From 41f6aea8fdbc744c13bc461056a2d694a5c4d06f Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 17 Jul 2004 14:12:30 +0000 Subject: rename src to polyp git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@90 fefdeb5f-60dc-0310-8127-8f9354f1896f --- src/protocol-esound.c | 847 -------------------------------------------------- 1 file changed, 847 deletions(-) delete mode 100644 src/protocol-esound.c (limited to 'src/protocol-esound.c') diff --git a/src/protocol-esound.c b/src/protocol-esound.c deleted file mode 100644 index 8a7c4bcb..00000000 --- a/src/protocol-esound.c +++ /dev/null @@ -1,847 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - polypaudio is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include -#include - -#include "protocol-esound.h" -#include "esound.h" -#include "memblock.h" -#include "client.h" -#include "sink-input.h" -#include "sink.h" -#include "source-output.h" -#include "source.h" -#include "sample.h" - -#include "authkey.h" - -#define DEFAULT_COOKIE_FILE ".esd_auth" - -#define PLAYBACK_BUFFER_SECONDS (.5) -#define PLAYBACK_BUFFER_FRAGMENTS (10) -#define RECORD_BUFFER_SECONDS (5) -#define RECORD_BUFFER_FRAGMENTS (100) - -/* This is heavily based on esound's code */ - -struct connection { - uint32_t index; - struct pa_protocol_esound *protocol; - struct pa_iochannel *io; - struct pa_client *client; - int authorized, swap_byte_order; - void *write_data; - size_t write_data_alloc, write_data_index, write_data_length; - void *read_data; - size_t read_data_alloc, read_data_length; - esd_proto_t request; - esd_client_state_t state; - struct pa_sink_input *sink_input; - struct pa_source_output *source_output; - struct pa_memblockq *input_memblockq, *output_memblockq; - void *fixed_source; - struct { - struct pa_memblock *current_memblock; - size_t memblock_index, fragment_size; - } playback; -}; - -struct pa_protocol_esound { - int public; - struct pa_module *module; - struct pa_core *core; - struct pa_socket_server *server; - struct pa_idxset *connections; - uint32_t sink_index, source_index; - unsigned n_player; - uint8_t esd_key[ESD_KEY_LEN]; -}; - -typedef struct proto_handler { - size_t data_length; - int (*proc)(struct connection *c, esd_proto_t request, const void *data, size_t length); - const char *description; -} esd_proto_handler_info_t; - -static void sink_input_drop_cb(struct pa_sink_input *i, size_t length); -static int sink_input_peek_cb(struct pa_sink_input *i, struct pa_memchunk *chunk); -static void sink_input_kill_cb(struct pa_sink_input *i); -static uint32_t sink_input_get_latency_cb(struct pa_sink_input *i); - -static void source_output_push_cb(struct pa_source_output *o, const struct pa_memchunk *chunk); -static void source_output_kill_cb(struct pa_source_output *o); - -static int esd_proto_connect(struct connection *c, esd_proto_t request, const void *data, size_t length); -static int esd_proto_stream_play(struct connection *c, esd_proto_t request, const void *data, size_t length); -static int esd_proto_stream_record(struct connection *c, esd_proto_t request, const void *data, size_t length); -static int esd_proto_get_latency(struct connection *c, esd_proto_t request, const void *data, size_t length); -static int esd_proto_server_info(struct connection *c, esd_proto_t request, const void *data, size_t length); -static int esd_proto_all_info(struct connection *c, esd_proto_t request, const void *data, size_t length); -static int esd_proto_stream_pan(struct connection *c, esd_proto_t