|
|
|
/* if needed, send mdat atom and move buffered data into it */
|
|
if (qtmux->fast_start_file) {
|
|
/* mdat size = accumulated (buffered data) + mdat atom header */
|
|
ret = gst_qt_mux_send_mdat_header (qtmux, NULL, qtmux->mdat_size,
|
|
large_file);
|
|
if (ret != GST_FLOW_OK)
|
|
return ret;
|
|
ret = gst_qt_mux_send_buffered_data (qtmux, NULL);
|
|
if (ret != GST_FLOW_OK)
|
|
return ret;
|
|
} else {
|
|
/* mdata needs update iff not using faststart */
|
|
GST_DEBUG_OBJECT (qtmux, "updating mdata size");
|
|
ret = gst_qt_mux_update_mdat_size (qtmux, qtmux->mdat_pos,
|
|
qtmux->mdat_size, NULL);
|
|
/* note; no seeking back to the end of file is done,
|
|
* since we longer write anything anyway */
|
|
}
|
|
|
|
return ret;
|
|
|
|
/* ERRORS */
|
|
serialize_error:
|
|
{
|
|
gst_buffer_unref (buffer);
|
|
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
("Failed to serialize moov"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
ftyp_error:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL), ("Failed to send ftyp"));
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Here we push the buffer and update the tables in the track atoms
|
|
*/
|
|
static GstFlowReturn
|
|
gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
|
|
{
|
|
GstBuffer *last_buf = NULL;
|
|
GstClockTime duration;
|
|
guint nsamples, sample_size;
|
|
guint64 scaled_duration, chunk_offset;
|
|
gint64 last_dts;
|
|
gint64 pts_offset = 0;
|
|
gboolean sync = FALSE, do_pts = FALSE;
|
|
|
|
if (!pad->fourcc)
|
|
goto not_negotiated;
|
|
|
|
/* if this pad has a prepare function, call it */
|
|
if (pad->prepare_buf_func != NULL) {
|
|
buf = pad->prepare_buf_func (pad, buf, qtmux);
|
|
}
|
|
|
|
last_buf = pad->last_buf;
|
|
if (last_buf == NULL) {
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
|
if (buf == NULL) {
|
|
GST_DEBUG_OBJECT (qtmux, "Pad %s has no previous buffer stored and "
|
|
"received NULL buffer, doing nothing",
|
|
GST_PAD_NAME (pad->collect.pad));
|
|
} else {
|
|
GST_LOG_OBJECT (qtmux,
|
|
"Pad %s has no previous buffer stored, storing now",
|
|
GST_PAD_NAME (pad->collect.pad));
|
|
}
|
|
#endif
|
|
pad->last_buf = buf;
|
|
return GST_FLOW_OK;
|
|
} else
|
|
gst_buffer_ref (last_buf);
|
|
|
|
/* fall back to duration if:
|
|
* - last bufer
|
|
* - the buffers are out of order,
|
|
* - lack of valid time forces fall back */
|
|
if (buf == NULL ||
|
|
!GST_BUFFER_TIMESTAMP_IS_VALID (last_buf) ||
|
|
!GST_BUFFER_TIMESTAMP_IS_VALID (buf) ||
|
|
GST_BUFFER_TIMESTAMP (buf) < GST_BUFFER_TIMESTAMP (last_buf)) {
|
|
if (!GST_BUFFER_DURATION_IS_VALID (last_buf)) {
|
|
/* be forgiving for some possibly last upstream flushed buffer */
|
|
if (buf)
|
|
goto no_time;
|
|
GST_WARNING_OBJECT (qtmux, "no duration for last buffer");
|
|
/* iso spec recommends some small value, try 0 */
|
|
duration = 0;
|
|
} else {
|
|
duration = GST_BUFFER_DURATION (last_buf);
|
|
}
|
|
} else {
|
|
duration = GST_BUFFER_TIMESTAMP (buf) - GST_BUFFER_TIMESTAMP (last_buf);
|
|
}
|
|
|
|
gst_buffer_replace (&pad->last_buf, buf);
|
|
|
|
last_dts = gst_util_uint64_scale_round (pad->last_dts,
|
|
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
|
|
if (pad->sample_size) {
|
|
/* Constant size packets: usually raw audio (with many samples per
|
|
buffer (= chunk)), but can also be fixed-packet-size codecs like ADPCM
|
|
*/
|
|
sample_size = pad->sample_size;
|
|
if (GST_BUFFER_SIZE (last_buf) % sample_size != 0)
|
|
goto fragmented_sample;
|
|
/* note: qt raw audio storage warps it implicitly into a timewise
|
|
* perfect stream, discarding buffer times */
|
|
if (GST_BUFFER_DURATION (last_buf) != GST_CLOCK_TIME_NONE) {
|
|
nsamples = gst_util_uint64_scale_round (GST_BUFFER_DURATION (last_buf),
|
|
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
} else {
|
|
nsamples = GST_BUFFER_SIZE (last_buf) / sample_size;
|
|
}
|
|
duration = GST_BUFFER_DURATION (last_buf) / nsamples;
|
|
|
|
/* timescale = samplerate */
|
|
scaled_duration = 1;
|
|
pad->last_dts += duration * nsamples;
|
|
} else {
|
|
nsamples = 1;
|
|
sample_size = GST_BUFFER_SIZE (last_buf);
|
|
if (pad->have_dts) {
|
|
gint64 scaled_dts;
|
|
pad->last_dts = GST_BUFFER_OFFSET_END (last_buf);
|
|
if ((gint64) (pad->last_dts) < 0) {
|
|
scaled_dts = -gst_util_uint64_scale_round (-pad->last_dts,
|
|
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
} else {
|
|
scaled_dts = gst_util_uint64_scale_round (pad->last_dts,
|
|
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
}
|
|
scaled_duration = scaled_dts - last_dts;
|
|
last_dts = scaled_dts;
|
|
} else {
|
|
/* first convert intended timestamp (in GstClockTime resolution) to
|
|
* trak timescale, then derive delta;
|
|
* this ensures sums of (scale)delta add up to converted timestamp,
|
|
* which only deviates at most 1/scale from timestamp itself */
|
|
scaled_duration = gst_util_uint64_scale_round (pad->last_dts + duration,
|
|
atom_trak_get_timescale (pad->trak), GST_SECOND) - last_dts;
|
|
pad->last_dts += duration;
|
|
}
|
|
}
|
|
chunk_offset = qtmux->mdat_size;
|
|
|
|
GST_LOG_OBJECT (qtmux,
|
|
"Pad (%s) dts updated to %" GST_TIME_FORMAT,
