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FreeRDP/libfreerdp/codec/h264.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* H.264 Bitmap Compression
*
* Copyright 2014 Mike McDonald <Mike.McDonald@software.dell.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 <winpr/crt.h>
#include <winpr/print.h>
#include <winpr/bitstream.h>
#include <freerdp/primitives.h>
#include <freerdp/codec/h264.h>
#include <freerdp/log.h>
#define TAG FREERDP_TAG("codec")
/**
* Dummy subsystem
*/
static int dummy_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize)
{
return -1;
}
static void dummy_uninit(H264_CONTEXT* h264)
{
}
static BOOL dummy_init(H264_CONTEXT* h264)
{
return TRUE;
}
static H264_CONTEXT_SUBSYSTEM g_Subsystem_dummy =
{
"dummy",
dummy_init,
dummy_uninit,
dummy_decompress
};
/**
* Media Foundation subsystem
*/
#if defined(_WIN32) && defined(WITH_MEDIA_FOUNDATION)
#include <ks.h>
#include <codecapi.h>
#include <mfapi.h>
#include <mferror.h>
#include <wmcodecdsp.h>
#include <mftransform.h>
#undef DEFINE_GUID
#define INITGUID
#include <initguid.h>
DEFINE_GUID(CLSID_CMSH264DecoderMFT,0x62CE7E72,0x4C71,0x4d20,0xB1,0x5D,0x45,0x28,0x31,0xA8,0x7D,0x9D);
DEFINE_GUID(CLSID_VideoProcessorMFT,0x88753b26,0x5b24,0x49bd,0xb2,0xe7,0x0c,0x44,0x5c,0x78,0xc9,0x82);
DEFINE_GUID(IID_IMFTransform,0xbf94c121,0x5b05,0x4e6f,0x80,0x00,0xba,0x59,0x89,0x61,0x41,0x4d);
DEFINE_GUID(MF_MT_MAJOR_TYPE,0x48eba18e,0xf8c9,0x4687,0xbf,0x11,0x0a,0x74,0xc9,0xf9,0x6a,0x8f);
DEFINE_GUID(MF_MT_FRAME_SIZE,0x1652c33d,0xd6b2,0x4012,0xb8,0x34,0x72,0x03,0x08,0x49,0xa3,0x7d);
DEFINE_GUID(MF_MT_DEFAULT_STRIDE,0x644b4e48,0x1e02,0x4516,0xb0,0xeb,0xc0,0x1c,0xa9,0xd4,0x9a,0xc6);
DEFINE_GUID(MF_MT_SUBTYPE,0xf7e34c9a,0x42e8,0x4714,0xb7,0x4b,0xcb,0x29,0xd7,0x2c,0x35,0xe5);
DEFINE_GUID(MF_XVP_DISABLE_FRC,0x2c0afa19,0x7a97,0x4d5a,0x9e,0xe8,0x16,0xd4,0xfc,0x51,0x8d,0x8c);
DEFINE_GUID(MFMediaType_Video,0x73646976,0x0000,0x0010,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71);
DEFINE_GUID(MFVideoFormat_RGB32,22,0x0000,0x0010,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71);
DEFINE_GUID(MFVideoFormat_ARGB32,21,0x0000,0x0010,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71);
DEFINE_GUID(MFVideoFormat_H264,0x34363248,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(MFVideoFormat_IYUV,0x56555949,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(IID_ICodecAPI,0x901db4c7,0x31ce,0x41a2,0x85,0xdc,0x8f,0xa0,0xbf,0x41,0xb8,0xda);
DEFINE_GUID(CODECAPI_AVLowLatencyMode,0x9c27891a,0xed7a,0x40e1,0x88,0xe8,0xb2,0x27,0x27,0xa0,0x24,0xee);
DEFINE_GUID(CODECAPI_AVDecVideoMaxCodedWidth,0x5ae557b8,0x77af,0x41f5,0x9f,0xa6,0x4d,0xb2,0xfe,0x1d,0x4b,0xca);
DEFINE_GUID(CODECAPI_AVDecVideoMaxCodedHeight,0x7262a16a,0xd2dc,0x4e75,0x9b,0xa8,0x65,0xc0,0xc6,0xd3,0x2b,0x13);
#ifndef __IMFDXGIDeviceManager_FWD_DEFINED__
#define __IMFDXGIDeviceManager_FWD_DEFINED__
typedef interface IMFDXGIDeviceManager IMFDXGIDeviceManager;
#endif /* __IMFDXGIDeviceManager_FWD_DEFINED__ */
#ifndef __IMFDXGIDeviceManager_INTERFACE_DEFINED__
#define __IMFDXGIDeviceManager_INTERFACE_DEFINED__
typedef struct IMFDXGIDeviceManagerVtbl
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(IMFDXGIDeviceManager* This, REFIID riid, void** ppvObject);
ULONG (STDMETHODCALLTYPE * AddRef)(IMFDXGIDeviceManager* This);
ULONG (STDMETHODCALLTYPE * Release)(IMFDXGIDeviceManager* This);
HRESULT (STDMETHODCALLTYPE * CloseDeviceHandle)(IMFDXGIDeviceManager* This, HANDLE hDevice);
HRESULT (STDMETHODCALLTYPE * GetVideoService)(IMFDXGIDeviceManager* This, HANDLE hDevice, REFIID riid, void** ppService);
HRESULT (STDMETHODCALLTYPE * LockDevice)(IMFDXGIDeviceManager* This, HANDLE hDevice, REFIID riid, void** ppUnkDevice, BOOL fBlock);
HRESULT (STDMETHODCALLTYPE * OpenDeviceHandle)(IMFDXGIDeviceManager* This, HANDLE* phDevice);
HRESULT (STDMETHODCALLTYPE * ResetDevice)(IMFDXGIDeviceManager* This, IUnknown* pUnkDevice, UINT resetToken);
HRESULT (STDMETHODCALLTYPE * TestDevice)(IMFDXGIDeviceManager* This, HANDLE hDevice);
HRESULT (STDMETHODCALLTYPE * UnlockDevice)(IMFDXGIDeviceManager* This, HANDLE hDevice, BOOL fSaveState);
}
IMFDXGIDeviceManagerVtbl;
interface IMFDXGIDeviceManager
{
CONST_VTBL struct IMFDXGIDeviceManagerVtbl* lpVtbl;
};
#endif /* __IMFDXGIDeviceManager_INTERFACE_DEFINED__ */
typedef HRESULT (__stdcall * pfnMFStartup)(ULONG Version, DWORD dwFlags);
typedef HRESULT (__stdcall * pfnMFShutdown)(void);
