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-rw-r--r--src/Makefile.am7
-rw-r--r--src/modules/module-alsa-sink.c14
-rw-r--r--src/modules/module-alsa-source.c10
-rw-r--r--src/modules/module-esound-sink.c11
-rw-r--r--src/modules/module-jack-sink.c5
-rw-r--r--src/modules/module-jack-source.c7
-rw-r--r--src/modules/module-oss-mmap.c4
-rw-r--r--src/modules/module-oss.c22
-rw-r--r--src/modules/module-pipe-sink.c11
-rw-r--r--src/modules/module-pipe-source.c13
-rw-r--r--src/modules/module-sine.c14
-rw-r--r--src/modules/rtp/rtp.c18
-rw-r--r--src/pulse/internal.h1
-rw-r--r--src/pulse/stream.c20
-rw-r--r--src/pulsecore/cli-command.c20
-rw-r--r--src/pulsecore/mcalign.c10
-rw-r--r--src/pulsecore/memblock.c507
-rw-r--r--src/pulsecore/memblock.h61
-rw-r--r--src/pulsecore/memblockq.c10
-rw-r--r--src/pulsecore/memchunk.c15
-rw-r--r--src/pulsecore/play-memchunk.c2
-rw-r--r--src/pulsecore/protocol-esound.c38
-rw-r--r--src/pulsecore/protocol-native.c14
-rw-r--r--src/pulsecore/protocol-simple.c22
-rw-r--r--src/pulsecore/pstream.c169
-rw-r--r--src/pulsecore/resampler.c247
-rw-r--r--src/pulsecore/sample-util.c116
-rw-r--r--src/pulsecore/sample-util.h3
-rw-r--r--src/pulsecore/sink-input.c9
-rw-r--r--src/pulsecore/sink.c26
-rw-r--r--src/pulsecore/sound-file-stream.c9
-rw-r--r--src/pulsecore/sound-file.c15
-rw-r--r--src/tests/flist-test.c2
-rw-r--r--src/tests/mcalign-test.c19
-rw-r--r--src/tests/memblock-test.c20
-rw-r--r--src/tests/memblockq-test.c4
36 files changed, 502 insertions, 993 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 0ce805ec..64df8614 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -268,7 +268,8 @@ thread_test_CFLAGS = $(AM_CFLAGS)
thread_test_LDADD = $(AM_LDADD) libpulsecore.la
thread_test_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
-flist_test_SOURCES = tests/flist-test.c
+flist_test_SOURCES = tests/flist-test.c \
+ pulsecore/flist.c pulsecore/flist.h
flist_test_CFLAGS = $(AM_CFLAGS)
flist_test_LDADD = $(AM_LDADD) libpulsecore.la
flist_test_LDFLAGS = $(AM_LDFLAGS) $(BINLDFLAGS)
@@ -447,8 +448,6 @@ libpulse_la_SOURCES += \
pulsecore/core-error.c pulsecore/core-error.h \
pulsecore/winsock.h pulsecore/creds.h \
pulsecore/shm.c pulsecore/shm.h \
- pulsecore/flist.c pulsecore/flist.h \
- pulsecore/anotify.c pulsecore/anotify.h \
$(PA_THREAD_OBJS)
if OS_IS_WIN32
@@ -629,8 +628,6 @@ libpulsecore_la_SOURCES += \
pulsecore/core-error.c pulsecore/core-error.h \
pulsecore/hook-list.c pulsecore/hook-list.h \
pulsecore/shm.c pulsecore/shm.h \
- pulsecore/flist.c pulsecore/flist.h \
- pulsecore/anotify.c pulsecore/anotify.h \
$(PA_THREAD_OBJS)
if OS_IS_WIN32
diff --git a/src/modules/module-alsa-sink.c b/src/modules/module-alsa-sink.c
index 7bbd7de2..6ff9a6e4 100644
--- a/src/modules/module-alsa-sink.c
+++ b/src/modules/module-alsa-sink.c
@@ -144,7 +144,6 @@ static void do_write(struct userdata *u) {
update_usage(u);
for (;;) {
- void *p;
pa_memchunk *memchunk = NULL;
snd_pcm_sframes_t frames;
@@ -157,15 +156,9 @@ static void do_write(struct userdata *u) {
memchunk = &u->memchunk;
}
- assert(memchunk->memblock);
- assert(memchunk->length);
- assert((memchunk->length % u->frame_size) == 0);
+ assert(memchunk->memblock && memchunk->memblock->data && memchunk->length && memchunk->memblock->length && (memchunk->length % u->frame_size) == 0);
- p = pa_memblock_acquire(memchunk->memblock);
-
- if ((frames = snd_pcm_writei(u->pcm_handle, (uint8_t*) p + memchunk->index, memchunk->length / u->frame_size)) < 0) {
- pa_memblock_release(memchunk->memblock);
-
+ if ((frames = snd_pcm_writei(u->pcm_handle, (uint8_t*) memchunk->memblock->data + memchunk->index, memchunk->length / u->frame_size)) < 0) {
if (frames == -EAGAIN)
return;
@@ -183,9 +176,6 @@ static void do_write(struct userdata *u) {
return;
}
- pa_memblock_release(memchunk->memblock);
-
-
if (memchunk == &u->memchunk) {
size_t l = frames * u->frame_size;
memchunk->index += l;
diff --git a/src/modules/module-alsa-source.c b/src/modules/module-alsa-source.c
index 9bde46da..aa0666f1 100644
--- a/src/modules/module-alsa-source.c
+++ b/src/modules/module-alsa-source.c
@@ -149,7 +149,6 @@ static void do_read(struct userdata *u) {
pa_memchunk post_memchunk;
snd_pcm_sframes_t frames;
size_t l;
- void *p;
if (!u->memchunk.memblock) {
u->memchunk.memblock = pa_memblock_new(u->source->core->mempool, u->memchunk.length = u->fragment_size);
@@ -158,13 +157,11 @@ static void do_read(struct userdata *u) {
assert(u->memchunk.memblock);
assert(u->memchunk.length);
+ assert(u->memchunk.memblock->data);
+ assert(u->memchunk.memblock->length);
assert(u->memchunk.length % u->frame_size == 0);
- p = pa_memblock_acquire(u->memchunk.memblock);
-
- if ((frames = snd_pcm_readi(u->pcm_handle, (uint8_t*) p + u->memchunk.index, u->memchunk.length / u->frame_size)) < 0) {
- pa_memblock_release(u->memchunk.memblock);
-
+ if ((frames = snd_pcm_readi(u->pcm_handle, (uint8_t*) u->memchunk.memblock->data + u->memchunk.index, u->memchunk.length / u->frame_size)) < 0) {
if (frames == -EAGAIN)
return;
@@ -181,7 +178,6 @@ static void do_read(struct userdata *u) {
pa_module_unload_request(u->module);
return;
}
- pa_memblock_release(u->memchunk.memblock);
l = frames * u->frame_size;
diff --git a/src/modules/module-esound-sink.c b/src/modules/module-esound-sink.c
index ca1f16ce..6d4a8489 100644
--- a/src/modules/module-esound-sink.c
+++ b/src/modules/module-esound-sink.c
@@ -142,25 +142,18 @@ static int do_write(struct userdata *u) {
u->write_index = u->write_length = 0;
}
} else if (u->state == STATE_RUNNING) {
- void *p;
-
pa_module_set_used(u->module, pa_sink_used_by(u->sink));
if (!u->memchunk.length)
if (pa_sink_render(u->sink, 8192, &u->memchunk) < 0)
return 0;
- assert(u->memchunk.memblock);
- assert(u->memchunk.length);
-
- p = pa_memblock_acquire(u->memchunk.memblock);
+ assert(u->memchunk.memblock && u->memchunk.length);
- if ((r = pa_iochannel_write(u->io, (uint8_t*) p + u->memchunk.index, u->memchunk.length)) < 0) {
- pa_memblock_release(u->memchunk.memblock);
+ if ((r = pa_iochannel_write(u->io, (uint8_t*) u->memchunk.memblock->data + u->memchunk.index, u->memchunk.length)) < 0) {
pa_log("write() failed: %s", pa_cstrerror(errno));
return -1;
}
- pa_memblock_release(u->memchunk.memblock);
u->memchunk.index += r;
u->memchunk.length -= r;
diff --git a/src/modules/module-jack-sink.c b/src/modules/module-jack-sink.c
index 66ded27f..47f77bab 100644
--- a/src/modules/module-jack-sink.c
+++ b/src/modules/module-jack-sink.c
@@ -135,25 +135,22 @@ static void io_event_cb(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event_
unsigned fs;
jack_nframes_t frame_idx;
pa_memchunk chunk;
- void *p;
fs = pa_frame_size(&u->sink->sample_spec);
pa_sink_render_full(u->sink, u->frames_requested * fs, &chunk);
- p = pa_memblock_acquire(chunk.memblock);
for (frame_idx = 0; frame_idx < u->frames_requested; frame_idx ++) {
unsigned c;
for (c = 0; c < u->channels; c++) {
- float *s = ((float*) ((uint8_t*) p + chunk.index)) + (frame_idx * u->channels) + c;
+ float *s = ((float*) ((uint8_t*) chunk.memblock->data + chunk.index)) + (frame_idx * u->channels) + c;
float *d = ((float*) u->buffer[c]) + frame_idx;
*d = *s;
}
}
- pa_memblock_release(chunk.memblock);
pa_memblock_unref(chunk.memblock);
u->frames_requested = 0;
diff --git a/src/modules/module-jack-source.c b/src/modules/module-jack-source.c
index 5270b241..62a99108 100644
--- a/src/modules/module-jack-source.c
+++ b/src/modules/module-jack-source.c
@@ -134,28 +134,23 @@ static void io_event_cb(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event_
unsigned fs;
jack_nframes_t frame_idx;
pa_memchunk chunk;
- void *p;
fs = pa_frame_size(&u->source->sample_spec);
chunk.memblock = pa_memblock_new(u->core->mempool, chunk.length = u->frames_posted * fs);
chunk.index = 0;
-
- p = pa_memblock_acquire(chunk.memblock);
for (frame_idx = 0; frame_idx < u->frames_posted; frame_idx ++) {
unsigned c;
for (c = 0; c < u->channels; c++) {
float *s = ((float*) u->buffer[c]) + frame_idx;
- float *d = ((float*) ((uint8_t*) p + chunk.index)) + (frame_idx * u->channels) + c;
+ float *d = ((float*) ((uint8_t*) chunk.memblock->data + chunk.index)) + (frame_idx * u->channels) + c;
*d = *s;
}
}
- pa_memblock_release(chunk.memblock);
-
pa_source_post(u->source, &chunk);
pa_memblock_unref(chunk.memblock);
diff --git a/src/modules/module-oss-mmap.c b/src/modules/module-oss-mmap.c
index 39a8511f..5ab08287 100644
--- a/src/modules/module-oss-mmap.c
+++ b/src/modules/module-oss-mmap.c
@@ -170,7 +170,7 @@ static void out_fill_memblocks(struct userdata *u, unsigned n) {
u->out_fragment_size,
1);
assert(chunk.memblock);
- chunk.length = pa_memblock_get_length(chunk.memblock);
+ chunk.length = chunk.memblock->length;
chunk.index = 0;
pa_sink_render_into_full(u->sink, &chunk);
@@ -214,7 +214,7 @@ static void in_post_memblocks(struct userdata *u, unsigned n) {
if (!u->in_memblocks[u->in_current]) {
chunk.memblock = u->in_memblocks[u->in_current] = pa_memblock_new_fixed(u->core->mempool, (uint8_t*) u->in_mmap+u->in_fragment_size*u->in_current, u->in_fragment_size, 1);
- chunk.length = pa_memblock_get_length(chunk.memblock);
+ chunk.length = chunk.memblock->length;
chunk.index = 0;
pa_source_post(u->source, &chunk);
diff --git a/src/modules/module-oss.c b/src/modules/module-oss.c
index 73f0d57e..b71581d9 100644
--- a/src/modules/module-oss.c
+++ b/src/modules/module-oss.c
@@ -155,7 +155,6 @@ static void do_write(struct userdata *u) {
}
do {
- void *p;
memchunk = &u->memchunk;
if (!memchunk->length)
@@ -163,18 +162,16 @@ static void do_write(struct userdata *u) {
memchunk = &u->silence;
assert(memchunk->memblock);
+ assert(memchunk->memblock->data);
assert(memchunk->length);
-
- p = pa_memblock_acquire(memchunk->memblock);
- if ((r = pa_iochannel_write(u->io, (uint8_t*) p + memchunk->index, memchunk->length)) < 0) {
- pa_memblock_release(memchunk->memblock);
+
+ if ((r = pa_iochannel_write(u->io, (uint8_t*) memchunk->memblock->data + memchunk->index, memchunk->length)) < 0) {
pa_log("write() failed: %s", pa_cstrerror(errno));
clear_up(u);
pa_module_unload_request(u->module);
break;
}
- pa_memblock_release(memchunk->memblock);
if (memchunk == &u->silence)
assert(r % u->sample_size == 0);
@@ -220,13 +217,9 @@ static void do_read(struct userdata *u) {
}
do {
- void *p;
memchunk.memblock = pa_memblock_new(u->core->mempool, l);
-
- p = pa_memblock_acquire(memchunk.memblock);
-
- if ((r = pa_iochannel_read(u->io, p, pa_memblock_get_length(memchunk.memblock))) < 0) {
- pa_memblock_release(memchunk.memblock);
+ assert(memchunk.memblock);
+ if ((r = pa_iochannel_read(u->io, memchunk.memblock->data, memchunk.memblock->length)) < 0) {
pa_memblock_unref(memchunk.memblock);
if (errno != EAGAIN) {
pa_log("read() failed: %s", pa_cstrerror(errno));
@@ -235,10 +228,9 @@ static void do_read(struct userdata *u) {
}
break;
}
- pa_memblock_release(memchunk.memblock);
- assert(r <= (ssize_t) pa_memblock_get_length(memchunk.memblock));
- memchunk.length = r;
+ assert(r <= (ssize_t) memchunk.memblock->length);
+ memchunk.length = memchunk.memblock->length = r;
memchunk.index = 0;
pa_source_post(u->source, &memchunk);
diff --git a/src/modules/module-pipe-sink.c b/src/modules/module-pipe-sink.c
index 59d91aa4..4aee849b 100644
--- a/src/modules/module-pipe-sink.c
+++ b/src/modules/module-pipe-sink.c
@@ -84,8 +84,6 @@ static const char* const valid_modargs[] = {
static void do_write(struct userdata *u) {
ssize_t r;
- void *p;
-
assert(u);
u->core->mainloop->defer_enable(u->defer_event, 0);
@@ -99,17 +97,12 @@ static void do_write(struct userdata *u) {
if (pa_sink_render(u->sink, PIPE_BUF, &u->memchunk) < 0)
return;
- assert(u->memchunk.memblock);
- assert(u->memchunk.length);
-
- p = pa_memblock_acquire(u->memchunk.memblock);
+ assert(u->memchunk.memblock && u->memchunk.length);
- if ((r = pa_iochannel_write(u->io, (uint8_t*) p + u->memchunk.index, u->memchunk.length)) < 0) {
- pa_memblock_release(u->memchunk.memblock);
+ if ((r = pa_iochannel_write(u->io, (uint8_t*) u->memchunk.memblock->data + u->memchunk.index, u->memchunk.length)) < 0) {
pa_log("write(): %s", pa_cstrerror(errno));
return;
}
- pa_memblock_release(u->memchunk.memblock);
u->memchunk.index += r;
u->memchunk.length -= r;
diff --git a/src/modules/module-pipe-source.c b/src/modules/module-pipe-source.c
index 99f4f3b9..c251f7ac 100644
--- a/src/modules/module-pipe-source.c
+++ b/src/modules/module-pipe-source.c
@@ -82,9 +82,7 @@ static const char* const valid_modargs[] = {
static void do_read(struct userdata *u) {
ssize_t r;
- void *p;
pa_memchunk chunk;
-
assert(u);
if (!pa_iochannel_is_readable(u->io))
@@ -97,22 +95,17 @@ static void do_read(struct userdata *u) {
u->chunk.index = chunk.length = 0;
}
- assert(u->chunk.memblock);
- assert(pa_memblock_get_length(u->chunk.memblock) > u->chunk.index);
-
- p = pa_memblock_acquire(u->chunk.memblock);
