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-rw-r--r--src/output/oss_plugin.c232
1 files changed, 125 insertions, 107 deletions
diff --git a/src/output/oss_plugin.c b/src/output/oss_plugin.c
index 23f0652aa..14d12e156 100644
--- a/src/output/oss_plugin.c
+++ b/src/output/oss_plugin.c
@@ -46,19 +46,19 @@
# define AFMT_S16_MPD AFMT_S16_LE
#endif
-typedef struct _OssData {
+struct oss_data {
int fd;
const char *device;
struct audio_format audio_format;
int bitFormat;
int *supported[3];
- int numSupported[3];
+ int num_supported[3];
int *unsupported[3];
- int numUnsupported[3];
+ int num_unsupported[3];
/** the mixer object associated with this output */
struct mixer *mixer;
-} OssData;
+};
enum oss_support {
OSS_SUPPORTED = 1,
@@ -73,7 +73,7 @@ enum oss_param {
};
static enum oss_param
-getIndexForParam(unsigned param)
+oss_param_from_ioctl(unsigned param)
{
enum oss_param idx = OSS_RATE;
@@ -92,20 +92,21 @@ getIndexForParam(unsigned param)
return idx;
}
-static int findSupportedParam(OssData * od, unsigned param, int val)
+static int
+oss_find_supported_param(struct oss_data *od, unsigned param, int val)
{
int i;
- enum oss_param idx = getIndexForParam(param);
+ enum oss_param idx = oss_param_from_ioctl(param);
- for (i = 0; i < od->numSupported[idx]; i++) {
+ for (i = 0; i < od->num_supported[idx]; i++)
if (od->supported[idx][i] == val)
return 1;
- }
return 0;
}
-static int canConvert(int idx, int val)
+static int
+oss_can_convert(int idx, int val)
{
switch (idx) {
case OSS_BITS:
@@ -121,22 +122,23 @@ static int canConvert(int idx, int val)
return 1;
}
-static int getSupportedParam(OssData * od, unsigned param, int val)
+static int
+oss_get_supported_param(struct oss_data *od, unsigned param, int val)
{
int i;
- enum oss_param idx = getIndexForParam(param);
+ enum oss_param idx = oss_param_from_ioctl(param);
int ret = -1;
int least = val;
int diff;
- for (i = 0; i < od->numSupported[idx]; i++) {
+ for (i = 0; i < od->num_supported[idx]; i++) {
diff = od->supported[idx][i] - val;
if (diff < 0)
diff = -diff;
if (diff < least) {
- if (!canConvert(idx, od->supported[idx][i])) {
+ if (!oss_can_convert(idx, od->supported[idx][i]))
continue;
- }
+
least = diff;
ret = od->supported[idx][i];
}
@@ -145,12 +147,13 @@ static int getSupportedParam(OssData * od, unsigned param, int val)
return ret;
}
-static int findUnsupportedParam(OssData * od, unsigned param, int val)
+static int
+oss_find_unsupported_param(struct oss_data *od, unsigned param, int val)
{
int i;
- enum oss_param idx = getIndexForParam(param);
+ enum oss_param idx = oss_param_from_ioctl(param);
- for (i = 0; i < od->numUnsupported[idx]; i++) {
+ for (i = 0; i < od->num_unsupported[idx]; i++) {
if (od->unsupported[idx][i] == val)
return 1;
}
@@ -158,103 +161,108 @@ static int findUnsupportedParam(OssData * od, unsigned param, int val)
return 0;
}
-static void addSupportedParam(OssData * od, unsigned param, int val)
+static void
+oss_add_supported_param(struct oss_data *od, unsigned param, int val)
{
- enum oss_param idx = getIndexForParam(param);
+ enum oss_param idx = oss_param_from_ioctl(param);
- od->numSupported[idx]++;
+ od->num_supported[idx]++;
od->supported[idx] = g_realloc(od->supported[idx],
- od->numSupported[idx] * sizeof(int));
- od->supported[idx][od->numSupported[idx] - 1] = val;
+ od->num_supported[idx] * sizeof(int));
+ od->supported[idx][od->num_supported[idx] - 1] = val;
}
-static void addUnsupportedParam(OssData * od, unsigned param, int val)
+static void
+oss_add_unsupported_param(struct oss_data *od, unsigned param, int val)
{
- enum oss_param idx = getIndexForParam(param);
+ enum oss_param idx = oss_param_from_ioctl(param);
