mirror of https://github.com/mpv-player/mpv
608 lines
19 KiB
C
608 lines
19 KiB
C
/*
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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 <assert.h>
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#include <sys/types.h>
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#include <libavutil/common.h>
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#include <libavutil/mem.h>
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#include "config.h"
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#include "core/mp_msg.h"
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#include "core/m_option.h"
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#include "core/m_struct.h"
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#include "core/options.h"
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#include "video/img_format.h"
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#include "video/mp_image.h"
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#include "video/mp_image_pool.h"
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#include "vf.h"
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#include "video/memcpy_pic.h"
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extern const vf_info_t vf_info_vo;
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extern const vf_info_t vf_info_crop;
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extern const vf_info_t vf_info_expand;
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extern const vf_info_t vf_info_pp;
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extern const vf_info_t vf_info_scale;
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extern const vf_info_t vf_info_format;
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extern const vf_info_t vf_info_noformat;
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extern const vf_info_t vf_info_flip;
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extern const vf_info_t vf_info_rotate;
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extern const vf_info_t vf_info_mirror;
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extern const vf_info_t vf_info_noise;
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extern const vf_info_t vf_info_eq;
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extern const vf_info_t vf_info_gradfun;
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extern const vf_info_t vf_info_unsharp;
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extern const vf_info_t vf_info_swapuv;
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extern const vf_info_t vf_info_down3dright;
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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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extern const vf_info_t vf_info_divtc;
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extern const vf_info_t vf_info_softskip;
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extern const vf_info_t vf_info_screenshot;
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extern const vf_info_t vf_info_sub;
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extern const vf_info_t vf_info_yadif;
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extern const vf_info_t vf_info_stereo3d;
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extern const vf_info_t vf_info_dlopen;
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// list of available filters:
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static const vf_info_t *const filter_list[] = {
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&vf_info_crop,
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&vf_info_expand,
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&vf_info_scale,
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&vf_info_vo,
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&vf_info_format,
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&vf_info_noformat,
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&vf_info_flip,
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&vf_info_rotate,
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&vf_info_mirror,
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#ifdef CONFIG_LIBPOSTPROC
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&vf_info_pp,
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#endif
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&vf_info_screenshot,
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&vf_info_noise,
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&vf_info_eq,
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&vf_info_gradfun,
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&vf_info_unsharp,
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&vf_info_swapuv,
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&vf_info_down3dright,
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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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&vf_info_divtc,
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&vf_info_sub,
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&vf_info_yadif,
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&vf_info_stereo3d,
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&vf_info_dlopen,
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NULL
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};
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// For the vf option
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const m_obj_list_t vf_obj_list = {
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(void **)filter_list,
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M_ST_OFF(vf_info_t, name),
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M_ST_OFF(vf_info_t, info),
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M_ST_OFF(vf_info_t, opts)
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};
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// Get a new image for filter output, with size and pixel format according to
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// the last vf_config call.
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struct mp_image *vf_alloc_out_image(struct vf_instance *vf)
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{
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assert(vf->fmt_out.configured);
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return mp_image_pool_get(vf->out_pool, vf->fmt_out.fmt,
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vf->fmt_out.w, vf->fmt_out.h);
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}
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void vf_make_out_image_writeable(struct vf_instance *vf, struct mp_image *img)
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{
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assert(vf->fmt_out.configured);
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assert(vf->fmt_out.fmt == img->imgfmt);
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assert(vf->fmt_out.w == img->w && vf->fmt_out.h == img->h);
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mp_image_pool_make_writeable(vf->out_pool, img);
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}
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//============================================================================
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static int vf_default_query_format(struct vf_instance *vf, unsigned int fmt)
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{
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return vf_next_query_format(vf, fmt);
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}
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static struct mp_image *vf_default_filter(struct vf_instance *vf,
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struct mp_image *mpi)
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{
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assert(!vf->filter_ext);
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return mpi;
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}
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static void print_fmt(int msglevel, struct vf_format *fmt)
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{
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if (fmt && fmt->configured) {
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mp_msg(MSGT_VFILTER, msglevel, "%dx%d", fmt->w, fmt->h);
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if (fmt->w != fmt->dw || fmt->h != fmt->dh)
