/*
* \brief Play MP3 stream.
*
* \param stream Socket stream to read MP3 data from.
*/
void PlayMp3Stream(FILE *stream, u_long metaint) {
size_t rbytes;
u_char *mp3buf;
u_char ief;
int got = 0;
u_long last;
u_long mp3left = metaint;
/*
* Initialize the MP3 buffer. The NutSegBuf routines provide a global
* system buffer, which works with banked and non-banked systems.
*/
if (NutSegBufInit(8192) == 0) {
puts("Error: MP3 buffer init failed");
return;
}
/*
* Initialize the MP3 decoder hardware.
*/
if (VsPlayerInit() || VsPlayerReset(0)) {
puts("Error: MP3 hardware init failed");
return;
}
VsSetVolume(0, 0);
/*
* Reset the MP3 buffer.
*/
ief = VsPlayerInterrupts(0);
NutSegBufReset();
VsPlayerInterrupts(ief);
last = NutGetSeconds();
for (; ;) {
if(STOP_THREAD){
STOP_THREAD = 0;
return;
}
/*
* Query number of byte available in MP3 buffer.
*/
ief = VsPlayerInterrupts(0);
mp3buf = NutSegBufWriteRequest(&rbytes);
VsPlayerInterrupts(ief);
/*
* If the player is not running, kick it.
*/
if (VsGetStatus() != VS_STATUS_RUNNING) {
if (rbytes < 1024 || NutGetSeconds() - last > 4UL) {
last = NutGetSeconds();
puts("Kick player");
VsPlayerKick();
}
}
/*
* Do not read pass metadata.
*/
if (metaint && rbytes > mp3left) {
rbytes = mp3left;
}
/*
* Read data directly into the MP3 buffer.
*/
while (rbytes) {
if ((got = fread(mp3buf, 1, rbytes, stream)) > 0) {
ief = VsPlayerInterrupts(0);
mp3buf = NutSegBufWriteCommit(got);
VsPlayerInterrupts(ief);
if (metaint) {
mp3left -= got;
if (mp3left == 0) {
ProcessMetaData(stream);
mp3left = metaint;
}
}
if (got < rbytes && got < 512) {
printf("%lu buffered\n", NutSegBufUsed());
NutSleep(250);
}
else {
NutThreadYield();
}
} else {
break;
}
rbytes -= got;
}
if (got <= 0) {
break;
}
NutSleep(100);
}
}
THREAD(StreamPlayer, arg)
{
FILE *stream = (FILE *)arg;
size_t rbytes = 0;
char *mp3buf;
int result = NOK;
int nrBytesRead = 0;
unsigned char iflag;
//
// Init MP3 buffer. NutSegBuf is een globale, systeem buffer
//
if (0 != NutSegBufInit(8192))
{
// Reset global buffer
iflag = VsPlayerInterrupts(0);
NutSegBufReset();
VsPlayerInterrupts(iflag);
result = OK;
}
// Init the Vs1003b hardware
if (OK == result)
{
if (-1 == VsPlayerInit())
{
if (-1 == VsPlayerReset(0))
{
result = NOK;
}
}
}
for (;;)
{
/*
* Query number of byte available in MP3 buffer.
*/
iflag = VsPlayerInterrupts(0);
mp3buf = NutSegBufWriteRequest(&rbytes);
VsPlayerInterrupts(iflag);
// Bij de eerste keer: als player niet draait maak player wakker (kickit)
if (VS_STATUS_RUNNING != VsGetStatus())
{
if (rbytes < 1024)
{
printf("VsPlayerKick()\n");
VsPlayerKick();
}
}
while (rbytes)
{
// Copy rbytes (van 1 byte) van stream naar mp3buf.
nrBytesRead = fread(mp3buf, 1, rbytes, stream);
if (nrBytesRead > 0)
{
iflag = VsPlayerInterrupts(0);
mp3buf = NutSegBufWriteCommit(nrBytesRead);
VsPlayerInterrupts(iflag);
if (nrBytesRead < rbytes && nrBytesRead < 512)
{
NutSleep(250);
}
}
else
{
break;
}
rbytes -= nrBytesRead;
if (nrBytesRead <= 0)
{
break;
}
}
}
}
