int dlen;
FILE *fp;
size_t samplerate;
- uint8_t thread_running;
uint8_t shout_init;
uint32_t prebuf;
int lame_ready;
switch_size_t mp3buflen;
switch_thread_rwlock_t *rwlock;
int buffer_seconds;
+ switch_thread_t *read_stream_thread;
+ switch_thread_t *write_stream_thread;
+ curl_socket_t curlfd;
};
typedef struct shout_context shout_context_t;
static inline void free_context(shout_context_t *context)
{
size_t ret;
+ switch_status_t st;
if (context) {
switch_mutex_lock(context->audio_mutex);
switch_mutex_unlock(context->audio_mutex);
if (context->stream_url) {
- int sanity = 0;
-
- while (context->thread_running) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Waiting for stream to terminate: %s\n", context->stream_url);
- switch_yield(500000);
- if (++sanity > 10) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Giving up waiting for stream to terminate: %s\n", context->stream_url);
- break;
- }
+ if (context->curlfd > -1) {
+ shutdown(context->curlfd, 2);
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Waiting for stream to terminate: %s\n", context->stream_url);
+ if (context->read_stream_thread) {
+ switch_thread_join(&st, context->read_stream_thread);
}
}
+ if (context->write_stream_thread) {
+ switch_thread_join(&st, context->write_stream_thread);
+ }
+
switch_thread_rwlock_wrlock(context->rwlock);
if (context->mh) {
uint32_t buf_size = 1024 * 128; /* do not make this 64 or less, stutter will ensue after first 64k buffer is dry */
switch_size_t used;
+ if (context->err) {
+ goto error;
+ }
+
if (!context->stream_channels) {
long rate = 0;
int channels = 0;
switch_yield(500000);
}
+ if (context->err) {
+ goto error;
+ }
+
if (mpg123_feed(context->mh, ptr, realsize) != MPG123_OK) {
goto error;
}
return 0;
}
+static int progress_callback(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
+{
+ shout_context_t *context = (shout_context_t *) clientp;
+ return context->err;
+}
+
+
+static int sockopt_callback(void *clientp, curl_socket_t curlfd,
+ curlsocktype purpose)
+{
+ shout_context_t *context = (shout_context_t *) clientp;
+
+ context->curlfd = curlfd;
+
+ return CURL_SOCKOPT_OK;
+}
#define MY_BUF_LEN 1024 * 32
#define MY_BLOCK_SIZE MY_BUF_LEN
shout_context_t *context = (shout_context_t *) obj;
switch_thread_rwlock_rdlock(context->rwlock);
-
+ context->curlfd = -1;
curl_handle = switch_curl_easy_init();
switch_curl_easy_setopt(curl_handle, CURLOPT_URL, context->stream_url);
+ curl_easy_setopt(curl_handle, CURLOPT_PROGRESSFUNCTION, progress_callback);
+ curl_easy_setopt(curl_handle, CURLOPT_PROGRESSDATA, (void *)context);
switch_curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1);
switch_curl_easy_setopt(curl_handle, CURLOPT_MAXREDIRS, 10);
switch_curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, stream_callback);
switch_curl_easy_setopt(curl_handle, CURLOPT_LOW_SPEED_LIMIT, 100); /* handle trickle connections */
switch_curl_easy_setopt(curl_handle, CURLOPT_LOW_SPEED_TIME, 30);
switch_curl_easy_setopt(curl_handle, CURLOPT_ERRORBUFFER, context->curl_error_buff);
+ curl_easy_setopt(curl_handle, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
+ curl_easy_setopt(curl_handle, CURLOPT_SOCKOPTDATA, (void *)context);
+
cc = switch_curl_easy_perform(curl_handle);
+
if (cc && cc != CURLE_WRITE_ERROR) { /* write error is ok, we just exited from callback early */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "CURL returned error:[%d] %s : %s [%s]\n", cc, switch_curl_easy_strerror(cc),
context->curl_error_buff, context->stream_url);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Read Thread Done\n");
context->eof++;
- context->thread_running = 0;
switch_thread_rwlock_unlock(context->rwlock);
return NULL;
}
static void launch_read_stream_thread(shout_context_t *context)
{
- switch_thread_t *thread;
switch_threadattr_t *thd_attr = NULL;
- context->thread_running = 1;
