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-rw-r--r--src/pulsecore/protocol-esound.c132
1 files changed, 88 insertions, 44 deletions
diff --git a/src/pulsecore/protocol-esound.c b/src/pulsecore/protocol-esound.c
index 388808a5..492dc9fa 100644
--- a/src/pulsecore/protocol-esound.c
+++ b/src/pulsecore/protocol-esound.c
@@ -70,10 +70,12 @@
#define PLAYBACK_BUFFER_SECONDS (.25)
#define PLAYBACK_BUFFER_FRAGMENTS (10)
#define RECORD_BUFFER_SECONDS (5)
-#define RECORD_BUFFER_FRAGMENTS (100)
#define MAX_CACHE_SAMPLE_SIZE (2048000)
+#define DEFAULT_SINK_LATENCY (150*PA_USEC_PER_MSEC)
+#define DEFAULT_SOURCE_LATENCY (150*PA_USEC_PER_MSEC)
+
#define SCACHE_PREFIX "esound."
/* This is heavily based on esound's code */
@@ -102,8 +104,9 @@ typedef struct connection {
struct {
pa_memblock *current_memblock;
- size_t memblock_index, fragment_size;
+ size_t memblock_index;
pa_atomic_t missing;
+ pa_bool_t underrun;
} playback;
struct {
@@ -122,7 +125,7 @@ static PA_DEFINE_CHECK_TYPE(connection, pa_msgobject);
struct pa_protocol_esound {
pa_module *module;
pa_core *core;
- int public;
+ pa_bool_t public;
pa_socket_server *server;
pa_idxset *connections;
@@ -150,6 +153,8 @@ typedef struct proto_handler {
} esd_proto_handler_info_t;
static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk);
+static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes);
+static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes);
static void sink_input_kill_cb(pa_sink_input *i);
static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk);
static pa_usec_t source_output_get_latency_cb(pa_source_output *o);
@@ -397,8 +402,7 @@ static int esd_proto_stream_play(connection *c, PA_GCC_UNUSED esd_proto_t reques
CHECK_VALIDITY(sink, "No such sink: %s", c->protocol->sink_name);
}
- strncpy(name, data, sizeof(name));
- name[sizeof(name)-1] = 0;
+ pa_strlcpy(name, data, sizeof(name));
utf8_name = pa_utf8_filter(name);
pa_client_set_name(c->client, utf8_name);
@@ -425,20 +429,23 @@ static int esd_proto_stream_play(connection *c, PA_GCC_UNUSED esd_proto_t reques
c->input_memblockq = pa_memblockq_new(
0,
l,
- 0,
+ l,
pa_frame_size(&ss),
(size_t) -1,
l/PLAYBACK_BUFFER_FRAGMENTS,
0,
NULL);
- pa_iochannel_socket_set_rcvbuf(c->io, l/PLAYBACK_BUFFER_FRAGMENTS*2);
- c->playback.fragment_size = l/PLAYBACK_BUFFER_FRAGMENTS;
+ pa_iochannel_socket_set_rcvbuf(c->io, l);
c->sink_input->parent.process_msg = sink_input_process_msg;
c->sink_input->pop = sink_input_pop_cb;
+ c->sink_input->process_rewind = sink_input_process_rewind_cb;
+ c->sink_input->update_max_rewind = sink_input_update_max_rewind_cb;
c->sink_input->kill = sink_input_kill_cb;
c->sink_input->userdata = c;
+ pa_sink_input_set_requested_latency(c->sink_input, DEFAULT_SINK_LATENCY);
+
c->state = ESD_STREAMING_DATA;
c->protocol->n_player++;
@@ -498,8 +505,7 @@ static int esd_proto_stream_record(connection *c, esd_proto_t request, const voi
}
}
- strncpy(name, data, sizeof(name));
- name[sizeof(name)-1] = 0;
+ pa_strlcpy(name, data, sizeof(name));
utf8_name = pa_utf8_filter(name);
pa_client_set_name(c->client, utf8_name);
@@ -520,25 +526,27 @@ static int esd_proto_stream_record(connection *c, esd_proto_t request, const voi
c->source_output = pa_source_output_new(c->protocol->core, &sdata, 0);
pa_source_output_new_data_done(&sdata);
- CHECK_VALIDITY(c->source_output, "Failed to create source_output.");
+ CHECK_VALIDITY(c->source_output, "Failed to create source output.");
l = (size_t) (pa_bytes_per_second(&ss)*RECORD_BUFFER_SECONDS);
c->output_memblockq = pa_memblockq_new(
0,
l,
- 0,
+ l,
pa_frame_size(&ss),
1,
0,
0,
NULL);
- pa_iochannel_socket_set_sndbuf(c->io, l/RECORD_BUFFER_FRAGMENTS*2);