|
|
GST_PAD_NAME (pad->collect.pad), GST_TIME_ARGS (pad->last_dts));
|
|
GST_LOG_OBJECT (qtmux,
|
|
"Adding %d samples to track, duration: %" G_GUINT64_FORMAT
|
|
" size: %" G_GUINT32_FORMAT " chunk offset: %" G_GUINT64_FORMAT,
|
|
nsamples, scaled_duration, sample_size, chunk_offset);
|
|
|
|
/* might be a sync sample */
|
|
if (pad->sync &&
|
|
!GST_BUFFER_FLAG_IS_SET (last_buf, GST_BUFFER_FLAG_DELTA_UNIT)) {
|
|
GST_LOG_OBJECT (qtmux, "Adding new sync sample entry for track of pad %s",
|
|
GST_PAD_NAME (pad->collect.pad));
|
|
sync = TRUE;
|
|
}
|
|
|
|
/* optionally calculate ctts entry values
|
|
* (if composition-time expected different from decoding-time) */
|
|
/* really not recommended:
|
|
* - decoder typically takes care of dts/pts issues
|
|
* - in case of out-of-order, dts may only be determined as above
|
|
* (e.g. sum of duration), which may be totally different from
|
|
* buffer timestamps in case of multiple segment, non-perfect streams
|
|
* (and just perhaps maybe with some luck segment_to_running_time
|
|
* or segment_to_media_time might get near to it) */
|
|
if ((pad->have_dts || qtmux->guess_pts) && pad->is_out_of_order) {
|
|
guint64 pts;
|
|
|
|
pts = gst_util_uint64_scale_round (GST_BUFFER_TIMESTAMP (last_buf),
|
|
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
pts_offset = (gint64) (pts - last_dts);
|
|
do_pts = TRUE;
|
|
GST_LOG_OBJECT (qtmux, "Adding ctts entry for pad %s: %" G_GINT64_FORMAT,
|
|
GST_PAD_NAME (pad->collect.pad), pts_offset);
|
|
}
|
|
|
|
/*
|
|
* Each buffer starts a new chunk, so we can assume the buffer
|
|
* duration is the chunk duration
|
|
*/
|
|
if (GST_CLOCK_TIME_IS_VALID (duration) && (duration > qtmux->longest_chunk ||
|
|
!GST_CLOCK_TIME_IS_VALID (qtmux->longest_chunk))) {
|
|
GST_DEBUG_OBJECT (qtmux, "New longest chunk found: %" GST_TIME_FORMAT
|
|
", pad %s", GST_TIME_ARGS (duration), GST_PAD_NAME (pad->collect.pad));
|
|
qtmux->longest_chunk = duration;
|
|
}
|
|
|
|
/* if this is the first buffer, store the timestamp */
|
|
if (G_UNLIKELY (pad->first_ts == GST_CLOCK_TIME_NONE) && last_buf) {
|
|
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (last_buf))) {
|
|
pad->first_ts = GST_BUFFER_TIMESTAMP (last_buf);
|
|
} else {
|
|
GST_DEBUG_OBJECT (qtmux, "First buffer for pad %s has no timestamp, "
|
|
"using 0 as first timestamp", GST_PAD_NAME (pad->collect.pad));
|
|
pad->first_ts = 0;
|
|
}
|
|
GST_DEBUG_OBJECT (qtmux, "Stored first timestamp for pad %s %"
|
|
GST_TIME_FORMAT, GST_PAD_NAME (pad->collect.pad),
|
|
GST_TIME_ARGS (pad->first_ts));
|
|
}
|
|
|
|
/* now we go and register this buffer/sample all over */
|
|
/* note that a new chunk is started each time (not fancy but works) */
|
|
if (qtmux->moov_recov_file) {
|
|
if (!atoms_recov_write_trak_samples (qtmux->moov_recov_file, pad->trak,
|
|
nsamples, scaled_duration, sample_size, chunk_offset, sync, do_pts,
|
|
pts_offset)) {
|
|
GST_WARNING_OBJECT (qtmux, "Failed to write sample information to "
|
|
"recovery file, disabling recovery");
|
|
fclose (qtmux->moov_recov_file);
|
|
qtmux->moov_recov_file = NULL;
|
|
}
|
|
}
|
|
atom_trak_add_samples (pad->trak, nsamples, scaled_duration, sample_size,
|
|
chunk_offset, sync, do_pts, pts_offset);
|
|
|
|
if (buf)
|
|
gst_buffer_unref (buf);
|
|
|
|
return gst_qt_mux_send_buffer (qtmux, last_buf, &qtmux->mdat_size, TRUE);
|
|
|
|
/* ERRORS */
|
|
bail:
|
|
{
|
|
if (buf)
|
|
gst_buffer_unref (buf);
|
|
gst_buffer_unref (last_buf);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
no_time:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
("Received buffer without timestamp/duration."));
|
|
goto bail;
|
|
}
|
|
fragmented_sample:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
("Audio buffer contains fragmented sample."));
|
|
goto bail;
|
|
}
|
|
not_negotiated:
|
|
{
|
|
GST_ELEMENT_ERROR (qtmux, CORE, NEGOTIATION, (NULL),
|
|
("format wasn't negotiated before buffer flow on pad %s",
|
|
GST_PAD_NAME (pad->collect.pad)));
|
|
if (buf)
|
|
gst_buffer_unref (buf);
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_qt_mux_collected (GstCollectPads * pads, gpointer user_data)
|
|
{
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
GstQTMux *qtmux = GST_QT_MUX_CAST (user_data);
|
|
GSList *walk;
|
|
GstQTPad *best_pad = NULL;
|
|
GstClockTime time, best_time = GST_CLOCK_TIME_NONE;
|
|
GstBuffer *buf;
|
|
|
|
if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_STARTED)) {
|
|
if ((ret = gst_qt_mux_start_file (qtmux)) != GST_FLOW_OK)
|
|
return ret;
|
|
else
|
|
qtmux->state = GST_QT_MUX_STATE_DATA;
|
|
}
|
|
|
|
if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_EOS))
|
|
return GST_FLOW_UNEXPECTED;
|
|
|
|
/* select the best buffer */
|
|
walk = qtmux->collect->data;
|
|
while (walk) {
|
|
GstQTPad *pad;
|
|
GstCollectData *data;
|
|
|
|
data = (GstCollectData *) walk->data;
|
|
pad = (GstQTPad *) data;
|
|
|
|
walk = g_slist_next (walk);
|
|
|
|
buf = gst_collect_pads_peek (pads, data);
|
|
if (buf == NULL) {
|
|
GST_LOG_OBJECT (qtmux, "Pad %s has no buffers",
|
|
GST_PAD_NAME (pad->collect.pad));
|
|
continue;
