8de17dbed0
if the clock ticks right after we get the start time and the timeout is only one second, we'll still wait a full second instead of returning immediately. git-svn-id: https://svn.musicpd.org/mpd/trunk@6557 09075e82-0dd4-0310-85a5-a0d7c8717e4f
649 lines
15 KiB
C
649 lines
15 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "../audioOutput.h"
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#include <stdlib.h>
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#ifdef HAVE_SHOUT
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#include "../conf.h"
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#include "../log.h"
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#include "../pcm_utils.h"
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#include <string.h>
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#include <time.h>
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#include <shout/shout.h>
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#include <vorbis/vorbisenc.h>
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#define CONN_ATTEMPT_INTERVAL 60
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#define DEFAULT_CONN_TIMEOUT 2
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static int shoutInitCount;
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/* lots of this code blatantly stolent from bossogg/bossao2 */
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typedef struct _ShoutData {
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shout_t *shoutConn;
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int shoutError;
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ogg_stream_state os;
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ogg_page og;
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ogg_packet op;
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ogg_packet header_main;
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ogg_packet header_comments;
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ogg_packet header_codebooks;
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vorbis_dsp_state vd;
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vorbis_block vb;
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vorbis_info vi;
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vorbis_comment vc;
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float quality;
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int bitrate;
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int opened;
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MpdTag *tag;
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int tagToSend;
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int timeout;
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int connAttempts;
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time_t lastAttempt;
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/* just a pointer to audioOutput->outAudioFormat */
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AudioFormat *audioFormat;
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} ShoutData;
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static ShoutData *newShoutData(void)
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{
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ShoutData *ret = xmalloc(sizeof(ShoutData));
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ret->shoutConn = shout_new();
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ret->opened = 0;
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ret->tag = NULL;
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ret->tagToSend = 0;
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ret->bitrate = -1;
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ret->quality = -2.0;
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ret->timeout = DEFAULT_CONN_TIMEOUT;
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ret->connAttempts = 0;
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ret->lastAttempt = 0;
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ret->audioFormat = NULL;
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return ret;
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}
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static void freeShoutData(ShoutData * sd)
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{
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if (sd->shoutConn)
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shout_free(sd->shoutConn);
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if (sd->tag)
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freeMpdTag(sd->tag);
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free(sd);
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}
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#define checkBlockParam(name) { \
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blockParam = getBlockParam(param, name); \
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if (!blockParam) { \
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FATAL("no \"%s\" defined for shout device defined at line " \
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"%i\n", name, param->line); \
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} \
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}
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static int myShout_initDriver(AudioOutput * audioOutput, ConfigParam * param)
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{
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ShoutData *sd;
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char *test;
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int port;
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char *host;
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char *mount;
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char *passwd;
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char *user;
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char *name;
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BlockParam *blockParam;
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unsigned int public = 0;
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sd = newShoutData();
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if (shoutInitCount == 0)
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shout_init();
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shoutInitCount++;
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checkBlockParam("host");
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host = blockParam->value;
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checkBlockParam("mount");
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mount = blockParam->value;
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checkBlockParam("port");
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port = strtol(blockParam->value, &test, 10);
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if (*test != '\0' || port <= 0) {
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FATAL("shout port \"%s\" is not a positive integer, line %i\n",
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blockParam->value, blockParam->line);
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}
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checkBlockParam("password");
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passwd = blockParam->value;
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checkBlockParam("name");
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name = blockParam->value;
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blockParam = getBlockParam(param, "public");