typedef HRESULT (__stdcall * pfnMFCreateSample)(IMFSample** ppIMFSample);
typedef HRESULT (__stdcall * pfnMFCreateMemoryBuffer)(DWORD cbMaxLength, IMFMediaBuffer** ppBuffer);
typedef HRESULT (__stdcall * pfnMFCreateMediaType)(IMFMediaType** ppMFType);
typedef HRESULT (__stdcall * pfnMFCreateDXGIDeviceManager)(UINT* pResetToken, IMFDXGIDeviceManager** ppDXVAManager);
struct _H264_CONTEXT_MF
{
ICodecAPI* codecApi;
IMFTransform* transform;
IMFMediaType* inputType;
IMFMediaType* outputType;
IMFSample* sample;
UINT32 frameWidth;
UINT32 frameHeight;
IMFSample* outputSample;
IMFMediaBuffer* outputBuffer;
HMODULE mfplat;
pfnMFStartup MFStartup;
pfnMFShutdown MFShutdown;
pfnMFCreateSample MFCreateSample;
pfnMFCreateMemoryBuffer MFCreateMemoryBuffer;
pfnMFCreateMediaType MFCreateMediaType;
pfnMFCreateDXGIDeviceManager MFCreateDXGIDeviceManager;
};
typedef struct _H264_CONTEXT_MF H264_CONTEXT_MF;
static HRESULT mf_find_output_type(H264_CONTEXT_MF* sys, const GUID* guid, IMFMediaType** ppMediaType)
{
DWORD idx = 0;
GUID mediaGuid;
HRESULT hr = S_OK;
IMFMediaType* pMediaType = NULL;
while (1)
{
hr = sys->transform->lpVtbl->GetOutputAvailableType(sys->transform, 0, idx, &pMediaType);
if (FAILED(hr))
break;
pMediaType->lpVtbl->GetGUID(pMediaType, &MF_MT_SUBTYPE, &mediaGuid);
if (IsEqualGUID(&mediaGuid, guid))
{
*ppMediaType = pMediaType;
return S_OK;
}
pMediaType->lpVtbl->Release(pMediaType);
idx++;
}
return hr;
}
static HRESULT mf_create_output_sample(H264_CONTEXT_MF* sys)
{
HRESULT hr = S_OK;
MFT_OUTPUT_STREAM_INFO streamInfo;
if (sys->outputSample)
{
sys->outputSample->lpVtbl->Release(sys->outputSample);
sys->outputSample = NULL;
}
hr = sys->MFCreateSample(&sys->outputSample);
if (FAILED(hr))
{
WLog_ERR(TAG, "MFCreateSample failure: 0x%04X", hr);
goto error;
}
hr = sys->transform->lpVtbl->GetOutputStreamInfo(sys->transform, 0, &streamInfo);
if (FAILED(hr))
{
WLog_ERR(TAG, "GetOutputStreamInfo failure: 0x%04X", hr);
goto error;
}
hr = sys->MFCreateMemoryBuffer(streamInfo.cbSize, &sys->outputBuffer);
if (FAILED(hr))
{
WLog_ERR(TAG, "MFCreateMemoryBuffer failure: 0x%04X", hr);
goto error;
}
sys->outputSample->lpVtbl->AddBuffer(sys->outputSample, sys->outputBuffer);
if (FAILED(hr))
{
WLog_ERR(TAG, "AddBuffer failure: 0x%04X", hr);
goto error;
}
sys->outputBuffer->lpVtbl->Release(sys->outputBuffer);
error:
return hr;
}
static int mf_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize)
{
HRESULT hr;
BYTE* pbBuffer = NULL;
DWORD cbMaxLength = 0;
DWORD cbCurrentLength = 0;
DWORD outputStatus = 0;
IMFSample* inputSample = NULL;
IMFMediaBuffer* inputBuffer = NULL;
IMFMediaBuffer* outputBuffer = NULL;
MFT_OUTPUT_DATA_BUFFER outputDataBuffer;
H264_CONTEXT_MF* sys = (H264_CONTEXT_MF*) h264->pSystemData;
hr = sys->MFCreateMemoryBuffer(SrcSize, &inputBuffer);
if (FAILED(hr))
{
WLog_ERR(TAG, "MFCreateMemoryBuffer failure: 0x%04X", hr);
goto error;
}
hr = inputBuffer->lpVtbl->Lock(inputBuffer, &pbBuffer, &cbMaxLength, &cbCurrentLength);
if (FAILED(hr))
{
WLog_ERR(TAG, "Lock failure: 0x%04X", hr);
goto error;
}
CopyMemory(pbBuffer, pSrcData, SrcSize);
hr = inputBuffer->lpVtbl->SetCurrentLength(inputBuffer, SrcSize);
if (FAILED(hr))
{
WLog_ERR(TAG, "SetCurrentLength failure: 0x%04X", hr);
goto error;
}
hr = inputBuffer->lpVtbl->Unlock(inputBuffer);
if (FAILED(hr))
{
WLog_ERR(TAG, "Unlock failure: 0x%04X", hr);
goto error;
}
hr = sys->MFCreateSample(&inputSample);
if (FAILED(hr))
{
WLog_ERR(TAG, "MFCreateSample failure: 0x%04X", hr);
goto error;
}
inputSample->lpVtbl->AddBuffer(inputSample, inputBuffer);
if (FAILED(hr))
{
WLog_ERR(TAG, "AddBuffer failure: 0x%04X", hr);
goto error;
}
inputBuffer->lpVtbl->Release(inputBuffer);
hr = sys->transform->lpVtbl->ProcessInput(sys->transform, 0, inputSample, 0);
if (FAILED(hr))
{
WLog_ERR(TAG, "ProcessInput failure: 0x%04X", hr);
goto error;
}
hr = mf_create_output_sample(sys);
if (FAILED(hr))
{
WLog_ERR(TAG, "mf_create_output_sample failure: 0x%04X", hr);
goto error;
}
outputDataBuffer.dwStreamID = 0;
outputDataBuffer.dwStatus = 0;
outputDataBuffer.pEvents = NULL;
outputDataBuffer.pSample = sys->outputSample;
hr = sys->transform->lpVtbl->ProcessOutput(sys->transform, 0, 1, &outputDataBuffer, &outputStatus);
if (hr == MF_E_TRANSFORM_STREAM_CHANGE)
{
BYTE* pYUVData;
int offset = 0;
UINT32 stride = 0;
UINT64 frameSize = 0;
IMFAttributes* attributes = NULL;
if (sys->outputType)
{
