FreeRDP/channels/tsmf/client/tsmf_decoder.c
2019-11-07 10:53:54 +01:00

123 lines
2.5 KiB
C

/**
* 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)
{
ITSMFDecoder* decoder;
TSMF_DECODER_ENTRY entry;
entry = (TSMF_DECODER_ENTRY)(void*)freerdp_load_channel_addin_entry("tsmf", name, "decoder", 0);
if (!entry)
return NULL;
decoder = entry();
if (!decoder)
{
WLog_ERR(TAG, "failed to call export function in %s", name);
return NULL;
}
return decoder;
}
static BOOL tsmf_decoder_set_format(ITSMFDecoder* decoder, TS_AM_MEDIA_TYPE* media_type)
{
if (decoder->SetFormat(decoder, media_type))
return TRUE;
else
return FALSE;
}
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);
}
#if defined(WITH_GSTREAMER_1_0) || defined(WITH_GSTREAMER_0_10)
if (!decoder)
decoder = tsmf_load_decoder_by_name("gstreamer");
#endif
#if defined(WITH_FFMPEG)
if (!decoder)
decoder = tsmf_load_decoder_by_name("ffmpeg");
#endif
if (decoder)
{
if (!tsmf_decoder_set_format(decoder, media_type))
{
decoder->Free(decoder);
decoder = NULL;
}
}
return decoder;
}
BOOL tsmf_check_decoder_available(const char* name)
{
ITSMFDecoder* decoder = NULL;
BOOL retValue = FALSE;
if (name)
{
decoder = tsmf_load_decoder_by_name(name);
}
#if defined(WITH_GSTREAMER_1_0) || defined(WITH_GSTREAMER_0_10)
if (!decoder)
decoder = tsmf_load_decoder_by_name("gstreamer");
#endif
#if defined(WITH_FFMPEG)
if (!decoder)
decoder = tsmf_load_decoder_by_name("ffmpeg");
#endif
if (decoder)
{
decoder->Free(decoder);
decoder = NULL;
retValue = TRUE;
}
return retValue;
}