[FFmpeg-devel] [PATCH] yuv4mpegenc: add bitdepth multiplier after rounding width.

Ronald S. Bultje rsbultje at gmail.com
Mon Apr 17 18:00:10 EEST 2023


Fixes output of HBD odd-width chroma.
---
 libavformat/yuv4mpegenc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/yuv4mpegenc.c b/libavformat/yuv4mpegenc.c
index fc6b08e0cd..2fa5ee2714 100644
--- a/libavformat/yuv4mpegenc.c
+++ b/libavformat/yuv4mpegenc.c
@@ -195,13 +195,14 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
 
     /* The following code presumes all planes to be non-interleaved. */
     for (int k = 0; k < desc->nb_components; k++) {
-        int plane_height = height, plane_width = width * desc->comp[k].step;
+        int plane_height = height, plane_width = width;
         const uint8_t *ptr = frame->data[k];
 
         if (desc->nb_components >= 3 && (k == 1 || k == 2)) { /* chroma? */
             plane_width  = AV_CEIL_RSHIFT(plane_width,  desc->log2_chroma_w);
             plane_height = AV_CEIL_RSHIFT(plane_height, desc->log2_chroma_h);
         }
+        plane_width *= desc->comp[k].step;
 
         for (int i = 0; i < plane_height; i++) {
             avio_write(pb, ptr, plane_width);
-- 
2.38.1



More information about the ffmpeg-devel mailing list