sys->outputType->lpVtbl->Release(sys->outputType);
sys->outputType = NULL;
}
hr = mf_find_output_type(sys, &MFVideoFormat_IYUV, &sys->outputType);
if (FAILED(hr))
{
WLog_ERR(TAG, "mf_find_output_type failure: 0x%04X", hr);
goto error;
}
hr = sys->transform->lpVtbl->SetOutputType(sys->transform, 0, sys->outputType, 0);
if (FAILED(hr))
{
WLog_ERR(TAG, "SetOutputType failure: 0x%04X", hr);
goto error;
}
hr = mf_create_output_sample(sys);
if (FAILED(hr))
{
WLog_ERR(TAG, "mf_create_output_sample failure: 0x%04X", hr);
goto error;
}
hr = sys->outputType->lpVtbl->GetUINT64(sys->outputType, &MF_MT_FRAME_SIZE, &frameSize);
if (FAILED(hr))
{
WLog_ERR(TAG, "GetUINT64(MF_MT_FRAME_SIZE) failure: 0x%04X", hr);
goto error;
}
sys->frameWidth = (UINT32) (frameSize >> 32);
sys->frameHeight = (UINT32) frameSize;
hr = sys->outputType->lpVtbl->GetUINT32(sys->outputType, &MF_MT_DEFAULT_STRIDE, &stride);
if (FAILED(hr))
{
WLog_ERR(TAG, "GetUINT32(MF_MT_DEFAULT_STRIDE) failure: 0x%04X", hr);
goto error;
}
h264->iStride[0] = stride;
h264->iStride[1] = stride / 2;
h264->iStride[2] = stride / 2;
pYUVData = (BYTE*) calloc(1, 2 * stride * sys->frameHeight);
h264->pYUVData[0] = &pYUVData[offset];
pYUVData += h264->iStride[0] * sys->frameHeight;
h264->pYUVData[1] = &pYUVData[offset];
pYUVData += h264->iStride[1] * (sys->frameHeight / 2);
h264->pYUVData[2] = &pYUVData[offset];
pYUVData += h264->iStride[2] * (sys->frameHeight / 2);
h264->width = sys->frameWidth;
h264->height = sys->frameHeight;
}
else if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT)
{
}
else if (FAILED(hr))
{
WLog_ERR(TAG, "ProcessOutput failure: 0x%04X", hr);
goto error;
}
else
{
int offset = 0;
BYTE* buffer = NULL;
DWORD bufferCount = 0;
DWORD cbMaxLength = 0;
DWORD cbCurrentLength = 0;
hr = sys->outputSample->lpVtbl->GetBufferCount(sys->outputSample, &bufferCount);
if (FAILED(hr))
{
WLog_ERR(TAG, "GetBufferCount failure: 0x%04X", hr);
goto error;
}
hr = sys->outputSample->lpVtbl->GetBufferByIndex(sys->outputSample, 0, &outputBuffer);
if (FAILED(hr))
{
WLog_ERR(TAG, "GetBufferByIndex failure: 0x%04X", hr);
goto error;
}
hr = outputBuffer->lpVtbl->Lock(outputBuffer, &buffer, &cbMaxLength, &cbCurrentLength);
if (FAILED(hr))
{
WLog_ERR(TAG, "Lock failure: 0x%04X", hr);
goto error;
}
CopyMemory(h264->pYUVData[0], &buffer[offset], h264->iStride[0] * sys->frameHeight);
offset += h264->iStride[0] * sys->frameHeight;
CopyMemory(h264->pYUVData[1], &buffer[offset], h264->iStride[1] * (sys->frameHeight / 2));
offset += h264->iStride[1] * (sys->frameHeight / 2);
CopyMemory(h264->pYUVData[2], &buffer[offset], h264->iStride[2] * (sys->frameHeight / 2));
offset += h264->iStride[2] * (sys->frameHeight / 2);
hr = outputBuffer->lpVtbl->Unlock(outputBuffer);
if (FAILED(hr))
{
WLog_ERR(TAG, "Unlock failure: 0x%04X", hr);
goto error;
}
outputBuffer->lpVtbl->Release(outputBuffer);
}
inputSample->lpVtbl->Release(inputSample);
return 1;
error:
fprintf(stderr, "mf_decompress error\n");
return -1;
}
static int mf_compress(H264_CONTEXT* h264, BYTE** ppDstData, UINT32* pDstSize)
{
H264_CONTEXT_MF* sys = (H264_CONTEXT_MF*) h264->pSystemData;
return 1;
}
static void mf_uninit(H264_CONTEXT* h264)
{
H264_CONTEXT_MF* sys = (H264_CONTEXT_MF*) h264->pSystemData;
if (sys)
{
if (sys->transform)
{
sys->transform->lpVtbl->Release(sys->transform);
sys->transform = NULL;
}
if (sys->codecApi)
{
sys->codecApi->lpVtbl->Release(sys->codecApi);
sys->codecApi = NULL;
}
if (sys->inputType)
{
sys->inputType->lpVtbl->Release(sys->inputType);
sys->inputType = NULL;
}
if (sys->outputType)
{
sys->outputType->lpVtbl->Release(sys->outputType);
sys->outputType = NULL;
}
if (sys->outputSample)
{
sys->outputSample->lpVtbl->Release(sys->outputSample);
sys->outputSample = NULL;
}
if (sys->mfplat)
{
FreeLibrary(sys->mfplat);
sys->mfplat = NULL;
}
free(h264->pYUVData[0]);
h264->pYUVData[0] = h264->pYUVData[1] = h264->pYUVData[2] = NULL;
h264->iStride[0] = h264->iStride[1] = h264->iStride[2] = 0;
sys->MFShutdown();
CoUninitialize();
free(sys);
h264->pSystemData = NULL;
}
}
static BOOL mf_init(H264_CONTEXT* h264)
{
HRESULT hr;
H264_CONTEXT_MF* sys;
sys = (H264_CONTEXT_MF*) calloc(1, sizeof(H264_CONTEXT_MF));
if (!sys)
goto error;
h264->pSystemData = (void*) sys;
/* http://decklink-sdk-delphi.googlecode.com/svn/trunk/Blackmagic%20DeckLink%20SDK%209.7/Win/Samples/Streaming/StreamingPreview/DecoderMF.cpp */
