[FFmpeg-devel] [PATCH] avcodec/adpcm: adpcm_dtk is stereo only

[James Almer]

Fixes ticket #11133

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavcodec/adpcm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index 8d358bc414..623d33fd02 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -276,6 +276,9 @@ static av_cold int adpcm_decode_init(AVCodecContext * avctx)
             return AVERROR_PATCHWELCOME;
         }
         break;
+    case AV_CODEC_ID_ADPCM_DTK:
+        min_channels = 2;
+        break;
     case AV_CODEC_ID_ADPCM_PSX:
         max_channels = 8;
         if (avctx->ch_layout.nb_channels <= 0 ||
@@ -1047,7 +1050,7 @@ static int get_nb_samples(AVCodecContext *avctx, GetByteContext *gb,
         break;
     case AV_CODEC_ID_ADPCM_DTK:
     case AV_CODEC_ID_ADPCM_PSX:
-        nb_samples = buf_size / (16 * ch) * 28;
+        nb_samples = buf_size / 32 * 28;
         break;
     case AV_CODEC_ID_ADPCM_ARGO:
         nb_samples = buf_size / avctx->block_align * 32;
-- 
2.46.0