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XVBA.cpp
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XVBA.cpp
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/*
* Copyright (C) 2005-2011 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include "system.h"
#ifdef HAVE_LIBXVBA
#include <dlfcn.h>
#include <string>
#include "XVBA.h"
#include "windowing/WindowingFactory.h"
#include "guilib/GraphicContext.h"
#include "settings/GUISettings.h"
#include "settings/Settings.h"
#include "utils/TimeUtils.h"
#include "cores/dvdplayer/DVDClock.h"
using namespace XVBA;
// XVBA interface
#define XVBA_LIBRARY "libXvBAW.so.1"
typedef Bool (*XVBAQueryExtensionProc) (Display *dpy, int *vers);
typedef Status (*XVBACreateContextProc) (void *input, void *output);
typedef Status (*XVBADestroyContextProc) (void *context);
typedef Bool (*XVBAGetSessionInfoProc) (void *input, void *output);
typedef Status (*XVBACreateSurfaceProc) (void *input, void *output);
typedef Status (*XVBACreateGLSharedSurfaceProc)(void *input, void *output);
typedef Status (*XVBADestroySurfaceProc) (void *surface);
typedef Status (*XVBACreateDecodeBuffersProc) (void *input, void *output);
typedef Status (*XVBADestroyDecodeBuffersProc) (void *input);
typedef Status (*XVBAGetCapDecodeProc) (void *input, void *output);
typedef Status (*XVBACreateDecodeProc) (void *input, void *output);
typedef Status (*XVBADestroyDecodeProc) (void *session);
typedef Status (*XVBAStartDecodePictureProc) (void *input);
typedef Status (*XVBADecodePictureProc) (void *input);
typedef Status (*XVBAEndDecodePictureProc) (void *input);
typedef Status (*XVBASyncSurfaceProc) (void *input, void *output);
typedef Status (*XVBAGetSurfaceProc) (void *input);
typedef Status (*XVBATransferSurfaceProc) (void *input);
static struct
{
XVBAQueryExtensionProc QueryExtension;
XVBACreateContextProc CreateContext;
XVBADestroyContextProc DestroyContext;
XVBAGetSessionInfoProc GetSessionInfo;
XVBACreateSurfaceProc CreateSurface;
XVBACreateGLSharedSurfaceProc CreateGLSharedSurface;
XVBADestroySurfaceProc DestroySurface;
XVBACreateDecodeBuffersProc CreateDecodeBuffers;
XVBADestroyDecodeBuffersProc DestroyDecodeBuffers;
XVBAGetCapDecodeProc GetCapDecode;
XVBACreateDecodeProc CreateDecode;
XVBADestroyDecodeProc DestroyDecode;
XVBAStartDecodePictureProc StartDecodePicture;
XVBADecodePictureProc DecodePicture;
XVBAEndDecodePictureProc EndDecodePicture;
XVBASyncSurfaceProc SyncSurface;
XVBAGetSurfaceProc GetSurface;
XVBATransferSurfaceProc TransferSurface;
}g_XVBA_vtable;
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
CXVBAContext *CXVBAContext::m_context = 0;
CCriticalSection CXVBAContext::m_section;
Display *CXVBAContext::m_display = 0;
void *CXVBAContext::m_dlHandle = 0;
CXVBAContext::CXVBAContext()
{
m_context = 0;
// m_dlHandle = 0;
m_xvbaContext = 0;
m_refCount = 0;
}
void CXVBAContext::Release()
{
CSingleLock lock(m_section);
m_refCount--;
if (m_refCount <= 0)
{
Close();
delete this;
m_context = 0;
}
}
void CXVBAContext::Close()
{
CLog::Log(LOGNOTICE, "XVBA::Close - closing decoder context");
DestroyContext();
// if (m_dlHandle)
// {
