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| author | Li, Xiaowei A <xiaowei.a.li@intel.com> | 2012-12-12 09:16:25 +0800 |
|---|---|---|
| committer | Xiang, Haihao <haihao.xiang@intel.com> | 2012-12-17 11:20:36 +0800 |
| commit | a76acf6441a414bb5dd601485ed8ed790218bb13 (patch) | |
| tree | 257e15bb77a0933286b8fa6c355ca37749a5e31c /src/gen6_mfd.c | |
| parent | 82a4a3915821dd2a302ca87d21dfcd945f2500af (diff) | |
| download | libva-intel-driver-a76acf6441a414bb5dd601485ed8ed790218bb13.tar.gz libva-intel-driver-a76acf6441a414bb5dd601485ed8ed790218bb13.tar.bz2 libva-intel-driver-a76acf6441a414bb5dd601485ed8ed790218bb13.zip | |
Fill the bitplane for VC1 skip picture decoding
This is a workaround for VC1 skip picture, the corresponding
bit value in bitplane should be 1 for skip picture, but sometimes
application pass down wrong value.
Signed-off-by: Li,Xiaowei <xiaowei.a.li@intel.com>
Diffstat (limited to 'src/gen6_mfd.c')
| -rwxr-xr-x | src/gen6_mfd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gen6_mfd.c b/src/gen6_mfd.c index 11489dd..9afa7dd 100755 --- a/src/gen6_mfd.c +++ b/src/gen6_mfd.c @@ -1423,10 +1423,12 @@ gen6_mfd_vc1_decode_init(VADriverContextP ctx, int i; dri_bo *bo; int width_in_mbs; + int picture_type; assert(decode_state->pic_param && decode_state->pic_param->buffer); pic_param = (VAPictureParameterBufferVC1 *)decode_state->pic_param->buffer; width_in_mbs = ALIGN(pic_param->coded_width, 16) / 16; + picture_type = pic_param->picture_fields.bits.picture_type; /* reference picture */ obj_surface = SURFACE(pic_param->forward_reference_picture); @@ -1526,6 +1528,10 @@ gen6_mfd_vc1_decode_init(VADriverContextP ctx, src_shift = !((src_h * width_in_mbs + src_w) & 1) * 4; src_value = ((src[src_index] >> src_shift) & 0xf); + if (picture_type == GEN6_VC1_SKIPPED_PICTURE){ + src_value |= 0x2; + } + dst_index = src_w / 2; dst[dst_index] = ((dst[dst_index] >> 4) | (src_value << 4)); } |