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gst/asfdemux/: - fix ASF_OBJ_PADDING guid

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Original commit message from CVS:
* gst/asfdemux/asfheaders.c :
* gst/asfdemux/asfheaders.h :
* gst/asfdemux/gstasfdemux.c :
- fix ASF_OBJ_PADDING guid
- add 3 new object guids (language list, metadata,
extended stream properties)
- add a function to parse extended header objects
This commit is contained in:
Stéphane Loeuillet 2004-05-18 01:38:49 +00:00
parent 88a86abb3d
commit a381bca202
4 changed files with 82 additions and 16 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2004-05-18 Stephane Loeuillet <stephane.loeuillet@tiscali.fr>
* gst/asfdemux/asfheaders.c :
* gst/asfdemux/asfheaders.h :
* gst/asfdemux/gstasfdemux.c :
- fix ASF_OBJ_PADDING guid
- add 3 new object guids (language list, metadata,
extended stream properties)
- add a function to parse extended header objects
2004-05-18 Benjamin Otte <in7y118@public.uni-hamburg.de>
* sys/oss/gstosselement.c: (gst_osselement_sync_parms):

21
gst/asfdemux/asfheaders.c
View file

@ -46,6 +46,15 @@ ASFGuidHash asf_stream_guids[] = {
,
};
/*
2 unknown GUIDs found in an extended header object :
(0x26f18b5d/0x47ec4584/0x650e5f9f/0xc952041f) with size=26
(0xd9aade20/0x4f9c7c17/0x558528bc/0xa2e298dd) with size=34
*/
ASFGuidHash asf_object_guids[] = {
{ASF_OBJ_STREAM, {0xB7DC0791, 0x11CFA9B7, 0xC000E68E, 0x6553200C}
}
@ -80,7 +89,7 @@ ASFGuidHash asf_object_guids[] = {
{ASF_OBJ_HEAD2, {0xabd3d211, 0x11cfa9ba, 0xC000E68e, 0x6553200c}
}
,
{ASF_OBJ_PADDING, {0x1806D474, 0x4509CADF, 0xAB9ABAA4, 0xE8AA96CD}
{ASF_OBJ_PADDING, {0x1806D474, 0x4509CADF, 0xAB9ABAA4, 0xE8AA96CB}
}
,
{ASF_OBJ_BITRATE_PROPS, {0x7bf875ce, 0x11d1468d, 0x6000828d, 0xb2a2c997}
@ -92,6 +101,16 @@ ASFGuidHash asf_object_guids[] = {
{ASF_OBJ_BITRATE_MUTEX, {0xd6e229dc, 0x11d135da, 0xa0003490, 0xbe4903c9}
}
,
{ASF_OBJ_LANGUAGE_LIST, {0x7c4346a9, 0x4bfcefe0, 0x3e3929b2, 0x855c41de}
}
,
{ASF_OBJ_METADATA_OBJECT, {0xc5f8cbea, 0x48775baf, 0x8caa6784, 0xca4cfa44}
}
,
{ASF_OBJ_EXTENDED_STREAM_PROPS, {0x14e6a5cb, 0x4332c672, 0x69a99983,
0x5a5b0652}
}
,
{ASF_OBJ_UNDEFINED, {0, 0, 0, 0}
}
,

11
gst/asfdemux/asfheaders.h
View file

@ -51,6 +51,9 @@ enum {
ASF_OBJ_BITRATE_PROPS,
ASF_OBJ_EXT_CONTENT_DESC,
ASF_OBJ_BITRATE_MUTEX,
ASF_OBJ_LANGUAGE_LIST,
ASF_OBJ_METADATA_OBJECT,
ASF_OBJ_EXTENDED_STREAM_PROPS,
};
enum {
@ -77,6 +80,14 @@ struct _asf_obj_header {
typedef struct _asf_obj_header asf_obj_header;
struct _asf_obj_header_ext {
ASFGuid reserved1;
guint16 reserved2;
guint32 data_size;
};
typedef struct _asf_obj_header_ext asf_obj_header_ext;
struct _asf_obj_comment {
guint16 title_length;
guint16 author_length;

