[cuda][cudacodec] Address build warnings

modules/cudacodec/include/opencv2/cudacodec.hpp

@@ -385,6 +385,8 @@ struct CV_EXPORTS_W_SIMPLE FormatInfo
  */
 class CV_EXPORTS_W NVSurfaceToColorConverter {
 public:
+    virtual ~NVSurfaceToColorConverter() {}
+
     /** @brief Performs the conversion from the raw YUV Surface output from VideoReader to the requested color format. Use this function when you want to convert the raw YUV Surface output from VideoReader to more than one color format or you want both the raw Surface output in addition to a color frame.
      * @param yuv The raw YUV Surface output from VideoReader see @ref SurfaceFormat.
      * @param color The converted frame.
@@ -550,8 +552,7 @@ class CV_EXPORTS_W VideoReader
      - Out: Value of the property.
     @return `true` unless the property is not supported.
     */
-    virtual bool get(const VideoReaderProps propertyId, double& propertyVal) const = 0;
-    CV_WRAP virtual bool getVideoReaderProps(const VideoReaderProps propertyId,  CV_OUT double& propertyValOut, double propertyValIn = 0) const = 0;
+    CV_WRAP_AS(getVideoReaderProps) virtual bool get(const VideoReaderProps propertyId, CV_OUT size_t& propertyVal) const = 0;
 
     /** @brief Retrieves the specified property used by the VideoSource.
 
@@ -562,6 +563,43 @@ class CV_EXPORTS_W VideoReader
     @return `true` unless the property is unset set or not supported.
      */
     CV_WRAP virtual bool get(const int propertyId, CV_OUT double& propertyVal) const = 0;
+
+    /** @brief Determine whether the raw package at \a idx contains encoded data for a key frame.
+
+    @param idx Index of the encoded package to check.
+
+    @returns `true` if the raw package at \a idx contains encoded data for a key frame and `false` otherwise.
+
+    @note A typical use case is deciding to archive live video after streaming has been initialized. In this scenario you would not want to write any encoded frames before a key frame. This is simulated in the example below where VideoReader is initialized without enabling raw mode
+    ```
+    VideoReaderInitParams params;
+    params.rawMode = false;
+    Ptr<VideoReader> reader = createVideoReader(rtspUrl, {}, params);
+    ```
+    and then at some point in the future raw mode is enabled to enable the footage to be archived
+    ```
+    reader->set(VideoReaderProps::PROP_RAW_MODE, true);
+    ```
+    Because raw mode has been enabled mid stream the first raw package retrieved now is not guaranteed to contain a key frame. To locate the next raw package containing a key frame rawPackageHasKeyFrame() can then be used as shown below.
+    ```
+    double iRawPacketBase = -1;
+    reader->get(VideoReaderProps::PROP_RAW_PACKAGES_BASE_INDEX, iRawPacketBase);
+    GpuMat frame;
+    while (reader->nextFrame(frame)) {
+        double nRawPackets = -1;
+        reader->get(VideoReaderProps::PROP_NUMBER_OF_RAW_PACKAGES_SINCE_LAST_GRAB, nRawPackets);
+        for (int iRawPacketToWrite = static_cast<int>(iRawPacketBase); iRawPacketToWrite < static_cast<int>(iRawPacketBase + nRawPackets); iRawPacketToWrite++) {
+            if (reader->rawPackageHasKeyFrame(iRawPacketToWrite)) {
+                Mat packageToWrite;
+                reader->retrieve(packageToWrite, iRawPacketToWrite);
+                ...
+            }
+        }
+    }
+    ```
+    \sa retrieve
+    */
+    CV_WRAP virtual bool rawPackageHasKeyFrame(const size_t idx) const = 0;
 };
 
