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Add CLI option to write multiple subsongs
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README.md
43
README.md
@ -28,14 +28,14 @@ More technical docs: https://github.com/vgmstream/vgmstream/tree/master/doc
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## Usage
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There are multiple end-user bits:
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- a command line decoder called "test.exe/vgmstream-cli"
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- a Winamp plugin called "in_vgmstream"
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- a foobar2000 component called "foo_input_vgmstream"
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- an XMPlay plugin called "xmp-vgmstream"
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- an Audacious plugin called "libvgmstream"
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- a command line player called "vgmstream123"
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- a command line decoder called *test.exe/vgmstream-cli*
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- a Winamp plugin called *in_vgmstream*
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- a foobar2000 component called *foo_input_vgmstream*
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- an XMPlay plugin called *xmp-vgmstream*
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- an Audacious plugin called *libvgmstream*
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- a command line player called *vgmstream123*
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Main lib (plain vgmstream) is the code that handles internal conversion, while the
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Main lib (plain *vgmstream*) is the code that handles internal conversion, while the
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above components are what you use to actually get sound. See *components* below for
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explanations about each one.
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@ -97,28 +97,31 @@ files to the executable to decode them as `(filename.ext).wav`.
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There are multiple options that alter how the file is converted, for example:
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- `test.exe -m file.adx`: print info but don't decode
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- `test.exe -i -o file_noloop.wav file.hca`: convert without looping
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- `test.exe -s 2 -F file.fsb`: play 2nd subsong + ending after 2.0 loops
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- `test.exe -s 2 -F file.fsb`: write 2nd subsong + ending after 2.0 loops
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- `test.exe -l 3.0 -f 5.0 -d 3.0 file.wem`: 3 loops, 3s delay, 5s fade
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- `test.exe -o bgm_?f.wav file1.adx file2.adx`: convert multiple files to `bgm_(name).wav`
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Available commands are printed when run with no flags. Note that you can also
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achieve similar results for other plugins using TXTP, described later.
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With files multiple subsongs you need to specify manually subsong (by design, to avoid
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massive data dumps since some formats have hundreds of subsongs), but you could do
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some command line tricks:
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```
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: REM extracts from subsong 5 to 10 in file.fsb
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for /L %A in (5,1,10) do test.exe -s %A -o file_%A.wav file.fsb
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```
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Output filename in `-o` may use multiple wildcards:
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Output filename in `-o` may use wildcards:
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- `?s`: sets current subsong (or 0 if format doesn't have subsongs)
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- `?0Ns`: same, but left pads subsong with up to `N` zeroes
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- `?n`: internal stream name, or input filename if format doesn't have name
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- `?f`: input filename
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For example `test.exe -s 2 -o ?04s_?n.wav file.fsb` could generate `0002_song1.wav`
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For example `test.exe -s 2 -o ?04s_?n.wav file.fsb` could generate `0002_song1.wav`.
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Default output filename is `?f.wav`, or `?f#?s.wav` if you set subsongs (`-s/S`).
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For files containing multiple subsongs, you can write them all using some flags.
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**WARNING, MAY TAKE A LOT OF SPACE!** Some files have been observed to contain +20000
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subsongs, so don't use this lightly. Remember to set an output name (`-o`) with subsong
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wilcards (or leave it alone for the defaults).
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- `test.exe -s 1 -S 100 file.bank`: writes from subsong 1 to subsong 100
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- `test.exe -s 101 -S 0 file.bank`: writes from subsong 101 to max subsong
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- `test.exe -S 0 file.bank`: writes from subsong 1 to max subsong (automatically changes 0 to max)
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- `test.exe -s 1 -S 5 -o bgm.wav file.bank`: writes 5 subsongs, but all overwrite the same file = wrong.
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- `test.exe -s 1 -S 5 -o bgm_?02s.wav file.bank`: writes 5 subsongs, each named differently = correct.
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### in_vgmstream (Winamp plugin)
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@ -397,6 +400,7 @@ file, or static values. This allows vgmstream to play unsupported formats.
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more functions, plus doesn't modify original data.
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Usage example (used when opening an unknown file named `bgm_01.pcm`):
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**.pcm.txth**
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```
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codec = PCM16LE
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@ -421,6 +425,7 @@ per-file configurations like number of loops, remove unneeded channels,
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force looping, and many other features.
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Usage examples (open directly, name can be set freely):
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**bgm01-full.txtp**
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```
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# plays 2 files as a single one
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@ -599,6 +604,7 @@ enabled in preferences):
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### TXTP matching
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To ease *TXTP* config, tags with plain files will match `.txtp` with config, and tags
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with `.txtp` config also match plain files:
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**!tags.m3u**
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```
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# @TITLE Title1
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@ -620,6 +626,7 @@ BGM01.adx #P 10.0.txtp
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Since it matches when a tag is found, some cases that depend on order won't work.
