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Split some of the generic header stuff into a seperate header file.

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Original commit message from CVS:
Split some of the generic header stuff into a seperate header file.
This commit is contained in:
Owen Fraser-Green 2003-01-31 21:41:07 +00:00
parent 2597a7e1e2
commit 9d3ecf1c18
3 changed files with 293 additions and 252 deletions
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252
gst/asfdemux/asfheaders.h Normal file
View file

@ -0,0 +1,252 @@
/* 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 ASFHEADERS_H
#define ASFHEADERS_H
typedef struct {
guint32 v1;
guint32 v2;
guint32 v3;
guint32 v4;
} ASFGuid;
typedef struct {
guint8 obj_id;
ASFGuid guid;
} ASFGuidHash;
enum {
ASF_OBJ_UNDEFINED = 0,
ASF_OBJ_STREAM,
ASF_OBJ_DATA,
ASF_OBJ_FILE,
ASF_OBJ_HEADER,
ASF_OBJ_CONCEAL_NONE,
ASF_OBJ_COMMENT,
ASF_OBJ_CODEC_COMMENT,
ASF_OBJ_INDEX,
ASF_OBJ_HEAD1,
ASF_OBJ_HEAD2,
ASF_OBJ_PADDING,
ASF_OBJ_BITRATE_PROPS,
ASF_OBJ_EXT_CONTENT_DESC
};
enum {
ASF_STREAM_UNDEFINED = 0,
ASF_STREAM_VIDEO,
ASF_STREAM_AUDIO,
};
enum {
ASF_CORRECTION_UNDEFINED = 0,
ASF_CORRECTION_ON,
ASF_CORRECTION_OFF,
};
static ASFGuidHash asf_correction_guids[] = {
{ ASF_CORRECTION_ON, { 0xBFC3CD50, 0x11CF618F, 0xAA00B28B, 0x20E2B400 }},
{ ASF_CORRECTION_OFF, { 0x20FB5700, 0x11CF5B55, 0x8000FDA8, 0x2B445C5F }},
{ ASF_CORRECTION_UNDEFINED, { 0, 0, 0, 0 }},
};
static ASFGuidHash asf_stream_guids[] = {
{ ASF_STREAM_VIDEO, { 0xBC19EFC0, 0x11CF5B4D, 0x8000FDA8, 0x2B445C5F }},
{ ASF_STREAM_AUDIO, { 0xF8699E40, 0x11CF5B4D, 0x8000FDA8, 0x2B445C5F }},
{ ASF_STREAM_UNDEFINED, { 0, 0, 0, 0 }},
};
struct _asf_obj_header {
guint32 num_objects;
guint8 unknown1;
guint8 unknown2;
};
typedef struct _asf_obj_header asf_obj_header;
struct _asf_obj_comment {
guint16 title_length;
guint16 author_length;
guint16 copyright_length;
guint16 description_length;
guint16 rating_length;
};
typedef struct _asf_obj_comment asf_obj_comment;
struct _asf_obj_file {
ASFGuid file_id;
guint64 file_size;
guint64 creation_time;
guint64 packets_count;
guint64 play_time;
guint64 send_time;
guint64 preroll;
guint32 flags;
guint32 min_pktsize;
guint32 max_pktsize;
guint32 min_bitrate;
};
typedef struct _asf_obj_file asf_obj_file;
struct _asf_obj_stream {
ASFGuid type;
ASFGuid correction;
guint64 offset;
guint32 unknown1;
guint32 unknown2;
guint16 id;
guint32 unknown3;
};
typedef struct _asf_obj_stream asf_obj_stream;
struct _asf_stream_audio {
guint16 codec_tag;
guint16 channels;
guint32 sample_rate;
guint32 byte_rate;
guint16 block_align;
guint16 word_size;
guint16 size;
};
typedef struct _asf_stream_audio asf_stream_audio;
struct _asf_stream_correction {
guint16 packet_size;
guint16 chunk_size;
guint16 data_size;
guint8 silence_data;
};
typedef struct _asf_stream_correction asf_stream_correction;
struct _asf_stream_video {
guint32 width;
guint32 height;
guint8 unknown;
guint16 size;
};
typedef struct _asf_stream_video asf_stream_video;