 /** @brief Interface for video demultiplexing. :

modules/cudacodec/src/NvEncoder.cpp

@@ -101,11 +101,9 @@ void NvEncoder::CreateDefaultEncoderParams(NV_ENC_INITIALIZE_PARAMS* pIntializeP
 #endif
     pIntializeParams->tuningInfo = tuningInfo;
     pIntializeParams->encodeConfig->rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
-#if ((NVENCAPI_MAJOR_VERSION == 12 && NVENCAPI_MINOR_VERSION >= 2) || NVENCAPI_MAJOR_VERSION > 12)
-    NV_ENC_PRESET_CONFIG presetConfig = { NV_ENC_PRESET_CONFIG_VER, 0, { NV_ENC_CONFIG_VER } };
-#else
-    NV_ENC_PRESET_CONFIG presetConfig = { NV_ENC_PRESET_CONFIG_VER, { NV_ENC_CONFIG_VER } };
-#endif
+    NV_ENC_PRESET_CONFIG presetConfig = {};
+    presetConfig.version = NV_ENC_PRESET_CONFIG_VER;
+    presetConfig.presetCfg.version = NV_ENC_CONFIG_VER;
     m_nvenc.nvEncGetEncodePresetConfigEx(m_hEncoder, codecGuid, presetGuid, tuningInfo, &presetConfig);
     memcpy(pIntializeParams->encodeConfig, &presetConfig.presetCfg, sizeof(NV_ENC_CONFIG));
 
@@ -205,11 +203,9 @@ void NvEncoder::CreateEncoder(const NV_ENC_INITIALIZE_PARAMS* pEncoderParams)
     }
     else
     {
-#if ((NVENCAPI_MAJOR_VERSION == 12 && NVENCAPI_MINOR_VERSION >= 2) || NVENCAPI_MAJOR_VERSION > 12)
-        NV_ENC_PRESET_CONFIG presetConfig = { NV_ENC_PRESET_CONFIG_VER, 0, { NV_ENC_CONFIG_VER } };
-#else
-        NV_ENC_PRESET_CONFIG presetConfig = { NV_ENC_PRESET_CONFIG_VER, { NV_ENC_CONFIG_VER } };
-#endif
+        NV_ENC_PRESET_CONFIG presetConfig = {};
+        presetConfig.version = NV_ENC_PRESET_CONFIG_VER;
+        presetConfig.presetCfg.version = NV_ENC_CONFIG_VER;
         m_nvenc.nvEncGetEncodePresetConfigEx(m_hEncoder, pEncoderParams->encodeGUID, pEncoderParams->presetGUID, pEncoderParams->tuningInfo, &presetConfig);
         memcpy(&m_encodeConfig, &presetConfig.presetCfg, sizeof(NV_ENC_CONFIG));
     }
@@ -570,6 +566,8 @@ void NvEncoder::WaitForCompletionEvent(int iEvent)
         NVENC_THROW_ERROR("Failed to encode frame", NV_ENC_ERR_GENERIC);
     }
 #endif
+#else
+    CV_UNUSED(iEvent);
 #endif
 }
 

modules/cudacodec/src/NvEncoder.h

@@ -263,7 +263,10 @@ class NvEncoder
     /**
     * @brief This function returns the completion event.
     */
-    void* GetCompletionEvent(uint32_t eventIdx) { return (m_vpCompletionEvent.size() == m_nEncoderBuffer) ? m_vpCompletionEvent[eventIdx] : nullptr; }
+    void* GetCompletionEvent(uint32_t eventIdx) {
+        CV_Assert(m_nEncoderBuffer >= 0);
+        return (m_vpCompletionEvent.size() == static_cast<size_t>(m_nEncoderBuffer)) ? m_vpCompletionEvent[eventIdx] : nullptr;
+    }
 
     /**
     * @brief This function returns the current pixel format.

