mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-28 20:51:13 +00:00
72edd1467b
Adds code that parses headers of various formats encapsulated in Ogg in order to calculate timestamps and durations of each buffer. Removes the creation of helper decoder elements to do this calculation via conversion queries. Fixes: #344013, #568014.
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* GStreamer
|
|
* Copyright (C) 2009 David Schleef <ds@schleef.org>
|
|
*
|
|
* gstoggstream.h: header for GstOggStream
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_OGG_STREAM_H__
|
|
#define __GST_OGG_STREAM_H__
|
|
|
|
#include <ogg/ogg.h>
|
|
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstOggStream GstOggStream;
|
|
|
|
struct _GstOggStream
|
|
{
|
|
ogg_stream_state stream;
|
|
|
|
guint32 serialno;
|
|
GList *headers;
|
|
|
|
/* for oggparse */
|
|
gboolean in_headers;
|
|
GList *unknown_pages;
|
|
|
|
gint map;
|
|
gboolean is_skeleton;
|
|
gboolean have_fisbone;
|
|
gint granulerate_n;
|
|
gint granulerate_d;
|
|
guint32 preroll;
|
|
guint granuleshift;
|
|
gint n_header_packets;
|
|
gint n_header_packets_seen;
|
|
gint64 accumulated_granule;
|
|
gint frame_size;
|
|
|
|
GstCaps *caps;
|
|
|
|
/* vorbis stuff */
|
|
int nln_increments[4];
|
|
int nsn_increment;
|
|
int short_size;
|
|
int long_size;
|
|
int vorbis_log2_num_modes;
|
|
int vorbis_mode_sizes[256];
|
|
};
|
|
|
|
|
|
gboolean gst_ogg_stream_setup_map (GstOggStream * pad, ogg_packet *packet);
|
|
GstClockTime gst_ogg_stream_get_end_time_for_granulepos (GstOggStream *pad,
|
|
gint64 granulepos);
|
|
GstClockTime gst_ogg_stream_get_start_time_for_granulepos (GstOggStream *pad,
|
|
gint64 granulepos);
|
|
GstClockTime gst_ogg_stream_granule_to_time (GstOggStream *pad, gint64 granule);
|
|
gint64 gst_ogg_stream_granulepos_to_granule (GstOggStream * pad, gint64 granulepos);
|
|
GstClockTime gst_ogg_stream_get_packet_start_time (GstOggStream *pad,
|
|
ogg_packet *packet);
|
|
gboolean gst_ogg_stream_granulepos_is_key_frame (GstOggStream *pad,
|
|
gint64 granulepos);
|
|
gboolean gst_ogg_stream_packet_is_header (GstOggStream *pad, ogg_packet *packet);
|
|
gint64 gst_ogg_stream_get_packet_duration (GstOggStream * pad, ogg_packet *packet);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_OGG_STREAM_H__ */
|