#include "tagspriv.h" typedef struct Getter Getter; struct Getter{ int (*f)(Tagctx *ctx); int format;}; static const Getter g[] ={ {tagid3v2, Fmp3}, {tagid3v1, Fmp3}, {tagvorbis, Fvorbis}, {tagflac, Fflac}, {tagm4a, Fm4a}, {tagopus, Fopus}, {tagwav, Fwav}, {tagit, Fit}, {tagxm, Fxm}, {tags3m, Fs3m}, {tagmod, Fmod},}; voidtagscallcb(Tagctx *ctx, int type, const char *k, char *s, int offset, int size, Tagread f){ char *e; if(f == nil && size == 0){ while((uint8_t)*s <= ' ' && *s) s++; e = s + strlen(s); while(e != s && (uint8_t)e[-1] <= ' ') e--; if(*e != 0) *e = 0; } if(*s){ ctx->tag(ctx, type, k, s, offset, size, f); if(type != Tunknown){ ctx->found |= 1<<type; } }} inttagsget(Tagctx *ctx){ int i, res; ctx->channels = ctx->samplerate = ctx->bitrate = ctx->duration = 0; ctx->found = 0; ctx->format = Funknown; ctx->restart = 0; res = -1; for(i = 0; i < nelem(g); i++){ if(g[i].f(ctx) == 0){ ctx->format = g[i].format; res = 0; } ctx->seek(ctx, ctx->restart, 0); } return res;}
#include "tagspriv.h"
typedef struct Getter Getter;
struct Getter
{
int (*f)(Tagctx *ctx);
int format;
};
static const Getter g[] =
{
{tagid3v2, Fmp3},
{tagid3v1, Fmp3},
{tagvorbis, Fvorbis},
{tagflac, Fflac},
{tagm4a, Fm4a},
{tagopus, Fopus},
{tagwav, Fwav},
{tagit, Fit},
{tagxm, Fxm},
{tags3m, Fs3m},
{tagmod, Fmod},
};
void
tagscallcb(Tagctx *ctx, int type, const char *k, char *s, int offset, int size, Tagread f)
{
char *e;
if(f == nil && size == 0){
while((uint8_t)*s <= ' ' && *s)
s++;
e = s + strlen(s);
while(e != s && (uint8_t)e[-1] <= ' ')
e--;
if(*e != 0)
*e = 0;
}
if(*s){
ctx->tag(ctx, type, k, s, offset, size, f);
if(type != Tunknown){
ctx->found |= 1<<type;
}
}
}
int
tagsget(Tagctx *ctx)
{
int i, res;
ctx->channels = ctx->samplerate = ctx->bitrate = ctx->duration = 0;
ctx->found = 0;
ctx->format = Funknown;
ctx->restart = 0;
res = -1;
for(i = 0; i < nelem(g); i++){
if(g[i].f(ctx) == 0){
ctx->format = g[i].format;
res = 0;
}
ctx->seek(ctx, ctx->restart, 0);
}
return res;
}