codec_dav1d.c: Add comment about stealing planes
Since we steal the planes without using the avifImageStealPlanes()
function, a comment helps identify this location when we need to inspect
the code that steal planes. All the other codec_xxx.c files (for
decoders) have this comment.
diff --git a/src/codec_dav1d.c b/src/codec_dav1d.c
index 673451f..95f3709 100644
--- a/src/codec_dav1d.c
+++ b/src/codec_dav1d.c
@@ -178,6 +178,7 @@
image->transferCharacteristics = (avifTransferCharacteristics)dav1dImage->seq_hdr->trc;
image->matrixCoefficients = (avifMatrixCoefficients)dav1dImage->seq_hdr->mtrx;
+ // Steal the pointers from the decoder's image directly
avifImageFreePlanes(image, AVIF_PLANES_YUV);
int yuvPlaneCount = (yuvFormat == AVIF_PIXEL_FORMAT_YUV400) ? 1 : 3;
for (int yuvPlane = 0; yuvPlane < yuvPlaneCount; ++yuvPlane) {