// dlclose(m_dlHandle);
// m_dlHandle = 0;
// }
}
bool CXVBAContext::EnsureContext(CXVBAContext **ctx)
{
CSingleLock lock(m_section);
if (m_context)
{
m_context->m_refCount++;
*ctx = m_context;
return true;
}
m_context = new CXVBAContext();
*ctx = m_context;
{
CSingleLock gLock(g_graphicsContext);
if (!m_context->LoadSymbols() || !m_context->CreateContext())
{
delete m_context;
m_context = 0;
return false;
}
}
m_context->m_refCount++;
*ctx = m_context;
return true;
}
bool CXVBAContext::LoadSymbols()
{
if (!m_dlHandle)
{
m_dlHandle = dlopen(XVBA_LIBRARY, RTLD_LAZY);
if (!m_dlHandle)
{
const char* error = dlerror();
if (!error)
error = "dlerror() returned NULL";
CLog::Log(LOGERROR,"XVBA::LoadSymbols: Unable to get handle to lib: %s", error);
return false;
}
}
else
return true;
#define INIT_PROC(PREFIX, PROC) do { \
g_##PREFIX##_vtable.PROC = (PREFIX##PROC##Proc) \
dlsym(m_dlHandle, #PREFIX #PROC); \
} while (0)
#define INIT_PROC_CHECK(PREFIX, PROC) do { \
dlerror(); \
INIT_PROC(PREFIX, PROC); \
if (dlerror()) { \
dlclose(m_dlHandle); \
m_dlHandle = NULL; \
return false; \
} \
} while (0)
#define XVBA_INIT_PROC(PROC) INIT_PROC_CHECK(XVBA, PROC)
XVBA_INIT_PROC(QueryExtension);
XVBA_INIT_PROC(CreateContext);
XVBA_INIT_PROC(DestroyContext);
XVBA_INIT_PROC(GetSessionInfo);
XVBA_INIT_PROC(CreateSurface);
XVBA_INIT_PROC(CreateGLSharedSurface);
XVBA_INIT_PROC(DestroySurface);
XVBA_INIT_PROC(CreateDecodeBuffers);
XVBA_INIT_PROC(DestroyDecodeBuffers);
XVBA_INIT_PROC(GetCapDecode);
XVBA_INIT_PROC(CreateDecode);
XVBA_INIT_PROC(DestroyDecode);
XVBA_INIT_PROC(StartDecodePicture);
XVBA_INIT_PROC(DecodePicture);
XVBA_INIT_PROC(EndDecodePicture);
XVBA_INIT_PROC(SyncSurface);
XVBA_INIT_PROC(GetSurface);
XVBA_INIT_PROC(TransferSurface);
#undef XVBA_INIT_PROC
#undef INIT_PROC
return true;
}
bool CXVBAContext::CreateContext()
{
if (m_xvbaContext)
return true;
CLog::Log(LOGNOTICE,"XVBA::CreateContext - creating decoder context");
Drawable window;
{ CSingleLock lock(g_graphicsContext);
if (!m_display)
m_display = XOpenDisplay(NULL);
window = 0;
}
int version;
if (!g_XVBA_vtable.QueryExtension(m_display, &version))
return false;
CLog::Log(LOGNOTICE,"XVBA::CreateContext - opening xvba version: %i", version);
// create XVBA Context
XVBA_Create_Context_Input contextInput;
XVBA_Create_Context_Output contextOutput;
contextInput.size = sizeof(contextInput);
contextInput.display = m_display;
contextInput.draw = window;
contextOutput.size = sizeof(contextOutput);
if(Success != g_XVBA_vtable.CreateContext(&contextInput, &contextOutput))
{
CLog::Log(LOGERROR,"XVBA::CreateContext - failed to create context");
return false;
}
m_xvbaContext = contextOutput.context;
return true;
}
void CXVBAContext::DestroyContext()
{
if (!m_xvbaContext)
return;
g_XVBA_vtable.DestroyContext(m_xvbaContext);
m_xvbaContext = 0;
// XCloseDisplay(m_display);
}
void *CXVBAContext::GetContext()
{
return m_xvbaContext;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
static unsigned int decoderId = 0;
CDecoder::CDecoder() : m_xvbaOutput(&m_inMsgEvent)
{
m_xvbaConfig.context = 0;
m_xvbaConfig.xvbaSession = 0;
m_xvbaConfig.videoSurfaces = &m_videoSurfaces;
