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e972defd3e
Original commit message from CVS: * ext/alsa/gstalsamixerelement.c: * ext/alsa/gstalsasrc.c: * ext/cdparanoia/gstcdparanoiasrc.c: * ext/gnomevfs/gstgnomevfssink.c: * ext/gnomevfs/gstgnomevfssrc.c: * ext/ogg/gstoggdemux.c: * ext/ogg/gstoggmux.c: * ext/ogg/gstoggparse.c: * ext/ogg/gstogmparse.c: * ext/pango/gstclockoverlay.c: * ext/pango/gsttextoverlay.c: * ext/pango/gsttextrender.c: * ext/pango/gsttimeoverlay.c: * ext/theora/theoradec.c: * ext/theora/theoraenc.c: * ext/vorbis/vorbisdec.c: * ext/vorbis/vorbisenc.c: * gst-libs/gst/audio/gstaudiofilter.c: * gst-libs/gst/audio/gstaudiofiltertemplate.c: * gst/audioconvert/gstaudioconvert.c: * gst/audiorate/gstaudiorate.c: * gst/audioresample/gstaudioresample.c: * gst/audiotestsrc/gstaudiotestsrc.c: * gst/ffmpegcolorspace/gstffmpegcolorspace.c: * gst/playback/gstdecodebin.c: * gst/playback/gstplaybin.c: * gst/playback/gststreamselector.c: * gst/subparse/gstsubparse.c: * gst/tcp/gstmultifdsink.c: * gst/tcp/gsttcpclientsink.c: * gst/tcp/gsttcpclientsrc.c: * gst/tcp/gsttcpserversink.c: * gst/tcp/gsttcpserversrc.c: * gst/typefind/gsttypefindfunctions.c: (plugin_init): * gst/videorate/gstvideorate.c: * gst/videoscale/gstvideoscale.c: * gst/videotestsrc/gstvideotestsrc.c: * gst/volume/gstvolume.c: * sys/v4l/gstv4ljpegsrc.c: * sys/v4l/gstv4lmjpegsink.c: * sys/v4l/gstv4lmjpegsrc.c: * sys/v4l/gstv4lsrc.c: * sys/ximage/ximagesink.c: * sys/xvimage/xvimagesink.c: * tests/check/libs/cddabasesrc.c: make GstElementDetails const
745 lines
23 KiB
C
745 lines
23 KiB
C
/* GStreamer
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* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* gstogmparse.c: OGM stream header parsing (and data passthrough)
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include <gst/gst.h>
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#include <gst/riff/riff-media.h>
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GST_DEBUG_CATEGORY_STATIC (gst_ogm_parse_debug);
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#define GST_CAT_DEFAULT gst_ogm_parse_debug
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#define GST_TYPE_OGM_VIDEO_PARSE (gst_ogm_video_parse_get_type())
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#define GST_IS_OGM_VIDEO_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OGM_VIDEO_PARSE))
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#define GST_TYPE_OGM_AUDIO_PARSE (gst_ogm_audio_parse_get_type())
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#define GST_IS_OGM_AUDIO_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OGM_AUDIO_PARSE))
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#define GST_TYPE_OGM_TEXT_PARSE (gst_ogm_text_parse_get_type())
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#define GST_IS_OGM_TEXT_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OGM_TEXT_PARSE))
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#define GST_TYPE_OGM_PARSE (gst_ogm_parse_get_type())
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#define GST_OGM_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_OGM_PARSE, GstOgmParse))
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#define GST_OGM_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_OGM_PARSE, GstOgmParse))
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#define GST_IS_OGM_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_OGM_PARSE))
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#define GST_IS_OGM_PARSE_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_OGM_PARSE))
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#define GST_OGM_PARSE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_OGM_PARSE, GstOgmParseClass))
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static const GstElementDetails gst_ogm_audio_parse_details =
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GST_ELEMENT_DETAILS ("OGM audio stream parser",
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"Codec/Decoder/Audio",
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"parse an OGM audio header and stream",
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"Ronald Bultje <rbultje@ronald.bitfreak.net>");
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static const GstElementDetails gst_ogm_video_parse_details =
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GST_ELEMENT_DETAILS ("OGM video stream parser",
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"Codec/Decoder/Video",
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"parse an OGM video header and stream",
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"Ronald Bultje <rbultje@ronald.bitfreak.net>");
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static const GstElementDetails gst_ogm_text_parse_details =
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GST_ELEMENT_DETAILS ("OGM text stream parser",
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"Codec/Decoder/Subtitle",
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"parse an OGM text header and stream",
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"Ronald Bultje <rbultje@ronald.bitfreak.net>");
