diff options
Diffstat (limited to 'tinyDAV/src/audio/oss/tdav_producer_oss.c')
-rwxr-xr-x | tinyDAV/src/audio/oss/tdav_producer_oss.c | 533 |
1 files changed, 265 insertions, 268 deletions
diff --git a/tinyDAV/src/audio/oss/tdav_producer_oss.c b/tinyDAV/src/audio/oss/tdav_producer_oss.c index d61fb96..61a7afa 100755 --- a/tinyDAV/src/audio/oss/tdav_producer_oss.c +++ b/tinyDAV/src/audio/oss/tdav_producer_oss.c @@ -1,17 +1,17 @@ /* Copyright (C) 2014 Mamadou DIOP. -* +* * This file is part of Open Source Doubango Framework. * * DOUBANGO is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. -* +* * DOUBANGO is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. -* +* * You should have received a copy of the GNU General Public License * along with DOUBANGO. */ @@ -39,264 +39,263 @@ #define OSS_DEBUG_ERROR(FMT, ...) TSK_DEBUG_ERROR("[OSS Producer] " FMT, ##__VA_ARGS__) #define OSS_DEBUG_FATAL(FMT, ...) TSK_DEBUG_FATAL("[OSS Producer] " FMT, ##__VA_ARGS__) -typedef struct tdav_producer_oss_s -{ - TDAV_DECLARE_PRODUCER_AUDIO; - - tsk_bool_t b_started; - tsk_bool_t b_prepared; - tsk_bool_t b_muted; - int n_bits_per_sample; - - int fd; - tsk_thread_handle_t* tid[1]; - - tsk_size_t n_buff_size_in_bytes; - tsk_size_t n_buff_size_in_samples; - uint8_t* p_buff_ptr; - - tsk_size_t n_buff16_size_in_bytes; - tsk_size_t n_buff16_size_in_samples; - uint16_t* p_buff16_ptr; - - TSK_DECLARE_SAFEOBJ; +typedef struct tdav_producer_oss_s { + TDAV_DECLARE_PRODUCER_AUDIO; + + tsk_bool_t b_started; + tsk_bool_t b_prepared; + tsk_bool_t b_muted; + int n_bits_per_sample; + + int fd; + tsk_thread_handle_t* tid[1]; + + tsk_size_t n_buff_size_in_bytes; + tsk_size_t n_buff_size_in_samples; + uint8_t* p_buff_ptr; + + tsk_size_t n_buff16_size_in_bytes; + tsk_size_t n_buff16_size_in_samples; + uint16_t* p_buff16_ptr; + + TSK_DECLARE_SAFEOBJ; } tdav_producer_oss_t; static int __oss_from_8bits_to_16bits(const void* p_src, void* p_dst, tsk_size_t n_samples) { - tsk_size_t i; - const uint8_t *_p_src = (const uint8_t*)p_src; - uint16_t *_p_dst = (uint16_t*)p_dst; - - if (!p_src || !p_dst || !n_samples) { - OSS_DEBUG_ERROR("invalid parameter"); - return -1; - } - for (i = 0; i < n_samples; ++i) { - _p_dst[i] = _p_src[i]; - } - return 0; + tsk_size_t i; + const uint8_t *_p_src = (const uint8_t*)p_src; + uint16_t *_p_dst = (uint16_t*)p_dst; + + if (!p_src || !p_dst || !n_samples) { + OSS_DEBUG_ERROR("invalid parameter"); + return -1; + } + for (i = 0; i < n_samples; ++i) { + _p_dst[i] = _p_src[i]; + } + return 0; } static void* TSK_STDCALL _tdav_producer_oss_record_thread(void *param) { - tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)param; - int err; - const void* p_buffer = ((p_oss->n_bits_per_sample == 8) ? (const void*)p_oss->p_buff16_ptr: (const void*)p_oss->p_buff_ptr); - tsk_size_t n_buffer_in_bytes = (p_oss->n_bits_per_sample == 8) ? p_oss->n_buff16_size_in_bytes : p_oss->n_buff_size_in_bytes; - - OSS_DEBUG_INFO("__record_thread -- START"); - - tsk_thread_set_priority_2(TSK_THREAD_PRIORITY_TIME_CRITICAL); - - while (p_oss->b_started) { - tsk_safeobj_lock(p_oss); - if ((err = read(p_oss->fd, p_oss->p_buff_ptr, p_oss->n_buff_size_in_bytes)) != p_oss->n_buff_size_in_bytes) { - OSS_DEBUG_ERROR ("Failed to read data from audio interface failed (%d -> %s)", err , strerror(errno)); - tsk_safeobj_unlock(p_oss); - goto bail; - } - if (p_oss->n_bits_per_sample == 8) { - if ((err = __oss_from_8bits_to_16bits(p_oss->p_buff_ptr, p_oss->p_buff16_ptr, p_oss->n_buff_size_in_samples))) { - tsk_safeobj_unlock(p_oss); - goto bail; - } - } - if (!p_oss->b_muted && TMEDIA_PRODUCER(p_oss)->enc_cb.callback) { - TMEDIA_PRODUCER(p_oss)->enc_cb.callback(TMEDIA_PRODUCER(p_oss)->enc_cb.callback_data, p_buffer, n_buffer_in_bytes); - } - tsk_safeobj_unlock(p_oss); - } + tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)param; + int err; + const void* p_buffer = ((p_oss->n_bits_per_sample == 8) ? (const void*)p_oss->p_buff16_ptr: (const void*)p_oss->p_buff_ptr); + tsk_size_t n_buffer_in_bytes = (p_oss->n_bits_per_sample == 8) ? p_oss->n_buff16_size_in_bytes : p_oss->n_buff_size_in_bytes; + + OSS_DEBUG_INFO("__record_thread -- START"); + + tsk_thread_set_priority_2(TSK_THREAD_PRIORITY_TIME_CRITICAL); + + while (p_oss->b_started) { + tsk_safeobj_lock(p_oss); + if ((err = read(p_oss->fd, p_oss->p_buff_ptr, p_oss->n_buff_size_in_bytes)) != p_oss->n_buff_size_in_bytes) { + OSS_DEBUG_ERROR ("Failed to read data from audio interface failed (%d -> %s)", err , strerror(errno)); + tsk_safeobj_unlock(p_oss); + goto bail; + } + if (p_oss->n_bits_per_sample == 8) { + if ((err = __oss_from_8bits_to_16bits(p_oss->p_buff_ptr, p_oss->p_buff16_ptr, p_oss->n_buff_size_in_samples))) { + tsk_safeobj_unlock(p_oss); + goto bail; + } + } + if (!p_oss->b_muted && TMEDIA_PRODUCER(p_oss)->enc_cb.callback) { + TMEDIA_PRODUCER(p_oss)->enc_cb.callback(TMEDIA_PRODUCER(p_oss)->enc_cb.callback_data, p_buffer, n_buffer_in_bytes); + } + tsk_safeobj_unlock(p_oss); + } bail: - OSS_DEBUG_INFO("__record_thread -- STOP"); - return tsk_null; + OSS_DEBUG_INFO("__record_thread -- STOP"); + return tsk_null; } /* ============ Media Producer Interface ================= */ static int tdav_producer_oss_set(tmedia_producer_t* self, const tmedia_param_t* param) -{ - tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; - if (param->plugin_type == tmedia_ppt_producer) { - if (param->value_type == tmedia_pvt_int32) { - if (tsk_striequals(param->key, "volume")) { - return 0; - } - else if(tsk_striequals(param->key, "mute")){ - p_oss->b_muted = (TSK_TO_INT32((uint8_t*)param->value) != 0); - return 0; - } - } - } - return tdav_producer_audio_set(TDAV_PRODUCER_AUDIO(self), param); +{ + tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; + if (param->plugin_type == tmedia_ppt_producer) { + if (param->value_type == tmedia_pvt_int32) { + if (tsk_striequals(param->key, "volume")) { + return 0; + } + else if(tsk_striequals(param->key, "mute")) { + p_oss->b_muted = (TSK_TO_INT32((uint8_t*)param->value) != 