---
libavutil/frame.c | 23 ++++++++++++++++++++---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/libavutil/frame.c b/libavutil/frame.c
index e4038096c2..0c64f4a422 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -25,6 +25,7 @@
#include "imgutils.h"
#include "mem.h"
#include "samplefmt.h"
+#include "hwcontext.h"
#if FF_API_FRAME_GET_SET
MAKE_ACCESSORS(AVFrame, frame, int64_t, best_effort_timestamp)
@@ -626,9 +627,22 @@ int av_frame_make_writable(AVFrame *frame)
tmp.channels = frame->channels;
tmp.channel_layout = frame->channel_layout;
tmp.nb_samples = frame->nb_samples;
- ret = av_frame_get_buffer(&tmp, 32);
- if (ret < 0)
- return ret;
+
+ if (frame->hw_frames_ctx) {
+ ret = av_hwframe_get_buffer(frame->hw_frames_ctx, &tmp, 0);
+ if (ret < 0)
+ return ret;
+
+ tmp.hw_frames_ctx = av_buffer_ref(frame->hw_frames_ctx);
+ if (!tmp.hw_frames_ctx) {
+ av_frame_unref(&tmp);
+ return AVERROR(ENOMEM);
+ }
+ } else {
+ ret = av_frame_get_buffer(&tmp, 32);
+ if (ret < 0)
+ return ret;
+ }
ret = av_frame_copy(&tmp, frame);
if (ret < 0) {
@@ -752,6 +766,9 @@ static int frame_copy_video(AVFrame *dst, const AVFrame
*src)
dst->height < src->height)
return AVERROR(EINVAL);
+ if (src->hw_frames_ctx || dst->hw_frames_ctx)
+ return av_hwframe_transfer_data(dst, src, 0);
+
planes = av_pix_fmt_count_planes(dst->format);
for (i = 0; i < planes; i++)
if (!dst->data[i] || !src->data[i])
--
2.20.1
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