sys->mfplat = LoadLibraryA("mfplat.dll");
if (!sys->mfplat)
goto error;
sys->MFStartup = (pfnMFStartup) GetProcAddress(sys->mfplat, "MFStartup");
sys->MFShutdown = (pfnMFShutdown) GetProcAddress(sys->mfplat, "MFShutdown");
sys->MFCreateSample = (pfnMFCreateSample) GetProcAddress(sys->mfplat, "MFCreateSample");
sys->MFCreateMemoryBuffer = (pfnMFCreateMemoryBuffer) GetProcAddress(sys->mfplat, "MFCreateMemoryBuffer");
sys->MFCreateMediaType = (pfnMFCreateMediaType) GetProcAddress(sys->mfplat, "MFCreateMediaType");
sys->MFCreateDXGIDeviceManager = (pfnMFCreateDXGIDeviceManager) GetProcAddress(sys->mfplat, "MFCreateDXGIDeviceManager");
if (!sys->MFStartup || !sys->MFShutdown || !sys->MFCreateSample || !sys->MFCreateMemoryBuffer ||
!sys->MFCreateMediaType || !sys->MFCreateDXGIDeviceManager)
goto error;
CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
if (h264->Compressor)
{
}
else
{
VARIANT var = { 0 };
hr = sys->MFStartup(MF_VERSION, 0);
if (FAILED(hr))
{
WLog_ERR(TAG, "MFStartup failure: 0x%04X", hr);
goto error;
}
hr = CoCreateInstance(&CLSID_CMSH264DecoderMFT, NULL, CLSCTX_INPROC_SERVER, &IID_IMFTransform, (void**) &sys->transform);
if (FAILED(hr))
{
WLog_ERR(TAG, "CoCreateInstance(CLSID_CMSH264DecoderMFT) failure: 0x%04X", hr);
goto error;
}
hr = sys->transform->lpVtbl->QueryInterface(sys->transform, &IID_ICodecAPI, (void**) &sys->codecApi);
if (FAILED(hr))
{
WLog_ERR(TAG, "QueryInterface(IID_ICodecAPI) failure: 0x%04X", hr);
goto error;
}
var.vt = VT_UI4;
var.ulVal = 1;
hr = sys->codecApi->lpVtbl->SetValue(sys->codecApi, &CODECAPI_AVLowLatencyMode, &var);
if (FAILED(hr))
{
WLog_ERR(TAG, "SetValue(CODECAPI_AVLowLatencyMode) failure: 0x%04X", hr);
goto error;
}
hr = sys->MFCreateMediaType(&sys->inputType);
if (FAILED(hr))
{
WLog_ERR(TAG, "MFCreateMediaType failure: 0x%04X", hr);
goto error;
}
hr = sys->inputType->lpVtbl->SetGUID(sys->inputType, &MF_MT_MAJOR_TYPE, &MFMediaType_Video);
if (FAILED(hr))
{
WLog_ERR(TAG, "SetGUID(MF_MT_MAJOR_TYPE) failure: 0x%04X", hr);
goto error;
}
hr = sys->inputType->lpVtbl->SetGUID(sys->inputType, &MF_MT_SUBTYPE, &MFVideoFormat_H264);
if (FAILED(hr))
{
WLog_ERR(TAG, "SetGUID(MF_MT_SUBTYPE) failure: 0x%04X", hr);
goto error;
}
hr = sys->transform->lpVtbl->SetInputType(sys->transform, 0, sys->inputType, 0);
if (FAILED(hr))
{
WLog_ERR(TAG, "SetInputType failure: 0x%04X", hr);
goto error;
}
hr = mf_find_output_type(sys, &MFVideoFormat_IYUV, &sys->outputType);
if (FAILED(hr))
{
WLog_ERR(TAG, "mf_find_output_type failure: 0x%04X", hr);
goto error;
}
hr = sys->transform->lpVtbl->SetOutputType(sys->transform, 0, sys->outputType, 0);
if (FAILED(hr))
{
WLog_ERR(TAG, "SetOutputType failure: 0x%04X", hr);
goto error;
}
hr = mf_create_output_sample(sys);
if (FAILED(hr))
{
WLog_ERR(TAG, "mf_create_output_sample failure: 0x%04X", hr);
goto error;
}
}
return TRUE;
error:
WLog_ERR(TAG, "mf_init failure");
mf_uninit(h264);
return FALSE;
}
static H264_CONTEXT_SUBSYSTEM g_Subsystem_MF =
{
"MediaFoundation",
mf_init,
mf_uninit,
mf_decompress,
mf_compress
};
#endif
/**
* x264 subsystem
*/
#ifdef WITH_X264
#define NAL_UNKNOWN X264_NAL_UNKNOWN
#define NAL_SLICE X264_NAL_SLICE
#define NAL_SLICE_DPA X264_NAL_SLICE_DPA
#define NAL_SLICE_DPB X264_NAL_SLICE_DPB
#define NAL_SLICE_DPC X264_NAL_SLICE_DPC
#define NAL_SLICE_IDR X264_NAL_SLICE_IDR
#define NAL_SEI X264_NAL_SEI
#define NAL_SPS X264_NAL_SPS
#define NAL_PPS X264_NAL_PPS
#define NAL_AUD X264_NAL_AUD
#define NAL_FILLER X264_NAL_FILLER
#define NAL_PRIORITY_DISPOSABLE X264_NAL_PRIORITY_DISPOSABLE
#define NAL_PRIORITY_LOW X264_NAL_PRIORITY_LOW
#define NAL_PRIORITY_HIGH X264_NAL_PRIORITY_HIGH
#define NAL_PRIORITY_HIGHEST X264_NAL_PRIORITY_HIGHEST
#include <stdint.h>
#include <x264.h>
struct _H264_CONTEXT_X264
{
void* dummy;
};
typedef struct _H264_CONTEXT_X264 H264_CONTEXT_X264;
static int x264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize)
{
//H264_CONTEXT_X264* sys = (H264_CONTEXT_X264*) h264->pSystemData;
return 1;
}
static int x264_compress(H264_CONTEXT* h264, BYTE** ppDstData, UINT32* pDstSize)
{
//H264_CONTEXT_X264* sys = (H264_CONTEXT_X264*) h264->pSystemData;
return 1;
}
static void x264_uninit(H264_CONTEXT* h264)
{
H264_CONTEXT_X264* sys = (H264_CONTEXT_X264*) h264->pSystemData;
if (sys)
{
free(sys);
h264->pSystemData = NULL;
}
}
static BOOL x264_init(H264_CONTEXT* h264)
{
H264_CONTEXT_X264* sys;
sys = (H264_CONTEXT_X264*) calloc(1, sizeof(H264_CONTEXT_X264));
