575 lines
19 KiB
C
575 lines
19 KiB
C
#include "vgmstream.h"
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#include "plugins.h"
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#include "mixing.h"
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#include "util/log.h"
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/* ****************************************** */
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/* CONTEXT: simplifies plugin code */
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/* ****************************************** */
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int vgmstream_ctx_is_valid(const char* filename, vgmstream_ctx_valid_cfg *cfg) {
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const char** extension_list;
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size_t extension_list_len;
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const char* extension;
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int i;
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if (cfg->is_extension) {
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extension = filename;
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} else {
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extension = filename_extension(filename);
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}
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/* some metas accept extensionless files, but make sure it's not a path (unlikely but...) */
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if (strlen(extension) <= 0) {
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int len = strlen(filename); /* foobar passes an extension as so len may be still 0 */
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if (len <= 0 && !cfg->is_extension)
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return 0;
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if (len > 1 && (filename[len - 1] == '/' || filename[len - 1] == '\\'))
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return 0;
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return !cfg->reject_extensionless;
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}
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/* try in default list */
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if (!cfg->skip_standard) {
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extension_list = vgmstream_get_formats(&extension_list_len);
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for (i = 0; i < extension_list_len; i++) {
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if (strcasecmp(extension, extension_list[i]) == 0) {
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return 1;
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}
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}
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}
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/* try in common extensions */
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if (cfg->accept_common) {
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extension_list = vgmstream_get_common_formats(&extension_list_len);
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for (i = 0; i < extension_list_len; i++) {
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if (strcasecmp(extension, extension_list[i]) == 0)
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return 1;
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}
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}
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/* allow anything not in the normal list but not in common extensions */
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if (cfg->accept_unknown) {
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int is_common = 0;
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extension_list = vgmstream_get_common_formats(&extension_list_len);
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for (i = 0; i < extension_list_len; i++) {
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if (strcasecmp(extension, extension_list[i]) == 0) {
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is_common = 1;
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break;
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}
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}
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if (!is_common)
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return 1;
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}
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return 0;
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}
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void vgmstream_get_title(char* buf, int buf_len, const char* filename, VGMSTREAM* vgmstream, vgmstream_title_t* cfg) {
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const char* pos;
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char* pos2;
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char temp[1024];
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buf[0] = '\0';
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/* name without path */
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pos = strrchr(filename, '\\');
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if (!pos)
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pos = strrchr(filename, '/');
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if (!pos)
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pos = filename;
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else
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pos++;
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/* special case for foobar that uses a (archive)|(subfile) notation when opening a 7z/zip/etc directly */
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if (cfg && cfg->remove_archive) {
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const char* subpos = strchr(pos, '|');
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if (subpos)
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pos = subpos + 1;
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}
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strncpy(buf, pos, buf_len);
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/* name without extension */
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if (cfg && cfg->remove_extension) {
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pos2 = strrchr(buf, '.');
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if (pos2 && strlen(pos2) < 15) /* too big extension = file name probably has a dot in the middle */
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pos2[0] = '\0';
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}
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{
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const char* stream_name = vgmstream->stream_name;
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int total_subsongs = vgmstream->num_streams;
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int target_subsong = vgmstream->stream_index;
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//int is_first = vgmstream->stream_index == 0;
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int show_name;
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/* special considerations for TXTP:
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* - full txtp: don't show subsong number, nor name (assumes one names .txtp as wanted)
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* - mini txtp: don't show subsong number, but show name (assumes one choses song #n in filename, but wants title)
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*/
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int full_txtp = vgmstream->config.is_txtp && !vgmstream->config.is_mini_txtp;
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int mini_txtp = vgmstream->config.is_mini_txtp;
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if (target_subsong == 0)
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target_subsong = 1;
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/* show number if file has more than 1 subsong */
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if (total_subsongs > 1 && !(full_txtp || mini_txtp)) {
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if (cfg && cfg->subsong_range)
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snprintf(temp, sizeof(temp), "%s#1~%i", buf, total_subsongs);
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else
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snprintf(temp, sizeof(temp), "%s#%i", buf, target_subsong);
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strncpy(buf, temp, buf_len);
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}
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/* show name for some cases */
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show_name = (total_subsongs > 0) && (!cfg || !cfg->subsong_range);
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if (full_txtp)
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show_name = 0;
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if (cfg && cfg->force_title)
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show_name = 1;
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if (stream_name[0] != '\0' && show_name) {
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snprintf(temp, sizeof(temp), "%s (%s)", buf, stream_name);
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strncpy(buf, temp, buf_len);
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}
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}
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buf[buf_len - 1] = '\0';
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}
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static void copy_time(int* dst_flag, int32_t* dst_time, double* dst_time_s, int* src_flag, int32_t* src_time, double* src_time_s) {
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if (!*src_flag)
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return;
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*dst_flag = 1;
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*dst_time = *src_time;
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*dst_time_s = *src_time_s;
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}
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//todo reuse in txtp?