- od->numUnsupported[idx]++;
+ od->num_unsupported[idx]++;
od->unsupported[idx] = g_realloc(od->unsupported[idx],
- od->numUnsupported[idx] *
+ od->num_unsupported[idx] *
sizeof(int));
- od->unsupported[idx][od->numUnsupported[idx] - 1] = val;
+ od->unsupported[idx][od->num_unsupported[idx] - 1] = val;
}
-static void removeSupportedParam(OssData * od, unsigned param, int val)
+static void
+oss_remove_supported_param(struct oss_data *od, unsigned param, int val)
{
int i;
int j = 0;
- enum oss_param idx = getIndexForParam(param);
+ enum oss_param idx = oss_param_from_ioctl(param);
- for (i = 0; i < od->numSupported[idx] - 1; i++) {
+ for (i = 0; i < od->num_supported[idx] - 1; i++) {
if (od->supported[idx][i] == val)
j = 1;
od->supported[idx][i] = od->supported[idx][i + j];
}
- od->numSupported[idx]--;
+ od->num_supported[idx]--;
od->supported[idx] = g_realloc(od->supported[idx],
- od->numSupported[idx] * sizeof(int));
+ od->num_supported[idx] * sizeof(int));
}
-static void removeUnsupportedParam(OssData * od, unsigned param, int val)
+static void
+oss_remove_unsupported_param(struct oss_data *od, unsigned param, int val)
{
int i;
int j = 0;
- enum oss_param idx = getIndexForParam(param);
+ enum oss_param idx = oss_param_from_ioctl(param);
- for (i = 0; i < od->numUnsupported[idx] - 1; i++) {
+ for (i = 0; i < od->num_unsupported[idx] - 1; i++) {
if (od->unsupported[idx][i] == val)
j = 1;
od->unsupported[idx][i] = od->unsupported[idx][i + j];
}
- od->numUnsupported[idx]--;
+ od->num_unsupported[idx]--;
od->unsupported[idx] = g_realloc(od->unsupported[idx],
- od->numUnsupported[idx] *
+ od->num_unsupported[idx] *
sizeof(int));
}
static enum oss_support
-isSupportedParam(OssData * od, unsigned param, int val)
+oss_param_is_supported(struct oss_data *od, unsigned param, int val)
{
- if (findSupportedParam(od, param, val))
+ if (oss_find_supported_param(od, param, val))
return OSS_SUPPORTED;
- if (findUnsupportedParam(od, param, val))
+ if (oss_find_unsupported_param(od, param, val))
return OSS_UNSUPPORTED;
return OSS_UNKNOWN;
}
-static void supportParam(OssData * od, unsigned param, int val)
+static void
+oss_set_supported(struct oss_data *od, unsigned param, int val)
{
- enum oss_support supported = isSupportedParam(od, param, val);
+ enum oss_support supported = oss_param_is_supported(od, param, val);
if (supported == OSS_SUPPORTED)
return;
- if (supported == OSS_UNSUPPORTED) {
- removeUnsupportedParam(od, param, val);
- }
+ if (supported == OSS_UNSUPPORTED)
+ oss_remove_unsupported_param(od, param, val);
- addSupportedParam(od, param, val);
+ oss_add_supported_param(od, param, val);
}
-static void unsupportParam(OssData * od, unsigned param, int val)
+static void
+oss_set_unsupported(struct oss_data *od, unsigned param, int val)
{
- enum oss_support supported = isSupportedParam(od, param, val);
+ enum oss_support supported = oss_param_is_supported(od, param, val);
if (supported == OSS_UNSUPPORTED)
return;
- if (supported == OSS_SUPPORTED) {
- removeSupportedParam(od, param, val);
- }
+ if (supported == OSS_SUPPORTED)
+ oss_remove_supported_param(od, param, val);
- addUnsupportedParam(od, param, val);
+ oss_add_unsupported_param(od, param, val);
}
-static OssData *newOssData(void)
+static struct oss_data *
+oss_data_new(void)
{
- OssData *ret = g_new(OssData, 1);
+ struct oss_data *ret = g_new(struct oss_data, 1);
ret->device = NULL;
ret->fd = -1;
@@ -266,22 +274,23 @@ static OssData *newOssData(void)
ret->unsupported[OSS_CHANNELS] = NULL;
ret->unsupported[OSS_BITS] = NULL;
- ret->numSupported[OSS_RATE] = 0;
- ret->numSupported[OSS_CHANNELS] = 0;
- ret->numSupported[OSS_BITS] = 0;