- if ((r = pa_iochannel_read(u->io, (uint8_t*) p + u->chunk.index, pa_memblock_get_length(u->chunk.memblock) - u->chunk.index)) <= 0) {
- pa_memblock_release(u->chunk.memblock);
+ assert(u->chunk.memblock && u->chunk.memblock->length > u->chunk.index);
+ if ((r = pa_iochannel_read(u->io, (uint8_t*) u->chunk.memblock->data + u->chunk.index, u->chunk.memblock->length - u->chunk.index)) <= 0) {
pa_log("read(): %s", pa_cstrerror(errno));
return;
}
- pa_memblock_release(u->chunk.memblock);
u->chunk.length = r;
pa_source_post(u->source, &u->chunk);
u->chunk.index += r;
- if (u->chunk.index >= pa_memblock_get_length(u->chunk.memblock)) {
+ if (u->chunk.index >= u->chunk.memblock->length) {
u->chunk.index = u->chunk.length = 0;
pa_memblock_unref(u->chunk.memblock);
u->chunk.memblock = NULL;
diff --git a/src/modules/module-sine.c b/src/modules/module-sine.c
index f65b1f3a..fa29ba16 100644
--- a/src/modules/module-sine.c
+++ b/src/modules/module-sine.c
@@ -63,7 +63,7 @@ static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) {
chunk->memblock = pa_memblock_ref(u->memblock);
chunk->index = u->peek_index;
- chunk->length = pa_memblock_get_length(u->memblock) - u->peek_index;
+ chunk->length = u->memblock->length - u->peek_index;
return 0;
}
@@ -72,12 +72,11 @@ static void sink_input_drop(pa_sink_input *i, const pa_memchunk *chunk, size_t l
assert(i && chunk && length && i->userdata);
u = i->userdata;
- assert(chunk->memblock == u->memblock);
- assert(length <= pa_memblock_get_length(u->memblock)-u->peek_index);
+ assert(chunk->memblock == u->memblock && length <= u->memblock->length-u->peek_index);
u->peek_index += length;
- if (u->peek_index >= pa_memblock_get_length(u->memblock))
+ if (u->peek_index >= u->memblock->length)
u->peek_index = 0;
}
@@ -110,7 +109,6 @@ int pa__init(pa_core *c, pa_module*m) {
pa_sample_spec ss;
uint32_t frequency;
char t[256];
- void *p;
pa_sink_input_new_data data;
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
@@ -142,10 +140,8 @@ int pa__init(pa_core *c, pa_module*m) {
}
u->memblock = pa_memblock_new(c->mempool, pa_bytes_per_second(&ss));
- p = pa_memblock_acquire(u->memblock);
- calc_sine(p, pa_memblock_get_length(u->memblock), frequency);
- pa_memblock_release(u->memblock);
-
+ calc_sine(u->memblock->data, u->memblock->length, frequency);
+
snprintf(t, sizeof(t), "Sine Generator at %u Hz", frequency);
pa_sink_input_new_data_init(&data);
diff --git a/src/modules/rtp/rtp.c b/src/modules/rtp/rtp.c
index a4362f84..3bb0ea47 100644
--- a/src/modules/rtp/rtp.c
+++ b/src/modules/rtp/rtp.c
@@ -79,7 +79,7 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
size_t k = n + chunk.length > size ? size - n : chunk.length;
if (chunk.memblock) {
- iov[iov_idx].iov_base = (void*)((uint8_t*) pa_memblock_acquire(chunk.memblock) + chunk.index);
+ iov[iov_idx].iov_base = (void*)((uint8_t*) chunk.memblock->data + chunk.index);
iov[iov_idx].iov_len = k;
mb[iov_idx] = chunk.memblock;
iov_idx ++;
@@ -114,10 +114,8 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
k = sendmsg(c->fd, &m, MSG_DONTWAIT);
- for (i = 1; i < iov_idx; i++) {
- pa_memblock_release(mb[i]);
+ for (i = 1; i < iov_idx; i++)
pa_memblock_unref(mb[i]);
- }
c->sequence++;
} else
@@ -174,7 +172,7 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
chunk->memblock = pa_memblock_new(pool, size);
- iov.iov_base = pa_memblock_acquire(chunk->memblock);
+ iov.iov_base = chunk->memblock->data;
iov.iov_len = size;
m.msg_name = NULL;
@@ -195,9 +193,9 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
goto fail;
}
- memcpy(&header, iov.iov_base, sizeof(uint32_t));
- memcpy(&c->timestamp, (uint8_t*) iov.iov_base + 4, sizeof(uint32_t));
- memcpy(&c->ssrc, (uint8_t*) iov.iov_base + 8, sizeof(uint32_t));
+ memcpy(&header, chunk->memblock->data, sizeof(uint32_t));
+ memcpy(&c->timestamp, (uint8_t*) chunk->memblock->data + 4, sizeof(uint32_t));
+ memcpy(&c->ssrc, (uint8_t*) chunk->memblock->data + 8, sizeof(uint32_t));
header = ntohl(header);
c->timestamp = ntohl(c->timestamp);
@@ -238,10 +236,8 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
return 0;
fail:
- if (chunk->memblock) {
- pa_memblock_release(chunk->memblock);
+ if (chunk->memblock)
pa_memblock_unref(chunk->memblock);
- }
return -1;
}
diff --git a/src/pulse/internal.h b/src/pulse/internal.h
index 76d80d83..4eef4b4a 100644
--- a/src/pulse/internal.h
+++ b/src/pulse/internal.h
@@ -113,7 +113,6 @@ struct pa_stream {
uint32_t requested_bytes;
pa_memchunk peek_memchunk;
- void *peek_data;
pa_memblockq *record_memblockq;
int corked;
diff --git a/src/pulse/stream.c b/src/pulse/stream.c
index d31127d8..180cd096 100644
--- a/src/pulse/stream.c
+++ b/src/pulse/stream.c
@@ -88,7 +88,6 @@ pa_stream *pa_stream_new(pa_context *c, const char *name, const pa_sample_spec *
s->peek_memchunk.index = 0;
s->peek_memchunk.length = 0;
s->peek_memchunk.memblock = NULL;
- s->peek_data = NULL;
s->record_memblockq = NULL;
@@ -123,11 +122,8 @@ static void stream_free(pa_stream *s) {
s->mainloop->time_free(s->auto_timing_update_event);
}
- if (s->peek_memchunk.memblock) {
- if (s->peek_data)
- pa_memblock_release(s->peek_memchunk.memblock);
+ if (s->peek_memchunk.memblock)
pa_memblock_unref(s->peek_memchunk.memblock);
- }
if (s->record_memblockq)
pa_memblockq_free(s->record_memblockq);
@@ -609,11 +605,8 @@ int pa_stream_write(
if (free_cb)
chunk.memblock = pa_memblock_new_user(s->context->mempool, (void*) data, length, free_cb, 1);
else {
- void *tdata;
chunk.memblock = pa_memblock_new(s->context->mempool, length);
- tdata = pa_memblock_acquire(chunk.memblock);
- memcpy(tdata, data, length);
- pa_memblock_release(chunk.memblock);
+ memcpy(chunk.memblock->data, data, length);
}
chunk.index = 0;
@@ -679,12 +672,9 @@ int pa_stream_peek(pa_stream *s, const void **data, size_t *length) {
*length = 0;
return 0;
}
-
- s->peek_data = pa_memblock_acquire(s->peek_memchunk.memblock);
}
- assert(s->peek_data);
- *data = (uint8_t*) s->peek_data + s->peek_memchunk.index;
+ *data = (const char*) s->peek_memchunk.memblock->data + s->peek_memchunk.index;
*length = s->peek_memchunk.length;
return 0;
}
@@ -702,9 +692,7 @@ int pa_stream_drop(pa_stream *s) {
/* Fix the simulated local read index */
if (s->timing_info_valid && !s->timing_info.read_index_corrupt)
s->timing_info.read_index += s->peek_memchunk.length;
-
- assert(s->peek_data);
- pa_memblock_release(s->peek_memchunk.memblock);
+
pa_memblock_unref(s->peek_memchunk.memblock);
s->peek_memchunk.length = 0;
s->peek_memchunk.index = 0;
diff --git a/src/pulsecore/cli-command.c b/src/pulsecore/cli-command.c
index d7e4a75c..ae475c3a 100644
--- a/src/pulsecore/cli-command.c
+++ b/src/pulsecore/cli-command.c
@@ -259,20 +259,20 @@ static int pa_cli_command_stat(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_G
stat = pa_mempool_get_stat(c->mempool);
pa_strbuf_printf(buf, "Memory blocks currently allocated: %u, size: %s.\n",
- (unsigned) pa_atomic_load(&stat->n_allocated),
- pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->allocated_size)));
+ (unsigned) AO_load_acquire_read((AO_t*) &stat->n_allocated),
+ pa_bytes_snprint(s, sizeof(s), (size_t) AO_load_acquire_read((AO_t*) &stat->allocated_size)));
pa_strbuf_printf(buf, "Memory blocks allocated during the whole lifetime: %u, size: %s.\n",
- (unsigned) pa_atomic_load(&stat->n_accumulated),
- pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->accumulated_size)));
+ (unsigned) AO_load_acquire_read((AO_t*) &stat->n_accumulated),
+ pa_bytes_snprint(s, sizeof(s), (size_t) AO_load_acquire_read((AO_t*) &stat->accumulated_size)));
pa_strbuf_printf(buf, "Memory blocks imported from other processes: %u, size: %s.\n",
- (unsigned) pa_atomic_load(&stat->n_imported),
- pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->imported_size)));
+ (unsigned) AO_load_acquire_read((AO_t*) &stat->n_imported),
+ pa_bytes_snprint(s, sizeof(s), (size_t) AO_load_acquire_read((AO_t*) &stat->imported_size)));
pa_strbuf_printf(buf, "Memory blocks exported to other processes: %u, size: %s.\n",
- (unsigned) pa_atomic_load(&stat->n_exported),
- pa_bytes_snprint(s, sizeof(s), (size_t) pa_atomic_load(&stat->exported_size)));
+ (unsigned) AO_load_acquire_read((AO_t*) &stat->n_exported),
+ pa_bytes_snprint(s, sizeof(s), (size_t) AO_load_acquire_read((AO_t*) &stat->exported_size)));
pa_strbuf_printf(buf, "Total sample cache size: %s.\n",
pa_bytes_snprint(s, sizeof(s), pa_scache_total_size(c)));
@@ -289,8 +289,8 @@ static int pa_cli_command_stat(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, PA_G
pa_strbuf_printf(buf,
"Memory blocks of type %s: %u allocated/%u accumulated.\n",
type_table[k],
- (unsigned) pa_atomic_load(&stat->n_allocated_by_type[k]),
- (unsigned) pa_atomic_load(&stat->n_accumulated_by_type[k]));
+ (unsigned) AO_load_acquire_read(&stat->n_allocated_by_type[k]),
+ (unsigned) AO_load_acquire_read(&stat->n_accumulated_by_type[k]));
return 0;
}
diff --git a/src/pulsecore/mcalign.c b/src/pulsecore/mcalign.c
index aa2eae46..9ede610d 100644
--- a/src/pulsecore/mcalign.c
+++ b/src/pulsecore/mcalign.c
@@ -89,7 +89,6 @@ void pa_mcalign_push(pa_mcalign *m, const pa_memchunk *c) {
} else {
size_t l;
- void *lo_data, *m_data;
/* We have to copy */
assert(m->leftover.length < m->base);
@@ -101,15 +100,10 @@ void pa_mcalign_push(pa_mcalign *m, const pa_memchunk *c) {
/* Can we use the current block? */
pa_memchunk_make_writable(&m->leftover, m->base);
- lo_data = pa_memblock_acquire(m->leftover.memblock);
- m_data = pa_memblock_acquire(c->memblock);
- memcpy((uint8_t*) lo_data + m->leftover.index + m->leftover.length, (uint8_t*) m_data + c->index, l);
- pa_memblock_release(m->leftover.memblock);
- pa_memblock_release(c->memblock);
+ memcpy((uint8_t*) m->leftover.memblock->data + m->leftover.index + m->leftover.length, (uint8_t*) c->memblock->data + c->index, l);
m->leftover.length += l;
- assert(m->leftover.length <= m->base);
- assert(m->leftover.length <= pa_memblock_get_length(m->leftover.memblock));
+ assert(m->leftover.length <= m->base && m->leftover.length <= m->leftover.memblock->length);
if (c->length > l) {
/* Save the remainder of the memory block */
diff --git a/src/pulsecore/memblock.c b/src/pulsecore/memblock.c
index f11a7174..9cfd79b5 100644
--- a/src/pulsecore/memblock.c
+++ b/src/pulsecore/memblock.c
@@ -30,13 +30,10 @@
#include <unistd.h>
#include <pulse/xmalloc.h>
-#include <pulse/def.h>
#include <pulsecore/shm.h>
#include <pulsecore/log.h>
#include <pulsecore/hashmap.h>
-#include <pulsecore/mutex.h>
-#include <pulsecore/flist.h>
#include "memblock.h"
@@ -48,32 +45,6 @@
#define PA_MEMIMPORT_SLOTS_MAX 128
#define PA_MEMIMPORT_SEGMENTS_MAX 16
-struct pa_memblock {
- PA_REFCNT_DECLARE; /* the reference counter */
- pa_mempool *pool;
-
- pa_memblock_type_t type;
- int read_only; /* boolean */
-
- pa_atomic_ptr_t data;
- size_t length;
-
- pa_atomic_int_t n_acquired;
- pa_atomic_int_t please_signal;
-
- union {
- struct {
- /* If type == PA_MEMBLOCK_USER this points to a function for freeing this memory block */
- pa_free_cb_t free_cb;
- } user;
-
- struct {
- uint32_t id;
- pa_memimport_segment *segment;
- } imported;
- } per_type;
-};
-
struct pa_memimport_segment {
pa_memimport *import;
pa_shm memory;
@@ -81,8 +52,6 @@ struct pa_memimport_segment {
};
struct pa_memimport {
- pa_mutex *mutex;
-
pa_mempool *pool;
pa_hashmap *segments;
pa_hashmap *blocks;
@@ -101,11 +70,9 @@ struct memexport_slot {
};
struct pa_memexport {
- pa_mutex *mutex;
pa_mempool *pool;
struct memexport_slot slots[PA_MEMEXPORT_SLOTS_MAX];
-
PA_LLIST_HEAD(struct memexport_slot, free_slots);
PA_LLIST_HEAD(struct memexport_slot, used_slots);
unsigned n_init;
@@ -125,71 +92,63 @@ struct mempool_slot {
};
struct pa_mempool {
- pa_mutex *mutex;
- pa_cond *cond;
-
pa_shm memory;
size_t block_size;
- unsigned n_blocks;
-
- pa_atomic_int_t n_init;
+ unsigned n_blocks, n_init;
PA_LLIST_HEAD(pa_memimport, imports);
PA_LLIST_HEAD(pa_memexport, exports);
/* A list of free slots that may be reused */
- pa_flist *free_slots;
+ PA_LLIST_HEAD(struct mempool_slot, free_slots);
pa_mempool_stat stat;
};
static void segment_detach(pa_memimport_segment *seg);
-/* No lock necessary */
static void stat_add(pa_memblock*b) {
assert(b);
assert(b->pool);
- pa_atomic_inc(&b->pool->stat.n_allocated);
- pa_atomic_add(&b->pool->stat.allocated_size, (int) b->length);
+ AO_fetch_and_add1_release_write(&b->pool->stat.n_allocated);
+ AO_fetch_and_add_release_write(&b->pool->stat.allocated_size, (AO_t) b->length);
- pa_atomic_inc(&b->pool->stat.n_accumulated);
- pa_atomic_add(&b->pool->stat.accumulated_size, (int) b->length);
+ AO_fetch_and_add1_release_write(&b->pool->stat.n_accumulated);
+ AO_fetch_and_add_release_write(&b->pool->stat.accumulated_size, (AO_t) b->length);
if (b->type == PA_MEMBLOCK_IMPORTED) {
- pa_atomic_inc(&b->pool->stat.n_imported);
- pa_atomic_add(&b->pool->stat.imported_size, (int) b->length);
