mirror of
https://github.com/mpv-player/mpv
synced 2024-12-28 10:02:17 +00:00
4e5d996c3a
The previous commits optimized sub redrawing on still images/terminal so mpv wouldn't redraw so much. There is a gap though. It only assumes static subtitles. Since ASS can be animated, those types of subtitles will always need redraws so we need to build in specific detection for this. We need to build a whitelist of events in ASS that are considered animations and then flag the packet. Additionally, there's a bunch of annoying bookkeeping that has to be done since packets can be dropped on seeks and so on.
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MPLAYER_DEMUX_PACKET_H
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#define MPLAYER_DEMUX_PACKET_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <inttypes.h>
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// Holds one packet/frame/whatever
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typedef struct demux_packet {
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double pts;
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double dts;
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double duration;
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int64_t pos; // position in source file byte stream
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union {
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// Normally valid for packets.
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struct {
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unsigned char *buffer;
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size_t len;
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};
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// Used if is_cached==true, special uses only.
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struct {
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uint64_t pos;
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} cached_data;
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};
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int stream; // source stream index (typically sh_stream.index)
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bool keyframe;
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// backward playback
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bool back_restart : 1; // restart point (reverse and return previous frames)
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bool back_preroll : 1; // initial discarded frame for smooth decoder reinit
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// If true, cached_data is valid, while buffer/len are not.
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bool is_cached : 1;
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// segmentation (ordered chapters, EDL)
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bool segmented;
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struct mp_codec_params *codec; // set to non-NULL iff segmented is set
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double start, end; // set to non-NOPTS iff segmented is set
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// subtitles only
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bool animated;
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bool seen;
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int seen_pos;
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double sub_duration;
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// private
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struct demux_packet *next;
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struct AVPacket *avpacket; // keep the buffer allocation and sidedata
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uint64_t cum_pos; // demux.c internal: cumulative size until _start_ of pkt
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} demux_packet_t;
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struct AVBufferRef;
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struct demux_packet *new_demux_packet(size_t len);
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struct demux_packet *new_demux_packet_from_avpacket(struct AVPacket *avpkt);
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struct demux_packet *new_demux_packet_from(void *data, size_t len);
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struct demux_packet *new_demux_packet_from_buf(struct AVBufferRef *buf);
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void demux_packet_shorten(struct demux_packet *dp, size_t len);
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void free_demux_packet(struct demux_packet *dp);
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struct demux_packet *demux_copy_packet(struct demux_packet *dp);
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size_t demux_packet_estimate_total_size(struct demux_packet *dp);
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void demux_packet_copy_attribs(struct demux_packet *dst, struct demux_packet *src);
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int demux_packet_set_padding(struct demux_packet *dp, int start, int end);
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int demux_packet_add_blockadditional(struct demux_packet *dp, uint64_t id,
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void *data, size_t size);
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void demux_packet_unref_contents(struct demux_packet *dp);
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#endif /* MPLAYER_DEMUX_PACKET_H */
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