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https://github.com/mpv-player/mpv
synced 2024-10-02 16:25:33 +02:00
vf_softpulldown: remove this filter
Apparently it was completely broken and essentially did nothing. This was broken sometime in early mpv or mplayer2 times. Get rid of it. If you _really_ need it, wait until FFmpeg ports it from MPlayer, which will happen very soon.
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69e5dd9bce
commit
c92f4a1126
@ -268,7 +268,6 @@ SOURCES = audio/audio.c \
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video/filter/vf_rotate.c \
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video/filter/vf_scale.c \
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video/filter/vf_screenshot.c \
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video/filter/vf_softpulldown.c \
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video/filter/vf_stereo3d.c \
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video/filter/vf_sub.c \
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video/filter/vf_swapuv.c \
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@ -57,7 +57,6 @@ extern const vf_info_t vf_info_swapuv;
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extern const vf_info_t vf_info_hqdn3d;
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extern const vf_info_t vf_info_ilpack;
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extern const vf_info_t vf_info_dsize;
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extern const vf_info_t vf_info_softpulldown;
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extern const vf_info_t vf_info_pullup;
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extern const vf_info_t vf_info_delogo;
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extern const vf_info_t vf_info_phase;
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@ -99,7 +98,6 @@ static const vf_info_t *const filter_list[] = {
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&vf_info_hqdn3d,
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&vf_info_ilpack,
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&vf_info_dsize,
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&vf_info_softpulldown,
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&vf_info_pullup,
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&vf_info_delogo,
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&vf_info_phase,
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@ -831,18 +829,3 @@ double vf_detc_adjust_pts(struct vf_detc_pts_buf *p, double pts,
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return vf_detc_adjust_pts_internal(p, pts, reset_pattern, skip_frame,
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0, 0.5, 1.25, 0.25);
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}
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double vf_softpulldown_adjust_pts(struct vf_detc_pts_buf *p, double pts,
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bool reset_pattern, bool skip_frame,
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int last_frame_duration)
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{
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// for the softpulldown filter we get:
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// 0/60 -> 0/30
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// 2/60 -> 1/30
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// 5/60 -> 2/30
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// 7/60 -> 3/30, 4/30
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return vf_detc_adjust_pts_internal(p, pts, reset_pattern, skip_frame,
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0, 1.0 / last_frame_duration,
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2.0 / last_frame_duration,
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1.0 / last_frame_duration);
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}
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@ -202,8 +202,5 @@ void vf_detc_init_pts_buf(struct vf_detc_pts_buf *p);
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*/
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double vf_detc_adjust_pts(struct vf_detc_pts_buf *p, double pts,
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bool reset_pattern, bool skip_frame);
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double vf_softpulldown_adjust_pts(struct vf_detc_pts_buf *p, double pts,
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bool reset_pattern, bool skip_frame,
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int last_frame_duration);
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#endif /* MPLAYER_VF_H */
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@ -1,174 +0,0 @@
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/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "config.h"
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#include "common/msg.h"
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#include "video/img_format.h"
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#include "video/mp_image.h"
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#include "vf.h"
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#include "video/memcpy_pic.h"
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struct vf_priv_s {
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int state;
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long long in;
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long long out;
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struct vf_detc_pts_buf ptsbuf;
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int last_frame_duration;
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struct mp_image *buffer;
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};
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static void copy_pic_field(struct mp_image *dmpi, struct mp_image *mpi, int f)
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{
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for (int p = 0; p < dmpi->num_planes; p++) {
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my_memcpy_pic(dmpi->planes[p] + dmpi->stride[p] * f,
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mpi->planes[p] + mpi->stride[p] * f,
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mpi->plane_w[p], mpi->plane_h[p] / 2,
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dmpi->stride[p] * 2, mpi->stride[p] * 2);
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}
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}
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static int filter(struct vf_instance *vf, struct mp_image *mpi)
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{
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if (!mpi)
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return 0;
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int flags = mpi->fields;
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int state = vf->priv->state;
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struct vf_priv_s *p = vf->priv;
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if (!p->buffer || p->buffer->w != mpi->w || p->buffer->h != mpi->h ||
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p->buffer->imgfmt != mpi->imgfmt)
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{
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mp_image_unrefp(&p->buffer);
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p->buffer = mp_image_alloc(mpi->imgfmt, mpi->w, mpi->h);
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talloc_steal(vf, p->buffer);
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if (!p->buffer)
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goto failed; // OOM
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}
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mp_image_copy_attributes(p->buffer, mpi);