if (!sys)
{
goto EXCEPTION;
}
h264->pSystemData = (void*) sys;
if (h264->Compressor)
{
}
else
{
}
return TRUE;
EXCEPTION:
x264_uninit(h264);
return FALSE;
}
static H264_CONTEXT_SUBSYSTEM g_Subsystem_x264 =
{
"x264",
x264_init,
x264_uninit,
x264_decompress,
x264_compress
};
#undef NAL_UNKNOWN
#undef NAL_SLICE
#undef NAL_SLICE_DPA
#undef NAL_SLICE_DPB
#undef NAL_SLICE_DPC
#undef NAL_SLICE_IDR
#undef NAL_SEI
#undef NAL_SPS
#undef NAL_PPS
#undef NAL_AUD
#undef NAL_FILLER
#undef NAL_PRIORITY_DISPOSABLE
#undef NAL_PRIORITY_LOW
#undef NAL_PRIORITY_HIGH
#undef NAL_PRIORITY_HIGHEST
#endif
/**
* OpenH264 subsystem
*/
#ifdef WITH_OPENH264
#include "wels/codec_def.h"
#include "wels/codec_api.h"
struct _H264_CONTEXT_OPENH264
{
ISVCDecoder* pDecoder;
ISVCEncoder* pEncoder;
SEncParamExt EncParamExt;
};
typedef struct _H264_CONTEXT_OPENH264 H264_CONTEXT_OPENH264;
static BOOL g_openh264_trace_enabled = FALSE;
static void openh264_trace_callback(H264_CONTEXT* h264, int level, const char* message)
{
WLog_INFO(TAG, "%d - %s", level, message);
}
static int openh264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize)
{
DECODING_STATE state;
SBufferInfo sBufferInfo;
SSysMEMBuffer* pSystemBuffer;
H264_CONTEXT_OPENH264* sys = (H264_CONTEXT_OPENH264*) h264->pSystemData;
if (!sys->pDecoder)
return -2001;
/*
* Decompress the image. The RDP host only seems to send I420 format.
*/
h264->pYUVData[0] = NULL;
h264->pYUVData[1] = NULL;
h264->pYUVData[2] = NULL;
ZeroMemory(&sBufferInfo, sizeof(sBufferInfo));
state = (*sys->pDecoder)->DecodeFrame2(sys->pDecoder, pSrcData, SrcSize, h264->pYUVData, &sBufferInfo);
if (sBufferInfo.iBufferStatus != 1)
{
if (state == dsNoParamSets)
{
/* this happens on the first frame due to missing parameter sets */
state = (*sys->pDecoder)->DecodeFrame2(sys->pDecoder, NULL, 0, h264->pYUVData, &sBufferInfo);
}
else if (state == dsErrorFree)
{
/* call DecodeFrame2 again to decode without delay */
state = (*sys->pDecoder)->DecodeFrame2(sys->pDecoder, NULL, 0, h264->pYUVData, &sBufferInfo);
}
else
{
WLog_WARN(TAG, "DecodeFrame2 state: 0x%02X iBufferStatus: %d", state, sBufferInfo.iBufferStatus);
return -2002;
}
}
if (sBufferInfo.iBufferStatus != 1)
{
WLog_WARN(TAG, "DecodeFrame2 iBufferStatus: %d", sBufferInfo.iBufferStatus);
return 0;
}
if (state != dsErrorFree)
{
WLog_WARN(TAG, "DecodeFrame2 state: 0x%02X", state);
return -2003;
}
pSystemBuffer = &sBufferInfo.UsrData.sSystemBuffer;
#if 0
WLog_INFO(TAG, "h264_decompress: state=%u, pYUVData=[%p,%p,%p], bufferStatus=%d, width=%d, height=%d, format=%d, stride=[%d,%d]",
state, h264->pYUVData[0], h264->pYUVData[1], h264->pYUVData[2], sBufferInfo.iBufferStatus,
pSystemBuffer->iWidth, pSystemBuffer->iHeight, pSystemBuffer->iFormat,
pSystemBuffer->iStride[0], pSystemBuffer->iStride[1]);
#endif
if (pSystemBuffer->iFormat != videoFormatI420)
return -2004;
if (!h264->pYUVData[0] || !h264->pYUVData[1] || !h264->pYUVData[2])
return -2005;
h264->iStride[0] = pSystemBuffer->iStride[0];
h264->iStride[1] = pSystemBuffer->iStride[1];
h264->iStride[2] = pSystemBuffer->iStride[1];
h264->width = pSystemBuffer->iWidth;
h264->height = pSystemBuffer->iHeight;
return 1;
}
static int openh264_compress(H264_CONTEXT* h264, BYTE** ppDstData, UINT32* pDstSize)
{
int i, j;
int status;
SFrameBSInfo info;
SSourcePicture pic;
SBitrateInfo bitrate;
H264_CONTEXT_OPENH264* sys = (H264_CONTEXT_OPENH264*) h264->pSystemData;
if (!sys->pEncoder)
return -1;
if (!h264->pYUVData[0] || !h264->pYUVData[1] || !h264->pYUVData[2])
return -1;
if ((sys->EncParamExt.iPicWidth != h264->width) || (sys->EncParamExt.iPicHeight != h264->height))
{
status = (*sys->pEncoder)->GetDefaultParams(sys->pEncoder, &sys->EncParamExt);
if (status < 0)
{
WLog_ERR(TAG, "Failed to get OpenH264 default parameters (status=%ld)", status);
return status;
}
sys->EncParamExt.iUsageType = SCREEN_CONTENT_REAL_TIME;
sys->EncParamExt.iPicWidth = h264->width;
sys->EncParamExt.iPicHeight = h264->height;
sys->EncParamExt.fMaxFrameRate = h264->FrameRate;
sys->EncParamExt.iMaxBitrate = UNSPECIFIED_BIT_RATE;
sys->EncParamExt.bEnableDenoise = 0;
sys->EncParamExt.bEnableLongTermReference = 0;
sys->EncParamExt.bEnableFrameSkip = 0;
sys->EncParamExt.iSpatialLayerNum = 1;
sys->EncParamExt.iMultipleThreadIdc = h264->NumberOfThreads;
sys->EncParamExt.sSpatialLayers[0].fFrameRate = h264->FrameRate;
sys->EncParamExt.sSpatialLayers[0].iVideoWidth = sys->EncParamExt.iPicWidth;
