ea679b2d8b
This patch adds some checks for the TSMF channel: * checks malloc / calloc / strdup / _strdup return value * checks for available bytew before reading in a stream
75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Video Redirection Virtual Channel - Decoder
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*
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* Copyright 2010-2011 Vic Lee
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* Copyright 2012 Hewlett-Packard Development Company, L.P.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __TSMF_DECODER_H
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#define __TSMF_DECODER_H
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#include "tsmf_types.h"
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typedef enum _ITSMFControlMsg
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{
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Control_Pause,
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Control_Resume,
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Control_Stop
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} ITSMFControlMsg;
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typedef struct _ITSMFDecoder ITSMFDecoder;
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struct _ITSMFDecoder
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{
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/* Set the decoder format. Return true if supported. */
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BOOL (*SetFormat)(ITSMFDecoder *decoder, TS_AM_MEDIA_TYPE *media_type);
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/* Decode a sample. */
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BOOL (*Decode)(ITSMFDecoder *decoder, const BYTE *data, UINT32 data_size, UINT32 extensions);
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/* Get the decoded data */
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BYTE *(*GetDecodedData)(ITSMFDecoder *decoder, UINT32 *size);
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/* Get the pixel format of decoded video frame */
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UINT32(*GetDecodedFormat)(ITSMFDecoder *decoder);
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/* Get the width and height of decoded video frame */
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BOOL (*GetDecodedDimension)(ITSMFDecoder *decoder, UINT32 *width, UINT32 *height);
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/* Free the decoder */
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void (*Free)(ITSMFDecoder *decoder);
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/* Optional Contol function */
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BOOL (*Control)(ITSMFDecoder *decoder, ITSMFControlMsg control_msg, UINT32 *arg);
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/* Decode a sample with extended interface. */
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int (*DecodeEx)(ITSMFDecoder *decoder, const BYTE *data, UINT32 data_size, UINT32 extensions,
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UINT64 start_time, UINT64 end_time, UINT64 duration);
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/* Get current play time */
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UINT64(*GetRunningTime)(ITSMFDecoder *decoder);
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/* Update Gstreamer Rendering Area */
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BOOL (*UpdateRenderingArea)(ITSMFDecoder *decoder, int newX, int newY, int newWidth, int newHeight, int numRectangles, RDP_RECT *rectangles);
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/* Change Gstreamer Audio Volume */
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BOOL (*ChangeVolume)(ITSMFDecoder *decoder, UINT32 newVolume, UINT32 muted);
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/* Check buffer level */
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BOOL (*BufferFilled)(ITSMFDecoder *decoder);
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/* Register a callback for frame ack. */
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BOOL (*SetAckFunc)(ITSMFDecoder *decoder, BOOL (*cb)(void *,BOOL), void *stream);
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/* Register a callback for stream seek detection. */
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BOOL (*SetSyncFunc)(ITSMFDecoder *decoder, void (*cb)(void *), void *stream);
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};
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#define TSMF_DECODER_EXPORT_FUNC_NAME "TSMFDecoderEntry"
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typedef ITSMFDecoder *(*TSMF_DECODER_ENTRY)(void);
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ITSMFDecoder *tsmf_load_decoder(const char *name, TS_AM_MEDIA_TYPE *media_type);
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#endif
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