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replicant-device_samsung_galaxys2-common
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Code Issues Releases Activity

Mixer: Handle write element 

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
This commit is contained in:
Paul Kocialkowski 2013-05-18 20:42:01 +02:00 committed by sakindia123
parent 0df8e7bc89
commit 3f21abe309
1 changed files with 74 additions and 0 deletions
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74
tinyalsa_audio/mixer.c
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@ -20,6 +20,7 @@
#define LOG_TAG "TinyALSA-Audio Mixer"
#include <fcntl.h>
#include <errno.h>
#include <pthread.h>
#include <stdint.h>
@ -496,6 +497,43 @@ void tinyalsa_mixer_config_start(void *data, const XML_Char *elem,
}
}
if(mixer_data->name != NULL && mixer_data->value != NULL) {
if(*config_data->list_start == NULL) {
*config_data->list_start = list;
} else {
config_data->list->next = list;
list->prev = config_data->list;
}
config_data->list = list;
} else {
tinyalsa_mixer_data_free(mixer_data);
list_head_free(list);
}
} else if(strcmp(elem, "write") == 0) {
if(config_data->device != NULL && config_data->list_start != NULL) {
list = list_head_alloc();
mixer_data = tinyalsa_mixer_data_alloc();
mixer_data->type = MIXER_DATA_TYPE_WRITE;
list->data = (void *) mixer_data;
} else {
LOGE("Missing device/path for elem: %s", elem);
return;
}
for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) {
if(strcmp(attr[i], "name") == 0) {
i++;
mixer_data->name = strdup((char *) attr[i]);
} else if(strcmp(attr[i], "value") == 0) {
i++;
mixer_data->value = strdup((char *) attr[i]);
} else {
LOGE("Unknown write attr: %s", attr[i]);
}
}
if(mixer_data->name != NULL && mixer_data->value != NULL) {
if(*config_data->list_start == NULL) {
*config_data->list_start = list;
@ -704,6 +742,36 @@ int tinyalsa_mixer_set_route_ctrl(struct tinyalsa_mixer *mixer,
return 0;
}
int tinyalsa_mixer_set_route_write(struct tinyalsa_mixer *mixer,
struct tinyalsa_mixer_data *mixer_data)
{
char *buffer = NULL;
int fd;
if(mixer_data->type != MIXER_DATA_TYPE_WRITE)
return -1;
LOGD("Writing %s to %s", mixer_data->value, mixer_data->name);
asprintf(&buffer, "%s\n", mixer_data->value);
if(buffer == NULL)
return -1;
fd = open(mixer_data->name, O_WRONLY);
if(fd < 0) {
free(buffer);
return -1;
}
write(fd, buffer, strlen(buffer) + 1);
free(buffer);
close(fd);
return 0;
}
int tinyalsa_mixer_set_route_list(struct tinyalsa_mixer *mixer, struct list_head *list)
{
struct tinyalsa_mixer_data *mixer_data = NULL;
@ -726,6 +794,12 @@ int tinyalsa_mixer_set_route_list(struct tinyalsa_mixer *mixer, struct list_head
return -1;
}
}
} else if(mixer_data->type == MIXER_DATA_TYPE_WRITE) {
rc = tinyalsa_mixer_set_route_write(mixer, mixer_data);
if(rc < 0) {
LOGE("Unable to write!");
return -1;
}
}
if(list->next != NULL)