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mp_msg(MSGT_VFILTER, msglevel, "->%dx%d", fmt->dw, fmt->dh);
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mp_msg(MSGT_VFILTER, msglevel, " %s %#x", mp_imgfmt_to_name(fmt->fmt),
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fmt->flags);
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} else {
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mp_msg(MSGT_VFILTER, msglevel, "???");
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}
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}
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void vf_print_filter_chain(int msglevel, struct vf_instance *vf)
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{
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if (!mp_msg_test(MSGT_VFILTER, msglevel))
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return;
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for (vf_instance_t *f = vf; f; f = f->next) {
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mp_msg(MSGT_VFILTER, msglevel, " [%s] ", f->info->name);
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print_fmt(msglevel, &f->fmt_in);
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if (f->next) {
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mp_msg(MSGT_VFILTER, msglevel, " -> ");
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print_fmt(msglevel, &f->fmt_out);
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}
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mp_msg(MSGT_VFILTER, msglevel, "\n");
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}
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}
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struct vf_instance *vf_open_plugin_noerr(struct MPOpts *opts,
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const vf_info_t *const *filter_list,
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vf_instance_t *next, const char *name,
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char **args, int *retcode)
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{
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vf_instance_t *vf;
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int i;
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for (i = 0;; i++) {
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if (!filter_list[i]) {
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mp_tmsg(MSGT_VFILTER, MSGL_ERR,
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"Couldn't find video filter '%s'.\n", name);
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return NULL; // no such filter!
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}
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if (!strcmp(filter_list[i]->name, name))
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break;
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}
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vf = talloc_zero(NULL, struct vf_instance);
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vf->opts = opts;
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vf->info = filter_list[i];
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vf->next = next;
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vf->config = vf_next_config;
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vf->control = vf_next_control;
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vf->query_format = vf_default_query_format;
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vf->filter = vf_default_filter;
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vf->out_pool = talloc_steal(vf, mp_image_pool_new(16));
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if (vf->info->opts) { // vf_vo get some special argument
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const m_struct_t *st = vf->info->opts;
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void *vf_priv = m_struct_alloc(st);
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int n;
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for (n = 0; args && args[2 * n]; n++)
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m_struct_set(st, vf_priv, args[2 * n], bstr0(args[2 * n + 1]));
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vf->priv = vf_priv;
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args = NULL;
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} else // Otherwise we should have the '_oldargs_'
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if (args && !strcmp(args[0], "_oldargs_"))
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args = (char **)args[1];
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else
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args = NULL;
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*retcode = vf->info->vf_open(vf, (char *)args);
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if (*retcode > 0)
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return vf;
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talloc_free(vf);
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return NULL;
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}
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struct vf_instance *vf_open_plugin(struct MPOpts *opts,
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const vf_info_t *const *filter_list,
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vf_instance_t *next, const char *name,
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char **args)
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{
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struct vf_instance *vf = vf_open_plugin_noerr(opts, filter_list, next,
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name, args, &(int){0});
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if (!vf)
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mp_tmsg(MSGT_VFILTER, MSGL_ERR, "Couldn't open video filter '%s'.\n",
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name);
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return vf;
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}
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vf_instance_t *vf_open_filter(struct MPOpts *opts, vf_instance_t *next,
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const char *name, char **args)
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{
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if (args && strcmp(args[0], "_oldargs_")) {
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int i, l = 0;
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for (i = 0; args && args[2 * i]; i++)
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l += 1 + strlen(args[2 * i]) + 1 + strlen(args[2 * i + 1]);
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l += strlen(name);
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{
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char str[l + 1];
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char *p = str;
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p += sprintf(str, "%s", name);
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for (i = 0; args && args[2 * i]; i++)
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p += sprintf(p, " %s=%s", args[2 * i], args[2 * i + 1]);
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mp_msg(MSGT_VFILTER, MSGL_INFO, "%s[%s]\n",
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mp_gtext("Opening video filter: "), str);
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}
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} else if (strcmp(name, "vo")) {
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if (args && strcmp(args[0], "_oldargs_") == 0)
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mp_msg(MSGT_VFILTER, MSGL_INFO, "%s[%s=%s]\n",
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mp_gtext("Opening video filter: "), name, args[1]);
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else
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mp_msg(MSGT_VFILTER, MSGL_INFO, "%s[%s]\n",
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mp_gtext("Opening video filter: "), name);
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}
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return vf_open_plugin(opts, filter_list, next, name, args);
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}
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/**
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* \brief adds a filter before the last one (which should be the vo filter).
