mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 21:28:45 +00:00
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
|
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
|
*
|
|
* 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_QTDEMUX_H__
|
|
#define __GST_QTDEMUX_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/bytestream/bytestream.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#define GST_TYPE_QTDEMUX \
|
|
(gst_qtdemux_get_type())
|
|
#define GST_QTDEMUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QTDEMUX,GstQTDemux))
|
|
#define GST_QTDEMUX_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QTDEMUX,GstQTDemux))
|
|
#define GST_IS_QTDEMUX(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QTDEMUX))
|
|
#define GST_IS_QTDEMUX_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QTDEMUX))
|
|
|
|
#define GST_QTDEMUX_MAX_AUDIO_PADS 8
|
|
#define GST_QTDEMUX_MAX_VIDEO_PADS 8
|
|
|
|
/*
|
|
* smartass macross that turns guint32 into sequence of bytes separated with comma
|
|
* to be used in printf("%c%c%c%c",GST_FOURCC_TO_CHARSEQ(fourcc)) fashion
|
|
*/
|
|
#define GST_FOURCC_TO_CHARSEQ(f) f&0xff, (f>>8)&0xff , (f>>16)&0xff, f>>24
|
|
|
|
typedef struct _GstQTDemux GstQTDemux;
|
|
typedef struct _GstQTDemuxClass GstQTDemuxClass;
|
|
|
|
typedef struct {
|
|
guint64 start;
|
|
guint64 size; /* if 0, lasts till the end of file */
|
|
guint32 type;
|
|
} GstQtpAtom;
|
|
|
|
typedef struct {
|
|
guint32 size;
|
|
guint32 type;
|
|
} GstQtpAtomMinHeader;
|
|
|
|
#define GST_QTP_CONTAINER_ATOM 1
|
|
|
|
typedef void GstQtpAtomTypeHandler (GstQTDemux * qtdemux,GstQtpAtom * atom,gboolean enter);
|
|
|
|
typedef struct {
|
|
guint32 flags;
|
|
GstQtpAtomTypeHandler * handler;
|
|
} GstQtpAtomType;
|
|
|
|
typedef struct {
|
|
guint64 offset;
|
|
guint32 size;
|
|
guint32 timestamp;
|
|
struct _GstQtpTrack * track;
|
|
} GstQtpSample;
|
|
|
|
typedef struct _GstQtpTrack {
|
|
guint32 format;
|
|
guint32 width;
|
|
guint32 height;
|
|
guint32 time_scale; /* units per second */
|
|
guint32 sample_duration; /* units in sample */
|
|
|
|
/* temporary buffers with sample tables */
|
|
GstBuffer * stsd, * stts, * stsc, * stsz, * stco;
|
|
|
|
/* this track samples in array */
|
|
GstQtpSample * samples;
|
|
|
|
GstPad * pad;
|
|
} GstQtpTrack;
|
|
|
|
typedef struct {
|
|
guint32 size;
|
|
guint32 format;
|
|
char reserved[6];
|
|
guint16 dataref;
|
|
} __attribute__((packed)) /* FIXME may it wasn't necessary? */ GstQtpStsdRec;
|
|
|
|
typedef struct {
|
|
guint32 size;
|
|
guint32 format;
|
|
char reserved[6];
|
|
guint16 dataref;
|
|
guint16 version;
|
|
guint16 rev_level;
|
|
guint32 vendor;
|
|
guint32 temporal_quality;
|
|
guint32 spatial_quality;
|
|
guint16 width;
|
|
guint16 height;
|
|
guint32 hres;
|
|
guint32 vres;
|
|
guint32 data_size;
|
|
guint16 frame_count; /* frames per sample */
|
|
guint32 compressor_name;
|
|
guint16 depth;
|
|
guint16 color_table_id;
|
|
} __attribute__((packed)) /* FIXME may it wasn't necessary? */ GstQtpStsdVideRec;
|
|
|
|
typedef struct {
|
|
guint32 count;
|
|
guint32 duration;
|
|
} GstQtpSttsRec;
|
|
|
|
typedef struct {
|
|
guint32 first_chunk;
|
|
guint32 samples_per_chunk;
|
|
guint32 sample_desc;
|
|
} GstQtpStscRec;
|
|
|
|
struct _GstQTDemux {
|
|
GstElement element;
|
|
|
|
/* pads */
|
|
GstPad *sinkpad;
|
|
GstPad *video_pad[GST_QTDEMUX_MAX_VIDEO_PADS];
|
|
int num_video_pads;
|
|
|
|
GstByteStream *bs;
|
|
guint64 bs_pos; /* current position in bs (coz bs won't tell) */
|
|
|
|
/*
|
|
* nesting stack: everytime parser reads a header
|
|
* of a container atom it is added to the stack until
|
|
* and removed whenever it's over (read completely)
|
|
*/
|
|
GSList * nested;
|
|
int nested_cnt; /* just to make it simpler */
|
|
|
|
GList * tracks;
|
|
GTree * samples; /* samples of all the tracks ordered by the offset */
|
|
};
|
|
|
|
struct _GstQTDemuxClass {
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* __GST_QTDEMUX_H__ */
|