+ AO_fetch_and_add1_release_write(&b->pool->stat.n_imported);
+ AO_fetch_and_add_release_write(&b->pool->stat.imported_size, (AO_t) b->length);
}
- pa_atomic_inc(&b->pool->stat.n_allocated_by_type[b->type]);
- pa_atomic_inc(&b->pool->stat.n_accumulated_by_type[b->type]);
+ AO_fetch_and_add1_release_write(&b->pool->stat.n_allocated_by_type[b->type]);
+ AO_fetch_and_add1_release_write(&b->pool->stat.n_accumulated_by_type[b->type]);
}
-/* No lock necessary */
static void stat_remove(pa_memblock *b) {
assert(b);
assert(b->pool);
- assert(pa_atomic_load(&b->pool->stat.n_allocated) > 0);
- assert(pa_atomic_load(&b->pool->stat.allocated_size) >= (int) b->length);
+ assert(AO_load_acquire_read(&b->pool->stat.n_allocated) > 0);
+ assert(AO_load_acquire_read(&b->pool->stat.allocated_size) >= (AO_t) b->length);
- pa_atomic_dec(&b->pool->stat.n_allocated);
- pa_atomic_add(&b->pool->stat.allocated_size, - (int) b->length);
+ AO_fetch_and_sub1_release_write(&b->pool->stat.n_allocated);
+ AO_fetch_and_add_release_write(&b->pool->stat.allocated_size, (AO_t) (-b->length));
if (b->type == PA_MEMBLOCK_IMPORTED) {
- assert(pa_atomic_load(&b->pool->stat.n_imported) > 0);
- assert(pa_atomic_load(&b->pool->stat.imported_size) >= (int) b->length);
+ assert(AO_load_acquire_read(&b->pool->stat.n_imported) > 0);
+ assert(AO_load_acquire_read(&b->pool->stat.imported_size) >= (AO_t) b->length);
- pa_atomic_dec(&b->pool->stat.n_imported);
- pa_atomic_add(&b->pool->stat.imported_size, - (int) b->length);
+ AO_fetch_and_sub1_release_write(&b->pool->stat.n_imported);
+ AO_fetch_and_add_release_write(&b->pool->stat.imported_size, (AO_t) (-b->length));
}
- pa_atomic_dec(&b->pool->stat.n_allocated_by_type[b->type]);
+ AO_fetch_and_sub1_release_write(&b->pool->stat.n_allocated_by_type[b->type]);
}
static pa_memblock *memblock_new_appended(pa_mempool *p, size_t length);
-/* No lock necessary */
pa_memblock *pa_memblock_new(pa_mempool *p, size_t length) {
pa_memblock *b;
@@ -202,7 +161,6 @@ pa_memblock *pa_memblock_new(pa_mempool *p, size_t length) {
return b;
}
-/* No lock necessary */
static pa_memblock *memblock_new_appended(pa_mempool *p, size_t length) {
pa_memblock *b;
@@ -210,61 +168,49 @@ static pa_memblock *memblock_new_appended(pa_mempool *p, size_t length) {
assert(length > 0);
b = pa_xmalloc(sizeof(pa_memblock) + length);
- PA_REFCNT_INIT(b);
- b->pool = p;
b->type = PA_MEMBLOCK_APPENDED;
b->read_only = 0;
- pa_atomic_ptr_store(&b->data, (uint8_t*)b + sizeof(pa_memblock));
+ PA_REFCNT_INIT(b);
b->length = length;
- pa_atomic_store(&b->n_acquired, 0);
- pa_atomic_store(&b->please_signal, 0);
-
+ b->data = (uint8_t*) b + sizeof(pa_memblock);
+ b->pool = p;
+
stat_add(b);
return b;
}
-/* No lock necessary */
static struct mempool_slot* mempool_allocate_slot(pa_mempool *p) {
struct mempool_slot *slot;
assert(p);
- if (!(slot = pa_flist_pop(p->free_slots))) {
- int idx;
-
- /* The free list was empty, we have to allocate a new entry */
-
- if ((unsigned) (idx = pa_atomic_inc(&p->n_init)) >= p->n_blocks)
- pa_atomic_dec(&p->n_init);
- else
- slot = (struct mempool_slot*) ((uint8_t*) p->memory.ptr + (p->block_size * idx));
-
- if (!slot) {
- pa_log_debug("Pool full");
- pa_atomic_inc(&p->stat.n_pool_full);
- }
+ if (p->free_slots) {
+ slot = p->free_slots;
+ PA_LLIST_REMOVE(struct mempool_slot, p->free_slots, slot);
+ } else if (p->n_init < p->n_blocks)
+ slot = (struct mempool_slot*) ((uint8_t*) p->memory.ptr + (p->block_size * p->n_init++));
+ else {
+ pa_log_debug("Pool full");
+ AO_fetch_and_add1_release_write(&p->stat.n_pool_full);
+ return NULL;
}
return slot;
}
-/* No lock necessary */
static void* mempool_slot_data(struct mempool_slot *slot) {
assert(slot);
return (uint8_t*) slot + sizeof(struct mempool_slot);
}
-/* No lock necessary */
static unsigned mempool_slot_idx(pa_mempool *p, void *ptr) {
assert(p);
-
assert((uint8_t*) ptr >= (uint8_t*) p->memory.ptr);
assert((uint8_t*) ptr < (uint8_t*) p->memory.ptr + p->memory.size);
return ((uint8_t*) ptr - (uint8_t*) p->memory.ptr) / p->block_size;
}
-/* No lock necessary */
static struct mempool_slot* mempool_slot_by_ptr(pa_mempool *p, void *ptr) {
unsigned idx;
@@ -274,7 +220,6 @@ static struct mempool_slot* mempool_slot_by_ptr(pa_mempool *p, void *ptr) {
return (struct mempool_slot*) ((uint8_t*) p->memory.ptr + (idx * p->block_size));
}
-/* No lock necessary */
pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) {
pa_memblock *b = NULL;
struct mempool_slot *slot;
@@ -289,7 +234,7 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) {
b = mempool_slot_data(slot);
b->type = PA_MEMBLOCK_POOL;
- pa_atomic_ptr_store(&b->data, (uint8_t*) b + sizeof(pa_memblock));
+ b->data = (uint8_t*) b + sizeof(pa_memblock);
} else if (p->block_size - sizeof(struct mempool_slot) >= length) {
@@ -298,26 +243,22 @@ pa_memblock *pa_memblock_new_pool(pa_mempool *p, size_t length) {
b = pa_xnew(pa_memblock, 1);
b->type = PA_MEMBLOCK_POOL_EXTERNAL;
- pa_atomic_ptr_store(&b->data, mempool_slot_data(slot));
-
+ b->data = mempool_slot_data(slot);
} else {
pa_log_debug("Memory block too large for pool: %u > %u", length, p->block_size - sizeof(struct mempool_slot));
- pa_atomic_inc(&p->stat.n_too_large_for_pool);
+ AO_fetch_and_add1_release_write(&p->stat.n_too_large_for_pool);
return NULL;
}
+ b->length = length;
+ b->read_only = 0;
PA_REFCNT_INIT(b);
b->pool = p;
- b->read_only = 0;
- b->length = length;
- pa_atomic_store(&b->n_acquired, 0);
- pa_atomic_store(&b->please_signal, 0);
stat_add(b);
return b;
}
-/* No lock necessary */
pa_memblock *pa_memblock_new_fixed(pa_mempool *p, void *d, size_t length, int read_only) {
pa_memblock *b;
@@ -326,20 +267,17 @@ pa_memblock *pa_memblock_new_fixed(pa_mempool *p, void *d, size_t length, int re
assert(length > 0);
b = pa_xnew(pa_memblock, 1);
- PA_REFCNT_INIT(b);
- b->pool = p;
b->type = PA_MEMBLOCK_FIXED;
b->read_only = read_only;
- pa_atomic_ptr_store(&b->data, d);
+ PA_REFCNT_INIT(b);
b->length = length;
- pa_atomic_store(&b->n_acquired, 0);
- pa_atomic_store(&b->please_signal, 0);
+ b->data = d;
+ b->pool = p;
stat_add(b);
return b;
}
-/* No lock necessary */
pa_memblock *pa_memblock_new_user(pa_mempool *p, void *d, size_t length, void (*free_cb)(void *p), int read_only) {
pa_memblock *b;
@@ -349,72 +287,18 @@ pa_memblock *pa_memblock_new_user(pa_mempool *p, void *d, size_t length, void (*
assert(free_cb);
b = pa_xnew(pa_memblock, 1);
- PA_REFCNT_INIT(b);
- b->pool = p;
b->type = PA_MEMBLOCK_USER;
b->read_only = read_only;
- pa_atomic_ptr_store(&b->data, d);
+ PA_REFCNT_INIT(b);
b->length = length;
- pa_atomic_store(&b->n_acquired, 0);
- pa_atomic_store(&b->please_signal, 0);
-
+ b->data = d;
b->per_type.user.free_cb = free_cb;
+ b->pool = p;
stat_add(b);
return b;
}
-/* No lock necessary */
-int pa_memblock_is_read_only(pa_memblock *b) {
- assert(b);
- assert(PA_REFCNT_VALUE(b) > 0);
-
- return b->read_only && PA_REFCNT_VALUE(b) == 1;
-}
-
-/* No lock necessary */
-void* pa_memblock_acquire(pa_memblock *b) {
- assert(b);
- assert(PA_REFCNT_VALUE(b) > 0);
-
- pa_atomic_inc(&b->n_acquired);
-
- return pa_atomic_ptr_load(&b->data);
-}
-
-/* No lock necessary, in corner cases locks by its own */
-void pa_memblock_release(pa_memblock *b) {
- int r;
- assert(b);
- assert(PA_REFCNT_VALUE(b) > 0);
-
- r = pa_atomic_dec(&b->n_acquired);
- assert(r >= 1);
-
- if (r == 1 && pa_atomic_load(&b->please_signal)) {
- pa_mempool *p = b->pool;
- /* Signal a waiting thread that this memblock is no longer used */
- pa_mutex_lock(p->mutex);
- pa_cond_signal(p->cond, 1);
- pa_mutex_unlock(p->mutex);
- }
-}
-
-size_t pa_memblock_get_length(pa_memblock *b) {
- assert(b);
- assert(PA_REFCNT_VALUE(b) > 0);
-
- return b->length;
-}
-
-pa_mempool* pa_memblock_get_pool(pa_memblock *b) {
- assert(b);
- assert(PA_REFCNT_VALUE(b) > 0);
-
- return b->pool;
-}
-
-/* No lock necessary */
pa_memblock* pa_memblock_ref(pa_memblock*b) {
assert(b);
assert(PA_REFCNT_VALUE(b) > 0);
@@ -423,17 +307,19 @@ pa_memblock* pa_memblock_ref(pa_memblock*b) {
return b;
}
-static void memblock_free(pa_memblock *b) {
+void pa_memblock_unref(pa_memblock*b) {
assert(b);
-
- assert(pa_atomic_load(&b->n_acquired) == 0);
+ assert(PA_REFCNT_VALUE(b) > 0);
+ if (PA_REFCNT_DEC(b) > 0)
+ return;
+
stat_remove(b);
switch (b->type) {
case PA_MEMBLOCK_USER :
assert(b->per_type.user.free_cb);
- b->per_type.user.free_cb(pa_atomic_ptr_load(&b->data));
+ b->per_type.user.free_cb(b->data);
/* Fall through */
@@ -444,23 +330,17 @@ static void memblock_free(pa_memblock *b) {
case PA_MEMBLOCK_IMPORTED : {
pa_memimport_segment *segment;
- pa_memimport *import;
-
- /* FIXME! This should be implemented lock-free */
-
+
segment = b->per_type.imported.segment;
assert(segment);
- import = segment->import;
- assert(import);
+ assert(segment->import);
- pa_mutex_lock(import->mutex);
- pa_hashmap_remove(import->blocks, PA_UINT32_TO_PTR(b->per_type.imported.id));
+ pa_hashmap_remove(segment->import->blocks, PA_UINT32_TO_PTR(b->per_type.imported.id));
+ segment->import->release_cb(segment->import, b->per_type.imported.id, segment->import->userdata);
+
if (-- segment->n_blocks <= 0)
segment_detach(segment);
- pa_mutex_unlock(import->mutex);
-
- import->release_cb(import, b->per_type.imported.id, import->userdata);
-
+
pa_xfree(b);
break;
}
@@ -468,20 +348,13 @@ static void memblock_free(pa_memblock *b) {
case PA_MEMBLOCK_POOL_EXTERNAL:
case PA_MEMBLOCK_POOL: {
struct mempool_slot *slot;
- int call_free;
- slot = mempool_slot_by_ptr(b->pool, pa_atomic_ptr_load(&b->data));
+ slot = mempool_slot_by_ptr(b->pool, b->data);
assert(slot);
-
- call_free = b->type == PA_MEMBLOCK_POOL_EXTERNAL;
-
- /* The free list dimensions should easily allow all slots
- * to fit in, hence try harder if pushing this slot into
- * the free list fails */
- while (pa_flist_push(b->pool->free_slots, slot) < 0)
- ;
- if (call_free)
+ PA_LLIST_PREPEND(struct mempool_slot, b->pool->free_slots, slot);
+
+ if (b->type == PA_MEMBLOCK_POOL_EXTERNAL)
pa_xfree(b);
break;
@@ -493,42 +366,10 @@ static void memblock_free(pa_memblock *b) {
}
}
-/* No lock necessary */
-void pa_memblock_unref(pa_memblock*b) {
- assert(b);
- assert(PA_REFCNT_VALUE(b) > 0);
-
- if (PA_REFCNT_DEC(b) > 0)
- return;
-
- memblock_free(b);
-}
-
-/* Self locked */
-static void memblock_wait(pa_memblock *b) {
- assert(b);
-
- if (pa_atomic_load(&b->n_acquired) > 0) {
- /* We need to wait until all threads gave up access to the
- * memory block before we can go on. Unfortunately this means
- * that we have to lock and wait here. Sniff! */
-
- pa_atomic_inc(&b->please_signal);
-
- pa_mutex_lock(b->pool->mutex);
- while (pa_atomic_load(&b->n_acquired) > 0)
- pa_cond_wait(b->pool->cond, b->pool->mutex);
- pa_mutex_unlock(b->pool->mutex);
-
- pa_atomic_dec(&b->please_signal);
- }
-}
-
-/* No lock necessary. This function is not multiple caller safe! */
static void memblock_make_local(pa_memblock *b) {
assert(b);
- pa_atomic_dec(&b->pool->stat.n_allocated_by_type[b->type]);
+ AO_fetch_and_sub1_release_write(&b->pool->stat.n_allocated_by_type[b->type]);
if (b->length <= b->pool->block_size - sizeof(struct mempool_slot)) {
struct mempool_slot *slot;
@@ -537,61 +378,53 @@ static void memblock_make_local(pa_memblock *b) {
void *new_data;
/* We can move it into a local pool, perfect! */
- new_data = mempool_slot_data(slot);
- memcpy(new_data, pa_atomic_ptr_load(&b->data), b->length);
- pa_atomic_ptr_store(&b->data, new_data);
-
b->type = PA_MEMBLOCK_POOL_EXTERNAL;
b->read_only = 0;
+ new_data = mempool_slot_data(slot);
+ memcpy(new_data, b->data, b->length);
+ b->data = new_data;
goto finish;
}
}
/* Humm, not enough space in the pool, so lets allocate the memory with malloc() */
- b->per_type.user.free_cb = pa_xfree;
- pa_atomic_ptr_store(&b->data, pa_xmemdup(pa_atomic_ptr_load(&b->data), b->length));
-
b->type = PA_MEMBLOCK_USER;
+ b->per_type.user.free_cb = pa_xfree;
b->read_only = 0;
+ b->data = pa_xmemdup(b->data, b->length);
finish:
- pa_atomic_inc(&b->pool->stat.n_allocated_by_type[b->type]);
- pa_atomic_inc(&b->pool->stat.n_accumulated_by_type[b->type]);
-
- memblock_wait(b);
+ AO_fetch_and_add1_release_write(&b->pool->stat.n_allocated_by_type[b->type]);
+ AO_fetch_and_add1_release_write(&b->pool->stat.n_accumulated_by_type[b->type]);
}
-/* No lock necessary. This function is not multiple caller safe*/
void pa_memblock_unref_fixed(pa_memblock *b) {
assert(b);
assert(PA_REFCNT_VALUE(b) > 0);
assert(b->type == PA_MEMBLOCK_FIXED);
- if (PA_REFCNT_DEC(b) > 0)
+ if (PA_REFCNT_VALUE(b) > 1)
memblock_make_local(b);
- else
- memblock_free(b);
+
+ pa_memblock_unref(b);
}
-/* Self-locked. This function is not multiple-caller safe */
static void memblock_replace_import(pa_memblock *b) {
pa_memimport_segment *seg;
assert(b);
assert(b->type == PA_MEMBLOCK_IMPORTED);
- assert(pa_atomic_load(&b->pool->stat.n_imported) > 0);