request, const void *data, size_t length); - -/* the big map of protocol handler info */ -static struct proto_handler proto_map[ESD_PROTO_MAX] = { - { ESD_KEY_LEN + sizeof(int), esd_proto_connect, "connect" }, - { ESD_KEY_LEN + sizeof(int), NULL, "lock" }, - { ESD_KEY_LEN + sizeof(int), NULL, "unlock" }, - - { ESD_NAME_MAX + 2 * sizeof(int), esd_proto_stream_play, "stream play" }, - { ESD_NAME_MAX + 2 * sizeof(int), esd_proto_stream_record, "stream rec" }, - { ESD_NAME_MAX + 2 * sizeof(int), esd_proto_stream_record, "stream mon" }, - - { ESD_NAME_MAX + 3 * sizeof(int), NULL, "sample cache" }, - { sizeof(int), NULL, "sample free" }, - { sizeof(int), NULL, "sample play" }, - { sizeof(int), NULL, "sample loop" }, - { sizeof(int), NULL, "sample stop" }, - { -1, NULL, "TODO: sample kill" }, - - { ESD_KEY_LEN + sizeof(int), NULL, "standby" }, - { ESD_KEY_LEN + sizeof(int), NULL, "resume" }, - - { ESD_NAME_MAX, NULL, "sample getid" }, - { ESD_NAME_MAX + 2 * sizeof(int), NULL, "stream filter" }, - - { sizeof(int), esd_proto_server_info, "server info" }, - { sizeof(int), esd_proto_all_info, "all info" }, - { -1, NULL, "TODO: subscribe" }, - { -1, NULL, "TODO: unsubscribe" }, - - { 3 * sizeof(int), esd_proto_stream_pan, "stream pan"}, - { 3 * sizeof(int), NULL, "sample pan" }, - - { sizeof(int), NULL, "standby mode" }, - { 0, esd_proto_get_latency, "get latency" } -}; - - -static void connection_free(struct connection *c) { - assert(c); - pa_idxset_remove_by_data(c->protocol->connections, c, NULL); - - if (c->state == ESD_STREAMING_DATA) - c->protocol->n_player--; - - pa_client_free(c->client); - - if (c->sink_input) - pa_sink_input_free(c->sink_input); - if (c->source_output) - pa_source_output_free(c->source_output); - if (c->input_memblockq) - pa_memblockq_free(c->input_memblockq); - if (c->output_memblockq) - pa_memblockq_free(c->output_memblockq); - - if (c->playback.current_memblock) - pa_memblock_unref(c->playback.current_memblock); - - free(c->read_data); - free(c->write_data); - - pa_iochannel_free(c->io); - - if (c->fixed_source) - c->protocol->core->mainloop->cancel_fixed(c->protocol->core->mainloop, c->fixed_source); - - free(c); -} - -static struct pa_sink* get_output_sink(struct pa_protocol_esound *p) { - struct pa_sink *s; - assert(p); - - if (!(s = pa_idxset_get_by_index(p->core->sinks, p->sink_index))) - s = pa_sink_get_default(p->core); - - p->sink_index = s ? s->index : PA_IDXSET_INVALID; - return s; -} - -static struct pa_source* get_input_source(struct pa_protocol_esound *p) { - struct pa_source *s; - assert(p); - - if (!(s = pa_idxset_get_by_index(p->core->sources, p->sink_index))) - s = pa_source_get_default(p->core); - - p->source_index = s ? s->index : PA_IDXSET_INVALID; - return s; -} - -static void* connection_write(struct connection *c, size_t length) { - size_t t, i; - assert(c); - - assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->enable_fixed); - c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 1); - - t = c->write_data_length+length; - - if (c->write_data_alloc < t) - c->write_data = realloc(c->write_data, c->write_data_alloc = t); - - assert(c->write_data); - - i = c->write_data_length; - c->write_data_length += length; - - return c->write_data+i; -} - -/*** esound commands ***/ - -static int esd_proto_connect(struct connection *c, esd_proto_t request, const void *data, size_t length) { - uint32_t ekey; - int *ok; - assert(length == (ESD_KEY_LEN + sizeof(uint32_t))); - - if (!c->authorized) { - if (memcmp(data, c->protocol->esd_key, ESD_KEY_LEN) != 0) { - fprintf(stderr, __FILE__": kicked client with invalid authorization key.