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* \param vf start of the filter chain.
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* \param name name of the filter to add.
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* \param args argument list for the filter.
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* \return pointer to the filter instance that was created.
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*/
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vf_instance_t *vf_add_before_vo(vf_instance_t **vf, char *name, char **args)
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{
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struct MPOpts *opts = (*vf)->opts;
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vf_instance_t *vo, *prev = NULL, *new;
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// Find the last filter (should be vf_vo)
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for (vo = *vf; vo->next; vo = vo->next)
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prev = vo;
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new = vf_open_filter(opts, vo, name, args);
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if (prev)
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prev->next = new;
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else
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*vf = new;
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return new;
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}
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//============================================================================
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unsigned int vf_match_csp(vf_instance_t **vfp, const unsigned int *list,
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unsigned int preferred)
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{
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vf_instance_t *vf = *vfp;
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struct MPOpts *opts = vf->opts;
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const unsigned int *p;
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unsigned int best = 0;
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int ret;
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if ((p = list))
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while (*p) {
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ret = vf->query_format(vf, *p);
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mp_msg(MSGT_VFILTER, MSGL_V, "[%s] query(%s) -> %x\n",
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vf->info->name, vo_format_name(*p), ret);
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if (ret & VFCAP_CSP_SUPPORTED_BY_HW) {
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best = *p;
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break;
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}
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if (ret & VFCAP_CSP_SUPPORTED && !best)
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best = *p;
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++p;
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}
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if (best)
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return best; // bingo, they have common csp!
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// ok, then try with scale:
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if (vf->info == &vf_info_scale)
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return 0; // avoid infinite recursion!
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vf = vf_open_filter(opts, vf, "scale", NULL);
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if (!vf)
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return 0; // failed to init "scale"
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// try the preferred csp first:
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if (preferred && vf->query_format(vf, preferred))
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best = preferred;
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else
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// try the list again, now with "scaler" :
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if ((p = list))
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while (*p) {
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ret = vf->query_format(vf, *p);
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mp_msg(MSGT_VFILTER, MSGL_V, "[%s] query(%s) -> %x\n",
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vf->info->name, vo_format_name(*p), ret);
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if (ret & VFCAP_CSP_SUPPORTED_BY_HW) {
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best = *p;
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break;
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}
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if (ret & VFCAP_CSP_SUPPORTED && !best)
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best = *p;
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++p;
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}
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if (best)
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*vfp = vf; // else uninit vf !FIXME!
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return best;
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}
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// Used by filters to add a filtered frame to the output queue.
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// Ownership of img is transferred from caller to the filter chain.
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void vf_add_output_frame(struct vf_instance *vf, struct mp_image *img)
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{
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if (img)
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MP_TARRAY_APPEND(vf, vf->out_queued, vf->num_out_queued, img);
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}
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static struct mp_image *vf_dequeue_output_frame(struct vf_instance *vf)
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{
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struct mp_image *res = NULL;
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if (vf->num_out_queued) {
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res = vf->out_queued[0];
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MP_TARRAY_REMOVE_AT(vf->out_queued, vf->num_out_queued, 0);
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}
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return res;
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}
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// Input a frame into the filter chain.
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// Return >= 0 on success, < 0 on failure (even if output frames were produced)
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int vf_filter_frame(struct vf_instance *vf, struct mp_image *img)
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{
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assert(vf->fmt_in.configured);
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assert(img->w == vf->fmt_in.w && img->h == vf->fmt_in.h);
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assert(img->imgfmt == vf->fmt_in.fmt);
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if (vf->filter_ext) {
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return vf->filter_ext(vf, img);
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} else {
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vf_add_output_frame(vf, vf->filter(vf, img));
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return 0;
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}
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}
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// Output the next queued image (if any) from the full filter chain.
