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vaapidecode: Use video format derived from decoded surface as default src pad format

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Use the surface format derived from first decoded surface
to negotiate the downstream video format capabilities.

https://bugzilla.gnome.org/show_bug.cgi?id=759181
This commit is contained in:
Sreerenj Balachandran 2016-03-29 14:34:37 +03:00
parent eea3f0cdb2
commit 75a20deab4
1 changed files with 6 additions and 2 deletions
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8
gst/vaapi/gstvaapidecode.c
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@ -215,7 +215,7 @@ gst_vaapidecode_update_src_caps (GstVaapiDecode * decode)
GstVideoCodecState *state, *ref_state;
GstVaapiCapsFeature feature;
GstCapsFeatures *features = NULL;
GstVideoInfo *vi;
GstVideoInfo *vi, *decoded_info;
GstVideoFormat format = GST_VIDEO_FORMAT_I420;
GstClockTime latency;
gint fps_d, fps_n;
@ -226,9 +226,13 @@ gst_vaapidecode_update_src_caps (GstVaapiDecode * decode)
ref_state = decode->input_state;
decoded_info =
(GST_VIDEO_INFO_FORMAT (&decode->decoded_info) !=
GST_VIDEO_FORMAT_UNKNOWN) ? &decode->decoded_info : &ref_state->info;
feature =
gst_vaapi_find_preferred_caps_feature (GST_VIDEO_DECODER_SRC_PAD (vdec),
GST_VIDEO_INFO_FORMAT (&ref_state->info), &format);
GST_VIDEO_INFO_FORMAT (decoded_info), &format);
if (feature == GST_VAAPI_CAPS_FEATURE_NOT_NEGOTIATED)
return FALSE;