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libfdk-aacenc: Allow enabling the ELDv2 profile 

This is a new feature in FDK v2.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2018-09-04 11:45:35 +03:00
parent 2edaafe5b9
commit 7e929dac10
1 changed files with 26 additions and 1 deletions
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27
libavcodec/libfdk-aacenc.c
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@ -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;