+ pa_iochannel_socket_set_sndbuf(c->io, l);
c->source_output->push = source_output_push_cb;
c->source_output->kill = source_output_kill_cb;
c->source_output->get_latency = source_output_get_latency_cb;
c->source_output->userdata = c;
+ pa_source_output_set_requested_latency(c->source_output, DEFAULT_SOURCE_LATENCY);
+
c->state = ESD_STREAMING_DATA;
c->protocol->n_player++;
@@ -789,8 +797,7 @@ static int esd_proto_sample_cache(connection *c, PA_GCC_UNUSED esd_proto_t reque
CHECK_VALIDITY(sc_length <= MAX_CACHE_SAMPLE_SIZE, "Sample too large (%d bytes).", (int)sc_length);
strcpy(name, SCACHE_PREFIX);
- strncpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
- name[sizeof(name)-1] = 0;
+ pa_strlcpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
CHECK_VALIDITY(pa_utf8_valid(name), "Invalid UTF8 in sample name.");
@@ -822,8 +829,7 @@ static int esd_proto_sample_get_id(connection *c, PA_GCC_UNUSED esd_proto_t requ
pa_assert(length == ESD_NAME_MAX);
strcpy(name, SCACHE_PREFIX);
- strncpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
- name[sizeof(name)-1] = 0;
+ pa_strlcpy(name+sizeof(SCACHE_PREFIX)-1, data, ESD_NAME_MAX);
CHECK_VALIDITY(pa_utf8_valid(name), "Invalid UTF8 in sample name.");
@@ -1016,6 +1022,7 @@ static int do_read(connection *c) {
ssize_t r;
size_t l;
void *p;
+ size_t space;
pa_assert(c->input_memblockq);
@@ -1024,21 +1031,26 @@ static int do_read(connection *c) {
if (!(l = pa_atomic_load(&c->playback.missing)))
return 0;
- if (l > c->playback.fragment_size)
- l = c->playback.fragment_size;
+ if (c->playback.current_memblock) {
+
+ space = pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index;
- if (c->playback.current_memblock)
- if (pa_memblock_get_length(c->playback.current_memblock) - c->playback.memblock_index < l) {
+ if (space <= 0) {
pa_memblock_unref(c->playback.current_memblock);
c->playback.current_memblock = NULL;
- c->playback.memblock_index = 0;
}
+ }
if (!c->playback.current_memblock) {
- pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, c->playback.fragment_size*2));
+ pa_assert_se(c->playback.current_memblock = pa_memblock_new(c->protocol->core->mempool, 0));
c->playback.memblock_index = 0;
+
+ space = pa_memblock_get_length(c->playback.current_memblock);
}
+ if (l > space)
+ l = space;
+
p = pa_memblock_acquire(c->playback.current_memblock);
r = pa_iochannel_read(c->io, (uint8_t*) p+c->playback.memblock_index, l);
pa_memblock_release(c->playback.current_memblock);
@@ -1126,12 +1138,11 @@ static void do_work(connection *c) {
if (c->dead)
return;
- if (pa_iochannel_is_readable(c->io)) {
+ if (pa_iochannel_is_readable(c->io))
if (do_read(c) < 0)
goto fail;
- }
- if (c->state == ESD_STREAMING_DATA && c->source_output && pa_iochannel_is_hungup(c->io))
+ if (c->state == ESD_STREAMING_DATA && !c->sink_input && pa_iochannel_is_hungup(c->io))
/* In case we are in capture mode we will never call read()
* on the socket, hence we need to detect the hangup manually
* here, instead of simply waiting for read() to return 0. */
@@ -1216,15 +1227,19 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
/* New data from the main loop */
pa_memblockq_push_align(c->input_memblockq, chunk);
+ if (pa_memblockq_is_readable(c->input_memblockq) && c->playback.underrun) {
+ pa_log_debug("Requesting rewind due to end of underrun.");
+ pa_sink_input_request_rewind(c->sink_input, 0, FALSE, TRUE);
+ }
+
/* pa_log("got data, %u", pa_memblockq_get_length(c->input_memblockq)); */
return 0;
}
- case SINK_INPUT_MESSAGE_DISABLE_PREBUF: {
+ case SINK_INPUT_MESSAGE_DISABLE_PREBUF:
pa_memblockq_prebuf_disable(c->input_memblockq);
return 0;
- }
case PA_SINK_INPUT_MESSAGE_GET_LATENCY: {
pa_usec_t *r = userdata;