0); + return 0; + } + } + } + return tdav_producer_audio_set(TDAV_PRODUCER_AUDIO(self), param); } static int tdav_producer_oss_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec) { - tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; - int err = 0, channels, sample_rate, bits_per_sample; - - if (!p_oss || !codec && codec->plugin) { - OSS_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - tsk_safeobj_lock(p_oss); - - if (p_oss->fd == -1) { - if ((p_oss->fd = open("/dev/dsp", O_RDONLY)) < 0) { - OSS_DEBUG_ERROR("open('/dev/dsp') failed: %s", strerror(errno)); - err = -2; - goto bail; - } - } - - // Set using requested - channels = TMEDIA_CODEC_CHANNELS_AUDIO_ENCODING(codec); - sample_rate = TMEDIA_CODEC_RATE_ENCODING(codec); - bits_per_sample = TMEDIA_PRODUCER(p_oss)->audio.bits_per_sample; // 16 - - // Prepare - if ((err = ioctl(p_oss->fd, SOUND_PCM_WRITE_BITS, &bits_per_sample)) != 0) { - OSS_DEBUG_ERROR("ioctl(SOUND_PCM_WRITE_BITS, %d) failed: %d->%s", bits_per_sample, err, strerror(errno)); - goto bail; - } - if (bits_per_sample != 16 && bits_per_sample != 8) { - OSS_DEBUG_ERROR("bits_per_sample=%d not supported", bits_per_sample); - err = -3; - goto bail; - } - if ((err = ioctl(p_oss->fd, SOUND_PCM_WRITE_CHANNELS, &channels)) != 0) { - OSS_DEBUG_ERROR("ioctl(SOUND_PCM_WRITE_CHANNELS, %d) failed: %d->%s", channels, err, strerror(errno)); - goto bail; - } - if ((err = ioctl(p_oss->fd, SOUND_PCM_WRITE_RATE, &sample_rate)) != 0) { - OSS_DEBUG_ERROR("ioctl(SOUND_PCM_WRITE_RATE, %d) failed: %d->%s", sample_rate, err, strerror(errno)); - goto bail; - } - - p_oss->n_buff_size_in_bytes = (TMEDIA_PRODUCER(p_oss)->audio.ptime * sample_rate * ((bits_per_sample >> 3) * channels)) / 1000; - if (!(p_oss->p_buff_ptr = tsk_realloc(p_oss->p_buff_ptr, p_oss->n_buff_size_in_bytes))) { - OSS_DEBUG_ERROR("Failed to allocate buffer with size = %u", p_oss->n_buff_size_in_bytes); - err = -4; - goto bail; - } - p_oss->n_buff_size_in_samples = (p_oss->n_buff_size_in_bytes / (bits_per_sample >> 3)); - if (bits_per_sample == 8) { - p_oss->n_buff16_size_in_bytes = p_oss->n_buff_size_in_bytes << 1; - if (!(p_oss->p_buff16_ptr = tsk_realloc(p_oss->p_buff16_ptr, p_oss->n_buff16_size_in_bytes))) { - OSS_DEBUG_ERROR("Failed to allocate buffer with size = %u", p_oss->n_buff_size_in_bytes); - err = -5; - goto bail; - } - p_oss->n_buff16_size_in_samples = p_oss->n_buff_size_in_samples; - } - - OSS_DEBUG_INFO("prepared: req_bits_per_sample=%d; req_channels=%d; req_rate=%d, resp_bits_per_sample=%d; resp_channels=%d; resp_rate=%d /// n_buff_size_in_samples=%u;n_buff_size_in_bytes=%u", - TMEDIA_PRODUCER(p_oss)->audio.bits_per_sample, TMEDIA_PRODUCER(p_oss)->audio.channels, TMEDIA_PRODUCER(p_oss)->audio.rate, - bits_per_sample, channels, sample_rate, - p_oss->n_buff_size_in_samples, p_oss->n_buff_size_in_bytes); - - // Set using supported (up to the resampler to convert to requested) - TMEDIA_PRODUCER(p_oss)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_ENCODING(codec); - TMEDIA_PRODUCER(p_oss)->audio.channels = channels; - TMEDIA_PRODUCER(p_oss)->audio.rate = sample_rate; - // TMEDIA_PRODUCER(p_oss)->audio.bits_per_sample = bits_per_sample; - - p_oss->n_bits_per_sample = bits_per_sample; - p_oss->b_prepared = tsk_true; + tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; + int err = 0, channels, sample_rate, bits_per_sample; + + if (!p_oss || !codec && codec->plugin) { + OSS_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + tsk_safeobj_lock(p_oss); + + if (p_oss->fd == -1) { + if ((p_oss->fd = open("/dev/dsp", O_RDONLY)) < 0) { + OSS_DEBUG_ERROR("open('/dev/dsp') failed: %s", strerror(errno)); + err = -2; + goto bail; + } + } + + // Set using requested + channels = TMEDIA_CODEC_CHANNELS_AUDIO_ENCODING(codec); + sample_rate = TMEDIA_CODEC_RATE_ENCODING(codec); + bits_per_sample = TMEDIA_PRODUCER(p_oss)->audio.bits_per_sample; // 16 + + // Prepare + if ((err = ioctl(p_oss->fd, SOUND_PCM_WRITE_BITS, &bits_per_sample)) != 0) { + OSS_DEBUG_ERROR("ioctl(SOUND_PCM_WRITE_BITS, %d) failed: %d->%s", bits_per_sample, err, strerror(errno)); + goto bail; + } + if (bits_per_sample != 16 && bits_per_sample != 8) { + OSS_DEBUG_ERROR("bits_per_sample=%d not supported", bits_per_sample); + err = -3; + goto bail; + } + if ((err = ioctl(p_oss->fd, SOUND_PCM_WRITE_CHANNELS, &channels)) != 0) { + OSS_DEBUG_ERROR("ioctl(SOUND_PCM_WRITE_CHANNELS, %d) failed: %d->%s", channels, err, strerror(errno)); + goto bail; + } + if ((err = ioctl(p_oss->fd, SOUND_PCM_WRITE_RATE, &sample_rate)) != 0) { + OSS_DEBUG_ERROR("ioctl(SOUND_PCM_WRITE_RATE, %d) failed: %d->%s", sample_rate, err, strerror(errno)); + goto bail; + } + + p_oss->n_buff_size_in_bytes = (TMEDIA_PRODUCER(p_oss)->audio.ptime * sample_rate * ((bits_per_sample >> 3) * channels)) / 1000; + if (!(p_oss->p_buff_ptr = tsk_realloc(p_oss->p_buff_ptr, p_oss->n_buff_size_in_bytes))) { + OSS_DEBUG_ERROR("Failed to allocate buffer with size = %u", p_oss->n_buff_size_in_bytes); + err = -4; + goto bail; + } + p_oss->n_buff_size_in_samples = (p_oss->n_buff_size_in_bytes / (bits_per_sample >> 3)); + if (bits_per_sample == 8) { + p_oss->n_buff16_size_in_bytes = p_oss->n_buff_size_in_bytes << 1; + if (!(p_oss->p_buff16_ptr = tsk_realloc(p_oss->p_buff16_ptr, p_oss->n_buff16_size_in_bytes))) { + OSS_DEBUG_ERROR("Failed to allocate buffer with size = %u", p_oss->n_buff_size_in_bytes); + err = -5; + goto bail; + } + p_oss->n_buff16_size_in_samples = p_oss->n_buff_size_in_samples; + } + + OSS_DEBUG_INFO("prepared: req_bits_per_sample=%d; req_channels=%d; req_rate=%d, resp_bits_per_sample=%d; resp_channels=%d; resp_rate=%d /// n_buff_size_in_samples=%u;n_buff_size_in_bytes=%u", + TMEDIA_PRODUCER(p_oss)->audio.bits_per_sample, TMEDIA_PRODUCER(p_oss)->audio.channels, TMEDIA_PRODUCER(p_oss)->audio.rate, + bits_per_sample, channels, sample_rate, + p_oss->n_buff_size_in_samples, p_oss->n_buff_size_in_bytes); + + // Set using supported (up to the resampler to convert to