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| author | James Almer <jamrial@gmail.com> | 2020-05-29 13:59:12 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2020-06-09 18:18:11 -0300 |
| commit | 1ee3c984b91e0241068d1c093d222ecec2e6052c (patch) | |
| tree | f72a0f636ed419806133596ecc6d83dbcd20dfa9 /libavcodec | |
| parent | 7ab375f57488112fcdc8c286cdf74276d50887c2 (diff) | |
| download | ffmpeg-1ee3c984b91e0241068d1c093d222ecec2e6052c.tar.gz | |
avcodec/snow: ensure current_picture is writable before modifying its data
current_picture was not writable here because a reference existed in
at least avctx->coded_frame, and potentially elsewhere if the caller
created new ones from it.
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/snowenc.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c index fb8983cd2f..b1cf1426ee 100644 --- a/libavcodec/snowenc.c +++ b/libavcodec/snowenc.c @@ -1625,10 +1625,22 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, s->lambda = 0; }//else keep previous frame's qlog until after motion estimation +#if FF_API_CODED_FRAME +FF_DISABLE_DEPRECATION_WARNINGS + av_frame_unref(avctx->coded_frame); +FF_ENABLE_DEPRECATION_WARNINGS +#endif + if (s->current_picture->data[0]) { int w = s->avctx->width; int h = s->avctx->height; +#if FF_API_CODED_FRAME + ret = av_frame_make_writable(s->current_picture); + if (ret < 0) + return ret; +#endif + s->mpvencdsp.draw_edges(s->current_picture->data[0], s->current_picture->linesize[0], w , h , EDGE_WIDTH , EDGE_WIDTH , EDGE_TOP | EDGE_BOTTOM); @@ -1646,7 +1658,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, ff_snow_frame_start(s); #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS - av_frame_unref(avctx->coded_frame); ret = av_frame_ref(avctx->coded_frame, s->current_picture); FF_ENABLE_DEPRECATION_WARNINGS #endif |