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smacker: convert to new channel layout API

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Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Anton Khirnov 2013-05-07 07:20:32 +02:00 committed by James Almer
parent 35789608ae
commit a9dfca7c59
1 changed files with 7 additions and 5 deletions
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12
libavcodec/smacker.c
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@ -572,11 +572,13 @@ static av_cold int decode_init(AVCodecContext *avctx)
static av_cold int smka_decode_init(AVCodecContext *avctx)
{
if (avctx->channels < 1 || avctx->channels > 2) {
int channels = avctx->ch_layout.nb_channels;
if (channels < 1 || channels > 2) {
av_log(avctx, AV_LOG_ERROR, "invalid number of channels\n");
return AVERROR_INVALIDDATA;
}
avctx->channel_layout = (avctx->channels==2) ? AV_CH_LAYOUT_STEREO : AV_CH_LAYOUT_MONO;
av_channel_layout_uninit(&avctx->ch_layout);
av_channel_layout_default(&avctx->ch_layout, channels);
avctx->sample_fmt = avctx->bits_per_coded_sample == 8 ? AV_SAMPLE_FMT_U8 : AV_SAMPLE_FMT_S16;
return 0;
@ -623,7 +625,7 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data,
}
stereo = get_bits1(&gb);
bits = get_bits1(&gb);
if (stereo ^ (avctx->channels != 1)) {
if (stereo ^ (avctx->ch_layout.nb_channels != 1)) {
av_log(avctx, AV_LOG_ERROR, "channels mismatch\n");
return AVERROR_INVALIDDATA;
}
@ -633,8 +635,8 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data,
}
/* get output buffer */
frame->nb_samples = unp_size / (avctx->channels * (bits + 1));
if (unp_size % (avctx->channels * (bits + 1))) {
frame->nb_samples = unp_size / (avctx->ch_layout.nb_channels * (bits + 1));
if (unp_size % (avctx->ch_layout.nb_channels * (bits + 1))) {
av_log(avctx, AV_LOG_ERROR,
"The buffer does not contain an integer number of samples\n");
return AVERROR_INVALIDDATA;