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Change function prototype of RTPDynamicPayloadHandler.parse_packet() to

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not use RTPDemuxContext, but rather take a pointer to the payload context
directly. This allows using payload handlers regardless over the transport
over which they were sent, and prepares for the introduction of a future
RDTDemuxContext. See discussion in "RDT/Realmedia patches #2" thread on ML.

Originally committed as revision 15541 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2008-10-04 04:15:06 +00:00
parent ed0aacc76e
commit 9b932b8ac0
4 changed files with 15 additions and 12 deletions
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11
libavformat/rdt.c
View File

@ -163,14 +163,13 @@ ff_rdt_parse_header(const uint8_t *buf, int len,
/**< return 0 on packet, no more left, 1 on packet, 1 on partial packet... */
static int
rdt_parse_packet (RTPDemuxContext *s, AVPacket *pkt, uint32_t *timestamp,
rdt_parse_packet (PayloadContext *rdt, AVStream *st,
AVPacket *pkt, uint32_t *timestamp,
const uint8_t *buf, int len, int flags)
{
PayloadContext *rdt = s->dynamic_protocol_context;
int seq = 1, res;
ByteIOContext *pb = rdt->rmctx->pb;
RMContext *rm = rdt->rmctx->priv_data;
AVStream *st = s->st;
if (rm->audio_pkt_cnt == 0) {
int pos;
@ -217,7 +216,8 @@ ff_rdt_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
if (!buf) {
/* 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....
rv= s->parse_packet(s, pkt, &timestamp, NULL, 0, flags);
rv= s->parse_packet(s->dynamic_protocol_context,
s->st, pkt, &timestamp, NULL, 0, flags);
return rv;
}
@ -235,7 +235,8 @@ ff_rdt_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
len -= rv;
s->seq = seq;
rv = s->parse_packet(s, pkt, &timestamp, buf, len, flags);
rv = s->parse_packet(s->dynamic_protocol_context,
s->st, pkt, &timestamp, buf, len, flags);
return rv;
}

6
libavformat/rtp_h264.c
View File

@ -159,15 +159,13 @@ static void sdp_parse_fmtp_config_h264(AVStream * stream,
}
// return 0 on packet, no more left, 1 on packet, 1 on partial packet...
static int h264_handle_packet(RTPDemuxContext * s,
static int h264_handle_packet(PayloadContext *data,
AVStream *st,
AVPacket * pkt,
uint32_t * timestamp,
const uint8_t * buf,
int len, int flags)
{
#ifdef DEBUG
PayloadContext *data = s->dynamic_protocol_context;
#endif
uint8_t nal = buf[0];
uint8_t type = (nal & 0x1f);
int result= 0;

4
libavformat/rtp_internal.h
View File

@ -46,13 +46,15 @@ typedef struct PayloadContext PayloadContext;
* Packet parsing for "private" payloads in the RTP specs.
*
* @param s stream context
* @param st stream that this packet belongs to
* @param pkt packet in which to write the parsed data
* @param timestamp pointer in which to write the timestamp of this RTP packet
* @param buf pointer to raw RTP packet data
* @param len length of buf
* @param flags flags from the RTP packet header (PKT_FLAG_*)
*/
typedef int (*DynamicPayloadPacketHandlerProc) (struct RTPDemuxContext * s,
typedef int (*DynamicPayloadPacketHandlerProc) (PayloadContext *s,
AVStream *st,
AVPacket * pkt,
uint32_t *timestamp,
const uint8_t * buf,

6
libavformat/rtpdec.c
View File

@ -399,7 +399,8 @@ int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
/* return the next packets, if any */
if(s->st && s->parse_packet) {
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, pkt, &timestamp, NULL, 0, flags);
rv= s->parse_packet(s->dynamic_protocol_context,
s->st, pkt, &timestamp, NULL, 0, flags);
finalize_packet(s, pkt, timestamp);
return rv;
} else {
@ -463,7 +464,8 @@ int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
return 1;
}
} else if (s->parse_packet) {
rv = s->parse_packet(s, pkt, &timestamp, buf, len, flags);
rv = s->parse_packet(s->dynamic_protocol_context,
s->st, pkt, &timestamp, buf, len, flags);
} else {
// at this point, the RTP header has been stripped; This is ASSUMING that there is only 1 CSRC, which in't wise.
switch(st->codec->codec_id) {