modules/cudacodec/src/cuda/ColorSpace.cu

@@ -8,6 +8,11 @@
 
 namespace cv { namespace cuda { namespace device {
 
+void Y8ToGray8(uint8_t* dpY8, int nY8Pitch, uint8_t* dpGray, int nGrayPitch, int nWidth, int nHeight, ColorMatrix matYuv2Color, bool videoFullRangeFlag, const cudaStream_t stream);
+void Y8ToGray16(uint8_t* dpY8, int nY8Pitch, uint8_t* dpGray, int nGrayPitch, int nWidth, int nHeight, ColorMatrix matYuv2Color, bool videoFullRangeFlag, const cudaStream_t stream);
+void Y16ToGray8(uint8_t* dpY16, int nY16Pitch, uint8_t* dpGray, int nGrayPitch, int nWidth, int nHeight, ColorMatrix matYuv2Color, bool videoFullRangeFlag, const cudaStream_t stream);
+void Y16ToGray16(uint8_t* dpY16, int nY16Pitch, uint8_t* dpGray, int nGrayPitch, int nWidth, int nHeight, ColorMatrix matYuv2Color, bool videoFullRangeFlag, const cudaStream_t stream);
+
 template<class T>
 __device__ static T Clamp(T x, T lower, T upper) {
     return x < lower ? lower : (x > upper ? upper : x);

modules/cudacodec/src/cuvid_video_source.cpp

@@ -68,7 +68,7 @@ cv::cudacodec::detail::CuvidVideoSource::CuvidVideoSource(const String& fname)
     CUVIDEOFORMAT vidfmt;
     cuSafeCall( cuvidGetSourceVideoFormat(videoSource_, &vidfmt, 0) );
 
-    CV_Assert(Codec::NumCodecs == cudaVideoCodec::cudaVideoCodec_NumCodecs);
+    CV_Assert(static_cast<int>(Codec::NumCodecs) == static_cast<int>(cudaVideoCodec::cudaVideoCodec_NumCodecs));
     format_.codec = static_cast<Codec>(vidfmt.codec);
     format_.chromaFormat = static_cast<ChromaFormat>(vidfmt.chroma_format);
     format_.nBitDepthMinus8 = vidfmt.bit_depth_luma_minus8;

modules/cudacodec/src/cuvid_video_source.hpp

@@ -56,6 +56,7 @@ class CuvidVideoSource : public VideoSource
 
     FormatInfo format() const CV_OVERRIDE;
     void updateFormat(const FormatInfo& videoFormat) CV_OVERRIDE;
+    bool get(const int, double&) const { return false; }
     void start() CV_OVERRIDE;
     void stop() CV_OVERRIDE;
     bool isStarted() const CV_OVERRIDE;

modules/cudacodec/src/ffmpeg_video_source.cpp

@@ -90,7 +90,7 @@ Codec FourccToCodec(int codec)
 }
 
 static
-int StartCodeLen(unsigned char* data, const int sz) {
+int StartCodeLen(unsigned char* data, const size_t sz) {
     if (sz >= 3 && data[0] == 0 && data[1] == 0 && data[2] == 1)
         return 3;
     else if (sz >= 4 && data[0] == 0 && data[1] == 0 && data[2] == 0 && data[3] == 1)
@@ -99,7 +99,8 @@ int StartCodeLen(unsigned char* data, const int sz) {
         return 0;
 }
 
-bool ParamSetsExist(unsigned char* parameterSets, const int szParameterSets, unsigned char* data, const int szData) {
+static
+bool ParamSetsExist(unsigned char* parameterSets, const size_t szParameterSets, unsigned char* data, const size_t szData) {
     const int paramSetStartCodeLen = StartCodeLen(parameterSets, szParameterSets);
     const int packetStartCodeLen = StartCodeLen(data, szData);
     // weak test to see if the parameter set has already been included in the RTP stream
@@ -129,8 +130,8 @@ cv::cudacodec::detail::FFmpegVideoSource::FFmpegVideoSource(const String& fname,
 