switch_threadattr_create(&thd_attr, context->memory_pool);
- switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
- switch_thread_create(&thread, thd_attr, read_stream_thread, context, context->memory_pool);
+ switch_thread_create(&context->read_stream_thread, thd_attr, read_stream_thread, context, context->memory_pool);
}
#define error_check() if (context->err) goto error;
switch_thread_rwlock_rdlock(context->rwlock);
- if (context->thread_running) {
- context->thread_running++;
- } else {
- switch_thread_rwlock_unlock(context->rwlock);
- return NULL;
- }
-
if (!context->lame_ready) {
lame_init_params(context->gfp);
lame_print_config(context->gfp);
context->lame_ready = 1;
}
- while (!context->err && context->thread_running) {
+ while (!context->err) {
unsigned char mp3buf[20480] = "";
int16_t audio[9600] = { 0 };
switch_size_t audio_read = 0;
error:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Write Thread Done\n");
switch_thread_rwlock_unlock(context->rwlock);
- context->thread_running = 0;
+
return NULL;
}
static void launch_write_stream_thread(shout_context_t *context)
{
- switch_thread_t *thread;
switch_threadattr_t *thd_attr = NULL;
- int sanity = 10;
if (context->err) {
return;
}
- context->thread_running = 1;
switch_threadattr_create(&thd_attr, context->memory_pool);
- switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
- switch_thread_create(&thread, thd_attr, write_stream_thread, context, context->memory_pool);
-
- while (context->thread_running && context->thread_running != 2) {
- switch_yield(100000);
- if (!--sanity)
- break;
- }
+ switch_thread_create(&context->write_stream_thread, thd_attr, write_stream_thread, context, context->memory_pool);
}
#define TC_BUFFER_SIZE 1024 * 32
return SWITCH_STATUS_SUCCESS;
}
+/* codec interface */
+
+struct mp3_context {
+ lame_global_flags *gfp;
+};
+
+static switch_status_t switch_mp3_init(switch_codec_t *codec, switch_codec_flag_t flags, const switch_codec_settings_t *codec_settings)
+{
+ struct mp3_context *context = NULL;
+ int encoding, decoding;
+
+ encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
+ decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
+
+ if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(struct mp3_context))))) {
+ return SWITCH_STATUS_FALSE;
+ } else {
+ const switch_codec_implementation_t *impl = codec->implementation;
+
+ if (codec->fmtp_in) {
+ codec->fmtp_out = switch_core_strdup(codec->memory_pool, codec->fmtp_in);
+ }
+
+ memset(context, 0, sizeof(struct mp3_context));
+
+ context->gfp = lame_init();
+
+ id3tag_init(context->gfp);
+ id3tag_v2_only(context->gfp);
+ id3tag_pad_v2(context->gfp);
+
+ lame_set_num_channels(context->gfp, 1);
+ lame_set_in_samplerate(context->gfp, impl->actual_samples_per_second);
+ lame_set_out_samplerate(context->gfp, impl->actual_samples_per_second);
+
+ if (impl->number_of_channels == 2) {
+ lame_set_mode(context->gfp, STEREO);
+ } else if (impl->number_of_channels == 1) {
+ lame_set_mode(context->gfp, MONO);
+ } else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "%d channels not supported\n", impl->number_of_channels);
+ }
+
+ lame_set_brate(context->gfp, 16 * (impl->actual_samples_per_second / 8000) * impl->number_of_channels);
+ lame_set_quality(context->gfp, 2);
+ lame_set_errorf(context->gfp, log_error);
+ lame_set_debugf(context->gfp, log_debug);
+ lame_set_msgf(context->gfp, log_msg);
+
+ lame_init_params(context->gfp);
+ lame_print_config(context->gfp);
+
+ if (encoding) {
+ lame_set_bWriteVbrTag(context->gfp, 0);
+ lame_mp3_tags_fid(context->gfp, NULL);
+ lame_set_disable_reservoir(context->gfp, 1);
+ }
+
+ if (decoding) {
+ }
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "MP3 framesize: %d\n", lame_get_framesize(context->gfp));
+
+ codec->private_info = context;
+
+ return SWITCH_STATUS_SUCCESS;
+ }
+}
+