|
|
}
|
|
time = GST_BUFFER_TIMESTAMP (buf);
|
|
gst_buffer_unref (buf);
|
|
|
|
if (best_pad == NULL || !GST_CLOCK_TIME_IS_VALID (time) ||
|
|
(GST_CLOCK_TIME_IS_VALID (best_time) && time < best_time)) {
|
|
best_pad = pad;
|
|
best_time = time;
|
|
}
|
|
}
|
|
|
|
if (best_pad != NULL) {
|
|
GST_LOG_OBJECT (qtmux, "selected pad %s with time %" GST_TIME_FORMAT,
|
|
GST_PAD_NAME (best_pad->collect.pad), GST_TIME_ARGS (best_time));
|
|
buf = gst_collect_pads_pop (pads, &best_pad->collect);
|
|
ret = gst_qt_mux_add_buffer (qtmux, best_pad, buf);
|
|
} else {
|
|
ret = gst_qt_mux_stop_file (qtmux);
|
|
if (ret == GST_FLOW_OK) {
|
|
gst_pad_push_event (qtmux->srcpad, gst_event_new_eos ());
|
|
ret = GST_FLOW_UNEXPECTED;
|
|
}
|
|
qtmux->state = GST_QT_MUX_STATE_EOS;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gboolean
|
|
check_field (GQuark field_id, const GValue * value, gpointer user_data)
|
|
{
|
|
GstStructure *structure = (GstStructure *) user_data;
|
|
const GValue *other = gst_structure_id_get_value (structure, field_id);
|
|
if (other == NULL)
|
|
return FALSE;
|
|
return gst_value_compare (value, other) == GST_VALUE_EQUAL;
|
|
}
|
|
|
|
static gboolean
|
|
gst_qtmux_caps_is_subset_full (GstQTMux * qtmux, GstCaps * subset,
|
|
GstCaps * superset)
|
|
{
|
|
GstStructure *sub_s = gst_caps_get_structure (subset, 0);
|
|
GstStructure *sup_s = gst_caps_get_structure (superset, 0);
|
|
|
|
return gst_structure_foreach (sub_s, check_field, sup_s);
|
|
}
|
|
|
|
static gboolean
|
|
gst_qt_mux_audio_sink_set_caps (GstPad * pad, GstCaps * caps)
|
|
{
|
|
GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
|
|
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
GstQTPad *qtpad = NULL;
|
|
GstStructure *structure;
|
|
const gchar *mimetype;
|
|
gint rate, channels;
|
|
const GValue *value = NULL;
|
|
const GstBuffer *codec_data = NULL;
|
|
GstQTMuxFormat format;
|
|
AudioSampleEntry entry = { 0, };
|
|
AtomInfo *ext_atom = NULL;
|
|
gint constant_size = 0;
|
|
const gchar *stream_format;
|
|
GstCaps *current_caps = NULL;
|
|
|
|
/* find stream data */
|
|
qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
|
|
g_assert (qtpad);
|
|
|
|
qtpad->prepare_buf_func = NULL;
|
|
|
|
/* does not go well to renegotiate stream mid-way, unless
|
|
* the old caps are a subset of the new one (this means upstream
|
|
* added more info to the caps, as both should be 'fixed' caps) */
|
|
if (qtpad->fourcc) {
|
|
g_object_get (pad, "caps", ¤t_caps, NULL);
|
|
g_assert (caps != NULL);
|
|
|
|
if (!gst_qtmux_caps_is_subset_full (qtmux, current_caps, caps)) {
|
|
goto refuse_renegotiation;
|
|
}
|
|
GST_DEBUG_OBJECT (qtmux,
|
|
"pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
|
|
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, GST_PAD_CAPS (pad));
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
|
|
GST_DEBUG_PAD_NAME (pad), caps);
|
|
|
|
format = qtmux_klass->format;
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
mimetype = gst_structure_get_name (structure);
|
|
|
|
/* common info */
|
|
if (!gst_structure_get_int (structure, "channels", &channels) ||
|
|
!gst_structure_get_int (structure, "rate", &rate)) {
|
|
goto refuse_caps;
|
|
}
|
|
|
|
/* optional */
|
|
value = gst_structure_get_value (structure, "codec_data");
|
|
if (value != NULL)
|
|
codec_data = gst_value_get_buffer (value);
|
|
|
|
qtpad->is_out_of_order = FALSE;
|
|
qtpad->have_dts = FALSE;
|
|
|
|
/* set common properties */
|
|
entry.sample_rate = rate;
|
|
entry.channels = channels;
|
|
/* default */
|
|
entry.sample_size = 16;
|
|
/* this is the typical compressed case */
|
|
if (format == GST_QT_MUX_FORMAT_QT) {
|
|
entry.version = 1;
|
|
entry.compression_id = -2;
|
|
}
|
|
|
|
/* now map onto a fourcc, and some extra properties */
|
|
if (strcmp (mimetype, "audio/mpeg") == 0) {
|
|
gint mpegversion = 0;
|
|
gint layer = -1;
|
|
|
|
gst_structure_get_int (structure, "mpegversion", &mpegversion);
|
|
switch (mpegversion) {
|
|
case 1:
|
|
gst_structure_get_int (structure, "layer", &layer);
|
|
switch (layer) {
|
|
case 3:
|
|
/* mp3 */
|
|
/* note: QuickTime player does not like mp3 either way in iso/mp4 */
|
|
if (format == GST_QT_MUX_FORMAT_QT)
|
|
entry.fourcc = FOURCC__mp3;
|
|
else {
|
|
entry.fourcc = FOURCC_mp4a;
|
|
ext_atom =
|
|
build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG1_P3,
|
|
ESDS_STREAM_TYPE_AUDIO, codec_data, qtpad->avg_bitrate,
|
|
qtpad->max_bitrate);
|
|
}
|
|
entry.samples_per_packet = 1152;
|
|
entry.bytes_per_sample = 2;
|
|
break;
|
|
}
|
|
break;
|
|
case 4:
|
|
|
|
/* check stream-format */
|
|
stream_format = gst_structure_get_string (structure, "stream-format");
|
|
if (stream_format) {
|
|
if (strcmp (stream_format, "raw") != 0) {
|
|
GST_WARNING_OBJECT (qtmux, "Unsupported AAC stream-format %s, "
|
|
"please use 'raw'", stream_format);
|
|
goto refuse_caps;
|
|
}
|
|
} else {
|
|
GST_WARNING_OBJECT (qtmux, "No stream-format present in caps, "
|
|
"assuming 'raw'");
|
|
}
|
|
|
|
if (!codec_data || GST_BUFFER_SIZE (codec_data) < 2)
|
|
GST_WARNING_OBJECT (qtmux, "no (valid) codec_data for AAC audio");