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struct mp_image *vf_chain_output_queued_frame(struct vf_instance *vf)
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{
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while (1) {
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struct vf_instance *last = NULL;
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for (struct vf_instance * cur = vf; cur; cur = cur->next) {
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if (cur->num_out_queued)
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last = cur;
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}
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if (!last)
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return NULL;
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struct mp_image *img = vf_dequeue_output_frame(last);
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if (!last->next)
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return img;
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vf_filter_frame(last->next, img);
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}
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}
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static void vf_forget_frames(struct vf_instance *vf)
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{
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for (int n = 0; n < vf->num_out_queued; n++)
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talloc_free(vf->out_queued[n]);
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vf->num_out_queued = 0;
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}
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void vf_chain_seek_reset(struct vf_instance *vf)
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{
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vf->control(vf, VFCTRL_SEEK_RESET, NULL);
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for (struct vf_instance *cur = vf; cur; cur = cur->next)
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vf_forget_frames(cur);
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}
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int vf_config_wrapper(struct vf_instance *vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt)
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{
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vf_forget_frames(vf);
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mp_image_pool_clear(vf->out_pool);
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vf->fmt_in = vf->fmt_out = (struct vf_format){0};
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int r = vf->config(vf, width, height, d_width, d_height, flags, outfmt);
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if (r) {
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vf->fmt_in = (struct vf_format) {
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.configured = 1,
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.w = width, .h = height,
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.dw = d_width, .dh = d_height,
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.flags = flags,
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.fmt = outfmt,
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};
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vf->fmt_out = vf->next ? vf->next->fmt_in : (struct vf_format){0};
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}
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return r;
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}
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int vf_next_config(struct vf_instance *vf,
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int width, int height, int d_width, int d_height,
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unsigned int voflags, unsigned int outfmt)
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{
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struct MPOpts *opts = vf->opts;
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int flags = vf->next->query_format(vf->next, outfmt);
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if (!flags) {
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// hmm. colorspace mismatch!!!
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// let's insert the 'scale' filter, it does the job for us:
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vf_instance_t *vf2;
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if (vf->next->info == &vf_info_scale)
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return 0; // scale->scale
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vf2 = vf_open_filter(opts, vf->next, "scale", NULL);
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if (!vf2)
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return 0; // shouldn't happen!
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vf->next = vf2;
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flags = vf->next->query_format(vf->next, outfmt);
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if (!flags) {
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mp_tmsg(MSGT_VFILTER, MSGL_ERR, "Cannot find matching colorspace, "
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"even by inserting 'scale' :(\n");
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return 0; // FAIL
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}
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}
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return vf_config_wrapper(vf->next, width, height, d_width, d_height,
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voflags, outfmt);
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}
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int vf_next_control(struct vf_instance *vf, int request, void *data)
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{
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return vf->next->control(vf->next, request, data);
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}
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int vf_next_query_format(struct vf_instance *vf, unsigned int fmt)
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{
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int flags = vf->next->query_format(vf->next, fmt);
|
|
if (flags)
|
|
flags |= vf->default_caps;
|
|
return flags;
|
|
}
|
|
|
|
//============================================================================
|
|
|
|
vf_instance_t *append_filters(vf_instance_t *last,
|
|
struct m_obj_settings *vf_settings)
|
|
{
|
|
struct MPOpts *opts = last->opts;
|
|
vf_instance_t *vf;
|
|
int i;
|
|
|
|
if (vf_settings) {
|
|
// We want to add them in the 'right order'
|
|
for (i = 0; vf_settings[i].name; i++)
|
|
/* NOP */;
|
|
for (i--; i >= 0; i--) {
|
|
//printf("Open filter %s\n",vf_settings[i].name);
|
|
vf = vf_open_filter(opts, last, vf_settings[i].name,
|
|
vf_settings[i].attribs);
|
|
if (vf)
|
|
last = vf;
|
|
}
|
|
}
|
|
return last;
|
|
}
|
|
|
|
//============================================================================
|
|
|
|
void vf_uninit_filter(vf_instance_t *vf)
|
|
{
|
|
if (vf->uninit)
|
|
vf->uninit(vf);
|
|
vf_forget_frames(vf);
|
|
talloc_free(vf);
|
|
}
|
|
|
|
void vf_uninit_filter_chain(vf_instance_t *vf)
|
|
{
|
|
while (vf) {
|
|
vf_instance_t *next = vf->next;
|
|
vf_uninit_filter(vf);
|
|
vf = next;
|
|
}
|
|
}
|
|
|
|
// When changing the size of an image that had old_w/old_h with
|
|
// DAR *d_width/*d_height to the new size new_w/new_h, adjust
|
|
// *d_width/*d_height such that the new image has the same pixel aspect ratio.
