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提交 5e4911ff authored 作者: Moises Silva's avatar Moises Silva
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mod_portaudio: added XML parsing and CLI commands for configuration of streams

上级 b05965c8
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正在显示 包含 154 行增加 和 14 行删除
src/mod/endpoints/mod_portaudio/mod_portaudio.c
浏览文件 @ 5e4911ff
......@@ -45,6 +45,8 @@
#define MY_EVENT_ERROR_AUDIO_DEV "portaudio::audio_dev_error"
#define SWITCH_PA_CALL_ID_VARIABLE "pa_call_id"
#define MIN_STREAM_SAMPLE_RATE 8000
SWITCH_MODULE_LOAD_FUNCTION(mod_portaudio_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_portaudio_shutdown);
//SWITCH_MODULE_RUNTIME_FUNCTION(mod_portaudio_runtime);
......@@ -98,6 +100,18 @@ struct private_object {
typedef struct private_object private_t;
struct audio_stream {
int indev;
int outdev;
PABLIO_Stream *stream;
switch_timer_t write_timer;
struct audio_stream *next;
};
typedef struct audio_stream audio_stream_t;
/* Audio stream that can be shared across endpoints */
typedef struct _shared_audio_stream_t {
/*! Friendly name for this stream */
char name[255];
/*! Sampling rate */
int sample_rate;
/*! Buffer packetization (and therefore timing) */
......@@ -106,21 +120,24 @@ struct audio_stream {
int indev;
/*! The PA output device */
int outdev;
/*! How many channels to create (for both indev and outdev) */
int channels;
/*! The io stream helper to buffer audio */
PABLIO_Stream *stream;
/*! How often to write */
switch_timer_t write_timer;
/*! Next stream */
struct audio_stream *next;
};
typedef struct audio_stream audio_stream_t;
} shared_audio_stream_t;
/* Endpoint that can be called via portaudio/endpoint/<endpoint-name> */
typedef struct _audio_endpoint {
/*! Friendly name for this endpoint */
char name[255];
typedef struct audio_endpoint {
/*! Input stream for this endpoint */
audio_stream_t *in_stream;
shared_audio_stream_t *in_stream;
/*! Output stream for this endpoint */
audio_stream_t *out_stream;
shared_audio_stream_t *out_stream;
/*! Channel index within the input stream where we get the audio for this endpoint */
int inchan;
......@@ -161,6 +178,10 @@ static struct {
unsigned char cngbuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
private_t *call_list;
audio_stream_t *stream_list;
/*! Streams that can be used by multiple endpoints at the same time */
switch_hash_t *sh_streams;
/*! Endpoints configured */
switch_hash_t *endpoints;
int ring_interval;
GFLAGS flags;
switch_timer_t read_timer;
......@@ -994,12 +1015,14 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_portaudio_load)
memset(&globals, 0, sizeof(globals));
switch_core_hash_init(&globals.call_hash, module_pool);
switch_core_hash_init(&globals.sh_streams, module_pool);
switch_core_hash_init(&globals.endpoints, module_pool);
switch_mutex_init(&globals.device_lock, SWITCH_MUTEX_NESTED, module_pool);
switch_mutex_init(&globals.pvt_lock, SWITCH_MUTEX_NESTED, module_pool);
switch_mutex_init(&globals.streams_lock, SWITCH_MUTEX_NESTED, module_pool);
switch_mutex_init(&globals.flag_mutex, SWITCH_MUTEX_NESTED, module_pool);
switch_mutex_init(&globals.pa_mutex, SWITCH_MUTEX_NESTED, module_pool);
globals.codecs_inited=0;
globals.codecs_inited = 0;
globals.read_frame.data = globals.databuf;
globals.read_frame.buflen = sizeof(globals.databuf);
globals.cng_frame.data = globals.cngbuf;
......@@ -1078,16 +1101,106 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_portaudio_load)
switch_console_set_complete("add pa play");
switch_console_set_complete("add pa playdev");
switch_console_set_complete("add pa looptest");
switch_console_set_complete("add pa shstreams");
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
static int check_device(char *devstr, int check_input)
{
int devval;
if (devstr[0] == '#') {
devval = get_dev_by_number(devstr + 1, check_input);
} else {
devval = get_dev_by_name(devstr, check_input);
}
return devval;
}
static switch_status_t load_streams(switch_xml_t streams)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
switch_xml_t param, mystream;
for (mystream = switch_xml_child(streams, "stream"); mystream; mystream = mystream->next) {
shared_audio_stream_t *stream = NULL;
int devval = -1;
char *stream_name = (char *) switch_xml_attr_soft(mystream, "name");
/* check if that stream name is not already used */
stream = switch_core_hash_find(globals.sh_streams, stream_name);
if (stream) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "A stream with name '%s' already exists\n", stream_name);
continue;
}
stream = switch_core_alloc(module_pool, sizeof(*stream));
if (!stream) {
continue;
}
stream->indev = -1;
stream->outdev = -1;
switch_snprintf(stream->name, sizeof(stream->name), "%s", stream_name);
for (param = switch_xml_child(mystream, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Parsing stream '%s' parameter %s = %s\n", stream_name, var, val);
