RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/huffyuvenc: fix end pointer for stats_out 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-26 16:24:36 +01:00
parent a301bb63f0
commit 599e629f88
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/huffyuvenc.c
View File

@ -217,7 +217,8 @@ static av_cold int encode_init(AVCodecContext *avctx)
ff_huffyuv_common_init(avctx);
avctx->extradata = av_mallocz(3*MAX_N + 4);
avctx->stats_out = av_mallocz(21*MAX_N*3 + 4); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
#define STATS_OUT_SIZE 21*MAX_N*3 + 4
avctx->stats_out = av_mallocz(STATS_OUT_SIZE); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
if (!avctx->extradata || !avctx->stats_out) {
av_freep(&avctx->stats_out);
return AVERROR(ENOMEM);
@ -938,7 +939,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
int j;
char *p = avctx->stats_out;
char *end = p + 1024*30;
char *end = p + STATS_OUT_SIZE;
for (i = 0; i < 4; i++) {
for (j = 0; j < s->vlc_n; j++) {
snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);