// StartPlayback -- Kick off video playback.
OMX_ERRORTYPE COpenMaxVideo::StartDecoder(void)
{
OMX_ERRORTYPE omx_err;
#if defined(OMX_DEBUG_VERBOSE)
CLog::Log(LOGDEBUG, "%s::%s\n", CLASSNAME, __func__);
#endif
// transition decoder component to IDLE state
omx_err = SetStateForComponent(OMX_StateIdle);
if (omx_err)
{
CLog::Log(LOGERROR, "%s::%s - setting OMX_StateIdle failed with omx_err(0x%x)\n",
CLASSNAME, __func__, omx_err);
return omx_err;
}
// transition decoder component to executing state
omx_err = SetStateForComponent(OMX_StateExecuting);
if (omx_err)
{
CLog::Log(LOGERROR, "%s::%s - setting OMX_StateExecuting failed with omx_err(0x%x)\n",
CLASSNAME, __func__, omx_err);
return omx_err;
}
//prime the omx output buffers.
PrimeFillBuffers();
return omx_err;
}
// StopPlayback -- Stop video playback
OMX_ERRORTYPE COpenMaxVideo::StopDecoder(void)
{
OMX_ERRORTYPE omx_err;
#if defined(OMX_DEBUG_VERBOSE)
CLog::Log(LOGDEBUG, "%s::%s\n", CLASSNAME, __func__);
#endif
// transition decoder component from executing to idle
omx_err = SetStateForComponent(OMX_StateIdle);
if (omx_err)
{
CLog::Log(LOGERROR, "%s::%s - setting OMX_StateIdle failed with omx_err(0x%x)\n",
CLASSNAME, __func__, omx_err);
return omx_err;
}
// we can free our allocated port buffers in OMX_StateIdle state.
// free OpenMax input buffers.
omx_err = FreeOMXInputBuffers(true);
// free OpenMax output buffers.
omx_err = FreeOMXOutputBuffers(true);
// transition decoder component from idle to loaded
omx_err = SetStateForComponent(OMX_StateLoaded);
if (omx_err)
CLog::Log(LOGERROR,
"%s::%s - setting OMX_StateLoaded failed with omx_err(0x%x)\n",
CLASSNAME, __func__, omx_err);
return omx_err;
}
void COMXCoreComponent::TransitionToStateLoaded()
{
if(!m_handle)
return;
if(GetState() != OMX_StateIdle)
SetStateForComponent(OMX_StateIdle);
if(GetState() != OMX_StateLoaded)
SetStateForComponent(OMX_StateLoaded);
}
bool COMXCoreComponent::Deinitialize()
{
OMX_ERRORTYPE omx_err;
if(!m_DllOMXOpen)
return false;
m_exit = true;
m_flush_input = true;
m_flush_output = true;
if(m_handle)
{
FlushAll();
FreeOutputBuffers(true);
FreeInputBuffers(true);
if(GetState() == OMX_StateExecuting)
SetStateForComponent(OMX_StatePause);
if(GetState() != OMX_StateIdle)
SetStateForComponent(OMX_StateIdle);
if(GetState() != OMX_StateLoaded)
SetStateForComponent(OMX_StateLoaded);
omx_err = m_DllOMX->OMX_FreeHandle(m_handle);
if (omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXCoreComponent::Deinitialize - failed to free handle for component %s omx_err(0x%08x)",
m_componentName.c_str(), omx_err);
}
m_handle = NULL;
}
m_input_port = 0;
m_output_port = 0;
m_componentName = "";
m_DllOMXOpen = false;
CustomDecoderFillBufferDoneHandler = NULL;
CustomDecoderEmptyBufferDoneHandler = NULL;
m_DllOMX->Unload();
return true;
}
bool OMXClock::StateExecute(bool lock)
{
if (!GetComponent())
return false;
if (lock)
Lock();
OMX_ERRORTYPE omxErr = OMX_ErrorNone;
if (GetState() != OMX_StateExecuting)
{
StateIdle(false);
omxErr = SetStateForComponent(OMX_StateExecuting);
if (omxErr != OMX_ErrorNone)
{
if (lock)
Unlock();
return false;
}
}
m_lastMediaTime = 0.0f;
if (lock)
Unlock();
return true;
}
void OMXClock::StateIdle(bool lock)
{
if (!GetComponent())
return;
if (lock)
Lock();
if (GetState() != OMX_StateIdle)
SetStateForComponent(OMX_StateIdle);
m_lastMediaTime = 0.0f;
if (lock)
Unlock();
}
OMX_ERRORTYPE COMXCoreComponent::AllocOutputBuffers(bool use_buffers /* = false */)
{
OMX_ERRORTYPE omx_err = OMX_ErrorNone;
if(!m_handle)
return OMX_ErrorUndefined;
m_omx_output_use_buffers = use_buffers;
OMX_PARAM_PORTDEFINITIONTYPE portFormat;
OMX_INIT_STRUCTURE(portFormat);
portFormat.nPortIndex = m_output_port;
omx_err = OMX_GetParameter(m_handle, OMX_IndexParamPortDefinition, &portFormat);
if(omx_err != OMX_ErrorNone)
return omx_err;
if(GetState() != OMX_StateIdle)
{
if(GetState() != OMX_StateLoaded)
SetStateForComponent(OMX_StateLoaded);
SetStateForComponent(OMX_StateIdle);
}
omx_err = EnablePort(m_output_port, false);
if(omx_err != OMX_ErrorNone)
return omx_err;
m_output_alignment = portFormat.nBufferAlignment;
m_output_buffer_count = portFormat.nBufferCountActual;
m_output_buffer_size = portFormat.nBufferSize;
CLog::Log(LOGDEBUG, "COMXCoreComponent::AllocOutputBuffers component(%s) - port(%d), nBufferCountMin(%lu), nBufferCountActual(%lu), nBufferSize(%lu) nBufferAlignmen(%lu)\n",
m_componentName.c_str(), m_output_port, portFormat.nBufferCountMin,
portFormat.nBufferCountActual, portFormat.nBufferSize, portFormat.nBufferAlignment);
for (size_t i = 0; i < portFormat.nBufferCountActual; i++)
{
OMX_BUFFERHEADERTYPE *buffer = NULL;
OMX_U8* data = NULL;
if(m_omx_output_use_buffers)
{
data = (OMX_U8*)_aligned_malloc(portFormat.nBufferSize, m_output_alignment);
omx_err = OMX_UseBuffer(m_handle, &buffer, m_output_port, NULL, portFormat.nBufferSize, data);
}
else
{
omx_err = OMX_AllocateBuffer(m_handle, &buffer, m_output_port, NULL, portFormat.nBufferSize);
}
if(omx_err != OMX_ErrorNone)
{
CLog::Log(LOGERROR, "COMXCoreComponent::AllocOutputBuffers component(%s) - OMX_UseBuffer failed with omx_err(0x%x)\n",
m_componentName.c_str(), omx_err);
if(m_omx_output_use_buffers && data)
_aligned_free(data);
return omx_err;
}
buffer->nOutputPortIndex = m_output_port;
buffer->nFilledLen = 0;
buffer->nOffset = 0;
buffer->pAppPrivate = (void*)i;
m_omx_output_buffers.push_back(buffer);
m_omx_output_available.push(buffer);
}
omx_err = WaitForCommand(OMX_CommandPortEnable, m_output_port);
m_flush_output = false;
return omx_err;
}