Re: [FFmpeg-devel] H.264 SEI Display Orientation Message support in ffplay

2018-10-08 Thread Carl Eugen Hoyos
2018-10-07 18:03 GMT+02:00, Omer Iqbal : > I am developing a video streaming mobile application. In order to support > multiple orientations, I am currently using h.264's SEI Display Orientation > message in my H.264 bitstream. (For more context, my bitstream is > transported over RTMP and package

Re: [FFmpeg-devel] H.264 SEI Display Orientation Message support in ffplay

2018-10-07 Thread Kirill Gavrilov
Omer Iqbal wrote: > I'm curious, does anyone know why this is not implemented in video players? > Considering it is part of the H.264 specification, and ffmpeg supports > decoding it? > I believe that changing frame orientation within a stream is very awkward and rare situation, which should be

Re: [FFmpeg-devel] H.264 SEI Display Orientation Message support in ffplay

2018-10-07 Thread Omer Iqbal
Thanks for the suggestion. I took a quick look at mpv. Sadly it does not seem to support H.264 SEI Display Orientation messages either :(. Please correct me if I am wrong. I also glanced at VLC. It doesn’t seem to use AV_FRAME_DATA_DISPLAYMATRIX either. I'm curious, does anyone know why this is not

Re: [FFmpeg-devel] H.264 SEI Display Orientation Message support in ffplay

2018-10-07 Thread Dennis Mungai
You might be better served by mpv. libmpv may be a better implementation for a video player than ffplay. On Sun, Oct 7, 2018, 19:04 Omer Iqbal wrote: > Hey everyone! > > I am developing a video streaming mobile application. In order to support > multiple orientations, I am currently using h.264'

[FFmpeg-devel] H.264 SEI Display Orientation Message support in ffplay

2018-10-07 Thread Omer Iqbal
Hey everyone! I am developing a video streaming mobile application. In order to support multiple orientations, I am currently using h.264's SEI Display Orientation message in my H.264 bitstream. (For more context, my bitstream is transported over RTMP and packaged as FLV) I see that ffprobe can d