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https://github.com/nunuhara/xsystem4.git
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kichikuou
de2db1af93
These HLLs play .mpg movie files (later games use .alm file extension, but the format is the same, i.e. MPEG-PS) that contain MPEG1 video and MP2 audio streams. pl_mpeg.h is the PL_MPEG library (https://github.com/phoboslab/pl_mpeg) imported from commit 5aeef4d07593be1960a0e4c7fe204809cfae30bd. This adds a few mixer functions (mixer_stream_*) for playing custom audio streams under the master mixer.
88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/* Copyright (C) 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
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*
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* This program 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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* This program 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
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* along with this program; if not, see <http://gnu.org/licenses/>.
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*/
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#ifndef SYSTEM4_MIXER_H
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#define SYSTEM4_MIXER_H
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#include <stdbool.h>
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struct bgi {
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int no;
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int loop_count;
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int loop_start;
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int loop_end;
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int channel;
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int volume;
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};
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struct wai {
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//int uk1;
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//int uk2;
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int channel;
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//int uk3; // version 4+
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};
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void bgi_read(const char *path);
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struct bgi *bgi_get(int no);
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void wai_load(const char *path);
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struct wai *wai_get(int no);
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void mixer_init(void);
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int mixer_get_numof(void);
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const char *mixer_get_name(int n);
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int mixer_set_name(int n, const char *name);
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int mixer_get_volume(int n, int *volume);
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int mixer_set_volume(int n, int volume);
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int mixer_get_mute(int n, int *mute);
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int mixer_set_mute(int n, int mute);
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struct sts_mixer_stream_t;
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int mixer_stream_play(struct sts_mixer_stream_t* stream, int volume);
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bool mixer_stream_set_volume(int voice, int volume);
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void mixer_stream_stop(int voice);
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struct archive_data;
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struct channel;
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enum asset_type;
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struct channel *channel_open(enum asset_type type, int no);
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// Takes ownership of dfile.
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struct channel *channel_open_archive_data(struct archive_data *dfile);
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void channel_close(struct channel *ch);
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int channel_play(struct channel *ch);
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int channel_stop(struct channel *ch);
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int channel_is_playing(struct channel *ch);
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int channel_set_loop_count(struct channel *ch, int count);
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int channel_get_loop_count(struct channel *ch);
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int channel_set_loop_start_pos(struct channel *ch, int pos);
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int channel_set_loop_end_pos(struct channel *ch, int pos);
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int channel_fade(struct channel *ch, int time, int volume, bool stop);
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int channel_stop_fade(struct channel *ch);
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int channel_is_fading(struct channel *ch);
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int channel_pause(struct channel *ch);
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int channel_restart(struct channel *ch);
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int channel_is_paused(struct channel *ch);
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int channel_get_pos(struct channel *ch);
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int channel_get_length(struct channel *ch);
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int channel_get_sample_pos(struct channel *ch);
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int channel_get_sample_length(struct channel *ch);
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int channel_seek(struct channel *ch, int pos);
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int channel_reverse_LR(struct channel *ch);
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int channel_get_volume(struct channel *ch);
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int channel_get_time_length(struct channel *ch);
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#endif /* SYSTEM4_MIXER_H */
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