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fix #133, support push rtsp to srs. 2.0.120.

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winlin 2015-02-18 22:28:39 +08:00
parent a954040d29
commit 9d233db27e
11 changed files with 670 additions and 80 deletions
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116
trunk/src/kernel/srs_kernel_codec.cpp
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@ -279,58 +279,12 @@ int SrsAvcAacCodec::audio_aac_demux(char* data, int size, SrsCodecSample* sample
srs_freep(aac_extra_data);
aac_extra_data = new char[aac_extra_size];
memcpy(aac_extra_data, stream->data() + stream->pos(), aac_extra_size);
}
// only need to decode the first 2bytes:
// audioObjectType, aac_profile, 5bits.
// samplingFrequencyIndex, aac_sample_rate, 4bits.
// channelConfiguration, aac_channels, 4bits
if (!stream->require(2)) {
ret = ERROR_HLS_DECODE_ERROR;
srs_error("audio codec decode aac sequence header failed. ret=%d", ret);
return ret;
}
u_int8_t profile_ObjectType = stream->read_1bytes();
u_int8_t samplingFrequencyIndex = stream->read_1bytes();
aac_channels = (samplingFrequencyIndex >> 3) & 0x0f;
samplingFrequencyIndex = ((profile_ObjectType << 1) & 0x0e) | ((samplingFrequencyIndex >> 7) & 0x01);
profile_ObjectType = (profile_ObjectType >> 3) & 0x1f;
// set the aac sample rate.
aac_sample_rate = samplingFrequencyIndex;
// the profile = object_id + 1
// @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 78,
// Table 1. A.9 ¨C MPEG-2 Audio profiles and MPEG-4 Audio object types
aac_profile = profile_ObjectType + 1;
// the valid aac profile:
// MPEG-2 profile
// Main profile (ID == 1)
// Low Complexity profile (LC) (ID == 2)
// Scalable Sampling Rate profile (SSR) (ID == 3)
// (reserved) (ID == 4)
// @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 78,
// Table 1. A.9 ¨C MPEG-2 Audio profiles and MPEG-4 Audio object types
if (aac_profile > 4) {
ret = ERROR_HLS_DECODE_ERROR;
srs_error("audio codec decode aac sequence header failed, "
"adts object=%d invalid. ret=%d", profile_ObjectType, ret);
return ret;
// demux the sequence header.
if ((ret = audio_aac_sequence_header_demux(aac_extra_data, aac_extra_size)) != ERROR_SUCCESS) {
return ret;
}
}
// TODO: FIXME: to support aac he/he-v2, see: ngx_rtmp_codec_parse_aac_header
// @see: https://github.com/winlinvip/nginx-rtmp-module/commit/3a5f9eea78fc8d11e8be922aea9ac349b9dcbfc2
//
// donot force to LC, @see: https://github.com/winlinvip/simple-rtmp-server/issues/81
// the source will print the sequence header info.
//if (aac_profile > 3) {
// Mark all extended profiles as LC
// to make Android as happy as possible.
// @see: ngx_rtmp_hls_parse_aac_header
//aac_profile = 1;
//}
} else if (aac_packet_type == SrsCodecAudioTypeRawData) {
// ensure the sequence header demuxed
if (aac_extra_size <= 0 || !aac_extra_data) {
@ -403,6 +357,68 @@ int SrsAvcAacCodec::audio_mp3_demux(char* data, int size, SrsCodecSample* sample
return ret;
}
int SrsAvcAacCodec::audio_aac_sequence_header_demux(char* data, int size)
{
int ret = ERROR_SUCCESS;
if ((ret = stream->initialize(data, size)) != ERROR_SUCCESS) {
return ret;
}
// only need to decode the first 2bytes:
// audioObjectType, aac_profile, 5bits.
// samplingFrequencyIndex, aac_sample_rate, 4bits.
// channelConfiguration, aac_channels, 4bits
if (!stream->require(2)) {
ret = ERROR_HLS_DECODE_ERROR;
srs_error("audio codec decode aac sequence header failed. ret=%d", ret);
return ret;
}
u_int8_t profile_ObjectType = stream->read_1bytes();
u_int8_t samplingFrequencyIndex = stream->read_1bytes();
aac_channels = (samplingFrequencyIndex >> 3) & 0x0f;
samplingFrequencyIndex = ((profile_ObjectType << 1) & 0x0e) | ((samplingFrequencyIndex >> 7) & 0x01);
profile_ObjectType = (profile_ObjectType >> 3) & 0x1f;
// set the aac sample rate.
aac_sample_rate = samplingFrequencyIndex;
// the profile = object_id + 1
// @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 78,
// Table 1. A.9 ¨C MPEG-2 Audio profiles and MPEG-4 Audio object types
aac_profile = profile_ObjectType + 1;
// the valid aac profile:
// MPEG-2 profile
// Main profile (ID == 1)
// Low Complexity profile (LC) (ID == 2)
// Scalable Sampling Rate profile (SSR) (ID == 3)
// (reserved) (ID == 4)
// @see aac-mp4a-format-ISO_IEC_14496-3+2001.pdf, page 78,
// Table 1. A.9 ¨C MPEG-2 Audio profiles and MPEG-4 Audio object types
if (aac_profile > 4) {
ret = ERROR_HLS_DECODE_ERROR;
srs_error("audio codec decode aac sequence header failed, "
"adts object=%d invalid. ret=%d", profile_ObjectType, ret);
return ret;
}
// TODO: FIXME: to support aac he/he-v2, see: ngx_rtmp_codec_parse_aac_header
// @see: https://github.com/winlinvip/nginx-rtmp-module/commit/3a5f9eea78fc8d11e8be922aea9ac349b9dcbfc2
//
// donot force to LC, @see: https://github.com/winlinvip/simple-rtmp-server/issues/81
// the source will print the sequence header info.
//if (aac_profile > 3) {
// Mark all extended profiles as LC
// to make Android as happy as possible.
// @see: ngx_rtmp_hls_parse_aac_header
//aac_profile = 1;
//}
return ret;
}
int SrsAvcAacCodec::video_avc_demux(char* data, int size, SrsCodecSample* sample)
{
int ret = ERROR_SUCCESS;