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plugins: expose I420 format for interop with SW elements.

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Always expose I420 format by default when the VA surface could be
mapped for interoperability with non harware accelerated elements.
However, the default behaviour remains the auto-plugging of vaapi
elements, down to the sink.

Side effect: "direct-rendering" mode is also disabled most of the
times as plain memcpy() from uncached speculative write combining
memory is not going to be efficient enough.
This commit is contained in:
Gwenole Beauchesne 2014-07-23 10:23:06 +02:00
parent dc6d529830
commit dac20cecb4
3 changed files with 6 additions and 14 deletions
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16
gst/vaapi/gstvaapidecode.c
View file

@ -77,10 +77,10 @@ static const char gst_vaapidecode_sink_caps_str[] =
static const char gst_vaapidecode_src_caps_str[] =
#if GST_CHECK_VERSION(1,1,0)
GST_VIDEO_CAPS_MAKE_WITH_FEATURES(
GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE, "{ ENCODED, NV12, I420, YV12 }") ";"
GST_CAPS_FEATURE_MEMORY_VAAPI_SURFACE, "{ ENCODED, I420, YV12, NV12 }") ";"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES(
GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META, "RGBA") ";"
GST_VIDEO_CAPS_MAKE("{ NV12, I420, YV12 }");
GST_VIDEO_CAPS_MAKE("{ I420, YV12, NV12 }");
#else
GST_VAAPI_SURFACE_CAPS;
#endif
@ -176,15 +176,7 @@ gst_vaapidecode_update_src_caps(GstVaapiDecode *decode,
vi = &state->info;
out_format = format;
if (format == GST_VIDEO_FORMAT_ENCODED) {
#if GST_CHECK_VERSION(1,1,0)
out_format = GST_VIDEO_FORMAT_NV12;
if (feature == GST_VAAPI_CAPS_FEATURE_SYSTEM_MEMORY) {
/* XXX: intercept with the preferred output format.
Anyway, I420 is the minimum format that drivers
should support to be useful */
out_format = GST_VIDEO_FORMAT_I420;
}
#endif
out_format = GST_VIDEO_FORMAT_I420;
gst_video_info_init(&vis);
gst_video_info_set_format(&vis, out_format,
GST_VIDEO_INFO_WIDTH(vi), GST_VIDEO_INFO_HEIGHT(vi));
@ -571,7 +563,7 @@ gst_vaapidecode_decide_allocation(GstVideoDecoder *vdec, GstQuery *query)
gst_video_info_init(&vi);
gst_video_info_from_caps(&vi, caps);
if (GST_VIDEO_INFO_FORMAT(&vi) == GST_VIDEO_FORMAT_ENCODED)
gst_video_info_set_format(&vi, GST_VIDEO_FORMAT_NV12,
gst_video_info_set_format(&vi, GST_VIDEO_FORMAT_I420,
GST_VIDEO_INFO_WIDTH(&vi), GST_VIDEO_INFO_HEIGHT(&vi));
g_return_val_if_fail(GST_VAAPI_PLUGIN_BASE_DISPLAY(decode) != NULL, FALSE);

2
gst/vaapi/gstvaapipluginutil.c
View file

@ -521,7 +521,7 @@ gst_vaapi_find_preferred_caps_feature (GstPad * pad, GstVideoFormat format)
goto cleanup;
if (format == GST_VIDEO_FORMAT_ENCODED)
format = GST_VIDEO_FORMAT_NV12;
format = GST_VIDEO_FORMAT_I420;
vaapi_caps =
gst_vaapi_video_format_new_template_caps_with_features (format,

2
gst/vaapi/gstvaapivideomemory.c
View file

@ -540,7 +540,7 @@ gst_vaapi_video_allocator_new(GstVaapiDisplay *display, const GstVideoInfo *vip)
allocator->image_info = *vip;
if (GST_VIDEO_INFO_FORMAT(vip) == GST_VIDEO_FORMAT_ENCODED)
gst_video_info_set_format(&allocator->image_info, GST_VIDEO_FORMAT_NV12,
gst_video_info_set_format(&allocator->image_info, GST_VIDEO_FORMAT_I420,
GST_VIDEO_INFO_WIDTH(vip), GST_VIDEO_INFO_HEIGHT(vip));
if (allocator->has_direct_rendering)