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author | Martin Storsjö <martin@martin.st> | 2018-09-04 11:45:35 +0300 |
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committer | Martin Storsjö <martin@martin.st> | 2018-09-05 22:40:54 +0300 |
commit | 7e929dac100916fc45cb95e231025f3439c20156 (patch) | |
tree | 9267d02da1d1e68f82a504829353e93b4f88bd6c | |
parent | 2edaafe5b93832715781851dfe2663da228a05ad (diff) | |
download | ffmpeg-7e929dac100916fc45cb95e231025f3439c20156.tar.gz |
libfdk-aacenc: Allow enabling the ELDv2 profile
This is a new feature in FDK v2.
Signed-off-by: Martin Storsjö <martin@martin.st>
-rw-r--r-- | libavcodec/libfdk-aacenc.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c index 92ad1762ae..f71a276403 100644 --- a/libavcodec/libfdk-aacenc.c +++ b/libavcodec/libfdk-aacenc.c @@ -36,6 +36,7 @@ typedef struct AACContext { HANDLE_AACENCODER handle; int afterburner; int eld_sbr; + int eld_v2; int signaling; int latm; int header_period; @@ -47,6 +48,9 @@ typedef struct AACContext { static const AVOption aac_enc_options[] = { { "afterburner", "Afterburner (improved quality)", offsetof(AACContext, afterburner), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM }, { "eld_sbr", "Enable SBR for ELD (for SBR in other configurations, use the -profile parameter)", offsetof(AACContext, eld_sbr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM }, +#if FDKENC_VER_AT_LEAST(4, 0) // 4.0.0 + { "eld_v2", "Enable ELDv2 (LD-MPS extension for ELD stereo signals)", offsetof(AACContext, eld_v2), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM }, +#endif { "signaling", "SBR/PS signaling style", offsetof(AACContext, signaling), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" }, { "default", "Choose signaling implicitly (explicit hierarchical by default, implicit if global header is disabled)", 0, AV_OPT_TYPE_CONST, { .i64 = -1 }, 0, 0, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" }, { "implicit", "Implicit backwards compatible signaling", 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, "signaling" }, @@ -152,7 +156,28 @@ static av_cold int aac_encode_init(AVCodecContext *avctx) switch (avctx->channels) { case 1: mode = MODE_1; sce = 1; cpe = 0; break; - case 2: mode = MODE_2; sce = 0; cpe = 1; break; + case 2: +#if FDKENC_VER_AT_LEAST(4, 0) // 4.0.0 + // (profile + 1) to map from profile range to AOT range + if (aot == FF_PROFILE_AAC_ELD + 1 && s->eld_v2) { + if ((err = aacEncoder_SetParam(s->handle, AACENC_CHANNELMODE, + 128)) != AACENC_OK) { + av_log(avctx, AV_LOG_ERROR, "Unable to enable ELDv2: %s\n", + aac_get_error(err)); + goto error; + } else { + mode = MODE_212; + sce = 1; + cpe = 0; + } + } else +#endif + { + mode = MODE_2; + sce = 0; + cpe = 1; + } + break; case 3: mode = MODE_1_2; sce = 1; cpe = 1; break; case 4: mode = MODE_1_2_1; sce = 2; cpe = 1; break; case 5: mode = MODE_1_2_2; sce = 1; cpe = 2; break; |