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| author | Luca Barbato <lu_zero@gentoo.org> | 2013-08-12 11:34:06 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-08-13 13:09:33 +0200 |
| commit | 075dbc185521f193c98b896cd63be3ec2613df5d (patch) | |
| tree | c4bee3ee819d9b086b23e8ff0c88ab6f41a4cb07 | |
| parent | aae159a7cc4df7d0521901022b778c9da251c24e (diff) | |
| download | ffmpeg-075dbc185521f193c98b896cd63be3ec2613df5d.tar.gz | |
nuv: Pad the lzo outbuf
And properly update the buf_size with the correct size.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
| -rw-r--r-- | libavcodec/nuv.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c index 269bf8bfbb..0905411449 100644 --- a/libavcodec/nuv.c +++ b/libavcodec/nuv.c @@ -125,7 +125,8 @@ static int codec_reinit(AVCodecContext *avctx, int width, int height, avctx->width = c->width = width; avctx->height = c->height = height; av_fast_malloc(&c->decomp_buf, &c->decomp_size, - c->height * c->width * 3 / 2); + c->height * c->width * 3 / 2 + + FF_INPUT_BUFFER_PADDING_SIZE); if (!c->decomp_buf) { av_log(avctx, AV_LOG_ERROR, "Can't allocate decompression buffer.\n"); @@ -199,13 +200,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, buf = &buf[12]; buf_size -= 12; if (comptype == NUV_RTJPEG_IN_LZO || comptype == NUV_LZO) { - int outlen = c->decomp_size, inlen = buf_size; + int outlen = c->decomp_size - FF_INPUT_BUFFER_PADDING_SIZE; + int inlen = buf_size; if (av_lzo1x_decode(c->decomp_buf, &outlen, buf, &inlen)) { av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n"); return AVERROR_INVALIDDATA; } buf = c->decomp_buf; - buf_size = c->decomp_size; + buf_size = outlen; } if (c->codec_frameheader) { int w, h, q; |