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static void load_default_config(play_config_t* def, play_config_t* tcfg) {
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/* loop limit: txtp #L > txtp #l > player #L > player #l */
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if (tcfg->play_forever) {
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def->play_forever = 1;
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def->ignore_loop = 0;
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}
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if (tcfg->loop_count_set) {
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def->loop_count = tcfg->loop_count;
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def->loop_count_set = 1;
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def->ignore_loop = 0;
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if (!tcfg->play_forever)
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def->play_forever = 0;
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}
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/* fade priority: #F > #f, #d */
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if (tcfg->ignore_fade) {
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def->ignore_fade = 1;
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}
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if (tcfg->fade_delay_set) {
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def->fade_delay = tcfg->fade_delay;
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def->fade_delay_set = 1;
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}
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if (tcfg->fade_time_set) {
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def->fade_time = tcfg->fade_time;
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def->fade_time_set = 1;
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}
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/* loop priority: #i > #e > #E (respect player's ignore too) */
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if (tcfg->really_force_loop) {
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//def->ignore_loop = 0;
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def->force_loop = 0;
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def->really_force_loop = 1;
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}
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if (tcfg->force_loop) {
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//def->ignore_loop = 0;
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def->force_loop = 1;
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def->really_force_loop = 0;
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}
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if (tcfg->ignore_loop) {
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def->ignore_loop = 1;
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def->force_loop = 0;
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def->really_force_loop = 0;
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}
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copy_time(&def->pad_begin_set, &def->pad_begin, &def->pad_begin_s, &tcfg->pad_begin_set, &tcfg->pad_begin, &tcfg->pad_begin_s);
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copy_time(&def->pad_end_set, &def->pad_end, &def->pad_end_s, &tcfg->pad_end_set, &tcfg->pad_end, &tcfg->pad_end_s);
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copy_time(&def->trim_begin_set, &def->trim_begin, &def->trim_begin_s, &tcfg->trim_begin_set, &tcfg->trim_begin, &tcfg->trim_begin_s);
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copy_time(&def->trim_end_set, &def->trim_end, &def->trim_end_s, &tcfg->trim_end_set, &tcfg->trim_end, &tcfg->trim_end_s);
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copy_time(&def->body_time_set, &def->body_time, &def->body_time_s, &tcfg->body_time_set, &tcfg->body_time, &tcfg->body_time_s);
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def->is_mini_txtp = tcfg->is_mini_txtp;
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def->is_txtp = tcfg->is_txtp;
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}
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static void load_player_config(play_config_t* def, vgmstream_cfg_t* vcfg) {
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def->play_forever = vcfg->play_forever;
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def->ignore_loop = vcfg->ignore_loop;
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def->force_loop = vcfg->force_loop;
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def->really_force_loop = vcfg->really_force_loop;
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def->ignore_fade = vcfg->ignore_fade;
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def->loop_count = vcfg->loop_count;
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def->loop_count_set = 1;
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def->fade_delay = vcfg->fade_delay;
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def->fade_delay_set = 1;
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def->fade_time = vcfg->fade_time;
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def->fade_time_set = 1;
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}
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void vgmstream_apply_config(VGMSTREAM* vgmstream, vgmstream_cfg_t* vcfg) {
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play_config_t defs = {0};
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play_config_t* def = &defs; /* for convenience... */
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play_config_t* tcfg = &vgmstream->config;
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load_player_config(def, vcfg);
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def->config_set = 1;
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if (!vcfg->disable_config_override)
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load_default_config(def, tcfg);
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if (!vcfg->allow_play_forever)
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def->play_forever = 0;
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/* copy final config back */
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*tcfg = *def;
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vgmstream->config_enabled = def->config_set;
