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vc1: fix MV mode packing.

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This commit is contained in:
Gwenole Beauchesne 2011-10-06 15:59:22 +02:00
parent a7ccbde2af
commit b5ab2e56a9
1 changed files with 54 additions and 4 deletions
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58
gst-libs/gst/vaapi/gstvaapidecoder_vc1.c
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@ -503,6 +503,58 @@ get_BFRACTION(guint bfraction)
return 21; /* RESERVED */
}
/* Translate GStreamer MV modes to VA-API */
static guint
get_VAMvModeVC1(guint mvmode)
{
switch (mvmode) {
case GST_VC1_MVMODE_1MV_HPEL_BILINEAR: return VAMvMode1MvHalfPelBilinear;
case GST_VC1_MVMODE_1MV: return VAMvMode1Mv;
case GST_VC1_MVMODE_1MV_HPEL: return VAMvMode1MvHalfPel;
case GST_VC1_MVMODE_MIXED_MV: return VAMvModeMixedMv;
case GST_VC1_MVMODE_INTENSITY_COMP: return VAMvModeIntensityCompensation;
}
return 0;
}
/* Reconstruct bitstream MVMODE (7.1.1.32) */
static guint
get_MVMODE(GstVC1FrameHdr *frame_hdr)
{
guint mvmode;
if (frame_hdr->profile == GST_VC1_PROFILE_ADVANCED)
mvmode = frame_hdr->pic.advanced.mvmode;
else
mvmode = frame_hdr->pic.simple.mvmode;
if (frame_hdr->ptype == GST_VC1_PICTURE_TYPE_P ||
frame_hdr->ptype == GST_VC1_PICTURE_TYPE_B)
return get_VAMvModeVC1(mvmode);
return 0;
}
/* Reconstruct bitstream MVMODE2 (7.1.1.33) */
static guint
get_MVMODE2(GstVC1FrameHdr *frame_hdr)
{
guint mvmode, mvmode2;
if (frame_hdr->profile == GST_VC1_PROFILE_ADVANCED) {
mvmode = frame_hdr->pic.advanced.mvmode;
mvmode2 = frame_hdr->pic.advanced.mvmode2;
}
else {
mvmode = frame_hdr->pic.simple.mvmode;
mvmode2 = frame_hdr->pic.simple.mvmode2;
}
if (frame_hdr->ptype == GST_VC1_PICTURE_TYPE_P &&
mvmode == GST_VC1_MVMODE_INTENSITY_COMP)
return get_VAMvModeVC1(mvmode2);
return 0;
}
static inline int
has_MVTYPEMB_bitplane(GstVaapiDecoderVC1 *decoder)
{
@ -656,8 +708,6 @@ fill_picture_structc(GstVaapiDecoderVC1 *decoder, GstVaapiPicture *picture)
pic_param->bitplane_present.flags.bp_mv_type_mb = has_MVTYPEMB_bitplane(decoder);
pic_param->bitplane_present.flags.bp_direct_mb = has_DIRECTMB_bitplane(decoder);
pic_param->bitplane_present.flags.bp_skip_mb = has_SKIPMB_bitplane(decoder);
pic_param->mv_fields.bits.mv_mode = pic->mvmode;
pic_param->mv_fields.bits.mv_mode2 = pic->mvmode2;
pic_param->mv_fields.bits.mv_table = pic->mvtab;
pic_param->mv_fields.bits.extended_mv_flag = structc->extended_mv;
pic_param->mv_fields.bits.extended_mv_range = pic->mvrange;
@ -722,8 +772,6 @@ fill_picture_advanced(GstVaapiDecoderVC1 *decoder, GstVaapiPicture *picture)
pic_param->bitplane_present.flags.bp_ac_pred = has_ACPRED_bitplane(decoder);
pic_param->bitplane_present.flags.bp_overflags = has_OVERFLAGS_bitplane(decoder);
pic_param->reference_fields.bits.reference_distance_flag = entrypoint_hdr->refdist_flag;
pic_param->mv_fields.bits.mv_mode = pic->mvmode;
pic_param->mv_fields.bits.mv_mode2 = pic->mvmode2;
pic_param->mv_fields.bits.mv_table = pic->mvtab;
pic_param->mv_fields.bits.extended_mv_flag = entrypoint_hdr->extended_mv;
pic_param->mv_fields.bits.extended_mv_range = pic->mvrange;
@ -764,6 +812,8 @@ fill_picture(GstVaapiDecoderVC1 *decoder, GstVaapiPicture *picture)
pic_param->bitplane_present.value = 0;
pic_param->reference_fields.value = 0;
pic_param->mv_fields.value = 0;
pic_param->mv_fields.bits.mv_mode = get_MVMODE(frame_hdr);
pic_param->mv_fields.bits.mv_mode2 = get_MVMODE2(frame_hdr);
pic_param->pic_quantizer_fields.value = 0;
pic_param->pic_quantizer_fields.bits.half_qp = frame_hdr->halfqp;
pic_param->pic_quantizer_fields.bits.pic_quantizer_scale = frame_hdr->pquant;