A fix attached.
```
==37349==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 153770 byte(s) in 1 object(s) allocated from:
#0 0x7fa249785330 in __interceptor_malloc
(/usr/lib/x86_64-linux-gnu/libasan.so.5+0xe9330)
#1 0x7fa245c41e59 in WebPMuxAssemble
/libwebp-0.6.1/src/mux/muxedit.c:628
#2 0x7fa245c4103e in WebPAnimEncoderAssemble
/libwebp-0.6.1/src/mux/anim_encode.c:1562
#3 0x7fa2485774f9 in libwebp_anim_encode_frame
libavcodec/libwebpenc_animencoder.c:68
#4 0x7fa24833a6ac in encode_simple_internal libavcodec/encode.c:214
#5 0x7fa24833a6ac in encode_simple_receive_packet
libavcodec/encode.c:275
#6 0x7fa24833a6ac in encode_receive_packet_internal
libavcodec/encode.c:309
#7 0x7fa24833abf8 in avcodec_send_frame libavcodec/encode.c:387
#8 0x7fa24833af1c in compat_encode libavcodec/encode.c:439
#9 0x7fa24833b1a5 in avcodec_encode_video2
(/usr/local/ffmpeg/lib/x86_64-linux-gnu/libavcodec.so.58+0x2bb1a5)
```
--- Begin Message ---
Signed-off-by: Andrey Volk <andyw...@gmail.com>
---
libavcodec/libwebpenc_animencoder.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavcodec/libwebpenc_animencoder.c
b/libavcodec/libwebpenc_animencoder.c
index 0f5b524335..29c0d8bb0f 100644
--- a/libavcodec/libwebpenc_animencoder.c
+++ b/libavcodec/libwebpenc_animencoder.c
@@ -70,14 +70,18 @@ static int libwebp_anim_encode_frame(AVCodecContext *avctx,
AVPacket *pkt,
ret = WebPAnimEncoderAssemble(s->enc, &assembled_data);
if (ret) {
ret = ff_get_encode_buffer(avctx, pkt, assembled_data.size, 0);
- if (ret < 0)
+ if (ret < 0) {
+ WebPDataClear(&assembled_data);
return ret;
+ }
memcpy(pkt->data, assembled_data.bytes, assembled_data.size);
+ WebPDataClear(&assembled_data);
s->done = 1;
pkt->pts = pkt->dts = s->first_frame_pts;
*got_packet = 1;
return 0;
} else {
+ WebPDataClear(&assembled_data);
av_log(s, AV_LOG_ERROR,
"WebPAnimEncoderAssemble() failed with error: %d\n",
VP8_ENC_ERROR_OUT_OF_MEMORY);
--
2.33.0.windows.2
--- End Message ---
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