- assert(pa_atomic_load(&b->pool->stat.imported_size) >= (int) b->length);
- pa_atomic_dec(&b->pool->stat.n_imported);
- pa_atomic_add(&b->pool->stat.imported_size, (int) - b->length);
+ assert(AO_load_acquire_read(&b->pool->stat.n_imported) > 0);
+ assert(AO_load_acquire_read(&b->pool->stat.imported_size) >= (AO_t) b->length);
+ AO_fetch_and_sub1_release_write(&b->pool->stat.n_imported);
+ AO_fetch_and_add_release_write(&b->pool->stat.imported_size, (AO_t) - b->length);
seg = b->per_type.imported.segment;
assert(seg);
assert(seg->import);
- pa_mutex_lock(seg->import->mutex);
-
pa_hashmap_remove(
seg->import->blocks,
PA_UINT32_TO_PTR(b->per_type.imported.id));
@@ -600,8 +433,6 @@ static void memblock_replace_import(pa_memblock *b) {
if (-- seg->n_blocks <= 0)
segment_detach(seg);
-
- pa_mutex_unlock(seg->import->mutex);
}
pa_mempool* pa_mempool_new(int shared) {
@@ -610,15 +441,12 @@ pa_mempool* pa_mempool_new(int shared) {
p = pa_xnew(pa_mempool, 1);
- p->mutex = pa_mutex_new(1);
- p->cond = pa_cond_new();
-
#ifdef HAVE_SYSCONF
ps = (size_t) sysconf(_SC_PAGESIZE);
#elif defined(PAGE_SIZE)
- ps = (size_t) PAGE_SIZE;
+ ps = (size_t) PAGE_SIZE;
#else
- ps = 4096; /* Let's hope it's like x86. */
+ ps = 4096; /* Let's hope it's like x86. */
#endif
p->block_size = (PA_MEMPOOL_SLOT_SIZE/ps)*ps;
@@ -635,13 +463,13 @@ pa_mempool* pa_mempool_new(int shared) {
return NULL;
}
- memset(&p->stat, 0, sizeof(p->stat));
- pa_atomic_store(&p->n_init, 0);
+ p->n_init = 0;
PA_LLIST_HEAD_INIT(pa_memimport, p->imports);
PA_LLIST_HEAD_INIT(pa_memexport, p->exports);
+ PA_LLIST_HEAD_INIT(struct mempool_slot, p->free_slots);
- p->free_slots = pa_flist_new(p->n_blocks*2);
+ memset(&p->stat, 0, sizeof(p->stat));
return p;
}
@@ -649,62 +477,34 @@ pa_mempool* pa_mempool_new(int shared) {
void pa_mempool_free(pa_mempool *p) {
assert(p);
- pa_mutex_lock(p->mutex);
-
while (p->imports)
pa_memimport_free(p->imports);
while (p->exports)
pa_memexport_free(p->exports);
- pa_mutex_unlock(p->mutex);
-
- if (pa_atomic_load(&p->stat.n_allocated) > 0)
+ if (AO_load_acquire_read(&p->stat.n_allocated) > 0)
pa_log_warn("WARNING! Memory pool destroyed but not all memory blocks freed!");
-
- pa_flist_free(p->free_slots, NULL);
pa_shm_free(&p->memory);
-
- pa_mutex_free(p->mutex);
- pa_cond_free(p->cond);
-
pa_xfree(p);
}
-/* No lock necessary */
const pa_mempool_stat* pa_mempool_get_stat(pa_mempool *p) {
assert(p);
return &p->stat;
}
-/* No lock necessary */
void pa_mempool_vacuum(pa_mempool *p) {
struct mempool_slot *slot;
- pa_flist *list;
assert(p);
- list = pa_flist_new(p->n_blocks*2);
-
- while ((slot = pa_flist_pop(p->free_slots)))
- while (pa_flist_push(list, slot) < 0)
- ;
-
- while ((slot = pa_flist_pop(list))) {
- pa_shm_punch(&p->memory,
- (uint8_t*) slot - (uint8_t*) p->memory.ptr + sizeof(struct mempool_slot),
- p->block_size - sizeof(struct mempool_slot));
-
- while (pa_flist_push(p->free_slots, slot))
- ;
- }
-
- pa_flist_free(list, NULL);
+ for (slot = p->free_slots; slot; slot = slot->next)
+ pa_shm_punch(&p->memory, (uint8_t*) slot + sizeof(struct mempool_slot) - (uint8_t*) p->memory.ptr, p->block_size - sizeof(struct mempool_slot));
}
-/* No lock necessary */
int pa_mempool_get_shm_id(pa_mempool *p, uint32_t *id) {
assert(p);
@@ -716,7 +516,6 @@ int pa_mempool_get_shm_id(pa_mempool *p, uint32_t *id) {
return 0;
}
-/* No lock necessary */
int pa_mempool_is_shared(pa_mempool *p) {
assert(p);
@@ -731,23 +530,18 @@ pa_memimport* pa_memimport_new(pa_mempool *p, pa_memimport_release_cb_t cb, void
assert(cb);
i = pa_xnew(pa_memimport, 1);
- i->mutex = pa_mutex_new(0);
i->pool = p;
i->segments = pa_hashmap_new(NULL, NULL);
i->blocks = pa_hashmap_new(NULL, NULL);
i->release_cb = cb;
i->userdata = userdata;
-
- pa_mutex_lock(p->mutex);
+
PA_LLIST_PREPEND(pa_memimport, p->imports, i);
- pa_mutex_unlock(p->mutex);
-
return i;
}
static void memexport_revoke_blocks(pa_memexport *e, pa_memimport *i);
-/* Should be called locked */
static pa_memimport_segment* segment_attach(pa_memimport *i, uint32_t shm_id) {
pa_memimport_segment* seg;
@@ -768,7 +562,6 @@ static pa_memimport_segment* segment_attach(pa_memimport *i, uint32_t shm_id) {
return seg;
}
-/* Should be called locked */
static void segment_detach(pa_memimport_segment *seg) {
assert(seg);
@@ -777,68 +570,51 @@ static void segment_detach(pa_memimport_segment *seg) {
pa_xfree(seg);
}
-/* Self-locked. Not multiple-caller safe */
void pa_memimport_free(pa_memimport *i) {
pa_memexport *e;
pa_memblock *b;
assert(i);
- pa_mutex_lock(i->mutex);
+ /* If we've exported this block further we need to revoke that export */
+ for (e = i->pool->exports; e; e = e->next)
+ memexport_revoke_blocks(e, i);
while ((b = pa_hashmap_get_first(i->blocks)))
memblock_replace_import(b);
assert(pa_hashmap_size(i->segments) == 0);
-
- pa_mutex_unlock(i->mutex);
-
- pa_mutex_lock(i->pool->mutex);
-
- /* If we've exported this block further we need to revoke that export */
- for (e = i->pool->exports; e; e = e->next)
- memexport_revoke_blocks(e, i);
- PA_LLIST_REMOVE(pa_memimport, i->pool->imports, i);
-
- pa_mutex_unlock(i->pool->mutex);
-
pa_hashmap_free(i->blocks, NULL, NULL);
pa_hashmap_free(i->segments, NULL, NULL);
-
- pa_mutex_free(i->mutex);
+ PA_LLIST_REMOVE(pa_memimport, i->pool->imports, i);
pa_xfree(i);
}
-/* Self-locked */
pa_memblock* pa_memimport_get(pa_memimport *i, uint32_t block_id, uint32_t shm_id, size_t offset, size_t size) {
- pa_memblock *b = NULL;
+ pa_memblock *b;
pa_memimport_segment *seg;
assert(i);
- pa_mutex_lock(i->mutex);
-
if (pa_hashmap_size(i->blocks) >= PA_MEMIMPORT_SLOTS_MAX)
- goto finish;
+ return NULL;
if (!(seg = pa_hashmap_get(i->segments, PA_UINT32_TO_PTR(shm_id))))
if (!(seg = segment_attach(i, shm_id)))
- goto finish;
+ return NULL;
if (offset+size > seg->memory.size)
- goto finish;
-
+ return NULL;
+
b = pa_xnew(pa_memblock, 1);
- PA_REFCNT_INIT(b);
- b->pool = i->pool;
b->type = PA_MEMBLOCK_IMPORTED;
b->read_only = 1;
- pa_atomic_ptr_store(&b->data, (uint8_t*) seg->memory.ptr + offset);
+ PA_REFCNT_INIT(b);
b->length = size;
- pa_atomic_store(&b->n_acquired, 0);
- pa_atomic_store(&b->please_signal, 0);
+ b->data = (uint8_t*) seg->memory.ptr + offset;
+ b->pool = i->pool;
b->per_type.imported.id = block_id;
b->per_type.imported.segment = seg;
@@ -846,11 +622,7 @@ pa_memblock* pa_memimport_get(pa_memimport *i, uint32_t block_id, uint32_t shm_i
seg->n_blocks++;
-finish:
- pa_mutex_unlock(i->mutex);
-
- if (b)
- stat_add(b);
+ stat_add(b);
return b;
}
@@ -859,15 +631,10 @@ int pa_memimport_process_revoke(pa_memimport *i, uint32_t id) {
pa_memblock *b;
assert(i);
- pa_mutex_lock(i->mutex);
-
if (!(b = pa_hashmap_get(i->blocks, PA_UINT32_TO_PTR(id))))
return -1;
memblock_replace_import(b);
-
- pa_mutex_unlock(i->mutex);
-
return 0;
}
@@ -882,84 +649,58 @@ pa_memexport* pa_memexport_new(pa_mempool *p, pa_memexport_revoke_cb_t cb, void
return NULL;
e = pa_xnew(pa_memexport, 1);
- e->mutex = pa_mutex_new(1);
e->pool = p;
PA_LLIST_HEAD_INIT(struct memexport_slot, e->free_slots);
PA_LLIST_HEAD_INIT(struct memexport_slot, e->used_slots);
e->n_init = 0;
e->revoke_cb = cb;
e->userdata = userdata;
-
- pa_mutex_lock(p->mutex);
- PA_LLIST_PREPEND(pa_memexport, p->exports, e);
- pa_mutex_unlock(p->mutex);
+ PA_LLIST_PREPEND(pa_memexport, p->exports, e);
return e;
}
void pa_memexport_free(pa_memexport *e) {
assert(e);
- pa_mutex_lock(e->mutex);
while (e->used_slots)
pa_memexport_process_release(e, e->used_slots - e->slots);
- pa_mutex_unlock(e->mutex);
- pa_mutex_lock(e->pool->mutex);
PA_LLIST_REMOVE(pa_memexport, e->pool->exports, e);
- pa_mutex_unlock(e->pool->mutex);
-
pa_xfree(e);
}
-/* Self-locked */
int pa_memexport_process_release(pa_memexport *e, uint32_t id) {
- pa_memblock *b;
-
assert(e);
- pa_mutex_lock(e->mutex);
-
if (id >= e->n_init)
- goto fail;
+ return -1;
if (!e->slots[id].block)
- goto fail;
-
- b = e->slots[id].block;
- e->slots[id].block = NULL;
-
- PA_LLIST_REMOVE(struct memexport_slot, e->used_slots, &e->slots[id]);
- PA_LLIST_PREPEND(struct memexport_slot, e->free_slots, &e->slots[id]);
+ return -1;
- pa_mutex_unlock(e->mutex);
-
/* pa_log("Processing release for %u", id); */
- assert(pa_atomic_load(&e->pool->stat.n_exported) > 0);
- assert(pa_atomic_load(&e->pool->stat.exported_size) >= (int) b->length);
+ assert(AO_load_acquire_read(&e->pool->stat.n_exported) > 0);
+ assert(AO_load_acquire_read(&e->pool->stat.exported_size) >= (AO_t) e->slots[id].block->length);
- pa_atomic_dec(&e->pool->stat.n_exported);
- pa_atomic_add(&e->pool->stat.exported_size, (int) -b->length);
+ AO_fetch_and_sub1_release_write(&e->pool->stat.n_exported);
+ AO_fetch_and_add_release_write(&e->pool->stat.exported_size, (AO_t) -e->slots[id].block->length);
- pa_memblock_unref(b);
+ pa_memblock_unref(e->slots[id].block);
+ e->slots[id].block = NULL;
- return 0;
+ PA_LLIST_REMOVE(struct memexport_slot, e->used_slots, &e->slots[id]);
+ PA_LLIST_PREPEND(struct memexport_slot, e->free_slots, &e->slots[id]);
-fail:
- pa_mutex_unlock(e->mutex);
-
- return -1;
+ return 0;
}
-/* Self-locked */
static void memexport_revoke_blocks(pa_memexport *e, pa_memimport *i) {
struct memexport_slot *slot, *next;
assert(e);
assert(i);
- pa_mutex_lock(e->mutex);
-
for (slot = e->used_slots; slot; slot = next) {
uint32_t idx;
next = slot->next;
@@ -972,11 +713,8 @@ static void memexport_revoke_blocks(pa_memexport *e, pa_memimport *i) {
e->revoke_cb(e, idx, e->userdata);
pa_memexport_process_release(e, idx);
}
-
- pa_mutex_unlock(e->mutex);
}
-/* No lock necessary */
static pa_memblock *memblock_shared_copy(pa_mempool *p, pa_memblock *b) {
pa_memblock *n;
@@ -993,16 +731,13 @@ static pa_memblock *memblock_shared_copy(pa_mempool *p, pa_memblock *b) {
if (!(n = pa_memblock_new_pool(p, b->length)))
return NULL;
- memcpy(pa_atomic_ptr_load(&n->data), pa_atomic_ptr_load(&b->data), b->length);
+ memcpy(n->data, b->data, b->length);
return n;
}
-/* Self-locked */
int pa_memexport_put(pa_memexport *e, pa_memblock *b, uint32_t *block_id, uint32_t *shm_id, size_t *offset, size_t * size) {
pa_shm *memory;
struct memexport_slot *slot;
- void *data;
- size_t length;
assert(e);
assert(b);
@@ -1015,15 +750,12 @@ int pa_memexport_put(pa_memexport *e, pa_memblock *b, uint32_t *block_id, uint32
if (!(b = memblock_shared_copy(e->pool, b)))
return -1;
- pa_mutex_lock(e->mutex);
-
if (e->free_slots) {
slot = e->free_slots;
PA_LLIST_REMOVE(struct memexport_slot, e->free_slots, slot);
- } else if (e->n_init < PA_MEMEXPORT_SLOTS_MAX)
+ } else if (e->n_init < PA_MEMEXPORT_SLOTS_MAX) {
slot = &e->slots[e->n_init++];
- else {
- pa_mutex_unlock(e->mutex);
+ } else {
pa_memblock_unref(b);
return -1;
}
@@ -1032,11 +764,8 @@ int pa_memexport_put(pa_memexport *e, pa_memblock *b, uint32_t *block_id, uint32
slot->block = b;
*block_id = slot - e->slots;
- pa_mutex_unlock(e->mutex);
/* pa_log("Got block id %u", *block_id); */
- data = pa_memblock_acquire(b);
-
if (b->type == PA_MEMBLOCK_IMPORTED) {
assert(b->per_type.imported.segment);
memory = &b->per_type.imported.segment->memory;
@@ -1046,17 +775,15 @@ int pa_memexport_put(pa_memexport *e, pa_memblock *b, uint32_t *block_id, uint32
memory = &b->pool->memory;
}
- assert(data >= memory->ptr);
- assert((uint8_t*) data + length <= (uint8_t*) memory->ptr + memory->size);
+ assert(b->data >= memory->ptr);
+ assert((uint8_t*) b->data + b->length <= (uint8_t*) memory->ptr + memory->size);
*shm_id = memory->id;
- *offset = (uint8_t*) data - (uint8_t*) memory->ptr;
- *size = length;
+ *offset = (uint8_t*) b->data - (uint8_t*) memory->ptr;
+ *size = b->length;
- pa_memblock_release(b);
-
- pa_atomic_inc(&e->pool->stat.n_exported);
- pa_atomic_add(&e->pool->stat.exported_size, (int) length);
+ AO_fetch_and_add1_release_write(&e->pool->stat.n_exported);
+ AO_fetch_and_add_release_write(&e->pool->stat.exported_size, (AO_t) b->length);
return 0;
}
diff --git a/src/pulsecore/memblock.h b/src/pulsecore/memblock.h
index 9937818f..d4f2b7aa 100644
--- a/src/pulsecore/memblock.h
+++ b/src/pulsecore/memblock.h
@@ -25,7 +25,6 @@
#include <sys/types.h>
#include <inttypes.h>
-#include <pulse/def.h>
#include <pulsecore/llist.h>
#include <pulsecore/refcnt.h>
@@ -55,25 +54,45 @@ typedef struct pa_memexport pa_memexport;
typedef void (*pa_memimport_release_cb_t)(pa_memimport *i, uint32_t block_id, void *userdata);
typedef void (*pa_memexport_revoke_cb_t)(pa_memexport *e, uint32_t block_id, void *userdata);
+struct pa_memblock {
+ pa_memblock_type_t type;
+ int read_only; /* boolean */
+ PA_REFCNT_DECLARE; /* the reference counter */
+ size_t length;
+ void *data;
+ pa_mempool *pool;
+
+ union {
+ struct {
+ void (*free_cb)(void *p); /* If type == PA_MEMBLOCK_USER this points to a function for freeing this memory block */
+ } user;
+
+ struct {
+ uint32_t id;
+ pa_memimport_segment *segment;
+ } imported;
+ } per_type;
+};
+
