| c732d49e |
* Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
*
* The original file was part of Open Source Doubango Framework
* Copyright (C) 2010-2011 Mamadou Diop.
* Copyright (C) 2012 Doubango Telecom <http://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_jitterbuffer.c
* @brief Audio/Video JitterBuffer plugin
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*/
#include "tinymedia/tmedia_jitterbuffer.h"
#include "tsk_debug.h"
/* pointer to all registered jitter_buffers */
static const tmedia_jitterbuffer_plugin_def_t* __tmedia_jitterbuffer_plugins[TMED_JITTER_BUFFER_MAX_PLUGINS] = {0};
int tmedia_jitterbuffer_init(tmedia_jitterbuffer_t* self)
{
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
return 0;
}
int tmedia_jitterbuffer_set(tmedia_jitterbuffer_t *self, const tmedia_param_t* param)
{
if(!self || !self->plugin || !param){
TSK_DEBUG_ERROR("Invalid parameter");
return 0;
}
return self->plugin->set ? self->plugin->set(self, param) : 0;
}
int tmedia_jitterbuffer_open(tmedia_jitterbuffer_t* self, uint32_t frame_duration, uint32_t rate, uint32_t channels)
{
int ret;
if(!self || !self->plugin || !self->plugin->open){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(self->opened){
TSK_DEBUG_WARN("JitterBuffer already opened");
return 0;
}
if((ret = self->plugin->open(self, frame_duration, rate, channels))){
TSK_DEBUG_ERROR("Failed to open [%s] jitterbufferr", self->plugin->desc);
return ret;
}
else{
self->opened = tsk_true;
return 0;
}
}
int tmedia_jitterbuffer_tick(tmedia_jitterbuffer_t* self)
{
if(!self || !self->plugin || !self->plugin->tick){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(!self->opened){
TSK_DEBUG_ERROR("JitterBuffer not opened");
return -1;
}
return self->plugin->tick(self);
}
int tmedia_jitterbuffer_put(tmedia_jitterbuffer_t* self, void* data, tsk_size_t data_size, const tsk_object_t* proto_hdr)
{
if(!self || !self->plugin || !self->plugin->put){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(!self->opened){
TSK_DEBUG_ERROR("JitterBuffer not opened");
return -1;
}
return self->plugin->put(self, data, data_size, proto_hdr);
}
tsk_size_t tmedia_jitterbuffer_get(tmedia_jitterbuffer_t* self, void* out_data, tsk_size_t out_size)
{
if(!self || !self->plugin || !self->plugin->get){
TSK_DEBUG_ERROR("Invalid parameter");
return 0;
}
if(!self->opened){
TSK_DEBUG_ERROR("JitterBuffer not opened");
return 0;
}
return self->plugin->get(self, out_data, out_size);
}
int tmedia_jitterbuffer_reset(tmedia_jitterbuffer_t* self)
{
if(!self || !self->plugin){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(self->opened && self->plugin->reset){
return self->plugin->reset(self);
}
return 0;
}
int tmedia_jitterbuffer_close(tmedia_jitterbuffer_t* self)
{
if(!self || !self->plugin){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(!self->opened){
TSK_DEBUG_WARN("JitterBuffer not opened");
return 0;
}
if(self->plugin->close){
int ret;
if((ret = self->plugin->close(self))){
TSK_DEBUG_ERROR("Failed to close [%s] jitterbufferr", self->plugin->desc);
return ret;
}
else{
self->opened = tsk_false;
return 0;
}
}
else{
self->opened = tsk_false;
return 0;
}
}
int tmedia_jitterbuffer_deinit(tmedia_jitterbuffer_t* self)
{
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if(self->opened){
tmedia_jitterbuffer_close(self);
}
return 0;
}
tmedia_jitterbuffer_t* tmedia_jitterbuffer_create(tmedia_type_t type)
{
tmedia_jitterbuffer_t* jitter_buffer = tsk_null;
const tmedia_jitterbuffer_plugin_def_t* plugin;
tsk_size_t i = 0;
while((i < TMED_JITTER_BUFFER_MAX_PLUGINS) && (plugin = __tmedia_jitterbuffer_plugins[i++])){
if(plugin->objdef && plugin->type == type){
if((jitter_buffer = tsk_object_new(plugin->objdef))){
/* initialize the newly created jitter_buffer */
jitter_buffer->plugin = plugin;
break;
}
}
}
return jitter_buffer;
}
int tmedia_jitterbuffer_plugin_register(const tmedia_jitterbuffer_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_JITTER_BUFFER_MAX_PLUGINS; i++){
if(!__tmedia_jitterbuffer_plugins[i] || (__tmedia_jitterbuffer_plugins[i] == plugin)){
__tmedia_jitterbuffer_plugins[i] = plugin;
return 0;
}
}
TSK_DEBUG_ERROR("There are already %d plugins.", TMED_JITTER_BUFFER_MAX_PLUGINS);
return -2;
}
/**@ingroup tmedia_jitterbuffer_group
* UnRegisters a jitter_buffer plugin.
* @param plugin the definition of the plugin.
* @retval Zero if succeed and non-zero error code otherwise.
*/
int tmedia_jitterbuffer_plugin_unregister(const tmedia_jitterbuffer_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_JITTER_BUFFER_MAX_PLUGINS && __tmedia_jitterbuffer_plugins[i]; i++){
if(__tmedia_jitterbuffer_plugins[i] == plugin){
__tmedia_jitterbuffer_plugins[i] = tsk_null;
found = tsk_true;
break;
}
}
/* compact */
if(found){
for(; i<(TMED_JITTER_BUFFER_MAX_PLUGINS - 1); i++){
if(__tmedia_jitterbuffer_plugins[i+1]){
__tmedia_jitterbuffer_plugins[i] = __tmedia_jitterbuffer_plugins[i+1];
}
else{
break;
}
}
__tmedia_jitterbuffer_plugins[i] = tsk_null;
}
return (found ? 0 : -2);
}
int tmedia_jitterbuffer_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_JITTER_BUFFER_MAX_PLUGINS && __tmedia_jitterbuffer_plugins[i]; i++){
if((__tmedia_jitterbuffer_plugins[i]->type & type) == __tmedia_jitterbuffer_plugins[i]->type){
__tmedia_jitterbuffer_plugins[i] = tsk_null;
found = tsk_true;
break;
}
}
/* compact */
if(found){
for(; i<(TMED_JITTER_BUFFER_MAX_PLUGINS - 1); i++){
if(__tmedia_jitterbuffer_plugins[i+1]){
__tmedia_jitterbuffer_plugins[i] = __tmedia_jitterbuffer_plugins[i+1];
}
else{
break;
}
}
__tmedia_jitterbuffer_plugins[i] = tsk_null;
}
return (found ? 0 : -2);
} |