On Ma, 2023-01-30 at 09:37 +0800, Xiang, Haihao wrote:
> From: Haihao Xiang <haihao.xi...@intel.com>
>
> This is used to control the output at frame rate or field rate when
> deinterlace is expected and framerate is not specified.
>
> Signed-off-by: Haihao Xiang <haihao.xi...@intel.com>
> ---
> libavfilter/vf_vpp_qsv.c | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
> index 34e530e244..aac0a234c3 100644
> --- a/libavfilter/vf_vpp_qsv.c
> +++ b/libavfilter/vf_vpp_qsv.c
> @@ -101,6 +101,7 @@ typedef struct VPPContext{
> char *output_format_str;
>
> int has_passthrough; /* apply pass through mode if possible */
> + int field_rate; /* Generate output at frame rate or field
> rate for deinterlace mode, 0: frame, 1: field */
> } VPPContext;
>
> static const char *const var_names[] = {
> @@ -255,9 +256,14 @@ static int config_input(AVFilterLink *inlink)
> int ret;
> int64_t ow, oh;
>
> - if (vpp->framerate.den == 0 || vpp->framerate.num == 0)
> + if (vpp->framerate.den == 0 || vpp->framerate.num == 0) {
> vpp->framerate = inlink->frame_rate;
>
> + if (vpp->deinterlace && vpp->field_rate)
> + vpp->framerate = av_mul_q(inlink->frame_rate,
> + (AVRational){ 2, 1 });
> + }
> +
> if (av_cmp_q(vpp->framerate, inlink->frame_rate))
> vpp->use_frc = 1;
>
> @@ -352,7 +358,7 @@ static int config_output(AVFilterLink *outlink)
> outlink->w = vpp->out_width;
> outlink->h = vpp->out_height;
> outlink->frame_rate = vpp->framerate;
> - outlink->time_base = inlink->time_base;
> + outlink->time_base = av_inv_q(vpp->framerate);
>
> param.filter_frame = NULL;
> param.num_ext_buf = 0;
> @@ -678,6 +684,13 @@ static const AVOption vpp_options[] = {
> { "low_power", "low power mode", 0, AV_OPT_TYPE_CONST, { .i64
> = MFX_SCALING_MODE_LOWPOWER}, INT_MIN, INT_MAX, FLAGS, "scale mode"},
> { "hq", "high quality mode", 0, AV_OPT_TYPE_CONST, { .i64
> = MFX_SCALING_MODE_QUALITY}, INT_MIN, INT_MAX, FLAGS, "scale mode"},
>
> + { "rate", "Generate output at frame rate or field rate, available only
> for deinterlace mode",
> + OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS, "rate"
> },
> + { "frame", "Output at frame rate (one frame of output for each field-
> pair)",
> + 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, 0, 0, FLAGS, "rate" },
> + { "field", "Output at field rate (one frame of output for each field)",
> + 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "rate" },
> +
> { NULL }
> };
Will apply this patchset.
- Haihao
>
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