|
|
else {
|
|
guint8 profile = GST_READ_UINT8 (GST_BUFFER_DATA (codec_data));
|
|
|
|
/* warn if not Low Complexity profile */
|
|
profile >>= 3;
|
|
if (profile != 2)
|
|
GST_WARNING_OBJECT (qtmux,
|
|
"non-LC AAC may not run well on (Apple) QuickTime/iTunes");
|
|
}
|
|
|
|
/* AAC */
|
|
entry.fourcc = FOURCC_mp4a;
|
|
|
|
if (format == GST_QT_MUX_FORMAT_QT)
|
|
ext_atom = build_mov_aac_extension (qtpad->trak, codec_data,
|
|
qtpad->avg_bitrate, qtpad->max_bitrate);
|
|
else
|
|
ext_atom =
|
|
build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG4_P3,
|
|
ESDS_STREAM_TYPE_AUDIO, codec_data, qtpad->avg_bitrate,
|
|
qtpad->max_bitrate);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} else if (strcmp (mimetype, "audio/AMR") == 0) {
|
|
entry.fourcc = FOURCC_samr;
|
|
entry.sample_size = 16;
|
|
entry.samples_per_packet = 160;
|
|
entry.bytes_per_sample = 2;
|
|
ext_atom = build_amr_extension ();
|
|
} else if (strcmp (mimetype, "audio/AMR-WB") == 0) {
|
|
entry.fourcc = FOURCC_sawb;
|
|
entry.sample_size = 16;
|
|
entry.samples_per_packet = 320;
|
|
entry.bytes_per_sample = 2;
|
|
ext_atom = build_amr_extension ();
|
|
} else if (strcmp (mimetype, "audio/x-raw-int") == 0) {
|
|
gint width;
|
|
gint depth;
|
|
gint endianness;
|
|
gboolean sign;
|
|
|
|
if (!gst_structure_get_int (structure, "width", &width) ||
|
|
!gst_structure_get_int (structure, "depth", &depth) ||
|
|
!gst_structure_get_boolean (structure, "signed", &sign)) {
|
|
GST_DEBUG_OBJECT (qtmux, "broken caps, width/depth/signed field missing");
|
|
goto refuse_caps;
|
|
}
|
|
|
|
if (depth <= 8) {
|
|
endianness = G_BYTE_ORDER;
|
|
} else if (!gst_structure_get_int (structure, "endianness", &endianness)) {
|
|
GST_DEBUG_OBJECT (qtmux, "broken caps, endianness field missing");
|
|
goto refuse_caps;
|
|
}
|
|
|
|
/* spec has no place for a distinction in these */
|
|
if (width != depth) {
|
|
GST_DEBUG_OBJECT (qtmux, "width must be same as depth!");
|
|
goto refuse_caps;
|
|
}
|
|
|
|
if (sign) {
|
|
if (endianness == G_LITTLE_ENDIAN)
|
|
entry.fourcc = FOURCC_sowt;
|
|
else if (endianness == G_BIG_ENDIAN)
|
|
entry.fourcc = FOURCC_twos;
|
|
/* maximum backward compatibility; only new version for > 16 bit */
|
|
if (depth <= 16)
|
|
entry.version = 0;
|
|
/* not compressed in any case */
|
|
entry.compression_id = 0;
|
|
/* QT spec says: max at 16 bit even if sample size were actually larger,
|
|
* however, most players (e.g. QuickTime!) seem to disagree, so ... */
|
|
entry.sample_size = depth;
|
|
entry.bytes_per_sample = depth / 8;
|
|
entry.samples_per_packet = 1;
|
|
entry.bytes_per_packet = depth / 8;
|
|
entry.bytes_per_frame = entry.bytes_per_packet * channels;
|
|
} else {
|
|
if (width == 8 && depth == 8) {
|
|
/* fall back to old 8-bit version */
|
|
entry.fourcc = FOURCC_raw_;
|
|
entry.version = 0;
|
|
entry.compression_id = 0;
|
|
entry.sample_size = 8;
|
|
} else {
|
|
GST_DEBUG_OBJECT (qtmux, "non 8-bit PCM must be signed");
|
|
goto refuse_caps;
|
|
}
|
|
}
|
|
constant_size = (depth / 8) * channels;
|
|
} else if (strcmp (mimetype, "audio/x-alaw") == 0) {
|
|
entry.fourcc = FOURCC_alaw;
|
|
entry.samples_per_packet = 1023;
|
|
entry.bytes_per_sample = 2;
|
|
} else if (strcmp (mimetype, "audio/x-mulaw") == 0) {
|
|
entry.fourcc = FOURCC_ulaw;
|
|
entry.samples_per_packet = 1023;
|
|
entry.bytes_per_sample = 2;
|
|
} else if (strcmp (mimetype, "audio/x-adpcm") == 0) {
|
|
gint blocksize;
|
|
if (!gst_structure_get_int (structure, "block_align", &blocksize)) {
|
|
GST_DEBUG_OBJECT (qtmux, "broken caps, block_align missing");
|
|
goto refuse_caps;
|
|
}
|
|
/* Currently only supports WAV-style IMA ADPCM, for which the codec id is
|
|
0x11 */
|
|
entry.fourcc = MS_WAVE_FOURCC (0x11);
|
|
/* 4 byte header per channel (including one sample). 2 samples per byte
|
|
remaining. Simplifying gives the following (samples per block per
|
|
channel) */
|
|
entry.samples_per_packet = 2 * blocksize / channels - 7;
|
|
entry.bytes_per_sample = 2;
|
|
|
|
entry.bytes_per_frame = blocksize;
|
|
entry.bytes_per_packet = blocksize / channels;
|
|
/* ADPCM has constant size packets */
|
|
constant_size = 1;
|
|
/* TODO: I don't really understand why this helps, but it does! Constant
|
|
* size and compression_id of -2 seem to be incompatible, and other files
|
|
* in the wild use this too. */
|
|
entry.compression_id = -1;
|
|
|
|
ext_atom = build_ima_adpcm_extension (channels, rate, blocksize);
|
|
} else if (strcmp (mimetype, "audio/x-alac") == 0) {
|
|
GstBuffer *codec_config;
|
|
gint len;
|
|
|
|
entry.fourcc = FOURCC_alac;
|
|
/* let's check if codec data already comes with 'alac' atom prefix */
|
|
if (!codec_data || (len = GST_BUFFER_SIZE (codec_data)) < 28) {
|
|
GST_DEBUG_OBJECT (qtmux, "broken caps, codec data missing");
|
|
goto refuse_caps;
|
|
}
|
|
if (GST_READ_UINT32_LE (GST_BUFFER_DATA (codec_data) + 4) == FOURCC_alac) {
|
|
len -= 8;
|
|
codec_config = gst_buffer_create_sub ((GstBuffer *) codec_data, 8, len);
|
|
} else {
|
|
codec_config = gst_buffer_ref ((GstBuffer *) codec_data);
|
|
}
|
|
if (len != 28) {
|
|
