if (ret < 0)
return ret;
- if (!(avctx->flags & AV_CODEC_FLAG_GRAY)) {
+ if (!(avctx->flags & AV_CODEC_FLAG_GRAY) && (u_data_size + v_data_size) > 0) {
ret = decode_slice_chroma(avctx, slice, (uint16_t*)dest_u, chroma_stride,
buf + y_data_size, u_data_size,
qmat_chroma_scaled, log2_chroma_blocks_per_mb);
if (ret < 0)
return ret;
}
+ else {
+ size_t mb_max_x = slice->mb_count << (mb_x_shift - 1);
+ for (size_t i = 0; i < 16; ++i)
+ for (size_t j = 0; j < mb_max_x; ++j) {
+ *(uint16_t*)(dest_u + (i * chroma_stride) + (j << 1)) = 511;
+ *(uint16_t*)(dest_v + (i * chroma_stride) + (j << 1)) = 511;
+ }
+ }
+
/* decode alpha plane if available */
if (ctx->alpha_info && pic->data[3] && a_data_size)
decode_slice_alpha(ctx, (uint16_t*)dest_a, luma_stride,