struct _asf_stream_video_format {
guint32 size;
guint32 width;
guint32 height;
guint16 planes;
guint16 depth;
guint32 tag;
guint32 image_size;
guint32 xpels_meter;
guint32 ypels_meter;
guint32 num_colors;
guint32 imp_colors;
};
typedef struct _asf_stream_video_format asf_stream_video_format;
struct _asf_obj_data {
ASFGuid file_id;
guint64 packets;
guint8 unknown1;
guint8 unknown2;
guint8 correction;
};
typedef struct _asf_obj_data asf_obj_data;
struct _asf_obj_data_correction {
guint8 type;
guint8 cycle;
};
typedef struct _asf_obj_data_correction asf_obj_data_correction;
struct _asf_obj_data_packet {
guint8 flags;
guint8 property;
};
typedef struct _asf_obj_data_packet asf_obj_data_packet;
struct _asf_packet_info {
guint32 padsize;
guint8 replicsizetype;
guint8 fragoffsettype;
guint8 seqtype;
guint8 segsizetype;
gboolean multiple;
guint32 size_left;
};
typedef struct _asf_packet_info asf_packet_info;
struct _asf_segment_info {
guint8 stream_number;
guint32 chunk_size;
guint32 frag_offset;
guint32 segment_size;
guint32 sequence;
guint32 frag_timestamp;
gboolean compressed;
};
typedef struct _asf_segment_info asf_segment_info;
struct _asf_replicated_data {
guint32 object_size;
guint32 frag_timestamp;
};
typedef struct _asf_replicated_data asf_replicated_data;
struct _asf_bitrate_record {
guint16 stream_id;
guint32 bitrate;
};
typedef struct _asf_bitrate_record asf_bitrate_record;
static ASFGuidHash asf_object_guids[] = {
{ ASF_OBJ_STREAM, { 0xB7DC0791, 0x11CFA9B7, 0xC000E68E, 0x6553200C }},
{ ASF_OBJ_DATA, { 0x75b22636, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }},
{ ASF_OBJ_FILE, { 0x8CABDCA1, 0x11CFA947, 0xC000E48E, 0x6553200C }},
{ ASF_OBJ_HEADER, { 0x75B22630, 0x11CF668E, 0xAA00D9A6, 0x6CCE6200 }},
{ ASF_OBJ_CONCEAL_NONE, { 0x20fb5700, 0x11cf5b55, 0x8000FDa8, 0x2B445C5f }},
{ ASF_OBJ_COMMENT, { 0x75b22633, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }},
{ ASF_OBJ_CODEC_COMMENT, { 0x86D15240, 0x11D0311D, 0xA000A4A3, 0xF64803C9 }},
{ ASF_OBJ_CODEC_COMMENT, { 0x86d15241, 0x11d0311d, 0xA000A4a3, 0xF64803c9 }},
{ ASF_OBJ_INDEX, { 0x33000890, 0x11cfe5b1, 0xA000F489, 0xCB4903c9 }},
{ ASF_OBJ_HEAD1, { 0x5fbf03b5, 0x11cfa92e, 0xC000E38e, 0x6553200c }},
{ ASF_OBJ_HEAD2, { 0xabd3d211, 0x11cfa9ba, 0xC000E68e, 0x6553200c }},
{ ASF_OBJ_PADDING, { 0x1806D474, 0x4509CADF, 0xAB9ABAA4, 0xE8AA96CD }},
{ ASF_OBJ_BITRATE_PROPS, { 0x7bf875ce, 0x11d1468d, 0x6000828d, 0xb2a2c997 }},
{ ASF_OBJ_EXT_CONTENT_DESC, { 0xd2d0a440, 0x11d2e307, 0xa000f097, 0x50a85ec9 }},
{ ASF_OBJ_UNDEFINED, { 0, 0, 0, 0 }},
};
/* ASFHEADERS_H */
#endif

275
gst/asfdemux/gstasfdemux.c
View file

@ -18,205 +18,8 @@
*/
//#define GST_DEBUG_ENABLED
#include "gstasfdemux.h"
enum {
ASF_OBJ_UNDEFINED = 0,
ASF_OBJ_STREAM,
ASF_OBJ_DATA,
ASF_OBJ_FILE,
ASF_OBJ_HEADER,
ASF_OBJ_CONCEAL_NONE,
ASF_OBJ_COMMENT,
ASF_OBJ_CODEC_COMMENT1,
ASF_OBJ_CODEC_COMMENT2,
ASF_OBJ_INDEX,
ASF_OBJ_HEAD1,
ASF_OBJ_HEAD2,
ASF_OBJ_PADDING,
ASF_OBJ_BITRATE_PROPS,
ASF_OBJ_EXT_CONTENT_DESC
};
enum {
ASF_STREAM_UNDEFINED = 0,
ASF_STREAM_VIDEO,
