[FFmpeg-devel] [PATCH 3/9] pthread_frame: properly propagate the hw frame context across frame threads

[wm4]

From: Anton Khirnov <an...@khirnov.net>

Merges Libav commit 84f22568.

Signed-off-by: wm4 <nfx...@googlemail.com>
---
 libavcodec/pthread_frame.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libavcodec/pthread_frame.c b/libavcodec/pthread_frame.c
index 2a5dfc6723..18f89ee73d 100644
--- a/libavcodec/pthread_frame.c
+++ b/libavcodec/pthread_frame.c
@@ -235,6 +235,17 @@ FF_ENABLE_DEPRECATION_WARNINGS
         dst->sample_fmt     = src->sample_fmt;
         dst->channel_layout = src->channel_layout;
         dst->internal->hwaccel_priv_data = src->internal->hwaccel_priv_data;
+
+        if (!!dst->hw_frames_ctx != !!src->hw_frames_ctx ||
+            (dst->hw_frames_ctx && dst->hw_frames_ctx->data != 
src->hw_frames_ctx->data)) {
+            av_buffer_unref(&dst->hw_frames_ctx);
+
+            if (src->hw_frames_ctx) {
+                dst->hw_frames_ctx = av_buffer_ref(src->hw_frames_ctx);
+                if (!dst->hw_frames_ctx)
+                    return AVERROR(ENOMEM);
+            }
+        }
     }
 
     if (for_user) {
-- 
2.11.0

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