mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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56efeff3b4
Original commit message from CVS: adding new quicktime parser: - openquicktime free (hense gst/qtdemux) - no more seeks for parsing -> better for network streams - uses GstByteStream - less memcpy's - long ChangeLog record in pompous style
168 lines
4.2 KiB
C
168 lines
4.2 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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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#ifndef __GST_QTDEMUX_H__
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#define __GST_QTDEMUX_H__
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#include <gst/gst.h>
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#include <gst/bytestream/bytestream.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define GST_TYPE_QTDEMUX \
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(gst_qtdemux_get_type())
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#define GST_QTDEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QTDEMUX,GstQTDemux))
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#define GST_QTDEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QTDEMUX,GstQTDemux))
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#define GST_IS_QTDEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QTDEMUX))
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#define GST_IS_QTDEMUX_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QTDEMUX))
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#define GST_QTDEMUX_MAX_AUDIO_PADS 8
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#define GST_QTDEMUX_MAX_VIDEO_PADS 8
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/*
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* smartass macross that turns guint32 into sequence of bytes separated with comma
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* to be used in printf("%c%c%c%c",GST_FOURCC_TO_CHARSEQ(fourcc)) fashion
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*/
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#define GST_FOURCC_TO_CHARSEQ(f) f&0xff, (f>>8)&0xff , (f>>16)&0xff, f>>24
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typedef struct _GstQTDemux GstQTDemux;
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typedef struct _GstQTDemuxClass GstQTDemuxClass;
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typedef struct {
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guint64 start;
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guint64 size; /* if 0, lasts till the end of file */
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guint32 type;
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} GstQtpAtom;
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typedef struct {
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guint32 size;
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guint32 type;
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} GstQtpAtomMinHeader;
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#define GST_QTP_CONTAINER_ATOM 1
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typedef void GstQtpAtomTypeHandler (GstQTDemux * qtdemux,GstQtpAtom * atom,gboolean enter);
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typedef struct {
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guint32 flags;
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GstQtpAtomTypeHandler * handler;
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} GstQtpAtomType;
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typedef struct {
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guint64 offset;
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guint32 size;
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guint32 timestamp;
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struct _GstQtpTrack * track;
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} GstQtpSample;
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typedef struct _GstQtpTrack {
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guint32 format;
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guint32 width;
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guint32 height;
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guint32 time_scale; /* units per second */
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guint32 sample_duration; /* units in sample */
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/* temporary buffers with sample tables */
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GstBuffer * stsd, * stts, * stsc, * stsz, * stco;
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/* this track samples in array */
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GstQtpSample * samples;
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GstPad * pad;
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} GstQtpTrack;
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typedef struct {
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guint32 size;
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guint32 format;
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char reserved[6];
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guint16 dataref;
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} __attribute__((packed)) /* FIXME may it wasn't necessary? */ GstQtpStsdRec;
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typedef struct {
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guint32 size;
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guint32 format;
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char reserved[6];
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guint16 dataref;
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guint16 version;
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guint16 rev_level;
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guint32 vendor;
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guint32 temporal_quality;
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guint32 spatial_quality;
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guint16 width;
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guint16 height;
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guint32 hres;
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guint32 vres;
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guint32 data_size;
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guint16 frame_count; /* frames per sample */
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guint32 compressor_name;
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guint16 depth;
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guint16 color_table_id;
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} __attribute__((packed)) /* FIXME may it wasn't necessary? */ GstQtpStsdVideRec;
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typedef struct {
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guint32 count;
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guint32 duration;
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} GstQtpSttsRec;
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typedef struct {
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guint32 first_chunk;
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guint32 samples_per_chunk;
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guint32 sample_desc;
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} GstQtpStscRec;
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struct _GstQTDemux {
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GstElement element;
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/* pads */
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GstPad *sinkpad;
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GstPad *video_pad[GST_QTDEMUX_MAX_VIDEO_PADS];
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int num_video_pads;
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GstByteStream *bs;
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guint64 bs_pos; /* current position in bs (coz bs won't tell) */
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/*
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* nesting stack: everytime parser reads a header
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* of a container atom it is added to the stack until
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* and removed whenever it's over (read completely)
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*/
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GSList * nested;
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int nested_cnt; /* just to make it simpler */
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GList * tracks;
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GTree * samples; /* samples of all the tracks ordered by the offset */
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};
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struct _GstQTDemuxClass {
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GstElementClass parent_class;
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};
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GST_QTDEMUX_H__ */
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