FFMpeg decoder rocdecode integration (#583)

* initial commit

* initial implementation for host based decoder

* minor change

* cmake changes and added new sample

* rocdecDecode sample implementation

* rocdecode sample changes working

* working version of avcodec decoder and sample

* Add end of stream handling for repeated decoding with reconfigure

* reorg files and added changelog

* update readme

* revert file

* remove unused class members

* addressed reviw comment for changelog

* fix sample to work on more video files

* resolved review comments

* bumped version to 0.14.0

* fixed build warnings

* addressed review comments

* addressed review comments

* addressed review comments

* fixed readme to match .cpp file options for parameters

* updated review comments, readme, and added test data for the sample

* fixed bug for saving frame for 10 bit videos

* addressed review comments

* addressed all the new review comments

utils/ffmpegvideodecode/ffmpeg_video_dec.cpp

@@ -549,7 +549,7 @@ int FFMpegVideoDecoder::HandlePictureDisplay(RocdecParserDispInfo *pDispInfo) {
     }
     void* src_ptr[3] = {0};
     int32_t src_pitch[3] = {0};
-    src_ptr[0] = p_av_frame->data[0];    
+    src_ptr[0] = p_av_frame->data[0];
     src_ptr[1] = p_av_frame->data[1];
     src_ptr[2] = p_av_frame->data[2];
     src_pitch[0] = p_av_frame->linesize[0];