Hi Stanimir, On Thu, 17 Oct 2019 at 17:47, Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx> wrote: > > Hi Loic, > > On 10/17/19 6:08 PM, Loic Poulain wrote: > > Hi Stanimir, > > > > On Thu, 3 Oct 2019 at 12:15, Stanimir Varbanov > > <stanimir.varbanov@xxxxxxxxxx> wrote: > >> > >> I have tested this on db410c with following gst pipeline: > >> > >> gst-launch-1.0 -v videotestsrc ! > >> video/x-raw,format=NV12,width=1280,height=960,framerate=24/1 ! > >> v4l2h264enc > >> extra-controls="controls,h264_profile=4,h264_level="5",video_bitrate=10000000;" > >> ! filesink location=gstenc.h264 > >> > >> Loic, could you give it a try on db820c too? > >> > >> Here is the info on the bug which I try to fix with current patch: > >> > >> https://bugs.96boards.org/show_bug.cgi?id=513 > >> > >> On 10/3/19 1:10 PM, Stanimir Varbanov wrote: > >>> This fixes an issue when setting the encoder framerate because of > >>> missing precision. Now the frameinterval type is changed to > >>> TYPE_CONTINUOUS and step = 1. Also the math is changed when > >>> framerate property is called - the firmware side expects the > >>> framerate in Q16 values. > >>> > >>> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx> > >>> --- > >>> > >>> Changes since v3: > >>> Keep min/max numerator one, and divide frate(max/min) to frame > >>> factor (returned framerate max/min capabilities are in range > >>> 1 to 120fps but in Q16 i.e. 65536 to 7864320). > >>> > >>> drivers/media/platform/qcom/venus/venc.c | 17 ++++++++++++----- > >>> 1 file changed, 12 insertions(+), 5 deletions(-) > >>> > >>> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c > >>> index 1b7fb2d5887c..133ff7eceb83 100644 > >>> --- a/drivers/media/platform/qcom/venus/venc.c > >>> +++ b/drivers/media/platform/qcom/venus/venc.c > >>> @@ -22,6 +22,7 @@ > >>> #include "venc.h" > >>> > >>> #define NUM_B_FRAMES_MAX 4 > >>> +#define FRAMERATE_FACTOR BIT(16) > >>> > >>> /* > >>> * Three resons to keep MPLANE formats (despite that the number of planes > >>> @@ -576,7 +577,7 @@ static int venc_enum_frameintervals(struct file *file, void *fh, > >>> struct venus_inst *inst = to_inst(file); > >>> const struct venus_format *fmt; > >>> > >>> - fival->type = V4L2_FRMIVAL_TYPE_STEPWISE; > >>> + fival->type = V4L2_FRMIVAL_TYPE_CONTINUOUS; > >>> > >>> fmt = find_format(inst, fival->pixel_format, > >>> V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE); > >>> @@ -600,11 +601,11 @@ static int venc_enum_frameintervals(struct file *file, void *fh, > >>> return -EINVAL; > >>> > >>> fival->stepwise.min.numerator = 1; > >>> - fival->stepwise.min.denominator = frate_max(inst); > >>> + fival->stepwise.min.denominator = frate_max(inst) / FRAMERATE_FACTOR; > > > > On 820c frate_max() returns 120 set denominator to 0, and causes > > gstreamer failure. > > OK, thanks! > > We have two options > - unify frate_min/max() to return in Q16 depending on the hfi version > - or move frame_factor in frate_min/max() and return the framerate (1..120) No strong preference... Regards, Loic