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-rwxr-xr-xmp3_cd.cpp293
-rwxr-xr-xmp3_cd.h45
2 files changed, 0 insertions, 338 deletions
diff --git a/mp3_cd.cpp b/mp3_cd.cpp
deleted file mode 100755
index 82d54d30b7..0000000000
--- a/mp3_cd.cpp
+++ /dev/null
@@ -1,293 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2002 The ScummVM project
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * $Header$
- */
-
-#include "stdafx.h"
-#include "scumm.h"
-
-#ifdef COMPRESSED_SOUND_FILE__
-#include "mp3_cd.h"
-#include <SDL.h>
-
-int _current_mp3_cd_track;
-struct xing _vbr_header;
-struct mad_header _mad_header;
-long _mp3_size;
-FILE *_mp3_track;
-MixerChannel *_mc;
-
-// From xing.c in MAD
-
-int xing_parse(struct xing *xing, struct mad_bitptr ptr, unsigned int bitlen)
-{
-
- xing->flags = 0;
-
- if (bitlen < 64 || mad_bit_read(&ptr, 32) != XING_MAGIC)
- goto fail;
-
- xing->flags = mad_bit_read(&ptr, 32);
- bitlen -= 64;
-
- if (xing->flags & XING_FRAMES) {
- if (bitlen < 32)
- goto fail;
-
- xing->frames = mad_bit_read(&ptr, 32);
- bitlen -= 32;
- }
-
- if (xing->flags & XING_BYTES) {
- if (bitlen < 32)
- goto fail;
-
- xing->bytes = mad_bit_read(&ptr, 32);
- bitlen -= 32;
- }
-
- if (xing->flags & XING_TOC) {
- int i;
-
- if (bitlen < 800)
- goto fail;
-
- for (i = 0; i < 100; ++i)
- xing->toc[i] = (unsigned char)mad_bit_read(&ptr, 8);
-
- bitlen -= 800;
- }
-
- if (xing->flags & XING_SCALE) {
- if (bitlen < 32)
- goto fail;
-
- xing->scale = mad_bit_read(&ptr, 32);
- bitlen -= 32;
- }
-
- return 0;
-
-fail:
- xing->flags = 0;
- return -1;
-}
-
-// Borrowed from Winamp plugin in_mad.c
-
-bool parse_xing_vbr_tag()
-{
- struct mad_stream stream;
- struct mad_frame frame;
- unsigned char buffer[8192];
- unsigned int buflen = 0;
- int count = 0, result = 0;
-
- _vbr_header.flags = 0;
-
- mad_stream_init(&stream);
- mad_frame_init(&frame);
-
- fseek(_mp3_track, 0, SEEK_SET);
-
- while (1) {
- if (buflen < sizeof(buffer)) {
- uint16 bytes;
-
- bytes = fread(buffer + buflen, 1, sizeof(buffer) - buflen, _mp3_track);
- if (bytes <= 0) {
- if (bytes == -1)
- result = -1;
- break;
- }
-
- buflen += bytes;
- }
-
- mad_stream_buffer(&stream, buffer, buflen);
-
- while (1) {
- if (mad_frame_decode(&frame, &stream) == -1) {
- if (!MAD_RECOVERABLE(stream.error))
- break;
-
- if (stream.error != MAD_ERROR_BADCRC)
- continue;
- }
-
- if (count++ ||
- xing_parse(&_vbr_header, stream.anc_ptr, stream.anc_bitlen)
- == -1)
- break;
- }
-
- if (count || stream.error != MAD_ERROR_BUFLEN)
- break;
-
- memmove(buffer, stream.next_frame,
- buflen = &buffer[buflen] - stream.next_frame);
- }
-
- if (count)
- memcpy(&_mad_header, &frame.header, sizeof(mad_header));
- else
- result = -1;
-
- mad_frame_finish(&frame);
- mad_stream_finish(&stream);
-
- return (result != -1);
-}
-
-uint32 calc_cd_file_offset(int start_frame)
-{
- long offset;
-
- if (!_vbr_header.flags) {
- float frame_size;
- //mad_timer_t timer; - recode with timer
-
- /* Constant bit rate - perhaps not fully accurate */
- frame_size = 144 * _mad_header.bitrate / _mad_header.samplerate;
- offset = (long)((float)start_frame / (float)CD_FPS * 1000 /
- (float)((float)1152 / (float)_mad_header.samplerate *
- 1000) * (float)(frame_size + 0.5));
- } else {
- /* DOES NOT WORK AT THE MOMENT */
- /* see Xing SDK */
- long a;
- float fa, fb, fx;
- float percent = (float)start_frame / (float)CD_FPS * 1000 /
- ((float)((float)1152 / (float)_mad_header.samplerate * 1000) *
- _vbr_header.frames) * 100;
-
- if (percent < 0.0f)
