From 2a6ee7731f6654b2efbc5dbf861f82c2823d1a54 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 16 Jul 2004 18:40:20 +0000 Subject: rename a bunch of files git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@79 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/polyp.c | 948 ------------------------------------------------------------ 1 file changed, 948 deletions(-) delete mode 100644 src/polyp.c (limited to 'src/polyp.c') diff --git a/src/polyp.c b/src/polyp.c deleted file mode 100644 index d6d0f908..00000000 --- a/src/polyp.c +++ /dev/null @@ -1,948 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include - -#include "polyp.h" -#include "protocol-native-spec.h" -#include "pdispatch.h" -#include "pstream.h" -#include "dynarray.h" -#include "socket-client.h" -#include "pstream-util.h" -#include "authkey.h" -#include "util.h" - -#define DEFAULT_MAXLENGTH 204800 -#define DEFAULT_TLENGTH 10240 -#define DEFAULT_PREBUF 4096 -#define DEFAULT_MINREQ 1024 -#define DEFAULT_FRAGSIZE 1024 - -#define DEFAULT_TIMEOUT (5*60) -#define DEFAULT_SERVER "/tmp/polypaudio/native" -#define DEFAULT_PORT "4713" - -struct pa_context { - char *name; - struct pa_mainloop_api* mainloop; - struct pa_socket_client *client; - struct pa_pstream *pstream; - struct pa_pdispatch *pdispatch; - struct pa_dynarray *record_streams, *playback_streams; - struct pa_stream *first_stream; - uint32_t ctag; - uint32_t error; - enum { - CONTEXT_UNCONNECTED, - CONTEXT_CONNECTING, - CONTEXT_AUTHORIZING, - CONTEXT_SETTING_NAME, - CONTEXT_READY, - CONTEXT_DEAD - } state; - - void (*connect_complete_callback)(struct pa_context*c, int success, void *userdata); - void *connect_complete_userdata; - - void (*drain_complete_callback)(struct pa_context*c, void *userdata); - void *drain_complete_userdata; - - void (*die_callback)(struct pa_context*c, void *userdata); - void *die_userdata; - - void (*stat_callback)(struct pa_context*c, uint32_t count, uint32_t total, void *userdata); - void *stat_userdata; - - uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH]; -}; - -struct pa_stream { - struct pa_context *context; - struct pa_stream *next, *previous; - - char *name; - struct pa_buffer_attr buffer_attr; - struct pa_sample_spec sample_spec; - uint32_t device_index; - uint32_t channel; - int channel_valid; - enum pa_stream_direction direction; - - enum { STREAM_LOOKING_UP, STREAM_CREATING, STREAM_READY, STREAM_DEAD} state; - uint32_t requested_bytes; - - void (*read_callback)(struct pa_stream *p, const void*data, size_t length, void *userdata); - void *read_userdata; - - void (*write_callback)(struct pa_stream *p, size_t length, void *userdata); - void *write_userdata; - - void (*create_complete_callback)(struct pa_stream *s, int success, void *userdata); - void *create_complete_userdata; - - void (*drain_complete_callback)(struct pa_stream *s, void *userdata); - void *drain_complete_userdata; - - void (*die_callback)(struct pa_stream*c, void *userdata); - void *die_userdata; - - void (*get_latency_callback)(struct pa_stream*c, uint32_t latency, void *userdata); - void *get_latency_userdata; -}; - -static void command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); -static void command_playback_stream_killed(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata); - -static const struct pa_pdispatch_command command_table[PA_COMMAND_MAX] = { - [PA_COMMAND_ERROR] = { NULL }, - [PA_COMMAND_REPLY] = { NULL }, - [PA_COMMAND_CREATE_PLAYBACK_STREAM] = { NULL }, - [PA_COMMAND_DELETE_PLAYBACK_STREAM] = { NULL }, - [PA_COMMAND_CREATE_RECORD_STREAM] = { NULL }, - [PA_COMMAND_DELETE_RECORD_STREAM] = { NULL }, - [PA_COMMAND_EXIT] = { NULL }, - [PA_COMMAND_REQUEST] = { command_request }, - [PA_COMMAND_PLAYBACK_STREAM_KILLED] = { command_playback_stream_killed }, - [PA_COMMAND_RECORD_STREAM_KILLED] = { command_playback_stream_killed }, -}; - -struct pa_context *pa_context_new(struct pa_mainloop_api *mainloop, const char *name) { - struct pa_context *c; - assert(mainloop && name); - - c = malloc(sizeof(struct pa_context)); - assert(c); - c->name = strdup(name); - c->mainloop = mainloop; - c->client = NULL; - c->pstream = NULL; - c->pdispatch = NULL; - c->playback_streams = pa_dynarray_new(); - assert(c->playback_streams); - c->record_streams = pa_dynarray_new(); - assert(c->record_streams); - c->first_stream = NULL; - c->error = PA_ERROR_OK; - c->state = CONTEXT_UNCONNECTED; - c->ctag = 0; - - c->connect_complete_callback = NULL; - c->connect_complete_userdata = NULL; - - c->drain_complete_callback = NULL; - c->drain_complete_userdata = NULL; - - c->die_callback = NULL; - c->die_userdata = NULL; - - c->stat_callback = NULL; - c->stat_userdata = NULL; - - pa_check_for_sigpipe(); - return c; -} - -void pa_context_free(struct pa_context *c) { - assert(c); - - while (c->first_stream) - pa_stream_free(c->first_stream); - - if (c->client) - pa_socket_client_free(c->client); - if (c->pdispatch) - pa_pdispatch_free(c->pdispatch); - if (c->pstream) - pa_pstream_free(c->pstream); - if (c->record_streams) - pa_dynarray_free(c->record_streams, NULL, NULL); - if (c->playback_streams) - pa_dynarray_free(c->playback_streams, NULL, NULL); - - free(c->name); - free(c); -} - -static void stream_dead(struct pa_stream *s) { - assert(s); - - if (s->state == STREAM_DEAD) - return; - - if (s->state == STREAM_READY) { - s->state = STREAM_DEAD; - if (s->die_callback) - s->die_callback(s, s->die_userdata); - } else - s->state = STREAM_DEAD; -} - -static void context_dead(struct pa_context *c) { - struct pa_stream *s; - assert(c); - - if (c->state == CONTEXT_DEAD) - return; - - if (c->pdispatch) - pa_pdispatch_free(c->pdispatch); - c->pdispatch = NULL; - - if (c->pstream) - pa_pstream_free(c->pstream); - c->pstream = NULL; - - if (c->client) - pa_socket_client_free(c->client); - c->client = NULL; - - for (s = c->first_stream; s; s = s->next) - stream_dead(s); - - if (c->state == CONTEXT_READY) { - c->state = CONTEXT_DEAD; - if (c->die_callback) - c->die_callback(c, c->die_userdata); - } else - c->state = CONTEXT_DEAD; -} - -static void pstream_die_callback(struct pa_pstream *p, void *userdata) { - struct pa_context *c = userdata; - assert(p && c); - c->error = PA_ERROR_CONNECTIONTERMINATED; - context_dead(c); -} - -static void pstream_packet_callback(struct pa_pstream *p, struct pa_packet *packet, void *userdata) { - struct pa_context *c = userdata; - assert(p && packet && c); - - if (pa_pdispatch_run(c->pdispatch, packet, c) < 0) { - fprintf(stderr, "polyp.c: invalid packet.\n"); - c->error = PA_ERROR_PROTOCOL; - context_dead(c); - } -} - -static void pstream_memblock_callback(struct pa_pstream *p, uint32_t channel, int32_t delta, const struct pa_memchunk *chunk, void *userdata) { - struct pa_context *c = userdata; - struct pa_stream *s; - assert(p && chunk && c && chunk->memblock && chunk->memblock->data); - - if (!(s = pa_dynarray_get(c->record_streams, channel))) - return; - - if (s->read_callback) - s->read_callback(s, chunk->memblock->data + chunk->index, chunk->length, s->read_userdata); -} - -static int handle_error(struct pa_context *c, uint32_t command, struct pa_tagstruct *t) { - assert(c && t); - - if (command == PA_COMMAND_ERROR) { - if (pa_tagstruct_getu32(t, &c->error) < 0) { - c->error = PA_ERROR_PROTOCOL; - return -1; - } - - return 0; - } - - c->error = (command == PA_COMMAND_TIMEOUT) ? PA_ERROR_TIMEOUT : PA_ERROR_INTERNAL; - return -1; -} - -static void