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typedef struct _stream_header_video
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{
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gint32 width;
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gint32 height;
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} stream_header_video;
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typedef struct _stream_header_audio
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{
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gint16 channels;
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gint16 blockalign;
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gint32 avgbytespersec;
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} stream_header_audio;
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typedef struct _stream_header
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{
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gchar streamtype[8];
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gchar subtype[4];
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/* size of the structure */
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gint32 size;
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/* in reference time */
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gint64 time_unit;
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gint64 samples_per_unit;
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/* in media time */
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gint32 default_len;
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gint32 buffersize;
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gint32 bits_per_sample;
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union
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{
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stream_header_video video;
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stream_header_audio audio;
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/* text has no additional data */
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} s;
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} stream_header;
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typedef struct _GstOgmParse
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{
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GstElement element;
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/* pads */
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GstPad *srcpad, *sinkpad;
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GstPadTemplate *srcpadtempl;
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/* audio or video */
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stream_header hdr;
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/* expected next granulepos (used for timestamp guessing) */
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guint64 next_granulepos;
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} GstOgmParse;
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typedef struct _GstOgmParseClass
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{
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GstElementClass parent_class;
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} GstOgmParseClass;
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static GstStaticPadTemplate ogm_video_parse_sink_template_factory =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-ogm-video"));
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static GstStaticPadTemplate ogm_audio_parse_sink_template_factory =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-ogm-audio"));
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static GstStaticPadTemplate ogm_text_parse_sink_template_factory =
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GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-ogm-text"));
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static GstPadTemplate *video_src_templ, *audio_src_templ, *text_src_templ;
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static GType gst_ogm_audio_parse_get_type (void);
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static GType gst_ogm_video_parse_get_type (void);
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static GType gst_ogm_text_parse_get_type (void);
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static GType gst_ogm_parse_get_type (void);
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static void gst_ogm_audio_parse_base_init (GstOgmParseClass * klass);
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static void gst_ogm_video_parse_base_init (GstOgmParseClass * klass);
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static void gst_ogm_text_parse_base_init (GstOgmParseClass * klass);
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static void gst_ogm_parse_class_init (GstOgmParseClass * klass);
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static void gst_ogm_parse_init (GstOgmParse * ogm);
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static void gst_ogm_video_parse_init (GstOgmParse * ogm);
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static void gst_ogm_audio_parse_init (GstOgmParse * ogm);