m_xvbaConfig.videoSurfaceSec = &m_videoSurfaceSec;
m_xvbaConfig.apiSec = &m_apiSec;
m_displayState = XVBA_OPEN;
}
CDecoder::~CDecoder()
{
Close();
}
typedef struct {
unsigned int size;
unsigned int num_of_decodecaps;
XVBADecodeCap decode_caps_list[];
} XVBA_GetCapDecode_Output_Base;
void CDecoder::OnLostDevice()
{
CLog::Log(LOGNOTICE,"XVBA::OnLostDevice event");
CSingleLock lock(m_decoderSection);
DestroySession();
if (m_xvbaConfig.context)
m_xvbaConfig.context->Release();
m_xvbaConfig.context = 0;
m_displayState = XVBA_LOST;
m_displayEvent.Reset();
}
void CDecoder::OnResetDevice()
{
CLog::Log(LOGNOTICE,"XVBA::OnResetDevice event");
CSingleLock lock(m_decoderSection);
if (m_displayState == XVBA_LOST)
{
m_displayState = XVBA_RESET;
lock.Leave();
m_displayEvent.Set();
}
}
bool CDecoder::Open(AVCodecContext* avctx, const enum PixelFormat fmt, unsigned int surfaces)
{
std::string Vendor = g_Windowing.GetRenderVendor();
std::transform(Vendor.begin(), Vendor.end(), Vendor.begin(), ::tolower);
if (Vendor.compare(0, 3, "ati") != 0)
{
return false;
}
m_decoderId = decoderId++;
CLog::Log(LOGNOTICE,"(XVBA::Open) opening xvba decoder, id: %d", m_decoderId);
if(avctx->coded_width == 0
|| avctx->coded_height == 0)
{
CLog::Log(LOGWARNING,"(XVBA) no width/height available, can't init");
return false;
}
if (!m_dllAvUtil.Load())
return false;
if (!CXVBAContext::EnsureContext(&m_xvbaConfig.context))
return false;
// xvba get session info
XVBA_GetSessionInfo_Input sessionInput;
XVBA_GetSessionInfo_Output sessionOutput;
sessionInput.size = sizeof(sessionInput);
sessionInput.context = m_xvbaConfig.context->GetContext();
sessionOutput.size = sizeof(sessionOutput);
if (Success != g_XVBA_vtable.GetSessionInfo(&sessionInput, &sessionOutput))
{
CLog::Log(LOGERROR,"(XVBA) can't get session info");
return false;
}
if (sessionOutput.getcapdecode_output_size == 0)
{
CLog::Log(LOGERROR,"(XVBA) session decode not supported");
return false;
}
// get decoder capabilities
XVBA_GetCapDecode_Input capInput;
XVBA_GetCapDecode_Output *capOutput;
capInput.size = sizeof(capInput);
capInput.context = m_xvbaConfig.context->GetContext();
capOutput = (XVBA_GetCapDecode_Output *)calloc(sessionOutput.getcapdecode_output_size, 1);
capOutput->size = sessionOutput.getcapdecode_output_size;
if (Success != g_XVBA_vtable.GetCapDecode(&capInput, capOutput))
{
CLog::Log(LOGERROR,"(XVBA) can't get decode capabilities");
return false;
}
int match = -1;
if (avctx->codec_id == CODEC_ID_H264)
{
// search for profile high
for (unsigned int i = 0; i < capOutput->num_of_decodecaps; ++i)
{
if (capOutput->decode_caps_list[i].capability_id == XVBA_H264 &&
capOutput->decode_caps_list[i].flags == XVBA_H264_HIGH)
{
match = (int) i;
break;
}
}
if (match < 0)
{
CLog::Log(LOGNOTICE, "(XVBA::Open) - profile XVBA_H264_HIGH not found");
}
}
else if (avctx->codec_id == CODEC_ID_VC1)
{
// search for profile advanced
for (unsigned int i = 0; i < capOutput->num_of_decodecaps; ++i)
{
if (capOutput->decode_caps_list[i].capability_id == XVBA_VC1 &&
capOutput->decode_caps_list[i].flags == XVBA_VC1_ADVANCED)
{
match = (int) i;
break;
}
}