sys->EncParamExt.sSpatialLayers[0].iVideoHeight = sys->EncParamExt.iPicHeight;
sys->EncParamExt.sSpatialLayers[0].iMaxSpatialBitrate = sys->EncParamExt.iMaxBitrate;
switch (h264->RateControlMode)
{
case H264_RATECONTROL_VBR:
sys->EncParamExt.iRCMode = RC_BITRATE_MODE;
sys->EncParamExt.iTargetBitrate = h264->BitRate;
sys->EncParamExt.sSpatialLayers[0].iSpatialBitrate = sys->EncParamExt.iTargetBitrate;
break;
case H264_RATECONTROL_CQP:
sys->EncParamExt.iRCMode = RC_OFF_MODE;
sys->EncParamExt.sSpatialLayers[0].iDLayerQp = h264->QP;
break;
}
if (sys->EncParamExt.iMultipleThreadIdc > 1)
{
sys->EncParamExt.sSpatialLayers[0].sSliceCfg.uiSliceMode = SM_AUTO_SLICE;
}
status = (*sys->pEncoder)->InitializeExt(sys->pEncoder, &sys->EncParamExt);
if (status < 0)
{
WLog_ERR(TAG, "Failed to initialize OpenH264 encoder (status=%ld)", status);
return status;
}
status = (*sys->pEncoder)->GetOption(sys->pEncoder, ENCODER_OPTION_SVC_ENCODE_PARAM_EXT,
&sys->EncParamExt);
if (status < 0)
{
WLog_ERR(TAG, "Failed to get initial OpenH264 encoder parameters (status=%ld)", status);
return status;
}
}
else
{
switch (h264->RateControlMode)
{
case H264_RATECONTROL_VBR:
if (sys->EncParamExt.iTargetBitrate != h264->BitRate)
{
sys->EncParamExt.iTargetBitrate = h264->BitRate;
bitrate.iLayer = SPATIAL_LAYER_ALL;
bitrate.iBitrate = h264->BitRate;
status = (*sys->pEncoder)->SetOption(sys->pEncoder, ENCODER_OPTION_BITRATE,
&bitrate);
if (status < 0)
{
WLog_ERR(TAG, "Failed to set encoder bitrate (status=%ld)", status);
return status;
}
}
if (sys->EncParamExt.fMaxFrameRate != h264->FrameRate)
{
sys->EncParamExt.fMaxFrameRate = h264->FrameRate;
status = (*sys->pEncoder)->SetOption(sys->pEncoder, ENCODER_OPTION_FRAME_RATE,
&sys->EncParamExt.fMaxFrameRate);
if (status < 0)
{
WLog_ERR(TAG, "Failed to set encoder framerate (status=%ld)", status);
return status;
}
}
break;
case H264_RATECONTROL_CQP:
if (sys->EncParamExt.sSpatialLayers[0].iDLayerQp != h264->QP)
{
sys->EncParamExt.sSpatialLayers[0].iDLayerQp = h264->QP;
status = (*sys->pEncoder)->SetOption(sys->pEncoder, ENCODER_OPTION_SVC_ENCODE_PARAM_EXT,
&sys->EncParamExt);
if (status < 0)
{
WLog_ERR(TAG, "Failed to set encoder parameters (status=%ld)", status);
return status;
}
}
break;
}
}
memset(&info, 0, sizeof(SFrameBSInfo));
memset(&pic, 0, sizeof(SSourcePicture));
pic.iPicWidth = h264->width;
pic.iPicHeight = h264->height;
pic.iColorFormat = videoFormatI420;
pic.iStride[0] = h264->iStride[0];
pic.iStride[1] = h264->iStride[1];
pic.iStride[2] = h264->iStride[2];
pic.pData[0] = h264->pYUVData[0];
pic.pData[1] = h264->pYUVData[1];
pic.pData[2] = h264->pYUVData[2];
status = (*sys->pEncoder)->EncodeFrame(sys->pEncoder, &pic, &info);
if (status < 0)
{
WLog_ERR(TAG, "Failed to encode frame (status=%ld)", status);
return status;
}
*ppDstData = info.sLayerInfo[0].pBsBuf;
*pDstSize = 0;
for (i = 0; i < info.iLayerNum; i++)
{
for (j = 0; j < info.sLayerInfo[i].iNalCount; j++)
{
*pDstSize += info.sLayerInfo[i].pNalLengthInByte[j];
}
}
return 1;
}
static void openh264_uninit(H264_CONTEXT* h264)
{
H264_CONTEXT_OPENH264* sys = (H264_CONTEXT_OPENH264*) h264->pSystemData;
if (sys)
{
if (sys->pDecoder)
{
(*sys->pDecoder)->Uninitialize(sys->pDecoder);
WelsDestroyDecoder(sys->pDecoder);
sys->pDecoder = NULL;
}
if (sys->pEncoder)
{
(*sys->pEncoder)->Uninitialize(sys->pEncoder);
WelsDestroySVCEncoder(sys->pEncoder);
sys->pEncoder = NULL;
}
free(sys);
h264->pSystemData = NULL;
}
}
static BOOL openh264_init(H264_CONTEXT* h264)
{
long status;
SDecodingParam sDecParam;
H264_CONTEXT_OPENH264* sys;
static int traceLevel = WELS_LOG_DEBUG;
static EVideoFormatType videoFormat = videoFormatI420;
static WelsTraceCallback traceCallback = (WelsTraceCallback) openh264_trace_callback;
sys = (H264_CONTEXT_OPENH264*) calloc(1, sizeof(H264_CONTEXT_OPENH264));
if (!sys)
{
goto EXCEPTION;
}
h264->pSystemData = (void*) sys;
if (h264->Compressor)
{
WelsCreateSVCEncoder(&sys->pEncoder);
if (!sys->pEncoder)
{
WLog_ERR(TAG, "Failed to create OpenH264 encoder");
goto EXCEPTION;
}
}
else
{
WelsCreateDecoder(&sys->pDecoder);
if (!sys->pDecoder)
{
WLog_ERR(TAG, "Failed to create OpenH264 decoder");
goto EXCEPTION;
}
ZeroMemory(&sDecParam, sizeof(sDecParam));
sDecParam.eOutputColorFormat = videoFormatI420;
sDecParam.eEcActiveIdc = ERROR_CON_FRAME_COPY;
sDecParam.sVideoProperty.eVideoBsType = VIDEO_BITSTREAM_AVC;