/* Please note that updates to this structure are not locked,
* i.e. n_allocated might be updated at a point in time where
* n_accumulated is not yet. Take these values with a grain of salt,
- * they are here for purely statistical reasons.*/
+ * threy are here for purely statistical reasons.*/
struct pa_mempool_stat {
- pa_atomic_int_t n_allocated;
- pa_atomic_int_t n_accumulated;
- pa_atomic_int_t n_imported;
- pa_atomic_int_t n_exported;
- pa_atomic_int_t allocated_size;
- pa_atomic_int_t accumulated_size;
- pa_atomic_int_t imported_size;
- pa_atomic_int_t exported_size;
-
- pa_atomic_int_t n_too_large_for_pool;
- pa_atomic_int_t n_pool_full;
-
- pa_atomic_int_t n_allocated_by_type[PA_MEMBLOCK_TYPE_MAX];
- pa_atomic_int_t n_accumulated_by_type[PA_MEMBLOCK_TYPE_MAX];
+ AO_t n_allocated;
+ AO_t n_accumulated;
+ AO_t n_imported;
+ AO_t n_exported;
+ AO_t allocated_size;
+ AO_t accumulated_size;
+ AO_t imported_size;
+ AO_t exported_size;
+
+ AO_t n_too_large_for_pool;
+ AO_t n_pool_full;
+
+ AO_t n_allocated_by_type[PA_MEMBLOCK_TYPE_MAX];
+ AO_t n_accumulated_by_type[PA_MEMBLOCK_TYPE_MAX];
};
/* Allocate a new memory block of type PA_MEMBLOCK_MEMPOOL or PA_MEMBLOCK_APPENDED, depending on the size */
@@ -97,17 +116,9 @@ pa_memblock* pa_memblock_ref(pa_memblock*b);
/* This special unref function has to be called by the owner of the
memory of a static memory block when he wants to release all
references to the memory. This causes the memory to be copied and
-converted into a pool or malloc'ed memory block. Please note that this
-function is not multiple caller safe, i.e. needs to be locked
-manually if called from more than one thread at the same time. */
+converted into a PA_MEMBLOCK_DYNAMIC type memory block */
void pa_memblock_unref_fixed(pa_memblock*b);
-int pa_memblock_is_read_only(pa_memblock *b);
-void* pa_memblock_acquire(pa_memblock *b);
-void pa_memblock_release(pa_memblock *b);
-size_t pa_memblock_get_length(pa_memblock *b);
-pa_mempool * pa_memblock_get_pool(pa_memblock *b);
-
/* The memory block manager */
pa_mempool* pa_mempool_new(int shared);
void pa_mempool_free(pa_mempool *p);
diff --git a/src/pulsecore/memblockq.c b/src/pulsecore/memblockq.c
index dab44dc3..e6b73fc5 100644
--- a/src/pulsecore/memblockq.c
+++ b/src/pulsecore/memblockq.c
@@ -176,7 +176,7 @@ int pa_memblockq_push(pa_memblockq* bq, const pa_memchunk *uchunk) {
assert(uchunk);
assert(uchunk->memblock);
assert(uchunk->length > 0);
- assert(uchunk->index + uchunk->length <= pa_memblock_get_length(uchunk->memblock));
+ assert(uchunk->index + uchunk->length <= uchunk->memblock->length);
if (uchunk->length % bq->base)
return -1;
@@ -360,8 +360,8 @@ int pa_memblockq_peek(pa_memblockq* bq, pa_memchunk *chunk) {
if (bq->silence) {
chunk->memblock = pa_memblock_ref(bq->silence);
- if (!length || length > pa_memblock_get_length(chunk->memblock))
- length = pa_memblock_get_length(chunk->memblock);
+ if (!length || length > chunk->memblock->length)
+ length = chunk->memblock->length;
chunk->length = length;
} else {
@@ -413,8 +413,8 @@ void pa_memblockq_drop(pa_memblockq *bq, const pa_memchunk *chunk, size_t length
if (bq->silence) {
- if (!l || l > pa_memblock_get_length(bq->silence))
- l = pa_memblock_get_length(bq->silence);
+ if (!l || l > bq->silence->length)
+ l = bq->silence->length;
}
diff --git a/src/pulsecore/memchunk.c b/src/pulsecore/memchunk.c
index 55c4bfa7..1dbad2b9 100644
--- a/src/pulsecore/memchunk.c
+++ b/src/pulsecore/memchunk.c
@@ -35,25 +35,22 @@
void pa_memchunk_make_writable(pa_memchunk *c, size_t min) {
pa_memblock *n;
size_t l;
- void *tdata, *sdata;
assert(c);
assert(c->memblock);
+ assert(PA_REFCNT_VALUE(c->memblock) > 0);
- if (pa_memblock_is_read_only(c->memblock) &&
- pa_memblock_get_length(c->memblock) >= c->index+min)
+ if (PA_REFCNT_VALUE(c->memblock) == 1 &&
+ !c->memblock->read_only &&
+ c->memblock->length >= c->index+min)
return;
l = c->length;
if (l < min)
l = min;
- n = pa_memblock_new(pa_memblock_get_pool(c->memblock), l);
- tdata = pa_memblock_acquire(n);
- sdata = pa_memblock_acquire(c->memblock);
- memcpy(tdata, (uint8_t*) sdata + c->index, c->length);
- pa_memblock_release(n);
- pa_memblock_release(c->memblock);
+ n = pa_memblock_new(c->memblock->pool, l);
+ memcpy(n->data, (uint8_t*) c->memblock->data + c->index, c->length);
pa_memblock_unref(c->memblock);
c->memblock = n;
c->index = 0;
diff --git a/src/pulsecore/play-memchunk.c b/src/pulsecore/play-memchunk.c
index b711c98c..cde6a9ee 100644
--- a/src/pulsecore/play-memchunk.c
+++ b/src/pulsecore/play-memchunk.c
@@ -55,7 +55,7 @@ static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) {
if (c->length <= 0)
return -1;
- assert(c->memblock);
+ assert(c->memblock && c->memblock->length);
*chunk = *c;
pa_memblock_ref(c->memblock);
diff --git a/src/pulsecore/protocol-esound.c b/src/pulsecore/protocol-esound.c
index 65b93eb4..80aeb27b 100644
--- a/src/pulsecore/protocol-esound.c
+++ b/src/pulsecore/protocol-esound.c
@@ -891,22 +891,14 @@ static int do_read(struct connection *c) {
}
} else if (c->state == ESD_CACHING_SAMPLE) {
ssize_t r;
- void *p;
- assert(c->scache.memchunk.memblock);
- assert(c->scache.name);
- assert(c->scache.memchunk.index < c->scache.memchunk.length);
-
- p = pa_memblock_acquire(c->scache.memchunk.memblock);
+ assert(c->scache.memchunk.memblock && c->scache.name && c->scache.memchunk.index < c->scache.memchunk.length);
- 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);
+ 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) {
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);
@@ -933,7 +925,6 @@ static int do_read(struct connection *c) {
pa_memchunk chunk;
ssize_t r;
size_t l;
- void *p;
assert(c->input_memblockq);
@@ -946,7 +937,7 @@ static int do_read(struct connection *c) {
l = c->playback.fragment_size;
if (c->playback.current_memblock)
- if (pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index < l) {
+ if (c->playback.current_memblock->length - c->playback.memblock_index < l) {
pa_memblock_unref(c->playback.current_memblock);
c->playback.current_memblock = NULL;
c->playback.memblock_index = 0;
@@ -954,21 +945,15 @@ 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);
- assert(pa_memblock_get_length(c->playback.current_memblock) >= l);
+ assert(c->playback.current_memblock && c->playback.current_memblock->length >= l);
c->playback.memblock_index = 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);
+ if ((r = pa_iochannel_read(c->io, (uint8_t*) c->playback.current_memblock->data+c->playback.memblock_index, l)) <= 0) {
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;
chunk.length = r;
@@ -1005,26 +990,19 @@ 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);
- assert(chunk.length);
-
- p = pa_memblock_acquire(chunk.memblock);
+ assert(chunk.memblock && chunk.length);
- if ((r = pa_iochannel_write(c->io, (uint8_t*) p+chunk.index, chunk.length)) < 0) {
- pa_memblock_release(chunk.memblock);
+ if ((r = pa_iochannel_write(c->io, (uint8_t*) chunk.memblock->data+chunk.index, chunk.length)) < 0) {
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);
diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c
index fba611d7..38c024b7 100644
--- a/src/pulsecore/protocol-native.c
+++ b/src/pulsecore/protocol-native.c
@@ -2274,7 +2274,6 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
} else {
struct upload_stream *u = (struct upload_stream*) stream;
size_t l;
-
assert(u->type == UPLOAD_STREAM);
if (!u->memchunk.memblock) {
@@ -2294,18 +2293,9 @@ static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t o
if (l > chunk->length)
l = chunk->length;
-
if (l > 0) {
- void *src, *dst;
- dst = pa_memblock_acquire(u->memchunk.memblock);
- src = pa_memblock_acquire(chunk->memblock);
-
- memcpy((uint8_t*) dst + u->memchunk.index + u->memchunk.length,
- (uint8_t*) src+chunk->index, l);
-
- pa_memblock_release(u->memchunk.memblock);
- pa_memblock_release(chunk->memblock);
-
+ memcpy((uint8_t*) u->memchunk.memblock->data + u->memchunk.index + u->memchunk.length,
+ (uint8_t*) chunk->memblock->data+chunk->index, l);
u->memchunk.length += l;
u->length -= l;
}
diff --git a/src/pulsecore/protocol-simple.c b/src/pulsecore/protocol-simple.c
index bf203e42..6bfba875 100644
--- a/src/pulsecore/protocol-simple.c
+++ b/src/pulsecore/protocol-simple.c
@@ -113,7 +113,6 @@ static int do_read(struct connection *c) {
pa_memchunk chunk;
ssize_t r;
size_t l;
- void *p;
if (!c->sink_input || !(l = pa_memblockq_missing(c->input_memblockq)))
return 0;
@@ -122,7 +121,7 @@ static int do_read(struct connection *c) {
l = c->playback.fragment_size;
if (c->playback.current_memblock)
- if (pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index < l) {
+ if (c->playback.current_memblock->length - c->playback.memblock_index < l) {
pa_memblock_unref(c->playback.current_memblock);
c->playback.current_memblock = NULL;
c->playback.memblock_index = 0;
@@ -130,20 +129,15 @@ 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);
- assert(pa_memblock_get_length(c->playback.current_memblock) >= l);
+ assert(c->playback.current_memblock && c->playback.current_memblock->length >= l);
c->playback.memblock_index = 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);
+ if ((r = pa_iochannel_read(c->io, (uint8_t*) c->playback.current_memblock->data+c->playback.memblock_index, l)) <= 0) {
pa_log_debug("read(): %s", r == 0 ? "EOF" : pa_cstrerror(errno));
return -1;
}
- pa_memblock_release(c->playback.current_memblock);
chunk.memblock = c->playback.current_memblock;
chunk.index = c->playback.memblock_index;
chunk.length = r;
@@ -162,8 +156,7 @@ static int do_read(struct connection *c) {
static int do_write(struct connection *c) {
pa_memchunk chunk;
ssize_t r;
- void *p;
-
+
if (!c->source_output)
return 0;
@@ -172,17 +165,12 @@ static int do_write(struct connection *c) {
return 0;
assert(chunk.memblock && chunk.length);
-
- 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);
+ if ((r = pa_iochannel_write(c->io, (uint8_t*) chunk.memblock->data+chunk.index, chunk.length)) < 0) {
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);
diff --git a/src/pulsecore/pstream.c b/src/pulsecore/pstream.c
index 33963796..566fb060 100644
--- a/src/pulsecore/pstream.c
+++ b/src/pulsecore/pstream.c
@@ -48,7 +48,6 @@
#include <pulsecore/creds.h>
#include <pulsecore/mutex.h>
#include <pulsecore/refcnt.h>
-#include <pulsecore/anotify.h>
#include "pstream.h"
@@ -114,11 +113,10 @@ struct pa_pstream {
PA_REFCNT_DECLARE;
pa_mainloop_api *mainloop;
+ pa_defer_event *defer_event;
pa_iochannel *io;
-
pa_queue *send_queue;
- pa_mutex *mutex; /* only for access to the queue */
- pa_anotify *anotify;
+ pa_mutex *mutex;
int dead;
@@ -128,7 +126,6 @@ struct pa_pstream {
uint32_t shm_info[PA_PSTREAM_SHM_MAX];
void *data;
size_t index;
- pa_memchunk memchunk;
} write;
struct {
@@ -173,6 +170,10 @@ static void do_something(pa_pstream *p) {
pa_pstream_ref(p);
+ pa_mutex_lock(p->mutex);
+
+ p->mainloop->defer_enable(p->defer_event, 0);
+
if (!p->dead && pa_iochannel_is_readable(p->io)) {
if (do_read(p) < 0)
goto fail;
@@ -184,6 +185,8 @@ static void do_something(pa_pstream *p) {
goto fail;
}
+ pa_mutex_unlock(p->mutex);
+
pa_pstream_unref(p);
return;
@@ -194,6 +197,8 @@ fail:
if (p->die_callback)
p->die_callback(p, p->die_callback_userdata);
+ pa_mutex_unlock(p->mutex);
+
pa_pstream_unref(p);
}
@@ -206,10 +211,13 @@ static void io_callback(pa_iochannel*io, void *userdata) {
do_something(p);
}
-static void anotify_callback(uint8_t event, void *userdata) {
+static void defer_callback(pa_mainloop_api *m, pa_defer_event *e, void*userdata) {
pa_pstream *p = userdata;
assert(p);
+ assert(p->defer_event == e);
+ assert(p->mainloop == m);
+
do_something(p);
}
@@ -229,16 +237,16 @@ pa_pstream *pa_pstream_new(pa_mainloop_api *m, pa_iochannel *io, pa_mempool *poo
p->dead = 0;
p->mutex = pa_mutex_new(1);
- p->anotify = pa_anotify_new(m, anotify_callback, p);
p->mainloop = m;
+ p->defer_event = m->defer_new(m, defer_callback, p);
+ m->defer_enable(p->defer_event, 0);
p->send_queue = pa_queue_new();
assert(p->send_queue);
p->write.current = NULL;
p->write.index = 0;
- pa_memchunk_reset(&p->write.memchunk);
p->read.memblock = NULL;
p->read.packet = NULL;
p->read.index = 0;
@@ -301,15 +309,9 @@ static void pstream_free(pa_pstream *p) {
if (p->read.packet)
pa_packet_unref(p->read.packet);
- if (p->write.memchunk.memblock)
- pa_memblock_unref(p->write.memchunk.memblock);
-
if (p->mutex)
pa_mutex_free(p->mutex);
- if (p->anotify)
- pa_anotify_free(p->anotify);
-
pa_xfree(p);
}
@@ -320,6 +322,11 @@ void pa_pstream_send_packet(pa_pstream*p, pa_packet *packet, const pa_creds *cre
assert(PA_REFCNT_VALUE(p) > 0);
assert(packet);
+ pa_mutex_lock(p->mutex);
+
+ if (p->dead)
+ goto finish;
+
i = pa_xnew(struct item_info, 1);
i->type = PA_PSTREAM_ITEM_PACKET;
i->packet = pa_packet_ref(packet);