setup_complete_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_context *c = userdata; - assert(pd && c && (c->state == CONTEXT_AUTHORIZING || c->state == CONTEXT_SETTING_NAME)); - - if (command != PA_COMMAND_REPLY) { - handle_error(c, command, t); - context_dead(c); - - if (c->connect_complete_callback) - c->connect_complete_callback(c, 0, c->connect_complete_userdata); - - return; - } - - if (c->state == CONTEXT_AUTHORIZING) { - struct pa_tagstruct *t; - c->state = CONTEXT_SETTING_NAME; - t = pa_tagstruct_new(NULL, 0); - assert(t); - pa_tagstruct_putu32(t, PA_COMMAND_SET_NAME); - pa_tagstruct_putu32(t, tag = c->ctag++); - pa_tagstruct_puts(t, c->name); - pa_pstream_send_tagstruct(c->pstream, t); - pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c); - } else { - assert(c->state == CONTEXT_SETTING_NAME); - - c->state = CONTEXT_READY; - - if (c->connect_complete_callback) - c->connect_complete_callback(c, 1, c->connect_complete_userdata); - } - - return; -} - -static void on_connection(struct pa_socket_client *client, struct pa_iochannel*io, void *userdata) { - struct pa_context *c = userdata; - struct pa_tagstruct *t; - uint32_t tag; - assert(client && c && c->state == CONTEXT_CONNECTING); - - pa_socket_client_free(client); - c->client = NULL; - - if (!io) { - c->error = PA_ERROR_CONNECTIONREFUSED; - context_dead(c); - - if (c->connect_complete_callback) - c->connect_complete_callback(c, 0, c->connect_complete_userdata); - - return; - } - - c->pstream = pa_pstream_new(c->mainloop, io); - assert(c->pstream); - pa_pstream_set_die_callback(c->pstream, pstream_die_callback, c); - pa_pstream_set_recieve_packet_callback(c->pstream, pstream_packet_callback, c); - pa_pstream_set_recieve_memblock_callback(c->pstream, pstream_memblock_callback, c); - - c->pdispatch = pa_pdispatch_new(c->mainloop, command_table, PA_COMMAND_MAX); - assert(c->pdispatch); - - t = pa_tagstruct_new(NULL, 0); - assert(t); - pa_tagstruct_putu32(t, PA_COMMAND_AUTH); - pa_tagstruct_putu32(t, tag = c->ctag++); - pa_tagstruct_put_arbitrary(t, c->auth_cookie, sizeof(c->auth_cookie)); - pa_pstream_send_tagstruct(c->pstream, t); - pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, c); - c->state = CONTEXT_AUTHORIZING; -} - -static struct sockaddr *resolve_server(const char *server, size_t *len) { - struct sockaddr *sa; - struct addrinfo hints, *result = NULL; - char *port; - assert(server && len); - - if ((port = strrchr(server, ':'))) - port++; - if (!port) - port = DEFAULT_PORT; - - memset(&hints, 0, sizeof(hints)); - hints.ai_family = PF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; - hints.ai_protocol = 0; - - if (getaddrinfo(server, port, &hints, &result) != 0) - return NULL; - assert(result); - - sa = malloc(*len = result->ai_addrlen); - assert(sa); - memcpy(sa, result->ai_addr, *len); - - freeaddrinfo(result); - - return sa; - -} - -int pa_context_connect(struct pa_context *c, const char *server, void (*complete) (struct pa_context*c, int success, void *userdata), void *userdata) { - assert(c && c->state == CONTEXT_UNCONNECTED); - - if (pa_authkey_load_from_home(PA_NATIVE_COOKIE_FILE, c->auth_cookie, sizeof(c->auth_cookie)) < 0) { - c->error = PA_ERROR_AUTHKEY; - return -1; - } - - if (!server) - if (!(server = getenv("POLYP_SERVER"))) - server = DEFAULT_SERVER; - - assert(!c->client); - - if (*server == '/') { - if (!(c->client = pa_socket_client_new_unix(c->mainloop, server))) { - c->error = PA_ERROR_CONNECTIONREFUSED; - return -1; - } - } else { - struct sockaddr* sa; - size_t sa_len; - - if (!