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Merge HUGE set of changes temporarily into a branch, to allow me to move them from one machine to another (lock-free and stuff)

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1469 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-06-11 12:08:37 +00:00
parent 6aeec56708
commit 00da37f2c4
72 changed files with 4389 additions and 1767 deletions
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35
src/pulsecore/protocol-esound.c
View file

@ -894,14 +894,22 @@ static int do_read(struct connection *c) {
}
} else if (c->state == ESD_CACHING_SAMPLE) {
ssize_t r;
void *p;
assert(c->scache.memchunk.memblock && c->scache.name && c->scache.memchunk.index < c->scache.memchunk.length);
assert(c->scache.memchunk.memblock);
assert(c->scache.name);
assert(c->scache.memchunk.index < c->scache.memchunk.length);
if ((r = pa_iochannel_read(c->io, (uint8_t*) c->scache.memchunk.memblock->data+c->scache.memchunk.index, c->scache.memchunk.length-c->scache.memchunk.index)) <= 0) {
p = pa_memblock_acquire(c->scache.memchunk.memblock);
if ((r = pa_iochannel_read(c->io, (uint8_t*) p+c->scache.memchunk.index, c->scache.memchunk.length-c->scache.memchunk.index)) <= 0) {
pa_memblock_release(c->scache.memchunk.memblock);
pa_log_debug("read(): %s", r < 0 ? pa_cstrerror(errno) : "EOF");
return -1;
}
pa_memblock_release(c->scache.memchunk.memblock);
c->scache.memchunk.index += r;
assert(c->scache.memchunk.index <= c->scache.memchunk.length);
@ -928,6 +936,7 @@ static int do_read(struct connection *c) {
pa_memchunk chunk;
ssize_t r;
size_t l;
void *p;
assert(c->input_memblockq);
@ -940,7 +949,7 @@ static int do_read(struct connection *c) {
l = c->playback.fragment_size;
if (c->playback.current_memblock)
if (c->playback.current_memblock->length - c->playback.memblock_index < l) {
if (pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index < l) {
pa_memblock_unref(c->playback.current_memblock);
c->playback.current_memblock = NULL;
c->playback.memblock_index = 0;
@ -948,14 +957,19 @@ static int do_read(struct connection *c) {
if (!c->playback.current_memblock) {
c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, c->playback.fragment_size*2);
assert(c->playback.current_memblock && c->playback.current_memblock->length >= l);
assert(c->playback.current_memblock);
assert(pa_memblock_get_length(c->playback.current_memblock) >= l);
c->playback.memblock_index = 0;
}
if ((r = pa_iochannel_read(c->io, (uint8_t*) c->playback.current_memblock->data+c->playback.memblock_index, l)) <= 0) {
p = pa_memblock_acquire(c->playback.current_memblock);
if ((r = pa_iochannel_read(c->io, (uint8_t*) p+c->playback.memblock_index, l)) <= 0) {
pa_memblock_release(c->playback.current_memblock);
pa_log_debug("read(): %s", r < 0 ? pa_cstrerror(errno) : "EOF");
return -1;
}
pa_memblock_release(c->playback.current_memblock);
chunk.memblock = c->playback.current_memblock;
chunk.index = c->playback.memblock_index;
@ -993,19 +1007,26 @@ static int do_write(struct connection *c) {
} else if (c->state == ESD_STREAMING_DATA && c->source_output) {
pa_memchunk chunk;
ssize_t r;
void *p;
assert(c->output_memblockq);
if (pa_memblockq_peek(c->output_memblockq, &chunk) < 0)
return 0;
assert(chunk.memblock && chunk.length);
assert(chunk.memblock);
assert(chunk.length);
if ((r = pa_iochannel_write(c->io, (uint8_t*) chunk.memblock->data+chunk.index, chunk.length)) < 0) {
p = pa_memblock_acquire(chunk.memblock);
if ((r = pa_iochannel_write(c->io, (uint8_t*) p+chunk.index, chunk.length)) < 0) {
pa_memblock_release(chunk.memblock);
pa_memblock_unref(chunk.memblock);
pa_log("write(): %s", pa_cstrerror(errno));
return -1;
}
pa_memblock_release(chunk.memblock);
pa_memblockq_drop(c->output_memblockq, &chunk, r);
pa_memblock_unref(chunk.memblock);