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rtp: Factorize the check for distinguishing RTCP packets from RTP

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The binary doesn't change after this patch.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-02-16 17:31:03 +01:00
parent c6643fddba
commit 298a587f44
6 changed files with 7 additions and 5 deletions
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2
libavformat/movenchint.c
View File

@ -333,7 +333,7 @@ static int write_hint_packets(AVIOContext *out, const uint8_t *data,
size -= 4;
if (packet_len > size || packet_len <= 12)
break;
if (data[1] >= RTCP_SR && data[1] <= RTCP_APP) {
if (RTP_PT_IS_RTCP(data[1])) {
/* RTCP packet, just skip */
data += packet_len;
size -= packet_len;

2
libavformat/rtp.h
View File

@ -91,4 +91,6 @@ enum RTCPType {
RTCP_APP // 204
};
#define RTP_PT_IS_RTCP(x) ((x) >= RTCP_SR && (x) <= RTCP_APP)
#endif /* AVFORMAT_RTP_H */

2
libavformat/rtpdec.c
View File

@ -695,7 +695,7 @@ static int rtp_parse_one_packet(RTPDemuxContext *s, AVPacket *pkt,
if ((buf[0] & 0xc0) != (RTP_VERSION << 6))
return -1;
if (buf[1] >= RTCP_SR && buf[1] <= RTCP_APP) {
if (RTP_PT_IS_RTCP(buf[1])) {
return rtcp_parse_packet(s, buf, len);
}

2
libavformat/rtpproto.c
View File

@ -266,7 +266,7 @@ static int rtp_write(URLContext *h, const uint8_t *buf, int size)
int ret;
URLContext *hd;
if (buf[1] >= RTCP_SR && buf[1] <= RTCP_APP) {
if (RTP_PT_IS_RTCP(buf[1])) {
/* RTCP payload type */
hd = s->rtcp_hd;
} else {

2
libavformat/rtsp.c
View File

@ -1927,7 +1927,7 @@ static int rtp_read_header(AVFormatContext *s)
continue;
}
if (recvbuf[1] >= RTCP_SR && recvbuf[1] <= RTCP_APP)
if (RTP_PT_IS_RTCP(recvbuf[1]))
continue;
payload_type = recvbuf[1] & 0x7f;

2
libavformat/rtspenc.c
View File

@ -159,7 +159,7 @@ static int tcp_write_packet(AVFormatContext *s, RTSPStream *rtsp_st)
size -= 4;
if (packet_len > size || packet_len < 2)
break;
if (ptr[1] >= RTCP_SR && ptr[1] <= RTCP_APP)
if (RTP_PT_IS_RTCP(ptr[1]))
id = rtsp_st->interleaved_max; /* RTCP */
else
id = rtsp_st->interleaved_min; /* RTP */