if (!strcmp(var, "indev")) {
devval = check_device(val, 1);
if (devval < 0) {
stream->indev = -1;
continue;
}
stream->indev = devval;
} else if (!strcmp(var, "outdev")) {
devval = check_device(val, 0);
if (devval < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Invalid outdev specified for stream '%s'\n", stream_name);
stream->outdev = -1;
continue;
}
stream->outdev = devval;
} else if (!strcmp(var, "sample-rate")) {
stream->sample_rate = atoi(val);
if (stream->sample_rate < MIN_STREAM_SAMPLE_RATE) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Invalid sample rate specified for stream '%s', forcing to 8000\n", stream_name);
stream->sample_rate = MIN_STREAM_SAMPLE_RATE;
}
} else if (!strcmp(var, "codec-ms")) {
int tmp = atoi(val);
if (switch_check_interval(stream->sample_rate, tmp)) {
stream->codec_ms = tmp;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
"codec-ms must be multiple of 10 and less than %d, Using default of 20\n", SWITCH_MAX_INTERVAL);
}
} else if (!strcmp(var, "channels")) {
stream->channels = atoi(val);
if (stream->channels < 1) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Invalid number of channels specified for stream '%s', forcing to 1\n", stream_name);
stream->channels = 1;
}
}
}
if (stream->indev < 0 && stream->outdev < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"You need at least one device for stream '%s'\n", stream_name);
continue;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE,
"Created stream '%s', sample-rate = %d, codec-ms = %d\n", stream->name, stream->sample_rate, stream->codec_ms);
switch_core_hash_insert(globals.sh_streams, stream->name, stream);
}
return status;
}
static switch_status_t load_config(void)
{
char *cf = "portaudio.conf";
switch_xml_t cfg, xml, settings, param;
switch_xml_t cfg, xml, settings, streams, param;
switch_status_t status = SWITCH_STATUS_SUCCESS;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
......@@ -1182,6 +1295,10 @@ static switch_status_t load_config(void)
}
}
if ((streams = switch_xml_child(cfg, "streams"))) {
load_streams(streams);
}
if (!globals.dialplan) {
set_global_dialplan("XML");
}
......@@ -1246,6 +1363,8 @@ SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_portaudio_shutdown)
Pa_Terminate();
switch_core_hash_destroy(&globals.call_hash);
switch_core_hash_destroy(&globals.sh_streams);
switch_core_hash_destroy(&globals.endpoints);
switch_event_free_subclass(MY_EVENT_RINGING);
switch_event_free_subclass(MY_EVENT_MAKE_CALL);
......@@ -1744,12 +1863,12 @@ static audio_stream_t *create_audio_stream(int indev, int outdev)
switch_event_t *event;
audio_stream_t *stream;
stream = malloc(sizeof(audio_stream_t));
stream = malloc(sizeof(*stream));
if (stream == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Unable to alloc memory\n");
return NULL;
}
memset(stream, 0, sizeof(audio_stream_t));
memset(stream, 0, sizeof(*stream));
stream->next = NULL;
stream->stream = NULL;
stream->indev = indev;
......@@ -1840,6 +1959,24 @@ static switch_status_t dtmf_call(char **argv, int argc, switch_stream_handle_t *
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t list_shared_streams(char **argv, int argc, switch_stream_handle_t *stream)
{
switch_hash_index_t *hi;
int cnt = 0;
for (hi = switch_hash_first(NULL, globals.sh_streams); hi; hi = switch_hash_next(hi)) {
const void *var;
void *val;
shared_audio_stream_t *s = NULL;
switch_hash_this(hi, &var, NULL, &val);
s = val;
stream->write_function(stream, "%s> outdev: %d, indev: %d, sample-rate: %d, codec-ms: %d, channels: %d\n",
s->name, s->indev, s->outdev, s->sample_rate, s->codec_ms, s->channels);
cnt++;
}
stream->write_function(stream, "Total streams: %d\n", cnt);
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t close_streams(char **argv, int argc, switch_stream_handle_t *stream)
{
if (globals.call_list) {
......@@ -2409,6 +2546,7 @@ SWITCH_STANDARD_API(pa_cmd)
"pa playdev #<num> [ringtest|<filename>] [seconds] [no_close]\n"
"pa ringfile [filename]\n"
"pa looptest\n"
"pa shstreams\n"
"--------------------------------------------------------------------------------\n";
......@@ -2533,6 +2671,8 @@ SWITCH_STANDARD_API(pa_cmd)
func = looptest;
} else if (!strcasecmp(argv[0], "ringfile")) {
func = set_ringfile;
} else if (!strcasecmp(argv[0], "shstreams")) {
func = list_shared_streams;
} else {
stream->write_function(stream, "Unknown Command or not enough args [%s]\n", argv[0]);
}
......
src/mod/endpoints/mod_portaudio/pablio.h
浏览文件 @ 5e4911ff
......@@ -65,8 +65,8 @@ typedef struct {
int do_dual;
int has_in;
int has_out;
PaUtilRingBuffer inFIFOs[2];
PaUtilRingBuffer outFIFOs[2];
PaUtilRingBuffer inFIFOs[MAX_IO_CHANNELS];
PaUtilRingBuffer outFIFOs[MAX_IO_CHANNELS];
int channelCount;
} PABLIO_Stream;
......
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