/* does not look good, but perhaps some trailing unneeded stuff */
|
|
GST_WARNING_OBJECT (qtmux, "unexpected codec-data size, possibly broken");
|
|
}
|
|
if (format == GST_QT_MUX_FORMAT_QT)
|
|
ext_atom = build_mov_alac_extension (qtpad->trak, codec_config);
|
|
else
|
|
ext_atom = build_codec_data_extension (FOURCC_alac, codec_config);
|
|
/* set some more info */
|
|
entry.bytes_per_sample = 2;
|
|
entry.samples_per_packet =
|
|
GST_READ_UINT32_BE (GST_BUFFER_DATA (codec_config) + 4);
|
|
gst_buffer_unref (codec_config);
|
|
}
|
|
|
|
if (!entry.fourcc)
|
|
goto refuse_caps;
|
|
|
|
/* ok, set the pad info accordingly */
|
|
qtpad->fourcc = entry.fourcc;
|
|
qtpad->sample_size = constant_size;
|
|
atom_trak_set_audio_type (qtpad->trak, qtmux->context, &entry,
|
|
entry.sample_rate, ext_atom, constant_size);
|
|
|
|
gst_object_unref (qtmux);
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
refuse_caps:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
|
|
GST_PAD_NAME (pad), caps);
|
|
gst_object_unref (qtmux);
|
|
return FALSE;
|
|
}
|
|
refuse_renegotiation:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux,
|
|
"pad %s refused renegotiation to %" GST_PTR_FORMAT,
|
|
GST_PAD_NAME (pad), caps);
|
|
gst_object_unref (qtmux);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* scale rate up or down by factor of 10 to fit into [1000,10000] interval */
|
|
static guint32
|
|
adjust_rate (guint64 rate)
|
|
{
|
|
while (rate >= 10000)
|
|
rate /= 10;
|
|
|
|
while (rate < 1000)
|
|
rate *= 10;
|
|
|
|
return (guint32) rate;
|
|
}
|
|
|
|
static gboolean
|
|
gst_qt_mux_video_sink_set_caps (GstPad * pad, GstCaps * caps)
|
|
{
|
|
GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
|
|
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
GstQTPad *qtpad = NULL;
|
|
GstStructure *structure;
|
|
const gchar *mimetype;
|
|
gint width, height, depth = -1;
|
|
gint framerate_num, framerate_den;
|
|
guint32 rate;
|
|
const GValue *value = NULL;
|
|
const GstBuffer *codec_data = NULL;
|
|
VisualSampleEntry entry = { 0, };
|
|
GstQTMuxFormat format;
|
|
AtomInfo *ext_atom = NULL;
|
|
GList *ext_atom_list = NULL;
|
|
gboolean sync = FALSE;
|
|
int par_num, par_den;
|
|
GstCaps *current_caps = NULL;
|
|
|
|
/* find stream data */
|
|
qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
|
|
g_assert (qtpad);
|
|
|
|
qtpad->prepare_buf_func = NULL;
|
|
|
|
/* does not go well to renegotiate stream mid-way, unless
|
|
* the old caps are a subset of the new one (this means upstream
|
|
* added more info to the caps, as both should be 'fixed' caps) */
|
|
if (qtpad->fourcc) {
|
|
g_object_get (pad, "caps", ¤t_caps, NULL);
|
|
g_assert (caps != NULL);
|
|
|
|
if (!gst_qtmux_caps_is_subset_full (qtmux, current_caps, caps)) {
|
|
goto refuse_renegotiation;
|
|
}
|
|
GST_DEBUG_OBJECT (qtmux,
|
|
"pad %s accepted renegotiation to %" GST_PTR_FORMAT " from %"
|
|
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, GST_PAD_CAPS (pad));
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
|
|
GST_DEBUG_PAD_NAME (pad), caps);
|
|
|
|
format = qtmux_klass->format;
|
|
structure = gst_caps_get_structure (caps, 0);
|
|
mimetype = gst_structure_get_name (structure);
|
|
|
|
/* required parts */
|
|
if (!gst_structure_get_int (structure, "width", &width) ||
|
|
!gst_structure_get_int (structure, "height", &height))
|
|
goto refuse_caps;
|
|
|
|
/* optional */
|
|
depth = -1;
|
|
/* works as a default timebase */
|
|
framerate_num = 10000;
|
|
framerate_den = 1;
|
|
gst_structure_get_fraction (structure, "framerate", &framerate_num,
|
|
&framerate_den);
|
|
gst_structure_get_int (structure, "depth", &depth);
|
|
value = gst_structure_get_value (structure, "codec_data");
|
|
if (value != NULL)
|
|
codec_data = gst_value_get_buffer (value);
|
|
|
|
par_num = 1;
|
|
par_den = 1;
|
|
gst_structure_get_fraction (structure, "pixel-aspect-ratio", &par_num,
|
|
&par_den);
|
|
|
|
qtpad->is_out_of_order = FALSE;
|
|
|
|
/* bring frame numerator into a range that ensures both reasonable resolution
|
|
* as well as a fair duration */
|
|
rate = adjust_rate (framerate_num);
|
|
GST_DEBUG_OBJECT (qtmux, "Rate of video track selected: %" G_GUINT32_FORMAT,
|
|
rate);
|
|
|
|
/* set common properties */
|
|
entry.width = width;
|
|
entry.height = height;
|
|
entry.par_n = par_num;
|
|
entry.par_d = par_den;
|
|
/* should be OK according to qt and iso spec, override if really needed */
|
|
entry.color_table_id = -1;
|
|
entry.frame_count = 1;
|
|
entry.depth = 24;
|
|
|
|
/* sync entries by default */
|
|
sync = TRUE;
|
|
|
|
/* now map onto a fourcc, and some extra properties */
|
|
if (strcmp (mimetype, "video/x-raw-rgb") == 0) {
|
|
gint bpp;
|
|
|
|
entry.fourcc = FOURCC_raw_;
|
|
gst_structure_get_int (structure, "bpp", &bpp);
|
|
entry.depth = bpp;
|
|
sync = FALSE;
|
|
} else if (strcmp (mimetype, "video/x-raw-yuv") == 0) {
|
|
guint32 format = 0;
|
|
|
|
sync = FALSE;
|
|
gst_structure_get_fourcc (structure, "format", &format);
|
|
switch (format) {
|
|
case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
|
|
if (depth == -1)
|
|
depth = 24;
|
|
entry.fourcc = FOURCC_2vuy;
