Peter Rekdal Sunde 042c486b68 Obtain fourcc when AVStream is network stream ... The `codec_tag` is only available when opening a file from disk. If `AVStream` is a network stream then `fourcc` must be obtained using `codec_id`. I have tested the following scenarios: 1) Open a `.mp4` file and verify that `codec_tag` is returned (old behavior) 2) Open a `rtsp` stream and verify that `codec_fourcc` is returned (Tested with a MJPEG, H264 and H265 stream)		2018-10-02 22:15:05 +02:00
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doc	Large update of videoio doc and samples following mshabunin comments	2016-09-09 18:46:11 +02:00
include/opencv2	videoio: CAP_PROP_BACKEND property interface	2018-09-18 16:25:01 +00:00
misc	videoio: add routines to query information about backends API	2018-07-19 17:27:37 +03:00
perf	read in gray scale mode when writing a gray scale video	2018-02-19 18:33:05 +09:00
src	Obtain fourcc when AVStream is network stream	2018-10-02 22:15:05 +02:00
test	videoio(test): add "camera" tests	2018-09-18 16:19:19 +00:00
CMakeLists.txt	cmake: support find_package(FFMPEG)	2018-05-31 18:27:01 +03:00