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apedec: output in planar sample format

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This commit is contained in:
Justin Ruggles 2012-08-25 19:23:55 -04:00
parent cf8c93ada4
commit 461ba7e97a
1 changed files with 20 additions and 19 deletions
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39
libavcodec/apedec.c
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@ -196,13 +196,13 @@ static av_cold int ape_decode_init(AVCodecContext *avctx)
s->bps = avctx->bits_per_coded_sample;
switch (s->bps) {
case 8:
avctx->sample_fmt = AV_SAMPLE_FMT_U8;
avctx->sample_fmt = AV_SAMPLE_FMT_U8P;
break;
case 16:
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
break;
case 24:
avctx->sample_fmt = AV_SAMPLE_FMT_S32;
avctx->sample_fmt = AV_SAMPLE_FMT_S32P;
break;
default:
av_log_ask_for_sample(avctx, "Unsupported bits per coded sample %d\n",
@ -830,7 +830,7 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
uint8_t *sample8;
int16_t *sample16;
int32_t *sample24;
int i, ret;
int i, ch, ret;
int blockstodecode;
int bytes_used = 0;
@ -930,27 +930,24 @@ static int ape_decode_frame(AVCodecContext *avctx, void *data,
switch (s->bps) {
case 8:
sample8 = (uint8_t *)s->frame.data[0];
for (i = 0; i < blockstodecode; i++) {
*sample8++ = (s->decoded[0][i] + 0x80) & 0xff;
if (s->channels == 2)
*sample8++ = (s->decoded[1][i] + 0x80) & 0xff;
for (ch = 0; ch < s->channels; ch++) {
sample8 = (uint8_t *)s->frame.data[ch];
for (i = 0; i < blockstodecode; i++)
*sample8++ = (s->decoded[ch][i] + 0x80) & 0xff;
}
break;
case 16:
sample16 = (int16_t *)s->frame.data[0];
for (i = 0; i < blockstodecode; i++) {
*sample16++ = s->decoded[0][i];
if (s->channels == 2)
*sample16++ = s->decoded[1][i];
for (ch = 0; ch < s->channels; ch++) {
sample16 = (int16_t *)s->frame.data[ch];
for (i = 0; i < blockstodecode; i++)
*sample16++ = s->decoded[ch][i];
}
break;
case 24:
sample24 = (int32_t *)s->frame.data[0];
for (i = 0; i < blockstodecode; i++) {
*sample24++ = s->decoded[0][i] << 8;
if (s->channels == 2)
*sample24++ = s->decoded[1][i] << 8;
for (ch = 0; ch < s->channels; ch++) {
sample24 = (int32_t *)s->frame.data[ch];
for (i = 0; i < blockstodecode; i++)
*sample24++ = s->decoded[ch][i] << 8;
}
break;
}
@ -995,5 +992,9 @@ AVCodec ff_ape_decoder = {
.capabilities = CODEC_CAP_SUBFRAMES | CODEC_CAP_DELAY | CODEC_CAP_DR1,
.flush = ape_flush,
.long_name = NULL_IF_CONFIG_SMALL("Monkey's Audio"),
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_U8P,
AV_SAMPLE_FMT_S16P,
AV_SAMPLE_FMT_S32P,
AV_SAMPLE_FMT_NONE },
.priv_class = &ape_decoder_class,
};