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if (blockParam) {
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if (0 == strcmp(blockParam->value, "yes")) {
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public = 1;
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} else if (0 == strcmp(blockParam->value, "no")) {
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public = 0;
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} else {
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FATAL("public \"%s\" is not \"yes\" or \"no\" at line "
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"%i\n", param->value, param->line);
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}
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}
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blockParam = getBlockParam(param, "user");
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if (blockParam)
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user = blockParam->value;
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else
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user = "source";
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blockParam = getBlockParam(param, "quality");
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if (blockParam) {
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int line = blockParam->line;
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sd->quality = strtod(blockParam->value, &test);
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if (*test != '\0' || sd->quality < -1.0 || sd->quality > 10.0) {
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FATAL("shout quality \"%s\" is not a number in the "
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"range -1 to 10, line %i\n", blockParam->value,
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blockParam->line);
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}
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blockParam = getBlockParam(param, "bitrate");
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if (blockParam) {
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FATAL("quality (line %i) and bitrate (line %i) are "
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"both defined for shout output\n", line,
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blockParam->line);
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}
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} else {
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blockParam = getBlockParam(param, "bitrate");
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if (!blockParam) {
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FATAL("neither bitrate nor quality defined for shout "
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"output at line %i\n", param->line);
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}
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sd->bitrate = strtol(blockParam->value, &test, 10);
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if (*test != '\0' || sd->bitrate <= 0) {
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FATAL("bitrate at line %i should be a positive integer "
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"\n", blockParam->line);
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}
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}
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checkBlockParam("format");
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sd->audioFormat = &audioOutput->outAudioFormat;
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if (shout_set_host(sd->shoutConn, host) != SHOUTERR_SUCCESS ||
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shout_set_port(sd->shoutConn, port) != SHOUTERR_SUCCESS ||
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shout_set_password(sd->shoutConn, passwd) != SHOUTERR_SUCCESS ||
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shout_set_mount(sd->shoutConn, mount) != SHOUTERR_SUCCESS ||
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shout_set_name(sd->shoutConn, name) != SHOUTERR_SUCCESS ||
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shout_set_user(sd->shoutConn, user) != SHOUTERR_SUCCESS ||
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shout_set_public(sd->shoutConn, public) != SHOUTERR_SUCCESS ||
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shout_set_nonblocking(sd->shoutConn, 1) != SHOUTERR_SUCCESS ||
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shout_set_format(sd->shoutConn, SHOUT_FORMAT_VORBIS)
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!= SHOUTERR_SUCCESS ||
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shout_set_protocol(sd->shoutConn, SHOUT_PROTOCOL_HTTP)
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!= SHOUTERR_SUCCESS ||
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shout_set_agent(sd->shoutConn, "MPD") != SHOUTERR_SUCCESS) {
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FATAL("error configuring shout defined at line %i: %s\n",
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param->line, shout_get_error(sd->shoutConn));
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}
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/* optional paramters */
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blockParam = getBlockParam(param, "timeout");
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if (blockParam) {
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sd->timeout = strtod(blockParam->value, &test);
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if (*test != '\0' || sd->timeout <= 0) {
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FATAL("shout timeout is not a positive integer, "
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"line %i\n", blockParam->line);
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}
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}
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blockParam = getBlockParam(param, "genre");
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if (blockParam && shout_set_genre(sd->shoutConn, blockParam->value)) {
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FATAL("error configuring shout defined at line %i: %s\n",
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param->line, shout_get_error(sd->shoutConn));
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}
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blockParam = getBlockParam(param, "description");
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if (blockParam && shout_set_description(sd->shoutConn,
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blockParam->value)) {
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FATAL("error configuring shout defined at line %i: %s\n",
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param->line, shout_get_error(sd->shoutConn));
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}
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{
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char temp[11];
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memset(temp, 0, sizeof(temp));
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snprintf(temp, sizeof(temp), "%d", sd->audioFormat->channels);
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shout_set_audio_info(sd->shoutConn, SHOUT_AI_CHANNELS, temp);
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snprintf(temp, sizeof(temp), "%d", sd->audioFormat->sampleRate);
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shout_set_audio_info(sd->shoutConn, SHOUT_AI_SAMPLERATE, temp);
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if (sd->quality >= -1.0) {
