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pstream: Pass frame size to keep split memblock parts aligned

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`pa_pstream_send_memblock()` would split incoming memblock into parts not
exceeding maximum pool block size.

To make sure split parts of memblock are still frame-aligned add new `align` arg
to `pa_pstream_send_memblock`, find out required alignment from stream sample
format and pass it there. Bump default alignment to 256 which is good up to
32bit 64ch frames.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/780>
This commit is contained in:
Igor V. Kovalenko 2023-02-09 13:28:29 +03:00 • committed by PulseAudio Marge Bot
parent 5830e03036
commit 300db77922
5 changed files with 16 additions and 7 deletions
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2
src/pulsecore/pstream.h
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@ -51,7 +51,7 @@ void pa_pstream_unlink(pa_pstream *p);
int pa_pstream_attach_memfd_shmid(pa_pstream *p, unsigned shm_id, int memfd_fd);
void pa_pstream_send_packet(pa_pstream*p, pa_packet *packet, pa_cmsg_ancil_data *ancil_data);
void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk);
void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk, size_t align);
void pa_pstream_send_release(pa_pstream *p, uint32_t block_id);
void pa_pstream_send_revoke(pa_pstream *p, uint32_t block_id);