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comparison cdimage.c @ 2288:efc75ea79164

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Support WAVE files in CUE sheets
author Michael Pavone <pavone@retrodev.com>
date Wed, 18 Jan 2023 23:31:44 -0800
parents 9ead0fe69d9b
children 9d68799f945b
comparison
equal deleted inserted replaced
2287:8a918eb95ba8 2288:efc75ea79164
2 #include <string.h> 2 #include <string.h>
3 #include <stdlib.h> 3 #include <stdlib.h>
4 4
5 #include "system.h" 5 #include "system.h"
6 #include "util.h" 6 #include "util.h"
7 #include "wave.h"
7 8
8 static char* cmd_start(char *cur) 9 static char* cmd_start(char *cur)
9 { 10 {
10 while (*cur && isblank(*cur)) 11 while (*cur && isblank(*cur))
11 { 12 {
197 int track = -1; 198 int track = -1;
198 uint8_t audio_byte_swap = 0; 199 uint8_t audio_byte_swap = 0;
199 FILE *f = NULL; 200 FILE *f = NULL;
200 int track_of_file = -1; 201 int track_of_file = -1;
201 uint8_t has_index_0 = 0; 202 uint8_t has_index_0 = 0;
203 uint32_t extra_offset = 0;
202 do { 204 do {
203 char *cmd = cmd_start(line); 205 char *cmd = cmd_start(line);
204 if (*cmd) { 206 if (*cmd) {
205 if (startswith(cmd, "TRACK ")) { 207 if (startswith(cmd, "TRACK ")) {
206 track++; 208 track++;
264 free(fname); 266 free(fname);
265 track_of_file = -1; 267 track_of_file = -1;
266 for (end++; *end && *end != '\n' && *end != '\r'; end++) 268 for (end++; *end && *end != '\n' && *end != '\r'; end++)
267 { 269 {
268 if (!isspace(*end)) { 270 if (!isspace(*end)) {
271 extra_offset = 0;
269 if (startswith(end, "BINARY")) { 272 if (startswith(end, "BINARY")) {
270 audio_byte_swap = 0; 273 audio_byte_swap = 0;
271 } else if (startswith(end, "MOTOROLA")) { 274 } else if (startswith(end, "MOTOROLA")) {
272 audio_byte_swap = 1; 275 audio_byte_swap = 1;
276 } else if (startswith(end, "WAVE")) {
277 audio_byte_swap = 0;
278 wave_header wave;
279 if (!wave_read_header(f, &wave)) {
280 fatal_error("Wave file %s specified by cute sheet %s.%s is not valid\n", fname, media->name, media->extension);
281 }
282 if (wave.audio_format != 1 || wave.num_channels != 2 || wave.sample_rate != 44100 || wave.bits_per_sample != 16) {
283 warning("BlastEm only suports WAVE tracks in 16-bit stereo PCM format at 44100 hz, file %s does not match\n", fname);
284 }
285 extra_offset = wave.format_header.size + sizeof(wave.data_header) + sizeof(wave.chunk);
273 } else { 286 } else {
274 warning("Unsupported FILE type in CUE sheet. Only BINARY and MOTOROLA are supported\n"); 287 warning("Unsupported FILE type in CUE sheet. Only BINARY and MOTOROLA are supported\n");
275 } 288 }
276 break; 289 break;
277 } 290 }
308 tracks[track].file_offset = tracks[track-1].file_offset + tracks[track-1].end_lba * tracks[track-1].sector_bytes; 321 tracks[track].file_offset = tracks[track-1].file_offset + tracks[track-1].end_lba * tracks[track-1].sector_bytes;
309 if (track_of_file > 1) { 322 if (track_of_file > 1) {
310 tracks[track].file_offset -= tracks[track-2].end_lba * tracks[track-1].sector_bytes; 323 tracks[track].file_offset -= tracks[track-2].end_lba * tracks[track-1].sector_bytes;
311 } 324 }
312 } else { 325 } else {
313 tracks[track].file_offset = 0; 326 tracks[track].file_offset = extra_offset;
314 } 327 }
315 } 328 }
316 } 329 }
317 } 330 }
318 if (cmd && *cmd) { 331 if (cmd && *cmd) {