\n"); - return -1; - } - - c->authorized = 1; - } - - ekey = *(uint32_t*)(data+ESD_KEY_LEN); - if (ekey == ESD_ENDIAN_KEY) - c->swap_byte_order = 0; - else if (ekey == ESD_SWAP_ENDIAN_KEY) - c->swap_byte_order = 1; - else { - fprintf(stderr, __FILE__": client sent invalid endian key\n"); - return -1; - } - - ok = connection_write(c, sizeof(int)); - assert(ok); - *ok = 1; - return 0; -} - -static int esd_proto_stream_play(struct connection *c, esd_proto_t request, const void *data, size_t length) { - char name[ESD_NAME_MAX]; - int format, rate; - struct pa_sink *sink; - struct pa_sample_spec ss; - size_t l; - assert(c && length == (sizeof(int)*2+ESD_NAME_MAX)); - - format = maybe_swap_endian_32(c->swap_byte_order, *(int*)data); - rate = maybe_swap_endian_32(c->swap_byte_order, *((int*)data + 1)); - - ss.rate = rate; - ss.channels = ((format & ESD_MASK_CHAN) == ESD_STEREO) ? 2 : 1; - ss.format = ((format & ESD_MASK_BITS) == ESD_BITS16) ? PA_SAMPLE_S16NE : PA_SAMPLE_U8; - - if (!pa_sample_spec_valid(&ss)) - return -1; - - if (!(sink = get_output_sink(c->protocol))) - return -1; - - strncpy(name, data + sizeof(int)*2, sizeof(name)); - name[sizeof(name)-1] = 0; - - pa_client_rename(c->client, name); - - assert(!c->input_memblockq); - - l = (size_t) (pa_bytes_per_second(&ss)*PLAYBACK_BUFFER_SECONDS); - c->input_memblockq = pa_memblockq_new(l, 0, pa_sample_size(&ss), l/2, l/PLAYBACK_BUFFER_FRAGMENTS); - assert(c->input_memblockq); - pa_iochannel_socket_set_rcvbuf(c->io, l/PLAYBACK_BUFFER_FRAGMENTS*2); - c->playback.fragment_size = l/10; - - assert(!c->sink_input); - c->sink_input = pa_sink_input_new(sink, name, &ss); - assert(c->sink_input); - - c->sink_input->owner = c->protocol->module; - c->sink_input->client = c->client; - c->sink_input->peek = sink_input_peek_cb; - c->sink_input->drop = sink_input_drop_cb; - c->sink_input->kill = sink_input_kill_cb; - c->sink_input->get_latency = sink_input_get_latency_cb; - c->sink_input->userdata = c; - - c->state = ESD_STREAMING_DATA; - - c->protocol->n_player++; - - return 0; -} - -static int esd_proto_stream_record(struct connection *c, esd_proto_t request, const void *data, size_t length) { - char name[ESD_NAME_MAX]; - int format, rate; - struct pa_source *source; - struct pa_sample_spec ss; - size_t l; - assert(c && length == (sizeof(int)*2+ESD_NAME_MAX)); - - format = maybe_swap_endian_32(c->swap_byte_order, *(int*)data); - rate = maybe_swap_endian_32(c->swap_byte_order, *((int*)data + 1)); - - ss.rate = rate; - ss.channels = ((format & ESD_MASK_CHAN) == ESD_STEREO) ? 2 : 1; - ss.format = ((format & ESD_MASK_BITS) == ESD_BITS16) ? PA_SAMPLE_S16NE : PA_SAMPLE_U8; - - if (!pa_sample_spec_valid(&ss)) - return -1; - - if (request == ESD_PROTO_STREAM_MON) { - struct pa_sink* sink; - - if (!(sink = get_output_sink(c->protocol))) - return -1; - - if (!(source = sink->monitor_source)) - return -1; - } else { - assert(request == ESD_PROTO_STREAM_REC); - - if (!