FreeRDP/libfreerdp/core/codecs.c

/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * RDP Codecs
 *
 * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
 *
 * 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 "rdp.h"

#include <freerdp/codecs.h>

int freerdp_client_codecs_prepare(rdpCodecs* codecs, UINT32 flags)
{
	if (flags & FREERDP_CODEC_INTERLEAVED)
	{
		if (!codecs->interleaved)
		{
			codecs->interleaved = bitmap_interleaved_context_new(FALSE);
		}
	}

	if (flags & FREERDP_CODEC_PLANAR)
	{
		if (!codecs->planar)
		{
			codecs->planar = freerdp_bitmap_planar_context_new(FALSE, 64, 64);
		}
	}

	if (flags & FREERDP_CODEC_NSCODEC)
	{
		if (!codecs->nsc)
		{
			codecs->nsc = nsc_context_new();
		}
	}

	if (flags & FREERDP_CODEC_REMOTEFX)
	{
		if (!codecs->rfx)
		{
			codecs->rfx = rfx_context_new(FALSE);
		}
	}

	if (flags & FREERDP_CODEC_CLEARCODEC)
	{
		if (!codecs->clear)
		{
			codecs->clear = clear_context_new(FALSE);
		}
	}

	if (flags & FREERDP_CODEC_ALPHACODEC)
	{

	}

	if (flags & FREERDP_CODEC_PROGRESSIVE)
	{
		if (!codecs->progressive)
		{
			codecs->progressive = progressive_context_new(FALSE);
		}
	}

	if (flags & FREERDP_CODEC_H264)
	{
		if (!codecs->h264)
		{
			codecs->h264 = h264_context_new(FALSE);
		}
	}

	return 1;
}

int freerdp_client_codecs_reset(rdpCodecs* codecs, UINT32 flags)
{
	if (flags & FREERDP_CODEC_INTERLEAVED)
	{
		if (codecs->interleaved)
		{
			bitmap_interleaved_context_reset(codecs->interleaved);
		}
	}

	if (flags & FREERDP_CODEC_PLANAR)
	{
		if (codecs->planar)
		{
			freerdp_bitmap_planar_context_reset(codecs->planar);
		}
	}

	if (flags & FREERDP_CODEC_NSCODEC)
	{
		if (codecs->nsc)
		{
			nsc_context_reset(codecs->nsc);
		}
	}

	if (flags & FREERDP_CODEC_REMOTEFX)
	{
		if (codecs->rfx)
		{
			rfx_context_reset(codecs->rfx);
		}
	}

	if (flags & FREERDP_CODEC_CLEARCODEC)
	{
		if (codecs->clear)
		{
			clear_context_reset(codecs->clear);
		}
	}

	if (flags & FREERDP_CODEC_ALPHACODEC)
	{

	}

	if (flags & FREERDP_CODEC_PROGRESSIVE)
	{
		if (codecs->progressive)
		{
			progressive_context_reset(codecs->progressive);
		}
	}

	if (flags & FREERDP_CODEC_H264)
	{
		if (codecs->h264)
		{
			h264_context_reset(codecs->h264);
		}
	}

	return 1;
}

rdpCodecs* codecs_new(rdpContext* context)
{
	rdpCodecs* codecs;

	codecs = (rdpCodecs*) calloc(1, sizeof(rdpCodecs));

	if (codecs)
	{
		codecs->context = context;
	}

	return codecs;
}

void codecs_free(rdpCodecs* codecs)
{
	if (!codecs)
		return;

	if (codecs->rfx)
	{
		rfx_context_free(codecs->rfx);
		codecs->rfx = NULL;
	}

	if (codecs->nsc)
	{
		nsc_context_free(codecs->nsc);
		codecs->nsc = NULL;
	}

	if (codecs->h264)
	{
		h264_context_free(codecs->h264);
		codecs->h264 = NULL;
	}

	if (codecs->clear)
	{
		clear_context_free(codecs->clear);
		codecs->clear = NULL;
	}

	if (codecs->progressive)
	{
		progressive_context_free(codecs->progressive);
		codecs->progressive = NULL;
	}

	if (codecs->planar)
	{
		freerdp_bitmap_planar_context_free(codecs->planar);
		codecs->planar = NULL;
	}

	if (codecs->interleaved)
	{
		bitmap_interleaved_context_free(codecs->interleaved);
		codecs->interleaved = NULL;
	}

	free(codecs);
}