if (match < 0)
{
CLog::Log(LOGNOTICE, "(XVBA::Open) - profile XVBA_VC1_ADVANCED not found");
}
}
else if (avctx->codec_id == CODEC_ID_MPEG2VIDEO)
{
// search for profile high
for (unsigned int i = 0; i < capOutput->num_of_decodecaps; ++i)
{
if (capOutput->decode_caps_list[i].capability_id == XVBA_MPEG2_VLD)
{
// XXX: uncomment when implemented
// match = (int) i;
// break;
}
}
if (match < 0)
{
CLog::Log(LOGNOTICE, "(XVBA::Open) - profile XVBA_MPEG2_VLD not found");
}
}
else if (avctx->codec_id == CODEC_ID_WMV3)
{
// search for profile high
for (unsigned int i = 0; i < capOutput->num_of_decodecaps; ++i)
{
if (capOutput->decode_caps_list[i].capability_id == XVBA_VC1 &&
capOutput->decode_caps_list[i].flags == XVBA_VC1_MAIN)
{
match = (int) i;
break;
}
}
if (match < 0)
{
CLog::Log(LOGNOTICE, "(XVBA::Open) - profile XVBA_VC1_MAIN not found");
}
}
if (match < 0)
{
free(capOutput);
return false;
}
CLog::Log(LOGNOTICE,"(XVBA) using decoder capability id: %i flags: %i",
capOutput->decode_caps_list[match].capability_id,
capOutput->decode_caps_list[match].flags);
CLog::Log(LOGNOTICE,"(XVBA) using surface type: %x",
capOutput->decode_caps_list[match].surface_type);
m_xvbaConfig.decoderCap = capOutput->decode_caps_list[match];
free(capOutput);
// set some varables
m_xvbaConfig.xvbaSession = 0;
m_xvbaBufferPool.data_buffer = 0;
m_xvbaBufferPool.iq_matrix_buffer = 0;
m_xvbaBufferPool.picture_descriptor_buffer = 0;
picAge.b_age = picAge.ip_age[0] = picAge.ip_age[1] = 256*256*256*64;
m_presentPicture = 0;
m_xvbaConfig.numRenderBuffers = surfaces;
m_decoderThread = CThread::GetCurrentThreadId();
m_speed = DVD_PLAYSPEED_NORMAL;
if (1) //g_guiSettings.GetBool("videoplayer.usexvbasharedsurface"))
m_xvbaConfig.useSharedSurfaces = true;
else
m_xvbaConfig.useSharedSurfaces = false;
m_displayState = XVBA_OPEN;
// setup ffmpeg
avctx->thread_count = 1;
avctx->get_buffer = CDecoder::FFGetBuffer;
avctx->release_buffer = CDecoder::FFReleaseBuffer;
avctx->draw_horiz_band = CDecoder::FFDrawSlice;
avctx->slice_flags = SLICE_FLAG_CODED_ORDER|SLICE_FLAG_ALLOW_FIELD;
g_Windowing.Register(this);
return true;
}
void CDecoder::Close()
{
CLog::Log(LOGNOTICE, "XVBA::Close - closing decoder, id: %d", m_decoderId);
if (!m_xvbaConfig.context)
return;
DestroySession();
if (m_xvbaConfig.context)
m_xvbaConfig.context->Release();
m_xvbaConfig.context = 0;
while (!m_videoSurfaces.empty())
{
xvba_render_state *render = m_videoSurfaces.back();
if(render->buffers_alllocated > 0)
m_dllAvUtil.av_free(render->buffers);
m_videoSurfaces.pop_back();
free(render);
}
g_Windowing.Unregister(this);
m_dllAvUtil.Unload();
}
long CDecoder::Release()
{
// check if we should do some pre-cleanup here
// a second decoder might need resources
if (m_xvbaConfig.xvbaSession)
{
CSingleLock lock(m_decoderSection);
CLog::Log(LOGNOTICE,"XVBA::Release pre-cleanup");
Message *reply;
if (m_xvbaOutput.m_controlPort.SendOutMessageSync(COutputControlProtocol::PRECLEANUP,
&reply,
2000))
{
bool success = reply->signal == COutputControlProtocol::ACC ? true : false;
reply->Release();
if (!success)
{
CLog::Log(LOGERROR, "XVBA::%s - pre-cleanup returned error", __FUNCTION__);