+static switch_status_t switch_mp3_destroy(switch_codec_t *codec)
+{
+ struct mp3_context *context = codec->private_info;
+
+ if (context && context->gfp) lame_close(context->gfp);
+
+ codec->private_info = NULL;
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t switch_mp3_encode(switch_codec_t *codec,
+ switch_codec_t *other_codec,
+ void *decoded_data,
+ uint32_t decoded_data_len,
+ uint32_t decoded_rate,
+ void *encoded_data, uint32_t *encoded_data_len,
+ uint32_t *encoded_rate,
+ unsigned int *flag)
+{
+ struct mp3_context *context = codec->private_info;
+ int len;
+
+ if (!context) {
+ return SWITCH_STATUS_FALSE;
+ }
+
+ if (codec->implementation->number_of_channels == 2) {
+ len = lame_encode_buffer_interleaved(context->gfp, decoded_data, decoded_data_len / 4, encoded_data, *encoded_data_len);
+ } else {
+ len = lame_encode_buffer(context->gfp, decoded_data, NULL, decoded_data_len / 2, encoded_data, *encoded_data_len);
+ }
+
+ if (len < 0) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "encode error %d\n", len);
+ return SWITCH_STATUS_FALSE;
+ }
+
+ *encoded_data_len = len;
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+static switch_status_t switch_mp3_decode(switch_codec_t *codec,
+ switch_codec_t *other_codec,
+ void *encoded_data,
+ uint32_t encoded_data_len,
+ uint32_t encoded_rate, void *decoded_data, uint32_t *decoded_data_len, uint32_t *decoded_rate,
+ unsigned int *flag)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "decode not implemented!\n");
+ return SWITCH_STATUS_FALSE;
+}
+
SWITCH_MODULE_LOAD_FUNCTION(mod_shout_load)
{
switch_api_interface_t *shout_api_interface;
switch_file_interface_t *file_interface;
+ switch_codec_interface_t *codec_interface;
+ int mpf = 10000, spf = 80, bpf = 160, count = 1;
+ int RATES[] = {8000, 11025, 16000, 22050, 32000, 44100, 48000};
+ int i;
supported_formats[0] = "shout";
supported_formats[1] = "mp3";
SWITCH_ADD_API(shout_api_interface, "telecast", "telecast", telecast_api_function, TELECAST_SYNTAX);
+ SWITCH_ADD_CODEC(codec_interface, "MP3");
+
+ for (count = 1; count <=4; count++) {
+ for (i = 0; i < sizeof(RATES) / sizeof(RATES[0]); i++) {
+ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO,
+ 98, /* the IANA code number */
+ "MP3", /* the IANA code name */
+ NULL, /* default fmtp to send (can be overridden by the init function) */
+ RATES[i], /* samples transferred per second */
+ RATES[i], /* actual samples transferred per second */
+ 16 * RATES[i] / 8000, /* bits transferred per second */
+ mpf * count, /* number of microseconds per frame */
+ spf * count * RATES[i] / 8000, /* number of samples per frame */
+ bpf * count * RATES[i] / 8000, /* number of bytes per frame decompressed */
+ 0, /* number of bytes per frame compressed */
+ 1, /* number of channels represented */
+ 1, /* number of frames per network packet */
+ switch_mp3_init, switch_mp3_encode, switch_mp3_decode, switch_mp3_destroy);
+
+ switch_core_codec_add_implementation(pool, codec_interface, SWITCH_CODEC_TYPE_AUDIO,
+ 98, /* the IANA code number */
+ "MP3", /* the IANA code name */
+ NULL, /* default fmtp to send (can be overridden by the init function) */
+ RATES[i], /* samples transferred per second */
+ RATES[i], /* actual samples transferred per second */
+ 16 * RATES[i] / 8000 * 2, /* bits transferred per second */
+ mpf * count, /* number of microseconds per frame */
+ spf * count * RATES[i] / 8000, /* number of samples per frame */
+ bpf * count * RATES[i] / 8000 * 2, /* number of bytes per frame decompressed */
+ 0, /* number of bytes per frame compressed */
+ 2, /* number of channels represented */
+ 1, /* number of frames per network packet */
+ switch_mp3_init, switch_mp3_encode, switch_mp3_decode, switch_mp3_destroy);
+ }
+ }
+
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
projects / thirdparty / freeswitch.git / commitdiff