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static void gst_ogm_text_parse_init (GstOgmParse * ogm);
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static const GstQueryType *gst_ogm_parse_get_sink_querytypes (GstPad * pad);
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static gboolean gst_ogm_parse_sink_query (GstPad * pad, GstQuery * query);
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static gboolean gst_ogm_parse_sink_convert (GstPad * pad, GstFormat src_format,
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gint64 src_value, GstFormat * dest_format, gint64 * dest_value);
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static GstFlowReturn gst_ogm_parse_chain (GstPad * pad, GstBuffer * buffer);
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static GstStateChangeReturn gst_ogm_parse_change_state (GstElement * element,
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GstStateChange transition);
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static GstElementClass *parent_class = NULL;
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static GType
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gst_ogm_parse_get_type (void)
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{
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static GType ogm_parse_type = 0;
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if (!ogm_parse_type) {
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static const GTypeInfo ogm_parse_info = {
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sizeof (GstOgmParseClass),
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NULL,
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NULL,
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(GClassInitFunc) gst_ogm_parse_class_init,
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NULL,
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NULL,
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sizeof (GstOgmParse),
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0,
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(GInstanceInitFunc) gst_ogm_parse_init,
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};
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ogm_parse_type =
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g_type_register_static (GST_TYPE_ELEMENT,
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"GstOgmParse", &ogm_parse_info, 0);
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}
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return ogm_parse_type;
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}
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static GType
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gst_ogm_audio_parse_get_type (void)
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{
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static GType ogm_audio_parse_type = 0;
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if (!ogm_audio_parse_type) {
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static const GTypeInfo ogm_audio_parse_info = {
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sizeof (GstOgmParseClass),
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(GBaseInitFunc) gst_ogm_audio_parse_base_init,
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NULL,
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NULL,
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NULL,
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NULL,
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sizeof (GstOgmParse),
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0,
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(GInstanceInitFunc) gst_ogm_audio_parse_init,
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};
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ogm_audio_parse_type =
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g_type_register_static (GST_TYPE_OGM_PARSE,
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"GstOgmAudioParse", &ogm_audio_parse_info, 0);
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}
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return ogm_audio_parse_type;
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}
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GType
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gst_ogm_video_parse_get_type (void)
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{
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static GType ogm_video_parse_type = 0;
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if (!ogm_video_parse_type) {
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static const GTypeInfo ogm_video_parse_info = {
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sizeof (GstOgmParseClass),
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(GBaseInitFunc) gst_ogm_video_parse_base_init,
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NULL,
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NULL,
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NULL,
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NULL,
