renamed gpucodec -> cudacodec

2013-07-23 14:29:21 +04:00
parent cfe4a71dc6
commit dbeb3e2968
39 changed files with 33 additions and 33 deletions
--- a/modules/cudacodec/src/ffmpeg_video_source.cpp
+++ b/modules/cudacodec/src/ffmpeg_video_source.cpp
@@ -0,0 +1,139 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                          License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "precomp.hpp"
+
+#ifdef HAVE_NVCUVID
+
+using namespace cv;
+using namespace cv::cudacodec;
+using namespace cv::cudacodec::detail;
+
+namespace
+{
+    Create_InputMediaStream_FFMPEG_Plugin create_InputMediaStream_FFMPEG_p = 0;
+    Release_InputMediaStream_FFMPEG_Plugin release_InputMediaStream_FFMPEG_p = 0;
+    Read_InputMediaStream_FFMPEG_Plugin read_InputMediaStream_FFMPEG_p = 0;
+
+    bool init_MediaStream_FFMPEG()
+    {
+        static bool initialized = 0;
+
+        if (!initialized)
+        {
+            #if defined WIN32 || defined _WIN32
+                const char* module_name = "opencv_ffmpeg"
+                    CVAUX_STR(CV_VERSION_EPOCH) CVAUX_STR(CV_VERSION_MAJOR) CVAUX_STR(CV_VERSION_MINOR)
+                #if (defined _MSC_VER && defined _M_X64) || (defined __GNUC__ && defined __x86_64__)
+                    "_64"
+                #endif
+                    ".dll";
+
+                static HMODULE cvFFOpenCV = LoadLibrary(module_name);
+
+                if (cvFFOpenCV)
+                {
+                    create_InputMediaStream_FFMPEG_p =
+                        (Create_InputMediaStream_FFMPEG_Plugin)GetProcAddress(cvFFOpenCV, "create_InputMediaStream_FFMPEG");
+                    release_InputMediaStream_FFMPEG_p =
+                        (Release_InputMediaStream_FFMPEG_Plugin)GetProcAddress(cvFFOpenCV, "release_InputMediaStream_FFMPEG");
+                    read_InputMediaStream_FFMPEG_p =
+                        (Read_InputMediaStream_FFMPEG_Plugin)GetProcAddress(cvFFOpenCV, "read_InputMediaStream_FFMPEG");
+
+                    initialized = create_InputMediaStream_FFMPEG_p != 0 && release_InputMediaStream_FFMPEG_p != 0 && read_InputMediaStream_FFMPEG_p != 0;
+                }
+            #elif defined HAVE_FFMPEG
+                create_InputMediaStream_FFMPEG_p = create_InputMediaStream_FFMPEG;
+                release_InputMediaStream_FFMPEG_p = release_InputMediaStream_FFMPEG;
+                read_InputMediaStream_FFMPEG_p = read_InputMediaStream_FFMPEG;
+
+                initialized = true;
+            #endif
+        }
+
+        return initialized;
+    }
+}
+
+cv::cudacodec::detail::FFmpegVideoSource::FFmpegVideoSource(const String& fname) :
+    stream_(0)
+{
+    CV_Assert( init_MediaStream_FFMPEG() );
+
+    int codec;
+    int chroma_format;
+    int width;
+    int height;
+
+    stream_ = create_InputMediaStream_FFMPEG_p(fname.c_str(), &codec, &chroma_format, &width, &height);
+    if (!stream_)
+        CV_Error(Error::StsUnsupportedFormat, "Unsupported video source");
+
+    format_.codec = static_cast<Codec>(codec);
+    format_.chromaFormat = static_cast<ChromaFormat>(chroma_format);
+    format_.width = width;
+    format_.height = height;
+}
+
+cv::cudacodec::detail::FFmpegVideoSource::~FFmpegVideoSource()
+{
+    if (stream_)
+        release_InputMediaStream_FFMPEG_p(stream_);
+}
+
+FormatInfo cv::cudacodec::detail::FFmpegVideoSource::format() const
+{
+    return format_;
+}
+
+bool cv::cudacodec::detail::FFmpegVideoSource::getNextPacket(unsigned char** data, int* size, bool* bEndOfFile)
+{
+    int endOfFile;
+
+    int res = read_InputMediaStream_FFMPEG_p(stream_, data, size, &endOfFile);
+
+    *bEndOfFile = (endOfFile != 0);
+    return res != 0;
+}
+
+#endif // HAVE_CUDA