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-rw-r--r--core/multimedia/opieplayer/libmad/libmadplugin.cpp52
1 files changed, 43 insertions, 9 deletions
diff --git a/core/multimedia/opieplayer/libmad/libmadplugin.cpp b/core/multimedia/opieplayer/libmad/libmadplugin.cpp
index 9a1ab2a..9d1ff8c 100644
--- a/core/multimedia/opieplayer/libmad/libmadplugin.cpp
+++ b/core/multimedia/opieplayer/libmad/libmadplugin.cpp
@@ -66,25 +66,26 @@ extern "C" {
//#define MPEG_BUFFER_SIZE 32768 //16384 // 8192
//#define debugMsg(a) qDebug(a)
#define debugMsg(a)
class Input {
public:
char const *path;
int fd;
#if defined(HAVE_MMAP)
void *fdm;
#endif
- unsigned char *data;
+ unsigned long fileLength;
+ unsigned char *data;
unsigned long length;
int eof;
};
class Output {
public:
mad_fixed_t attenuate;
struct filter *filters;
unsigned int channels_in;
unsigned int channels_out;
unsigned int speed_in;
@@ -444,29 +445,34 @@ bool LibMadPlugin::open( const QString& path ) {
}
} else {
d->input.path = path.latin1();
d->input.fd = ::open( d->input.path, O_RDONLY );
// thats a better place, since it should only seek for ID3 tags on mp3 files, not streams
printID3Tags();
}
if (d->input.fd == -1) {
qDebug("error opening %s", d->input.path );
return FALSE;
}
-#if defined(HAVE_MMAP)
struct stat stat;
if (fstat(d->input.fd, &stat) == -1) {
- //qDebug("error calling fstat"); return FALSE;
+ qDebug("error calling fstat"); return FALSE;
}
+ if (S_ISREG(stat.st_mode) && stat.st_size > 0)
+ d->input.fileLength = stat.st_size;
+ else
+ d->input.fileLength = 0;
+
+#if defined(HAVE_MMAP)
if (S_ISREG(stat.st_mode) && stat.st_size > 0) {
d->input.length = stat.st_size;
d->input.fdm = map_file(d->input.fd, &d->input.length);
if (d->input.fdm == 0) {
qDebug("error mmapping file"); return FALSE;
}
d->input.data = (unsigned char *)d->input.fdm;
}
#endif
if (d->input.data == 0) {
d->input.data = (unsigned char *)malloc( bufferSize /*MPEG_BUFFER_SIZE*/);
@@ -546,37 +552,65 @@ int LibMadPlugin::audioChannels( int ) {
}
int LibMadPlugin::audioFrequency( int ) {
debugMsg( "LibMadPlugin::audioFrequency" );
long t; short t1[5]; audioReadSamples( t1, 2, 1, t, 0 );
qDebug( "LibMadPlugin::audioFrequency: %i", d->frame.header.samplerate );
return d->frame.header.samplerate;
}
int LibMadPlugin::audioSamples( int ) {
- debugMsg( "LibMadPlugin::audioSamples" );
+ debugMsg( "LibMadPlugin::audioSamples" );
+
+ long t; short t1[5]; audioReadSamples( t1, 2, 1, t, 0 );
+ mad_header_decode( (struct mad_header *)&d->frame.header, &d->stream );
+/*
+ qDebug( "LibMadPlugin::audioSamples: %i*%i", d->frame.header.duration.seconds,
+ d->frame.header.samplerate );
+ return d->frame.header.duration.seconds * d->frame.header.samplerate;
+*/
+ if ( d->frame.header.bitrate == 0 )
+ return 0;
+ int samples = (d->input.fileLength / (d->frame.header.bitrate/8)) * d->frame.header.samplerate;
+
+ qDebug( "LibMadPlugin::audioSamples: %i * %i * 8 / %i", (int)d->input.fileLength,
+ (int)d->frame.header.samplerate, (int)d->frame.header.bitrate );
+ qDebug( "LibMadPlugin::audioSamples: %i", samples );
- // long t; short t1[5]; audioReadSamples( t1, 2, 1, t, 0 );
-// mad_header_decode( (struct mad_header *)&d->frame.header, &d->stream );
-// qDebug( "LibMadPlugin::audioSamples: %i*%i", d->frame.header.duration.seconds, d->frame.header.samplerate );
-// return d->frame.header.duration.seconds * d->frame.header.samplerate;
+ return samples;
- return 10000000;
+// return 10000000;
}
bool LibMadPlugin::audioSetSample( long, int ) {
debugMsg( "LibMadPlugin::audioSetSample" );
+
+// long totalSamples = audioSamples(0);
+// if ( totalSamples <= 1 )
+// return FALSE;
+
+// // Seek to requested position
+// qDebug( "seek pos: %i", (int)((double)pos * d->input.fileLength / totalSamples) );
+// ::lseek( d->input.fd, (long)((double)pos * d->input.fileLength / totalSamples), SEEK_SET );
+// mad_stream_sync(&d->stream);
+
+// mad_stream_init(&d->stream);
+// mad_frame_init(&d->frame);
+// mad_synth_init(&d->synth);
+
+// return TRUE;
+ debugMsg( "LibMadPlugin::audioSetSample" );
return FALSE;
}
long LibMadPlugin::audioGetSample( int ) {
debugMsg( "LibMadPlugin::audioGetSample" );
return 0;
}
/*
bool LibMadPlugin::audioReadSamples( short *, int, long, int ) {
debugMsg( "LibMadPlugin::audioReadSamples" );