ASF_STREAM_AUDIO,
};
enum {
ASF_CORRECTION_UNDEFINED = 0,
ASF_CORRECTION_ON,
ASF_CORRECTION_OFF,
};
static GstASFGuidHash asf_correction_guids[] = {
{ ASF_CORRECTION_ON, { 0xBFC3CD50, 0x11CF618F, 0xAA00B28B, 0x20E2B400 }},
{ ASF_CORRECTION_OFF, { 0x20FB5700, 0x11CF5B55, 0x8000FDA8, 0x2B445C5F }},
{ ASF_CORRECTION_UNDEFINED, { 0, 0, 0, 0 }},
};
static GstASFGuidHash asf_stream_guids[] = {
{ ASF_STREAM_VIDEO, { 0xBC19EFC0, 0x11CF5B4D, 0x8000FDA8, 0x2B445C5F }},
{ ASF_STREAM_AUDIO, { 0xF8699E40, 0x11CF5B4D, 0x8000FDA8, 0x2B445C5F }},
{ ASF_STREAM_UNDEFINED, { 0, 0, 0, 0 }},
};
struct _asf_obj_header {
guint32 num_objects;
guint8 unknown1;
guint8 unknown2;
};
typedef struct _asf_obj_header asf_obj_header;
struct _asf_obj_comment {
guint16 title_length;
guint16 author_length;
guint16 copyright_length;
guint16 description_length;
guint16 rating_length;
};
typedef struct _asf_obj_comment asf_obj_comment;
struct _asf_obj_file {
GstASFGuid file_id;
guint64 file_size;
guint64 creation_time;
guint64 packets_count;
guint64 play_time;
guint64 send_time;
guint64 preroll;
guint32 flags;
guint32 min_pktsize;
guint32 max_pktsize;
guint32 min_bitrate;
};
typedef struct _asf_obj_file asf_obj_file;
struct _asf_obj_stream {
GstASFGuid type;
GstASFGuid correction;
guint64 offset;
guint32 unknown1;
guint32 unknown2;
guint16 id;
guint32 unknown3;
};
typedef struct _asf_obj_stream asf_obj_stream;
struct _asf_stream_audio {
guint16 codec_tag;
guint16 channels;
guint32 sample_rate;
guint32 byte_rate;
guint16 block_align;
guint16 word_size;
guint16 size;
};
typedef struct _asf_stream_audio asf_stream_audio;
struct _asf_stream_correction {
guint16 packet_size;
guint16 chunk_size;
guint16 data_size;
guint8 silence_data;
};
typedef struct _asf_stream_correction asf_stream_correction;
struct _asf_stream_video {
guint32 width;
guint32 height;
guint8 unknown;
guint16 size;
};
typedef struct _asf_stream_video asf_stream_video;
struct _asf_stream_video_format {
guint32 size;
guint32 width;
guint32 height;
guint16 planes;
guint16 depth;
guint32 tag;
guint32 image_size;
guint32 xpels_meter;
guint32 ypels_meter;
guint32 num_colors;
guint32 imp_colors;
};
typedef struct _asf_stream_video_format asf_stream_video_format;
struct _asf_obj_data {
GstASFGuid file_id;
guint64 packets;
guint8 unknown1;
guint8 unknown2;
guint8 correction;
};
typedef struct _asf_obj_data asf_obj_data;
struct _asf_obj_data_correction {
guint8 type;
guint8 cycle;
};
typedef struct _asf_obj_data_correction asf_obj_data_correction;
struct _asf_obj_data_packet {
guint8 flags;
guint8 property;
};
typedef struct _asf_obj_data_packet asf_obj_data_packet;
struct _asf_packet_info {
guint32 padsize;
guint8 replicsizetype;
guint8 fragoffsettype;
guint8 seqtype;
guint8 segsizetype;
gboolean multiple;
guint32 size_left;
};
typedef struct _asf_packet_info asf_packet_info;
struct _asf_segment_info {
guint8 stream_number;
guint32 chunk_size;
guint32 frag_offset;
guint32 segment_size;
guint32 sequence;
guint32 frag_timestamp;
gboolean compressed;
};
