summaryrefslogtreecommitdiffstats
path: root/video/filter/vf.h
diff options
context:
space:
mode:
Diffstat (limited to 'video/filter/vf.h')
-rw-r--r--video/filter/vf.h179
1 files changed, 0 insertions, 179 deletions
diff --git a/video/filter/vf.h b/video/filter/vf.h
deleted file mode 100644
index 5146a4d15b..0000000000
--- a/video/filter/vf.h
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * This file is part of mpv.
- *
- * mpv is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with mpv. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef MPLAYER_VF_H
-#define MPLAYER_VF_H
-
-#include <stdbool.h>
-
-#include "video/mp_image.h"
-#include "common/common.h"
-
-struct MPOpts;
-struct mpv_global;
-struct vf_instance;
-struct vf_priv_s;
-struct m_obj_settings;
-
-typedef struct vf_info {
- const char *description;
- const char *name;
- int (*open)(struct vf_instance *vf);
- int priv_size;
- const void *priv_defaults;
- const struct m_option *options;
- void (*print_help)(struct mp_log *log);
- bool (*test_conversion)(int in, int out);
-} vf_info_t;
-
-typedef struct vf_instance {
- const vf_info_t *info;
- char *full_name;
-
- // Initialize the filter. The filter must set *out to the same image
- // params as the images the filter functions will return for the given
- // *in format.
- // Note that by default, only formats reported as supported by query_format
- // will be allowed for *in.
- // Returns >= 0 on success, < 0 on error.
- int (*reconfig)(struct vf_instance *vf, struct mp_image_params *in,
- struct mp_image_params *out);
-
- int (*control)(struct vf_instance *vf, int request, void *data);
- int (*query_format)(struct vf_instance *vf, unsigned int fmt);
-
- // Filter mpi and return the result. The input mpi reference is owned by
- // the filter, the returned reference is owned by the caller.
- // Return NULL if the output frame is skipped.
- struct mp_image *(*filter)(struct vf_instance *vf, struct mp_image *mpi);
-
- // Like filter(), but can return an error code ( >= 0 means success). This
- // callback is also more practical when the filter can return multiple
- // output images. Use vf_add_output_frame() to queue output frames.
- // Warning: this is called with mpi==NULL if there is no more input at
- // all (i.e. the video has reached end of file condition). This
- // can be used to output delayed or otherwise remaining images.
- int (*filter_ext)(struct vf_instance *vf, struct mp_image *mpi);
-
- // Produce an output frame. This is called after filter or filter_ext.
- // You can add 0 or more frames with vf_add_output_frame(). (This allows
- // distributing the filter load over time -> typically add at most 1 frame.)
- // If this adds no frame (or is NULL), then the caller assumes that the
- // filter needs new input.
- // Return a negative value on error. (No more frames is not an error.)
- // May be called multiple times, even if the filter gives no output.
- int (*filter_out)(struct vf_instance *vf);
-
- // Optional function that checks whether the filter needs additional
- // input. This is for filters with asynchronous behavior: they filter
- // frames in the background, and to get good pipelining behavior, new
- // data should be fed, even if the playback core doesn't need any yet.
- bool (*needs_input)(struct vf_instance *vf);
-
- void (*uninit)(struct vf_instance *vf);
-
- char *label;
- bool autoinserted;
-
- struct mp_image_params fmt_in, fmt_out;
-
- // This is a dirty hack.
- struct AVBufferRef *in_hwframes_ref, *out_hwframes_ref;
-
- struct mp_image_pool *out_pool;
- struct vf_priv_s *priv;
- struct mp_log *log;
- struct mp_hwdec_devices *hwdec_devs;
-
- struct mp_image **out_queued;
- int num_out_queued;
-
- // Caches valid output formats.
- uint8_t last_outfmts[IMGFMT_END - IMGFMT_START];
-
- struct vf_chain *chain;
- struct vf_instance *next;
-} vf_instance_t;
-
-// A chain of video filters
-struct vf_chain {
- int initialized; // 0: no, 1: yes, -1: attempted to, but failed
-
- struct vf_instance *first, *last;
-
- struct mp_image_params input_params;
- struct mp_image_params output_params;
- uint8_t allowed_output_formats[IMGFMT_END - IMGFMT_START];
-
- double container_fps;
- double display_fps;
-
- struct mp_log *log;
- struct MPOpts *opts;
- struct mpv_global *global;
- struct mp_hwdec_devices *hwdec_devs;
-
- // This is a dirty hack.
- struct AVBufferRef *in_hwframes_ref;
-
- // Call when the filter chain wants new processing (for filters with
- // asynchronous behavior) - must be immutable once filters are created,
- // since they are supposed to call it from foreign threads.
- void (*wakeup_callback)(void *ctx);
- void *wakeup_callback_ctx;
-};
-
-enum vf_ctrl {
- VFCTRL_SEEK_RESET = 1, // reset on picture and PTS discontinuities
- VFCTRL_GET_METADATA, // Get frame metadata from lavfi filters (e.g., cropdetect)
- /* Hack to make the OSD state object available to vf_sub which
- * access OSD/subtitle state outside of normal OSD draw time. */
- VFCTRL_INIT_OSD,
- VFCTRL_COMMAND,
-};
-
-struct vf_chain *vf_new(struct mpv_global *global);
-void vf_destroy(struct vf_chain *c);
-void vf_set_proto_frame(struct vf_chain *c, struct mp_image *img);
-int vf_reconfig(struct vf_chain *c, const struct mp_image_params *params);
-int vf_control_any(struct vf_chain *c, int cmd, void *arg);
-int vf_control_by_label(struct vf_chain *c, int cmd, void *arg, bstr label);
-int vf_filter_frame(struct vf_chain *c, struct mp_image *img);
-int vf_output_frame(struct vf_chain *c, bool eof);
-int vf_needs_input(struct vf_chain *c);
-struct mp_image *vf_read_output_frame(struct vf_chain *c);
-void vf_unread_output_frame(struct vf_chain *c, struct mp_image *img);
-void vf_seek_reset(struct vf_chain *c);
-struct vf_instance *vf_append_filter(struct vf_chain *c, const char *name,
- char **args);
-void vf_remove_filter(struct vf_chain *c, struct vf_instance *vf);
-int vf_append_filter_list(struct vf_chain *c, struct m_obj_settings *list);
-struct vf_instance *vf_find_by_label(struct vf_chain *c, const char *label);
-void vf_print_filter_chain(struct vf_chain *c, int msglevel,
- struct vf_instance *vf);
-
-int vf_send_command(struct vf_chain *c, char *label, char *cmd, char *arg);
-
-// Filter internal API
-struct mp_image *vf_alloc_out_image(struct vf_instance *vf);
-bool vf_make_out_image_writeable(struct vf_instance *vf, struct mp_image *img);
-void vf_add_output_frame(struct vf_instance *vf, struct mp_image *img);
-
-// default wrappers:
-int vf_next_query_format(struct vf_instance *vf, unsigned int fmt);
-
-#endif /* MPLAYER_VF_H */