diff options
Diffstat (limited to 'tinyMEDIA/src/tmedia_producer.c')
| -rw-r--r-- | tinyMEDIA/src/tmedia_producer.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/tinyMEDIA/src/tmedia_producer.c b/tinyMEDIA/src/tmedia_producer.c new file mode 100644 index 0000000..fb0f83b --- /dev/null +++ b/tinyMEDIA/src/tmedia_producer.c @@ -0,0 +1,301 @@ +/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
+*
+* 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.
+*
+*/
+
+/**@file tmedia_producer.c
+ * @brief Base producer object.
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tinymedia/tmedia_producer.h"
+
+#include "tsk_debug.h"
+
+/**@defgroup tmedia_producer_group Producers
+*/
+
+/* pointer to all registered producers */
+const tmedia_producer_plugin_def_t* __tmedia_producer_plugins[TMED_PRODUCER_MAX_PLUGINS] = {0};
+
+/**@ingroup tmedia_producer_group
+* Initialize the producer.
+* @param self The producer to initialize
+* @retval Zero if succeed and non-zero error code otherwise.
+*
+* @sa @ref tmedia_producer_deinit
+*/
+int tmedia_producer_init(tmedia_producer_t* self)
+{
+ if(!self){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ self->video.chroma = TMEDIA_PRODUCER_CHROMA_DEFAULT;
+
+ return 0;
+}
+
+/**@ingroup tmedia_producer_group
+* callback to encode and send() data
+*/
+int tmedia_producer_set_enc_callback(tmedia_producer_t *self, tmedia_producer_enc_cb_f callback, const void* callback_data)
+{
+ if(!self){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ self->enc_cb.callback = callback;
+ self->enc_cb.callback_data = callback_data;
+
+ return 0;
+}
+
+/**@ingroup tmedia_producer_group
+* callback to send() data "as is"
+*/
+int tmedia_producer_set_raw_callback(tmedia_producer_t *self, tmedia_producer_raw_cb_f callback, const void* callback_data)
+{
+ if(!self){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ self->raw_cb.callback = callback;
+ self->raw_cb.callback_data = callback_data;
+
+ return 0;
+}
+
+/**@ingroup tmedia_producer_group
+* @retval Zero if succeed and non-zero error code otherwise
+*/
+int tmedia_producer_set(tmedia_producer_t* self, const tmedia_param_t* param)
+{
+ if(!self || !self->plugin || !self->plugin->set || !param){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ return self->plugin->set(self, param);
+}
+
+/**@ingroup tmedia_producer_group
+* Alert the producer to be prepared to start.
+* @param self the producer to prepare
+* @param codec The codec to use to prepare the producer
+* @retval Zero if succeed and non-zero error code otherwise
+*/
+int tmedia_producer_prepare(tmedia_producer_t *self, const tmedia_codec_t* codec)
+{
+ if(!self || !self->plugin || !self->plugin->prepare || !codec){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ return self->plugin->prepare(self, codec);
+}
+
+/**@ingroup tmedia_producer_group
+* Starts the producer
+* @param self The producer to start
+* @retval Zero if succeed and non-zero error code otherwise
+*/
+int tmedia_producer_start(tmedia_producer_t *self)
+{
+ if(!self || !self->plugin || !self->plugin->start){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ return self->plugin->start(self);
+}
+
+
+/**@ingroup tmedia_producer_group
+* Pauses the producer
+* @param self The producer to pause
+* @retval Zero if succeed and non-zero error code otherwise
+*/
+int tmedia_producer_pause(tmedia_producer_t *self)
+{
+ if(!self || !self->plugin || !self->plugin->pause){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ return self->plugin->pause(self);
+}
+
+
+/**@ingroup tmedia_producer_group
+* Stops the producer
+* @param self The producer to stop
+* @retval Zero if succeed and non-zero error code otherwise
+*/
+int tmedia_producer_stop(tmedia_producer_t *self)
+{
+ if(!self || !self->plugin || !self->plugin->stop){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ return self->plugin->stop(self);
+}
+
+
+/**@ingroup tmedia_producer_group
+* DeInitialize the producer.
+* @param self The producer to deinitialize
+* @retval Zero if succeed and non-zero error code otherwise.
+*
+* @sa @ref tmedia_producer_deinit
+*/
+int tmedia_producer_deinit(tmedia_producer_t* self)
+{
+ if(!self){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+ return 0;
+}
+
+/**@ingroup tmedia_producer_group
+* Creates a new producer using an already registered plugin.