- ret->numUnsupported[OSS_RATE] = 0;
- ret->numUnsupported[OSS_CHANNELS] = 0;
- ret->numUnsupported[OSS_BITS] = 0;
+ ret->num_supported[OSS_RATE] = 0;
+ ret->num_supported[OSS_CHANNELS] = 0;
+ ret->num_supported[OSS_BITS] = 0;
+ ret->num_unsupported[OSS_RATE] = 0;
+ ret->num_unsupported[OSS_CHANNELS] = 0;
+ ret->num_unsupported[OSS_BITS] = 0;
- supportParam(ret, SNDCTL_DSP_SPEED, 48000);
- supportParam(ret, SNDCTL_DSP_SPEED, 44100);
- supportParam(ret, SNDCTL_DSP_CHANNELS, 2);
- supportParam(ret, SNDCTL_DSP_SAMPLESIZE, 16);
+ oss_set_supported(ret, SNDCTL_DSP_SPEED, 48000);
+ oss_set_supported(ret, SNDCTL_DSP_SPEED, 44100);
+ oss_set_supported(ret, SNDCTL_DSP_CHANNELS, 2);
+ oss_set_supported(ret, SNDCTL_DSP_SAMPLESIZE, 16);
return ret;
}
-static void freeOssData(OssData * od)
+static void
+oss_data_free(struct oss_data *od)
{
g_free(od->supported[OSS_RATE]);
g_free(od->supported[OSS_CHANNELS]);
@@ -301,7 +310,8 @@ static void freeOssData(OssData * od)
#define OSS_STAT_DOESN_T_EXIST -3
#define OSS_STAT_OTHER -4
-static int oss_statDevice(const char *device, int *stErrno)
+static int
+oss_stat_device(const char *device, int *errno_r)
{
struct stat st;
@@ -310,7 +320,7 @@ static int oss_statDevice(const char *device, int *stErrno)
return OSS_STAT_NOT_CHAR_DEV;
}
} else {
- *stErrno = errno;
+ *errno_r = errno;
switch (errno) {
case ENOENT:
@@ -328,7 +338,8 @@ static int oss_statDevice(const char *device, int *stErrno)
static const char *default_devices[] = { "/dev/sound/dsp", "/dev/dsp" };
-static bool oss_testDefault(void)
+static bool
+oss_output_test_default_device(void)
{
int fd, i;
@@ -344,16 +355,17 @@ static bool oss_testDefault(void)
return false;
}
-static void *oss_open_default(const struct config_param *param)
+static void *
+oss_open_default(const struct config_param *param)
{
int i;
int err[G_N_ELEMENTS(default_devices)];
int ret[G_N_ELEMENTS(default_devices)];
for (i = G_N_ELEMENTS(default_devices); --i >= 0; ) {
- ret[i] = oss_statDevice(default_devices[i], &err[i]);
+ ret[i] = oss_stat_device(default_devices[i], &err[i]);
if (ret[i] == 0) {
- OssData *od = newOssData();
+ struct oss_data *od = oss_data_new();
od->device = default_devices[i];
od->mixer = mixer_new(&oss_mixer, param);
return od;
@@ -388,12 +400,12 @@ static void *oss_open_default(const struct config_param *param)
}
static void *
-oss_initDriver(G_GNUC_UNUSED const struct audio_format *audio_format,
- const struct config_param *param)
+oss_output_init(G_GNUC_UNUSED const struct audio_format *audio_format,
+ const struct config_param *param)
{
const char *device = config_get_block_string(param, "device", NULL);
if (device != NULL) {
- OssData *od = newOssData();
+ struct oss_data *od = oss_data_new();
od->device = device;
od->mixer = mixer_new(&oss_mixer, param);
return od;
@@ -402,40 +414,42 @@ oss_initDriver(G_GNUC_UNUSED const struct audio_format *audio_format,
return oss_open_default(param);
}
-static void oss_finishDriver(void *data)
+static void
+oss_output_finish(void *data)
{
- OssData *od = data;
+ struct oss_data *od = data;
- freeOssData(od);
+ oss_data_free(od);
}
static struct mixer *
oss_get_mixer(void *data)
{
- OssData *od = data;
+ struct oss_data *od = data;
return od->mixer;
}
-static int setParam(OssData * od, unsigned param, int *value)
+static int
+oss_set_param(struct oss_data *od, unsigned param, int *value)
{
int val = *value;
int copy;
- enum oss_support supported = isSupportedParam(od, param, val);
+ enum oss_support supported = oss_param_is_supported(od, param, val);
do {
if (supported == OSS_UNSUPPORTED) {
- val = getSupportedParam(od, param, val);
+ val = oss_get_supported_param(od, param, val);
if (copy < 0)
