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memblockq: Drop check for chunk index alignment, require aligned length

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There is no requirement for chunk index to be aligned, we only need chunk length
to be multiple of sample frame size.

Fixes: 6434853b0 ("memblockq: Do not allow non-frame indices in the memblock queue")
Fixes: 22827a5e1 ("protocol-native: Fail if trying to push unaligned memblock into queue")
Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/779>
This commit is contained in:
Igor V. Kovalenko 2023-02-08 10:39:26 +03:00 • committed by PulseAudio Marge Bot
parent 5ab2b9cb0e
commit 15e76a69bf
2 changed files with 3 additions and 4 deletions
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1
src/pulsecore/memblockq.c
View file

@ -286,7 +286,6 @@ int pa_memblockq_push(pa_memblockq* bq, const pa_memchunk *uchunk) {
pa_assert(uchunk->index + uchunk->length <= pa_memblock_get_length(uchunk->memblock));
pa_assert(uchunk->length % bq->base == 0);
pa_assert(uchunk->index % bq->base == 0);
if (!can_push(bq, uchunk->length))
return -1;

6
src/pulsecore/protocol-native.c
View file

@ -5068,9 +5068,9 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
playback_stream *ps = PLAYBACK_STREAM(stream);
size_t frame_size = pa_frame_size(&ps->sink_input->sample_spec);
if (chunk->index % frame_size != 0 || chunk->length % frame_size != 0) {
pa_log_warn("Client sent non-aligned memblock: index %d, length %d, frame size: %d",
(int) chunk->index, (int) chunk->length, (int) frame_size);
if (chunk->length % frame_size != 0) {
pa_log_warn("Client sent non-aligned memblock: length %d, frame size: %d",
(int) chunk->length, (int) frame_size);
return;
}