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#include "audioOutput.h"
#include "list.h"
#include "log.h"
#include <string.h>
#define AUDIO_OUTPUT_TYPE "type"
#define AUDIO_OUTPUT_NAME "name"
static List * audioOutputPluginList;
void loadAudioOutputPlugin(AudioOutputPlugin * audioOutputPlugin) {
insertInList(audioOutputPluginList, audioOutputPlugin->name,
audioOutputPlugin);
}
void unloadAudioOutputPlugin(AudioOutputPlugin * audioOutputPlugin) {
deleteFromList(audioOutputPluginList, audioOutputPlugin->name);
}
void initAudioOutputPlugins() {
audioOutputPluginList = makeList(NULL);
}
void finishAudioOutputPlugins() {
freeList(audioOutputPluginList);
}
#define getBlockParam(name, str) { \
BlockParam * bp; \
bp = getBlockParam(param, name); \
if(bp == NULL) { \
ERROR("couldn't find parameter \"%s\" in audio output " \
"definition begining at %i\n", \
name, param->line); \
exit(EXIT_FAILURE); \
} \
str = bp->value; \
}
AudioOutput * newAudioOutput(ConfigParam * param) {
AudioOutput * ret = NULL;
void * data = NULL;
char * name = NULL;
char * type = NULL;
getBlockParam(AUDIO_OUTPUT_NAME, name);
getBlockParam(AUDIO_OUTPUT_TYPE, type);
if(findInList(audioOutputPluginList, type, &data)) {
AudioOutputPlugin * plugin = (AudioOutputPlugin *) data;
ret = malloc(sizeof(AudioOutput));
ret->name = strdup(name);
ret->type = strdup(type);
ret->finishDriverFunc = plugin->finishDriverFunc;
ret->openDeviceFunc = plugin->openDeviceFunc;
ret->playFunc = plugin->playFunc;
ret->closeDeviceFunc = plugin->closeDeviceFunc;
ret->sendMetdataFunc = plugin->sendMetdataFunc;
ret->open = 0;
if(plugin->initDriverFunc(ret, param) != 0) {
free(ret);
ret = NULL;
}
}
else {
ERROR("couldn't find audio output plugin for type \"%s\" at "
"line %i", type, param->line);
exit(EXIT_FAILURE);
}
return ret;
}
int openAudioOutput(AudioOutput * audioOutput, AudioFormat * audioFormat) {
if(audioOutput->open) closeAudioOutput(audioOutput);
return audioOutput->openDeviceFunc(audioOutput, audioFormat);
}
int playAudioOutput(AudioOutput * audioOutput, char * playChunk, int size) {
if(!audioOutput->open) return -1;
return audioOutput->playFunc(audioOutput, playChunk, size);
}
void closeAudioOutput(AudioOutput * audioOutput) {
if(audioOutput->open) audioOutput->closeDeviceFunc(audioOutput);
}
void finishAudioOutput(AudioOutput * audioOutput) {
closeAudioOutput(audioOutput);
audioOutput->finishDriverFunc(audioOutput);
free(audioOutput);
}
void sendMetadataToAudioOutput(AudioOutput * audioOutput, MpdTag * tag) {
if(!audioOutput->sendMetdataFunc) return;
audioOutput->sendMetdataFunc(audioOutput, tag);
}
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