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https://github.com/mpv-player/mpv
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f110552898
The intention is to let mp_ass_packer_pack() produce different output for the RGBA and LIBASS formats. VOs (or whatever generates the OSD) currently do not signal a preferred format, and this mechanism just exists to switch between RGBA and LIBASS formats correctly, preferring LIBASS if the VO supports it.
54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
#ifndef MPLAYER_SD_H
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#define MPLAYER_SD_H
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#include "dec_sub.h"
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#include "demux/packet.h"
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// up to 210 ms overlaps or gaps are removed
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#define SUB_GAP_THRESHOLD 0.210
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// don't change timings if durations are smaller
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#define SUB_GAP_KEEP 0.4
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struct sd {
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struct mpv_global *global;
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struct mp_log *log;
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struct MPOpts *opts;
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const struct sd_functions *driver;
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void *priv;
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struct attachment_list *attachments;
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struct mp_codec_params *codec;
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// Set to false as soon as the decoder discards old subtitle events.
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// (only needed if sd_functions.accept_packets_in_advance == false)
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bool preload_ok;
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};
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struct sd_functions {
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const char *name;
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bool accept_packets_in_advance;
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int (*init)(struct sd *sd);
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void (*decode)(struct sd *sd, struct demux_packet *packet);
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void (*reset)(struct sd *sd);
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void (*select)(struct sd *sd, bool selected);
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void (*uninit)(struct sd *sd);
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bool (*accepts_packet)(struct sd *sd); // implicit default if NULL: true
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int (*control)(struct sd *sd, enum sd_ctrl cmd, void *arg);
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void (*get_bitmaps)(struct sd *sd, struct mp_osd_res dim, int format,
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double pts, struct sub_bitmaps *res);
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char *(*get_text)(struct sd *sd, double pts);
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};
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struct lavc_conv;
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struct lavc_conv *lavc_conv_create(struct mp_log *log, const char *codec_name,
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char *extradata, int extradata_len);
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char *lavc_conv_get_extradata(struct lavc_conv *priv);
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char **lavc_conv_decode(struct lavc_conv *priv, struct demux_packet *packet);
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void lavc_conv_reset(struct lavc_conv *priv);
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void lavc_conv_uninit(struct lavc_conv *priv);
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#endif
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