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indeo: check that band output buffer exists

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This commit is contained in:
Kostya Shishkov 2012-05-19 13:45:00 +02:00
parent 23ba1503f2
commit 9603738221
1 changed files with 4 additions and 0 deletions
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4
libavcodec/ivi_common.c
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@ -641,6 +641,10 @@ static int decode_band(IVI45DecContext *ctx, int plane_num,
IVITile *tile;
band->buf = band->bufs[ctx->dst_buf];
if (!band->buf) {
av_log(avctx, AV_LOG_ERROR, "Band buffer points to no data!\n");
return AVERROR_INVALIDDATA;
}
band->ref_buf = band->bufs[ctx->ref_buf];
band->data_ptr = ctx->frame_data + (get_bits_count(&ctx->gb) >> 3);