add av_register_all() function call back into FFmpegDemuxer.cpp to avoid error about 'no AVFormatContext provided' (#289)

TracelessLe · web-flow · commit e7c311f2f231 · 2021-12-13T11:34:56.000+03:00
diff --git a/PyNvCodec/TC/src/FFmpegDemuxer.cpp b/PyNvCodec/TC/src/FFmpegDemuxer.cpp
@@ -463,6 +463,7 @@ FFmpegDemuxer::CreateFormatContext(const char *szFilePath,
   }
 
   AVFormatContext *ctx = nullptr;
+  av_register_all();
   auto err = avformat_open_input(&ctx, szFilePath, nullptr, &options);
   if (err < 0 || nullptr == ctx) {
     cerr << "Can't open " << szFilePath << ": " << AvErrorToString(err) << "\n";

Original file line number	Diff line number	Diff line change
`@@ -463,6 +463,7 @@ FFmpegDemuxer::CreateFormatContext(const char *szFilePath,`
`463`	`463`	`}`
`464`	`464`
`465`	`465`	`AVFormatContext *ctx = nullptr;`
	`466`	`+ av_register_all();`
`466`	`467`	`auto err = avformat_open_input(&ctx, szFilePath, nullptr, &options);`
`467`	`468`	`if (err < 0 \|\| nullptr == ctx) {`
`468`	`469`	`cerr << "Can't open " << szFilePath << ": " << AvErrorToString(err) << "\n";`