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| author | Gwenole Beauchesne <gwenole.beauchesne@intel.com> | 2012-02-27 13:57:09 +0100 |
|---|---|---|
| committer | Gwenole Beauchesne <gwenole.beauchesne@intel.com> | 2012-03-18 09:10:11 +0100 |
| commit | 01c37fad8c991714026d6a995e9e35cc7865933e (patch) | |
| tree | 9645eba8becd2844c1e20b2b2440c15003c40ddf /src | |
| parent | 298dc939835e3080c9330b4e52e8dfac25bf3060 (diff) | |
| download | libva-intel-driver-01c37fad8c991714026d6a995e9e35cc7865933e.tar.gz libva-intel-driver-01c37fad8c991714026d6a995e9e35cc7865933e.tar.bz2 libva-intel-driver-01c37fad8c991714026d6a995e9e35cc7865933e.zip | |
mpeg2: fix TFF calculation (SNB).
Gen6 has specific requirements for the TFF flag, and thus has different
semantics than Gen7 (IVB). In particular, HW uses picture_structure and
TFF flag to determine the correct field to render.
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gen6_mfd.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/gen6_mfd.c b/src/gen6_mfd.c index 5d52d76..367294f 100644 --- a/src/gen6_mfd.c +++ b/src/gen6_mfd.c @@ -1142,10 +1142,18 @@ gen6_mfd_mpeg2_pic_state(VADriverContextP ctx, { struct intel_batchbuffer *batch = gen6_mfd_context->base.batch; VAPictureParameterBufferMPEG2 *pic_param; + unsigned int tff, pic_structure; assert(decode_state->pic_param && decode_state->pic_param->buffer); pic_param = (VAPictureParameterBufferMPEG2 *)decode_state->pic_param->buffer; + pic_structure = pic_param->picture_coding_extension.bits.picture_structure; + if (pic_structure == MPEG_FRAME) + tff = pic_param->picture_coding_extension.bits.top_field_first; + else + tff = !(pic_param->picture_coding_extension.bits.is_first_field ^ + (pic_structure & MPEG_TOP_FIELD)); + BEGIN_BCS_BATCH(batch, 4); OUT_BCS_BATCH(batch, MFX_MPEG2_PIC_STATE | (4 - 2)); OUT_BCS_BATCH(batch, @@ -1155,7 +1163,7 @@ gen6_mfd_mpeg2_pic_state(VADriverContextP ctx, ((pic_param->f_code >> 12) & 0xf) << 16 | /* f_code[0][0] */ pic_param->picture_coding_extension.bits.intra_dc_precision << 14 | pic_param->picture_coding_extension.bits.picture_structure << 12 | - pic_param->picture_coding_extension.bits.top_field_first << 11 | + tff << 11 | pic_param->picture_coding_extension.bits.frame_pred_frame_dct << 10 | pic_param->picture_coding_extension.bits.concealment_motion_vectors << 9 | pic_param->picture_coding_extension.bits.q_scale_type << 8 | |