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avcodec/hq_hqa: Use ff_set_dimensions() 

Fixes: 15530/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5637370344374272
Fixes: signed integer overflow: 65312 * 65312 cannot be represented in type 'int'

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-06-29 21:53:09 +02:00
parent 14fcf42958
commit a6229fcd40
1 changed files with 4 additions and 2 deletions
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6
libavcodec/hq_hqa.c
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@ -254,10 +254,12 @@ static int hqa_decode_frame(HQContext *ctx, AVFrame *pic, size_t data_size)
width = bytestream2_get_be16(&ctx->gbc);
height = bytestream2_get_be16(&ctx->gbc);
ret = ff_set_dimensions(ctx->avctx, width, height);
if (ret < 0)
return ret;
ctx->avctx->coded_width = FFALIGN(width, 16);
ctx->avctx->coded_height = FFALIGN(height, 16);
ctx->avctx->width = width;
ctx->avctx->height = height;
ctx->avctx->bits_per_raw_sample = 8;
ctx->avctx->pix_fmt = AV_PIX_FMT_YUVA422P;