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Add 10 HEVC 10 bit decoding support

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Only supporting vaapidecode ! vaapisink combination for now.

Missing dependencies:
1: No support for P010 video format in GStreamer
2: No support for P010 vaGetImage()/vaPutimage() in vaapi-intel-driver
3: As a result of 1&2 , we have no support for Vaapi Video memory mapping
   through GstVideoMeta.

Right now we only set chroma format (YUV420 with more than 8 bits per channel)
for surface pool and keeping GST_VIDEO_FORMAT as ENCODED. The underlying format
of the surfaces is implementation (driver) defined, which is P010.
This commit is contained in:
Sreerenj Balachandran 2015-12-08 16:14:11 +02:00
parent 9ccdbce4bd
commit 61045041c4
4 changed files with 12 additions and 7 deletions
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5
gst-libs/gst/vaapi/gstvaapicontext.c
View file

@ -149,8 +149,9 @@ context_create_surfaces (GstVaapiContext * context)
if (!context->surfaces_pool) {
context->surfaces_pool =
gst_vaapi_surface_pool_new (GST_VAAPI_OBJECT_DISPLAY (context),
GST_VIDEO_FORMAT_ENCODED, cip->width, cip->height);
gst_vaapi_surface_pool_new_with_chroma_type (GST_VAAPI_OBJECT_DISPLAY (context),
cip->chroma_type, cip->width, cip->height);
if (!context->surfaces_pool)
return FALSE;
}

2
gst-libs/gst/vaapi/gstvaapidecoder_h265.c
View file

@ -1102,7 +1102,7 @@ ensure_context (GstVaapiDecoderH265 * decoder, GstH265SPS * sps)
priv->profile = profile;
}
chroma_type = gst_vaapi_utils_h265_get_chroma_type (sps->chroma_format_idc);
chroma_type = gst_vaapi_utils_h265_get_chroma_type (sps->chroma_format_idc, sps->bit_depth_luma_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;

10
gst-libs/gst/vaapi/gstvaapiutils_h265.c
View file

@ -281,16 +281,19 @@ 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)
gst_vaapi_utils_h265_get_chroma_type (guint chroma_format_idc, guint luma_bit_depth)
{
GstVaapiChromaType chroma_type;
GstVaapiChromaType chroma_type = (GstVaapiChromaType) 0;
switch (chroma_format_idc) {
case 0:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV400;
break;
case 1:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
if (luma_bit_depth == 8)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
else if (luma_bit_depth > 8)
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420_10BPP;
break;
case 2:
chroma_type = GST_VAAPI_CHROMA_TYPE_YUV422;
@ -317,6 +320,7 @@ gst_vaapi_utils_h265_get_chroma_format_idc (GstVaapiChromaType chroma_type)
chroma_format_idc = 0;
break;
case GST_VAAPI_CHROMA_TYPE_YUV420:
case GST_VAAPI_CHROMA_TYPE_YUV420_10BPP:
chroma_format_idc = 1;
break;
case GST_VAAPI_CHROMA_TYPE_YUV422:

2
gst-libs/gst/vaapi/gstvaapiutils_h265_priv.h
View file

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