(source = get_input_source(c->protocol))) - return -1; - } - - strncpy(name, data + sizeof(int)*2, sizeof(name)); - name[sizeof(name)-1] = 0; - - pa_client_rename(c->client, name); - - assert(!c->output_memblockq); - - l = (size_t) (pa_bytes_per_second(&ss)*RECORD_BUFFER_SECONDS); - c->output_memblockq = pa_memblockq_new(l, 0, pa_sample_size(&ss), 0, 0); - assert(c->output_memblockq); - pa_iochannel_socket_set_sndbuf(c->io, l/RECORD_BUFFER_FRAGMENTS*2); - - assert(!c->source_output); - c->source_output = pa_source_output_new(source, name, &ss); - assert(c->source_output); - - c->source_output->owner = c->protocol->module; - c->source_output->client = c->client; - c->source_output->push = source_output_push_cb; - c->source_output->kill = source_output_kill_cb; - c->source_output->userdata = c; - - c->state = ESD_STREAMING_DATA; - - c->protocol->n_player++; - - return 0; -} - -static int esd_proto_get_latency(struct connection *c, esd_proto_t request, const void *data, size_t length) { - struct pa_sink *sink; - int latency, *lag; - assert(c && !data && length == 0); - - if (!(sink = get_output_sink(c->protocol))) - latency = 0; - else { - float usec = pa_sink_get_latency(sink); - usec += PLAYBACK_BUFFER_SECONDS*1000000; /* A better estimation would be a good idea! */ - latency = (int) ((usec*44100)/1000000); - } - - lag = connection_write(c, sizeof(int)); - assert(lag); - *lag = c->swap_byte_order ? swap_endian_32(latency) : latency; - return 0; -} - -static int esd_proto_server_info(struct connection *c, esd_proto_t request, const void *data, size_t length) { - int rate = 44100, format = ESD_STEREO|ESD_BITS16; - int *response; - struct pa_sink *sink; - assert(c && data && length == sizeof(int)); - - if ((sink = get_output_sink(c->protocol))) { - rate = sink->sample_spec.rate; - format = (sink->sample_spec.format == PA_SAMPLE_U8) ? ESD_BITS8 : ESD_BITS16; - format |= (sink->sample_spec.channels >= 2) ? ESD_STEREO : ESD_MONO; - } - - response = connection_write(c, sizeof(int)*3); - assert(response); - *(response++) = 0; - *(response++) = maybe_swap_endian_32(c->swap_byte_order, rate); - *(response++) = maybe_swap_endian_32(c->swap_byte_order, format); - return 0; -} - -static int esd_proto_all_info(struct connection *c, esd_proto_t request, const void *data, size_t length) { - void *response; - size_t t, k, s; - struct connection *conn; - size_t index = PA_IDXSET_INVALID; - assert(c && data && length == sizeof(int)); - - if (esd_proto_server_info(c, request, data, length) < 0) - return -1; - - k = sizeof(int)*5+ESD_NAME_MAX; - s = sizeof(int)*6+ESD_NAME_MAX; - response = connection_write(c, (t = s+k*(c->protocol->n_player+1))); - assert(k); - - for (conn = pa_idxset_first(c->protocol->connections, &index); conn; conn = pa_idxset_next(c->protocol->connections, &index)) { - int format = ESD_BITS16 | ESD_STEREO, rate = 44100, volume = 0xFF; - - if (conn->state != ESD_STREAMING_DATA) - continue; - - assert(t >= s+k+k); - - if (conn->sink_input) { - rate = conn->sink_input->sample_spec.rate; - volume = (conn->sink_input->volume*0xFF)/0x100; - format = (conn->sink_input->sample_spec.format == PA_SAMPLE_U8) ? ESD_BITS8 : ESD_BITS16; - format |= (conn->sink_input->sample_spec.channels >= 2) ? ESD_STEREO : ESD_MONO; - } - - /* id */ - *((int*) response) = maybe_swap_endian_32(c->swap_byte_order, (int) conn->index); - response += sizeof(int); - - /* name */ - assert(conn->client); - strncpy(response, conn->client->name, ESD_NAME_MAX); - response += ESD_NAME_MAX; - - /* rate */ - *((int*) response) = maybe_swap_endian_32(c->swap_byte_order, rate); - response += sizeof(int); - - /* left */ - *((int*) response) = maybe_swap_endian_32(c->swap_byte_order, volume); - response += sizeof(int); - - /*right*/ - *((int*) response) = maybe_swap_endian_32(c->swap_byte_order, volume); - response += sizeof(int); - - /*format*/ - *((int*) response) = maybe_swap_endian_32(c->swap_byte_order, format); - response += sizeof(int); - - t-= k; - } - - assert(t == s+k); - memset(response, 0, t); - return 0; -} - -static int esd_proto_stream_pan(struct connection *c, esd_proto_t request, const void *data, size_t length) { - int *ok; - uint32_t index, volume; - struct connection *conn; - assert(c && data && length == sizeof(int)*3); - - index = (uint32_t) maybe_swap_endian_32(c->swap_byte_order, *(int*)data); - volume = (uint32_t) maybe_swap_endian_32(c->swap_byte_order, *((int*)data + 1)); - volume = (volume*0x100)/0xFF; - - ok = connection_write(c, sizeof(int)); - assert(ok); - - if ((conn = pa_idxset_get_by_index(c->protocol->connections, index))) { - assert(conn->sink_input); - conn->sink_input->volume = volume; - *ok = 1; - } else - *ok = 0; - - return 0; -} - -/*** client callbacks ***/ - -static void client_kill_cb(struct pa_client *c) { - assert(c && c->userdata); - connection_free(c->userdata); -} - -/*** pa_iochannel callbacks ***/ - -static int do_read(struct connection *c) { - assert(c && c->io); - - if (c->state == ESD_NEXT_REQUEST) { - ssize_t r; - assert(c->read_data_length < sizeof(c->request)); - - if ((r = pa_iochannel_read(c->io, ((void*) &c->request) + c->read_data_length, sizeof(c->request) - c->read_data_length)) <= 0) { - fprintf(stderr, "protocol-esound.c: read() failed: %s\n", r == 0 ? "EOF" : strerror(errno)); - return -1; - } - - if ((c->read_data_length+= r) >= sizeof(c->request)) { - struct proto_handler *handler; - - if (c->swap_byte_order) - c->request = swap_endian_32(c->request); - - if (c->request < ESD_PROTO_CONNECT || c->request > ESD_PROTO_MAX) { - fprintf(stderr, "protocol-esound.c: recieved invalid request.\n"); - return -1; - } - - handler = proto_map+c->request; - - if (!handler->proc) { - fprintf(stderr, "protocol-sound.c: recieved unimplemented request.\n"); - return -1; - } - - if (handler->data_length == 0) { - c->read_data_length = 0; - - if (handler->proc(c, c->request, NULL, 0) < 0) - return -1; - - } else { - if (c->read_data_alloc < handler->data_length) - c->read_data = realloc(c->read_data, c->read_data_alloc = handler->data_length); - assert(c->read_data); - - c->state = ESD_NEEDS_REQDATA; - c->read_data_length = 0; - } - } - - } else if (c->state == ESD_NEEDS_REQDATA) { - ssize_t r; - struct proto_handler *handler = proto_map+c->request; - - assert(handler->proc); - - assert(c->read_data && c->read_data_length < handler->data_length); - - if ((r = pa_iochannel_read(c->io, c->read_data + c->read_data_length, handler->data_length - c->read_data_length)) <= 0) { - fprintf(stderr, "protocol-esound.c: read() failed: %s\n", r == 0 ? "EOF" : strerror(errno)); - return -1; - } - - if ((c->read_data_length+= r) >= handler->data_length) { - size_t l = c->read_data_length; - assert(handler->proc); - - c->state = ESD_NEXT_REQUEST; - c->read_data_length = 0; - - if (handler->proc(c, c->request, c->read_data, l) < 0) - return -1; - } - } else if (c->state == ESD_STREAMING_DATA && c->sink_input) { - struct pa_memchunk chunk; - ssize_t r; - size_t l; - - assert(c->input_memblockq); - - if (!