/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * Video Redirection Virtual Channel - Decoder
 *
 * Copyright 2010-2011 Vic Lee
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <freerdp/addin.h>
#include <freerdp/client/channels.h>

#include "tsmf_types.h"
#include "tsmf_constants.h"
#include "tsmf_decoder.h"

static ITSMFDecoder *tsmf_load_decoder_by_name(const char *name, TS_AM_MEDIA_TYPE *media_type)
{
	ITSMFDecoder *decoder;
	TSMF_DECODER_ENTRY entry;
	entry = (TSMF_DECODER_ENTRY) freerdp_load_channel_addin_entry("tsmf", (LPSTR) name, "decoder", 0);
	if(entry == NULL)
		return NULL;
	decoder = entry();
	if(decoder == NULL)
	{
		CLOG_ERR("failed to call export function in %s", name);
		return NULL;
	}
	if(!decoder->SetFormat(decoder, media_type))
	{
		decoder->Free(decoder);
		decoder = NULL;
	}
	return decoder;
}

ITSMFDecoder *tsmf_load_decoder(const char *name, TS_AM_MEDIA_TYPE *media_type)
{
	ITSMFDecoder *decoder = NULL;
	if(name)
	{
		decoder = tsmf_load_decoder_by_name(name, media_type);
	}
#if defined(WITH_GSTREAMER_1_0) || defined(WITH_GSTREAMER_0_10)
	if(!decoder)
		decoder = tsmf_load_decoder_by_name("gstreamer", media_type);
#endif
#if defined(WITH_FFMPEG)
	if(!decoder)
		decoder = tsmf_load_decoder_by_name("ffmpeg", media_type);
#endif
	return decoder;
}