|
|
entry.depth = depth;
|
|
break;
|
|
}
|
|
} else if (strcmp (mimetype, "video/x-h263") == 0) {
|
|
ext_atom = NULL;
|
|
if (format == GST_QT_MUX_FORMAT_QT)
|
|
entry.fourcc = FOURCC_h263;
|
|
else
|
|
entry.fourcc = FOURCC_s263;
|
|
ext_atom = build_h263_extension ();
|
|
if (ext_atom != NULL)
|
|
ext_atom_list = g_list_prepend (ext_atom_list, ext_atom);
|
|
} else if (strcmp (mimetype, "video/x-divx") == 0 ||
|
|
strcmp (mimetype, "video/mpeg") == 0) {
|
|
gint version = 0;
|
|
|
|
if (strcmp (mimetype, "video/x-divx") == 0) {
|
|
gst_structure_get_int (structure, "divxversion", &version);
|
|
version = version == 5 ? 1 : 0;
|
|
} else {
|
|
gst_structure_get_int (structure, "mpegversion", &version);
|
|
version = version == 4 ? 1 : 0;
|
|
}
|
|
if (version) {
|
|
entry.fourcc = FOURCC_mp4v;
|
|
ext_atom =
|
|
build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG4_P2,
|
|
ESDS_STREAM_TYPE_VISUAL, codec_data, qtpad->avg_bitrate,
|
|
qtpad->max_bitrate);
|
|
if (ext_atom != NULL)
|
|
ext_atom_list = g_list_prepend (ext_atom_list, ext_atom);
|
|
if (!codec_data)
|
|
GST_WARNING_OBJECT (qtmux, "no codec_data for MPEG4 video; "
|
|
"output might not play in Apple QuickTime (try global-headers?)");
|
|
}
|
|
} else if (strcmp (mimetype, "video/x-h264") == 0) {
|
|
entry.fourcc = FOURCC_avc1;
|
|
qtpad->is_out_of_order = TRUE;
|
|
ext_atom = build_btrt_extension (0, qtpad->avg_bitrate, qtpad->max_bitrate);
|
|
if (ext_atom != NULL)
|
|
ext_atom_list = g_list_prepend (ext_atom_list, ext_atom);
|
|
if (!codec_data)
|
|
GST_WARNING_OBJECT (qtmux, "no codec_data in h264 caps");
|
|
ext_atom = build_codec_data_extension (FOURCC_avcC, codec_data);
|
|
if (ext_atom != NULL)
|
|
ext_atom_list = g_list_prepend (ext_atom_list, ext_atom);
|
|
} else if (strcmp (mimetype, "video/x-svq") == 0) {
|
|
gint version = 0;
|
|
const GstBuffer *seqh = NULL;
|
|
const GValue *seqh_value;
|
|
gdouble gamma = 0;
|
|
|
|
gst_structure_get_int (structure, "svqversion", &version);
|
|
if (version == 3) {
|
|
entry.fourcc = FOURCC_SVQ3;
|
|
entry.version = 3;
|
|
entry.depth = 32;
|
|
qtpad->is_out_of_order = TRUE;
|
|
|
|
seqh_value = gst_structure_get_value (structure, "seqh");
|
|
if (seqh_value) {
|
|
seqh = gst_value_get_buffer (seqh_value);
|
|
ext_atom = build_SMI_atom (seqh);
|
|
if (ext_atom)
|
|
ext_atom_list = g_list_prepend (ext_atom_list, ext_atom);
|
|
}
|
|
|
|
/* we need to add the gamma anyway because quicktime might crash
|
|
* when it doesn't find it */
|
|
if (!gst_structure_get_double (structure, "applied-gamma", &gamma)) {
|
|
/* it seems that using 0 here makes it ignored */
|
|
gamma = 0.0;
|
|
}
|
|
ext_atom = build_gama_atom (gamma);
|
|
if (ext_atom)
|
|
ext_atom_list = g_list_prepend (ext_atom_list, ext_atom);
|
|
} else {
|
|
GST_WARNING_OBJECT (qtmux, "SVQ version %d not supported. Please file "
|
|
"a bug at http://bugzilla.gnome.org", version);
|
|
}
|
|
} else if (strcmp (mimetype, "video/x-dv") == 0) {
|
|
gint version = 0;
|
|
gboolean pal = TRUE;
|
|
|
|
sync = FALSE;
|
|
if (framerate_num != 25 || framerate_den != 1)
|
|
pal = FALSE;
|
|
gst_structure_get_int (structure, "dvversion", &version);
|
|
/* fall back to typical one */
|
|
if (!version)
|
|
version = 25;
|
|
switch (version) {
|
|
case 25:
|
|
if (pal)
|
|
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', 'p');
|
|
else
|
|
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', ' ');
|
|
break;
|
|
case 50:
|
|
if (pal)
|
|
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'p');
|
|
else
|
|
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'n');
|
|
break;
|
|
default:
|
|
GST_WARNING_OBJECT (qtmux, "unrecognized dv version");
|
|
break;
|
|
}
|
|
} else if (strcmp (mimetype, "image/jpeg") == 0) {
|
|
entry.fourcc = FOURCC_jpeg;
|
|
sync = FALSE;
|
|
} else if (strcmp (mimetype, "image/x-j2c") == 0 ||
|
|
strcmp (mimetype, "image/x-jpc") == 0) {
|
|
guint32 fourcc;
|
|
const GValue *cmap_array;
|
|
const GValue *cdef_array;
|
|
gint ncomp = 0;
|
|
gint fields = 1;
|
|
|
|
if (strcmp (mimetype, "image/x-jpc") == 0) {
|
|
qtpad->prepare_buf_func = gst_qt_mux_prepare_jpc_buffer;
|
|
}
|
|
|
|
gst_structure_get_int (structure, "num-components", &ncomp);
|
|
gst_structure_get_int (structure, "fields", &fields);
|
|
cmap_array = gst_structure_get_value (structure, "component-map");
|
|
cdef_array = gst_structure_get_value (structure, "channel-definitions");
|
|
|
|
ext_atom = NULL;
|
|
entry.fourcc = FOURCC_mjp2;
|
|
sync = FALSE;
|
|
if (gst_structure_get_fourcc (structure, "fourcc", &fourcc) &&
|
|
(ext_atom =
|
|
build_jp2h_extension (qtpad->trak, width, height, fourcc, ncomp,
|
|
cmap_array, cdef_array)) != NULL) {
|
|
ext_atom_list = g_list_append (ext_atom_list, ext_atom);
|
|
|
|
ext_atom = build_fiel_extension (fields);
|
|
if (ext_atom)
|
|
ext_atom_list = g_list_append (ext_atom_list, ext_atom);
|
|
|
|
ext_atom = build_jp2x_extension (codec_data);
|
|
if (ext_atom)
|
|
ext_atom_list = g_list_append (ext_atom_list, ext_atom);
|
|
} else {
|
|
GST_DEBUG_OBJECT (qtmux, "missing or invalid fourcc in jp2 caps");
|
|
goto refuse_caps;