(l = pa_memblockq_missing(c->input_memblockq))) - return 0; - - if (l > c->playback.fragment_size) - l = c->playback.fragment_size; - - if (c->playback.current_memblock) - 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; - } - - if (!c->playback.current_memblock) { - c->playback.current_memblock = pa_memblock_new(c->playback.fragment_size*2); - assert(c->playback.current_memblock && c->playback.current_memblock->length >= l); - c->playback.memblock_index = 0; - } - - if ((r = pa_iochannel_read(c->io, c->playback.current_memblock->data+c->playback.memblock_index, l)) <= 0) { - fprintf(stderr, __FILE__": read() failed: %s\n", r == 0 ? "EOF" : strerror(errno)); - return -1; - } - - chunk.memblock = c->playback.current_memblock; - chunk.index = c->playback.memblock_index; - chunk.length = r; - assert(chunk.memblock); - - c->playback.memblock_index += r; - - assert(c->input_memblockq); - pa_memblockq_push_align(c->input_memblockq, &chunk, 0); - assert(c->sink_input); - pa_sink_notify(c->sink_input->sink); - - } - - return 0; -} - -static int do_write(struct connection *c) { - assert(c && c->io); - - if (c->write_data_length) { - ssize_t r; - - assert(c->write_data_index < c->write_data_length); - if ((r = pa_iochannel_write(c->io, c->write_data+c->write_data_index, c->write_data_length-c->write_data_index)) < 0) { - fprintf(stderr, __FILE__": write() failed: %s\n", strerror(errno)); - return -1; - } - - if ((c->write_data_index +=r) >= c->write_data_length) - c->write_data_length = c->write_data_index = 0; - - } else if (c->state == ESD_STREAMING_DATA && c->source_output) { - struct pa_memchunk chunk; - ssize_t r; - - assert(c->output_memblockq); - if (pa_memblockq_peek(c->output_memblockq, &chunk) < 0) - return 0; - - assert(chunk.memblock && chunk.length); - - if ((r = pa_iochannel_write(c->io, chunk.memblock->data+chunk.index, chunk.length)) < 0) { - pa_memblock_unref(chunk.memblock); - fprintf(stderr, __FILE__": write(): %s\n", strerror(errno)); - return -1; - } - - pa_memblockq_drop(c->output_memblockq, r); - pa_memblock_unref(chunk.memblock); - } - - return 0; -} - -static void do_work(struct connection *c) { - assert(c); - - assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->enable_fixed); - c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 0); - - if (pa_iochannel_is_hungup(c->io)) - goto fail; - - if (pa_iochannel_is_writable(c->io)) - if (do_write(c) < 0) - goto fail; - - if (pa_iochannel_is_readable(c->io)) - if (do_read(c) < 0) - goto fail; - - return; - -fail: - connection_free(c); -} - -static void io_callback(struct pa_iochannel*io, void *userdata) { - struct connection *c = userdata; - assert(io && c && c->io == io); - - do_work(c); -} - -/*** fixed callback ***/ - -static void fixed_callback(struct pa_mainloop_api*a, void *id, void *userdata) { - struct connection *c = userdata; - assert(a && c && c->fixed_source == id); - - do_work(c); -} - -/*** sink_input callbacks ***/ - -static int sink_input_peek_cb(struct pa_sink_input *i, struct pa_memchunk *chunk) { - struct connection*c; - assert(i && i->userdata && chunk); - c = i->userdata; - - if (pa_memblockq_peek(c->input_memblockq, chunk) < 0) - return -1; - - return 0; -} - -static void sink_input_drop_cb(struct pa_sink_input *i, size_t length) { - struct connection*c = i->userdata; - assert(i && c && length); - - pa_memblockq_drop(c->input_memblockq, length); - - /* do something */ - assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->enable_fixed); - c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 1); -} - -static void sink_input_kill_cb(struct pa_sink_input *i) { - assert(i && i->userdata); - connection_free((struct connection *) i->userdata); -} - - -static uint32_t sink_input_get_latency_cb(struct pa_sink_input *i) { - struct connection*c = i->userdata; - assert(i && c); - return pa_samples_usec(pa_memblockq_get_length(c->input_memblockq), &c->sink_input->sample_spec); -} - -/*** source_output