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You can disable this feature manually then:
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**!tags.m3u**
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```
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# $EXACTMATCH
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@ -50,6 +50,7 @@ static void usage(const char* name, int is_full) {
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" -e: force end-to-end looping\n"
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" -E: force end-to-end looping even if file has real loop points\n"
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" -s N: select subsong N, if the format supports multiple subsongs\n"
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" -S N: select end subsong (set 0 for 'all')\n"
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" -m: print metadata only, don't decode\n"
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" -L: append a smpl chunk and create a looping wav\n"
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" -2 N: only output the Nth (first is 0) set of stereo channels\n"
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@ -103,7 +104,8 @@ typedef struct {
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int print_batchvar;
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int write_lwav;
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int only_stereo;
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int stream_index;
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int subsong_index;
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int subsong_end;
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double loop_count;
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double fade_time;
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@ -145,7 +147,7 @@ static int parse_config(cli_config* cfg, int argc, char** argv) {
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opterr = 0;
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/* read config */
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while ((opt = getopt(argc, argv, "o:l:f:d:ipPcmxeLEFrgb2:s:t:Tk:K:hOvD:"
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while ((opt = getopt(argc, argv, "o:l:f:d:ipPcmxeLEFrgb2:s:t:Tk:K:hOvD:S:"
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#ifdef HAVE_JSON
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"VI"
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#endif
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@ -207,10 +209,17 @@ static int parse_config(cli_config* cfg, int argc, char** argv) {
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cfg->ignore_fade = 1;
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break;
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case 's':
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cfg->stream_index = atoi(optarg);
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cfg->subsong_index = atoi(optarg);
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break;
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case 'S':
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cfg->subsong_end = atoi(optarg);
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if (!cfg->subsong_end)
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cfg->subsong_end = -1; /* signal up to end (otherwise 0 = not set) */
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if (!cfg->subsong_index)
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cfg->subsong_index = 1;
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break;
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case 't':
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cfg->tag_filename= optarg;
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cfg->tag_filename = optarg;
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break;
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case 'T':
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cfg->show_title = 1;
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@ -554,8 +563,10 @@ void replace_filename(char* dst, size_t dstsize, const char* outfilename, const
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/* ************************************************************ */
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static int convert_file(cli_config* cfg);
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static int convert_subsongs(cli_config* cfg);
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static int write_file(VGMSTREAM* vgmstream, cli_config* cfg);
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int main(int argc, char** argv) {
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cli_config cfg = {0};
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int i, res, ok;
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@ -582,11 +593,19 @@ int main(int argc, char** argv) {
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if (cfg.outfilename_config)
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cfg.outfilename = NULL;
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if (cfg.subsong_index > 0 && cfg.subsong_end != 0) {
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res = convert_subsongs(&cfg);
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//if (!res) goto fail;
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if (res) ok = 1;
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}
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else {
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res = convert_file(&cfg);
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//if (!res) goto fail; /* keep on truckin' */
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if (res) ok = 1; /* return ok if at least one succeeds, for programs that check result code */
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//if (!res) goto fail;
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if (res) ok = 1;
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}
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}
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/* ok if at least one succeeds, for programs that check result code */
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if (!ok)
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goto fail;
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@ -595,6 +614,40 @@ fail:
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return EXIT_FAILURE;
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}
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static int convert_subsongs(cli_config* cfg) {
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int res;
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int subsong;
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/* restore original values in case of multiple parsed files */
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int start_temp = cfg->subsong_index;
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int end_temp = cfg->subsong_end;
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/* first call should force load max subsongs */
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if (cfg->subsong_end == -1) {
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res = convert_file(cfg);
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if (!res) goto fail;
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}
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//;VGM_LOG("CLI: subsongs %i to %i\n", cfg->subsong_index, cfg->subsong_end + 1);
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/* convert subsong range */
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for (subsong = cfg->subsong_index; subsong < cfg->subsong_end + 1; subsong++) {
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cfg->subsong_index = subsong;
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res = convert_file(cfg);
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if (!res) goto fail;
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}
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cfg->subsong_index = start_temp;
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cfg->subsong_end = end_temp;
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return 1;
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fail:
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cfg->subsong_index = start_temp;
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cfg->subsong_end = end_temp;
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return 0;
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}
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static int convert_file(cli_config* cfg) {
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VGMSTREAM* vgmstream = NULL;
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char outfilename_temp[PATH_LIMIT];
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@ -623,7 +676,7 @@ static int convert_file(cli_config* cfg) {
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goto fail;
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}
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sf->stream_index = cfg->stream_index;
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sf->stream_index = cfg->subsong_index;
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vgmstream = init_vgmstream_from_STREAMFILE(sf);
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close_streamfile(sf);
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@ -631,6 +684,13 @@ static int convert_file(cli_config* cfg) {
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fprintf(stderr, "failed opening %s\n", cfg->infilename);
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goto fail;
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}
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/* force load total subsongs if signalled */
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if (cfg->subsong_end == -1) {
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cfg->subsong_end = vgmstream->num_streams;
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close_vgmstream(vgmstream);
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return 1;
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}
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}
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@ -666,19 +726,25 @@ static int convert_file(cli_config* cfg) {
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/* prepare output */
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{
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/* note that outfilename_temp must persist outside this block, hence the external array */
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if (!cfg->outfilename_config && !cfg->outfilename) {
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/* defaults */
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cfg->outfilename_config = (cfg->subsong_index >= 1) ?
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"?f#?s.wav" :
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"?f.wav";
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/* maybe should avoid overwriting with this auto-name, for the unlikely
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* case of file header-body pairs (file.ext+file.ext.wav) */
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}
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if (cfg->outfilename_config) {
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/* special substitution */
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replace_filename(outfilename_temp, sizeof(outfilename_temp), cfg->outfilename_config, cfg->infilename, vgmstream);
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cfg->outfilename = outfilename_temp;
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}
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else if (!cfg->outfilename) {
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/* note that outfilename_temp must persist outside this block, hence the external array */
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strcpy(outfilename_temp, cfg->infilename);
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strcat(outfilename_temp, ".wav");
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cfg->outfilename = outfilename_temp;
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/* maybe should avoid overwriting with this auto-name, for the unlikely
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* case of file header-body pairs (file.ext+file.ext.wav) */
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}
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if (!cfg->outfilename)
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goto fail;
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/* don't overwrite itself! */
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if (strcmp(cfg->outfilename, cfg->infilename) == 0) {
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