@@ -329,11 +336,12 @@ void pa_pstream_send_packet(pa_pstream*p, pa_packet *packet, const pa_creds *cre
i->creds = *creds;
#endif
- pa_mutex_lock(p->mutex);
pa_queue_push(p->send_queue, i);
+ p->mainloop->defer_enable(p->defer_event, 1);
+
+finish:
+
pa_mutex_unlock(p->mutex);
-
- pa_anotify_signal(p->anotify, 0);
}
void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa_seek_mode_t seek_mode, const pa_memchunk *chunk) {
@@ -344,6 +352,12 @@ void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa
assert(channel != (uint32_t) -1);
assert(chunk);
+ pa_mutex_lock(p->mutex);
+
+ if (p->dead)
+ goto finish;
+
+ length = chunk->length;
idx = 0;
while (length > 0) {
@@ -365,15 +379,17 @@ void pa_pstream_send_memblock(pa_pstream*p, uint32_t channel, int64_t offset, pa
i->with_creds = 0;
#endif
- pa_mutex_lock(p->mutex);
pa_queue_push(p->send_queue, i);
- pa_mutex_unlock(p->mutex);
idx += n;
length -= n;
}
+
+ p->mainloop->defer_enable(p->defer_event, 1);
- pa_anotify_signal(p->anotify, 0);
+finish:
+
+ pa_mutex_unlock(p->mutex);
}
static void memimport_release_cb(pa_memimport *i, uint32_t block_id, void *userdata) {
@@ -383,6 +399,11 @@ static void memimport_release_cb(pa_memimport *i, uint32_t block_id, void *userd
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
+ pa_mutex_lock(p->mutex);
+
+ if (p->dead)
+ goto finish;
+
/* pa_log("Releasing block %u", block_id); */
item = pa_xnew(struct item_info, 1);
@@ -392,11 +413,12 @@ static void memimport_release_cb(pa_memimport *i, uint32_t block_id, void *userd
item->with_creds = 0;
#endif
- pa_mutex_lock(p->mutex);
pa_queue_push(p->send_queue, item);
- pa_mutex_unlock(p->mutex);
+ p->mainloop->defer_enable(p->defer_event, 1);
- pa_anotify_signal(p->anotify, 0);
+finish:
+
+ pa_mutex_unlock(p->mutex);
}
static void memexport_revoke_cb(pa_memexport *e, uint32_t block_id, void *userdata) {
@@ -406,6 +428,11 @@ static void memexport_revoke_cb(pa_memexport *e, uint32_t block_id, void *userda
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
+ pa_mutex_lock(p->mutex);
+
+ if (p->dead)
+ goto finish;
+
/* pa_log("Revoking block %u", block_id); */
item = pa_xnew(struct item_info, 1);
@@ -415,27 +442,23 @@ static void memexport_revoke_cb(pa_memexport *e, uint32_t block_id, void *userda
item->with_creds = 0;
#endif
- pa_mutex_lock(p->mutex);
pa_queue_push(p->send_queue, item);
- pa_mutex_unlock(p->mutex);
+ p->mainloop->defer_enable(p->defer_event, 1);
- pa_anotify_signal(p->anotify, 0);
+finish:
+
+ pa_mutex_unlock(p->mutex);
}
static void prepare_next_write_item(pa_pstream *p) {
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
- pa_mutex_lock(p->mutex);
- p->write.current = pa_queue_pop(p->send_queue);
- pa_mutex_unlock(p->mutex);
-
- if (!p->write.current)
+ if (!(p->write.current = pa_queue_pop(p->send_queue)))
return;
p->write.index = 0;
p->write.data = NULL;
- pa_memchunk_reset(&p->write.memchunk);
p->write.descriptor[PA_PSTREAM_DESCRIPTOR_LENGTH] = 0;
p->write.descriptor[PA_PSTREAM_DESCRIPTOR_CHANNEL] = htonl((uint32_t) -1);
@@ -502,9 +525,7 @@ static void prepare_next_write_item(pa_pstream *p) {
if (send_payload) {
p->write.descriptor[PA_PSTREAM_DESCRIPTOR_LENGTH] = htonl(p->write.current->chunk.length);
- p->write.memchunk = p->write.current->chunk;
- pa_memblock_ref(p->write.memchunk.memblock);
- p->write.data = NULL;
+ p->write.data = (uint8_t*) p->write.current->chunk.memblock->data + p->write.current->chunk.index;
}
p->write.descriptor[PA_PSTREAM_DESCRIPTOR_FLAGS] = htonl(flags);
@@ -520,7 +541,6 @@ static int do_write(pa_pstream *p) {
void *d;
size_t l;
ssize_t r;
- pa_memblock *release_memblock = NULL;
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
@@ -535,16 +555,9 @@ static int do_write(pa_pstream *p) {
d = (uint8_t*) p->write.descriptor + p->write.index;
l = PA_PSTREAM_DESCRIPTOR_SIZE - p->write.index;
} else {
- assert(p->write.data || p->write.memchunk.memblock);
-
- if (p->write.data)
- d = p->write.data;
- else {
- d = (uint8_t*) pa_memblock_acquire(p->write.memchunk.memblock) + p->write.memchunk.index;
- release_memblock = p->write.memchunk.memblock;
- }
+ assert(p->write.data);
- d = (uint8_t*) d + p->write.index - PA_PSTREAM_DESCRIPTOR_SIZE;
+ d = (uint8_t*) p->write.data + p->write.index - PA_PSTREAM_DESCRIPTOR_SIZE;
l = ntohl(p->write.descriptor[PA_PSTREAM_DESCRIPTOR_LENGTH]) - (p->write.index - PA_PSTREAM_DESCRIPTOR_SIZE);
}
@@ -554,17 +567,14 @@ static int do_write(pa_pstream *p) {
if (p->send_creds_now) {
if ((r = pa_iochannel_write_with_creds(p->io, d, l, &p->write_creds)) < 0)
- goto fail;
+ return -1;
p->send_creds_now = 0;
} else
#endif
if ((r = pa_iochannel_write(p->io, d, l)) < 0)
- goto fail;
-
- if (release_memblock)
- pa_memblock_release(release_memblock);
+ return -1;
p->write.index += r;
@@ -578,20 +588,12 @@ static int do_write(pa_pstream *p) {
}
return 0;
-
-fail:
-
- if (release_memblock)
- pa_memblock_release(release_memblock);
-
- return -1;
}
static int do_read(pa_pstream *p) {
void *d;
size_t l;
ssize_t r;
- pa_memblock *release_memblock = NULL;
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
@@ -600,16 +602,8 @@ static int do_read(pa_pstream *p) {
d = (uint8_t*) p->read.descriptor + p->read.index;
l = PA_PSTREAM_DESCRIPTOR_SIZE - p->read.index;
} else {
- assert(p->read.data || p->read.memblock);
-
- if (p->read.data)
- d = p->read.data;
- else {
- d = pa_memblock_acquire(p->read.memblock);
- release_memblock = p->read.memblock;
- }
-
- d = (uint8_t*) d + p->read.index - PA_PSTREAM_DESCRIPTOR_SIZE;
+ assert(p->read.data);
+ d = (uint8_t*) p->read.data + p->read.index - PA_PSTREAM_DESCRIPTOR_SIZE;
l = ntohl(p->read.descriptor[PA_PSTREAM_DESCRIPTOR_LENGTH]) - (p->read.index - PA_PSTREAM_DESCRIPTOR_SIZE);
}
@@ -618,17 +612,14 @@ static int do_read(pa_pstream *p) {
int b = 0;
if ((r = pa_iochannel_read_with_creds(p->io, d, l, &p->read_creds, &b)) <= 0)
- goto fail;
+ return -1;
p->read_creds_valid = p->read_creds_valid || b;
}
#else
if ((r = pa_iochannel_read(p->io, d, l)) <= 0)
- goto fail;
+ return -1;
#endif
-
- if (release_memblock)
- pa_memblock_release(release_memblock);
p->read.index += r;
@@ -710,7 +701,7 @@ static int do_read(pa_pstream *p) {
/* Frame is a memblock frame */
p->read.memblock = pa_memblock_new(p->mempool, length);
- p->read.data = NULL;
+ p->read.data = p->read.memblock->data;
} else {
pa_log_warn("Recieved memblock frame with invalid flags value.");
@@ -797,7 +788,7 @@ static int do_read(pa_pstream *p) {
chunk.memblock = b;
chunk.index = 0;
- chunk.length = pa_memblock_get_length(b);
+ chunk.length = b->length;
offset = (int64_t) (
(((uint64_t) ntohl(p->read.descriptor[PA_PSTREAM_DESCRIPTOR_OFFSET_HI])) << 32) |
@@ -825,51 +816,52 @@ frame_done:
p->read.memblock = NULL;
p->read.packet = NULL;
p->read.index = 0;
- p->read.data = NULL;
#ifdef HAVE_CREDS
p->read_creds_valid = 0;
#endif
return 0;
-
-fail:
- if (release_memblock)
- pa_memblock_release(release_memblock);
-
- return -1;
}
void pa_pstream_set_die_callback(pa_pstream *p, pa_pstream_notify_cb_t cb, void *userdata) {
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
+ pa_mutex_lock(p->mutex);
p->die_callback = cb;
p->die_callback_userdata = userdata;
+ pa_mutex_unlock(p->mutex);
}
void pa_pstream_set_drain_callback(pa_pstream *p, pa_pstream_notify_cb_t cb, void *userdata) {
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
+ pa_mutex_lock(p->mutex);
p->drain_callback = cb;
p->drain_callback_userdata = userdata;
+ pa_mutex_unlock(p->mutex);
}
void pa_pstream_set_recieve_packet_callback(pa_pstream *p, pa_pstream_packet_cb_t cb, void *userdata) {
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
+ pa_mutex_lock(p->mutex);
p->recieve_packet_callback = cb;
p->recieve_packet_callback_userdata = userdata;
+ pa_mutex_unlock(p->mutex);
}
void pa_pstream_set_recieve_memblock_callback(pa_pstream *p, pa_pstream_memblock_cb_t cb, void *userdata) {
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
+ pa_mutex_lock(p->mutex);
p->recieve_memblock_callback = cb;
p->recieve_memblock_callback_userdata = userdata;
+ pa_mutex_unlock(p->mutex);
}
int pa_pstream_is_pending(pa_pstream *p) {
@@ -909,6 +901,8 @@ pa_pstream* pa_pstream_ref(pa_pstream*p) {
void pa_pstream_close(pa_pstream *p) {
assert(p);
+ pa_mutex_lock(p->mutex);
+
p->dead = 1;
if (p->import) {
@@ -926,16 +920,25 @@ void pa_pstream_close(pa_pstream *p) {
p->io = NULL;
}
+ if (p->defer_event) {
+ p->mainloop->defer_free(p->defer_event);
+ p->defer_event = NULL;
+ }
+
p->die_callback = NULL;
p->drain_callback = NULL;
p->recieve_packet_callback = NULL;
p->recieve_memblock_callback = NULL;
+
+ pa_mutex_unlock(p->mutex);
}
void pa_pstream_use_shm(pa_pstream *p, int enable) {
assert(p);
assert(PA_REFCNT_VALUE(p) > 0);
+ pa_mutex_lock(p->mutex);
+
p->use_shm = enable;
if (enable) {
@@ -950,4 +953,6 @@ void pa_pstream_use_shm(pa_pstream *p, int enable) {
p->export = NULL;
}
}
+
+ pa_mutex_unlock(p->mutex);
}
diff --git a/src/pulsecore/resampler.c b/src/pulsecore/resampler.c
index c28c2fb3..b0142049 100644
--- a/src/pulsecore/resampler.c
+++ b/src/pulsecore/resampler.c
@@ -51,7 +51,8 @@ struct pa_resampler {
};
struct impl_libsamplerate {
- pa_memchunk buf1, buf2, buf3, buf4;
+ pa_memblock *buf1_block, *buf2_block, *buf3_block, *buf4_block;
+ float* buf1, *buf2, *buf3, *buf4;
unsigned buf1_samples, buf2_samples, buf3_samples, buf4_samples;
pa_convert_to_float32ne_func_t to_float32ne_func;
@@ -223,14 +224,14 @@ static void libsamplerate_free(pa_resampler *r) {
if (u->src_state)
src_delete(u->src_state);
- if (u->buf1.memblock)
- pa_memblock_unref(u->buf1.memblock);
- if (u->buf2.memblock)
- pa_memblock_unref(u->buf2.memblock);
- if (u->buf3.memblock)
- pa_memblock_unref(u->buf3.memblock);
- if (u->buf4.memblock)
- pa_memblock_unref(u->buf4.memblock);
+ if (u->buf1_block)
+ pa_memblock_unref(u->buf1_block);
+ if (u->buf2_block)
+ pa_memblock_unref(u->buf2_block);
+ if (u->buf3_block)
+ pa_memblock_unref(u->buf3_block);
+ if (u->buf4_block)
+ pa_memblock_unref(u->buf4_block);
pa_xfree(u);
}
@@ -269,80 +270,64 @@ static void calc_map_table(pa_resampler *r) {
}
}
-static pa_memchunk* convert_to_float(pa_resampler *r, pa_memchunk *input) {
+static float * convert_to_float(pa_resampler *r, void *input, unsigned n_frames) {
struct impl_libsamplerate *u;
unsigned n_samples;
- void *src, *dst;
assert(r);
assert(input);
- assert(input->memblock);
-
assert(r->impl_data);
u = r->impl_data;
/* Convert the incoming sample into floats and place them in buf1 */
- if (!u->to_float32ne_func || !input->length)
+ if (!u->to_float32ne_func)
return input;
- n_samples = (input->length / r->i_fz) * r->i_ss.channels;
+ n_samples = n_frames * r->i_ss.channels;
- if (!u->buf1.memblock || u->buf1_samples < n_samples) {
- if (u->buf1.memblock)
- pa_memblock_unref(u->buf1.memblock);
+ if (u->buf1_samples < n_samples) {
+ if (u->buf1_block)
+ pa_memblock_unref(u->buf1_block);
u->buf1_samples = n_samples;
- u->buf1.memblock = pa_memblock_new(r->mempool, u->buf1.length = sizeof(float) * n_samples);
- u->buf1.index = 0;
+ u->buf1_block = pa_memblock_new(r->mempool, sizeof(float) * n_samples);
+ u->buf1 = u->buf1_block->data;
}
+
+ u->to_float32ne_func(n_samples, input, u->buf1);
- src = (uint8_t*) pa_memblock_acquire(input->memblock) + input->index;
- dst = (uint8_t*) pa_memblock_acquire(u->buf1.memblock);
- u->to_float32ne_func(n_samples, src, dst);
- pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf1.memblock);
-
- u->buf1.length = sizeof(float) * n_samples;
-
- return &u->buf1;
+ return u->buf1;
}
-static pa_memchunk *remap_channels(pa_resampler *r, pa_memchunk *input) {
+static float *remap_channels(pa_resampler *r, float *input, unsigned n_frames) {
struct impl_libsamplerate *u;
- unsigned n_samples, n_frames;
+ unsigned n_samples;
int i_skip, o_skip;
unsigned oc;
- float *src, *dst;
assert(r);
assert(input);
- assert(input->memblock);
-
assert(r->impl_data);
u = r->impl_data;
/* Remap channels and place the result int buf2 */
- if (!u->map_required || !input->length)
+ if (!u->map_required)
return input;
- n_samples = input->length / sizeof(float);
- n_frames = n_samples / r->o_ss.channels;
+ n_samples = n_frames * r->o_ss.channels;
- if (!u->buf2.memblock || u->buf2_samples < n_samples) {
- if (u->buf2.memblock)
- pa_memblock_unref(u->buf2.memblock);
+ if (u->buf2_samples < n_samples) {
+ if (u->buf2_block)
+ pa_memblock_unref(u->buf2_block);
u->buf2_samples = n_samples;
- u->buf2.memblock = pa_memblock_new(r->mempool, u->buf2.length = sizeof(float) * n_samples);
- u->buf2.index = 0;
+ u->buf2_block = pa_memblock_new(r->mempool, sizeof(float) * n_samples);
+ u->buf2 = u->buf2_block->data;
}
- src = (float*) ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
- dst = (float*) pa_memblock_acquire(u->buf2.memblock);
-
- memset(dst, 0, n_samples * sizeof(float));
+ memset(u->buf2, 0, n_samples * sizeof(float));
o_skip = sizeof(float) * r->o_ss.channels;