56
gst/asfdemux/gstasfdemux.c
View file

@ -376,6 +376,14 @@ _read_obj_header (GstASFDemux * asf_demux, asf_obj_header * header)
_read_uint8 (asf_demux, &header->unknown2));
}
static gboolean
_read_obj_header_ext (GstASFDemux * asf_demux, asf_obj_header_ext * header_ext)
{
return (_read_guid (asf_demux, &header_ext->reserved1) &&
_read_uint16 (asf_demux, &header_ext->reserved2) &&
_read_uint32 (asf_demux, &header_ext->data_size));
}
static gboolean
_read_obj_stream (GstASFDemux * asf_demux, asf_obj_stream * stream)
{
@ -596,7 +604,6 @@ fail:
return FALSE;
}
static gboolean
gst_asf_demux_process_header (GstASFDemux * asf_demux, guint64 * obj_size)
{
@ -618,6 +625,28 @@ gst_asf_demux_process_header (GstASFDemux * asf_demux, guint64 * obj_size)
return TRUE;
}
static gboolean
gst_asf_demux_process_header_ext (GstASFDemux * asf_demux, guint64 * obj_size)
{
asf_obj_header_ext object;
guint64 original_offset;
/* Get the rest of the header's header */
_read_obj_header_ext (asf_demux, &object);
GST_INFO ("Object is an extended header with a size of %u bytes",
object.data_size);
original_offset = asf_demux->bs->offset;
while ((asf_demux->bs->offset - original_offset) < object.data_size) {
if (!gst_asf_demux_process_object (asf_demux))
return FALSE;
}
return TRUE;
}
static gboolean
gst_asf_demux_process_segment (GstASFDemux * asf_demux,
asf_packet_info * packet_info)
@ -1006,25 +1035,23 @@ gst_asf_demux_process_object (GstASFDemux * asf_demux)
break;
case ASF_OBJ_COMMENT:
return gst_asf_demux_process_comment (asf_demux, &obj_size);
case ASF_OBJ_CODEC_COMMENT:
return gst_asf_demux_skip_object (asf_demux, &obj_size);
case ASF_OBJ_INDEX:
return gst_asf_demux_skip_object (asf_demux, &obj_size);
case ASF_OBJ_HEAD1:
return gst_asf_demux_skip_object (asf_demux, &obj_size);
return gst_asf_demux_process_header_ext (asf_demux, &obj_size);
case ASF_OBJ_HEAD2:
break;
case ASF_OBJ_PADDING:
return gst_asf_demux_skip_object (asf_demux, &obj_size);
case ASF_OBJ_EXT_CONTENT_DESC:
return gst_asf_demux_skip_object (asf_demux, &obj_size);
case ASF_OBJ_BITRATE_PROPS:
return gst_asf_demux_process_bitrate_props_object (asf_demux, &obj_size);
case ASF_OBJ_BITRATE_MUTEX:
return gst_asf_demux_skip_object (asf_demux, &obj_size);
case ASF_OBJ_UNDEFINED:
case ASF_OBJ_CODEC_COMMENT:
case ASF_OBJ_INDEX:
case ASF_OBJ_PADDING:
case ASF_OBJ_EXT_CONTENT_DESC:
case ASF_OBJ_BITRATE_MUTEX:
case ASF_OBJ_LANGUAGE_LIST:
case ASF_OBJ_METADATA_OBJECT:
case ASF_OBJ_EXTENDED_STREAM_PROPS:
default:
/* unknown object read, just ignore it, we hate fatal errors */
/* unknown/unhandled object read, just ignore it, we hate fatal errors */
return gst_asf_demux_skip_object (asf_demux, &obj_size);
}
@ -1185,7 +1212,7 @@ gst_asf_demux_process_chunk (GstASFDemux * asf_demux,
(GST_SECOND / 1000) * asf_demux->pts;
/*!!! Should handle flush events here? */
GST_DEBUG ("Sending strem %d of size %d", stream->id,
GST_DEBUG ("Sending stream %d of size %d", stream->id,
segment_info->chunk_size);
GST_INFO ("Pushing pad");
@ -1789,7 +1816,6 @@ gst_asf_demux_setup_pad (GstASFDemux * asf_demux,
GST_INFO ("Adding pad for stream %u", asf_demux->num_streams);
asf_demux->num_streams++;
gst_element_add_pad (GST_ELEMENT (asf_demux), src_pad);