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setup_state_vgmstream(vgmstream);
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}
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/* ****************************************** */
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/* TAGS: loads key=val tags from a file */
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/* ****************************************** */
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#define VGMSTREAM_TAGS_LINE_MAX 2048
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/* opaque tag state */
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struct VGMSTREAM_TAGS {
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/* extracted output */
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char key[VGMSTREAM_TAGS_LINE_MAX];
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char val[VGMSTREAM_TAGS_LINE_MAX];
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/* file to find tags for */
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int targetname_len;
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char targetname[VGMSTREAM_TAGS_LINE_MAX];
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/* path of targetname */
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char targetpath[VGMSTREAM_TAGS_LINE_MAX];
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/* tag section for filename (see comments below) */
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int section_found;
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off_t section_start;
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off_t section_end;
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off_t offset;
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/* commands */
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int autotrack_on;
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int autotrack_written;
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int track_count;
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int exact_match;
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int autoalbum_on;
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int autoalbum_written;
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};
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static void tags_clean(VGMSTREAM_TAGS* tag) {
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int i;
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int val_len = strlen(tag->val);
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/* remove trailing spaces */
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for (i = val_len - 1; i > 0; i--) {
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if (tag->val[i] != ' ')
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break;
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tag->val[i] = '\0';
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}
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}
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VGMSTREAM_TAGS* vgmstream_tags_init(const char* *tag_key, const char* *tag_val) {
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VGMSTREAM_TAGS* tags = malloc(sizeof(VGMSTREAM_TAGS));
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if (!tags) goto fail;
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*tag_key = tags->key;
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*tag_val = tags->val;
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return tags;
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fail:
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return NULL;
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}
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void vgmstream_tags_close(VGMSTREAM_TAGS *tags) {
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free(tags);
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}
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/* Find next tag and return 1 if found.
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*
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* Tags can be "global" @TAGS, "command" $TAGS, and "file" %TAGS for a target filename.
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* To extract tags we must find either global tags, or the filename's tag "section"
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* where tags apply: (# @TAGS ) .. (other_filename) ..(# %TAGS section).. (target_filename).
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* When a new "other_filename" is found that offset is marked as section_start, and when
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* target_filename is found it's marked as section_end. Then we can begin extracting tags
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* within that section, until all tags are exhausted. Global tags are extracted as found,
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* so they always go first, also meaning any tags after file's section are ignored.
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* Command tags have special meanings and are output after all section tags. */
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int vgmstream_tags_next_tag(VGMSTREAM_TAGS* tags, STREAMFILE* tagfile) {
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off_t file_size = get_streamfile_size(tagfile);
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char currentname[VGMSTREAM_TAGS_LINE_MAX] = {0};
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char line[VGMSTREAM_TAGS_LINE_MAX];
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int ok, bytes_read, line_ok, n1,n2;
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if (!tags)
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return 0;
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/* prepare file start and skip BOM if needed */
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if (tags->offset == 0) {
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if ((uint16_t)read_16bitLE(0x00, tagfile) == 0xFFFE ||
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(uint16_t)read_16bitLE(0x00, tagfile) == 0xFEFF) {
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tags->offset = 0x02;
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if (tags->section_start == 0)
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tags->section_start = 0x02;
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}