i_skip = sizeof(float) * r->i_ss.channels;
@@ -353,57 +338,49 @@ static pa_memchunk *remap_channels(pa_resampler *r, pa_memchunk *input) {
for (i = 0; i < PA_CHANNELS_MAX && u->map_table[oc][i] >= 0; i++)
oil_vectoradd_f32(
- dst + oc, o_skip,
- dst + oc, o_skip,
- src + u->map_table[oc][i], i_skip,
+ u->buf2 + oc, o_skip,
+ u->buf2 + oc, o_skip,
+ input + u->map_table[oc][i], i_skip,
n_frames,
&one, &one);
}
- pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf2.memblock);
-
- u->buf2.length = n_frames * sizeof(float) * r->o_ss.channels;
-
- return &u->buf2;
+ return u->buf2;
}
-static pa_memchunk *resample(pa_resampler *r, pa_memchunk *input) {
+static float *resample(pa_resampler *r, float *input, unsigned *n_frames) {
struct impl_libsamplerate *u;
SRC_DATA data;
- unsigned in_n_frames, in_n_samples;
unsigned out_n_frames, out_n_samples;
int ret;
assert(r);
assert(input);
+ assert(n_frames);
assert(r->impl_data);
u = r->impl_data;
/* Resample the data and place the result in buf3 */
- if (!u->src_state || !input->length)
+ if (!u->src_state)
return input;
- in_n_samples = input->length / sizeof(float);
- in_n_frames = in_n_samples * r->o_ss.channels;
-
- out_n_frames = (in_n_frames*r->o_ss.rate/r->i_ss.rate)+1024;
+ out_n_frames = (*n_frames*r->o_ss.rate/r->i_ss.rate)+1024;
out_n_samples = out_n_frames * r->o_ss.channels;
- if (!u->buf3.memblock || u->buf3_samples < out_n_samples) {
- if (u->buf3.memblock)
- pa_memblock_unref(u->buf3.memblock);
+ if (u->buf3_samples < out_n_samples) {
+ if (u->buf3_block)
+ pa_memblock_unref(u->buf3_block);
u->buf3_samples = out_n_samples;
- u->buf3.memblock = pa_memblock_new(r->mempool, u->buf3.length = sizeof(float) * out_n_samples);
- u->buf3.index = 0;
+ u->buf3_block = pa_memblock_new(r->mempool, sizeof(float) * out_n_samples);
+ u->buf3 = u->buf3_block->data;
}
- data.data_in = (float*) ((uint8_t*) pa_memblock_acquire(input->memblock) + input->index);
- data.input_frames = in_n_frames;
+ data.data_in = input;
+ data.input_frames = *n_frames;
- data.data_out = (float*) pa_memblock_acquire(u->buf3.memblock);
+ data.data_out = u->buf3;
data.output_frames = out_n_frames;
data.src_ratio = (double) r->o_ss.rate / r->i_ss.rate;
@@ -411,20 +388,16 @@ static pa_memchunk *resample(pa_resampler *r, pa_memchunk *input) {
ret = src_process(u->src_state, &data);
assert(ret == 0);
- assert((unsigned) data.input_frames_used == in_n_frames);
+ assert((unsigned) data.input_frames_used == *n_frames);
- pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf3.memblock);
-
- u->buf3.length = data.output_frames_gen * sizeof(float) * r->o_ss.channels;
+ *n_frames = data.output_frames_gen;
- return &u->buf3;
+ return u->buf3;
}
-static pa_memchunk *convert_from_float(pa_resampler *r, pa_memchunk *input) {
+static void *convert_from_float(pa_resampler *r, float *input, unsigned n_frames) {
struct impl_libsamplerate *u;
- unsigned n_samples, n_frames;
- void *src, *dst;
+ unsigned n_samples;
assert(r);
assert(input);
@@ -433,35 +406,30 @@ static pa_memchunk *convert_from_float(pa_resampler *r, pa_memchunk *input) {
/* Convert the data into the correct sample type and place the result in buf4 */
- if (!u->from_float32ne_func || !input->length)
+ if (!u->from_float32ne_func)
return input;
-
- n_frames = input->length / sizeof(float) / r->o_ss.channels;
+
n_samples = n_frames * r->o_ss.channels;
if (u->buf4_samples < n_samples) {
- if (u->buf4.memblock)
- pa_memblock_unref(u->buf4.memblock);
+ if (u->buf4_block)
+ pa_memblock_unref(u->buf4_block);
u->buf4_samples = n_samples;
- u->buf4.memblock = pa_memblock_new(r->mempool, u->buf4.length = r->o_fz * n_frames);
- u->buf4.index = 0;
+ u->buf4_block = pa_memblock_new(r->mempool, sizeof(float) * n_samples);
+ u->buf4 = u->buf4_block->data;
}
+
+ u->from_float32ne_func(n_samples, input, u->buf4);
- src = (uint8_t*) pa_memblock_acquire(input->memblock) + input->length;
- dst = pa_memblock_acquire(u->buf4.memblock);
- u->from_float32ne_func(n_samples, src, dst);
- pa_memblock_release(input->memblock);
- pa_memblock_release(u->buf4.memblock);
-
- u->buf4.length = r->o_fz * n_frames;
-
- return &u->buf4;
+ return u->buf4;
}
static void libsamplerate_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out) {
struct impl_libsamplerate *u;
- pa_memchunk *buf;
+ float *buf;
+ void *input, *output;
+ unsigned n_frames;
assert(r);
assert(in);
@@ -473,23 +441,55 @@ static void libsamplerate_run(pa_resampler *r, const pa_memchunk *in, pa_memchun
u = r->impl_data;
- buf = convert_to_float(r, (pa_memchunk*) in);
- buf = remap_channels(r, buf);
- buf = resample(r, buf);
-
- if (buf->length) {
- buf = convert_from_float(r, buf);
- *out = *buf;
-
- if (buf == in)
- pa_memblock_ref(buf->memblock);
- else
- pa_memchunk_reset(buf);
- } else
- pa_memchunk_reset(out);
-
- pa_memblock_release(in->memblock);
-
+ input = ((uint8_t*) in->memblock->data + in->index);
+ n_frames = in->length / r->i_fz;
+ assert(n_frames > 0);
+
+ buf = convert_to_float(r, input, n_frames);
+ buf = remap_channels(r, buf, n_frames);
+ buf = resample(r, buf, &n_frames);
+
+ if (n_frames) {
+ output = convert_from_float(r, buf, n_frames);
+
+ if (output == input) {
+ /* Mm, no adjustment has been necessary, so let's return the original block */
+ out->memblock = pa_memblock_ref(in->memblock);
+ out->index = in->index;
+ out->length = in->length;
+ } else {
+ out->length = n_frames * r->o_fz;
+ out->index = 0;
+ out->memblock = NULL;
+
+ if (output == u->buf1) {
+ u->buf1 = NULL;
+ u->buf1_samples = 0;
+ out->memblock = u->buf1_block;
+ u->buf1_block = NULL;
+ } else if (output == u->buf2) {
+ u->buf2 = NULL;
+ u->buf2_samples = 0;
+ out->memblock = u->buf2_block;
+ u->buf2_block = NULL;
+ } else if (output == u->buf3) {
+ u->buf3 = NULL;
+ u->buf3_samples = 0;
+ out->memblock = u->buf3_block;
+ u->buf3_block = NULL;
+ } else if (output == u->buf4) {
+ u->buf4 = NULL;
+ u->buf4_samples = 0;
+ out->memblock = u->buf4_block;
+ u->buf4_block = NULL;
+ }
+
+ assert(out->memblock);
+ }
+ } else {
+ out->memblock = NULL;
+ out->index = out->length = 0;
+ }
}
static void libsamplerate_update_input_rate(pa_resampler *r, uint32_t rate) {
@@ -516,10 +516,8 @@ static int libsamplerate_init(pa_resampler *r) {
r->impl_data = u = pa_xnew(struct impl_libsamplerate, 1);
- pa_memchunk_reset(&u->buf1);
- pa_memchunk_reset(&u->buf2);
- pa_memchunk_reset(&u->buf3);
- pa_memchunk_reset(&u->buf4);
+ u->buf1 = u->buf2 = u->buf3 = u->buf4 = NULL;
+ u->buf1_block = u->buf2_block = u->buf3_block = u->buf4_block = NULL;
u->buf1_samples = u->buf2_samples = u->buf3_samples = u->buf4_samples = 0;
if (r->i_ss.format == PA_SAMPLE_FLOAT32NE)
@@ -580,16 +578,12 @@ static void trivial_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out
/* Do real resampling */
size_t l;
unsigned o_index;
- void *src, *dst;
/* The length of the new memory block rounded up */
l = ((((n_frames+1) * r->o_ss.rate) / r->i_ss.rate) + 1) * fz;
out->index = 0;
out->memblock = pa_memblock_new(r->mempool, l);
-
- src = (uint8_t*) pa_memblock_acquire(in->memblock) + in->index;
- dst = pa_memblock_acquire(out->memblock);
for (o_index = 0;; o_index++, u->o_counter++) {
unsigned j;
@@ -600,16 +594,13 @@ static void trivial_run(pa_resampler *r, const pa_memchunk *in, pa_memchunk *out
if (j >= n_frames)
break;
- assert(o_index*fz < pa_memblock_get_length(out->memblock));
+ assert(o_index*fz < out->memblock->length);
- memcpy((uint8_t*) dst + fz*o_index,
- (uint8_t*) src + fz*j, fz);
+ memcpy((uint8_t*) out->memblock->data + fz*o_index,
+ (uint8_t*) in->memblock->data + in->index + fz*j, fz);
}
-
- pa_memblock_release(in->memblock);
- pa_memblock_release(out->memblock);
-
+
out->length = o_index*fz;
}
diff --git a/src/pulsecore/sample-util.c b/src/pulsecore/sample-util.c
index 52023d31..d902b4b5 100644
--- a/src/pulsecore/sample-util.c
+++ b/src/pulsecore/sample-util.c
@@ -46,27 +46,15 @@ pa_memblock *pa_silence_memblock_new(pa_mempool *pool, const pa_sample_spec *spe
}
pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec) {
- void *data;
-
- assert(b);
- assert(spec);
-
- data = pa_memblock_acquire(b);
- pa_silence_memory(data, pa_memblock_get_length(b), spec);
- pa_memblock_release(b);
+ assert(b && b->data && spec);
+ pa_silence_memory(b->data, b->length, spec);
return b;
}
void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec) {
- void *data;
-
- assert(c);
- assert(c->memblock);
- assert(spec);
+ assert(c && c->memblock && c->memblock->data && spec && c->length);
- data = pa_memblock_acquire(c->memblock);
- pa_silence_memory((uint8_t*) data+c->index, c->length, spec);
- pa_memblock_release(c->memblock);
+ pa_silence_memory((uint8_t*) c->memblock->data+c->index, c->length, spec);
}
void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
@@ -94,38 +82,26 @@ void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
}
size_t pa_mix(
- pa_mix_info streams[],
- unsigned nstreams,
- void *data,
- size_t length,
- const pa_sample_spec *spec,
- const pa_cvolume *volume,
- int mute) {
-
- pa_cvolume full_volume;
- size_t d = 0;
- unsigned k;
+ const pa_mix_info streams[],
+ unsigned nstreams,
+ void *data,
+ size_t length,
+ const pa_sample_spec *spec,
+ const pa_cvolume *volume,
+ int mute) {
- assert(streams);
- assert(data);
- assert(length);
- assert(spec);
+ assert(streams && data && length && spec);
- if (!volume)
- volume = pa_cvolume_reset(&full_volume, spec->channels);
-
- for (k = 0; k < nstreams; k++)
- streams[k].internal = pa_memblock_acquire(streams[k].chunk.memblock);
-
switch (spec->format) {
case PA_SAMPLE_S16NE:{
+ size_t d;
unsigned channel = 0;
for (d = 0;; d += sizeof(int16_t)) {
int32_t sum = 0;
if (d >= length)
- goto finish;
+ return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@@ -135,12 +111,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
- goto finish;
+ return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
- v = *((int16_t*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d));
+ v = *((int16_t*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d));
if (cvolume != PA_VOLUME_NORM)
v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
@@ -163,18 +139,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
-
- break;
}
case PA_SAMPLE_S16RE:{
+ size_t d;
unsigned channel = 0;
for (d = 0;; d += sizeof(int16_t)) {
int32_t sum = 0;
if (d >= length)
- goto finish;
+ return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@@ -184,12 +159,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
- goto finish;
+ return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
- v = INT16_SWAP(*((int16_t*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d)));
+ v = INT16_SWAP(*((int16_t*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d)));
if (cvolume != PA_VOLUME_NORM)
v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
@@ -212,18 +187,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
-
- break;
}
case PA_SAMPLE_U8: {
+ size_t d;
unsigned channel = 0;
for (d = 0;; d ++) {
int32_t sum = 0;
if (d >= length)
- goto finish;
+ return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@@ -233,12 +207,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
- goto finish;
+ return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
- v = (int32_t) *((uint8_t*) streams[i].internal + streams[i].chunk.index + d) - 0x80;
+ v = (int32_t) *((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d) - 0x80;
if (cvolume != PA_VOLUME_NORM)
v = (int32_t) (v * pa_sw_volume_to_linear(cvolume));
@@ -261,18 +235,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
-
- break;
}
case PA_SAMPLE_FLOAT32NE: {
+ size_t d;
unsigned channel = 0;
for (d = 0;; d += sizeof(float)) {
float sum = 0;
if (d >= length)
- goto finish;
+ return d;
if (!mute && volume->values[channel] != PA_VOLUME_MUTED) {
unsigned i;
@@ -282,12 +255,12 @@ size_t pa_mix(
pa_volume_t cvolume = streams[i].volume.values[channel];
if (d >= streams[i].chunk.length)
- goto finish;
+ return d;
if (cvolume == PA_VOLUME_MUTED)
v = 0;
else {
- v = *((float*) ((uint8_t*) streams[i].internal + streams[i].chunk.index + d));
+ v = *((float*) ((uint8_t*) streams[i].chunk.memblock->data + streams[i].chunk.index + d));
if (cvolume != PA_VOLUME_NORM)
v *= pa_sw_volume_to_linear(cvolume);
@@ -306,34 +279,17 @@ size_t pa_mix(
if (++channel >= spec->channels)
channel = 0;
}
-
- break;
}
default:
pa_log_error("ERROR: Unable to mix audio data of format %s.", pa_sample_format_to_string(spec->format));
abort();
}
-
-finish:
-
- for (k = 0; k < nstreams; k++)
- pa_memblock_release(streams[k].chunk.memblock);
-
- return d;
}
-void pa_volume_memchunk(
- pa_memchunk*c,
- const pa_sample_spec *spec,
- const pa_cvolume *volume) {
-
- void *ptr;
-
- assert(c);
- assert(spec);
- assert(c->length % pa_frame_size(spec) == 0);
+void pa_volume_memchunk(pa_memchunk*c, const pa_sample_spec *spec, const pa_cvolume *volume) {