- percent = 0.0f;
- if (percent > 100.0f)
- percent = 100.0f;
-
- a = (int)percent;
- if (a > 99)
- a = 99;
- fa = _vbr_header.toc[a];
- if (a < 99) {
- fb = _vbr_header.toc[a + 1];
- } else {
- fb = 256.0f;
- }
-
- fx = fa + (fb - fa) * (percent - a);
-
- offset = (int)((1.0f / 256.0f) * fx * _vbr_header.bytes);
-
- }
-
- return offset;
-}
-
-bool mp3_cd_play(Scumm *s, int track, int num_loops, int start_frame,
- int end_frame)
-{
-
- // See if we are already playing this track, else try to open it
-
- if (_current_mp3_cd_track != track) {
- char track_name[1024];
-
- sprintf(track_name, "%strack%d.mp3", s->_gameDataPath, track);
- _mp3_track = fopen(track_name, "rb");
- if (!_mp3_track) {
- warning("No CD and track %d not available in mp3 format", track);
- return false;
- }
-
- if (!parse_xing_vbr_tag()) {
- warning("Error parsing file header - ignoring file", track);
- fclose(_mp3_track);
- return false;
- }
-
- if (_vbr_header.flags) {
- if (!((_vbr_header.flags & XING_TOC) &&
- (_vbr_header.flags & XING_BYTES) &&
- (_vbr_header.flags & XING_FRAMES)
- )) {
- warning("Missing required part of VBR header - ignoring file");
- fclose(_mp3_track);
- _vbr_header.flags = 0;
- return false;
- }
- }
- // Allocate the music mixer if necessary
-
- if (!_mc) {
- _mc = s->allocateMixer();
- if (!_mc) {
- warning("No mixer channel available for MP3 music");
- return false;
- }
- }
-
- fseek(_mp3_track, 0, SEEK_END);
- _mp3_size = ftell(_mp3_track);
- fseek(_mp3_track, 0, SEEK_SET);
-
- _mc->type = MIXER_MP3_CDMUSIC;
- _mc->sound_data.mp3_cdmusic.file = _mp3_track;
- _mc->sound_data.mp3_cdmusic.playing = false;
- _mc->sound_data.mp3_cdmusic.buffer_size = 200000;
- _mc->_sfx_sound = malloc(_mc->sound_data.mp3_cdmusic.buffer_size);
-
- /* see if it's enough */
- mad_stream_init(&_mc->sound_data.mp3.stream);
- if (_mad_header.samplerate == 44100)
- mad_stream_options((mad_stream *) & _mc->sound_data.mp3.stream,
- MAD_OPTION_HALFSAMPLERATE);
-
- mad_frame_init(&_mc->sound_data.mp3.frame);
- mad_synth_init(&_mc->sound_data.mp3.synth);
-
- _current_mp3_cd_track = track;
- }
-
-
- if (_current_mp3_cd_track == track) {
-
- uint32 where;
-
- // See where we want to go
- where = calc_cd_file_offset(start_frame);
-
- if (start_frame < 0 || end_frame < 0) {
- warning("Negative index in frame");
- return false;
- }
-
- mad_timer_set(&_mc->sound_data.mp3_cdmusic.duration,
- 0, end_frame, CD_FPS);
-
- fseek(_mp3_track, where, SEEK_SET);
- _mc->sound_data.mp3_cdmusic.playing = true;
-
- return true;
- }
-
- return false;
-}
-
-#endif
diff --git a/mp3_cd.h b/mp3_cd.h
deleted file mode 100755
index 65c838fccf..0000000000
--- a/mp3_cd.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/* ScummVM - Scumm Interpreter
- * Copyright (C) 2002 The ScummVM project
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * $Header$
- */
-
-#ifndef MP3_CD_H
-#define MP3_CD_H
-
-// From xing.h in MAD
-
-# define XING_MAGIC (('X' << 24) | ('i' << 16) | ('n' << 8) | 'g')
-
-struct xing {
- long flags; /* valid fields (see below) */
- unsigned long frames; /* total number of frames */
- unsigned long bytes; /* total number of bytes */
- unsigned char toc[100]; /* 100-point seek table */
- long scale; /* ?? */
-};
-
-enum {
- XING_FRAMES = 0x00000001L,
- XING_BYTES = 0x00000002L,
- XING_TOC = 0x00000004L,
- XING_SCALE = 0x00000008L
-};
-
-bool mp3_cd_play(Scumm *s, int track, int num_loops, int start_frame, int end_frame);
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 05:04:32 +0000