|
|
}
|
|
} else if (strcmp (mimetype, "video/x-vp8") == 0) {
|
|
entry.fourcc = FOURCC_VP80;
|
|
sync = FALSE;
|
|
} else if (strcmp (mimetype, "video/x-qt-part") == 0) {
|
|
guint32 fourcc;
|
|
|
|
gst_structure_get_fourcc (structure, "format", &fourcc);
|
|
entry.fourcc = fourcc;
|
|
qtpad->is_out_of_order = TRUE;
|
|
qtpad->have_dts = TRUE;
|
|
} else if (strcmp (mimetype, "video/x-mp4-part") == 0) {
|
|
guint32 fourcc;
|
|
|
|
gst_structure_get_fourcc (structure, "format", &fourcc);
|
|
entry.fourcc = fourcc;
|
|
qtpad->is_out_of_order = TRUE;
|
|
qtpad->have_dts = TRUE;
|
|
}
|
|
|
|
if (!entry.fourcc)
|
|
goto refuse_caps;
|
|
|
|
/* ok, set the pad info accordingly */
|
|
qtpad->fourcc = entry.fourcc;
|
|
qtpad->sync = sync;
|
|
atom_trak_set_video_type (qtpad->trak, qtmux->context, &entry, rate,
|
|
ext_atom_list);
|
|
|
|
gst_object_unref (qtmux);
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
refuse_caps:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
|
|
GST_PAD_NAME (pad), caps);
|
|
gst_object_unref (qtmux);
|
|
return FALSE;
|
|
}
|
|
refuse_renegotiation:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux,
|
|
"pad %s refused renegotiation to %" GST_PTR_FORMAT " from %"
|
|
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, GST_PAD_CAPS (pad));
|
|
gst_object_unref (qtmux);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_qt_mux_sink_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
gboolean ret;
|
|
GstQTMux *qtmux;
|
|
guint32 avg_bitrate = 0, max_bitrate = 0;
|
|
|
|
qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_TAG:{
|
|
GstTagList *list;
|
|
GstTagSetter *setter = GST_TAG_SETTER (qtmux);
|
|
GstTagMergeMode mode;
|
|
|
|
GST_OBJECT_LOCK (qtmux);
|
|
mode = gst_tag_setter_get_tag_merge_mode (setter);
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "received tag event");
|
|
gst_event_parse_tag (event, &list);
|
|
|
|
gst_tag_setter_merge_tags (setter, list, mode);
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
|
|
if (gst_tag_list_get_uint (list, GST_TAG_BITRATE, &avg_bitrate) |
|
|
gst_tag_list_get_uint (list, GST_TAG_MAXIMUM_BITRATE, &max_bitrate)) {
|
|
GstQTPad *qtpad = gst_pad_get_element_private (pad);
|
|
g_assert (qtpad);
|
|
|
|
if (avg_bitrate > 0 && avg_bitrate < G_MAXUINT32)
|
|
qtpad->avg_bitrate = avg_bitrate;
|
|
if (max_bitrate > 0 && max_bitrate < G_MAXUINT32)
|
|
qtpad->max_bitrate = max_bitrate;
|
|
}
|
|
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = qtmux->collect_event (pad, event);
|
|
gst_object_unref (qtmux);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_release_pad (GstElement * element, GstPad * pad)
|
|
{
|
|
GstQTMux *mux = GST_QT_MUX_CAST (element);
|
|
GSList *walk;
|
|
|
|
GST_DEBUG_OBJECT (element, "Releasing %s:%s", GST_DEBUG_PAD_NAME (pad));
|
|
|
|
for (walk = mux->sinkpads; walk; walk = g_slist_next (walk)) {
|
|
GstQTPad *qtpad = (GstQTPad *) walk->data;
|
|
GST_DEBUG ("Checking %s:%s", GST_DEBUG_PAD_NAME (qtpad->collect.pad));
|
|
if (qtpad->collect.pad == pad) {
|
|
/* this is it, remove */
|
|
mux->sinkpads = g_slist_delete_link (mux->sinkpads, walk);
|
|
gst_element_remove_pad (element, pad);
|
|
break;
|
|
}
|
|
}
|
|
|
|
gst_collect_pads_remove_pad (mux->collect, pad);
|
|
}
|
|
|
|
static GstPad *
|
|
gst_qt_mux_request_new_pad (GstElement * element,
|
|
GstPadTemplate * templ, const gchar * req_name)
|
|
{
|
|
GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
|
|
GstQTMux *qtmux = GST_QT_MUX_CAST (element);
|
|
GstQTPad *collect_pad;
|
|
GstPad *newpad;
|
|
gboolean audio;
|
|
gchar *name;
|
|
|
|
if (templ->direction != GST_PAD_SINK)
|
|
goto wrong_direction;
|
|
|
|
if (qtmux->state > GST_QT_MUX_STATE_STARTED)
|
|
goto too_late;
|
|
|
|
if (templ == gst_element_class_get_pad_template (klass, "audio_%d")) {
|
|
audio = TRUE;
|
|
name = g_strdup_printf ("audio_%02d", qtmux->audio_pads++);
|
|
} else if (templ == gst_element_class_get_pad_template (klass, "video_%d")) {
|
|
audio = FALSE;
|
|
name = g_strdup_printf ("video_%02d", qtmux->video_pads++);
|
|
} else
|
|
goto wrong_template;
|
|
|
|
GST_DEBUG_OBJECT (qtmux, "Requested pad: %s", name);
|
|
|
|
/* create pad and add to collections */
|
|
newpad = gst_pad_new_from_template (templ, name);
|
|
g_free (name);
|
|
collect_pad = (GstQTPad *)
|
|
gst_collect_pads_add_pad_full (qtmux->collect, newpad, sizeof (GstQTPad),
|
|
(GstCollectDataDestroyNotify) (gst_qt_mux_pad_reset));
|
|
/* set up pad */
|
|
gst_qt_mux_pad_reset (collect_pad);
|
|
collect_pad->trak = atom_trak_new (qtmux->context);
|
|
atom_moov_add_trak (qtmux->moov, collect_pad->trak);
|
|
qtmux->sinkpads = g_slist_append (qtmux->sinkpads, collect_pad);
|
|
|
|
/* set up pad functions */
|
|
if (audio)
|
|
gst_pad_set_setcaps_function (newpad,
|
|
GST_DEBUG_FUNCPTR (gst_qt_mux_audio_sink_set_caps));
|
|
else
|
|
gst_pad_set_setcaps_function (newpad,
|
|
GST_DEBUG_FUNCPTR (gst_qt_mux_video_sink_set_caps));
|
|
|
|
/* FIXME: hacked way to override/extend the event function of
|
|
* GstCollectPads; because it sets its own event function giving the
|
|
* element no access to events.