requested) + TMEDIA_PRODUCER(p_oss)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_ENCODING(codec); + TMEDIA_PRODUCER(p_oss)->audio.channels = channels; + TMEDIA_PRODUCER(p_oss)->audio.rate = sample_rate; + // TMEDIA_PRODUCER(p_oss)->audio.bits_per_sample = bits_per_sample; + + p_oss->n_bits_per_sample = bits_per_sample; + p_oss->b_prepared = tsk_true; bail: - if (err) { - if (p_oss->fd != -1) { - close(p_oss->fd); - p_oss->fd = -1; - } - } - tsk_safeobj_unlock(p_oss); - - return err; + if (err) { + if (p_oss->fd != -1) { + close(p_oss->fd); + p_oss->fd = -1; + } + } + tsk_safeobj_unlock(p_oss); + + return err; } static int tdav_producer_oss_start(tmedia_producer_t* self) { - tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; - int err = 0; + tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; + int err = 0; - if (! p_oss) { - OSS_DEBUG_ERROR("Invalid parameter"); - return -1; - } + if (! p_oss) { + OSS_DEBUG_ERROR("Invalid parameter"); + return -1; + } - tsk_safeobj_lock(p_oss); + tsk_safeobj_lock(p_oss); - if (!p_oss->b_prepared) { - OSS_DEBUG_WARN("Not prepared"); - err = -2; - goto bail; - } + if (!p_oss->b_prepared) { + OSS_DEBUG_WARN("Not prepared"); + err = -2; + goto bail; + } - if (p_oss->b_started) { - OSS_DEBUG_WARN("Already started"); - goto bail; - } + if (p_oss->b_started) { + OSS_DEBUG_WARN("Already started"); + goto bail; + } - /* start thread */ - p_oss->b_started = tsk_true; - tsk_thread_create(&p_oss->tid[0], _tdav_producer_oss_record_thread, p_oss); + /* start thread */ + p_oss->b_started = tsk_true; + tsk_thread_create(&p_oss->tid[0], _tdav_producer_oss_record_thread, p_oss); - OSS_DEBUG_INFO("started"); + OSS_DEBUG_INFO("started"); bail: - tsk_safeobj_unlock(p_oss); - return err; + tsk_safeobj_unlock(p_oss); + return err; } static int tdav_producer_oss_pause(tmedia_producer_t* self) { - tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; + tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; + + if (!p_oss) { + OSS_DEBUG_ERROR("Invalid parameter"); + return -1; + } - if (!p_oss) { - OSS_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - OSS_DEBUG_INFO("paused"); + OSS_DEBUG_INFO("paused"); - return 0; + return 0; } static int tdav_producer_oss_stop(tmedia_producer_t* self) { - tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; - int err; - - if (!p_oss) { - OSS_DEBUG_ERROR("Invalid parameter"); - return -1; - } - - tsk_safeobj_lock(p_oss); - - /* should be done here */ - p_oss->b_started = tsk_false; - - /* stop thread */ - if (p_oss->tid[0]) { - tsk_thread_join(&(p_oss->tid[0])); - } - if (p_oss->fd != -1) { - close(p_oss->fd); - p_oss->fd = -1; - } - p_oss->b_prepared = tsk_false; - - OSS_DEBUG_INFO("stopped"); - - tsk_safeobj_unlock(p_oss); - - return 0; + tdav_producer_oss_t* p_oss = (tdav_producer_oss_t*)self; + int err; + + if (!p_oss) { + OSS_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + tsk_safeobj_lock(p_oss); + + /* should be done here */ + p_oss->b_started = tsk_false; + + /* stop thread */ + if (p_oss->tid[0]) { + tsk_thread_join(&(p_oss->tid[0])); + } + if (p_oss->fd != -1) { + close(p_oss->fd); + p_oss->fd = -1; + } + p_oss->b_prepared = tsk_false; + + OSS_DEBUG_INFO("stopped"); + + tsk_safeobj_unlock(p_oss); + + return 0; } @@ -306,63 +305,61 @@ static int tdav_producer_oss_stop(tmedia_producer_t* self) /* constructor */ static tsk_object_t* tdav_producer_oss_ctor(tsk_object_t * self, va_list * app) { - tdav_producer_oss_t *p_oss = (tdav_producer_oss_t*)self; - if (p_oss) { - /* init base */ - tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(p_oss)); - /* init self */ - p_oss->fd = -1; - tsk_safeobj_init(p_oss); - } - return self; + tdav_producer_oss_t *p_oss = (tdav_producer_oss_t*)self; + if (p_oss) { + /* init base */ + tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(p_oss)); + /* init self */ + p_oss->fd = -1; + tsk_safeobj_init(p_oss); + } + return self; } /* destructor */ static tsk_object_t* tdav_producer_oss_dtor(tsk_object_t * self) -{ - tdav_producer_oss_t *p_oss = (tdav_producer_oss_t *)self; - if (p_oss) { - /* stop */ - if (p_oss->b_started) { - tdav_producer_oss_stop((tmedia_producer_t*)p_oss); - } - - /* deinit base */ - tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(p_oss)); - /* deinit self */ - if (p_oss->fd != -1) { - close(p_oss->fd); - p_oss->fd = -1; - } - TSK_FREE(p_oss->p_buff_ptr); - TSK_FREE(p_oss->p_buff16_ptr); - tsk_safeobj_deinit(p_oss); - - OSS_DEBUG_INFO("*** destroyed ***"); - } - - return self; +{ + tdav_producer_oss_t *p_oss = (tdav_producer_oss_t *)self; + if (p_oss) { + /* stop */ + if (p_oss->b_started) { + tdav_producer_oss_stop((tmedia_producer_t*)p_oss); + } + + /* deinit base */ + tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(p_oss)); + /* deinit self */ + if (p_oss->fd != -1) { + close(p_oss->fd); + p_oss->fd = -1; + } + TSK_FREE(p_oss->p_buff_ptr); + TSK_FREE(p_oss->p_buff16_ptr); + tsk_safeobj_deinit(p_oss); + + OSS_DEBUG_INFO("*** destroyed ***"); + } + + return self; } /* object definition */ -static const tsk_object_def_t tdav_producer_oss_def_s = -{ - sizeof(tdav_producer_oss_t), - tdav_producer_oss_ctor, - tdav_producer_oss_dtor, - tdav_producer_audio_cmp, +static const tsk_object_def_t tdav_producer_oss_def_s = { + sizeof(tdav_producer_oss_t), + tdav_producer_oss_ctor, + tdav_producer_oss_dtor, + tdav_producer_audio_cmp, }; /* plugin definition*/ -static const tmedia_producer_plugin_def_t tdav_producer_oss_plugin_def_s = -{ - &tdav_producer_oss_def_s, - - tmedia_audio, - "Linux OSS producer", - - tdav_producer_oss_set, - tdav_producer_oss_prepare, - tdav_producer_oss_start, - tdav_producer_oss_pause, - tdav_producer_oss_stop +static const tmedia_producer_plugin_def_t tdav_producer_oss_plugin_def_s = { + &tdav_producer_oss_def_s, + + tmedia_audio, + "Linux OSS producer", + + tdav_producer_oss_set, + tdav_producer_oss_prepare, + tdav_producer_oss_start, + tdav_producer_oss_pause, + tdav_producer_oss_stop }; const tmedia_producer_plugin_def_t *tdav_producer_oss_plugin_def_t = &tdav_producer_oss_plugin_def_s; |