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300db77922
`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>
76 lines
3.2 KiB
C
76 lines
3.2 KiB
C
#ifndef foopstreamhfoo
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#define foopstreamhfoo
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#include <inttypes.h>
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#include <pulse/mainloop-api.h>
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#include <pulse/def.h>
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#include <pulsecore/packet.h>
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#include <pulsecore/memblock.h>
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#include <pulsecore/iochannel.h>
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#include <pulsecore/srbchannel.h>
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#include <pulsecore/memchunk.h>
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#include <pulsecore/creds.h>
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#include <pulsecore/macro.h>
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typedef struct pa_pstream pa_pstream;
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typedef void (*pa_pstream_packet_cb_t)(pa_pstream *p, pa_packet *packet, pa_cmsg_ancil_data *ancil_data, void *userdata);
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typedef void (*pa_pstream_memblock_cb_t)(pa_pstream *p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk, void *userdata);
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typedef void (*pa_pstream_notify_cb_t)(pa_pstream *p, void *userdata);
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typedef void (*pa_pstream_block_id_cb_t)(pa_pstream *p, uint32_t block_id, void *userdata);
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pa_pstream* pa_pstream_new(pa_mainloop_api *m, pa_iochannel *io, pa_mempool *p);
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pa_pstream* pa_pstream_ref(pa_pstream*p);
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void pa_pstream_unref(pa_pstream*p);
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void pa_pstream_unlink(pa_pstream *p);
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int pa_pstream_attach_memfd_shmid(pa_pstream *p, unsigned shm_id, int memfd_fd);
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void pa_pstream_send_packet(pa_pstream*p, pa_packet *packet, pa_cmsg_ancil_data *ancil_data);
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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);
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void pa_pstream_send_release(pa_pstream *p, uint32_t block_id);
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void pa_pstream_send_revoke(pa_pstream *p, uint32_t block_id);
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void pa_pstream_set_receive_packet_callback(pa_pstream *p, pa_pstream_packet_cb_t cb, void *userdata);
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void pa_pstream_set_receive_memblock_callback(pa_pstream *p, pa_pstream_memblock_cb_t cb, void *userdata);
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void pa_pstream_set_drain_callback(pa_pstream *p, pa_pstream_notify_cb_t cb, void *userdata);
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void pa_pstream_set_die_callback(pa_pstream *p, pa_pstream_notify_cb_t cb, void *userdata);
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void pa_pstream_set_release_callback(pa_pstream *p, pa_pstream_block_id_cb_t cb, void *userdata);
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void pa_pstream_set_revoke_callback(pa_pstream *p, pa_pstream_block_id_cb_t cb, void *userdata);
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bool pa_pstream_is_pending(pa_pstream *p);
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void pa_pstream_enable_shm(pa_pstream *p, bool enable);
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void pa_pstream_enable_memfd(pa_pstream *p);
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bool pa_pstream_get_shm(pa_pstream *p);
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bool pa_pstream_get_memfd(pa_pstream *p);
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/* Enables shared ringbuffer channel. Note that the srbchannel is now owned by the pstream.
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Setting srb to NULL will free any existing srbchannel. */
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void pa_pstream_set_srbchannel(pa_pstream *p, pa_srbchannel *srb);
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#endif
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