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Rework memory management to allow shared memory data transfer. The central idea

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is to allocate all audio memory blocks from a per-process memory pool which is
available as read-only SHM segment to other local processes. Then, instead of
writing the actual audio data to the socket just write references to this
shared memory pool.

To work optimally all memory blocks should now be of type PA_MEMBLOCK_POOL or
PA_MEMBLOCK_POOL_EXTERNAL. The function pa_memblock_new() now generates memory
blocks of this type by default.



git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1266 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2006-08-18 19:55:18 +00:00
parent ff48681aae
commit 0e436a6926
45 changed files with 1235 additions and 312 deletions
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2
src/modules/rtp/rtp.h
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@ -41,7 +41,7 @@ pa_rtp_context* pa_rtp_context_init_send(pa_rtp_context *c, int fd, uint32_t ssr
int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q);
pa_rtp_context* pa_rtp_context_init_recv(pa_rtp_context *c, int fd, size_t frame_size);
int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_memblock_stat *st);
int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool);
void pa_rtp_context_destroy(pa_rtp_context *c);