Lines Matching defs:buf

185 static int rtcp_parse_packet(RTPDemuxContext *s, const unsigned char *buf,
190         payload_len = FFMIN(len, (AV_RB16(buf + 2) + 1) * 4);
192         switch (buf[1]) {
200             s->last_rtcp_ntp_time  = AV_RB64(buf + 8);
201             s->last_rtcp_timestamp = AV_RB32(buf + 16);
214         buf += payload_len;
315     uint8_t *buf;
403     len = avio_close_dyn_buf(pb, &buf);
404     if ((len > 0) && buf) {
407         result = ffurl_write(fd, buf, len);
409         av_free(buf);
416     uint8_t buf[RTP_MIN_PACKET_LENGTH], *ptr = buf;
426     ffurl_write(rtp_handle, buf, ptr - buf);
429     ptr = buf;
435     ffurl_write(rtp_handle, buf, ptr - buf);
473     uint8_t *buf;
524     len = avio_close_dyn_buf(pb, &buf);
525     if (len > 0 && buf) {
526         ffurl_write(fd, buf, len);
527         av_free(buf);
698                                      const uint8_t *buf, int len)
707     csrc         = buf[0] & 0x0f;
708     ext          = buf[0] & 0x10;
709     payload_type = buf[1] & 0x7f;
710     if (buf[1] & 0x80)
712     seq       = AV_RB16(buf + 2);
713     timestamp = AV_RB32(buf + 4);
714     ssrc      = AV_RB32(buf + 8);
731     if (buf[0] & 0x20) {
732         int padding = buf[len - 1];
739     buf   += 12;
742     buf   += 4 * csrc;
752         ext = (AV_RB16(buf + 2) + 1) << 2;
758         buf += ext;
763                                       s->st, pkt, &timestamp, buf, len, seq,
768         memcpy(pkt->data, buf, len);
784         av_freep(&s->queue->buf);
793 static int enqueue_packet(RTPDemuxContext *s, uint8_t *buf, int len)
795     uint16_t seq   = AV_RB16(buf + 2);
812     packet->buf      = buf;
848     rv   = rtp_parse_packet_internal(s, pkt, s->queue->buf, s->queue->len);
850     av_freep(&s->queue->buf);
860     uint8_t *buf = bufptr ? *bufptr : NULL;
865     if (!buf) {
887     if ((buf[0] & 0xc0) != (RTP_VERSION << 6))
889     if (RTP_PT_IS_RTCP(buf[1])) {
890         return rtcp_parse_packet(s, buf, len);
897         timestamp = AV_RB32(buf + 4);
905         return rtp_parse_packet_internal(s, pkt, buf, len);
907         uint16_t seq = AV_RB16(buf + 2);
916             rv = rtp_parse_packet_internal(s, pkt, buf, len);
920             rv = enqueue_packet(s, buf, len);
942  * (use buf as NULL to read the next). -1 if no packet (error or no more packet).