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lavfi/vpp_qsv: add rate option 

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.xiang@intel.com>
This commit is contained in:
Haihao Xiang 2023-01-30 09:37:17 +08:00
parent 7d49fef8b4
commit 077e634965
1 changed files with 15 additions and 2 deletions
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17
libavfilter/vf_vpp_qsv.c
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@ -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 }
};