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.
 */

#include <freerdp/config.h>

#include <winpr/assert.h>

#include "rdp.h"

#include <freerdp/codecs.h>

#define TAG FREERDP_TAG("core.codecs")

static void codecs_free_int(rdpCodecs* codecs, UINT32 flags)
{
	WINPR_ASSERT(codecs);

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

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

#ifdef WITH_GFX_H264
	if (flags & (FREERDP_CODEC_AVC420 | FREERDP_CODEC_AVC444))
	{
		if (codecs->h264)
		{
			h264_context_free(codecs->h264);
			codecs->h264 = NULL;
		}
	}
#endif

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

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

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

	if (flags & FREERDP_CODEC_INTERLEAVED)
	{
		if (codecs->interleaved)
		{
			bitmap_interleaved_context_free(codecs->interleaved);
			codecs->interleaved = NULL;
		}
	}
}
BOOL freerdp_client_codecs_prepare(rdpCodecs* codecs, UINT32 flags, UINT32 width, UINT32 height)
{
	codecs_free_int(codecs, flags);
	if ((flags & FREERDP_CODEC_INTERLEAVED))
	{
		if (!(codecs->interleaved = bitmap_interleaved_context_new(FALSE)))
		{
			WLog_ERR(TAG, "Failed to create interleaved codec context");
			return FALSE;
		}
	}

	if ((flags & FREERDP_CODEC_PLANAR))
	{
		if (!(codecs->planar = freerdp_bitmap_planar_context_new(0, 64, 64)))
		{
			WLog_ERR(TAG, "Failed to create planar bitmap codec context");
			return FALSE;
		}
	}

	if ((flags & FREERDP_CODEC_NSCODEC))
	{
		if (!(codecs->nsc = nsc_context_new()))
		{
			WLog_ERR(TAG, "Failed to create nsc codec context");
			return FALSE;
		}
	}

	UINT32 threadingFlags =
	    freerdp_settings_get_uint32(codecs->context->settings, FreeRDP_ThreadingFlags);
	if ((flags & FREERDP_CODEC_REMOTEFX))
	{
		if (!(codecs->rfx = rfx_context_new_ex(FALSE, threadingFlags)))
		{
			WLog_ERR(TAG, "Failed to create rfx codec context");
			return FALSE;
		}
	}

	if ((flags & FREERDP_CODEC_CLEARCODEC))
	{
		if (!(codecs->clear = clear_context_new(FALSE)))
		{
			WLog_ERR(TAG, "Failed to create clear codec context");
			return FALSE;
		}
	}

	if (flags & FREERDP_CODEC_ALPHACODEC)
	{
	}

	if ((flags & FREERDP_CODEC_PROGRESSIVE))
	{
		if (!(codecs->progressive = progressive_context_new_ex(FALSE, threadingFlags)))
		{
			WLog_ERR(TAG, "Failed to create progressive codec context");
			return FALSE;
		}
	}

#ifdef WITH_GFX_H264
	if ((flags & (FREERDP_CODEC_AVC420 | FREERDP_CODEC_AVC444)))
	{
		if (!(codecs->h264 = h264_context_new(FALSE)))
		{
			WLog_WARN(TAG, "Failed to create h264 codec context");
		}
	}
#endif

	return freerdp_client_codecs_reset(codecs, flags, width, height);
}

BOOL freerdp_client_codecs_reset(rdpCodecs* codecs, UINT32 flags, UINT32 width, UINT32 height)
{
	BOOL rc = TRUE;

	if (flags & FREERDP_CODEC_INTERLEAVED)
	{
		if (codecs->interleaved)
		{
			rc &= bitmap_interleaved_context_reset(codecs->interleaved);
		}
	}

	if (flags & FREERDP_CODEC_PLANAR)
	{
		if (codecs->planar)
		{
			rc &= freerdp_bitmap_planar_context_reset(codecs->planar, width, height);
		}
	}

	if (flags & FREERDP_CODEC_NSCODEC)
	{
		if (codecs->nsc)
		{
			rc &= nsc_context_reset(codecs->nsc, width, height);
		}
	}

	if (flags & FREERDP_CODEC_REMOTEFX)
	{
		if (codecs->rfx)
		{
			rc &= rfx_context_reset(codecs->rfx, width, height);
		}
	}

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

	if (flags & FREERDP_CODEC_ALPHACODEC)
	{
	}

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

#ifdef WITH_GFX_H264
	if (flags & (FREERDP_CODEC_AVC420 | FREERDP_CODEC_AVC444))
	{
		if (codecs->h264)
		{
			rc &= h264_context_reset(codecs->h264, width, height);
		}
	}
#endif

	return rc;
}

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;

	codecs_free_int(codecs, FREERDP_CODEC_ALL);

	free(codecs);
}