File gst-vaapi-h264-ensure-num_ref_frames-greater-0.... of Package gstreamer-plugins-vaapi

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File gst-vaapi-h264-ensure-num_ref_frames-greater-0.patch of Package gstreamer-plugins-vaapi (Revision fd48e63dab6cbc102588964189397250)

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From 9a130035e52a49e6804ff33eb399ea5f6be5c773 Mon Sep 17 00:00:00 2001
From: Julien Isorce <jisorce@oblong.com>
Date: Mon, 12 Mar 2018 16:59:01 +0000
Subject: libs: decoder: h264: ensure num_ref_frames is greater than 0

Even if it is the h264parse fault or bad video file, vaapih264dec
should set a proper value for VAPictureParameterBufferH264.num_ref_frames
as the driver might use it.

Also see "info.ref_frames = dpb_size;" in
gstvaapidecoder_h264.c::ensure_context

https://bugzilla.gnome.org/show_bug.cgi?id=793836
---
 gst-libs/gst/vaapi/gstvaapidecoder_h264.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gst-libs/gst/vaapi/gstvaapidecoder_h264.c b/gst-libs/gst/vaapi/gstvaapidecoder_h264.c
index ae644c6..165f0ee 100644
--- a/gst-libs/gst/vaapi/gstvaapidecoder_h264.c
+++ b/gst-libs/gst/vaapi/gstvaapidecoder_h264.c
@@ -3781,6 +3781,9 @@ fill_picture (GstVaapiDecoderH264 * decoder, GstVaapiPictureH264 * picture)
   COPY_FIELD (sps, bit_depth_luma_minus8);
   COPY_FIELD (sps, bit_depth_chroma_minus8);
   COPY_FIELD (sps, num_ref_frames);
+  if (pic_param->num_ref_frames == 0)
+    pic_param->num_ref_frames = priv->dpb_size;
+
 #if !VA_CHECK_VERSION(1,0,0)
   /* Deprecate H.264 baseline profile and FMO support */
   COPY_FIELD (pps, num_slice_groups_minus1);
-- 
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File gst-vaapi-h264-ensure-num_ref_frames-greater-0.patch of Package gstreamer-plugins-vaapi (Revision fd48e63dab6cbc102588964189397250)

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