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rtsp/rtpdec: Allow rtp_parse_packet to take ownership of the packet buffer

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Do the same change for ff_rdt_parse_packet, too, to keep the interfaces
similar.

Originally committed as revision 25289 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-10-01 17:43:27 +00:00
parent 96a7c9753e
commit ad4ad27fb6
5 changed files with 9 additions and 7 deletions
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3
libavformat/rdt.c
View File

@ -337,8 +337,9 @@ get_cache:
int
ff_rdt_parse_packet(RDTDemuxContext *s, AVPacket *pkt,
const uint8_t *buf, int len)
uint8_t **bufptr, int len)
{
uint8_t *buf = bufptr ? *bufptr : NULL;
int seq_no, flags = 0, stream_id, set_id, is_keyframe;
uint32_t timestamp;
int rv= 0;

2
libavformat/rdt.h
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@ -96,7 +96,7 @@ int ff_rdt_parse_header(const uint8_t *buf, int len,
* Usage similar to rtp_parse_packet().
*/
int ff_rdt_parse_packet(RDTDemuxContext *s, AVPacket *pkt,
const uint8_t *buf, int len);
uint8_t **buf, int len);
/**
* Parse a server-related SDP line.

5
libavformat/rtpdec.c
View File

@ -414,14 +414,15 @@ static void finalize_packet(RTPDemuxContext *s, AVPacket *pkt, uint32_t timestam
* Parse an RTP or RTCP packet directly sent as a buffer.
* @param s RTP parse context.
* @param pkt returned packet
* @param buf input buffer or NULL to read the next packets
* @param bufptr pointer to the input buffer or NULL to read the next packets
* @param len buffer len
* @return 0 if a packet is returned, 1 if a packet is returned and more can follow
* (use buf as NULL to read the next). -1 if no packet (error or no more packet).
*/
int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
const uint8_t *buf, int len)
uint8_t **bufptr, int len)
{
uint8_t* buf = bufptr ? *bufptr : NULL;
unsigned int ssrc, h;
int payload_type, seq, ret, flags = 0;
AVStream *st;

2
libavformat/rtpdec.h
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@ -39,7 +39,7 @@ RTPDemuxContext *rtp_parse_open(AVFormatContext *s1, AVStream *st, URLContext *r
void rtp_parse_set_dynamic_protocol(RTPDemuxContext *s, PayloadContext *ctx,
RTPDynamicProtocolHandler *handler);
int rtp_parse_packet(RTPDemuxContext *s, AVPacket *pkt,
const uint8_t *buf, int len);
uint8_t **buf, int len);
void rtp_parse_close(RTPDemuxContext *s);
#if (LIBAVFORMAT_VERSION_MAJOR <= 53)
int rtp_get_local_port(URLContext *h);

4
libavformat/rtsp.c
View File

@ -1843,9 +1843,9 @@ static int rtsp_fetch_packet(AVFormatContext *s, AVPacket *pkt)
if (len == 0)
return AVERROR_EOF;
if (rt->transport == RTSP_TRANSPORT_RDT) {
ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, rt->recvbuf, len);
ret = ff_rdt_parse_packet(rtsp_st->transport_priv, pkt, &rt->recvbuf, len);
} else {
ret = rtp_parse_packet(rtsp_st->transport_priv, pkt, rt->recvbuf, len);
ret = rtp_parse_packet(rtsp_st->transport_priv, pkt, &rt->recvbuf, len);
if (ret < 0) {
/* Either bad packet, or a RTCP packet. Check if the
* first_rtcp_ntp_time field was initialized. */