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_DEFAULT;
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 BOOL openh264_init(H264_CONTEXT* h264)
{
#if defined (WITH_OPENH264_LOADING)
BOOL success = FALSE;
size_t i;
#endif
UINT32 x;
long status;
SDecodingParam sDecParam;
H264_CONTEXT_OPENH264* sysContexts;
static int traceLevel = WELS_LOG_DEBUG;
#if (OPENH264_MAJOR == 1) && (OPENH264_MINOR <= 5)
static EVideoFormatType videoFormat = videoFormatI420;
#endif
static WelsTraceCallback traceCallback = (WelsTraceCallback)
openh264_trace_callback;
h264->numSystemData = 1;
sysContexts = (H264_CONTEXT_OPENH264*) calloc(h264->numSystemData,
sizeof(H264_CONTEXT_OPENH264));
if (!sysContexts)
goto EXCEPTION;
h264->pSystemData = (void*) sysContexts;
#if defined (WITH_OPENH264_LOADING)
for (i = 0; i < ARRAYSIZE(openh264_library_names); i++)
{
const char* current = openh264_library_names[i];
success = openh264_load_functionpointers(h264, current);
if (success)
break;
}
if (!success)
goto EXCEPTION;
#else
sysContexts->WelsGetCodecVersionEx = WelsGetCodecVersionEx;
sysContexts->WelsCreateDecoder = WelsCreateDecoder;
sysContexts->WelsDestroyDecoder = WelsDestroyDecoder;
sysContexts->WelsCreateSVCEncoder = WelsCreateSVCEncoder;
sysContexts->WelsDestroySVCEncoder = WelsDestroySVCEncoder;
#endif
for (x = 0; x < h264->numSystemData; x++)
{
H264_CONTEXT_OPENH264* sys = &sysContexts[x];
if (h264->Compressor)
{
sysContexts->WelsCreateSVCEncoder(&sys->pEncoder);
if (!sys->pEncoder)
{
WLog_Print(h264->log, WLOG_ERROR, "Failed to create OpenH264 encoder");
goto EXCEPTION;
}
}
else
{
sysContexts->WelsCreateDecoder(&sys->pDecoder);
if (!sys->pDecoder)
{
WLog_Print(h264->log, WLOG_ERROR, "Failed to create OpenH264 decoder");
goto EXCEPTION;
}
ZeroMemory(&sDecParam, sizeof(sDecParam));
#if (OPENH264_MAJOR == 1) && (OPENH264_MINOR <= 5)
sDecParam.eOutputColorFormat = videoFormatI420;
#endif
sDecParam.eEcActiveIdc = ERROR_CON_FRAME_COPY;
sDecParam.sVideoProperty.eVideoBsType = VIDEO_BITSTREAM_AVC;
status = (*sys->pDecoder)->Initialize(sys->pDecoder, &sDecParam);
if (status != 0)
{
WLog_Print(h264->log, WLOG_ERROR, "Failed to initialize OpenH264 decoder (status=%ld)",
status);
goto EXCEPTION;
}
#if (OPENH264_MAJOR == 1) && (OPENH264_MINOR <= 5)
status = (*sys->pDecoder)->SetOption(
sys->pDecoder, DECODER_OPTION_DATAFORMAT,
&videoFormat);
#endif
if (status != 0)
{
WLog_Print(h264->log, WLOG_ERROR,
"Failed to set data format option on OpenH264 decoder (status=%ld)",
status);
goto EXCEPTION;
}
if (WLog_GetLogLevel(h264->log) == WLOG_TRACE)
{
status = (*sys->pDecoder)->SetOption(
sys->pDecoder, DECODER_OPTION_TRACE_LEVEL,
&traceLevel);
if (status != 0)
{
WLog_Print(h264->log, WLOG_ERROR,
"Failed to set trace level option on OpenH264 decoder (status=%ld)",
status);
goto EXCEPTION;
}
status = (*sys->pDecoder)->SetOption(
sys->pDecoder,
DECODER_OPTION_TRACE_CALLBACK_CONTEXT,
&h264);
if (status != 0)
{
WLog_Print(h264->log, WLOG_ERROR,
"Failed to set trace callback context option on OpenH264 decoder (status=%ld)",
status);
goto EXCEPTION;
}
status = (*sys->pDecoder)->SetOption(
sys->pDecoder, DECODER_OPTION_TRACE_CALLBACK,
&traceCallback);
if (status != 0)
{
WLog_Print(h264->log, WLOG_ERROR,
"Failed to set trace callback option on OpenH264 decoder (status=%ld)",
status);
goto EXCEPTION;
}
}
}
}
return TRUE;
EXCEPTION:
openh264_uninit(h264);
return FALSE;
}