status = (*sys->pDecoder)->Initialize(sys->pDecoder, &sDecParam);
if (status != 0)
{
WLog_ERR(TAG, "Failed to initialize OpenH264 decoder (status=%ld)", status);
goto EXCEPTION;
}
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_DATAFORMAT, &videoFormat);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set data format option on OpenH264 decoder (status=%ld)", status);
}
if (g_openh264_trace_enabled)
{
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_TRACE_LEVEL, &traceLevel);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set trace level option on OpenH264 decoder (status=%ld)", status);
}
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_TRACE_CALLBACK, &traceCallback);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set trace callback option on OpenH264 decoder (status=%ld)", status);
}
status = (*sys->pDecoder)->SetOption(sys->pDecoder, DECODER_OPTION_TRACE_CALLBACK_CONTEXT, &h264);
if (status != 0)
{
WLog_ERR(TAG, "Failed to set trace callback context option on OpenH264 decoder (status=%ld)", status);
}
}
}
return TRUE;
EXCEPTION:
openh264_uninit(h264);
return FALSE;
}
static H264_CONTEXT_SUBSYSTEM g_Subsystem_OpenH264 =
{
"OpenH264",
openh264_init,
openh264_uninit,
openh264_decompress,
openh264_compress
};
#endif
/**
* libavcodec subsystem
*/
#ifdef WITH_LIBAVCODEC
#include <libavcodec/avcodec.h>
#include <libavutil/avutil.h>
struct _H264_CONTEXT_LIBAVCODEC
{
AVCodec* codec;
AVCodecContext* codecContext;
AVCodecParserContext* codecParser;
AVFrame* videoFrame;
};
typedef struct _H264_CONTEXT_LIBAVCODEC H264_CONTEXT_LIBAVCODEC;
static int libavcodec_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize)
{
int status;
int gotFrame = 0;
AVPacket packet;
H264_CONTEXT_LIBAVCODEC* sys = (H264_CONTEXT_LIBAVCODEC*) h264->pSystemData;
av_init_packet(&packet);
packet.data = pSrcData;
packet.size = SrcSize;
status = avcodec_decode_video2(sys->codecContext, sys->videoFrame, &gotFrame, &packet);
if (status < 0)
{
WLog_ERR(TAG, "Failed to decode video frame (status=%d)", status);
return -1;
}
#if 0
WLog_INFO(TAG, "libavcodec_decompress: frame decoded (status=%d, gotFrame=%d, width=%d, height=%d, Y=[%p,%d], U=[%p,%d], V=[%p,%d])",
status, gotFrame, sys->videoFrame->width, sys->videoFrame->height,
sys->videoFrame->data[0], sys->videoFrame->linesize[0],
sys->videoFrame->data[1], sys->videoFrame->linesize[1],
sys->videoFrame->data[2], sys->videoFrame->linesize[2]);
#endif
if (gotFrame)
{
h264->pYUVData[0] = sys->videoFrame->data[0];
h264->pYUVData[1] = sys->videoFrame->data[1];
h264->pYUVData[2] = sys->videoFrame->data[2];
h264->iStride[0] = sys->videoFrame->linesize[0];
h264->iStride[1] = sys->videoFrame->linesize[1];
h264->iStride[2] = sys->videoFrame->linesize[2];
h264->width = sys->videoFrame->width;
h264->height = sys->videoFrame->height;
}
else
return -2;
return 1;
}
static void libavcodec_uninit(H264_CONTEXT* h264)
{
H264_CONTEXT_LIBAVCODEC* sys = (H264_CONTEXT_LIBAVCODEC*) h264->pSystemData;
if (!sys)
return;
if (sys->videoFrame)
{
av_free(sys->videoFrame);
}
if (sys->codecParser)
{
av_parser_close(sys->codecParser);
}
if (sys->codecContext)
{
avcodec_close(sys->codecContext);
av_free(sys->codecContext);
}
free(sys);
h264->pSystemData = NULL;
}
static BOOL libavcodec_init(H264_CONTEXT* h264)
{
H264_CONTEXT_LIBAVCODEC* sys;
sys = (H264_CONTEXT_LIBAVCODEC*) calloc(1, sizeof(H264_CONTEXT_LIBAVCODEC));
if (!sys)
{
goto EXCEPTION;
}
h264->pSystemData = (void*) sys;
avcodec_register_all();
sys->codec = avcodec_find_decoder(CODEC_ID_H264);
if (!sys->codec)
{
WLog_ERR(TAG, "Failed to find libav H.264 codec");
goto EXCEPTION;
}
sys->codecContext = avcodec_alloc_context3(sys->codec);
if (!sys->codecContext)
{
WLog_ERR(TAG, "Failed to allocate libav codec context");
goto EXCEPTION;
}
if (sys->codec->capabilities & CODEC_CAP_TRUNCATED)
{
sys->codecContext->flags |= CODEC_FLAG_TRUNCATED;
}
if (avcodec_open2(sys->codecContext, sys->codec, NULL) < 0)
{
WLog_ERR(TAG, "Failed to open libav codec");
goto EXCEPTION;
}
sys->codecParser = av_parser_init(CODEC_ID_H264);
if (!sys->codecParser)
{
WLog_ERR(TAG, "Failed to initialize libav parser");
goto EXCEPTION;
}
sys->videoFrame = avcodec_alloc_frame();
if (!sys->videoFrame)
{
WLog_ERR(TAG, "Failed to allocate libav frame");
goto EXCEPTION;
}
return TRUE;
EXCEPTION:
libavcodec_uninit(h264);
return FALSE;
}
static H264_CONTEXT_SUBSYSTEM g_Subsystem_libavcodec =
