Commit 9253f08fb784ad6a8b67b63e64732cb2f5694b6a - alsa-lib

pcm: rate: fix the crash for the partial period copy The size argument in snd_pcm_rate_commit_area can be smaller than cont in drain. Return the original code. It should not make things worse. Perhaps, we can fill the rest of the period with silence in this case. Fixes: https://github.com/alsa-project/alsa-lib/issues/274 Signed-off-by: Jaroslav Kysela <perex@perex.cz> Jaroslav Kysela 1 year, 6 months ago

1 changed file(s) with 2 addition(s) and 2 deletion(s). Raw diff Collapse all Expand all

-2

src/pcm/pcm_rate.c less more

769	769
770	770	static int snd_pcm_rate_commit_area(snd_pcm_t pcm, snd_pcm_rate_t rate,
771	771	snd_pcm_uframes_t appl_offset,
772		snd_pcm_uframes_t size,
	772	snd_pcm_uframes_t size ATTRIBUTE_UNUSED,
773	773	snd_pcm_uframes_t slave_size)
774	774	{
775	775	snd_pcm_uframes_t cont = pcm->buffer_size - appl_offset;

815	815	pcm->format);
816	816	snd_pcm_areas_copy(rate->pareas, cont,
817	817	areas, 0,
818		pcm->channels, size - cont,
	818	pcm->channels, pcm->period_size - cont,
819	819	pcm->format);
820	820
821	821	snd_pcm_rate_write_areas1(pcm, rate->pareas, 0, rate->sareas, 0);