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SLI: ignore comments and cleanup
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bnnm
parent
21f6696354
commit
6ea7e4a256
226
src/meta/sli.c
226
src/meta/sli.c
@ -1,116 +1,110 @@
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#include "meta.h"
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#include <ctype.h>
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/* .sli+ogg/opus - KiriKiri engine / WaveLoopManager loop points loader [Fate/Stay Night (PC), World End Economica (PC)] */
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VGMSTREAM * init_vgmstream_sli_ogg(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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STREAMFILE * streamData = NULL;
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int32_t loop_start = -1, loop_length = -1;
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int32_t loop_from = -1, loop_to = -1;
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/* checks */
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if (!check_extensions(streamFile, "sli"))
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goto fail;
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{
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/* try with file.ogg/opus.sli=header and file.ogg/opus=data */
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char basename[PATH_LIMIT];
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get_streamfile_basename(streamFile,basename,PATH_LIMIT);
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streamData = open_streamfile_by_filename(streamFile, basename);
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if (!streamData) goto fail;
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}
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/* let the real initer do the parsing */
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if (check_extensions(streamData, "ogg")) { /* Fate/Stay Night (PC) */
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#ifdef VGM_USE_VORBIS
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vgmstream = init_vgmstream_ogg_vorbis(streamData);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_OGG_SLI;
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#else
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goto fail;
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#endif
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}
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else if (check_extensions(streamData, "opus")) { /* Sabbat of the Witch (PC) */
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#ifdef VGM_USE_FFMPEG
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vgmstream = init_vgmstream_ffmpeg(streamData);
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if (!vgmstream) goto fail;
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/* FFmpeg's Opus encoder delay is borked but no need to fix:
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* somehow sli+opus use 0 in the OpusHead (to simplify looping?) */
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vgmstream->meta_type = meta_OPUS_SLI;
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#else
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goto fail;
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#endif
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}
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else {
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goto fail;
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}
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/* find loop text */
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{
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char line[PATH_LIMIT];
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size_t bytes_read;
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off_t sli_offset;
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int line_ok;
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sli_offset = 0;
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while ((loop_start == -1 || loop_length == -1) && sli_offset < get_streamfile_size(streamFile)) {
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char *endptr, *foundptr;
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bytes_read = read_line(line, sizeof(line), sli_offset, streamFile, &line_ok);
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if (!line_ok) goto fail;
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if (memcmp("LoopStart=",line,10)==0 && line[10] != '\0') {
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loop_start = strtol(line+10,&endptr,10);
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if (*endptr != '\0') {
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loop_start = -1; /* if it didn't parse cleanly */
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}
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}
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else if (memcmp("LoopLength=",line,11)==0 && line[11] != '\0') {
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loop_length = strtol(line+11,&endptr,10);
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if (*endptr != '\0') {
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loop_length = -1; /* if it didn't parse cleanly */
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}
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}
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/* a completely different format (2.0?), also with .sli extension and can be handled similarly */
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if ((foundptr = strstr(line,"To=")) != NULL && isdigit(foundptr[3])) {
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loop_to = strtol(foundptr+3,&endptr,10);
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if (*endptr != ';') {
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loop_to = -1;
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}
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}
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if ((foundptr = strstr(line,"From=")) != NULL && isdigit(foundptr[5])) {
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loop_from = strtol(foundptr+5,&endptr,10);
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if (*endptr != ';') {
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loop_from = -1;
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}
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}
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sli_offset += bytes_read;
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}
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}
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if (loop_start != -1 && loop_length != -1) { /* v1 */
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vgmstream_force_loop(vgmstream,1,loop_start, loop_start+loop_length);
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}
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else if (loop_from != -1 && loop_to != -1) { /* v2 */
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vgmstream_force_loop(vgmstream,1,loop_to, loop_from);
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}
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else {
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goto fail; /* if there's no loop points the .sli wasn't valid */
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}
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close_streamfile(streamData);
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return vgmstream;
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fail:
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close_streamfile(streamData);
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close_vgmstream(vgmstream);
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return NULL;
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}
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#include "meta.h"
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#include <ctype.h>
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/* .sli+ogg/opus - KiriKiri engine / WaveLoopManager loop points loader [Fate/Stay Night (PC), World End Economica (PC)] */