m_displayState = XVBA_ERROR;
}
}
else
{
CLog::Log(LOGERROR, "XVBA::%s - pre-cleanup timed out", __FUNCTION__);
m_displayState = XVBA_ERROR;
}
for(unsigned int i = 0; i < m_videoSurfaces.size(); ++i)
{
xvba_render_state *render = m_videoSurfaces[i];
if (render->surface && !(render->state & FF_XVBA_STATE_USED_FOR_RENDER))
{
g_XVBA_vtable.DestroySurface(render->surface);
render->surface = 0;
render->picture_descriptor = 0;
render->iq_matrix = 0;
}
}
}
IHardwareDecoder::Release();
}
long CDecoder::ReleasePicReference()
{
return IHardwareDecoder::Release();
}
bool CDecoder::Supports(EINTERLACEMETHOD method)
{
if(method == VS_INTERLACEMETHOD_AUTO)
return true;
if (1) //g_guiSettings.GetBool("videoplayer.usexvbasharedsurface"))
{
if (method == VS_INTERLACEMETHOD_XVBA)
return true;
}
return false;
}
void CDecoder::ResetState()
{
picAge.b_age = picAge.ip_age[0] = picAge.ip_age[1] = 256*256*256*64;
m_displayState = XVBA_OPEN;
}
int CDecoder::Check(AVCodecContext* avctx)
{
EDisplayState state;
{ CSingleLock lock(m_decoderSection);
state = m_displayState;
}
if (state == XVBA_LOST)
{
CLog::Log(LOGNOTICE,"XVBA::Check waiting for display reset event");
if (!m_displayEvent.WaitMSec(2000))
{
CLog::Log(LOGERROR, "XVBA::Check - device didn't reset in reasonable time");
state = XVBA_RESET;;
}
else
{ CSingleLock lock(m_decoderSection);
state = m_displayState;
}
}
if (state == XVBA_RESET || state == XVBA_ERROR)
{
CLog::Log(LOGNOTICE,"XVBA::Check - Attempting recovery");
CSingleLock gLock(g_graphicsContext);
CSingleLock lock(m_decoderSection);
DestroySession();
ResetState();
CXVBAContext::EnsureContext(&m_xvbaConfig.context);
if (state == XVBA_RESET)
return VC_FLUSHED;
else
return VC_ERROR;
}
return 0;
}
void CDecoder::SetError(const char* function, const char* msg, int line)
{
CLog::Log(LOGERROR, "XVBA::%s - %s, line %d", function, msg, line);
CSingleLock lock(m_decoderSection);
m_displayState = XVBA_ERROR;
}
bool CDecoder::CreateSession(AVCodecContext* avctx)
{
m_xvbaConfig.surfaceWidth = (avctx->coded_width+15) & ~15;
m_xvbaConfig.surfaceHeight = (avctx->coded_height+15) & ~15;
m_xvbaConfig.vidWidth = avctx->width;
m_xvbaConfig.vidHeight = avctx->height;
XVBA_Create_Decode_Session_Input sessionInput;
XVBA_Create_Decode_Session_Output sessionOutput;
sessionInput.size = sizeof(sessionInput);
sessionInput.width = m_xvbaConfig.surfaceWidth;
sessionInput.height = m_xvbaConfig.surfaceHeight;
sessionInput.context = m_xvbaConfig.context->GetContext();
sessionInput.decode_cap = &m_xvbaConfig.decoderCap;
sessionOutput.size = sizeof(sessionOutput);
if (Success != g_XVBA_vtable.CreateDecode(&sessionInput, &sessionOutput))
{
SetError(__FUNCTION__, "failed to create decoder session", __LINE__);
CLog::Log(LOGERROR, "Decoder failed with following stats: m_surfaceWidth %u, m_surfaceHeight %u,"
" m_vidWidth %u, m_vidHeight %u, coded_width %d, coded_height %d",
m_xvbaConfig.surfaceWidth,
m_xvbaConfig.surfaceHeight,
m_xvbaConfig.vidWidth,
m_xvbaConfig.vidHeight,
avctx->coded_width,
avctx->coded_height);
return false;
}
m_xvbaConfig.xvbaSession = sessionOutput.session;
// create decode buffers
