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nvh264sldec: Fix wrong scaling list matrix scan order

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Quatization matrix of NVDEC should be raster scan order but
h264parser stores it in zig-zag scan order. We need to convert
the matrix.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1290>
This commit is contained in:
Seungha Yang 2020-05-23 00:57:23 +09:00
parent d806dd2543
commit e75049eb84
1 changed files with 25 additions and 11 deletions
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36
sys/nvcodec/gstnvh264dec.c
View file

@ -715,6 +715,29 @@ gst_nv_h264_dec_get_decoder_frame_from_picture (GstNvH264Dec * self,
return frame;
}
static void
gst_nv_h264_dec_fill_scaling_list_4x4 (const GstH264PPS * pps,
CUVIDH264PICPARAMS * params)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (params->WeightScale4x4); i++)
gst_h264_quant_matrix_4x4_get_raster_from_zigzag (params->WeightScale4x4[i],
pps->scaling_lists_4x4[i]);
}
static void
gst_nv_h264_dec_fill_scaling_list_8x8 (const GstH264PPS * pps,
CUVIDH264PICPARAMS * params)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (params->WeightScale8x8); i++) {
gst_h264_quant_matrix_8x8_get_raster_from_zigzag (params->WeightScale8x8[i],
pps->scaling_lists_8x8[i]);
}
}
static void
gst_nv_h264_dec_picture_params_from_sps (GstNvH264Dec * self,
const GstH264SPS * sps, gboolean field_pic, CUVIDH264PICPARAMS * params)
@ -764,17 +787,8 @@ gst_nv_h264_dec_picture_params_from_pps (GstNvH264Dec * self,
COPY_FIELD (chroma_qp_index_offset);
#undef COPY_FIELD
/* h264parser will copy scaling list from sps to pps regardless of
* pic_scaling_matrix_present_flag */
g_assert (sizeof (params->WeightScale4x4) == sizeof (pps->scaling_lists_4x4));
g_assert (sizeof (params->WeightScale8x8[0]) ==
sizeof (pps->scaling_lists_8x8[0]));
memcpy (params->WeightScale4x4, pps->scaling_lists_4x4,
sizeof (params->WeightScale4x4));
memcpy (params->WeightScale8x8[0], pps->scaling_lists_8x8[0],
sizeof (params->WeightScale8x8[0]));
memcpy (params->WeightScale8x8[1], pps->scaling_lists_8x8[3],
sizeof (params->WeightScale8x8[0]));
gst_nv_h264_dec_fill_scaling_list_4x4 (pps, params);
gst_nv_h264_dec_fill_scaling_list_8x8 (pps, params);
}
static void