@@ -1243,32 +1258,60 @@ static int sink_input_process_msg(pa_msgobject *o, int code, void *userdata, int
/* Called from thread context */
static int sink_input_pop_cb(pa_sink_input *i, size_t length, pa_memchunk *chunk) {
connection*c;
- int r;
- pa_assert(i);
+ pa_sink_input_assert_ref(i);
c = CONNECTION(i->userdata);
connection_assert_ref(c);
pa_assert(chunk);
- if ((r = pa_memblockq_peek(c->input_memblockq, chunk)) < 0) {
+ if (pa_memblockq_peek(c->input_memblockq, chunk) < 0) {
+ c->playback.underrun = TRUE;
if (c->dead && pa_sink_input_safe_to_remove(i))
pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_UNLINK_CONNECTION, NULL, 0, NULL, NULL);
+
+ return -1;
} else {
- size_t old, new;
+ size_t m;
+
+ c->playback.underrun = FALSE;
- old = pa_memblockq_missing(c->input_memblockq);
pa_memblockq_drop(c->input_memblockq, chunk->length);
- new = pa_memblockq_missing(c->input_memblockq);
+ m = pa_memblockq_pop_missing(c->input_memblockq);
- if (new > old) {
- if (pa_atomic_add(&c->playback.missing, new - old) <= 0)
+ if (m > 0)
+ if (pa_atomic_add(&c->playback.missing, m) <= 0)
pa_asyncmsgq_post(pa_thread_mq_get()->outq, PA_MSGOBJECT(c), CONNECTION_MESSAGE_REQUEST_DATA, NULL, 0, NULL, NULL);
- }
+
+ return 0;
}
+}
+
+/* Called from thread context */
+static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
+ connection *c;
- return r;
+ pa_sink_input_assert_ref(i);
+ c = CONNECTION(i->userdata);
+ connection_assert_ref(c);
+
+ /* If we are in an underrun, then we don't rewind */
+ if (i->thread_info.underrun_for > 0)
+ return;
+
+ pa_memblockq_rewind(c->input_memblockq, nbytes);
+}
+
+/* Called from thread context */
+static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
+ connection *c;
+
+ pa_sink_input_assert_ref(i);
+ c = CONNECTION(i->userdata);
+ connection_assert_ref(c);
+
+ pa_memblockq_set_maxrewind(c->input_memblockq, nbytes);
}
static void sink_input_kill_cb(pa_sink_input *i) {
@@ -1283,7 +1326,7 @@ static void sink_input_kill_cb(pa_sink_input *i) {
static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk) {
connection *c;
- pa_assert(o);
+ pa_source_output_assert_ref(o);
c = CONNECTION(o->userdata);
pa_assert(c);
pa_assert(chunk);
@@ -1300,7 +1343,7 @@ static void source_output_kill_cb(pa_source_output *o) {
static pa_usec_t source_output_get_latency_cb(pa_source_output *o) {
connection*c;
- pa_assert(o);
+ pa_source_output_assert_ref(o);
c = CONNECTION(o->userdata);
pa_assert(c);
@@ -1346,6 +1389,7 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata)
pa_iochannel_socket_peer_to_string(io, pname, sizeof(pname));
pa_snprintf(cname, sizeof(cname), "EsounD client (%s)", pname);
c->client = pa_client_new(p->core, __FILE__, cname);
+ pa_proplist_sets(c->client->proplist, "esound-protocol.peer", pname);
c->client->module = p->module;
c->client->kill = client_kill_cb;
c->client->userdata = c;
@@ -1371,11 +1415,10 @@ static void on_connection(pa_socket_server*s, pa_iochannel *io, void *userdata)
c->playback.current_memblock = NULL;
c->playback.memblock_index = 0;
- c->playback.fragment_size = 0;
+ c->playback.underrun = TRUE;
pa_atomic_store(&c->playback.missing, 0);
- c->scache.memchunk.length = c->scache.memchunk.index = 0;
- c->scache.memchunk.memblock = NULL;
+ pa_memchunk_reset(&c->scache.memchunk);
c->scache.name = NULL;
c->original_name = NULL;
@@ -1456,7 +1499,8 @@ void pa_protocol_esound_free(pa_protocol_esound *p) {
connection_unlink(c);
pa_idxset_free(p->connections, NULL, NULL);
- pa_socket_server_unref(p->server);
+ if (p->server)
+ pa_socket_server_unref(p->server);
if (p->auth_ip_acl)
pa_ip_acl_free(p->auth_ip_acl);
generated by cgit (git 2.34.1) at 2025-11-04 02:34:26 +0000