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| author | Luca Barbato <lu_zero@gentoo.org> | 2015-04-28 01:55:10 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2015-04-28 23:51:51 +0200 |
| commit | 0ac8ff618c5e6d878c547a8877e714ed728950ce (patch) | |
| tree | e8837d8e2a7ce7db32e6af73b8b1c10b16a2611f | |
| parent | 82de8d71118f4eafd6a43e9ea9169bd411793798 (diff) | |
| download | ffmpeg-0ac8ff618c5e6d878c547a8877e714ed728950ce.tar.gz | |
avresample: Reallocate the internal buffer to the correct size
Fixes the corner case in which the internal buffer size
is larger than input buffer provided and resizing it
before moving the left over samples would make it write
to now unallocated memory.
Bug-Id: 825
CC: libav-stable@libav.org
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
| -rw-r--r-- | libavresample/resample.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavresample/resample.c b/libavresample/resample.c index bf766a2b97..86a761b5d0 100644 --- a/libavresample/resample.c +++ b/libavresample/resample.c @@ -434,7 +434,9 @@ int ff_audio_resample(ResampleContext *c, AudioData *dst, AudioData *src) int bps = av_get_bytes_per_sample(c->avr->internal_sample_fmt); int i; - ret = ff_audio_data_realloc(c->buffer, in_samples + c->padding_size); + ret = ff_audio_data_realloc(c->buffer, + FFMAX(in_samples, in_leftover) + + c->padding_size); if (ret < 0) { av_log(c->avr, AV_LOG_ERROR, "Error reallocating resampling buffer\n"); return AVERROR(ENOMEM); |