[FFmpeg-cvslog] avcodec/adpcm_ms: support custom block size for encoding

Zane van Iperen git at videolan.org
Sat Oct 17 03:05:41 EEST 2020


ffmpeg | branch: master | Zane van Iperen <zane at zanevaniperen.com> | Wed Oct 14 22:21:30 2020 +1000| [bd1c94bb6801e06b2fce9238df67bd1de4a90ace] | committer: Zane van Iperen

avcodec/adpcm_ms: support custom block size for encoding

Fixes tickets #6585 and #7109

Signed-off-by: Zane van Iperen <zane at zanevaniperen.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=bd1c94bb6801e06b2fce9238df67bd1de4a90ace
---

 libavcodec/adpcmenc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/adpcmenc.c b/libavcodec/adpcmenc.c
index 1ca74abc82..df5a7333cb 100644
--- a/libavcodec/adpcmenc.c
+++ b/libavcodec/adpcmenc.c
@@ -127,9 +127,9 @@ static av_cold int adpcm_encode_init(AVCodecContext *avctx)
     case AV_CODEC_ID_ADPCM_MS:
         /* each 16 bits sample gives one nibble
            and we have 7 bytes per channel overhead */
-        avctx->frame_size = (BLKSIZE - 7 * avctx->channels) * 2 / avctx->channels + 2;
+        avctx->frame_size = (s->block_size - 7 * avctx->channels) * 2 / avctx->channels + 2;
         avctx->bits_per_coded_sample = 4;
-        avctx->block_align    = BLKSIZE;
+        avctx->block_align     = s->block_size;
         if (!(avctx->extradata = av_malloc(32 + AV_INPUT_BUFFER_PADDING_SIZE)))
             return AVERROR(ENOMEM);
         avctx->extradata_size = 32;



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