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struct mp_image *dmpi = p->buffer;
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vf->priv->in++;
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if ((state == 0 &&
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!(flags & MP_IMGFIELD_TOP_FIRST)) ||
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(state == 1 &&
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flags & MP_IMGFIELD_TOP_FIRST)) {
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MP_WARN(vf, "softpulldown: Unexpected field flags: state=%d top_field_first=%d repeat_first_field=%d\n",
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state,
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(flags & MP_IMGFIELD_TOP_FIRST) != 0,
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(flags & MP_IMGFIELD_REPEAT_FIRST) != 0);
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state ^= 1;
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}
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if (state == 0) {
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struct mp_image *new = mp_image_new_ref(mpi);
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if (!new)
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goto failed;
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new->pts = vf_softpulldown_adjust_pts(&vf->priv->ptsbuf, mpi->pts, 0, 0, vf->priv->last_frame_duration);
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vf_add_output_frame(vf, new);
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vf->priv->out++;
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if (flags & MP_IMGFIELD_REPEAT_FIRST) {
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copy_pic_field(dmpi, mpi, 0);
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state=1;
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}
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} else {
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copy_pic_field(dmpi, mpi, 1);
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struct mp_image *new = mp_image_new_ref(mpi);
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if (!new)
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goto failed;
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new->pts = vf_softpulldown_adjust_pts(&vf->priv->ptsbuf, mpi->pts, 0, 0, vf->priv->last_frame_duration);
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vf_add_output_frame(vf, new);
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vf->priv->out++;
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if (flags & MP_IMGFIELD_REPEAT_FIRST) {
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struct mp_image *new2 = mp_image_new_ref(mpi);
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if (new2) {
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new2->pts = vf_softpulldown_adjust_pts(&vf->priv->ptsbuf, mpi->pts, 0, 0, 3);
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vf_add_output_frame(vf, new2);
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}
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vf->priv->out++;
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vf->priv->state=0;
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} else {
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copy_pic_field(dmpi, mpi, 0);
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}
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}
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vf->priv->state = state;
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if (flags & MP_IMGFIELD_REPEAT_FIRST)
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vf->priv->last_frame_duration = 3;
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else
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vf->priv->last_frame_duration = 2;
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talloc_free(mpi);
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return 0;
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failed:
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talloc_free(mpi);
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return -1;
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}
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static int control(vf_instance_t *vf, int request, void *data)
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{
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switch (request) {
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case VFCTRL_SEEK_RESET:
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vf_detc_init_pts_buf(&vf->priv->ptsbuf);
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return CONTROL_OK;
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}
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return CONTROL_UNKNOWN;
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}
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static void uninit(struct vf_instance *vf)
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{
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MP_INFO(vf, "softpulldown: %lld frames in, %lld frames out\n", vf->priv->in, vf->priv->out);
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free(vf->priv);
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}
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static int query_format(struct vf_instance *vf, unsigned int fmt)
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{
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struct mp_imgfmt_desc desc = mp_imgfmt_get_desc(fmt);
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if (!(desc.flags & MP_IMGFLAG_YUV_P))
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return 0;
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if (desc.plane_bits != 8)
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return 0;
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return vf_next_query_format(vf, fmt);
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}
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static int vf_open(vf_instance_t *vf)
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{
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vf->filter_ext = filter;
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vf->control = control;
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vf->uninit = uninit;
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vf->query_format = query_format;
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vf->priv = calloc(1, sizeof(struct vf_priv_s));
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vf->priv->last_frame_duration = 2;
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vf_detc_init_pts_buf(&vf->priv->ptsbuf);
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return 1;
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}
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const vf_info_t vf_info_softpulldown = {
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.description = "mpeg2 soft 3:2 pulldown",
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.name = "softpulldown",
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.open = vf_open,
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};
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@ -317,7 +317,6 @@ def build(ctx):
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( "video/filter/vf_rotate.c" ),
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( "video/filter/vf_scale.c" ),
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( "video/filter/vf_screenshot.c" ),
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( "video/filter/vf_softpulldown.c" ),
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( "video/filter/vf_stereo3d.c" ),
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( "video/filter/vf_sub.c" ),
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( "video/filter/vf_swapuv.c" ),
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