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snprintf(temp, sizeof(temp), "%2.2f", sd->quality);
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shout_set_audio_info(sd->shoutConn, SHOUT_AI_QUALITY,
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temp);
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} else {
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snprintf(temp, sizeof(temp), "%d", sd->bitrate);
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shout_set_audio_info(sd->shoutConn, SHOUT_AI_BITRATE,
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temp);
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}
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}
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audioOutput->data = sd;
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return 0;
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}
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static int myShout_handleError(ShoutData * sd, int err)
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{
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switch (err) {
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case SHOUTERR_SUCCESS:
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break;
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case SHOUTERR_UNCONNECTED:
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case SHOUTERR_SOCKET:
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ERROR("Lost shout connection to %s:%i: %s\n",
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shout_get_host(sd->shoutConn),
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shout_get_port(sd->shoutConn),
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shout_get_error(sd->shoutConn));
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sd->shoutError = 1;
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return -1;
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default:
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ERROR("shout: connection to %s:%i error: %s\n",
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shout_get_host(sd->shoutConn),
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shout_get_port(sd->shoutConn),
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shout_get_error(sd->shoutConn));
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sd->shoutError = 1;
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return -1;
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}
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return 0;
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}
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static int write_page(ShoutData * sd)
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{
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int err = 0;
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shout_sync(sd->shoutConn);
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err = shout_send(sd->shoutConn, sd->og.header, sd->og.header_len);
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if (myShout_handleError(sd, err) < 0)
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return -1;
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err = shout_send(sd->shoutConn, sd->og.body, sd->og.body_len);
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if (myShout_handleError(sd, err) < 0)
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return -1;
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return 0;
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}
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static void finishEncoder(ShoutData * sd)
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{
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vorbis_analysis_wrote(&sd->vd, 0);
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while (vorbis_analysis_blockout(&sd->vd, &sd->vb) == 1) {
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vorbis_analysis(&sd->vb, NULL);
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vorbis_bitrate_addblock(&sd->vb);
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while (vorbis_bitrate_flushpacket(&sd->vd, &sd->op)) {
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ogg_stream_packetin(&sd->os, &sd->op);
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}
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}
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}
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static int flushEncoder(ShoutData * sd)
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{
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return (ogg_stream_pageout(&sd->os, &sd->og) > 0);
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}
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static void clearEncoder(ShoutData * sd)
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{
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finishEncoder(sd);
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while (1 == flushEncoder(sd)) {
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if (!sd->shoutError)
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write_page(sd);
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}
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vorbis_comment_clear(&sd->vc);
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ogg_stream_clear(&sd->os);
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vorbis_block_clear(&sd->vb);
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vorbis_dsp_clear(&sd->vd);
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vorbis_info_clear(&sd->vi);
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}
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static void myShout_closeShoutConn(ShoutData * sd)
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{
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if (sd->opened) {
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clearEncoder(sd);
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if (shout_close(sd->shoutConn) != SHOUTERR_SUCCESS) {
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ERROR("problem closing connection to shout server: "
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"%s\n", shout_get_error(sd->shoutConn));
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}
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}
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sd->opened = 0;
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}
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static void myShout_finishDriver(AudioOutput * audioOutput)
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{
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ShoutData *sd = (ShoutData *) audioOutput->data;
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myShout_closeShoutConn(sd);
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freeShoutData(sd);
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shoutInitCount--;
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if (shoutInitCount == 0)
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shout_shutdown();
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}
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static void myShout_dropBufferedAudio(AudioOutput * audioOutput)
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{
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/* needs to be implemented */
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}
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static void myShout_closeDevice(AudioOutput * audioOutput)
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{
