Hi Malathi, On Tue, Oct 9, 2018 at 4:58 PM Malathi Gottam <[email protected]> wrote: > > For lower resolutions, incase of encoder, the compressed > frame size is more than half of the corresponding input > YUV. Keep the size as same as YUV considering worst case. > > Signed-off-by: Malathi Gottam <[email protected]> > --- > drivers/media/platform/qcom/venus/helpers.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/venus/helpers.c > b/drivers/media/platform/qcom/venus/helpers.c > index 2679adb..05c5423 100644 > --- a/drivers/media/platform/qcom/venus/helpers.c > +++ b/drivers/media/platform/qcom/venus/helpers.c > @@ -649,7 +649,7 @@ u32 venus_helper_get_framesz(u32 v4l2_fmt, u32 width, u32 > height) > } > > if (compressed) { > - sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2 / 2; > + sz = ALIGN(height, 32) * ALIGN(width, 32) * 3 / 2; > return ALIGN(sz, SZ_4K); > }
Note that the driver should not enforce one particular buffer size for bitstream buffers unless it's a workaround for broken firmware or hardware. The userspace should be able to select the desired size. Best regards, Tomasz