     int codec = (int)cap.get(CAP_PROP_FOURCC);
     format_.codec = FourccToCodec(codec);
-    format_.height = cap.get(CAP_PROP_FRAME_HEIGHT);
-    format_.width = cap.get(CAP_PROP_FRAME_WIDTH);
+    format_.height = static_cast<int>(cap.get(CAP_PROP_FRAME_HEIGHT));
+    format_.width = static_cast<int>(cap.get(CAP_PROP_FRAME_WIDTH));
     format_.displayArea = Rect(0, 0, format_.width, format_.height);
     format_.valid = false;
     format_.fps = cap.get(CAP_PROP_FPS);
@@ -181,7 +182,8 @@ bool cv::cudacodec::detail::FFmpegVideoSource::getNextPacket(unsigned char** dat
         {
             const size_t nBytesToTrimFromData = format_.codec == Codec::MPEG4 ? 3 : 0;
             const size_t newSz = extraData.total() + *size - nBytesToTrimFromData;
-            dataWithHeader = Mat(1, newSz, CV_8UC1);
+            CV_Assert(newSz <= std::numeric_limits<int>::max());
+            dataWithHeader = Mat(1, static_cast<int>(newSz), CV_8UC1);
             memcpy(dataWithHeader.data, extraData.data, extraData.total());
             memcpy(dataWithHeader.data + extraData.total(), (*data) + nBytesToTrimFromData, *size - nBytesToTrimFromData);
             *data = dataWithHeader.data;

modules/cudacodec/src/video_decoder.cpp

@@ -76,7 +76,7 @@ static const char* GetVideoCodecString(cudaVideoCodec eCodec) {
     }
     for (int i = cudaVideoCodec_NumCodecs + 1; i < sizeof(aCodecName) / sizeof(aCodecName[0]); i++) {
         if (eCodec == aCodecName[i].eCodec) {
-            return aCodecName[eCodec].name;
+            return aCodecName[i].name;
         }
     }
     return "Unknown";
@@ -158,7 +158,7 @@ void cv::cudacodec::detail::VideoDecoder::create(const FormatInfo& videoFormat)
     codecSupported |= cudaVideoCodec_VP8 == _codec || cudaVideoCodec_VP9 == _codec;
 #endif
 #if (CUDART_VERSION >= 9000)
-    codecSupported |= cudaVideoCodec_AV1;
+    codecSupported |= cudaVideoCodec_AV1 == _codec;
 #endif
     CV_Assert(codecSupported);
     CV_Assert(  cudaVideoChromaFormat_Monochrome == _chromaFormat ||
@@ -211,12 +211,12 @@ void cv::cudacodec::detail::VideoDecoder::create(const FormatInfo& videoFormat)
         }
     }
 
-    CV_Assert(videoFormat.ulWidth >= decodeCaps.nMinWidth &&
-        videoFormat.ulHeight >= decodeCaps.nMinHeight &&
-        videoFormat.ulWidth <= decodeCaps.nMaxWidth &&
-        videoFormat.ulHeight <= decodeCaps.nMaxHeight);
+    CV_Assert(videoFormat.ulWidth >= static_cast<int>(decodeCaps.nMinWidth) &&
+        videoFormat.ulHeight >= static_cast<int>(decodeCaps.nMinHeight) &&
+        videoFormat.ulWidth <= static_cast<int>(decodeCaps.nMaxWidth) &&
+        videoFormat.ulHeight <= static_cast<int>(decodeCaps.nMaxHeight));
 