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ShoutData *sd = (ShoutData *) audioOutput->data;
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myShout_closeShoutConn(sd);
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audioOutput->open = 0;
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}
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#define addTag(name, value) { \
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if(value) vorbis_comment_add_tag(&(sd->vc), name, value); \
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}
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static void copyTagToVorbisComment(ShoutData * sd)
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{
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if (sd->tag) {
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int i;
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for (i = 0; i < sd->tag->numOfItems; i++) {
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switch (sd->tag->items[i].type) {
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case TAG_ITEM_ARTIST:
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addTag("ARTIST", sd->tag->items[i].value);
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break;
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case TAG_ITEM_ALBUM:
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addTag("ALBUM", sd->tag->items[i].value);
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break;
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case TAG_ITEM_TITLE:
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addTag("TITLE", sd->tag->items[i].value);
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break;
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}
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}
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}
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}
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static int initEncoder(ShoutData * sd)
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{
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vorbis_info_init(&(sd->vi));
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if (sd->quality >= -1.0) {
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if (0 != vorbis_encode_init_vbr(&(sd->vi),
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sd->audioFormat->channels,
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sd->audioFormat->sampleRate,
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sd->quality * 0.1)) {
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ERROR("problem setting up vorbis encoder for shout\n");
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vorbis_info_clear(&(sd->vi));
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return -1;
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}
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} else {
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if (0 != vorbis_encode_init(&(sd->vi),
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sd->audioFormat->channels,
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sd->audioFormat->sampleRate, -1.0,
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sd->bitrate * 1000, -1.0)) {
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ERROR("problem setting up vorbis encoder for shout\n");
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vorbis_info_clear(&(sd->vi));
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return -1;
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}
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}
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vorbis_analysis_init(&(sd->vd), &(sd->vi));
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vorbis_block_init(&(sd->vd), &(sd->vb));
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ogg_stream_init(&(sd->os), rand());
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vorbis_comment_init(&(sd->vc));
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return 0;
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}
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static int myShout_openShoutConn(AudioOutput * audioOutput)
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{
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ShoutData *sd = (ShoutData *) audioOutput->data;
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time_t t = time(NULL);
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int state;
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if (sd->connAttempts != 0 &&
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(t - sd->lastAttempt) <= CONN_ATTEMPT_INTERVAL) {
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return -1;
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}
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sd->connAttempts++;
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sd->lastAttempt = t;
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state = shout_open(sd->shoutConn);
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while (state == SHOUTERR_BUSY && (t - sd->lastAttempt) <= sd->timeout) {
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my_usleep(10000);
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state = shout_get_connected(sd->shoutConn);
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t = time(NULL);
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}
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switch (state) {
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case SHOUTERR_SUCCESS:
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case SHOUTERR_CONNECTED:
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break;
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case SHOUTERR_BUSY:
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ERROR("timeout connecting to shout server %s:%i "
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"(attempt %i)\n",
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shout_get_host(sd->shoutConn),
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shout_get_port(sd->shoutConn),
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sd->connAttempts);
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shout_close(sd->shoutConn);
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return -1;
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default:
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ERROR("problem opening connection to shout server %s:%i "
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"(attempt %i): %s\n",
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shout_get_host(sd->shoutConn),
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shout_get_port(sd->shoutConn),
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sd->connAttempts, shout_get_error(sd->shoutConn));
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return -1;
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}
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if (initEncoder(sd) < 0) {
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shout_close(sd->shoutConn);
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return -1;
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}
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sd->shoutError = 0;
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copyTagToVorbisComment(sd);
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vorbis_analysis_headerout(&(sd->vd), &(sd->vc), &(sd->header_main),
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&(sd->header_comments),
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&(sd->header_codebooks));
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ogg_stream_packetin(&(sd->os), &(sd->header_main));