|
|
*/
|
|
qtmux->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (newpad);
|
|
gst_pad_set_event_function (newpad,
|
|
GST_DEBUG_FUNCPTR (gst_qt_mux_sink_event));
|
|
|
|
gst_pad_set_active (newpad, TRUE);
|
|
gst_element_add_pad (element, newpad);
|
|
|
|
return newpad;
|
|
|
|
/* ERRORS */
|
|
wrong_direction:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux, "Request pad that is not a SINK pad.");
|
|
return NULL;
|
|
}
|
|
too_late:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux, "Not providing request pad after stream start.");
|
|
return NULL;
|
|
}
|
|
wrong_template:
|
|
{
|
|
GST_WARNING_OBJECT (qtmux, "This is not our template!");
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstQTMux *qtmux = GST_QT_MUX_CAST (object);
|
|
|
|
GST_OBJECT_LOCK (qtmux);
|
|
switch (prop_id) {
|
|
case PROP_LARGE_FILE:
|
|
g_value_set_boolean (value, qtmux->large_file);
|
|
break;
|
|
case PROP_MOVIE_TIMESCALE:
|
|
g_value_set_uint (value, qtmux->timescale);
|
|
break;
|
|
case PROP_DO_CTTS:
|
|
g_value_set_boolean (value, qtmux->guess_pts);
|
|
break;
|
|
case PROP_FAST_START:
|
|
g_value_set_boolean (value, qtmux->fast_start);
|
|
break;
|
|
case PROP_FAST_START_TEMP_FILE:
|
|
g_value_set_string (value, qtmux->fast_start_file_path);
|
|
break;
|
|
case PROP_MOOV_RECOV_FILE:
|
|
g_value_set_string (value, qtmux->moov_recov_file_path);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_generate_fast_start_file_path (GstQTMux * qtmux)
|
|
{
|
|
gchar *tmp;
|
|
|
|
g_free (qtmux->fast_start_file_path);
|
|
qtmux->fast_start_file_path = NULL;
|
|
|
|
tmp = g_strdup_printf ("%s%d", "qtmux", g_random_int ());
|
|
qtmux->fast_start_file_path = g_build_filename (g_get_tmp_dir (), tmp, NULL);
|
|
g_free (tmp);
|
|
}
|
|
|
|
static void
|
|
gst_qt_mux_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstQTMux *qtmux = GST_QT_MUX_CAST (object);
|
|
|
|
GST_OBJECT_LOCK (qtmux);
|
|
switch (prop_id) {
|
|
case PROP_LARGE_FILE:
|
|
qtmux->large_file = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_MOVIE_TIMESCALE:
|
|
qtmux->timescale = g_value_get_uint (value);
|
|
break;
|
|
case PROP_DO_CTTS:
|
|
qtmux->guess_pts = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_FAST_START:
|
|
qtmux->fast_start = g_value_get_boolean (value);
|
|
break;
|
|
case PROP_FAST_START_TEMP_FILE:
|
|
g_free (qtmux->fast_start_file_path);
|
|
qtmux->fast_start_file_path = g_value_dup_string (value);
|
|
/* NULL means to generate a random one */
|
|
if (!qtmux->fast_start_file_path) {
|
|
gst_qt_mux_generate_fast_start_file_path (qtmux);
|
|
}
|
|
break;
|
|
case PROP_MOOV_RECOV_FILE:
|
|
g_free (qtmux->moov_recov_file_path);
|
|
qtmux->moov_recov_file_path = g_value_dup_string (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
GST_OBJECT_UNLOCK (qtmux);
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_qt_mux_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstStateChangeReturn ret;
|
|
GstQTMux *qtmux = GST_QT_MUX_CAST (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
gst_collect_pads_start (qtmux->collect);
|
|
qtmux->state = GST_QT_MUX_STATE_STARTED;
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
gst_collect_pads_stop (qtmux->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_qt_mux_reset (qtmux, TRUE);
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
gboolean
|
|
gst_qt_mux_register (GstPlugin * plugin)
|
|
{
|
|
GTypeInfo typeinfo = {
|
|
sizeof (GstQTMuxClass),
|
|
(GBaseInitFunc) gst_qt_mux_base_init,
|
|
NULL,
|
|
(GClassInitFunc) gst_qt_mux_class_init,
|
|
NULL,
|
|
NULL,
|
|
sizeof (GstQTMux),
|
|
0,
|
|
(GInstanceInitFunc) gst_qt_mux_init,
|
|
};
|
|
static const GInterfaceInfo tag_setter_info = {
|
|
NULL, NULL, NULL
|
|
};
|
|
GType type;
|
|
GstQTMuxFormat format;
|
|
GstQTMuxClassParams *params;
|
|
guint i = 0;
|
|
|
|
GST_DEBUG_CATEGORY_INIT (gst_qt_mux_debug, "qtmux", 0, "QT Muxer");
|
|
|
|
GST_LOG ("Registering muxers");
|
|
|
|
while (TRUE) {
|
|
GstQTMuxFormatProp *prop;
|
|
|
|
prop = &gst_qt_mux_format_list[i];
|
|
format = prop->format;
|
|
if (format == GST_QT_MUX_FORMAT_NONE)
|
|
break;
|
|
|
|
/* create a cache for these properties */
|
|
params = g_new0 (GstQTMuxClassParams, 1);
|
|
params->prop = prop;
|
|
params->src_caps = gst_static_caps_get (&prop->src_caps);
|
|
params->video_sink_caps = gst_static_caps_get (&prop->video_sink_caps);
|
|
params->audio_sink_caps = gst_static_caps_get (&prop->audio_sink_caps);
|
|
|
|
/* create the type now */
|
|
type = g_type_register_static (GST_TYPE_ELEMENT, prop->type_name, &typeinfo,
|
|
0);
|
|
g_type_set_qdata (type, GST_QT_MUX_PARAMS_QDATA, (gpointer) params);
|
|
g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
|
|
|
|
if (!gst_element_register (plugin, prop->name, GST_RANK_PRIMARY, type))
|
|
return FALSE;
|
|
|
|
i++;
|
|
}
|
|
|
|
GST_LOG ("Finished registering muxers");
|
|
|
|
/* FIXME: ideally classification tag should be added and
|
|
registered in gstreamer core gsttaglist
|
|
*/
|
|
|
|
GST_LOG ("Registering tags");
|
|
|
|
gst_tag_register (GST_TAG_3GP_CLASSIFICATION, GST_TAG_FLAG_META,
|
|
G_TYPE_STRING, GST_TAG_3GP_CLASSIFICATION, "content classification",
|
|
gst_tag_merge_use_first);
|
|
|
|
GST_LOG ("Finished registering tags");
|
|
|
|
return TRUE;
|
|
}
|