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else if (((uint32_t)read_32bitBE(0x00, tagfile) & 0xFFFFFF00) == 0xEFBBBF00) {
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tags->offset = 0x03;
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if (tags->section_start == 0)
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tags->section_start = 0x03;
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}
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}
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/* read lines */
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while (tags->offset <= file_size) {
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/* after section: no more tags to extract */
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if (tags->section_found && tags->offset >= tags->section_end) {
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/* write extra tags after all regular tags */
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if (tags->autotrack_on && !tags->autotrack_written) {
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sprintf(tags->key, "%s", "TRACK");
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sprintf(tags->val, "%i", tags->track_count);
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tags->autotrack_written = 1;
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return 1;
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}
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if (tags->autoalbum_on && !tags->autoalbum_written && tags->targetpath[0] != '\0') {
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const char* path;
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path = strrchr(tags->targetpath,'\\');
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if (!path) {
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path = strrchr(tags->targetpath,'/');
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}
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if (!path) {
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path = tags->targetpath;
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}
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sprintf(tags->key, "%s", "ALBUM");
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sprintf(tags->val, "%s", path+1);
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tags->autoalbum_written = 1;
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return 1;
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}
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goto fail;
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}
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bytes_read = read_line(line, sizeof(line), tags->offset, tagfile, &line_ok);
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if (!line_ok || bytes_read == 0) goto fail;
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tags->offset += bytes_read;
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if (tags->section_found) {
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/* find possible file tag */
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ok = sscanf(line, "# %%%[^%%]%% %[^\r\n] ", tags->key,tags->val); /* key with spaces */
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if (ok != 2)
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ok = sscanf(line, "# %%%[^ \t] %[^\r\n] ", tags->key,tags->val); /* key without */
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if (ok == 2) {
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tags_clean(tags);
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return 1;
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}
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}
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else {
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if (line[0] == '#') {
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/* find possible global command */
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ok = sscanf(line, "# $%n%[^ \t]%n %[^\r\n]", &n1, tags->key, &n2, tags->val);
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if (ok == 1 || ok == 2) {
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int key_len = n2 - n1;
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if (strncasecmp(tags->key, "AUTOTRACK", key_len) == 0) {
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tags->autotrack_on = 1;
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}
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else if (strncasecmp(tags->key, "AUTOALBUM", key_len) == 0) {
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tags->autoalbum_on = 1;
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}
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else if (strncasecmp(tags->key, "EXACTMATCH", key_len) == 0) {
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tags->exact_match = 1;
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VGM_LOG("exact\n");
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}
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continue; /* not an actual tag */
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}
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/* find possible global tag */
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ok = sscanf(line, "# @%[^@]@ %[^\r\n]", tags->key, tags->val); /* key with spaces */
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if (ok != 2)
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ok = sscanf(line, "# @%[^ \t] %[^\r\n]", tags->key, tags->val); /* key without */
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if (ok == 2) {
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tags_clean(tags);
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return 1;
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}
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continue; /* next line */
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}
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/* find possible filename and section start/end
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* (.m3u seem to allow filenames with whitespaces before, make sure to trim) */
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ok = sscanf(line, " %n%[^\r\n]%n ", &n1, currentname, &n2);
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if (ok == 1) {
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int currentname_len = n2 - n1;
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int filename_found = 0;
