diff options
author | Michael Niedermayer <michael@niedermayer.cc> | 2023-03-09 13:57:17 +0100 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-04-18 01:31:38 +0200 |
commit | e2c3aa8e2b800c5b860315277b3ea426b8b23393 (patch) | |
tree | c21a626fd9a554c147d1fa2293e9576b9862bc83 /libavcodec/lcldec.c | |
parent | 4ea28554db5195a3981822f88e55262ed0429411 (diff) | |
download | ffmpeg-e2c3aa8e2b800c5b860315277b3ea426b8b23393.tar.gz |
avcodec/lcldec: More space for rgb24
Fixes: Ticket 10239
Fixes: zlib_306_306_rgb24.av
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/lcldec.c')
-rw-r--r-- | libavcodec/lcldec.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/lcldec.c b/libavcodec/lcldec.c index f9a0755e4d..eb5139a5c5 100644 --- a/libavcodec/lcldec.c +++ b/libavcodec/lcldec.c @@ -152,6 +152,8 @@ static int zlib_decomp(AVCodecContext *avctx, const uint8_t *src, int src_len, i if (expected != (unsigned int)zstream->total_out) { av_log(avctx, AV_LOG_ERROR, "Decoded size differs (%d != %lu)\n", expected, zstream->total_out); + if (expected > (unsigned int)zstream->total_out) + return (unsigned int)zstream->total_out; return AVERROR_UNKNOWN; } return zstream->total_out; @@ -278,12 +280,13 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame, ret = zlib_decomp(avctx, buf + 8 + mthread_inlen, len - 8 - mthread_inlen, mthread_outlen, mthread_outlen); if (ret < 0) return ret; + len = c->decomp_size; } else { int ret = zlib_decomp(avctx, buf, len, 0, c->decomp_size); if (ret < 0) return ret; + len = ret; } encoded = c->decomp_buf; - len = c->decomp_size; break; #endif default: @@ -521,7 +524,7 @@ static av_cold int decode_init(AVCodecContext *avctx) partial_h_supported = 1; break; case IMGTYPE_RGB24: - c->decomp_size = basesize * 3; + c->decomp_size = FFALIGN(avctx->width*3, 4) * avctx->height; max_decomp_size = max_basesize * 3; avctx->pix_fmt = AV_PIX_FMT_BGR24; av_log(avctx, AV_LOG_DEBUG, "Image type is RGB 24.\n"); |