[FFmpeg-devel] [PATCH] dnxhdenc: fix usage of discording scans

[Christophe Gisquet]

Hi,

2015-10-02 20:57 GMT+02:00 Christophe Gisquet <christophe.gisquet at gmail.com>:
> @@ -498,7 +498,7 @@ void dnxhd_unquantize_c(DNXHDEncContext *ctx, int16_t *block, int n,
>                              : ctx->cid_table->luma_weight;
>
>      for (i = 1; i <= last_index; i++) {
> -        int j = ctx->m.intra_scantable.permutated[i];
> +        int j = ctx->m.intra_scantable.scantable[i];
>          level = block[j];
>          if (level) {
>              if (level < 0) {

Actually, the reason for the other hunks is different but the change
is needed there (you need to parse the block according to the true
inverse zigzag).

The original code in this hunk is probably correct.

And I got a crash report so this might need better fix.

-- 
Christophe