typedef struct _asf_segment_info asf_segment_info;
struct _asf_replicated_data {
guint32 object_size;
guint32 frag_timestamp;
};
typedef struct _asf_replicated_data asf_replicated_data;
struct _asf_bitrate_record {
guint16 stream_id;
guint32 bitrate;
};
typedef struct _asf_bitrate_record asf_bitrate_record;
#include "asfheaders.h"
/* elementfactory information */
static GstElementDetails gst_asf_demux_details = {
@ -468,8 +271,8 @@ static void gst_asf_demux_get_property (GObject *object,
GValue *value,
GParamSpec *pspec);
static guint32 gst_asf_demux_identify_guid (GstASFDemux *asf_demux,
GstASFGuidHash *guids,
GstASFGuid *guid_raw);
ASFGuidHash *guids,
ASFGuid *guid_raw);
static gboolean gst_asf_demux_process_chunk (GstASFDemux *asf_demux,
asf_packet_info *packet_info,
asf_segment_info *segment_info);
@ -1081,43 +884,18 @@ gst_asf_demux_skip_object (GstASFDemux *asf_demux, guint64 *filepos, guint64 *ob
return TRUE;
}
static gboolean
gst_asf_demux_do_nothing (GstASFDemux *asf_demux, guint64 *filepos, guint64 *obj_size)
{
GST_INFO (GST_CAT_PLUGIN_INFO, "Do nothing...");
return TRUE;
}
static GstASFGuidHash asf_object_guids[] = {
{ ASF_OBJ_STREAM, { 0xB7DC0791, 0x11CFA9B7, 0xC000E68E, 0x6553200C }, gst_asf_demux_process_stream},
{ ASF_OBJ_DATA, { 0x75b22636, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }, gst_asf_demux_process_data},
{ ASF_OBJ_FILE, { 0x8CABDCA1, 0x11CFA947, 0xC000E48E, 0x6553200C }, gst_asf_demux_process_file},
{ ASF_OBJ_HEADER, { 0x75B22630, 0x11CF668E, 0xAA00D9A6, 0x6CCE6200 }, gst_asf_demux_process_header},
{ ASF_OBJ_CONCEAL_NONE, { 0x20fb5700, 0x11cf5b55, 0x8000FDa8, 0x2B445C5f }, gst_asf_demux_do_nothing},
{ ASF_OBJ_COMMENT, { 0x75b22633, 0x11cf668e, 0xAA00D9a6, 0x6Cce6200 }, gst_asf_demux_process_comment},
{ ASF_OBJ_CODEC_COMMENT1, { 0x86D15240, 0x11D0311D, 0xA000A4A3, 0xF64803C9 }, gst_asf_demux_skip_object},
{ ASF_OBJ_CODEC_COMMENT2, { 0x86d15241, 0x11d0311d, 0xA000A4a3, 0xF64803c9 }, gst_asf_demux_skip_object},
{ ASF_OBJ_INDEX, { 0x33000890, 0x11cfe5b1, 0xA000F489, 0xCB4903c9 }, gst_asf_demux_skip_object},
{ ASF_OBJ_HEAD1, { 0x5fbf03b5, 0x11cfa92e, 0xC000E38e, 0x6553200c }, gst_asf_demux_skip_object},
{ ASF_OBJ_HEAD2, { 0xabd3d211, 0x11cfa9ba, 0xC000E68e, 0x6553200c }, gst_asf_demux_do_nothing},
{ ASF_OBJ_PADDING, { 0x1806D474, 0x4509CADF, 0xAB9ABAA4, 0xE8AA96CD }, gst_asf_demux_skip_object},
{ ASF_OBJ_BITRATE_PROPS, { 0x7bf875ce, 0x11d1468d, 0x6000828d, 0xb2a2c997 }, gst_asf_demux_process_bitrate_props_object},
{ ASF_OBJ_EXT_CONTENT_DESC, { 0xd2d0a440, 0x11d2e307, 0xa000f097, 0x50a85ec9 }, gst_asf_demux_skip_object},
{ ASF_OBJ_UNDEFINED, { 0, 0, 0, 0 }, NULL},
};
static inline gboolean
gst_asf_demux_read_object_header (GstASFDemux *asf_demux, guint32 *obj_id, guint64 *obj_size)
{
guint32 got_bytes;
GstASFGuid *guid;
ASFGuid *guid;
guint64 *size;
GstByteStream *bs = asf_demux->bs;
/* First get the GUID */
got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&guid, sizeof(GstASFGuid));
if (got_bytes < sizeof (GstASFGuid)) {