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sizeof (GstOgmParse),
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0,
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(GInstanceInitFunc) gst_ogm_video_parse_init,
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};
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ogm_video_parse_type =
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g_type_register_static (GST_TYPE_OGM_PARSE,
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"GstOgmVideoParse", &ogm_video_parse_info, 0);
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}
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return ogm_video_parse_type;
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}
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GType
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gst_ogm_text_parse_get_type (void)
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{
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static GType ogm_text_parse_type = 0;
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if (!ogm_text_parse_type) {
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static const GTypeInfo ogm_text_parse_info = {
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sizeof (GstOgmParseClass),
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(GBaseInitFunc) gst_ogm_text_parse_base_init,
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NULL,
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NULL,
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NULL,
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NULL,
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sizeof (GstOgmParse),
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0,
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(GInstanceInitFunc) gst_ogm_text_parse_init,
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};
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ogm_text_parse_type =
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g_type_register_static (GST_TYPE_OGM_PARSE,
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"GstOgmTextParse", &ogm_text_parse_info, 0);
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}
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return ogm_text_parse_type;
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}
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static void
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gst_ogm_audio_parse_base_init (GstOgmParseClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstCaps *caps = gst_riff_create_audio_template_caps ();
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gst_element_class_set_details (element_class, &gst_ogm_audio_parse_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&ogm_audio_parse_sink_template_factory));
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audio_src_templ = gst_pad_template_new ("src",
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GST_PAD_SRC, GST_PAD_SOMETIMES, caps);
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gst_element_class_add_pad_template (element_class, audio_src_templ);
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}
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static void
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gst_ogm_video_parse_base_init (GstOgmParseClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstCaps *caps = gst_riff_create_video_template_caps ();
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gst_element_class_set_details (element_class, &gst_ogm_video_parse_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&ogm_video_parse_sink_template_factory));
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video_src_templ = gst_pad_template_new ("src",
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GST_PAD_SRC, GST_PAD_SOMETIMES, caps);
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gst_element_class_add_pad_template (element_class, video_src_templ);
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}
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static void
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gst_ogm_text_parse_base_init (GstOgmParseClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GstCaps *caps = gst_caps_new_simple ("text/plain", NULL, NULL);
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gst_element_class_set_details (element_class, &gst_ogm_text_parse_details);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&ogm_text_parse_sink_template_factory));
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text_src_templ = gst_pad_template_new ("src",
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GST_PAD_SRC, GST_PAD_SOMETIMES, caps);
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gst_element_class_add_pad_template (element_class, text_src_templ);
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}
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static void
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gst_ogm_parse_class_init (GstOgmParseClass * klass)
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{
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_ogm_parse_change_state);
