void sdp_a_rtpmap_test(void)
{
int payload = 0;
int rate = 0;
char encoding[32];
char parameters[64];
assert(0 == sdp_a_rtpmap("96 L8/8000", &payload, encoding, &rate, parameters));
assert(96 == payload && 8000 == rate && 0 == strcmp(encoding, "L8") && '\0' == parameters[0]);
assert(0 == sdp_a_rtpmap("97 L16/8000", &payload, encoding, &rate, parameters));
assert(97 == payload && 8000 == rate && 0 == strcmp(encoding, "L16") && '\0' == parameters[0]);
assert(0 == sdp_a_rtpmap("98 L16/11025/2", &payload, encoding, &rate, parameters));
assert(98 == payload && 11025 == rate && 0 == strcmp(encoding, "L16") && 0==strcmp("2", parameters));
}
// RFC 6184 RTP Payload Format for H.264 Video
// 8.2.1. Mapping of Payload Type Parameters to SDP
// m=video 49170 RTP/AVP 98
// a=rtpmap:98 H264/90000
// a=fmtp:98 profile-level-id=42A01E;
// packetization-mode=1;
// sprop-parameter-sets=<parameter sets data>
static void rtsp_media_onattr(void* param, const char* name, const char* value)
{
int i;
int payload = -1;
struct rtsp_media_t* media;
media = (struct rtsp_media_t*)param;
if(name)
{
if(0 == strcmp("rtpmap", name))
{
int rate = 0;
char encoding[sizeof(media->avformats[i].encoding)];
if(strlen(value) < sizeof(encoding)) // make sure encoding have enough memory space
{
sdp_a_rtpmap(value, &payload, encoding, &rate, NULL);
for(i = 0; i < media->avformat_count; i++)
{
if(media->avformats[i].fmt == payload)
{
media->avformats[i].rate = rate;
strlcpy(media->avformats[i].encoding, encoding, sizeof(media->avformats[i].encoding));
break;
}
}
}
}
else if(0 == strcmp("fmtp", name))
{
payload = atoi(value);
for(i = 0; i < media->avformat_count; i++)
{
if(media->avformats[i].fmt == payload)
{
if(0 == strcmp("H264", media->avformats[i].encoding))
{
struct sdp_a_fmtp_h264_t h264;
memset(&h264, 0, sizeof(h264));
sdp_a_fmtp_h264(value, &payload, &h264);
if(h264.flags & SDP_A_FMTP_H264_SPROP_PARAMETER_SETS)
{
strlcpy(media->avformats[i].spspps, h264.sprop_parameter_sets, sizeof(media->avformats[i].spspps));
}
}
else if(0 == strcmp("mpeg4-generic", media->avformats[i].encoding))
{
struct sdp_a_fmtp_mpeg4_t mpeg4;
memset(&mpeg4, 0, sizeof(mpeg4));
sdp_a_fmtp_mpeg4(value, &payload, &mpeg4);
}
break;
}
}
}
}
}