got_bytes = gst_bytestream_peek_bytes (bs, (guint8**)&guid, sizeof(ASFGuid));
if (got_bytes < sizeof (ASFGuid)) {
guint32 remaining;
GstEvent *event;
@ -1129,7 +907,7 @@ gst_asf_demux_read_object_header (GstASFDemux *asf_demux, guint32 *obj_id, guint
*obj_id = gst_asf_demux_identify_guid (asf_demux, asf_object_guids, guid);
gst_bytestream_flush (bs, sizeof (GstASFGuid));
gst_bytestream_flush (bs, sizeof (ASFGuid));
if (*obj_id == ASF_OBJ_UNDEFINED) {
GST_INFO (GST_CAT_PLUGIN_INFO, "Object found with unknown GUID %08x %08x %08x %08x", guid->v1, guid->v2, guid->v3, guid->v4);
@ -1169,11 +947,38 @@ gst_asf_demux_process_object (GstASFDemux *asf_demux,
GST_INFO (GST_CAT_PLUGIN_INFO, "Found object %u with size %llu", obj_id, obj_size);
if (obj_id == ASF_OBJ_UNDEFINED) {
switch (obj_id) {
case ASF_OBJ_STREAM:
return gst_asf_demux_process_stream (asf_demux, filepos, &obj_size);
case ASF_OBJ_DATA:
gst_asf_demux_process_data (asf_demux, filepos, &obj_size);
/* This is the last object */
return FALSE;
case ASF_OBJ_FILE:
return gst_asf_demux_process_file (asf_demux, filepos, &obj_size);
case ASF_OBJ_HEADER:
return gst_asf_demux_process_header (asf_demux, filepos, &obj_size);
case ASF_OBJ_CONCEAL_NONE:
break;
case ASF_OBJ_COMMENT:
return gst_asf_demux_process_comment (asf_demux, filepos, &obj_size);
case ASF_OBJ_CODEC_COMMENT:
return gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
case ASF_OBJ_INDEX:
return gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
case ASF_OBJ_HEAD1:
return gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
case ASF_OBJ_HEAD2:
break;
case ASF_OBJ_PADDING:
return gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
case ASF_OBJ_EXT_CONTENT_DESC:
return gst_asf_demux_skip_object (asf_demux, filepos, &obj_size);
case ASF_OBJ_BITRATE_PROPS:
return gst_asf_demux_process_bitrate_props_object (asf_demux, filepos, &obj_size);
default:
gst_element_error (GST_ELEMENT (asf_demux), "Unknown ASF object");
return FALSE;
} else {
return asf_object_guids[obj_id - 1].process_object (asf_demux, filepos, &obj_size);
}
return TRUE;
@ -1508,11 +1313,11 @@ gst_asf_demux_change_state (GstElement *element)
static guint32
gst_asf_demux_identify_guid (GstASFDemux *asf_demux,
GstASFGuidHash *guids,
GstASFGuid *guid_raw)
ASFGuidHash *guids,
ASFGuid *guid_raw)
{
guint32 i;
GstASFGuid guid;
ASFGuid guid;
/* guid_raw is passed in 'as-is' from the file
* so we must convert it's endianess */

18
gst/asfdemux/gstasfdemux.h
View file

@ -25,6 +25,7 @@
#include <gst/gst.h>
#include <gst/riff/riff.h>
#include <gst/bytestream/bytestream.h>
#include "asfheaders.h"
G_BEGIN_DECLS
@ -42,23 +43,6 @@ G_BEGIN_DECLS
typedef struct _GstASFDemux GstASFDemux;
typedef struct _GstASFDemuxClass GstASFDemuxClass;
typedef struct {
guint32 v1;
guint32 v2;
guint32 v3;
guint32 v4;
} GstASFGuid;
typedef struct {
guint8 obj_id;
GstASFGuid guid;
gboolean (*process_object) (GstASFDemux *asf_demux,
guint64 *filepos,
guint64 *obj_size);
} GstASFGuidHash;
struct _GstASFStreamContext {
GstPad *pad;
guint64 pts;