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Code Issues Releases Activity

avfilter/vf_w3fdif: do not reset pts to 0

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Shamelessly stolen from yadif.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-10-10 11:43:03 +00:00
parent cdc9657a0c
commit d1d875d301
1 changed files with 20 additions and 8 deletions
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28
libavfilter/vf_w3fdif.c
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@ -39,7 +39,6 @@ typedef struct W3FDIFContext {
int field; ///< which field are we on, 0 or 1
int eof;
int nb_planes;
double ts_unit;
AVFrame *prev, *cur, *next; ///< previous, current, next frames
int32_t *work_line; ///< line we are calculating
} W3FDIFContext;
@ -103,14 +102,12 @@ static int config_input(AVFilterLink *inlink)
static int config_output(AVFilterLink *outlink)
{
AVFilterLink *inlink = outlink->src->inputs[0];
W3FDIFContext *s = outlink->src->priv;
outlink->time_base.num = inlink->time_base.num;
outlink->time_base.den = inlink->time_base.den * 2;
outlink->frame_rate.num = inlink->frame_rate.num * 2;
outlink->frame_rate.den = inlink->frame_rate.den;
outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP;
s->ts_unit = av_q2d(av_inv_q(av_mul_q(outlink->frame_rate, outlink->time_base)));
return 0;
}
@ -252,7 +249,7 @@ static void deinterlace_plane(AVFilterContext *ctx, AVFrame *out,
}
}
static int filter(AVFilterContext *ctx)
static int filter(AVFilterContext *ctx, int is_second)
{
W3FDIFContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
@ -264,7 +261,20 @@ static int filter(AVFilterContext *ctx)
return AVERROR(ENOMEM);
av_frame_copy_props(out, s->cur);
out->interlaced_frame = 0;
out->pts = outlink->frame_count * s->ts_unit;
if (!is_second) {
if (out->pts != AV_NOPTS_VALUE)
out->pts *= 2;
} else {
int64_t cur_pts = s->cur->pts;
int64_t next_pts = s->next->pts;
if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) {
out->pts = cur_pts + next_pts;
} else {
out->pts = AV_NOPTS_VALUE;
}
}
adj = s->field ? s->next : s->prev;
for (plane = 0; plane < s->nb_planes; plane++)
@ -298,18 +308,19 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
return AVERROR(ENOMEM);
av_frame_free(&s->prev);
out->pts = ctx->outputs[0]->frame_count * s->ts_unit;
if (out->pts != AV_NOPTS_VALUE)
out->pts *= 2;
return ff_filter_frame(ctx->outputs[0], out);
}
if (!s->prev)
return 0;
ret = filter(ctx);
ret = filter(ctx, 0);
if (ret < 0)
return ret;
return filter(ctx);
return filter(ctx, 1);
}
static int request_frame(AVFilterLink *outlink)
@ -329,6 +340,7 @@ static int request_frame(AVFilterLink *outlink)
AVFrame *next = av_frame_clone(s->next);
if (!next)
return AVERROR(ENOMEM);
next->pts = s->next->pts * 2 - s->cur->pts;
filter_frame(ctx->inputs[0], next);
s->eof = 1;
} else if (ret < 0) {