From c5d2d3dced64fd4fc1a5f982315fb5dbd9101d44 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Thu, 5 May 2016 18:13:28 +0200 Subject: [PATCH] avcodec/alac: fix 20-bit support Signed-off-by: Paul B Mahol --- libavcodec/alac.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavcodec/alac.c b/libavcodec/alac.c index fc8bc9682d..548f5bdce5 100644 --- a/libavcodec/alac.c +++ b/libavcodec/alac.c @@ -391,6 +391,12 @@ static int decode_element(AVCodecContext *avctx, AVFrame *frame, int ch_index, *outbuffer++ = alac->output_samples_buffer[ch][i]; }} 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: { for (ch = 0; ch < channels; ch++) { 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) { case 16: avctx->sample_fmt = AV_SAMPLE_FMT_S16P; break; + case 20: case 24: case 32: avctx->sample_fmt = AV_SAMPLE_FMT_S32P; break;