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lavc/audiotoolboxdec: add eac3 decoder

This is added in 10.11, so we add a #define when building against older SDKs. The decoder actually supports 7.1-channel eac3, but since the parser only reports 6 channels, we end up decoding the 5.1 downmix (same as the internal decoder) for now.

Rodger Combs committed 10 years ago

Commit b4daa2c1 parent 1b9e90e4 files · +10 −0Browse files

Unified · Split

4 files
  1. configure +1 −0
  2. libavcodec/Makefile +1 −0
  3. libavcodec/allcodecs.c +1 −0
  4. libavcodec/audiotoolboxdec.c +7 −0
configure+1−0
@@ -2650,6 +2650,7 @@ ac3_at_decoder_deps="audiotoolbox" · 2649 unmodified lines
26502650 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
26512651 alac_at_decoder_deps="audiotoolbox"
26522652 amr_nb_at_decoder_deps="audiotoolbox"
2653+eac3_at_decoder_deps="audiotoolbox"
26532654 gsm_ms_at_decoder_deps="audiotoolbox"
26542655 ilbc_at_decoder_deps="audiotoolbox"
26552656 mp1_at_decoder_deps="audiotoolbox"
libavcodec/Makefile+1−0
@@ -806,6 +806,7 @@ OBJS-$(CONFIG_AC3_AT_DECODER) += audiotoolboxdec.o · 805 unmodified lines
806806 OBJS-$(CONFIG_ADPCM_IMA_QT_AT_DECODER) += audiotoolboxdec.o
807807 OBJS-$(CONFIG_ALAC_AT_DECODER) += audiotoolboxdec.o
808808 OBJS-$(CONFIG_AMR_NB_AT_DECODER) += audiotoolboxdec.o
809+OBJS-$(CONFIG_EAC3_AT_DECODER) += audiotoolboxdec.o
809810 OBJS-$(CONFIG_GSM_MS_AT_DECODER) += audiotoolboxdec.o
810811 OBJS-$(CONFIG_ILBC_AT_DECODER) += audiotoolboxdec.o
811812 OBJS-$(CONFIG_MP1_AT_DECODER) += audiotoolboxdec.o
libavcodec/allcodecs.c+1−0
@@ -568,6 +568,7 @@ void avcodec_register_all(void) · 567 unmodified lines
568568 REGISTER_DECODER(ADPCM_IMA_QT_AT, adpcm_ima_qt_at);
569569 REGISTER_ENCDEC (ALAC_AT, alac_at);
570570 REGISTER_DECODER(AMR_NB_AT, amr_nb_at);
571+ REGISTER_DECODER(EAC3_AT, eac3_at);
571572 REGISTER_DECODER(GSM_MS_AT, gsm_ms_at);
572573 REGISTER_ENCDEC (ILBC_AT, ilbc_at);
573574 REGISTER_DECODER(MP1_AT, mp1_at);
libavcodec/audiotoolboxdec.c+7−0
@@ -30,6 +30,10 @@ · 29 unmodified lines
3030 #include "libavutil/opt.h"
3131 #include "libavutil/log.h"
3232
33+#ifndef __MAC_10_11
34+#define kAudioFormatEnhancedAC3 'ec-3'
35+#endif
36+
3337 typedef struct ATDecodeContext {
3438 AVClass *av_class;
3539
@@ -58,6 +62,8 @@ static UInt32 ffat_get_format_id(enum AVCodecID codec, int profile) · 22 unmodified lines
5862 return kAudioFormatAppleLossless;
5963 case AV_CODEC_ID_AMR_NB:
6064 return kAudioFormatAMR;
65+ case AV_CODEC_ID_EAC3:
66+ return kAudioFormatEnhancedAC3;
6167 case AV_CODEC_ID_GSM_MS:
6268 return kAudioFormatMicrosoftGSM;
6369 case AV_CODEC_ID_ILBC:
@@ -512,6 +518,7 @@ FFAT_DEC(ac3, AV_CODEC_ID_AC3) · 448 unmodified lines
512518 FFAT_DEC(adpcm_ima_qt, AV_CODEC_ID_ADPCM_IMA_QT)
513519 FFAT_DEC(alac, AV_CODEC_ID_ALAC)
514520 FFAT_DEC(amr_nb, AV_CODEC_ID_AMR_NB)
521+FFAT_DEC(eac3, AV_CODEC_ID_EAC3)
515522 FFAT_DEC(gsm_ms, AV_CODEC_ID_GSM_MS)
516523 FFAT_DEC(ilbc, AV_CODEC_ID_ILBC)
517524 FFAT_DEC(mp1, AV_CODEC_ID_MP1)

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