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libfdk-aac: Check if cutoff value is valid

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Passing a cutoff value < sample_rate/256 will cause a crash.
Also, values >20000 will have no effect and 20000 will be used anyway.

Signed-off-by: Mohammad Alsaleh <msal@tormail.org>
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Mohammad Alsaleh 2012-07-15 19:41:11 +03:00 committed by Martin Storsjö
parent 9e4b04f8b9
commit c37c383e59
1 changed files with 5 additions and 0 deletions
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5
libavcodec/libfdk-aacenc.c
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@ -231,6 +231,11 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
} }
if (avctx->cutoff > 0) { if (avctx->cutoff > 0) {
if (avctx->cutoff < (avctx->sample_rate + 255) >> 8) {
av_log(avctx, AV_LOG_ERROR, "cutoff valid range is %d-20000\n",
(avctx->sample_rate + 255) >> 8);
goto error;
}
if ((err = aacEncoder_SetParam(s->handle, AACENC_BANDWIDTH, if ((err = aacEncoder_SetParam(s->handle, AACENC_BANDWIDTH,
avctx->cutoff)) != AACENC_OK) { avctx->cutoff)) != AACENC_OK) {
av_log(avctx, AV_LOG_ERROR, "Unable to set the encoder bandwith to %d: %s\n", av_log(avctx, AV_LOG_ERROR, "Unable to set the encoder bandwith to %d: %s\n",