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avfilter/vf_interlace_vulkan: fix FPS and PTS calculation

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ol->frame_rate is 0/0, so we need to calcalute the correct value based on
the il->frame_rate instead. Also adjust the time base, PTS and frame_duration
values accordingly. (Logic taken from vf_tinterlace.c)
This commit is contained in:
Niklas Haas
2025-05-21 16:04:48 +02:00
parent f1b3e51950
commit 4099d53759
1 changed files with 9 additions and 1 deletions
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10
libavfilter/vf_interlace_vulkan.c
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@@ -189,7 +189,9 @@ static int interlace_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
AVFrame *out = NULL, *input_top, *input_bot;
AVFilterContext *ctx = link->dst;
InterlaceVulkanContext *s = ctx->priv;
const AVFilterLink *inlink = ctx->inputs[0];
AVFilterLink *outlink = ctx->outputs[0];
FilterLink *l = ff_filter_link(outlink);
if (!s->initialized)
RET(init_filter(ctx));
@@ -226,6 +228,9 @@ static int interlace_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
if (s->mode == MODE_TFF)
out->flags |= AV_FRAME_FLAG_TOP_FIELD_FIRST;
out->pts = av_rescale_q(out->pts, inlink->time_base, outlink->time_base);
out->duration = av_rescale_q(1, av_inv_q(l->frame_rate), outlink->time_base);
av_frame_free(&s->cur);
av_frame_free(&in);
@@ -260,9 +265,12 @@ static void interlace_vulkan_uninit(AVFilterContext *avctx)
static int config_out_props(AVFilterLink *outlink)
{
AVFilterLink *inlink = outlink->src->inputs[0];
const FilterLink *il = ff_filter_link(inlink);
FilterLink *ol = ff_filter_link(outlink);
ol->frame_rate = av_mul_q(ol->frame_rate, av_make_q(1, 2));
ol->frame_rate = av_mul_q(il->frame_rate, av_make_q(1, 2));
outlink->time_base = av_mul_q(inlink->time_base, av_make_q(2, 1));
return ff_vk_filter_config_output(outlink);
}