{
"libavcodec",
libavcodec_init,
libavcodec_uninit,
libavcodec_decompress
};
#endif
int h264_decompress(H264_CONTEXT* h264, BYTE* pSrcData, UINT32 SrcSize,
BYTE** ppDstData, DWORD DstFormat, int nDstStep, int nDstWidth,
int nDstHeight, RDPGFX_RECT16* regionRects, int numRegionRects)
{
int index;
int status;
int* iStride;
BYTE* pDstData;
BYTE* pDstPoint;
prim_size_t roi;
BYTE** pYUVData;
int width, height;
BYTE* pYUVPoint[3];
RDPGFX_RECT16* rect;
primitives_t* prims = primitives_get();
if (!h264)
return -1001;
#if 0
WLog_INFO(TAG, "h264_decompress: pSrcData=%p, SrcSize=%u, pDstData=%p, nDstStep=%d, nDstHeight=%d, numRegionRects=%d",
pSrcData, SrcSize, *ppDstData, nDstStep, nDstHeight, numRegionRects);
#endif
if (!(pDstData = *ppDstData))
return -1002;
status = h264->subsystem->Decompress(h264, pSrcData, SrcSize);
if (status == 0)
return 1;
if (status < 0)
return status;
pYUVData = h264->pYUVData;
iStride = h264->iStride;
for (index = 0; index < numRegionRects; index++)
{
rect = &(regionRects[index]);
/* Check, if the output rectangle is valid in decoded h264 frame. */
if ((rect->right > h264->width) || (rect->left > h264->width))
return -1003;
if ((rect->top > h264->height) || (rect->bottom > h264->height))
return -1004;
/* Check, if the output rectangle is valid in destination buffer. */
if ((rect->right > nDstWidth) || (rect->left > nDstWidth))
return -1005;
if ((rect->bottom > nDstHeight) || (rect->top > nDstHeight))
return -1006;
width = rect->right - rect->left;
height = rect->bottom - rect->top;
pDstPoint = pDstData + rect->top * nDstStep + rect->left * 4;
pYUVPoint[0] = pYUVData[0] + rect->top * iStride[0] + rect->left;
pYUVPoint[1] = pYUVData[1] + rect->top/2 * iStride[1] + rect->left/2;
pYUVPoint[2] = pYUVData[2] + rect->top/2 * iStride[2] + rect->left/2;
#if 0
WLog_INFO(TAG, "regionRect: x: %d y: %d width: %d height: %d",
rect->left, rect->top, width, height);
#endif
roi.width = width;
roi.height = height;
prims->YUV420ToRGB_8u_P3AC4R((const BYTE**) pYUVPoint, iStride, pDstPoint, nDstStep, &roi);
}
return 1;
}
int h264_compress(H264_CONTEXT* h264, BYTE* pSrcData, DWORD SrcFormat,
int nSrcStep, int nSrcWidth, int nSrcHeight, BYTE** ppDstData, UINT32* pDstSize)
{
int status = -1;
prim_size_t roi;
int nWidth, nHeight;
primitives_t* prims = primitives_get();
if (!h264)
return -1;
if (!h264->subsystem->Compress)
return -1;
nWidth = (nSrcWidth + 1) & ~1;
nHeight = (nSrcHeight + 1) & ~1;
if (!(h264->pYUVData[0] = (BYTE*) malloc(nWidth * nHeight)))
return -1;
h264->iStride[0] = nWidth;
if (!(h264->pYUVData[1] = (BYTE*) malloc(nWidth * nHeight / 4)))
goto error_1;
h264->iStride[1] = nWidth / 2;
if (!(h264->pYUVData[2] = (BYTE*) malloc(nWidth * nHeight / 4)))
goto error_2;
h264->iStride[2] = nWidth / 2;
h264->width = nWidth;
h264->height = nHeight;
roi.width = nSrcWidth;
roi.height = nSrcHeight;
prims->RGBToYUV420_8u_P3AC4R(pSrcData, nSrcStep, h264->pYUVData, h264->iStride, &roi);
status = h264->subsystem->Compress(h264, ppDstData, pDstSize);
free(h264->pYUVData[2]);
h264->pYUVData[2] = NULL;
error_2:
free(h264->pYUVData[1]);
h264->pYUVData[1] = NULL;
error_1:
free(h264->pYUVData[0]);
h264->pYUVData[0] = NULL;
return status;
}
BOOL h264_context_init(H264_CONTEXT* h264)
{
#if defined(_WIN32) && defined(WITH_MEDIA_FOUNDATION)
if (g_Subsystem_MF.Init(h264))
{
h264->subsystem = &g_Subsystem_MF;
return TRUE;
}
#endif
#ifdef WITH_LIBAVCODEC
if (g_Subsystem_libavcodec.Init(h264))
{
h264->subsystem = &g_Subsystem_libavcodec;
return TRUE;
}
#endif
#ifdef WITH_OPENH264
if (g_Subsystem_OpenH264.Init(h264))
{
h264->subsystem = &g_Subsystem_OpenH264;
return TRUE;
}
#endif
#ifdef WITH_X264
if (g_Subsystem_x264.Init(h264))
{
h264->subsystem = &g_Subsystem_x264;
return TRUE;
}
#endif
return FALSE;
}
int h264_context_reset(H264_CONTEXT* h264)
{
return 1;
}
H264_CONTEXT* h264_context_new(BOOL Compressor)
{
H264_CONTEXT* h264;
h264 = (H264_CONTEXT*) calloc(1, sizeof(H264_CONTEXT));
if (h264)
{
h264->Compressor = Compressor;
h264->subsystem = &g_Subsystem_dummy;
if (Compressor)
{
/* Default compressor settings, may be changed by caller */
h264->BitRate = 1000000;
h264->FrameRate = 30;
}
if (!h264_context_init(h264))
{
free(h264);
return NULL;
}
}
return h264;
}
void h264_context_free(H264_CONTEXT* h264)
{
if (h264)
{
h264->subsystem->Uninit(h264);
free(h264);
}
}
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