XVBA_Create_DecodeBuff_Input bufferInput;
XVBA_Create_DecodeBuff_Output bufferOutput;
bufferInput.size = sizeof(bufferInput);
bufferInput.session = m_xvbaConfig.xvbaSession;
bufferInput.buffer_type = XVBA_PICTURE_DESCRIPTION_BUFFER;
bufferInput.num_of_buffers = 1;
bufferOutput.size = sizeof(bufferOutput);
if (Success != g_XVBA_vtable.CreateDecodeBuffers(&bufferInput, &bufferOutput)
|| bufferOutput.num_of_buffers_in_list != 1)
{
SetError(__FUNCTION__, "failed to create picture buffer", __LINE__);
return false;
}
m_xvbaBufferPool.picture_descriptor_buffer = bufferOutput.buffer_list;
// data buffer
bufferInput.buffer_type = XVBA_DATA_BUFFER;
if (Success != g_XVBA_vtable.CreateDecodeBuffers(&bufferInput, &bufferOutput)
|| bufferOutput.num_of_buffers_in_list != 1)
{
SetError(__FUNCTION__, "failed to create data buffer", __LINE__);
return false;
}
m_xvbaBufferPool.data_buffer = bufferOutput.buffer_list;
// QO Buffer
bufferInput.buffer_type = XVBA_QM_BUFFER;
if (Success != g_XVBA_vtable.CreateDecodeBuffers(&bufferInput, &bufferOutput)
|| bufferOutput.num_of_buffers_in_list != 1)
{
SetError(__FUNCTION__, "failed to create qm buffer", __LINE__);
return false;
}
m_xvbaBufferPool.iq_matrix_buffer = bufferOutput.buffer_list;
// initialize output
CSingleLock lock(g_graphicsContext);
m_xvbaConfig.stats = &m_bufferStats;
m_bufferStats.Reset();
m_xvbaOutput.Start();
Message *reply;
if (m_xvbaOutput.m_controlPort.SendOutMessageSync(COutputControlProtocol::INIT,
&reply,
2000,
&m_xvbaConfig,
sizeof(m_xvbaConfig)))
{
bool success = reply->signal == COutputControlProtocol::ACC ? true : false;
reply->Release();
if (!success)
{
CLog::Log(LOGERROR, "XVBA::%s - vdpau output returned error", __FUNCTION__);
m_xvbaOutput.Dispose();
return false;
}
}
else
{
CLog::Log(LOGERROR, "XVBA::%s - failed to init output", __FUNCTION__);
m_xvbaOutput.Dispose();
return false;
}
m_inMsgEvent.Reset();
return true;
}
void CDecoder::DestroySession()
{
m_xvbaOutput.Dispose();
XVBA_Destroy_Decode_Buffers_Input bufInput;
bufInput.size = sizeof(bufInput);
bufInput.num_of_buffers_in_list = 1;
for (unsigned int i=0; i<m_xvbaBufferPool.data_control_buffers.size() ; ++i)
{
bufInput.buffer_list = m_xvbaBufferPool.data_control_buffers[i];
g_XVBA_vtable.DestroyDecodeBuffers(&bufInput);
}
m_xvbaBufferPool.data_control_buffers.clear();
if (m_xvbaConfig.xvbaSession && m_xvbaBufferPool.data_buffer)
{
bufInput.buffer_list = m_xvbaBufferPool.data_buffer;
g_XVBA_vtable.DestroyDecodeBuffers(&bufInput);
}
m_xvbaBufferPool.data_buffer = 0;
if (m_xvbaConfig.xvbaSession && m_xvbaBufferPool.picture_descriptor_buffer)
{
bufInput.buffer_list = m_xvbaBufferPool.picture_descriptor_buffer;
g_XVBA_vtable.DestroyDecodeBuffers(&bufInput);
}
m_xvbaBufferPool.picture_descriptor_buffer = 0;
if (m_xvbaConfig.xvbaSession && m_xvbaBufferPool.iq_matrix_buffer)
{
bufInput.buffer_list = m_xvbaBufferPool.iq_matrix_buffer;
g_XVBA_vtable.DestroyDecodeBuffers(&bufInput);
}
m_xvbaBufferPool.iq_matrix_buffer = 0;
for (unsigned int i = 0; i < m_videoSurfaces.size(); ++i)
{
xvba_render_state *render = m_videoSurfaces[i];
if (m_xvbaConfig.xvbaSession && render->surface)
{
