Em Thu, 3 Oct 2019 13:10:38 +0300 Stanimir Varbanov <stanimir.varba...@linaro.org> escreveu:
> 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.varba...@linaro.org> Didn't test the patch, but just reviewing the code, this version looks OK on my eyes. > --- > > 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; > fival->stepwise.max.numerator = 1; > - fival->stepwise.max.denominator = frate_min(inst); > + fival->stepwise.max.denominator = frate_min(inst) / FRAMERATE_FACTOR; > fival->stepwise.step.numerator = 1; > - fival->stepwise.step.denominator = frate_max(inst); > + fival->stepwise.step.denominator = 1; > > return 0; > } > @@ -649,6 +650,7 @@ static int venc_set_properties(struct venus_inst *inst) > struct hfi_quantization quant; > struct hfi_quantization_range quant_range; > u32 ptype, rate_control, bitrate, profile = 0, level = 0; > + u64 framerate; > int ret; > > ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2); > @@ -659,9 +661,14 @@ static int venc_set_properties(struct venus_inst *inst) > if (ret) > return ret; > > + framerate = inst->timeperframe.denominator * FRAMERATE_FACTOR; > + /* next line is to round up */ > + framerate += inst->timeperframe.numerator - 1; > + do_div(framerate, inst->timeperframe.numerator); > + > ptype = HFI_PROPERTY_CONFIG_FRAME_RATE; > frate.buffer_type = HFI_BUFFER_OUTPUT; > - frate.framerate = inst->fps * (1 << 16); > + frate.framerate = framerate; > > ret = hfi_session_set_property(inst, ptype, &frate); > if (ret) Thanks, Mauro
