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libs: dec: h265: Consider chroma_bit_depth to choose chrome type

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For some main-10 stream, sometime the luma is 8 bits while chrome is more
than 8 bits, which cause using the wrong NV12 surface as the render target
and decoding error.

Fix #176
This commit is contained in:
He Junyan 2019-06-25 19:11:12 +08:00 committed by Víctor Manuel Jáquez Leal
parent e4bec306b6
commit 9b0f041ded
3 changed files with 23 additions and 11 deletions
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2
gst-libs/gst/vaapi/gstvaapidecoder_h265.c
View file

@ -1144,7 +1144,7 @@ ensure_context (GstVaapiDecoderH265 * decoder, GstH265SPS * sps)
chroma_type =
gst_vaapi_utils_h265_get_chroma_type (sps->chroma_format_idc,
sps->bit_depth_luma_minus8 + 8);
sps->bit_depth_luma_minus8 + 8, sps->bit_depth_chroma_minus8 + 8);
if (!chroma_type) {
GST_ERROR ("unsupported chroma_format_idc %u", sps->chroma_format_idc);
return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT;

29
gst-libs/gst/vaapi/gstvaapiutils_h265.c
View file

@ -326,37 +326,48 @@ gst_vaapi_utils_h265_get_level_limits_table (guint * out_length_ptr)
/** Returns GstVaapiChromaType from H.265 chroma_format_idc value */
GstVaapiChromaType
gst_vaapi_utils_h265_get_chroma_type (guint chroma_format_idc,
guint luma_bit_depth)
guint luma_bit_depth, guint chroma_bit_depth)
{
GstVaapiChromaType chroma_type = (GstVaapiChromaType) 0;
guint depth = 0;
if (luma_bit_depth < 8 || chroma_bit_depth < 8 ||
luma_bit_depth > 16 || chroma_bit_depth > 16) {
GST_WARNING ("invalid luma_bit_depth or chroma_bit_depth value");
return chroma_type;
}
depth = MAX (luma_bit_depth, chroma_bit_depth);
switch (chroma_format_idc) {
case 0:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV400;
break;
case 1:
if (luma_bit_depth == 8)
if (depth == 8)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
else if (luma_bit_depth > 8)
else if (depth > 8 && depth <= 10)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420_10BPP;
break;
case 2:
if (luma_bit_depth == 8)
if (depth == 8)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV422;
else if (luma_bit_depth > 8)
else if (depth > 8 && depth <= 10)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV422_10BPP;
break;
case 3:
if (luma_bit_depth == 8)
if (depth == 8)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV444;
else if (luma_bit_depth > 8)
else if (depth > 8 && depth <= 10)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV444_10BPP;
break;
default:
GST_DEBUG ("unsupported chroma_format_idc value");
chroma_type = (GstVaapiChromaType) 0;
break;
}
if (chroma_type == (GstVaapiChromaType) 0)
GST_DEBUG ("unsupported chroma_format_idc value");
return chroma_type;
}

3
gst-libs/gst/vaapi/gstvaapiutils_h265_priv.h
View file

@ -93,7 +93,8 @@ gst_vaapi_utils_h265_get_level_limits_table (guint * out_length_ptr);
/* Returns GstVaapiChromaType from H.265 chroma_format_idc value */
G_GNUC_INTERNAL
GstVaapiChromaType
gst_vaapi_utils_h265_get_chroma_type (guint chroma_format_idc, guint luma_bit_depth);
gst_vaapi_utils_h265_get_chroma_type (guint chroma_format_idc,
guint luma_bit_depth, guint chroma_bit_depth);
/* Returns H.265 chroma_format_idc value from GstVaapiChromaType */
G_GNUC_INTERNAL