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Diffstat (limited to 'src/audioOutputs/audioOutput_ao.c')
-rw-r--r--src/audioOutputs/audioOutput_ao.c183
1 files changed, 93 insertions, 90 deletions
diff --git a/src/audioOutputs/audioOutput_ao.c b/src/audioOutputs/audioOutput_ao.c
index 8251eeb21..eb7f1349a 100644
--- a/src/audioOutputs/audioOutput_ao.c
+++ b/src/audioOutputs/audioOutput_ao.c
@@ -34,122 +34,120 @@ static int driverInitCount = 0;
typedef struct _AoData {
int writeSize;
int driverId;
- ao_option * options;
- ao_device * device;
+ ao_option *options;
+ ao_device *device;
} AoData;
-static AoData * newAoData() {
- AoData * ret = malloc(sizeof(AoData));
+static AoData *newAoData()
+{
+ AoData *ret = malloc(sizeof(AoData));
ret->device = NULL;
ret->options = NULL;
return ret;
}
-static void audioOutputAo_error() {
- if(errno==AO_ENOTLIVE) {
+static void audioOutputAo_error()
+{
+ if (errno == AO_ENOTLIVE) {
ERROR("not a live ao device\n");
- }
- else if(errno==AO_EOPENDEVICE) {
+ } else if (errno == AO_EOPENDEVICE) {
ERROR("not able to open audio device\n");
- }
- else if(errno==AO_EBADOPTION) {
+ } else if (errno == AO_EBADOPTION) {
ERROR("bad driver option\n");
}
}
static int audioOutputAo_initDriver(AudioOutput * audioOutput,
- ConfigParam * param)
+ ConfigParam * param)
{
- ao_info * ai;
- char * dup;
- char * stk1;
- char * stk2;
- char * n1;
- char * key;
- char * value;
- char * test;
- AoData * ad = newAoData();
- BlockParam * blockParam;
+ ao_info *ai;
+ char *dup;
+ char *stk1;
+ char *stk2;
+ char *n1;
+ char *key;
+ char *value;
+ char *test;
+ AoData *ad = newAoData();
+ BlockParam *blockParam;
audioOutput->data = ad;
- if((blockParam = getBlockParam(param, "write_size"))) {
+ if ((blockParam = getBlockParam(param, "write_size"))) {
ad->writeSize = strtol(blockParam->value, &test, 10);
- if (*test!='\0') {
+ if (*test != '\0') {
ERROR("\"%s\" is not a valid write size at line %i\n",
- blockParam->value, blockParam->line);
+ blockParam->value, blockParam->line);
exit(EXIT_FAILURE);
}
- }
- else ad->writeSize = 1024;
+ } else
+ ad->writeSize = 1024;
- if(driverInitCount == 0) {
+ if (driverInitCount == 0) {
ao_initialize();
}
driverInitCount++;
blockParam = getBlockParam(param, "driver");
- if(!blockParam || 0 == strcmp(blockParam->value,"default")) {
+ if (!blockParam || 0 == strcmp(blockParam->value, "default")) {
ad->driverId = ao_default_driver_id();
- }
- else if((ad->driverId =
- ao_driver_id(blockParam->value))<0) {
+ } else if ((ad->driverId = ao_driver_id(blockParam->value)) < 0) {
ERROR("\"%s\" is not a valid ao driver at line %i\n",
- blockParam->value, blockParam->line);
+ blockParam->value, blockParam->line);
exit(EXIT_FAILURE);
}
-
- if((ai = ao_driver_info(ad->driverId))==NULL) {
+
+ if ((ai = ao_driver_info(ad->driverId)) == NULL) {
ERROR("problems getting driver info for device defined at "
- "line %i\n", param->line);
+ "line %i\n", param->line);
ERROR("you may not have permission to the audio device\n");
exit(EXIT_FAILURE);
}
- DEBUG("using ao driver \"%s\" for \"%s\"\n", ai->short_name,
- audioOutput->name);
+ DEBUG("using ao driver \"%s\" for \"%s\"\n", ai->short_name,
+ audioOutput->name);
blockParam = getBlockParam(param, "options");
- if(blockParam) {
+ if (blockParam) {
dup = strdup(blockParam->value);
- }
- else dup = strdup("");
+ } else
+ dup = strdup("");
- if(strlen(dup)) {
+ if (strlen(dup)) {
stk1 = NULL;
- n1 = strtok_r(dup,";",&stk1);
- while(n1) {
+ n1 = strtok_r(dup, ";", &stk1);
+ while (n1) {
stk2 = NULL;
- key = strtok_r(n1,"=",&stk2);
- if(!key) {
+ key = strtok_r(n1, "=", &stk2);
+ if (!key) {
ERROR("problems parsing "
- "ao_driver_options \"%s\"\n", n1);
+ "ao_driver_options \"%s\"\n", n1);
exit(EXIT_FAILURE);
}
/*found = 0;
- for(i=0;i<ai->option_count;i++) {
