virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-03-23 04:24:35 +02:00
Code Issues Releases Activity

avcodec/rl2: set dimensions

Browse Source 
The dimensions are always 320x200 they are hardcoded in the demuxer.
Hardcode them instead in the decoder.

Fixes: Timeout (16sec -> 400ms)
Fixes: 15574/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RL2_fuzzer-5158614072819712

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 965e766e4892cfc45c97cca88895248a7735e7d0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-07-22 23:24:35 +02:00
parent a05d292756
commit f4319997ad
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/rl2.c
View File

@ -134,10 +134,15 @@ static av_cold int rl2_decode_init(AVCodecContext *avctx)
Rl2Context *s = avctx->priv_data; Rl2Context *s = avctx->priv_data;
int back_size; int back_size;
int i; int i;
int ret;
s->avctx = avctx; s->avctx = avctx;
avctx->pix_fmt = AV_PIX_FMT_PAL8; avctx->pix_fmt = AV_PIX_FMT_PAL8;
ret = ff_set_dimensions(avctx, 320, 200);
if (ret < 0)
return ret;
/** parse extra data */ /** parse extra data */
if (!avctx->extradata || avctx->extradata_size < EXTRADATA1_SIZE) { if (!avctx->extradata || avctx->extradata_size < EXTRADATA1_SIZE) {
av_log(avctx, AV_LOG_ERROR, "invalid extradata size\n"); av_log(avctx, AV_LOG_ERROR, "invalid extradata size\n");