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}
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static void
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gst_ogm_parse_init (GstOgmParse * ogm)
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{
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/* initalize */
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memset (&ogm->hdr, 0, sizeof (ogm->hdr));
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ogm->next_granulepos = 0;
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ogm->srcpad = NULL;
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}
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static void
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gst_ogm_audio_parse_init (GstOgmParse * ogm)
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{
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/* create the pads */
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ogm->sinkpad =
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gst_pad_new_from_static_template (&ogm_audio_parse_sink_template_factory,
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"sink");
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gst_pad_set_query_function (ogm->sinkpad,
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GST_DEBUG_FUNCPTR (gst_ogm_parse_sink_query));
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gst_pad_set_chain_function (ogm->sinkpad,
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GST_DEBUG_FUNCPTR (gst_ogm_parse_chain));
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gst_element_add_pad (GST_ELEMENT (ogm), ogm->sinkpad);
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ogm->srcpad = NULL;
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ogm->srcpadtempl = audio_src_templ;
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}
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static void
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gst_ogm_video_parse_init (GstOgmParse * ogm)
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{
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/* create the pads */
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ogm->sinkpad =
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gst_pad_new_from_static_template (&ogm_video_parse_sink_template_factory,
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"sink");
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gst_pad_set_query_function (ogm->sinkpad,
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GST_DEBUG_FUNCPTR (gst_ogm_parse_sink_query));
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gst_pad_set_chain_function (ogm->sinkpad,
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GST_DEBUG_FUNCPTR (gst_ogm_parse_chain));
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gst_element_add_pad (GST_ELEMENT (ogm), ogm->sinkpad);
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ogm->srcpad = NULL;
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ogm->srcpadtempl = video_src_templ;
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}
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static void
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gst_ogm_text_parse_init (GstOgmParse * ogm)
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{
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/* create the pads */
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ogm->sinkpad =
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gst_pad_new_from_static_template (&ogm_text_parse_sink_template_factory,
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"sink");
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gst_pad_set_query_type_function (ogm->sinkpad,
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gst_ogm_parse_get_sink_querytypes);
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gst_pad_set_query_function (ogm->sinkpad,
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GST_DEBUG_FUNCPTR (gst_ogm_parse_sink_query));
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gst_pad_set_chain_function (ogm->sinkpad,
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GST_DEBUG_FUNCPTR (gst_ogm_parse_chain));
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gst_element_add_pad (GST_ELEMENT (ogm), ogm->sinkpad);
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ogm->srcpad = NULL;
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ogm->srcpadtempl = text_src_templ;
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}
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static const GstQueryType *
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gst_ogm_parse_get_sink_querytypes (GstPad * pad)
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{
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static const GstQueryType types[] = {
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GST_QUERY_POSITION,
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0
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};
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return types;
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}
