virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

avcodec/alac: fix 20-bit support

Browse Source 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol
2016-05-05 18:13:28 +02:00
parent f1560dbb2a
commit c5d2d3dced
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
libavcodec/alac.c
View File

@@ -391,6 +391,12 @@ static int decode_element(AVCodecContext *avctx, AVFrame *frame, int ch_index,
*outbuffer++ = alac->output_samples_buffer[ch][i]; *outbuffer++ = alac->output_samples_buffer[ch][i];
}} }}
break; break;
case 20: {
for (ch = 0; ch < channels; ch++) {
for (i = 0; i < alac->nb_samples; i++)
alac->output_samples_buffer[ch][i] <<= 12;
}}
break;
case 24: { case 24: {
for (ch = 0; ch < channels; ch++) { for (ch = 0; ch < channels; ch++) {
for (i = 0; i < alac->nb_samples; i++) for (i = 0; i < alac->nb_samples; i++)
@@ -556,6 +562,7 @@ static av_cold int alac_decode_init(AVCodecContext * avctx)
switch (alac->sample_size) { switch (alac->sample_size) {
case 16: avctx->sample_fmt = AV_SAMPLE_FMT_S16P; case 16: avctx->sample_fmt = AV_SAMPLE_FMT_S16P;
break; break;
case 20:
case 24: case 24:
case 32: avctx->sample_fmt = AV_SAMPLE_FMT_S32P; case 32: avctx->sample_fmt = AV_SAMPLE_FMT_S32P;
break; break;