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wmalossless: output in planar sample format

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This commit is contained in:
Justin Ruggles 2012-08-25 19:09:40 -04:00
parent 7ebfe5b44a
commit 2725ce7c7c
1 changed files with 9 additions and 8 deletions
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17
libavcodec/wmalosslessdec.c
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@ -186,9 +186,9 @@ static av_cold int decode_init(AVCodecContext *avctx)
channel_mask = AV_RL32(edata_ptr + 2);
s->bits_per_sample = AV_RL16(edata_ptr);
if (s->bits_per_sample == 16)
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
else if (s->bits_per_sample == 24) {
avctx->sample_fmt = AV_SAMPLE_FMT_S32;
avctx->sample_fmt = AV_SAMPLE_FMT_S32P;
av_log_missing_feature(avctx, "bit-depth higher than 16", 0);
return AVERROR_PATCHWELCOME;
} else {
@ -984,11 +984,9 @@ static int decode_subframe(WmallDecodeCtx *s)
for (j = 0; j < subframe_len; j++) {
if (s->bits_per_sample == 16) {
*s->samples_16[c] = (int16_t) s->channel_residues[c][j] << padding_zeroes;
s->samples_16[c] += s->num_channels;
*s->samples_16[c]++ = (int16_t) s->channel_residues[c][j] << padding_zeroes;
} else {
*s->samples_32[c] = s->channel_residues[c][j] << padding_zeroes;
s->samples_32[c] += s->num_channels;
*s->samples_32[c]++ = s->channel_residues[c][j] << padding_zeroes;
}
}
}
@ -1025,8 +1023,8 @@ static int decode_frame(WmallDecodeCtx *s)
return ret;
}
for (i = 0; i < s->num_channels; i++) {
s->samples_16[i] = (int16_t *)s->frame.data[0] + i;
s->samples_32[i] = (int32_t *)s->frame.data[0] + i;
s->samples_16[i] = (int16_t *)s->frame.extended_data[i];
s->samples_32[i] = (int32_t *)s->frame.extended_data[i];
}
/* get frame length */
@ -1296,4 +1294,7 @@ AVCodec ff_wmalossless_decoder = {
.flush = flush,
.capabilities = CODEC_CAP_SUBFRAMES | CODEC_CAP_DR1 | CODEC_CAP_DELAY,
.long_name = NULL_IF_CONFIG_SMALL("Windows Media Audio Lossless"),
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16P,
AV_SAMPLE_FMT_S32P,
AV_SAMPLE_FMT_NONE },
};