mirror of https://github.com/mpv-player/mpv
186 lines
6.4 KiB
C
186 lines
6.4 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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#ifndef MPLAYER_VF_H
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#define MPLAYER_VF_H
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#include <stdbool.h>
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#include "video/mp_image.h"
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#include "mpvcore/mp_common.h"
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#include "video/vfcap.h"
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struct MPOpts;
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struct vf_instance;
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struct vf_priv_s;
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typedef struct vf_info {
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const char *description;
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const char *name;
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int (*open)(struct vf_instance *vf, char *args);
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void *damn_you;
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int priv_size;
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const void *priv_defaults;
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const struct m_option *options;
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} vf_info_t;
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struct vf_format {
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int configured;
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struct mp_image_params params;
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int flags;
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};
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typedef struct vf_instance {
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const vf_info_t *info;
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int (*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 flags, unsigned int outfmt);
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// Alternative to config() (can pass more image parameters)
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// Note: the callee is allowed to write *params.
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int (*reconfig)(struct vf_instance *vf, struct mp_image_params *params,
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int flags);
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int (*control)(struct vf_instance *vf, int request, void *data);
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int (*query_format)(struct vf_instance *vf, unsigned int fmt);
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// Filter mpi and return the result. The input mpi reference is owned by
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// the filter, the returned reference is owned by the caller.
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// Return NULL if the output frame is skipped.
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struct mp_image *(*filter)(struct vf_instance *vf, struct mp_image *mpi);
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// Like filter(), but can return an error code ( >= 0 means success). This
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// callback is also more practical when the filter can return multiple
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// output images. Use vf_add_output_frame() to queue output frames.
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int (*filter_ext)(struct vf_instance *vf, struct mp_image *mpi);
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void (*uninit)(struct vf_instance *vf);
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char *label;
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// data:
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struct vf_format fmt_in, fmt_out;
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struct vf_instance *next;
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struct mp_image_pool *out_pool;
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struct vf_priv_s *priv;
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struct MPOpts *opts;
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struct mp_image **out_queued;
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int num_out_queued;
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} vf_instance_t;
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typedef struct vf_seteq {
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const char *item;
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int value;
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} vf_equalizer_t;
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enum vf_ctrl {
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VFCTRL_SEEK_RESET = 1, // reset on picture and PTS discontinuities
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VFCTRL_QUERY_MAX_PP_LEVEL, // query max postprocessing level (if any)
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VFCTRL_SET_PP_LEVEL, // set postprocessing level
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VFCTRL_SET_EQUALIZER, // set color options (brightness,contrast etc)
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VFCTRL_GET_EQUALIZER, // get color options (brightness,contrast etc)
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VFCTRL_SCREENSHOT, // Take screenshot, arg is voctrl_screenshot_args
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VFCTRL_INIT_OSD, // Filter OSD renderer present?
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VFCTRL_SET_DEINTERLACE, // Set deinterlacing status
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VFCTRL_GET_DEINTERLACE, // Get deinterlacing status
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/* Hack to make the OSD state object available to vf_sub which
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* access OSD/subtitle state outside of normal OSD draw time. */
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VFCTRL_SET_OSD_OBJ,
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VFCTRL_GET_HWDEC_INFO, // for hwdec filters
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};
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int vf_control(struct vf_instance *vf, int cmd, void *arg);
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struct mp_image *vf_alloc_out_image(struct vf_instance *vf);
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void vf_make_out_image_writeable(struct vf_instance *vf, struct mp_image *img);
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void vf_add_output_frame(struct vf_instance *vf, struct mp_image *img);
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int vf_filter_frame(struct vf_instance *vf, struct mp_image *img);
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struct mp_image *vf_chain_output_queued_frame(struct vf_instance *vf);
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void vf_chain_seek_reset(struct vf_instance *vf);
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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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vf_instance_t *vf_add_before_vo(vf_instance_t **vf, char *name, char **args);
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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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// default wrappers:
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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 flags, unsigned int outfmt);
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int vf_next_control(struct vf_instance *vf, int request, void *data);
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int vf_next_query_format(struct vf_instance *vf, unsigned int fmt);
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int vf_next_reconfig(struct vf_instance *vf, struct mp_image_params *params,
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int flags);
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struct m_obj_settings;
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vf_instance_t *append_filters(vf_instance_t *last,
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struct m_obj_settings *vf_settings);
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vf_instance_t *vf_find_by_label(vf_instance_t *chain, const char *label);
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void vf_uninit_filter(vf_instance_t *vf);
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void vf_uninit_filter_chain(vf_instance_t *vf);
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int vf_reconfig_wrapper(struct vf_instance *vf,
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const struct mp_image_params *params, int flags);
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void vf_print_filter_chain(int msglevel, struct vf_instance *vf);
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void vf_rescale_dsize(int *d_width, int *d_height, int old_w, int old_h,
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int new_w, int new_h);
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void vf_set_dar(int *d_width, int *d_height, int w, int h, double dar);
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static inline int norm_qscale(int qscale, int type)
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{
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switch (type) {
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case 0: // MPEG-1
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return qscale;
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case 1: // MPEG-2
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return qscale >> 1;
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case 2: // H264
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return qscale >> 2;
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case 3: // VP56
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return (63 - qscale + 2) >> 2;
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}
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return qscale;
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}
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struct vf_detc_pts_buf {
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double inpts_prev, outpts_prev;
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double lastdelta;
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};
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void vf_detc_init_pts_buf(struct vf_detc_pts_buf *p);
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/* Adjust pts when detelecining.
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* skip_frame: do not render this frame
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* reset_pattern: set to 1 if the telecine pattern has reset due to scene cut
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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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