diff options
Diffstat (limited to 'media/libstagefright/Utils.cpp')
| -rw-r--r-- | media/libstagefright/Utils.cpp | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/media/libstagefright/Utils.cpp b/media/libstagefright/Utils.cpp index 8c5deb3..750bff0 100644 --- a/media/libstagefright/Utils.cpp +++ b/media/libstagefright/Utils.cpp @@ -23,6 +23,7 @@ #include <arpa/inet.h> #include <cutils/properties.h> +#include <media/openmax/OMX_Audio.h> #include <media/stagefright/foundation/ABuffer.h> #include <media/stagefright/foundation/ADebug.h> #include <media/stagefright/foundation/AMessage.h> @@ -609,6 +610,39 @@ const struct mime_conv_t* p = &mimeLookup[0]; return BAD_VALUE; } +struct aac_format_conv_t { + OMX_AUDIO_AACPROFILETYPE eAacProfileType; + audio_format_t format; +}; + +static const struct aac_format_conv_t profileLookup[] = { + { OMX_AUDIO_AACObjectMain, AUDIO_FORMAT_AAC_MAIN}, + { OMX_AUDIO_AACObjectLC, AUDIO_FORMAT_AAC_LC}, + { OMX_AUDIO_AACObjectSSR, AUDIO_FORMAT_AAC_SSR}, + { OMX_AUDIO_AACObjectLTP, AUDIO_FORMAT_AAC_LTP}, + { OMX_AUDIO_AACObjectHE, AUDIO_FORMAT_AAC_HE_V1}, + { OMX_AUDIO_AACObjectScalable, AUDIO_FORMAT_AAC_SCALABLE}, + { OMX_AUDIO_AACObjectERLC, AUDIO_FORMAT_AAC_ERLC}, + { OMX_AUDIO_AACObjectLD, AUDIO_FORMAT_AAC_LD}, + { OMX_AUDIO_AACObjectHE_PS, AUDIO_FORMAT_AAC_HE_V2}, + { OMX_AUDIO_AACObjectELD, AUDIO_FORMAT_AAC_ELD}, + { OMX_AUDIO_AACObjectNull, AUDIO_FORMAT_AAC}, +}; + +void mapAACProfileToAudioFormat( audio_format_t& format, uint64_t eAacProfile) +{ +const struct aac_format_conv_t* p = &profileLookup[0]; + while (p->eAacProfileType != OMX_AUDIO_AACObjectNull) { + if (eAacProfile == p->eAacProfileType) { + format = p->format; + return; + } + ++p; + } + format = AUDIO_FORMAT_AAC; + return; +} + bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo, bool isStreaming, audio_stream_type_t streamType) { @@ -634,15 +668,11 @@ bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo, return false; } - // check whether it is ELD/LD content -> no offloading - // FIXME: this should depend on audio DSP capabilities. mapMimeToAudioFormat() should use the - // metadata to refine the AAC format and the audio HAL should only list supported profiles. + // Redefine aac format according to its profile + // Offloading depends on audio DSP capabilities. int32_t aacaot = -1; if (meta->findInt32(kKeyAACAOT, &aacaot)) { - if (aacaot == 23 || aacaot == 39 ) { - ALOGV("track of type '%s' is ELD/LD content", mime); - return false; - } + mapAACProfileToAudioFormat(info.format,(OMX_AUDIO_AACPROFILETYPE) aacaot); } int32_t srate = -1; |