g_XVBA_vtable.DestroySurface(render->surface);
render->surface = 0;
render->picture_descriptor = 0;
render->iq_matrix = 0;
}
}
if (m_xvbaConfig.xvbaSession)
g_XVBA_vtable.DestroyDecode(m_xvbaConfig.xvbaSession);
m_xvbaConfig.xvbaSession = 0;
}
bool CDecoder::IsSurfaceValid(xvba_render_state *render)
{
// find render state in queue
bool found(false);
unsigned int i;
for(i = 0; i < m_videoSurfaces.size(); ++i)
{
if(m_videoSurfaces[i] == render)
{
found = true;
break;
}
}
if (!found)
{
CLog::Log(LOGERROR,"%s - video surface not found", __FUNCTION__);
return false;
}
if (m_videoSurfaces[i]->surface == 0)
{
m_videoSurfaces[i]->state = 0;
return false;
}
return true;
}
bool CDecoder::EnsureDataControlBuffers(unsigned int num)
{
if (m_xvbaBufferPool.data_control_buffers.size() >= num)
return true;
unsigned int missing = num - m_xvbaBufferPool.data_control_buffers.size();
XVBA_Create_DecodeBuff_Input bufferInput;
XVBA_Create_DecodeBuff_Output bufferOutput;
bufferInput.size = sizeof(bufferInput);
bufferInput.session = m_xvbaConfig.xvbaSession;
bufferInput.buffer_type = XVBA_DATA_CTRL_BUFFER;
bufferInput.num_of_buffers = 1;
bufferOutput.size = sizeof(bufferOutput);
for (unsigned int i=0; i<missing; ++i)
{
{ CSingleLock lock(m_apiSec);
if (Success != g_XVBA_vtable.CreateDecodeBuffers(&bufferInput, &bufferOutput)
|| bufferOutput.num_of_buffers_in_list != 1)
{
SetError(__FUNCTION__, "failed to create data control buffer", __LINE__);
return false;
}
}
m_xvbaBufferPool.data_control_buffers.push_back(bufferOutput.buffer_list);
}
return true;
}
void CDecoder::FFReleaseBuffer(AVCodecContext *avctx, AVFrame *pic)
{
CDVDVideoCodecFFmpeg* ctx = (CDVDVideoCodecFFmpeg*)avctx->opaque;
CDecoder* xvba = (CDecoder*)ctx->GetHardware();
unsigned int i;
CSingleLock lock(xvba->m_decoderSection);
xvba_render_state * render = NULL;
render = (xvba_render_state*)pic->data[0];
if(!render)
{
CLog::Log(LOGERROR, "XVBA::FFReleaseBuffer - invalid context handle provided");
return;
}
for(i=0; i<4; i++)
pic->data[i]= NULL;
// find render state in queue
if (!xvba->IsSurfaceValid(render))
{
CLog::Log(LOGDEBUG, "XVBA::FFReleaseBuffer - ignoring invalid buffer");
return;
}
render->state &= ~FF_XVBA_STATE_USED_FOR_REFERENCE;
}
void CDecoder::FFDrawSlice(struct AVCodecContext *avctx,
const AVFrame *src, int offset[4],
int y, int type, int height)
{
CDVDVideoCodecFFmpeg* ctx = (CDVDVideoCodecFFmpeg*)avctx->opaque;
CDecoder* xvba = (CDecoder*)ctx->GetHardware();
CSingleLock lock(xvba->m_decoderSection);
if(xvba->m_displayState != XVBA_OPEN)
return;
if(src->linesize[0] || src->linesize[1] || src->linesize[2]
|| offset[0] || offset[1] || offset[2])
{
CLog::Log(LOGERROR, "XVBA::FFDrawSlice - invalid linesizes or offsets provided");
return;
}
xvba_render_state * render;
render = (xvba_render_state*)src->data[0];
if(!render)
{
CLog::Log(LOGERROR, "XVBA::FFDrawSlice - invalid context handle provided");
return;
}
// ffmpeg vc-1 decoder does not flush, make sure the data buffer is still valid
if (!xvba->IsSurfaceValid(render))
{
CLog::Log(LOGWARNING, "XVBA::FFDrawSlice - ignoring invalid buffer");
return;
}
// decoding
