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rtp: h264: Move profile_level_id parsing to a function

This commit is contained in:
Luca Barbato 2015-02-13 23:38:14 +01:00
parent d40815a982
commit b8df0b71c5
1 changed files with 31 additions and 25 deletions
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52
libavformat/rtpdec_h264.c
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@ -64,30 +64,10 @@ struct PayloadContext {
static const uint8_t start_sequence[] = { 0, 0, 0, 1 };
static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
AVStream *stream,
static void parse_profile_level_id(AVFormatContext *s,
PayloadContext *h264_data,
char *attr, char *value)
char *value)
{
AVCodecContext *codec = stream->codec;
assert(codec->codec_id == AV_CODEC_ID_H264);
assert(h264_data != NULL);
if (!strcmp(attr, "packetization-mode")) {
av_log(s, AV_LOG_DEBUG, "RTP Packetization Mode: %d\n", atoi(value));
h264_data->packetization_mode = atoi(value);
/*
* Packetization Mode:
* 0 or not present: Single NAL mode (Only nals from 1-23 are allowed)
* 1: Non-interleaved Mode: 1-23, 24 (STAP-A), 28 (FU-A) are allowed.
* 2: Interleaved Mode: 25 (STAP-B), 26 (MTAP16), 27 (MTAP24), 28 (FU-A),
* and 29 (FU-B) are allowed.
*/
if (h264_data->packetization_mode > 1)
av_log(s, AV_LOG_ERROR,
"Interleaved RTP mode is not supported yet.\n");
} else if (!strcmp(attr, "profile-level-id")) {
if (strlen(value) == 6) {
char buffer[3];
// 6 characters=3 bytes, in hex.
uint8_t profile_idc;
@ -111,7 +91,33 @@ static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
h264_data->profile_idc = profile_idc;
h264_data->profile_iop = profile_iop;
h264_data->level_idc = level_idc;
}
}
static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
AVStream *stream,
PayloadContext *h264_data,
char *attr, char *value)
{
AVCodecContext *codec = stream->codec;
assert(codec->codec_id == AV_CODEC_ID_H264);
assert(h264_data != NULL);
if (!strcmp(attr, "packetization-mode")) {
av_log(s, AV_LOG_DEBUG, "RTP Packetization Mode: %d\n", atoi(value));
h264_data->packetization_mode = atoi(value);
/*
* Packetization Mode:
* 0 or not present: Single NAL mode (Only nals from 1-23 are allowed)
* 1: Non-interleaved Mode: 1-23, 24 (STAP-A), 28 (FU-A) are allowed.
* 2: Interleaved Mode: 25 (STAP-B), 26 (MTAP16), 27 (MTAP24), 28 (FU-A),
* and 29 (FU-B) are allowed.
*/
if (h264_data->packetization_mode > 1)
av_log(s, AV_LOG_ERROR,
"Interleaved RTP mode is not supported yet.\n");
} else if (!strcmp(attr, "profile-level-id")) {
if (strlen(value) == 6)
parse_profile_level_id(s, h264_data, value);
} else if (!strcmp(attr, "sprop-parameter-sets")) {
codec->extradata_size = 0;
av_freep(&codec->extradata);