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authorRobert Nagy <ronag89@gmail.com>2012-05-12 19:40:41 +0200
committerAnton Khirnov <anton@khirnov.net>2012-05-14 21:36:10 +0200
commit7dd56d411e1e5afbf0c0d42b40256a59e1d2f217 (patch)
tree2484b252d3b7313d0d76e2a6a462e28435765e37 /libavfilter/vf_yadif.c
parent7c6d2406655ae44dd97e95253a2f2d5b27a1c449 (diff)
yadif: Improve pts accuracy.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavfilter/vf_yadif.c')
-rw-r--r--libavfilter/vf_yadif.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
index 790dda5a0b..fac0e5b5f3 100644
--- a/libavfilter/vf_yadif.c
+++ b/libavfilter/vf_yadif.c
@@ -218,11 +218,11 @@ static void return_frame(AVFilterContext *ctx, int is_second)
filter(ctx, yadif->out, tff ^ !is_second, tff);
if (is_second) {
- if (yadif->next->pts != AV_NOPTS_VALUE &&
- yadif->cur->pts != AV_NOPTS_VALUE) {
- yadif->out->pts =
- (yadif->next->pts&yadif->cur->pts) +
- ((yadif->next->pts^yadif->cur->pts)>>1);
+ int64_t cur_pts = yadif->cur->pts;
+ int64_t next_pts = yadif->next->pts;
+
+ if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) {
+ yadif->out->pts = cur_pts + next_pts;
} else {
yadif->out->pts = AV_NOPTS_VALUE;
}
@@ -255,6 +255,8 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
yadif->out = avfilter_ref_buffer(yadif->cur, AV_PERM_READ);
avfilter_unref_buffer(yadif->prev);
yadif->prev = NULL;
+ if (yadif->out->pts != AV_NOPTS_VALUE)
+ yadif->out->pts *= 2;
avfilter_start_frame(ctx->outputs[0], yadif->out);
return;
}
@@ -267,6 +269,8 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
avfilter_copy_buffer_ref_props(yadif->out, yadif->cur);
yadif->out->video->interlaced = 0;
+ if (yadif->out->pts != AV_NOPTS_VALUE)
+ yadif->out->pts *= 2;
avfilter_start_frame(ctx->outputs[0], yadif->out);
}
@@ -400,6 +404,16 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
+static int config_props(AVFilterLink *link)
+{
+ link->time_base.num = link->src->inputs[0]->time_base.num;
+ link->time_base.den = link->src->inputs[0]->time_base.den * 2;
+ link->w = link->src->inputs[0]->w;
+ link->h = link->src->inputs[0]->h;
+
+ return 0;
+}
+
AVFilter avfilter_vf_yadif = {
.name = "yadif",
.description = NULL_IF_CONFIG_SMALL("Deinterlace the input image"),
@@ -420,6 +434,7 @@ AVFilter avfilter_vf_yadif = {
.outputs = (AVFilterPad[]) {{ .name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.poll_frame = poll_frame,
- .request_frame = request_frame, },
+ .request_frame = request_frame,
+ .config_props = config_props, },
{ .name = NULL}},
};