(sa = resolve_server(server, &sa_len))) { - c->error = PA_ERROR_INVALIDSERVER; - return -1; - } - - c->client = pa_socket_client_new_sockaddr(c->mainloop, sa, sa_len); - free(sa); - - if (!c->client) { - c->error = PA_ERROR_CONNECTIONREFUSED; - return -1; - } - } - - c->connect_complete_callback = complete; - c->connect_complete_userdata = userdata; - - pa_socket_client_set_callback(c->client, on_connection, c); - c->state = CONTEXT_CONNECTING; - - return 0; -} - -int pa_context_is_dead(struct pa_context *c) { - assert(c); - return c->state == CONTEXT_DEAD; -} - -int pa_context_is_ready(struct pa_context *c) { - assert(c); - return c->state == CONTEXT_READY; -} - -int pa_context_errno(struct pa_context *c) { - assert(c); - return c->error; -} - -void pa_context_set_die_callback(struct pa_context *c, void (*cb)(struct pa_context *c, void *userdata), void *userdata) { - assert(c); - c->die_callback = cb; - c->die_userdata = userdata; -} - -static void command_playback_stream_killed(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_context *c = userdata; - struct pa_stream *s; - uint32_t channel; - assert(pd && (command == PA_COMMAND_PLAYBACK_STREAM_KILLED || command == PA_COMMAND_RECORD_STREAM_KILLED) && t && c); - - if (pa_tagstruct_getu32(t, &channel) < 0 || - !pa_tagstruct_eof(t)) { - c->error = PA_ERROR_PROTOCOL; - context_dead(c); - return; - } - - if (!(s = pa_dynarray_get(command == PA_COMMAND_PLAYBACK_STREAM_KILLED ? c->playback_streams : c->record_streams, channel))) - return; - - c->error = PA_ERROR_KILLED; - stream_dead(s); -} - -static void command_request(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_stream *s; - struct pa_context *c = userdata; - uint32_t bytes, channel; - assert(pd && command == PA_COMMAND_REQUEST && t && c); - - if (pa_tagstruct_getu32(t, &channel) < 0 || - pa_tagstruct_getu32(t, &bytes) < 0 || - !pa_tagstruct_eof(t)) { - c->error = PA_ERROR_PROTOCOL; - context_dead(c); - return; - } - - if (!(s = pa_dynarray_get(c->playback_streams, channel))) - return; - - if (s->state != STREAM_READY) - return; - - s->requested_bytes += bytes; - - if (s->requested_bytes && s->write_callback) - s->write_callback(s, s->requested_bytes, s->write_userdata); -} - -static void create_stream_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_stream *s = userdata; - assert(pd && s && s->state == STREAM_CREATING); - - if (command != PA_COMMAND_REPLY) { - if (handle_error(s->context, command, t) < 0) { - context_dead(s->context); - return; - } - - stream_dead(s); - if (s->create_complete_callback) - s->create_complete_callback(s, 0, s->create_complete_userdata); - - return; - } - - if (pa_tagstruct_getu32(t, &s->channel) < 0 || - pa_tagstruct_getu32(t, &s->device_index) < 0 || - !pa_tagstruct_eof(t)) { - s->context->error = PA_ERROR_PROTOCOL; - context_dead(s->context); - return; - } - - s->channel_valid = 1; - pa_dynarray_put((s->direction == PA_STREAM_PLAYBACK) ? s->context->playback_streams : s->context->record_streams, s->channel, s); - - s->state = STREAM_READY; - if (s->create_complete_callback) - s->create_complete_callback(s, 1, s->create_complete_userdata); -} - -static void create_stream(struct pa_stream *s, uint32_t tdev_index) { - struct pa_tagstruct *t; - uint32_t tag; - assert(s); - - s->state = STREAM_CREATING; - - t = pa_tagstruct_new(NULL, 0); - assert(t); - - pa_tagstruct_putu32(t, s->direction == PA_STREAM_PLAYBACK ? PA_COMMAND_CREATE_PLAYBACK_STREAM : PA_COMMAND_CREATE_RECORD_STREAM); - pa_tagstruct_putu32(t, tag = s->context->ctag++); - pa_tagstruct_puts(t, s->name); - pa_tagstruct_put_sample_spec(t, &s->sample_spec); - pa_tagstruct_putu32(t, tdev_index); - pa_tagstruct_putu32(t, s->buffer_attr.maxlength); - if (s->direction == PA_STREAM_PLAYBACK) { - pa_tagstruct_putu32(t, s->buffer_attr.tlength); - pa_tagstruct_putu32(t, s->buffer_attr.prebuf); - pa_tagstruct_putu32(t, s->buffer_attr.minreq); - } else - pa_tagstruct_putu32(t, s->buffer_attr.fragsize); - - pa_pstream_send_tagstruct(s->context->pstream, t); - pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, create_stream_callback, s); -} - -static void lookup_device_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_stream *s = userdata; - uint32_t tdev; - assert(pd && s && s->state == STREAM_LOOKING_UP); - - if (command != PA_COMMAND_REPLY) { - if (handle_error(s->context, command, t) < 0) { - context_dead(s->context); - return; - } - - stream_dead(s); - if (s->create_complete_callback) - s->create_complete_callback(s, 0, s->create_complete_userdata); - return; - } - - if (pa_tagstruct_getu32(t, &tdev) < 0 || - !pa_tagstruct_eof(t)) { - s->context->error = PA_ERROR_PROTOCOL; - context_dead(s->context); - return; - } - - create_stream(s, tdev); -} - -static void lookup_device(struct pa_stream *s, const char *tdev) { - struct pa_tagstruct *t; - uint32_t tag; - assert(s); - - s->state = STREAM_LOOKING_UP; - - t = pa_tagstruct_new(NULL, 0); - assert(t); - - pa_tagstruct_putu32(t, s->direction == PA_STREAM_PLAYBACK ? PA_COMMAND_LOOKUP_SINK : PA_COMMAND_LOOKUP_SOURCE); - pa_tagstruct_putu32(t, tag = s->context->ctag++); - pa_tagstruct_puts(t, tdev); - - pa_pstream_send_tagstruct(s->context->pstream, t); - pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, lookup_device_callback, s); -} - -struct pa_stream* pa_stream_new( - struct pa_context *c, - enum pa_stream_direction dir, - const char *dev, - const char *name, - const struct pa_sample_spec *ss, - const struct pa_buffer_attr *attr, - void (*complete) (struct pa_stream*s, int success, void *userdata), - void *userdata) { - - struct pa_stream *s; - - assert(c && name && ss && c->state == CONTEXT_READY); - - s = malloc(sizeof(struct pa_stream)); - assert(s); - s->context = c; - - s->read_callback = NULL; - s->read_userdata = NULL; - s->write_callback = NULL; - s->write_userdata = NULL; - s->die_callback = NULL; - s->die_userdata = NULL; - s->create_complete_callback = complete; - s->create_complete_userdata = NULL; - s->get_latency_callback = NULL; - s->get_latency_userdata = NULL; - - s->name = strdup(name); - s->state = STREAM_CREATING; - s->requested_bytes = 0; - s->channel = 0; - s->channel_valid = 0; - s->device_index = (uint32_t) -1; - s->direction = dir; - s->sample_spec = *ss; - if (attr) - s->buffer_attr = *attr; - else { - s->buffer_attr.maxlength = DEFAULT_MAXLENGTH; - s->buffer_attr.tlength = DEFAULT_TLENGTH; - s->buffer_attr.prebuf = DEFAULT_PREBUF; - s->buffer_attr.minreq = DEFAULT_MINREQ; - s->buffer_attr.fragsize = DEFAULT_FRAGSIZE; - } - - s->next = c->first_stream; - if (s->next) - s->next->previous = s; - s->previous = NULL; - c->first_stream = s; - - if (dev) - lookup_device(s, dev); - else - create_stream(s, (uint32_t) -1); - - return s; -} - -void pa_stream_free(struct pa_stream *s) { - assert(s && s->context); - - if (s->context->pdispatch) - pa_pdispatch_unregister_reply(s->context->pdispatch, s); - - free(s->name); - - if (s->channel_valid && s->context->state == CONTEXT_READY) { - struct pa_tagstruct *t = pa_tagstruct_new(NULL, 0); - assert(t); - - pa_tagstruct_putu32(t, PA_COMMAND_DELETE_PLAYBACK_STREAM); - pa_tagstruct_putu32(t, s->context->ctag++); - pa_tagstruct_putu32(t, s->channel); - pa_pstream_send_tagstruct(s->context->pstream, t); - } - - if (s->channel_valid) - pa_dynarray_put((s->direction == PA_STREAM_PLAYBACK) ? s->context->playback_streams : s->context->record_streams, s->channel, NULL); - - if (s->next) - s->next->previous = s->previous; - if (s->previous) - s->previous->next = s->next; - else - s->context->first_stream = s->next; - - free(s); -} - -void pa_stream_set_write_callback(struct pa_stream *s, void (*cb)(struct pa_stream *p, size_t length, void *userdata), void *userdata) { - assert(s && cb); - s->write_callback = cb; - s->write_userdata = userdata; -} - -void pa_stream_write(struct pa_stream *s, const void *data, size_t length) { - struct pa_memchunk chunk; - assert(s && s->context && data && length && s->state == STREAM_READY); - - chunk.memblock = pa_memblock_new(length); - assert(chunk.memblock && chunk.memblock->data); - memcpy(chunk.memblock->data, data, length); - chunk.index = 0; - chunk.length = length; - - pa_pstream_send_memblock(s->context->pstream, s->channel, 0, &chunk); - pa_memblock_unref(chunk.memblock); - - /*fprintf(stderr, "Sent %u bytes\n", length);*/ - - if (length < s->requested_bytes) - s->requested_bytes -= length; - else - s->requested_bytes = 0; -} - -size_t pa_stream_writable_size(struct pa_stream *s) { - assert(s && s->state == STREAM_READY); - return s->requested_bytes; -} - -void pa_stream_set_read_callback(struct pa_stream *s, void (*cb)(struct pa_stream *p, const void*data, size_t length, void *userdata), void *userdata) { - assert(s && cb); - s->read_callback = cb; - s->read_userdata = userdata; -} - -int pa_stream_is_dead(struct pa_stream *s) { - return s->state == STREAM_DEAD; -} - -int pa_stream_is_ready(struct pa_stream*s) { - return s->state == STREAM_READY; -} - -void pa_stream_set_die_callback(struct pa_stream *s, void (*cb)(struct pa_stream *s, void *userdata), void *userdata) { - assert(s); - s->die_callback = cb; - s->die_userdata = userdata; -} - -int pa_context_is_pending(struct pa_context *c) { - assert(c); - - if (c->state != CONTEXT_READY) - return 0; - - return pa_pstream_is_pending(c->pstream) || pa_pdispatch_is_pending(c->pdispatch); -} - -struct pa_context* pa_stream_get_context(struct pa_stream *p) { - assert(p); - return p->context; -} - -static void set_dispatch_callbacks(struct pa_context *c); - -static void pdispatch_drain_callback(struct pa_pdispatch*pd, void *userdata) { - set_dispatch_callbacks(userdata); -} - -static void pstream_drain_callback(struct pa_pstream *s, void *userdata) { - set_dispatch_callbacks(userdata); -} - -static void set_dispatch_callbacks(struct pa_context *c) { - assert(c && c->state == CONTEXT_READY); - - pa_pstream_set_drain_callback(c->pstream, NULL, NULL); - pa_pdispatch_set_drain_callback(c->pdispatch, NULL, NULL); - - if (pa_pdispatch_is_pending(c->pdispatch)) { - pa_pdispatch_set_drain_callback(c->pdispatch, pdispatch_drain_callback, c); - return; - } - - if (pa_pstream_is_pending(c->pstream)) { - pa_pstream_set_drain_callback(c->pstream, pstream_drain_callback, c); - return; - } - - assert(c->drain_complete_callback); - c->drain_complete_callback(c, c->drain_complete_userdata); -} - -int pa_context_drain( - struct pa_context *c, - void (*complete) (struct pa_context*c, void *userdata), - void *userdata) { - - assert(c && c->state == CONTEXT_READY); - - if (complete == NULL) { - c->drain_complete_callback = NULL; - pa_pstream_set_drain_callback(c->pstream, NULL, NULL); - pa_pdispatch_set_drain_callback(c->pdispatch, NULL, NULL); - return 0; - } - - if (!pa_context_is_pending(c)) - return -1; - - c->drain_complete_callback = complete; - c->drain_complete_userdata = userdata; - - set_dispatch_callbacks(c); - - return 0; -} - -static void stream_drain_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_stream *s = userdata; - assert(pd && s); - - if (command != PA_COMMAND_REPLY) { - if (handle_error(s->context, command, t) < 0) { - context_dead(s->context); - return; - } - - stream_dead(s); - return; - } - - if (s->state != STREAM_READY) - return; - - if (!pa_tagstruct_eof(t)) { - s->context->error = PA_ERROR_PROTOCOL; - context_dead(s->context); - return; - } - - if (s->drain_complete_callback) { - void (*temp) (struct pa_stream*s, void *userdata) = s->drain_complete_callback; - s->drain_complete_callback = NULL; - temp(s, s->drain_complete_userdata); - } -} - - -void pa_stream_drain(struct pa_stream *s, void (*complete) (struct pa_stream*s, void *userdata), void *userdata) { - struct pa_tagstruct *t; - uint32_t tag; - assert(s && s->state == STREAM_READY); - - if (!complete) { - s->drain_complete_callback = NULL; - return; - } - - s->drain_complete_callback = complete; - s->drain_complete_userdata = userdata; - - t = pa_tagstruct_new(NULL, 0); - assert(t); - - pa_tagstruct_putu32(t, PA_COMMAND_DRAIN_PLAYBACK_STREAM); - pa_tagstruct_putu32(t, tag = s->context->ctag++); - pa_tagstruct_putu32(t, s->channel); - pa_pstream_send_tagstruct(s->context->pstream, t); - pa_pdispatch_register_reply(s->context->pdispatch, tag, DEFAULT_TIMEOUT, stream_drain_callback, s); -} - -void pa_context_exit(struct pa_context *c) { - struct pa_tagstruct *t; - t = pa_tagstruct_new(NULL, 0); - assert(t); - pa_tagstruct_putu32(t, PA_COMMAND_EXIT); - pa_tagstruct_putu32(t, c->ctag++); - pa_pstream_send_tagstruct(c->pstream, t); -} - -static void context_stat_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_context *c = userdata; - uint32_t total, count; - assert(pd && c); - - if (command != PA_COMMAND_REPLY) { - if (handle_error(c, command, t) < 0) { - context_dead(c); - return; - } - - if (c->stat_callback) - c->stat_callback(c, (uint32_t) -1, (uint32_t) -1, c->stat_userdata); - return; - } - - if (pa_tagstruct_getu32(t, &count) < 0 || - pa_tagstruct_getu32(t, &total) < 0 || - !pa_tagstruct_eof(t)) { - c->error = PA_ERROR_PROTOCOL; - context_dead(c); - return; - } - - if (c->stat_callback) - c->stat_callback(c, count, total, c->stat_userdata); -} - -void pa_context_stat(struct pa_context *c, void (*cb)(struct pa_context *c, uint32_t count, uint32_t total, void *userdata), void *userdata) { - uint32_t tag; - struct pa_tagstruct *t; - - c->stat_callback = cb; - c->stat_userdata = userdata; - - if (cb == NULL) - return; - - t = pa_tagstruct_new(NULL, 0); - assert(t); - pa_tagstruct_putu32(t, PA_COMMAND_STAT); - pa_tagstruct_putu32(t, tag = c->ctag++); - pa_pstream_send_tagstruct(c->pstream, t); - pa_pdispatch_register_reply(c->pdispatch, tag, DEFAULT_TIMEOUT, context_stat_callback, c); -} - -static void stream_get_latency_callback(struct pa_pdispatch *pd, uint32_t command, uint32_t tag, struct pa_tagstruct *t, void *userdata) { - struct pa_stream *s = userdata; - uint32_t latency; - assert(pd && s); - - if (command != PA_COMMAND_REPLY) { - if (handle_error(s->context, command, t) < 0) { - context_dead(s->context); - return; - } - - if (s->get_latency_callback) - s->get_latency_callback(s, (uint32_t) -1, s->get_latency_userdata); - return; - } - - if (pa_tagstruct_getu32(t, &latency) < 0 || - !pa_tagstruct_eof(t)) { - s->context->error = PA_ERROR_PROTOCOL; - context_dead(s->context); - return; - } - - if (s->get_latency_callback) - s->get_latency_callback(s, latency, s->get_latency_userdata); -} - -void pa_stream_get_latency(struct pa_stream *p, void (*cb)(struct pa_stream *p, uint32_t latency, void *userdata), void *userdata) { - uint32_t tag; - struct pa_tagstruct *t; - - p->get_latency_callback = cb; - p->get_latency_userdata = userdata; - - if (cb == NULL) - return; - - t = pa_tagstruct_new(NULL, 0); - assert(t); - pa_tagstruct_putu32(t, PA_COMMAND_GET_PLAYBACK_LATENCY); - pa_tagstruct_putu32(t, tag = p->context->ctag++); - pa_tagstruct_putu32(t, p->channel); - pa_pstream_send_tagstruct(p->context->pstream, t); - pa_pdispatch_register_reply(p->context->pdispatch, tag, DEFAULT_TIMEOUT, stream_get_latency_callback, p); -} -- cgit