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static gboolean
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gst_ogm_parse_sink_convert (GstPad * pad,
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GstFormat src_format, gint64 src_value,
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GstFormat * dest_format, gint64 * dest_value)
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{
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gboolean res = FALSE;
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GstOgmParse *ogm = GST_OGM_PARSE (gst_pad_get_parent (pad));
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switch (src_format) {
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case GST_FORMAT_DEFAULT:
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switch (*dest_format) {
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case GST_FORMAT_TIME:
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switch (ogm->hdr.streamtype[0]) {
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case 'a':
|
|
*dest_value = GST_SECOND * src_value / ogm->hdr.samples_per_unit;
|
|
res = TRUE;
|
|
break;
|
|
case 'v':
|
|
case 't':
|
|
*dest_value = (GST_SECOND / 10000000) *
|
|
ogm->hdr.time_unit * src_value;
|
|
res = TRUE;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case GST_FORMAT_TIME:
|
|
switch (*dest_format) {
|
|
case GST_FORMAT_DEFAULT:
|
|
switch (ogm->hdr.streamtype[0]) {
|
|
case 'a':
|
|
*dest_value = ogm->hdr.samples_per_unit * src_value / GST_SECOND;
|
|
res = TRUE;
|
|
break;
|
|
case 'v':
|
|
case 't':
|
|
*dest_value = src_value /
|
|
((GST_SECOND / 10000000) * ogm->hdr.time_unit);
|
|
res = TRUE;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
gst_object_unref (ogm);
|
|
return res;
|
|
}
|
|
|
|
static gboolean
|
|
gst_ogm_parse_sink_query (GstPad * pad, GstQuery * query)
|
|
{
|
|
GstOgmParse *ogm = GST_OGM_PARSE (gst_pad_get_parent (pad));
|
|
GstFormat format;
|
|
gboolean res = FALSE;
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_POSITION:
|
|
{
|
|
gint64 val;
|
|
|
|
gst_query_parse_position (query, &format, NULL);
|
|
|
|
if (format != GST_FORMAT_DEFAULT && format != GST_FORMAT_TIME)
|
|
break;
|
|
|
|
if ((res = gst_ogm_parse_sink_convert (pad,
|
|
GST_FORMAT_DEFAULT, ogm->next_granulepos, &format, &val))) {
|
|
/* don't know the total length here.. */
|
|
gst_query_set_position (query, format, val);
|
|
}
|
|
break;
|
|
}
|
|
case GST_QUERY_CONVERT:
|
|
{
|
|
GstFormat src_fmt, dest_fmt;
|
|
gint64 src_val, dest_val;
|
|
|
|
/* peel off input */
|
|
gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
|
|
if ((res = gst_ogm_parse_sink_convert (pad, src_fmt, src_val,
|
|
&dest_fmt, &dest_val))) {
|
|
gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
res = gst_pad_query_default (pad, query);
|
|
break;
|
|
}
|
|
|
|
gst_object_unref (ogm);
|
|
return res;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_ogm_parse_chain (GstPad * pad, GstBuffer * buffer)
|
|
{
|
|
GstFlowReturn ret = GST_FLOW_OK;
|
|
GstOgmParse *ogm = GST_OGM_PARSE (GST_PAD_PARENT (pad));
|
|
GstBuffer *buf = GST_BUFFER (buffer);
|
|
guint8 *data = GST_BUFFER_DATA (buf);
|
|
guint size = GST_BUFFER_SIZE (buf);
|
|
|
|
GST_DEBUG_OBJECT (ogm, "New packet with packet start code 0x%02x", data[0]);
|
|
|
|
switch (data[0]) {
|
|
case 0x01:{
|
|
GstCaps *caps = NULL;
|
|
|
|
/* stream header */
|
|
if (size < sizeof (stream_header) + 1) {
|
|
GST_ELEMENT_ERROR (ogm, STREAM, WRONG_TYPE,
|
|
("Buffer too small"), (NULL));
|
|
break;
|
|
}
|
|
|
|
if (!memcmp (&data[1], "video\000\000\000", 8)) {
|
|
ogm->hdr.s.video.width = GST_READ_UINT32_LE (&data[45]);
|
|
ogm->hdr.s.video.height = GST_READ_UINT32_LE (&data[49]);
|
|
} else if (!memcmp (&data[1], "audio\000\000\000", 8)) {
|
|
ogm->hdr.s.audio.channels = GST_READ_UINT32_LE (&data[45]);
|
|
ogm->hdr.s.audio.blockalign = GST_READ_UINT32_LE (&data[47]);
|
|
ogm->hdr.s.audio.avgbytespersec = GST_READ_UINT32_LE (&data[49]);
|
|
} else if (!memcmp (&data[1], "text\000\000\000\000", 8)) {
|
|
/* nothing here */
|
|
} else {
|
|
GST_ELEMENT_ERROR (ogm, STREAM, WRONG_TYPE,
|
|
("Unknown stream type"), (NULL));
|
|
break;
|
|
}
|
|
memcpy (ogm->hdr.streamtype, &data[1], 8);
|
|
memcpy (ogm->hdr.subtype, &data[9], 4);
|
|
ogm->hdr.size = GST_READ_UINT32_LE (&data[13]);
|
|
ogm->hdr.time_unit = GST_READ_UINT64_LE (&data[17]);
|
|
ogm->hdr.samples_per_unit = GST_READ_UINT64_LE (&data[25]);
|
|
ogm->hdr.default_len = GST_READ_UINT32_LE (&data[33]);
|
|
ogm->hdr.buffersize = GST_READ_UINT32_LE (&data[37]);
|
|
ogm->hdr.bits_per_sample = GST_READ_UINT32_LE (&data[41]);
|
|
|
|
switch (ogm->hdr.streamtype[0]) {
|
|
case 'a':{
|
|
guint codec_id;
|
|
|
|
if (!sscanf (ogm->hdr.subtype, "%04x", &codec_id)) {
|
|
caps = NULL;
|
|
break;
|
|
}
|
|
caps = gst_riff_create_audio_caps (codec_id,
|
|
NULL, NULL, NULL, NULL, NULL);
|
|
gst_caps_set_simple (caps,
|
|
"channels", G_TYPE_INT, ogm->hdr.s.audio.channels,
|
|
"rate", G_TYPE_INT, ogm->hdr.samples_per_unit, NULL);
|
|
GST_LOG_OBJECT (ogm, "Type: %s, subtype: 0x%04x, "
|
|
"channels: %d, samplerate: %d, blockalign: %d, bps: %d",
|
|
ogm->hdr.streamtype, codec_id, ogm->hdr.s.audio.channels,
|
|
ogm->hdr.samples_per_unit,
|
|