callbacks ***/ - -static void source_output_push_cb(struct pa_source_output *o, const struct pa_memchunk *chunk) { - struct connection *c = o->userdata; - assert(o && c && chunk); - - pa_memblockq_push(c->output_memblockq, chunk, 0); - - /* do something */ - assert(c->protocol && c->protocol->core && c->protocol->core->mainloop && c->protocol->core->mainloop->enable_fixed); - c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 1); -} - -static void source_output_kill_cb(struct pa_source_output *o) { - assert(o && o->userdata); - connection_free((struct connection *) o->userdata); -} - -/*** socket server callback ***/ - -static void on_connection(struct pa_socket_server*s, struct pa_iochannel *io, void *userdata) { - struct connection *c; - char cname[256]; - assert(s && io && userdata); - - c = malloc(sizeof(struct connection)); - assert(c); - c->protocol = userdata; - c->io = io; - pa_iochannel_set_callback(c->io, io_callback, c); - - pa_iochannel_socket_peer_to_string(io, cname, sizeof(cname)); - assert(c->protocol->core); - c->client = pa_client_new(c->protocol->core, "ESOUND", cname); - assert(c->client); - c->client->owner = c->protocol->module; - c->client->kill = client_kill_cb; - c->client->userdata = c; - - c->authorized = c->protocol->public; - c->swap_byte_order = 0; - - c->read_data_length = 0; - c->read_data = malloc(c->read_data_alloc = proto_map[ESD_PROTO_CONNECT].data_length); - assert(c->read_data); - - c->write_data_length = c->write_data_index = c->write_data_alloc = 0; - c->write_data = NULL; - - c->state = ESD_NEEDS_REQDATA; - c->request = ESD_PROTO_CONNECT; - - c->sink_input = NULL; - c->input_memblockq = NULL; - - c->source_output = NULL; - c->output_memblockq = NULL; - - c->playback.current_memblock = NULL; - c->playback.memblock_index = 0; - c->playback.fragment_size = 0; - - c->fixed_source = c->protocol->core->mainloop->source_fixed(c->protocol->core->mainloop, fixed_callback, c); - assert(c->fixed_source); - c->protocol->core->mainloop->enable_fixed(c->protocol->core->mainloop, c->fixed_source, 0); - - pa_idxset_put(c->protocol->connections, c, &c->index); -} - -/*** entry points ***/ - -struct pa_protocol_esound* pa_protocol_esound_new(struct pa_core*core, struct pa_socket_server *server, struct pa_module *m, struct pa_modargs *ma) { - uint32_t source_index, sink_index; - struct pa_protocol_esound *p; - assert(core && server && ma); - - if (pa_modargs_get_source_index(ma, core, &source_index) < 0) { - fprintf(stderr, __FILE__": source does not exist.\n"); - return NULL; - } - - if (pa_modargs_get_sink_index(ma, core, &sink_index) < 0) { - fprintf(stderr, __FILE__": sink does not exist.\n"); - return NULL; - } - p = malloc(sizeof(struct pa_protocol_esound)); - assert(p); - - if (pa_authkey_load_auto(pa_modargs_get_value(ma, "cookie", DEFAULT_COOKIE_FILE), p->esd_key, sizeof(p->esd_key)) < 0) { - free(p); - return NULL; - } - - p->module = m; - p->public = 0; - p->server = server; - pa_socket_server_set_callback(p->server, on_connection, p); - p->core = core; - p->connections = pa_idxset_new(NULL, NULL); - assert(p->connections); - p->sink_index = sink_index; - p->source_index = source_index; - p->n_player = 0; - - return p; -} - -void pa_protocol_esound_free(struct pa_protocol_esound *p) { - struct connection *c; - assert(p); - - while ((c = pa_idxset_first(p->connections, NULL))) - connection_free(c); - - pa_idxset_free(p->connections, NULL, NULL); - pa_socket_server_free(p->server); - free(p); -} -- cgit