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VGMSTREAM* init_vgmstream_sli_ogg(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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STREAMFILE* sf_data = NULL;
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int32_t loop_start = -1, loop_length = -1;
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int32_t loop_from = -1, loop_to = -1;
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/* checks */
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if (!check_extensions(sf, "sli"))
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goto fail;
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{
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/* try with file.ogg/opus.sli=header and file.ogg/opus=data */
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char basename[PATH_LIMIT];
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get_streamfile_basename(sf,basename,PATH_LIMIT);
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sf_data = open_streamfile_by_filename(sf, basename);
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if (!sf_data) goto fail;
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}
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if (!is_id32be(0x00, sf_data, "OggS"))
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goto fail;
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/* let the real initer do the parsing */
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if (is_id32be(0x1c, sf_data, "Opus")) { /* Sabbat of the Witch (PC) */
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vgmstream = init_vgmstream_ogg_opus(sf_data);
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if (!vgmstream) goto fail;
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/* somehow sli+opus use 0 encoder delay in the OpusHead (to simplify looping?) */
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vgmstream->meta_type = meta_OPUS_SLI;
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}
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else { /* Fate/Stay Night (PC) */
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vgmstream = init_vgmstream_ogg_vorbis(sf_data);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_OGG_SLI;
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}
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/* find loop text */
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{
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char line[PATH_LIMIT];
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size_t bytes_read;
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off_t sli_offset;
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int line_ok;
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sli_offset = 0;
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while ((loop_start == -1 || loop_length == -1) && sli_offset < get_streamfile_size(sf)) {
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char *endptr, *foundptr;
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bytes_read = read_line(line, sizeof(line), sli_offset, sf, &line_ok);
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if (!line_ok) goto fail;
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sli_offset += bytes_read;
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/* files may be padded with 0s */
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/* comments in v2.0 [Sabbath of the Witch (PC), KARAKARA (PC)] */
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if (line[0] == '#')
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continue;
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if (memcmp("LoopStart=", line,10) == 0 && line[10] != '\0') {
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loop_start = strtol(line + 10, &endptr, 10);
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if (*endptr != '\0') {
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loop_start = -1; /* if it didn't parse cleanly */
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}
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}
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else if (memcmp("LoopLength=", line, 11) == 0 && line[11] != '\0') {
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loop_length = strtol(line + 11, &endptr, 10);
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if (*endptr != '\0') {
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loop_length = -1; /* if it didn't parse cleanly */
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}
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}
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/* a completely different format ("#2.00"?), can be handled similarly */
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if ((foundptr = strstr(line,"To=")) != NULL && isdigit(foundptr[3])) {
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loop_to = strtol(foundptr + 3, &endptr, 10);
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if (*endptr != ';') {
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loop_to = -1;
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}
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}
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if ((foundptr = strstr(line,"From=")) != NULL && isdigit(foundptr[5])) {
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loop_from = strtol(foundptr + 5, &endptr, 10);
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if (*endptr != ';') {
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loop_from = -1;
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}
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}
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}
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}
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if (loop_start != -1 && loop_length != -1) { /* v1 */
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vgmstream_force_loop(vgmstream, 1, loop_start, loop_start + loop_length);
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}
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else if (loop_from != -1 && loop_to != -1) { /* v2 */
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vgmstream_force_loop(vgmstream, 1, loop_to, loop_from);
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}
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else {
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goto fail; /* if there's no loop points the .sli wasn't valid */
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}
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close_streamfile(sf_data);
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return vgmstream;
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fail:
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close_streamfile(sf_data);
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close_vgmstream(vgmstream);
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return NULL;
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}
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@ -53,7 +53,6 @@ VGMSTREAM* (*init_vgmstream_functions[])(STREAMFILE* sf) = {
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init_vgmstream_vpk,
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init_vgmstream_genh,
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init_vgmstream_ogg_vorbis,
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init_vgmstream_sli_ogg,
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init_vgmstream_sfl_ogg,
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init_vgmstream_sadb,
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init_vgmstream_ps2_bmdx,
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@ -529,6 +528,7 @@ VGMSTREAM* (*init_vgmstream_functions[])(STREAMFILE* sf) = {
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init_vgmstream_mic_koei,
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init_vgmstream_seb,
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init_vgmstream_ps2_pnb,
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init_vgmstream_sli_ogg,
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/* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
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init_vgmstream_txth, /* proper parsers should supersede TXTH, once added */
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