Re: gsreeamer\v4l2sink - frame rate\size limitations
Regine Issan via gstreamer-devel <[email protected]>
| Newsgroups | gmane.comp.video.gstreamer.devel |
|---|---|
| Message-ID | <CAA3wf2tSTq4OEqQSK0=ozxXGemTiRb-Jd-W4gLmfvNH=e0u6dw@mail.gmail.com> |
Thank you , Nicolas for your kind answer. Does v4l2 limit frame size /rate Or is the limitation only set by driver , According to the hardware ? Is there any v4l2 documentation about it ? On Wed, Aug 30, 2023 at 13:37 Nicolas Dufresne <[email protected]> wrote: > Hi, > > Le mar. 29 août 2023, 06 h 45, Regine Issan via gstreamer-devel < > [email protected]> a écrit : > >> Hello, >> I am new to video world. >> Trying to figure out the frame size limitations of v4l2sink. >> running gst-launch-1.0 v4l2sink i get the result below. >> Does that mean that v4l2 supports >> video\ebayer and video\x-bayer frames >> up to 32768*32768 pixels >> with frame rate between 1 to 2147483647 frames per second ? >> > > These are just template, what the HW support is obtained at runtime. While > its possible to write an GST app to retrieve this information, it's easier > to introspect your v4l2 driver using v4l2-ctl utility. > > > >> Thanks ! >> >> >> Pad Templates: >> SINK template: 'sink' >> Availability: Always >> Capabilities: >> image/jpeg >> video/mpeg >> mpegversion: 4 >> systemstream: false >> video/mpeg >> mpegversion: { (int)1, (int)2 } >> video/mpegts >> systemstream: true >> *video/x-bayer* >> format: { (string)bggr, (string)gbrg, (string)grbg, >> (string)rggb } >> >> * width: [ 1, 32768 ] height: [ 1, 32768 ]* >> * framerate: [ 0/1, 2147483647/1 ]* >> >> *video/x-raw* >> format: { (string)RGB16, (string)BGR, (string)RGB, >> (string)ABGR, (string)xBGR, (string)RGBA, (string)RGBx, (string)GRAY8, >> (string)GRAY16_LE, (string)GRAY16_BE, (string)YVU9, (string)YV12, >> (string)YUY2, (string)YVYU, (string)UYVY, (string)Y42B, (string)Y41B, >> (string)YUV9, (string)NV12_64Z32, (string)NV24, (string)NV61, (string)NV16, >> (string)NV21, (string)NV12, (string)I420, (string)ARGB, (string)xRGB, >> (string)BGRA, (string)BGRx, (string)BGR15, (string)RGB15 } >> >> >> * width: [ 1, 32768 ] height: [ 1, 32768 ] >> framerate: [ 0/1, 2147483647/1 ]* >> >