-    CV_Assert((videoFormat.width >> 4) * (videoFormat.height >> 4) <= decodeCaps.nMaxMBCount);
+    CV_Assert((static_cast<unsigned int>(videoFormat.width) >> 4) * (static_cast<unsigned int>(videoFormat.height) >> 4) <= decodeCaps.nMaxMBCount);
 #else
     if (videoFormat.enableHistogram) {
         CV_Error(Error::StsBadArg, "Luma histogram output is not supported when CUDA Toolkit version <= 9.0.");
@@ -240,14 +240,14 @@ void cv::cudacodec::detail::VideoDecoder::create(const FormatInfo& videoFormat)
     createInfo_.DeinterlaceMode = static_cast<cudaVideoDeinterlaceMode>(videoFormat.deinterlaceMode);
     createInfo_.ulTargetWidth       = videoFormat.width;
     createInfo_.ulTargetHeight      = videoFormat.height;
-    createInfo_.display_area.left   = videoFormat.displayArea.x;
-    createInfo_.display_area.right  = videoFormat.displayArea.x + videoFormat.displayArea.width;
-    createInfo_.display_area.top    = videoFormat.displayArea.y;
-    createInfo_.display_area.bottom = videoFormat.displayArea.y + videoFormat.displayArea.height;
-    createInfo_.target_rect.left    = videoFormat.targetRoi.x;
-    createInfo_.target_rect.right   = videoFormat.targetRoi.x + videoFormat.targetRoi.width;
-    createInfo_.target_rect.top     = videoFormat.targetRoi.y;
-    createInfo_.target_rect.bottom  = videoFormat.targetRoi.y + videoFormat.targetRoi.height;
+    createInfo_.display_area.left = static_cast<short>(videoFormat.displayArea.x);
+    createInfo_.display_area.right = static_cast<short>(videoFormat.displayArea.x + videoFormat.displayArea.width);
+    createInfo_.display_area.top = static_cast<short>(videoFormat.displayArea.y);
+    createInfo_.display_area.bottom = static_cast<short>(videoFormat.displayArea.y + videoFormat.displayArea.height);
+    createInfo_.target_rect.left = static_cast<short>(videoFormat.targetRoi.x);
+    createInfo_.target_rect.right = static_cast<short>(videoFormat.targetRoi.x + videoFormat.targetRoi.width);
+    createInfo_.target_rect.top = static_cast<short>(videoFormat.targetRoi.y);
+    createInfo_.target_rect.bottom = static_cast<short>(videoFormat.targetRoi.y + videoFormat.targetRoi.height);
     createInfo_.ulNumOutputSurfaces = 2;
     createInfo_.ulCreationFlags     = videoCreateFlags;
     createInfo_.vidLock = lock_;
@@ -288,19 +288,19 @@ int cv::cudacodec::detail::VideoDecoder::reconfigure(const FormatInfo& videoForm
         videoFormat_.targetRoi = videoFormat.targetRoi;
     }
 
-    CUVIDRECONFIGUREDECODERINFO reconfigParams = { 0 };
+    CUVIDRECONFIGUREDECODERINFO reconfigParams = {};
     reconfigParams.ulWidth = videoFormat_.ulWidth;
     reconfigParams.ulHeight = videoFormat_.ulHeight;
-    reconfigParams.display_area.left = videoFormat_.displayArea.x;
-    reconfigParams.display_area.right = videoFormat_.displayArea.x + videoFormat_.displayArea.width;
-    reconfigParams.display_area.top = videoFormat_.displayArea.y;
-    reconfigParams.display_area.bottom = videoFormat_.displayArea.y + videoFormat_.displayArea.height;
+    reconfigParams.display_area.left = static_cast<short>(videoFormat_.displayArea.x);
+    reconfigParams.display_area.right = static_cast<short>(videoFormat_.displayArea.x + videoFormat_.displayArea.width);
+    reconfigParams.display_area.top = static_cast<short>(videoFormat_.displayArea.y);
+    reconfigParams.display_area.bottom = static_cast<short>(videoFormat_.displayArea.y + videoFormat_.displayArea.height);
     reconfigParams.ulTargetWidth = videoFormat_.width;
     reconfigParams.ulTargetHeight = videoFormat_.height;
-    reconfigParams.target_rect.left = videoFormat_.targetRoi.x;
-    reconfigParams.target_rect.right = videoFormat_.targetRoi.x + videoFormat_.targetRoi.width;
-    reconfigParams.target_rect.top = videoFormat_.targetRoi.y;
-    reconfigParams.target_rect.bottom = videoFormat_.targetRoi.y + videoFormat_.targetRoi.height;
+    reconfigParams.target_rect.left = static_cast<short>(videoFormat_.targetRoi.x);
+    reconfigParams.target_rect.right = static_cast<short>(videoFormat_.targetRoi.x + videoFormat_.targetRoi.width);
+    reconfigParams.target_rect.top = static_cast<short>(videoFormat_.targetRoi.y);
+    reconfigParams.target_rect.bottom = static_cast<short>(videoFormat_.targetRoi.y + videoFormat_.targetRoi.height);
     reconfigParams.ulNumDecodeSurfaces = videoFormat_.ulNumDecodeSurfaces;
 
     cuSafeCall(cuCtxPushCurrent(ctx_));