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avfilter/vf_stereo3d: get rid of ts_unit hack

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-12-16 12:36:21 +01:00
parent 6e891d51f4
commit 10b16aee1b
1 changed files with 43 additions and 11 deletions
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54
libavfilter/vf_stereo3d.c
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@ -148,7 +148,6 @@ typedef struct Stereo3DContext {
int hsub, vsub;
int pixstep[4];
AVFrame *prev;
double ts_unit;
int blanks;
int in_off_left[4], in_off_right[4];
Stereo3DDSPContext dsp;
@ -544,7 +543,6 @@ static int config_output(AVFilterLink *outlink)
return ret;
s->nb_planes = av_pix_fmt_count_planes(outlink->format);
av_image_fill_max_pixsteps(s->pixstep, NULL, desc);
s->ts_unit = av_q2d(av_inv_q(av_mul_q(outlink->frame_rate, outlink->time_base)));
s->pheight[1] = s->pheight[2] = FF_CEIL_RSHIFT(s->height, desc->log2_chroma_h);
s->pheight[0] = s->pheight[3] = s->height;
s->hsub = desc->log2_chroma_w;
@ -593,11 +591,21 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out, *oleft, *oright, *ileft, *iright;
int out_off_left[4], out_off_right[4];
int i;
int i, ret;
if (s->in.format == s->out.format)
return ff_filter_frame(outlink, inpicref);
switch (s->out.format) {
case ALTERNATING_LR:
case ALTERNATING_RL:
if (!s->prev) {
s->prev = inpicref;
return 0;
}
break;
};
switch (s->in.format) {
case ALTERNATING_LR:
case ALTERNATING_RL:
@ -624,8 +632,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
s->in.format == ABOVE_BELOW_RL ||
s->in.format == ABOVE_BELOW_2_LR ||
s->in.format == ABOVE_BELOW_2_RL)) {
oright = av_frame_clone(inpicref);
oleft = av_frame_clone(inpicref);
oright = av_frame_clone(s->prev);
oleft = av_frame_clone(s->prev);
if (!oright || !oleft) {
av_frame_free(&oright);
av_frame_free(&oleft);
@ -649,6 +657,25 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
av_frame_free(&inpicref);
return AVERROR(ENOMEM);
}
} else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_LR) ||
(s->out.format == MONO_R && s->in.format == ALTERNATING_RL)) {
s->prev->pts /= 2;
ret = ff_filter_frame(outlink, s->prev);
av_frame_free(&inpicref);
s->prev = NULL;
return ret;
} else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_RL) ||
(s->out.format == MONO_R && s->in.format == ALTERNATING_LR)) {
av_frame_free(&s->prev);
inpicref->pts /= 2;
return ff_filter_frame(outlink, inpicref);
} else if ((s->out.format == ALTERNATING_LR && s->in.format == ALTERNATING_RL) ||
(s->out.format == ALTERNATING_RL && s->in.format == ALTERNATING_LR)) {
FFSWAP(int64_t, s->prev->pts, inpicref->pts);
ff_filter_frame(outlink, inpicref);
ret = ff_filter_frame(outlink, s->prev);
s->prev = NULL;
return ret;
} else {
out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
@ -667,7 +694,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
av_frame_free(&inpicref);
return AVERROR(ENOMEM);
}
av_frame_copy_props(oright, inpicref);
av_frame_copy_props(oright, s->prev);
}
}
@ -902,18 +929,23 @@ copy:
av_assert0(0);
}
av_frame_free(&inpicref);
av_frame_free(&s->prev);
if (oright != oleft) {
if (s->out.format == ALTERNATING_LR)
FFSWAP(AVFrame *, oleft, oright);
oright->pts = outlink->frame_count * s->ts_unit;
oright->pts = s->prev->pts * 2;
ff_filter_frame(outlink, oright);
out = oleft;
oleft->pts = outlink->frame_count * s->ts_unit;
oleft->pts = s->prev->pts + inpicref->pts;
av_frame_free(&s->prev);
s->prev = inpicref;
} else if (s->in.format == ALTERNATING_LR ||
s->in.format == ALTERNATING_RL) {
out->pts = outlink->frame_count * s->ts_unit;
out->pts = s->prev->pts / 2;
av_frame_free(&s->prev);
av_frame_free(&inpicref);
} else {
av_frame_free(&s->prev);
av_frame_free(&inpicref);
}
return ff_filter_frame(outlink, out);
}