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Change RDTDemuxContext->st into an array of streams, which will make future

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patches adding stream-selection easier in code. See discussion in ML thread
"[PATCH] RDT/Realmedia patches #2".

Originally committed as revision 15964 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2008-11-30 22:24:35 +00:00
parent 79a1f3c023
commit 4f60285658
1 changed files with 15 additions and 5 deletions
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20
libavformat/rdt.c
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@ -37,7 +37,13 @@
struct RDTDemuxContext { struct RDTDemuxContext {
AVFormatContext *ic; /**< the containing (RTSP) demux context */ AVFormatContext *ic; /**< the containing (RTSP) demux context */
AVStream *st; /** Each RDT stream-set (represented by one RTSPStream) can contain
* multiple streams (of the same content, but with possibly different
* codecs/bitrates). Each such stream is represented by one AVStream
* in the AVFormatContext, and this variable points to the offset in
* that array such that the first is the first stream of this set. */
AVStream **streams;
int n_streams; /**< streams with identifical content in this set */
void *dynamic_protocol_context; void *dynamic_protocol_context;
DynamicPayloadPacketHandlerProc parse_packet; DynamicPayloadPacketHandlerProc parse_packet;
uint32_t prev_timestamp; uint32_t prev_timestamp;
@ -53,7 +59,11 @@ ff_rdt_parse_open(AVFormatContext *ic, int first_stream_of_set_idx,
return NULL; return NULL;
s->ic = ic; s->ic = ic;
s->st = ic->streams[first_stream_of_set_idx]; s->streams = &ic->streams[first_stream_of_set_idx];
do {
s->n_streams++;
} while (first_stream_of_set_idx + s->n_streams < ic->nb_streams &&
s->streams[s->n_streams]->priv_data == s->streams[0]->priv_data);
s->prev_set_id = -1; s->prev_set_id = -1;
s->prev_timestamp = -1; s->prev_timestamp = -1;
s->parse_packet = handler->parse_packet; s->parse_packet = handler->parse_packet;
@ -328,7 +338,7 @@ ff_rdt_parse_packet(RDTDemuxContext *s, AVPacket *pkt,
/* return the next packets, if any */ /* return the next packets, if any */
timestamp= 0; ///< Should not be used if buf is NULL, but should be set to the timestamp of the packet returned.... timestamp= 0; ///< Should not be used if buf is NULL, but should be set to the timestamp of the packet returned....
rv= s->parse_packet(s->dynamic_protocol_context, rv= s->parse_packet(s->dynamic_protocol_context,
s->st, pkt, &timestamp, NULL, 0, flags); s->streams[0], pkt, &timestamp, NULL, 0, flags);
return rv; return rv;
} }
@ -346,7 +356,7 @@ ff_rdt_parse_packet(RDTDemuxContext *s, AVPacket *pkt,
len -= rv; len -= rv;
rv = s->parse_packet(s->dynamic_protocol_context, rv = s->parse_packet(s->dynamic_protocol_context,
s->st, pkt, &timestamp, buf, len, flags); s->streams[0], pkt, &timestamp, buf, len, flags);
return rv; return rv;
} }
@ -365,7 +375,7 @@ ff_rdt_subscribe_rule2 (RDTDemuxContext *s, char *cmd, int size,
{ {
PayloadContext *rdt = s->dynamic_protocol_context; PayloadContext *rdt = s->dynamic_protocol_context;
rdt_load_mdpr(rdt, s->st, rule_nr * 2); rdt_load_mdpr(rdt, s->streams[0], rule_nr * 2);
} }
static unsigned char * static unsigned char *