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fix #310, refine aac LC, support aac HE/HEv2. 2.0.134.

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This commit is contained in:
winlin 2015-03-08 17:36:43 +08:00
parent d3e2838fc6
commit 8dbabe3708
4 changed files with 22 additions and 1 deletions
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14
trunk/src/kernel/srs_kernel_codec.cpp
View file

@ -87,6 +87,18 @@ string srs_codec_aac_profile2str(SrsAacProfile aac_profile)
}
}
string srs_codec_aac_object2str(SrsAacObjectType aac_object)
{
switch (aac_object) {
case SrsAacObjectTypeAacMain: return "Main";
case SrsAacObjectTypeHE: return "HE";
case SrsAacObjectTypeHEV2: return "HEv2";
case SrsAacObjectTypeAacLC: return "LC";
case SrsAacObjectTypeAacSSR: return "SSR";
default: return "Other";
}
}
SrsAacObjectType srs_codec_aac_ts2rtmp(SrsAacProfile profile)
{
switch (profile) {
@ -101,6 +113,8 @@ SrsAacProfile srs_codec_aac_rtmp2ts(SrsAacObjectType object_type)
{
switch (object_type) {
case SrsAacObjectTypeAacMain: return SrsAacProfileMain;
case SrsAacObjectTypeHE:
case SrsAacObjectTypeHEV2:
case SrsAacObjectTypeAacLC: return SrsAacProfileLC;
case SrsAacObjectTypeAacSSR: return SrsAacProfileSSR;
default: return SrsAacProfileReserved;

6
trunk/src/kernel/srs_kernel_codec.hpp
View file

@ -404,7 +404,13 @@ enum SrsAacObjectType
SrsAacObjectTypeAacMain = 1,
SrsAacObjectTypeAacLC = 2,
SrsAacObjectTypeAacSSR = 3,
// AAC HE = LC+SBR
SrsAacObjectTypeHE = 5,
// AAC HEv2 = LC+SBR+PS
SrsAacObjectTypeHEV2 = 29,
};
std::string srs_codec_aac_object2str(SrsAacObjectType aac_object);
// ts/hls/adts audio header profile to RTMP sequence header object type.
SrsAacObjectType srs_codec_aac_ts2rtmp(SrsAacProfile profile);
// RTMP sequence header object type to ts/hls/adts audio header profile.