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ac3enc: add support for E-AC-3 encoding.

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This adds basic stream format support and allows for arbitrary bit rates
rather than just those supported in AC-3.
This commit is contained in:
Justin Ruggles
2011-05-24 15:20:56 -04:00
parent b1bf8c7887
commit aa47c35dff
9 changed files with 309 additions and 25 deletions
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18
libavcodec/ac3enc_float.c
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@@ -100,6 +100,7 @@ static void scale_coefficients(AC3EncodeContext *s)
}
#if CONFIG_AC3_ENCODER
AVCodec ff_ac3_encoder = {
"ac3",
AVMEDIA_TYPE_AUDIO,
@@ -114,3 +115,20 @@ AVCodec ff_ac3_encoder = {
.priv_class = &ac3enc_class,
.channel_layouts = ac3_channel_layouts,
};
#endif
#if CONFIG_EAC3_ENCODER
AVCodec ff_eac3_encoder = {
.name = "eac3",
.type = AVMEDIA_TYPE_AUDIO,
.id = CODEC_ID_EAC3,
.priv_data_size = sizeof(AC3EncodeContext),
.init = ac3_encode_init,
.encode = ac3_encode_frame,
.close = ac3_encode_close,
.sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_FLT,AV_SAMPLE_FMT_NONE},
.long_name = NULL_IF_CONFIG_SMALL("ATSC A/52 E-AC-3"),
.priv_class = &eac3enc_class,
.channel_layouts = ac3_channel_layouts,
};
#endif