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ogg_stream_packetin(&(sd->os), &(sd->header_comments));
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ogg_stream_packetin(&(sd->os), &(sd->header_codebooks));
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sd->opened = 1;
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sd->tagToSend = 0;
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while (ogg_stream_flush(&(sd->os), &(sd->og))) {
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if (write_page(sd) < 0) {
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myShout_closeShoutConn(sd);
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return -1;
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}
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}
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sd->connAttempts = 0;
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return 0;
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}
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static int myShout_openDevice(AudioOutput * audioOutput)
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{
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ShoutData *sd = (ShoutData *) audioOutput->data;
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if (!sd->opened && myShout_openShoutConn(audioOutput) < 0)
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return -1;
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audioOutput->open = 1;
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return 0;
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}
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static void myShout_sendMetadata(ShoutData * sd)
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{
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if (!sd->opened || !sd->tag)
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return;
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clearEncoder(sd);
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if (initEncoder(sd) < 0)
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return;
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copyTagToVorbisComment(sd);
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vorbis_analysis_headerout(&(sd->vd), &(sd->vc), &(sd->header_main),
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&(sd->header_comments),
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&(sd->header_codebooks));
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ogg_stream_packetin(&(sd->os), &(sd->header_main));
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ogg_stream_packetin(&(sd->os), &(sd->header_comments));
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ogg_stream_packetin(&(sd->os), &(sd->header_codebooks));
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|
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while (ogg_stream_flush(&(sd->os), &(sd->og))) {
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if (write_page(sd) < 0) {
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myShout_closeShoutConn(sd);
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return;
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}
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}
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|
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/*if(sd->tag) freeMpdTag(sd->tag);
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sd->tag = NULL; */
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sd->tagToSend = 0;
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}
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|
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static int myShout_play(AudioOutput * audioOutput, char *playChunk, int size)
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{
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int i, j;
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ShoutData *sd = (ShoutData *) audioOutput->data;
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float **vorbbuf;
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int samples;
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int bytes = sd->audioFormat->bits / 8;
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|
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if (sd->opened && sd->tagToSend)
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myShout_sendMetadata(sd);
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|
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if (!sd->opened && myShout_openShoutConn(audioOutput) < 0) {
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myShout_closeDevice(audioOutput);
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return -1;
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}
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|
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samples = size / (bytes * sd->audioFormat->channels);
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|
|
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/* this is for only 16-bit audio */
|
|
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vorbbuf = vorbis_analysis_buffer(&(sd->vd), samples);
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|
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for (i = 0; i < samples; i++) {
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for (j = 0; j < sd->audioFormat->channels; j++) {
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vorbbuf[j][i] = (*((mpd_sint16 *) playChunk)) / 32768.0;
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playChunk += bytes;
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}
|
|
}
|
|
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vorbis_analysis_wrote(&(sd->vd), samples);
|
|
|
|
while (1 == vorbis_analysis_blockout(&(sd->vd), &(sd->vb))) {
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vorbis_analysis(&(sd->vb), NULL);
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|
vorbis_bitrate_addblock(&(sd->vb));
|
|
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while (vorbis_bitrate_flushpacket(&(sd->vd), &(sd->op))) {
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ogg_stream_packetin(&(sd->os), &(sd->op));
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}
|
|
}
|
|
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while (ogg_stream_pageout(&(sd->os), &(sd->og)) != 0) {
|
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if (write_page(sd) < 0) {
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myShout_closeDevice(audioOutput);
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return -1;
|
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}
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|
}
|
|
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return 0;
|
|
}
|
|
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static void myShout_setTag(AudioOutput * audioOutput, MpdTag * tag)
|
|
{
|
|
ShoutData *sd = (ShoutData *) audioOutput->data;
|
|
|
|
if (sd->tag)
|
|
freeMpdTag(sd->tag);
|
|
sd->tag = NULL;
|
|
sd->tagToSend = 0;
|
|
|
|
if (!tag)
|
|
return;
|
|
|
|
sd->tag = mpdTagDup(tag);
|
|
sd->tagToSend = 1;
|
|
}
|
|
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|
AudioOutputPlugin shoutPlugin = {
|
|
"shout",
|
|
NULL,
|
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myShout_initDriver,
|
|
myShout_finishDriver,
|
|
myShout_openDevice,
|
|
myShout_play,
|
|
myShout_dropBufferedAudio,
|
|
myShout_closeDevice,
|
|
myShout_setTag,
|
|
};
|
|
|
|
#else
|
|
|
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DISABLED_AUDIO_OUTPUT_PLUGIN(shoutPlugin)
|
|
#endif
|