diff options
Diffstat (limited to 'libavcodec/ac3dec.c')
| -rw-r--r-- | libavcodec/ac3dec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c index 7f12d9cba0..c4365170f9 100644 --- a/libavcodec/ac3dec.c +++ b/libavcodec/ac3dec.c @@ -273,6 +273,7 @@ static int parse_frame_header(AC3DecodeContext *s) /* get decoding parameters from header info */ s->bit_alloc_params.sr_code = hdr.sr_code; + s->bitstream_mode = hdr.bitstream_mode; s->channel_mode = hdr.channel_mode; s->channel_layout = hdr.channel_layout; s->lfe_on = hdr.lfe_on; @@ -1399,6 +1400,10 @@ static int ac3_decode_frame(AVCodecContext * avctx, void *data, int *data_size, if(s->out_channels < s->channels) s->output_mode = s->out_channels == 1 ? AC3_CHMODE_MONO : AC3_CHMODE_STEREO; } + /* set audio service type based on bitstream mode for AC-3 */ + avctx->audio_service_type = s->bitstream_mode; + if (s->bitstream_mode == 0x7 && s->channels > 1) + avctx->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE; /* decode the audio blocks */ channel_map = ff_ac3_dec_channel_map[s->output_mode & ~AC3_OUTPUT_LFEON][s->lfe_on]; |