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st/omx/dec/h264: fix corruption when scaling matrix present flag set

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The scaling list should be filled out with zig zag scan

v2: integrate zig zag scan for list 4x4 to vl(Christian)
v3: move list determination out from the loop(Ilia)

Cc: "11.0 11.1" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Leo Liu 2016-02-01 13:32:31 -05:00
parent 4f598f2173
commit 6ad2e55a14
1 changed files with 5 additions and 2 deletions
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7
src/gallium/state_trackers/omx/vid_dec_h264.c
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@ -35,6 +35,7 @@
#include "util/u_memory.h"
#include "util/u_video.h"
#include "vl/vl_rbsp.h"
#include "vl/vl_zscan.h"
#include "entrypoint.h"
#include "vid_dec.h"
@ -205,6 +206,7 @@ static void scaling_list(struct vl_rbsp *rbsp, uint8_t *scalingList, unsigned si
const uint8_t *defaultList, const uint8_t *fallbackList)
{
unsigned lastScale = 8, nextScale = 8;
const int *list;
unsigned i;
/* (pic|seq)_scaling_list_present_flag[i] */
@ -214,6 +216,7 @@ static void scaling_list(struct vl_rbsp *rbsp, uint8_t *scalingList, unsigned si
return;
}
list = (sizeOfScalingList == 16) ? vl_zscan_normal_16 : vl_zscan_normal;
for (i = 0; i < sizeOfScalingList; ++i ) {
if (nextScale != 0) {
@ -224,8 +227,8 @@ static void scaling_list(struct vl_rbsp *rbsp, uint8_t *scalingList, unsigned si
return;
}
}
scalingList[i] = nextScale == 0 ? lastScale : nextScale;
lastScale = scalingList[i];
scalingList[list[i]] = nextScale == 0 ? lastScale : nextScale;
lastScale = scalingList[list[i]];
}
}