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vorbisdec: allow selecting float output at runtime.

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This commit is contained in:
Reimar Döffinger 2011-04-25 12:22:26 +02:00
parent 26d5a4b6b4
commit 5aff31b136
1 changed files with 12 additions and 15 deletions
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27
libavcodec/vorbisdec.c
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@ -1007,12 +1007,9 @@ static av_cold int vorbis_decode_init(AVCodecContext *avccontext)
avccontext->channels = vc->audio_channels;
avccontext->sample_rate = vc->audio_samplerate;
avccontext->frame_size = FFMIN(vc->blocksize[0], vc->blocksize[1]) >> 2;
/* ffdshow custom code */
#if CONFIG_AUDIO_FLOAT
avccontext->sample_fmt = AV_SAMPLE_FMT_FLT;
#else
avccontext->sample_fmt = AV_SAMPLE_FMT_S16;
#endif
avccontext->sample_fmt =
avccontext->request_sample_fmt == AV_SAMPLE_FMT_FLT ?
AV_SAMPLE_FMT_FLT : AV_SAMPLE_FMT_S16;
return 0 ;
}
@ -1640,15 +1637,15 @@ static int vorbis_decode_frame(AVCodecContext *avccontext,
len * ff_vorbis_channel_layout_offsets[vc->audio_channels - 1][i];
}
/* ffdshow custom code */
#if CONFIG_AUDIO_FLOAT
float_interleave(data, channel_ptrs, len, vc->audio_channels);
*data_size = len * sizeof(float) * vc->audio_channels;
#else
vc->fmt_conv.float_to_int16_interleave(data, channel_ptrs, len,
vc->audio_channels);
*data_size = len * 2 * vc->audio_channels;
#endif
*data_size = len * vc->audio_channels;
if (avccontext->sample_fmt == AV_SAMPLE_FMT_FLT) {
float_interleave(data, channel_ptrs, len, vc->audio_channels);
*data_size *= sizeof(float);
} else {
vc->fmt_conv.float_to_int16_interleave(data, channel_ptrs, len,
vc->audio_channels);
*data_size *= 2;
}
return buf_size ;
}