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#if HAVE_CRT
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#endif //HAVE_CRT
/*
* Copyright (C) 2010-2014 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.
*
*/
/**@file tmedia_consumer.c
* @brief Base consumer object.
*/ |
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#include "tinymedia/tmedia_consumer.h"
#include "tinymedia/tmedia_defaults.h"
#include "tsk_debug.h"
/**@defgroup tmedia_consumer_group Producers
*/
/* pointer to all registered consumers */
static const tmedia_consumer_plugin_def_t* __tmedia_consumer_plugins[TMED_CONSUMER_MAX_PLUGINS] = {0};
/**@ingroup tmedia_consumer_group
* Initialize the consumer.
* @param self The consumer to initialize
* @retval Zero if succeed and non-zero error code otherwise.
*
* @sa @ref tmedia_consumer_deinit
*/
int tmedia_consumer_init(tmedia_consumer_t* self)
{
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
self->video.in.chroma = TMEDIA_CONSUMER_CHROMA_DEFAULT;
self->video.display.chroma = TMEDIA_CONSUMER_CHROMA_DEFAULT;
self->audio.bits_per_sample = TMEDIA_CONSUMER_BITS_PER_SAMPLE_DEFAULT;
self->audio.ptime = tmedia_defaults_get_audio_ptime();
self->audio.volume = tmedia_defaults_get_volume();
return 0;
}
/**@ingroup tmedia_consumer_group
* @retval Zero if succeed and non-zero error code otherwise
*/
int tmedia_consumer_set(tmedia_consumer_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_consumer_group
* Alert the consumer to be prepared to start.
* @param self the consumer to prepare
* @param codec Negociated codec
* @retval Zero if succeed and non-zero error code otherwise
*/
int tmedia_consumer_prepare(tmedia_consumer_t *self, const tmedia_codec_t* codec)
{
int ret;
if(!self || !self->plugin || !self->plugin->prepare || !codec){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if((ret = self->plugin->prepare(self, codec)) == 0){
self->is_prepared = tsk_true;
}
return ret;
}
/**@ingroup tmedia_consumer_group
* Starts the consumer
* @param self The consumer to start
* @retval Zero if succeed and non-zero error code otherwise
*/
int tmedia_consumer_start(tmedia_consumer_t *self)
{
int ret;
if (!self || !self->plugin || !self->plugin->start) {
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if ((ret = self->plugin->start(self)) == 0) {
self->is_started = tsk_true;
}
return ret;
}
/**@ingroup tmedia_consumer_group
* Consumes data
* @param self The consumer
* @param buffer Pointer to the data to consume
* @param size Size of the data to consume
*/
int tmedia_consumer_consume(tmedia_consumer_t* self, const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr)
{
if(!self || !self->plugin || !self->plugin->consume){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
} |
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}
/**@ingroup tmedia_consumer_group
* Pauses the consumer
* @param self The consumer to pause
* @retval Zero if succeed and non-zero error code otherwise
*/
int tmedia_consumer_pause(tmedia_consumer_t *self)
{
if(!self || !self->plugin || !self->plugin->pause){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
return self->plugin->pause(self);
}
/**@ingroup tmedia_consumer_group
* Stops the consumer
* @param self The consumer to stop
* @retval Zero if succeed and non-zero error code otherwise
*/
int tmedia_consumer_stop(tmedia_consumer_t *self)
{
int ret;
if (!self || !self->plugin || !self->plugin->stop) {
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
if ((ret = self->plugin->stop(self)) == 0) {
self->is_started = tsk_false;
}
return ret;
}
/**@ingroup tmedia_consumer_group
* DeInitialize the consumer.
* @param self The consumer to deinitialize
* @retval Zero if succeed and non-zero error code otherwise.
*
* @sa @ref tmedia_consumer_deinit
*/
int tmedia_consumer_deinit(tmedia_consumer_t* self)
{
if(!self){
TSK_DEBUG_ERROR("Invalid parameter");
return -1;
}
return 0;
}
/**@ingroup tmedia_consumer_group
* Creates a new consumer using an already registered plugin.
* @param type The type of the consumer to create
* @param session_id
* @sa @ref tmedia_consumer_plugin_register()
*/
tmedia_consumer_t* tmedia_consumer_create(tmedia_type_t type, uint64_t session_id)
{
tmedia_consumer_t* consumer = tsk_null;
const tmedia_consumer_plugin_def_t* plugin;
tsk_size_t i = 0;
while((i < TMED_CONSUMER_MAX_PLUGINS) && (plugin = __tmedia_consumer_plugins[i++])){
if(plugin->objdef && plugin->type == type){
if((consumer = tsk_object_new(plugin->objdef))){
/* initialize the newly created consumer */
consumer->plugin = plugin;
consumer->session_id = session_id;
break;
}
}
}
return consumer;
}
/**@ingroup tmedia_consumer_group
* Registers a consumer plugin.
* @param plugin the definition of the plugin.
* @retval Zero if succeed and non-zero error code otherwise.
* @sa @ref tmedia_consumer_create()
*/
int tmedia_consumer_plugin_register(const tmedia_consumer_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_CONSUMER_MAX_PLUGINS; i++){
if(!__tmedia_consumer_plugins[i] || (__tmedia_consumer_plugins[i] == plugin)){
__tmedia_consumer_plugins[i] = plugin;
return 0;
}
}
TSK_DEBUG_ERROR("There are already %d plugins.", TMED_CONSUMER_MAX_PLUGINS);
return -2;
}
/**@ingroup tmedia_consumer_group
* UnRegisters a consumer plugin.
* @param plugin the definition of the plugin.
* @retval Zero if succeed and non-zero error code otherwise.
*/
int tmedia_consumer_plugin_unregister(const tmedia_consumer_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_CONSUMER_MAX_PLUGINS && __tmedia_consumer_plugins[i]; i++){
if(__tmedia_consumer_plugins[i] == plugin){
__tmedia_consumer_plugins[i] = tsk_null;
found = tsk_true;
break;
}
}
/* compact */
if(found){
for(; i<(TMED_CONSUMER_MAX_PLUGINS - 1); i++){
if(__tmedia_consumer_plugins[i+1]){
__tmedia_consumer_plugins[i] = __tmedia_consumer_plugins[i+1];
}
else{
break;
}
}
__tmedia_consumer_plugins[i] = tsk_null;
}
return (found ? 0 : -2);
}
/**@ingroup tmedia_consumer_group
* UnRegisters all consumers matching the given type.
* @param type the type of the consumers to unregister (e.g. audio|video).
* @retval Zero if succeed and non-zero error code otherwise.
*/
int tmedia_consumer_plugin_unregister_by_type(tmedia_type_t type)
{
int i, j;
/* find the plugin to unregister */
for (i = 0; i < TMED_CONSUMER_MAX_PLUGINS && __tmedia_consumer_plugins[i]; ) {
if ((__tmedia_consumer_plugins[i]->type & type) == __tmedia_consumer_plugins[i]->type) {
__tmedia_consumer_plugins[i] = tsk_null;
/* compact */
for (j = i; j < (TMED_CONSUMER_MAX_PLUGINS - 1) && __tmedia_consumer_plugins[j + 1]; ++j) {
__tmedia_consumer_plugins[j] = __tmedia_consumer_plugins[j + 1];
}
__tmedia_consumer_plugins[j] = tsk_null;
}
else {
++i;
}
}
return 0;
} |