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/* we want to match file with the same name (case insensitive), OR a virtual .txtp with
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* the filename inside to ease creation of tag files with config, also check end char to
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* tell apart the unlikely case of having both 'bgm01.ad.txtp' and 'bgm01.adp.txtp' */
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/* try exact match (strcasecmp works ok even for UTF-8) */
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if (currentname_len == tags->targetname_len &&
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strncasecmp(currentname, tags->targetname, currentname_len) == 0) {
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filename_found = 1;
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}
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else if (!tags->exact_match) {
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/* try tagfile is "bgm.adx" + target is "bgm.adx #(cfg) .txtp" */
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if (currentname_len < tags->targetname_len &&
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strncasecmp(currentname, tags->targetname, currentname_len) == 0 &&
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vgmstream_is_virtual_filename(tags->targetname)) {
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char c = tags->targetname[currentname_len];
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filename_found = (c==' ' || c == '.' || c == '#');
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}
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/* tagfile has "bgm.adx (...) .txtp" + target has "bgm.adx" */
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else if (tags->targetname_len < currentname_len &&
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strncasecmp(tags->targetname, currentname, tags->targetname_len) == 0 &&
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vgmstream_is_virtual_filename(currentname)) {
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char c = currentname[tags->targetname_len];
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filename_found = (c==' ' || c == '.' || c == '#');
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}
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}
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if (filename_found) {
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/* section ok, start would be set before this (or be 0) */
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tags->section_end = tags->offset;
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tags->section_found = 1;
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tags->offset = tags->section_start;
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}
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else {
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/* mark new possible section */
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tags->section_start = tags->offset;
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}
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tags->track_count++; /* new track found (target filename or not) */
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continue;
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}
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/* empty/bad line, probably */
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}
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}
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/* may reach here if read up to file_size but no section was found */
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fail:
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tags->key[0] = '\0';
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tags->val[0] = '\0';
|
|
return 0;
|
|
}
|
|
|
|
|
|
void vgmstream_tags_reset(VGMSTREAM_TAGS* tags, const char* target_filename) {
|
|
char *path;
|
|
|
|
if (!tags)
|
|
return;
|
|
|
|
memset(tags, 0, sizeof(VGMSTREAM_TAGS));
|
|
|
|
//todo validate sizes and copy sensible max
|
|
|
|
/* get base name */
|
|
strcpy(tags->targetpath, target_filename);
|
|
|
|
/* Windows CMD accepts both \\ and /, and maybe plugin uses either */
|
|
path = strrchr(tags->targetpath,'\\');
|
|
if (!path) {
|
|
path = strrchr(tags->targetpath,'/');
|
|
}
|
|
if (path != NULL) {
|
|
path[0] = '\0'; /* leave targetpath with path only */
|
|
path = path+1;
|
|
}
|
|
|
|
if (path) {
|
|
strcpy(tags->targetname, path);
|
|
} else {
|
|
tags->targetpath[0] = '\0';
|
|
strcpy(tags->targetname, target_filename);
|
|
}
|
|
tags->targetname_len = strlen(tags->targetname);
|
|
}
|
|
|
|
/* ****************************************** */
|
|
/* MIXING: modifies vgmstream output */
|
|
/* ****************************************** */
|
|
|
|
void vgmstream_mixing_enable(VGMSTREAM* vgmstream, int32_t max_sample_count, int *input_channels, int *output_channels) {
|
|
mixing_setup(vgmstream, max_sample_count);
|
|
mixing_info(vgmstream, input_channels, output_channels);
|
|
|
|
/* update internals */
|
|
mixing_info(vgmstream, &vgmstream->pstate.input_channels, &vgmstream->pstate.output_channels);
|
|
setup_vgmstream(vgmstream);
|
|
}
|
|
|
|
void vgmstream_mixing_autodownmix(VGMSTREAM *vgmstream, int max_channels) {
|
|
if (max_channels <= 0)
|
|
return;
|
|
|
|
/* guess mixing the best we can, using standard downmixing if possible
|
|
* (without mapping we can't be sure if format is using a standard layout) */
|
|
if (vgmstream->channel_layout && max_channels <= 2) {
|
|
mixing_macro_downmix(vgmstream, max_channels);
|
|
}
|
|
else {
|
|
mixing_macro_layer(vgmstream, max_channels, 0, 'e');
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
void vgmstream_mixing_stereo_only(VGMSTREAM *vgmstream, int start) {
|
|
if (start < 0)
|
|
return;
|
|
/* could check to avoid making mono files in edge cases but meh */
|
|
|
|
/* remove channels before start */
|
|
while (start) {
|
|
mixing_push_downmix(vgmstream, 0);
|
|
start--;
|
|
}
|
|
/* remove channels after stereo */
|
|
mixing_push_killmix(vgmstream, start + 2);
|
|
}
|
|
|
|
|
|
/* ****************************************** */
|
|
/* LOG: log */
|
|
/* ****************************************** */
|
|
|
|
void vgmstream_set_log_callback(int level, void* callback) {
|
|
vgm_log_set_callback(NULL, level, 0, callback);
|
|
}
|
|
|
|
void vgmstream_set_log_stdout(int level) {
|
|
vgm_log_set_callback(NULL, level, 1, NULL);
|
|
}
|