6d7e6a8581
git-svn-id: https://svn.musicpd.org/mpd/trunk@2455 09075e82-0dd4-0310-85a5-a0d7c8717e4f
590 lines
13 KiB
C
590 lines
13 KiB
C
/* the Music Player Daemon (MPD)
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* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
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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 "../config.h"
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#include "audioOutput.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 "sig_handlers.h"
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#include "pcm_utils.h"
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <signal.h>
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#include <shout/shout.h>
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#include <vorbis/vorbisenc.h>
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#include <vorbis/codec.h>
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static int shoutInitCount = 0;
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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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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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AudioFormat outAudioFormat;
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AudioFormat inAudioFormat;
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char * convBuffer;
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size_t convBufferLen;
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/* shoud we convert the audio to a different format? */
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int audioFormatConvert;
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int opened;
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MpdTag * tag;
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int tagToSend;
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} ShoutData;
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static ShoutData * newShoutData() {
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ShoutData * ret = malloc(sizeof(ShoutData));
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ret->shoutConn = shout_new();
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ret->convBuffer = NULL;
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ret->convBufferLen = 0;
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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 = -1.0;
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return ret;
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}
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static void freeShoutData(ShoutData * sd) {
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if(sd->shoutConn) shout_free(sd->shoutConn);
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if(sd->tag) freeMpdTag(sd->tag);
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if(sd->convBuffer) free(sd->convBuffer);
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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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ERROR("no \"%s\" defined for shout device defined at line " \
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"%i\n", name, param->line); \
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exit(EXIT_FAILURE); \
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} \
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}
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static int myShout_initDriver(AudioOutput * audioOutput, ConfigParam * param) {
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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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sd = newShoutData();
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if(shoutInitCount == 0) 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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ERROR("shout port \"%s\" is not a positive integer, line %i\n",
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blockParam->value, blockParam->line);
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exit(EXIT_FAILURE);
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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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checkBlockParam("user");
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user = blockParam->value;
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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 < 0.0 || sd->quality > 10.0) {
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ERROR("shout quality \"%s\" is not a number in the "
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"rage 0-10, line %i\n", blockParam->value,
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blockParam->line);
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exit(EXIT_FAILURE);
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}
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blockParam = getBlockParam(param, "bitrate");
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if(blockParam) {
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ERROR("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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exit(EXIT_FAILURE);
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}
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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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ERROR("neither bitrate nor quality defined for shout "
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"output at line %i\n", param->line);
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exit(EXIT_FAILURE);
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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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ERROR("bitrate at line %i should be a positve integer "
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"\n", blockParam->line);
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exit(EXIT_FAILURE);
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}
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}
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checkBlockParam("format");
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if(0 != parseAudioConfig(&(sd->outAudioFormat), blockParam->value)) {
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ERROR("error parsing format at line %i\n", blockParam->line);
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exit(EXIT_FAILURE);
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}
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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_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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{
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ERROR("error configuring shout: %s\n",
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shout_get_error(sd->shoutConn));
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exit(EXIT_FAILURE);
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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->outAudioFormat.channels);
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shout_set_audio_info(sd->shoutConn, SHOUT_AI_CHANNELS, temp);
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snprintf(temp, sizeof(temp), "%d",
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sd->outAudioFormat.sampleRate);
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shout_set_audio_info(sd->shoutConn, SHOUT_AI_SAMPLERATE, temp);
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if(sd->quality >= 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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}
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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 void finishEncoder(ShoutData * sd) {
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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 void flushEncoder(ShoutData * sd) {
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while(1 == ogg_stream_pageout(&sd->os, &sd->og));
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}*/
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static void clearEncoder(ShoutData * sd) {
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/*finishEncoder(sd);
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flushEncoder(sd);*/
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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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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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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) shout_shutdown();
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}
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static void myShout_closeDevice(AudioOutput * audioOutput) {
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audioOutput->open = 0;
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}
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static int myShout_handleError(ShoutData * sd, int err) {
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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\n");
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return -1;
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default:
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ERROR("shout: error: %s\n", shout_get_error(sd->shoutConn));
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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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shout_sync(sd->shoutConn);