|
|
void vf_rescale_dsize(int *d_width, int *d_height, int old_w, int old_h,
|
|
int new_w, int new_h)
|
|
{
|
|
*d_width = *d_width * new_w / old_w;
|
|
*d_height = *d_height * new_h / old_h;
|
|
}
|
|
|
|
void vf_detc_init_pts_buf(struct vf_detc_pts_buf *p)
|
|
{
|
|
p->inpts_prev = MP_NOPTS_VALUE;
|
|
p->outpts_prev = MP_NOPTS_VALUE;
|
|
p->lastdelta = 0;
|
|
}
|
|
|
|
static double vf_detc_adjust_pts_internal(struct vf_detc_pts_buf *p,
|
|
double pts, bool reset_pattern,
|
|
bool skip_frame, double delta,
|
|
double boundfactor_minus,
|
|
double increasefactor,
|
|
double boundfactor_plus)
|
|
{
|
|
double newpts;
|
|
|
|
if (pts == MP_NOPTS_VALUE)
|
|
return pts;
|
|
|
|
if (delta <= 0) {
|
|
if (p->inpts_prev == MP_NOPTS_VALUE)
|
|
delta = 0;
|
|
else if (pts == p->inpts_prev)
|
|
delta = p->lastdelta;
|
|
else
|
|
delta = pts - p->inpts_prev;
|
|
}
|
|
p->inpts_prev = pts;
|
|
p->lastdelta = delta;
|
|
|
|
if (skip_frame)
|
|
return MP_NOPTS_VALUE;
|
|
|
|
/* detect bogus deltas and then passthru pts (possibly caused by seeking,
|
|
* or bad input) */
|
|
if (p->outpts_prev == MP_NOPTS_VALUE || reset_pattern || delta <= 0.0 ||
|
|
delta >= 0.5)
|
|
newpts = pts;
|
|
else {
|
|
// turn 5 frames into 4
|
|
newpts = p->outpts_prev + delta * increasefactor;
|
|
|
|
// bound to input pts in a sensible way; these numbers come because we
|
|
// map frames the following way when ivtc'ing:
|
|
// 0/30 -> 0/24 diff=0
|
|
// 1/30 -> 1/24 diff=1/120
|
|
// 2/30 -> -
|
|
// 3/30 -> 2/24 diff=-1/60
|
|
// 4/30 -> 3/24 diff=-1/120
|
|
if (newpts < pts - delta * boundfactor_minus)
|
|
newpts = pts - delta * boundfactor_minus;
|
|
if (newpts > pts + delta * boundfactor_plus)
|
|
newpts = pts + delta * boundfactor_plus;
|
|
if (newpts < p->outpts_prev)
|
|
newpts = p->outpts_prev; // damage control
|
|
}
|
|
p->outpts_prev = newpts;
|
|
|
|
return newpts;
|
|
}
|
|
|
|
double vf_detc_adjust_pts(struct vf_detc_pts_buf *p, double pts,
|
|
bool reset_pattern, bool skip_frame)
|
|
{
|
|
// standard telecine (see above)
|
|
return vf_detc_adjust_pts_internal(p, pts, reset_pattern, skip_frame,
|
|
0, 0.5, 1.25, 0.25);
|
|
}
|
|
|
|
double vf_softpulldown_adjust_pts(struct vf_detc_pts_buf *p, double pts,
|
|
bool reset_pattern, bool skip_frame,
|
|
int last_frame_duration)
|
|
{
|
|
// for the softpulldown filter we get:
|
|
// 0/60 -> 0/30
|
|
// 2/60 -> 1/30
|
|
// 5/60 -> 2/30
|
|
// 7/60 -> 3/30, 4/30
|
|
return vf_detc_adjust_pts_internal(p, pts, reset_pattern, skip_frame,
|
|
0, 1.0 / last_frame_duration,
|
|
2.0 / last_frame_duration,
|
|
1.0 / last_frame_duration);
|
|
}
|