XVBA_Decode_Picture_Start_Input startInput;
startInput.size = sizeof(startInput);
startInput.session = xvba->m_xvbaConfig.xvbaSession;
startInput.target_surface = render->surface;
{ CSingleLock lock(xvba->m_apiSec);
if (Success != g_XVBA_vtable.StartDecodePicture(&startInput))
{
xvba->SetError(__FUNCTION__, "failed to start decoding", __LINE__);
return;
}
}
XVBA_Decode_Picture_Input picInput;
picInput.size = sizeof(picInput);
picInput.session = xvba->m_xvbaConfig.xvbaSession;
XVBABufferDescriptor *list[2];
picInput.buffer_list = list;
list[0] = xvba->m_xvbaBufferPool.picture_descriptor_buffer;
picInput.num_of_buffers_in_list = 1;
if (avctx->codec_id == CODEC_ID_H264)
{
list[1] = xvba->m_xvbaBufferPool.iq_matrix_buffer;
picInput.num_of_buffers_in_list = 2;
}
{ CSingleLock lock(xvba->m_apiSec);
if (Success != g_XVBA_vtable.DecodePicture(&picInput))
{
xvba->SetError(__FUNCTION__, "failed to decode picture 1", __LINE__);
return;
}
}
if (!xvba->EnsureDataControlBuffers(render->num_slices))
return;
XVBADataCtrl *dataControl;
int location = 0;
xvba->m_xvbaBufferPool.data_buffer->data_size_in_buffer = 0;
for (unsigned int j = 0; j < render->num_slices; ++j)
{
int startCodeSize = 0;
uint8_t startCode[] = {0x00,0x00,0x01};
if (avctx->codec_id == CODEC_ID_H264)
{
startCodeSize = 3;
memcpy((uint8_t*)xvba->m_xvbaBufferPool.data_buffer->bufferXVBA+location,
startCode, 3);
}
else if (avctx->codec_id == CODEC_ID_VC1 &&
(memcmp(render->buffers[j].buffer, startCode, 3) != 0))
{
startCodeSize = 4;
uint8_t sdf = 0x0d;
memcpy((uint8_t*)xvba->m_xvbaBufferPool.data_buffer->bufferXVBA+location,
startCode, 3);
memcpy((uint8_t*)xvba->m_xvbaBufferPool.data_buffer->bufferXVBA+location+3,
&sdf, 1);
}
// check for potential buffer overwrite
unsigned int bytesToCopy = render->buffers[j].size;
unsigned int freeBufferSize = xvba->m_xvbaBufferPool.data_buffer->buffer_size -
xvba->m_xvbaBufferPool.data_buffer->data_size_in_buffer;
if (bytesToCopy >= freeBufferSize)
{
xvba->SetError(__FUNCTION__, "bitstream buffer too large, maybe corrupted packet", __LINE__);
return;
}
memcpy((uint8_t*)xvba->m_xvbaBufferPool.data_buffer->bufferXVBA+location+startCodeSize,
render->buffers[j].buffer,
render->buffers[j].size);
dataControl = (XVBADataCtrl*)xvba->m_xvbaBufferPool.data_control_buffers[j]->bufferXVBA;
dataControl->SliceDataLocation = location;
dataControl->SliceBytesInBuffer = render->buffers[j].size+startCodeSize;
dataControl->SliceBitsInBuffer = dataControl->SliceBytesInBuffer * 8;
xvba->m_xvbaBufferPool.data_buffer->data_size_in_buffer += dataControl->SliceBytesInBuffer;
location += dataControl->SliceBytesInBuffer;
}
int bufSize = xvba->m_xvbaBufferPool.data_buffer->data_size_in_buffer;
int padding = bufSize % 128;
if (padding)
{
padding = 128 - padding;
xvba->m_xvbaBufferPool.data_buffer->data_size_in_buffer += padding;
memset((uint8_t*)xvba->m_xvbaBufferPool.data_buffer->bufferXVBA+bufSize,0,padding);
}
picInput.num_of_buffers_in_list = 2;
for (unsigned int i = 0; i < render->num_slices; ++i)
{
list[0] = xvba->m_xvbaBufferPool.data_buffer;
list[0]->data_offset = 0;
list[1] = xvba->m_xvbaBufferPool.data_control_buffers[i];