ogm->hdr.s.audio.blockalign, ogm->hdr.s.audio.avgbytespersec);
|
|
break;
|
|
}
|
|
case 'v':{
|
|
guint32 fcc;
|
|
|
|
fcc = GST_MAKE_FOURCC (ogm->hdr.subtype[0],
|
|
ogm->hdr.subtype[1], ogm->hdr.subtype[2], ogm->hdr.subtype[3]);
|
|
GST_LOG_OBJECT (ogm, "Type: %s, subtype: %" GST_FOURCC_FORMAT
|
|
", size: %dx%d, timeunit: %" G_GINT64_FORMAT
|
|
" (fps: %lf), s/u: %" G_GINT64_FORMAT ", "
|
|
"def.len: %d, bufsize: %d, bps: %d",
|
|
ogm->hdr.streamtype, GST_FOURCC_ARGS (fcc),
|
|
ogm->hdr.s.video.width, ogm->hdr.s.video.height,
|
|
ogm->hdr.time_unit, 10000000. / ogm->hdr.time_unit,
|
|
ogm->hdr.samples_per_unit, ogm->hdr.default_len,
|
|
ogm->hdr.buffersize, ogm->hdr.bits_per_sample);
|
|
caps = gst_riff_create_video_caps (fcc, NULL, NULL, NULL, NULL, NULL);
|
|
gst_caps_set_simple (caps,
|
|
"width", G_TYPE_INT, ogm->hdr.s.video.width,
|
|
"height", G_TYPE_INT, ogm->hdr.s.video.height,
|
|
"framerate", GST_TYPE_FRACTION, 10000000, ogm->hdr.time_unit,
|
|
NULL);
|
|
break;
|
|
}
|
|
case 't':
|
|
GST_LOG_OBJECT (ogm, "Type: %s, s/u: %" G_GINT64_FORMAT
|
|
", timeunit=%" G_GINT64_FORMAT,
|
|
ogm->hdr.streamtype, ogm->hdr.samples_per_unit,
|
|
ogm->hdr.time_unit);
|
|
caps = gst_caps_new_simple ("text/plain", NULL);
|
|
break;
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
if (ogm->srcpad) {
|
|
GstCaps *current_caps = GST_PAD_CAPS (ogm->srcpad);
|
|
|
|
if (current_caps && !gst_caps_is_equal (current_caps, caps)) {
|
|
GST_WARNING_OBJECT (ogm, "Already an existing pad %s:%s",
|
|
GST_DEBUG_PAD_NAME (ogm->srcpad));
|
|
gst_element_remove_pad (GST_ELEMENT (ogm), ogm->srcpad);
|
|
ogm->srcpad = NULL;
|
|
} else {
|
|
GST_DEBUG_OBJECT (ogm, "Existing pad has the same caps, do nothing");
|
|
}
|
|
}
|
|
if (ogm->srcpad == NULL) {
|
|
if (caps) {
|
|
ogm->srcpad = gst_pad_new ("src", GST_PAD_SRC);
|
|
gst_pad_set_caps (ogm->srcpad, caps);
|
|
} else {
|
|
GST_WARNING_OBJECT (ogm,
|
|
"No fixed caps were found, carrying on with template");
|
|
ogm->srcpad = gst_pad_new_from_template (ogm->srcpadtempl, "src");
|
|
}
|
|
gst_element_add_pad (GST_ELEMENT (ogm), ogm->srcpad);
|
|
}
|
|
break;
|
|
}
|
|
case 0x03:
|
|
/* comment - unused */
|
|
break;
|
|
default:
|
|
if ((data[0] & 0x01) == 0) {
|
|
/* data - push on */
|
|
guint len = ((data[0] & 0xc0) >> 6) | ((data[0] & 0x02) << 1);
|
|
guint xsize = 0, n;
|
|
GstBuffer *sbuf;
|
|
gboolean keyframe = (data[0] & 0x08) >> 3;
|
|
|
|
if (size < len + 1) {
|
|
GST_ELEMENT_ERROR (ogm, STREAM, WRONG_TYPE,
|
|
("Buffer too small"), (NULL));
|
|
break;
|
|
}
|
|
for (n = len; n > 0; n--) {
|
|
xsize = (xsize << 8) | data[n];
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (ogm,
|
|
"[0x%02x] samples: %d, hdrbytes: %d, datasize: %d",
|
|
data[0], xsize, len, size - len - 1);
|
|
sbuf = gst_buffer_create_sub (buf, len + 1, size - len - 1);
|
|
if (GST_BUFFER_OFFSET_END_IS_VALID (buf)) {
|
|
ogm->next_granulepos = GST_BUFFER_OFFSET_END (buf);
|
|
}
|
|
switch (ogm->hdr.streamtype[0]) {
|
|
case 't':
|
|
case 'v':{
|
|
gint samples = (ogm->hdr.streamtype[0] == 'v') ? 1 : xsize;
|
|
|
|
if (!keyframe)
|
|
GST_BUFFER_FLAG_SET (sbuf, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
|
|
GST_BUFFER_TIMESTAMP (sbuf) = (GST_SECOND / 10000000) *
|
|
ogm->next_granulepos * ogm->hdr.time_unit;
|
|
GST_BUFFER_DURATION (sbuf) = (GST_SECOND / 10000000) *
|
|
ogm->hdr.time_unit * samples;
|
|
ogm->next_granulepos += samples;
|
|
break;
|
|
}
|
|
case 'a':
|
|
GST_BUFFER_TIMESTAMP (sbuf) = GST_SECOND *
|
|
ogm->next_granulepos / ogm->hdr.samples_per_unit;
|
|
GST_BUFFER_DURATION (sbuf) = GST_SECOND * xsize /
|
|
ogm->hdr.samples_per_unit;
|
|
ogm->next_granulepos += xsize;
|
|
break;
|
|
default:
|
|
gst_buffer_unref (sbuf);
|
|
sbuf = NULL;
|
|
GST_ELEMENT_ERROR (ogm, RESOURCE, SYNC, (NULL), (NULL));
|
|
break;
|
|
}
|
|
gst_buffer_set_caps (sbuf, GST_PAD_CAPS (ogm->srcpad));
|
|
ret = gst_pad_push (ogm->srcpad, sbuf);
|
|
if (ret != GST_FLOW_OK) {
|
|
GST_DEBUG_OBJECT (ogm, "Flow return: %s", gst_flow_get_name (ret));
|
|
}
|
|
} else {
|
|
GST_ELEMENT_ERROR (ogm, STREAM, WRONG_TYPE,
|
|
("Wrong packet startcode 0x%02x", data[0]), (NULL));
|
|
}
|
|
break;
|
|
}
|
|
|
|
gst_buffer_unref (buf);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_ogm_parse_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstStateChangeReturn ret;
|
|
GstOgmParse *ogm = GST_OGM_PARSE (element);
|
|
|
|
ret = parent_class->change_state (element, transition);
|
|
if (ret != GST_STATE_CHANGE_SUCCESS)
|
|
return ret;
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
if (ogm->srcpad) {
|
|
gst_element_remove_pad (element, ogm->srcpad);
|
|
ogm->srcpad = NULL;
|
|
}
|
|
memset (&ogm->hdr, 0, sizeof (ogm->hdr));
|
|
ogm->next_granulepos = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
gboolean
|
|
gst_ogm_parse_plugin_init (GstPlugin * plugin)
|
|
{
|
|
GST_DEBUG_CATEGORY_INIT (gst_ogm_parse_debug, "ogmparse", 0, "ogm parser");
|
|
|
|
return gst_element_register (plugin, "ogmaudioparse", GST_RANK_PRIMARY,
|
|
GST_TYPE_OGM_AUDIO_PARSE) &&
|
|
gst_element_register (plugin, "ogmvideoparse", GST_RANK_PRIMARY,
|
|
GST_TYPE_OGM_VIDEO_PARSE) &&
|
|
gst_element_register (plugin, "ogmtextparse", GST_RANK_PRIMARY,
|
|
GST_TYPE_OGM_TEXT_PARSE);
|
|
}
|