- if(strcmp(ai->options[i],key)==0) {
- found = 1;
- break;
- }
- }
- if(!found) {
- ERROR("\"%s\" is not an option for "
- "\"%s\" ao driver\n",key,
- ai->short_name);
- exit(EXIT_FAILURE);
- }*/
- value = strtok_r(NULL,"",&stk2);
- if(!value) {
+ for(i=0;i<ai->option_count;i++) {
+ if(strcmp(ai->options[i],key)==0) {
+ found = 1;
+ break;
+ }
+ }
+ if(!found) {
+ ERROR("\"%s\" is not an option for "
+ "\"%s\" ao driver\n",key,
+ ai->short_name);
+ exit(EXIT_FAILURE);
+ } */
+ value = strtok_r(NULL, "", &stk2);
+ if (!value) {
ERROR("problems parsing "
- "ao_driver_options \"%s\"\n", n1);
+ "ao_driver_options \"%s\"\n", n1);
exit(EXIT_FAILURE);
}
- ao_append_option(&ad->options,key,value);
- n1 = strtok_r(NULL,";",&stk1);
+ ao_append_option(&ad->options, key, value);
+ n1 = strtok_r(NULL, ";", &stk1);
}
}
free(dup);
@@ -157,28 +155,33 @@ static int audioOutputAo_initDriver(AudioOutput * audioOutput,
return 0;
}
-static void freeAoData(AoData * ad) {
+static void freeAoData(AoData * ad)
+{
ao_free_options(ad->options);
free(ad);
}
-static void audioOutputAo_finishDriver(AudioOutput * audioOutput) {
- AoData * ad = (AoData *)audioOutput->data;
+static void audioOutputAo_finishDriver(AudioOutput * audioOutput)
+{
+ AoData *ad = (AoData *) audioOutput->data;
freeAoData(ad);
driverInitCount--;
- if(driverInitCount == 0) ao_shutdown();
+ if (driverInitCount == 0)
+ ao_shutdown();
}
-static void audioOutputAo_dropBufferedAudio(AudioOutput * audioOutput) {
+static void audioOutputAo_dropBufferedAudio(AudioOutput * audioOutput)
+{
/* not supported by libao */
}
-static void audioOutputAo_closeDevice(AudioOutput * audioOutput) {
- AoData * ad = (AoData *) audioOutput->data;
+static void audioOutputAo_closeDevice(AudioOutput * audioOutput)
+{
+ AoData *ad = (AoData *) audioOutput->data;
- if(ad->device) {
+ if (ad->device) {
ao_close(ad->device);
ad->device = NULL;
}
@@ -186,11 +189,12 @@ static void audioOutputAo_closeDevice(AudioOutput * audioOutput) {
audioOutput->open = 0;
}
-static int audioOutputAo_openDevice(AudioOutput * audioOutput) {
+static int audioOutputAo_openDevice(AudioOutput * audioOutput)
+{
ao_sample_format format;
- AoData * ad = (AoData *)audioOutput->data;
+ AoData *ad = (AoData *) audioOutput->data;
- if(ad->device) {
+ if (ad->device) {
audioOutputAo_closeDevice(audioOutput);
}
@@ -201,41 +205,41 @@ static int audioOutputAo_openDevice(AudioOutput * audioOutput) {
ad->device = ao_open_live(ad->driverId, &format, ad->options);
- if(ad->device==NULL) return -1;
+ if (ad->device == NULL)
+ return -1;
audioOutput->open = 1;
return 0;
}
-
-static int audioOutputAo_play(AudioOutput * audioOutput, char * playChunk,
- int size)
+static int audioOutputAo_play(AudioOutput * audioOutput, char *playChunk,
+ int size)
{
int send;
- AoData * ad = (AoData *)audioOutput->data;
+ AoData *ad = (AoData *) audioOutput->data;
+
+ if (ad->device == NULL)
+ return -1;
- if(ad->device==NULL) return -1;
-
- while(size>0) {
+ while (size > 0) {
send = ad->writeSize > size ? size : ad->writeSize;
-
- if(ao_play(ad->device, playChunk, send)==0) {
+
+ if (ao_play(ad->device, playChunk, send) == 0) {
audioOutputAo_error();
ERROR("closing audio device due to write error\n");
audioOutputAo_closeDevice(audioOutput);
return -1;
}
- playChunk+=send;
- size-=send;
+ playChunk += send;
+ size -= send;
}
return 0;
}
-AudioOutputPlugin aoPlugin =
-{
+AudioOutputPlugin aoPlugin = {
"ao",
NULL,
audioOutputAo_initDriver,
@@ -244,7 +248,7 @@ AudioOutputPlugin aoPlugin =
audioOutputAo_play,
audioOutputAo_dropBufferedAudio,
audioOutputAo_closeDevice,
- NULL, /* sendMetadataFunc */
+ NULL, /* sendMetadataFunc */
};
#else
@@ -252,5 +256,4 @@ AudioOutputPlugin aoPlugin =
#include <stdio.h>
DISABLED_AUDIO_OUTPUT_PLUGIN(aoPlugin)
-
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 16:32:03 +0000