+* @param type The type of the producer to create
+* @param session_id
+* @sa @ref tmedia_producer_plugin_register()
+*/
+tmedia_producer_t* tmedia_producer_create(tmedia_type_t type, uint64_t session_id)
+{
+ tmedia_producer_t* producer = tsk_null;
+ const tmedia_producer_plugin_def_t* plugin;
+ tsk_size_t i = 0;
+
+ while((i < TMED_PRODUCER_MAX_PLUGINS) && (plugin = __tmedia_producer_plugins[i++])){
+ if(plugin->objdef && plugin->type == type){
+ if((producer = tsk_object_new(plugin->objdef))){
+ /* initialize the newly created producer */
+ producer->plugin = plugin;
+ producer->session_id = session_id;
+ break;
+ }
+ }
+ }
+
+ return producer;
+}
+
+/**@ingroup tmedia_producer_group
+* Registers a producer plugin.
+* @param plugin the definition of the plugin.
+* @retval Zero if succeed and non-zero error code otherwise.
+* @sa @ref tmedia_producer_create()
+*/
+int tmedia_producer_plugin_register(const tmedia_producer_plugin_def_t* plugin)
+{
+ tsk_size_t i;
+ if(!plugin){
+ TSK_DEBUG_ERROR("Invalid parameter");
+ return -1;
+ }
+
+ /* add or replace the plugin */
+ for(i = 0; i<TMED_PRODUCER_MAX_PLUGINS; i++){
+ if(!__tmedia_producer_plugins[i] || (__tmedia_producer_plugins[i] == plugin)){
+ __tmedia_producer_plugins[i] = plugin;
+ return 0;
+ }
+ }
+
+ TSK_DEBUG_ERROR("There are already %d plugins.", TMED_PRODUCER_MAX_PLUGINS);
+ return -2;
+}
+
+/**@ingroup tmedia_producer_group
+* UnRegisters a producer plugin.
+* @param plugin the definition of the plugin.
+* @retval Zero if succeed and non-zero error code otherwise.
+*/
+int tmedia_producer_plugin_unregister(const tmedia_producer_plugin_def_t* plugin)
+{
+ tsk_size_t i;
+ tsk_bool_t found = tsk_false;
+ if(!plugin){
+ TSK_DEBUG_ERROR("Invalid Parameter");
+ return -1;
+ }
+
+ /* find the plugin to unregister */
+ for(i = 0; i<TMED_PRODUCER_MAX_PLUGINS && __tmedia_producer_plugins[i]; i++){
+ if(__tmedia_producer_plugins[i] == plugin){
+ __tmedia_producer_plugins[i] = tsk_null;
+ found = tsk_true;
+ break;
+ }
+ }
+
+ /* compact */
+ if(found){
+ for(; i<(TMED_PRODUCER_MAX_PLUGINS - 1); i++){
+ if(__tmedia_producer_plugins[i+1]){
+ __tmedia_producer_plugins[i] = __tmedia_producer_plugins[i+1];
+ }
+ else{
+ break;
+ }
+ }
+ __tmedia_producer_plugins[i] = tsk_null;
+ }
+ return (found ? 0 : -2);
+}
+
+/**@ingroup tmedia_producer_group
+* UnRegisters all producers matching the given type.
+* @param type the type of the plugins to unregister.
+* @retval Zero if succeed and non-zero error code otherwise.
+*/
+int tmedia_producer_plugin_unregister_by_type(tmedia_type_t type)
+{
+ tsk_size_t i;
+ tsk_bool_t found = tsk_false;
+
+ /* find the plugin to unregister */
+ for(i = 0; i<TMED_PRODUCER_MAX_PLUGINS && __tmedia_producer_plugins[i]; i++){
+ if((__tmedia_producer_plugins[i]->type & type) == __tmedia_producer_plugins[i]->type){
+ __tmedia_producer_plugins[i] = tsk_null;
+ found = tsk_true;
+ break;
+ }
+ }
+
+ /* compact */
+ if(found){
+ for(; i<(TMED_PRODUCER_MAX_PLUGINS - 1); i++){
+ if(__tmedia_producer_plugins[i+1]){
+ __tmedia_producer_plugins[i] = __tmedia_producer_plugins[i+1];
+ }
+ else{
+ break;
+ }
+ }
+ __tmedia_producer_plugins[i] = tsk_null;
+ }
+ return (found ? 0 : -2);
+}
|