return -1;
}
copy = val;
if (ioctl(od->fd, param, &copy)) {
- unsupportParam(od, param, val);
+ oss_set_unsupported(od, param, val);
supported = OSS_UNSUPPORTED;
} else {
if (supported == OSS_UNKNOWN) {
- supportParam(od, param, val);
+ oss_set_supported(od, param, val);
supported = OSS_SUPPORTED;
}
val = copy;
@@ -447,14 +461,16 @@ static int setParam(OssData * od, unsigned param, int *value)
return 0;
}
-static void oss_close(OssData * od)
+static void
+oss_close(struct oss_data *od)
{
if (od->fd >= 0)
while (close(od->fd) && errno == EINTR) ;
od->fd = -1;
}
-static bool oss_open(OssData *od)
+static bool
+oss_open(struct oss_data *od)
{
int tmp;
@@ -465,7 +481,7 @@ static bool oss_open(OssData *od)
}
tmp = od->audio_format.channels;
- if (setParam(od, SNDCTL_DSP_CHANNELS, &tmp)) {
+ if (oss_set_param(od, SNDCTL_DSP_CHANNELS, &tmp)) {
g_warning("OSS device \"%s\" does not support %u channels: %s\n",
od->device, od->audio_format.channels,
strerror(errno));
@@ -474,7 +490,7 @@ static bool oss_open(OssData *od)
od->audio_format.channels = tmp;
tmp = od->audio_format.sample_rate;
- if (setParam(od, SNDCTL_DSP_SPEED, &tmp)) {
+ if (oss_set_param(od, SNDCTL_DSP_SPEED, &tmp)) {
g_warning("OSS device \"%s\" does not support %u Hz audio: %s\n",
od->device, od->audio_format.sample_rate,
strerror(errno));
@@ -497,7 +513,7 @@ static bool oss_open(OssData *od)
break;
}
- if (setParam(od, SNDCTL_DSP_SAMPLESIZE, &tmp)) {
+ if (oss_set_param(od, SNDCTL_DSP_SAMPLESIZE, &tmp)) {
g_warning("OSS device \"%s\" does not support %u bit audio: %s\n",
od->device, tmp, strerror(errno));
goto fail;
@@ -511,18 +527,18 @@ fail:
}
static bool
-oss_openDevice(void *data, struct audio_format *audioFormat)
+oss_output_open(void *data, struct audio_format *audio_format)
{
bool ret;
- OssData *od = data;
+ struct oss_data *od = data;
- od->audio_format = *audioFormat;
+ od->audio_format = *audio_format;
ret = oss_open(od);
if (!ret)
return false;
- *audioFormat = od->audio_format;
+ *audio_format = od->audio_format;
g_debug("device \"%s\" will be playing %u bit %u channel audio at "
"%u Hz\n", od->device,
@@ -534,17 +550,19 @@ oss_openDevice(void *data, struct audio_format *audioFormat)
return ret;
}
-static void oss_closeDevice(void *data)
+static void
+oss_output_close(void *data)
{
- OssData *od = data;
+ struct oss_data *od = data;
oss_close(od);
mixer_close(od->mixer);
}
-static void oss_dropBufferedAudio(void *data)
+static void
+oss_output_cancel(void *data)
{
- OssData *od = data;
+ struct oss_data *od = data;
if (od->fd >= 0) {
ioctl(od->fd, SNDCTL_DSP_RESET, 0);
@@ -553,9 +571,9 @@ static void oss_dropBufferedAudio(void *data)
}
static size_t
-oss_playAudio(void *data, const void *chunk, size_t size)
+oss_output_play(void *data, const void *chunk, size_t size)
{
- OssData *od = data;
+ struct oss_data *od = data;
ssize_t ret;
/* reopen the device since it was closed by dropBufferedAudio */
@@ -575,14 +593,14 @@ oss_playAudio(void *data, const void *chunk, size_t size)
}
}
-const struct audio_output_plugin ossPlugin = {
+const struct audio_output_plugin oss_output_plugin = {
.name = "oss",
- .test_default_device = oss_testDefault,
- .init = oss_initDriver,
- .finish = oss_finishDriver,
+ .test_default_device = oss_output_test_default_device,
+ .init = oss_output_init,
+ .finish = oss_output_finish,
.get_mixer = oss_get_mixer,
- .open = oss_openDevice,
- .play = oss_playAudio,
- .cancel = oss_dropBufferedAudio,
- .close = oss_closeDevice,
+ .open = oss_output_open,
+ .close = oss_output_close,
+ .play = oss_output_play,
+ .cancel = oss_output_cancel,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 16:53:13 +0000