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int err = shout_send(sd->shoutConn, sd->og.header, sd->og.header_len);
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if(myShout_handleError(sd, err) < 0) 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) return -1;
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/*shout_sync(sd->shoutConn);*/
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return 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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if(sd->tag) {
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addTag("ARTIST", sd->tag->artist);
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addTag("ALBUM", sd->tag->album);
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addTag("TITLE", sd->tag->title);
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}
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}
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static int initEncoder(ShoutData * sd) {
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vorbis_info_init(&(sd->vi));
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if(sd->quality >= 0) {
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if( 0 != vorbis_encode_init_vbr(&(sd->vi),
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sd->outAudioFormat.channels,
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sd->outAudioFormat.sampleRate, sd->quality*0.1) )
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{
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ERROR("problem seting 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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else {
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if( 0 != vorbis_encode_setup_managed(&(sd->vi),
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sd->outAudioFormat.channels,
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sd->outAudioFormat.sampleRate, -1.0,
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sd->bitrate*1000, -1.0) )
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{
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ERROR("problem seting 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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if(0 != vorbis_encode_setup_init(&(sd->vi))) {
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ERROR("problem seting 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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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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ShoutData * sd = (ShoutData *)audioOutput->data;
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if(shout_open(sd->shoutConn) != SHOUTERR_SUCCESS)
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{
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ERROR("problem opening connection to shout server: %s\n",
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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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copyTagToVorbisComment(sd);
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vorbis_analysis_headerout(&(sd->vd), &(sd->vc), &(sd->header_main),
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&(sd->header_comments), &(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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{
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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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/*if(sd->tag) freeMpdTag(sd->tag);
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sd->tag = NULL;*/
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return 0;
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}
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static int myShout_openDevice(AudioOutput * audioOutput,
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AudioFormat * audioFormat)
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{
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ShoutData * sd = (ShoutData *)audioOutput->data;
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memcpy(&(sd->inAudioFormat), audioFormat, sizeof(AudioFormat));
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if(0 == memcmp(&(sd->inAudioFormat), &(sd->outAudioFormat),
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sizeof(AudioFormat)))
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{
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sd->audioFormatConvert = 0;
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}
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else sd->audioFormatConvert = 1;
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audioOutput->open = 1;
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if(sd->opened) return 0;
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if(myShout_openShoutConn(audioOutput) < 0) {
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audioOutput->open = 0;
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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 void myShout_convertAudioFormat(ShoutData * sd, char ** chunkArgPtr,
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int * sizeArgPtr)
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{
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int size = pcm_sizeOfOutputBufferForAudioFormatConversion(
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&(sd->inAudioFormat), *sizeArgPtr,
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&(sd->outAudioFormat));
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if(size > sd->convBufferLen) {
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sd->convBuffer = realloc(sd->convBuffer, size);
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sd->convBufferLen = size;
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}
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pcm_convertAudioFormat(&(sd->inAudioFormat), *chunkArgPtr, *sizeArgPtr,
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&(sd->outAudioFormat), sd->convBuffer);
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*sizeArgPtr = size;
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*chunkArgPtr = sd->convBuffer;
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}
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static void myShout_sendMetadata(ShoutData * sd) {
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ogg_int64_t granulepos = sd->vd.granulepos;
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if(!sd->opened || !sd->tag) return;
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clearEncoder(sd);
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if(initEncoder(sd) < 0) return;
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sd->vd.granulepos = granulepos;
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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), &(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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while(ogg_stream_flush(&(sd->os), &(sd->og)))
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{
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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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/*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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static int myShout_play(AudioOutput * audioOutput, char * playChunk, int size) {
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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->outAudioFormat.bits/8;
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if(sd->opened && sd->tagToSend) myShout_sendMetadata(sd);
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if(!sd->opened) {
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if(myShout_openShoutConn(audioOutput) < 0) {
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return -1;
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}
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}
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if(sd->audioFormatConvert) {
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myShout_convertAudioFormat(sd, &playChunk, &size);
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}
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samples = size/(bytes*sd->outAudioFormat.channels);
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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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for(i=0; i<samples; i++) {
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for(j=0; j<sd->outAudioFormat.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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}
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vorbis_analysis_wrote(&(sd->vd), samples);
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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));
|
|
|
|
while(vorbis_bitrate_flushpacket(&(sd->vd), &(sd->op))) {
|
|
ogg_stream_packetin(&(sd->os), &(sd->op));
|
|
}
|
|
}
|
|
|
|
|
|
while(ogg_stream_pageout(&(sd->os), &(sd->og)) != 0) {
|
|
if(write_page(sd) < 0) {
|
|
myShout_closeShoutConn(sd);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
AudioOutputPlugin shoutPlugin =
|
|
{
|
|
"shout",
|
|
myShout_initDriver,
|
|
myShout_finishDriver,
|
|
myShout_openDevice,
|
|
myShout_play,
|
|
myShout_closeDevice,
|
|
myShout_setTag
|
|
};
|
|
|
|
#else
|
|
|
|
#include <stdlib.h>
|
|
|
|
AudioOutputPlugin shoutPlugin =
|
|
{
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
#endif
|