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ffmpeg.wasm-core
Commit 1490682b authored by Paul B Mahol's avatar Paul B Mahol
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avcodec/pngenc: check return value of av_frame_copy() 

Signed-off-by: 's avatarPaul B Mahol <onemda@gmail.com>
parent c3320a51
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Showing with 6 additions and 2 deletions
libavcodec/pngenc.c
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...@@ -768,7 +768,9 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict, ...@@ -768,7 +768,9 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict,
if (last_fctl_chunk.dispose_op != APNG_DISPOSE_OP_PREVIOUS) { if (last_fctl_chunk.dispose_op != APNG_DISPOSE_OP_PREVIOUS) {
diffFrame->width = pict->width; diffFrame->width = pict->width;
diffFrame->height = pict->height; diffFrame->height = pict->height;
av_frame_copy(diffFrame, s->last_frame); ret = av_frame_copy(diffFrame, s->last_frame);
if (ret < 0)
goto fail;
if (last_fctl_chunk.dispose_op == APNG_DISPOSE_OP_BACKGROUND) { if (last_fctl_chunk.dispose_op == APNG_DISPOSE_OP_BACKGROUND) {
for (y = last_fctl_chunk.y_offset; y < last_fctl_chunk.y_offset + last_fctl_chunk.height; ++y) { for (y = last_fctl_chunk.y_offset; y < last_fctl_chunk.y_offset + last_fctl_chunk.height; ++y) {
...@@ -782,7 +784,9 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict, ...@@ -782,7 +784,9 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict,
diffFrame->width = pict->width; diffFrame->width = pict->width;
diffFrame->height = pict->height; diffFrame->height = pict->height;
av_frame_copy(diffFrame, s->prev_frame); ret = av_frame_copy(diffFrame, s->prev_frame);
if (ret < 0)
goto fail;
} }
// Do inverse blending // Do inverse blending
......
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