+ assert(c && spec && (c->length % pa_frame_size(spec) == 0));
assert(volume);
if (pa_cvolume_channels_equal_to(volume, PA_VOLUME_NORM))
@@ -344,8 +300,6 @@ void pa_volume_memchunk(
return;
}
- ptr = pa_memblock_acquire(c->memblock);
-
switch (spec->format) {
case PA_SAMPLE_S16NE: {
int16_t *d;
@@ -356,7 +310,7 @@ void pa_volume_memchunk(
for (channel = 0; channel < spec->channels; channel++)
linear[channel] = pa_sw_volume_to_linear(volume->values[channel]);
- for (channel = 0, d = (int16_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
+ for (channel = 0, d = (int16_t*) ((uint8_t*) c->memblock->data+c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
int32_t t = (int32_t)(*d);
t = (int32_t) (t * linear[channel]);
@@ -381,7 +335,7 @@ void pa_volume_memchunk(
for (channel = 0; channel < spec->channels; channel++)
linear[channel] = pa_sw_volume_to_linear(volume->values[channel]);
- for (channel = 0, d = (int16_t*) ((uint8_t*) ptr + c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
+ for (channel = 0, d = (int16_t*) ((uint8_t*) c->memblock->data+c->index), n = c->length/sizeof(int16_t); n > 0; d++, n--) {
int32_t t = (int32_t)(INT16_SWAP(*d));
t = (int32_t) (t * linear[channel]);
@@ -403,7 +357,7 @@ void pa_volume_memchunk(
size_t n;
unsigned channel = 0;
- for (d = (uint8_t*) ptr + c->index, n = c->length; n > 0; d++, n--) {
+ for (d = (uint8_t*) c->memblock->data + c->index, n = c->length; n > 0; d++, n--) {
int32_t t = (int32_t) *d - 0x80;
t = (int32_t) (t * pa_sw_volume_to_linear(volume->values[channel]));
@@ -425,7 +379,7 @@ void pa_volume_memchunk(
unsigned n;
unsigned channel;
- d = (float*) ((uint8_t*) ptr + c->index);
+ d = (float*) ((uint8_t*) c->memblock->data + c->index);
skip = spec->channels * sizeof(float);
n = c->length/sizeof(float)/spec->channels;
@@ -448,7 +402,5 @@ void pa_volume_memchunk(
pa_sample_format_to_string(spec->format));
abort();
}
-
- pa_memblock_release(c->memblock);
}
diff --git a/src/pulsecore/sample-util.h b/src/pulsecore/sample-util.h
index 04c2f6b1..6b770792 100644
--- a/src/pulsecore/sample-util.h
+++ b/src/pulsecore/sample-util.h
@@ -36,11 +36,10 @@ typedef struct pa_mix_info {
pa_memchunk chunk;
pa_cvolume volume;
void *userdata;
- void *internal; /* Used internally by pa_mix(), should not be initialised when calling pa_mix() */
} pa_mix_info;
size_t pa_mix(
- pa_mix_info channels[],
+ const pa_mix_info channels[],
unsigned nchannels,
void *data,
size_t length,
diff --git a/src/pulsecore/sink-input.c b/src/pulsecore/sink-input.c
index c3cd4952..d948f0a4 100644
--- a/src/pulsecore/sink-input.c
+++ b/src/pulsecore/sink-input.c
@@ -294,7 +294,6 @@ int pa_sink_input_peek(pa_sink_input *i, pa_memchunk *chunk, pa_cvolume *volume)
assert(i->state == PA_SINK_INPUT_RUNNING || i->state == PA_SINK_INPUT_DRAINED);
if (i->move_silence > 0) {
- size_t l;
/* We have just been moved and shall play some silence for a
* while until the old sink has drained its playback buffer */
@@ -304,8 +303,7 @@ int pa_sink_input_peek(pa_sink_input *i, pa_memchunk *chunk, pa_cvolume *volume)
chunk->memblock = pa_memblock_ref(i->silence_memblock);
chunk->index = 0;
- l = pa_memblock_get_length(chunk->memblock);
- chunk->length = i->move_silence < l ? i->move_silence : l;
+ chunk->length = i->move_silence < chunk->memblock->length ? i->move_silence : chunk->memblock->length;
ret = 0;
do_volume_adj_here = 1;
@@ -391,13 +389,10 @@ void pa_sink_input_drop(pa_sink_input *i, const pa_memchunk *chunk, size_t lengt
if (i->move_silence > 0) {
if (chunk) {
- size_t l;
- l = pa_memblock_get_length(i->silence_memblock);
-
if (chunk->memblock != i->silence_memblock ||
chunk->index != 0 ||
- (chunk->memblock && (chunk->length != (l < i->move_silence ? l : i->move_silence))))
+ (chunk->memblock && (chunk->length != (i->silence_memblock->length < i->move_silence ? i->silence_memblock->length : i->move_silence))))
return;
}
diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index 04795e39..05695254 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -237,6 +237,7 @@ static unsigned fill_mix_info(pa_sink *s, pa_mix_info *info, unsigned maxinfo) {
info->userdata = i;
assert(info->chunk.memblock);
+ assert(info->chunk.memblock->data);
assert(info->chunk.length);
info++;
@@ -304,16 +305,13 @@ int pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result) {
pa_volume_memchunk(result, &s->sample_spec, &volume);
}
} else {
- void *ptr;
result->memblock = pa_memblock_new(s->core->mempool, length);
assert(result->memblock);
/* pa_log("mixing %i", n); */
- ptr = pa_memblock_acquire(result->memblock);
- result->length = pa_mix(info, n, ptr, length, &s->sample_spec, &s->sw_volume, s->sw_muted);
- pa_memblock_release(result->memblock);
-
+ result->length = pa_mix(info, n, result->memblock->data, length,
+ &s->sample_spec, &s->sw_volume, s->sw_muted);
result->index = 0;
}
@@ -334,13 +332,13 @@ int pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
pa_mix_info info[MAX_MIX_CHANNELS];
unsigned n;
int r = -1;
- void *ptr;
assert(s);
assert(s->ref >= 1);
assert(target);
assert(target->memblock);
assert(target->length);
+ assert(target->memblock->data);
pa_sink_ref(s);
@@ -349,23 +347,16 @@ int pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
if (n <= 0)
goto finish;
- ptr = pa_memblock_acquire(target->memblock);
-
if (n == 1) {
- void *src;
pa_cvolume volume;
if (target->length > info[0].chunk.length)
target->length = info[0].chunk.length;
-
- src = pa_memblock_acquire(info[0].chunk.memblock);
- memcpy((uint8_t*) ptr + target->index,
- (uint8_t*) src + info[0].chunk.index,
+ memcpy((uint8_t*) target->memblock->data + target->index,
+ (uint8_t*) info[0].chunk.memblock->data + info[0].chunk.index,
target->length);
- pa_memblock_release(info[0].chunk.memblock);
-
pa_sw_cvolume_multiply(&volume, &s->sw_volume, &info[0].volume);
if (s->sw_muted)
@@ -374,13 +365,11 @@ int pa_sink_render_into(pa_sink*s, pa_memchunk *target) {
pa_volume_memchunk(target, &s->sample_spec, &volume);
} else
target->length = pa_mix(info, n,
- (uint8_t*) ptr + target->index,
+ (uint8_t*) target->memblock->data + target->index,
target->length,
&s->sample_spec,
&s->sw_volume,
s->sw_muted);
-
- pa_memblock_release(target->memblock);
inputs_drop(s, info, n, target->length);
@@ -404,6 +393,7 @@ void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target) {
assert(target);
assert(target->memblock);
assert(target->length);
+ assert(target->memblock->data);
pa_sink_ref(s);
diff --git a/src/pulsecore/sound-file-stream.c b/src/pulsecore/sound-file-stream.c
index d2ffeeed..e6f24a79 100644
--- a/src/pulsecore/sound-file-stream.c
+++ b/src/pulsecore/sound-file-stream.c
@@ -74,26 +74,21 @@ static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) {
if (!u->memchunk.memblock) {
uint32_t fs = pa_frame_size(&i->sample_spec);
sf_count_t n;
- void *p;
u->memchunk.memblock = pa_memblock_new(i->sink->core->mempool, BUF_SIZE);
u->memchunk.index = 0;
- p = pa_memblock_acquire(u->memchunk.memblock);
-
if (u->readf_function) {
- if ((n = u->readf_function(u->sndfile, p, BUF_SIZE/fs)) <= 0)
+ if ((n = u->readf_function(u->sndfile, u->memchunk.memblock->data, BUF_SIZE/fs)) <= 0)
n = 0;
u->memchunk.length = n * fs;
} else {
- if ((n = sf_read_raw(u->sndfile, p, BUF_SIZE)) <= 0)
+ if ((n = sf_read_raw(u->sndfile, u->memchunk.memblock->data, BUF_SIZE)) <= 0)
n = 0;
u->memchunk.length = n;
}
-
- pa_memblock_release(u->memchunk.memblock);
if (!u->memchunk.length) {
free_userdata(u);
diff --git a/src/pulsecore/sound-file.c b/src/pulsecore/sound-file.c
index c74a1586..1bf650e2 100644
--- a/src/pulsecore/sound-file.c
+++ b/src/pulsecore/sound-file.c
@@ -40,11 +40,7 @@ int pa_sound_file_load(pa_mempool *pool, const char *fname, pa_sample_spec *ss,
int ret = -1;
size_t l;
sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames) = NULL;
- void *ptr = NULL;
-
- assert(fname);
- assert(ss);
- assert(chunk);
+ assert(fname && ss && chunk);
chunk->memblock = NULL;
chunk->index = chunk->length = 0;
@@ -101,10 +97,8 @@ int pa_sound_file_load(pa_mempool *pool, const char *fname, pa_sample_spec *ss,
chunk->index = 0;
chunk->length = l;
- ptr = pa_memblock_acquire(chunk->memblock);
-
- if ((readf_function && readf_function(sf, ptr, sfinfo.frames) != sfinfo.frames) ||
- (!readf_function && sf_read_raw(sf, ptr, l) != l)) {
+ if ((readf_function && readf_function(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) ||
+ (!readf_function && sf_read_raw(sf, chunk->memblock->data, l) != l)) {
pa_log("Premature file end");
goto finish;
}
@@ -116,9 +110,6 @@ finish:
if (sf)
sf_close(sf);
- if (ptr)
- pa_memblock_release(chunk->memblock);
-
if (ret != 0 && chunk->memblock)
pa_memblock_unref(chunk->memblock);
diff --git a/src/tests/flist-test.c b/src/tests/flist-test.c
index 06d68311..abc0659d 100644
--- a/src/tests/flist-test.c
+++ b/src/tests/flist-test.c
@@ -54,7 +54,7 @@ static void thread_func(void *data) {
int b = 1;
while (!quit) {
- char *text;
+ char *text, *t;
/* Allocate some memory, if possible take it from the flist */
if (b && (text = pa_flist_pop(flist)))
diff --git a/src/tests/mcalign-test.c b/src/tests/mcalign-test.c
index 1584256c..35691698 100644
--- a/src/tests/mcalign-test.c
+++ b/src/tests/mcalign-test.c
@@ -59,27 +59,24 @@ int main(PA_GCC_UNUSED int argc, PA_GCC_UNUSED char *argv[]) {
c.index = c.length = 0;
}
- assert(c.index < pa_memblock_get_length(c.memblock));
+ assert(c.index < c.memblock->length);
- l = pa_memblock_get_length(c.memblock) - c.index;
+ l = c.memblock->length - c.index;
l = l <= 1 ? l : rand() % (l-1) +1 ;
-
- p = pa_memblock_acquire(c.memblock);
- if ((r = read(STDIN_FILENO, (uint8_t*) p + c.index, l)) <= 0) {
- pa_memblock_release(c.memblock);
+
+ if ((r = read(STDIN_FILENO, (uint8_t*) c.memblock->data + c.index, l)) <= 0) {
fprintf(stderr, "read() failed: %s\n", r < 0 ? strerror(errno) : "EOF");
break;
}
- pa_memblock_release(c.memblock);
-
+
c.length = r;
pa_mcalign_push(a, &c);
fprintf(stderr, "Read %ld bytes\n", (long)r);
c.index += r;
- if (c.index >= pa_memblock_get_length(c.memblock)) {
+ if (c.index >= c.memblock->length) {
pa_memblock_unref(c.memblock);
pa_memchunk_reset(&c);
}
@@ -90,9 +87,7 @@ int main(PA_GCC_UNUSED int argc, PA_GCC_UNUSED char *argv[]) {
if (pa_mcalign_pop(a, &t) < 0)
break;
- p = pa_memblock_acquire(t.memblock);
- pa_loop_write(STDOUT_FILENO, (uint8_t*) p + t.index, t.length, NULL);
- pa_memblock_release(t.memblock);
+ pa_loop_write(STDOUT_FILENO, (uint8_t*) t.memblock->data + t.index, t.length, NULL);
fprintf(stderr, "Wrote %lu bytes.\n", (unsigned long) t.length);
pa_memblock_unref(t.memblock);
diff --git a/src/tests/memblock-test.c b/src/tests/memblock-test.c
index c2dd2efa..ef2e0ad7 100644
--- a/src/tests/memblock-test.c
+++ b/src/tests/memblock-test.c
@@ -76,7 +76,6 @@ int main(int argc, char *argv[]) {
pa_memblock* blocks[5];
uint32_t id, shm_id;
size_t offset, size;
- char *x;
const char txt[] = "This is a test!";
@@ -91,17 +90,10 @@ int main(int argc, char *argv[]) {
assert(pool_a && pool_b && pool_c);
blocks[0] = pa_memblock_new_fixed(pool_a, (void*) txt, sizeof(txt), 1);
-
blocks[1] = pa_memblock_new(pool_a, sizeof(txt));
- x = pa_memblock_acquire(blocks[1]);
- snprintf(x, pa_memblock_get_length(blocks[1]), "%s", txt);
- pa_memblock_release(blocks[1]);
-
+ snprintf(blocks[1]->data, blocks[1]->length, "%s", txt);
blocks[2] = pa_memblock_new_pool(pool_a, sizeof(txt));
- x = pa_memblock_acquire(blocks[2]);
- snprintf(x, pa_memblock_get_length(blocks[2]), "%s", txt);
- pa_memblock_release(blocks[1]);
-
+ snprintf(blocks[2]->data, blocks[2]->length, "%s", txt);
blocks[3] = pa_memblock_new_malloced(pool_a, pa_xstrdup(txt), sizeof(txt));
blocks[4] = NULL;
@@ -138,18 +130,14 @@ int main(int argc, char *argv[]) {
mb_c = pa_memimport_get(import_c, id, shm_id, offset, size);
assert(mb_c);
- x = pa_memblock_acquire(mb_c);
- printf("1 data=%s\n", x);
- pa_memblock_release(mb_c);
+ printf("1 data=%s\n", (char*) mb_c->data);
print_stats(pool_a, "A");
print_stats(pool_b, "B");
print_stats(pool_c, "C");
pa_memexport_free(export_b);
- x = pa_memblock_acquire(mb_c);
- printf("2 data=%s\n", x);
- pa_memblock_release(mb_c);
+ printf("2 data=%s\n", (char*) mb_c->data);
pa_memblock_unref(mb_c);
pa_memimport_free(import_b);
diff --git a/src/tests/memblockq-test.c b/src/tests/memblockq-test.c
index 02848eb2..1ac4577b 100644
--- a/src/tests/memblockq-test.c
+++ b/src/tests/memblockq-test.c
@@ -131,10 +131,8 @@ int main(int argc, char *argv[]) {
if (pa_memblockq_peek(bq, &out) < 0)
break;
- p = pa_memblock_acquire(out.memblock);
- for (e = (char*) p + out.index, n = 0; n < out.length; n++)
+ for (e = (char*) out.memblock->data + out.index, n = 0; n < out.length; n++)
printf("%c", *e);
- pa_memblock_release(out.memblock);
pa_memblock_unref(out.memblock);
pa_memblockq_drop(bq, &out, out.length);