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23ab098969
Slices allowed filtering or drawing video in horizontal bands or blocks. This allowed working on the video in smaller units. In theory, this could bring a performance win by lowering cache pressure, as you didn't have to keep the whole video frame in cache while filtering, only the slice. In practice, the slice code path was barely used for the following reasons: - Multithreaded decoding with ffmpeg didn't use slices. The ffmpeg slice callback was disabled, because it can be called from another thread, and the mplayer video chain is not thread-safe. - There was nothing that would turn "full" images into appropriate slices, so slices were rarely used. - Most filters didn't actually support slices. On the other hand, supporting slices lead to code duplication and more complex code in general. I made some experiments and didn't find any actual measurable performance improvements when using slices. Even ffmpeg removed slices based filtering from libavfilter in favor of simpler code. The most broken thing about the slices code path is that slices can't be queued, like it is done for images in vo.c.
197 lines
4.5 KiB
C
197 lines
4.5 KiB
C
#ifndef MPLAYER_OPTIONS_H
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#define MPLAYER_OPTIONS_H
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#include "core/m_option.h"
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typedef struct MPOpts {
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char **video_driver_list;
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char **audio_driver_list;
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int fixed_vo;
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int vo_ontop;
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char *mixer_device;
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char *mixer_channel;
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int softvol;
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float mixer_init_volume;
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int mixer_init_mute;
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float softvol_max;
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int gapless_audio;
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int ao_buffersize;
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int screen_size_x;
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int screen_size_y;
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int vo_screenwidth;
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int vo_screenheight;
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int force_window_position;
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char *vo_winname;
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char *vo_wintitle;
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float force_monitor_aspect;
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float monitor_pixel_aspect;
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int vidmode;
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int fullscreen;
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int vo_dbpp;
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float vo_panscanrange;
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int requested_colorspace;
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int requested_input_range;
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int requested_output_range;
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int cursor_autohide_delay;
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// ranges -100 - 100, 1000 if the vo default should be used
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int vo_gamma_gamma;
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int vo_gamma_brightness;
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int vo_gamma_contrast;
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int vo_gamma_saturation;
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int vo_gamma_hue;
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int osd_level;
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int osd_duration;
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int osd_fractions;
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char *vobsub_name;
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int untimed;
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int loop_times;
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int ordered_chapters;
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int chapter_merge_threshold;
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int quiet;
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int noconfig;
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char *codecs_file;
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int stream_cache_size;
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float stream_cache_min_percent;
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float stream_cache_seek_min_percent;
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int stream_cache_pause;
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int chapterrange[2];
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int edition_id;
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int correct_pts;
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int user_correct_pts;
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int user_pts_assoc_mode;
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int initial_audio_sync;
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int hr_seek;
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float hr_seek_demuxer_offset;
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int autosync;
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int softsleep;
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int frame_dropping;
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int term_osd;
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char *term_osd_esc;
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char *playing_msg;
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char *status_msg;
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int player_idle_mode;
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int consolecontrols;
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int doubleclick_time;
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int list_properties;
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struct m_rel_time play_start;
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struct m_rel_time play_end;
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struct m_rel_time play_length;
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int start_paused;
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int keep_open;
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int audio_id;
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int video_id;
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int sub_id;
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char **audio_lang;
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char **sub_lang;
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int audio_display;
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int sub_visibility;
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char *quvi_format;
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char *audio_stream;
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int audio_stream_cache;
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char *sub_stream;
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char *demuxer_name;
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char *audio_demuxer_name;
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char *sub_demuxer_name;
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int extension_parsing;
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struct image_writer_opts *screenshot_image_opts;
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char *screenshot_template;
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int audio_output_channels;
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int audio_output_format;
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float playback_speed;
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float drc_level;
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struct m_obj_settings *vf_settings;
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float movie_aspect;
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float screen_size_xy;
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int flip;
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int vd_use_dr1;
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char **sub_name;
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char **sub_paths;
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int sub_auto;
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struct osd_style_opts *osd_style;
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struct osd_style_opts *sub_text_style;
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float sub_scale;
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float sub_gauss;
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int sub_gray;
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int ass_enabled;
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float ass_line_spacing;
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int ass_use_margins;
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int ass_vsfilter_aspect_compat;
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int use_embedded_fonts;
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char **ass_force_style_list;
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char *ass_styles_file;
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int ass_style_override;
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int ass_hinting;
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struct lavc_param {
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int workaround_bugs;
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int error_resilience;
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int error_concealment;
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int gray;
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int vstats;
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int idct_algo;
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int debug;
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int vismv;
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int skip_top;
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int skip_bottom;
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int fast;
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char *lowres_str;
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char *skip_loop_filter_str;
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char *skip_idct_str;
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char *skip_frame_str;
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int threads;
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int bitexact;
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char *avopt;
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} lavc_param;
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struct lavfdopts {
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unsigned int probesize;
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int probescore;
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unsigned int analyzeduration;
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char *format;
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char *cryptokey;
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char *avopt;
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} lavfdopts;
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struct input_conf {
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char *config_file;
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int key_fifo_size;
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unsigned int ar_delay;
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unsigned int ar_rate;
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char *js_dev;
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char *ar_dev;
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char *in_file;
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int use_joystick;
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int use_lirc;
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int use_lircc;
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int use_ar; // apple remote
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int default_bindings;
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int test;
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} input;
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struct encode_output_conf {
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char *file;
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char *format;
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char **fopts;
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float fps;
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char *vcodec;
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char **vopts;
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char *acodec;
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char **aopts;
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int harddup;
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float voffset;
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float aoffset;
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int copyts;
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int rawts;
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int autofps;
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int neverdrop;
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int video_first;
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int audio_first;
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} encode_output;
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} MPOpts;
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#endif
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