mirror of
https://github.com/pspdev/pspsdk.git
synced 2026-01-02 22:00:23 +00:00
first commit
This commit is contained in:
Dan Peori
16
src/samples/mp3/Makefile.sample
Executable file
16
src/samples/mp3/Makefile.sample
Executable file
@@ -0,0 +1,16 @@
|
||||
PSPSDK = $(shell psp-config --pspsdk-path)
|
||||
PSPLIBSDIR = $(PSPSDK)/..
|
||||
TARGET = mp3sample
|
||||
OBJS = main.o
|
||||
LIBS = -lpspaudio -lpspmp3
|
||||
|
||||
BUILD_PRX = 1
|
||||
|
||||
CFLAGS = -O2 -G0 -Wall
|
||||
CXXFLAGS = $(CFLAGS) -fno-exceptions -fno-rtti
|
||||
ASFLAGS = $(CFLAGS)
|
||||
|
||||
EXTRA_TARGETS = EBOOT.PBP
|
||||
PSP_EBOOT_TITLE = Mp3 Sample
|
||||
|
||||
include $(PSPSDK)/lib/build.mak
|
||||
335
src/samples/mp3/main.c
Executable file
335
src/samples/mp3/main.c
Executable file
@@ -0,0 +1,335 @@
|
||||
/*
|
||||
* PSP Software Development Kit - http://www.pspdev.org
|
||||
* -----------------------------------------------------------------------
|
||||
* Licensed under the BSD license, see LICENSE in PSPSDK root for details.
|
||||
*
|
||||
* main.c - Sample to demonstrate proper use of the mp3 library
|
||||
*
|
||||
* Copyright (c) 2008 Alexander Berl <raphael@fx-world.org>
|
||||
*
|
||||
* $Id: $
|
||||
*/
|
||||
#include <pspkernel.h>
|
||||
#include <pspdebug.h>
|
||||
#include <pspctrl.h>
|
||||
#include <pspdisplay.h>
|
||||
#include <stdio.h>
|
||||
#include <pspaudio.h>
|
||||
#include <pspmp3.h>
|
||||
#include <psputility.h>
|
||||
|
||||
|
||||
/* Define the module info section */
|
||||
PSP_MODULE_INFO("Mp3Test", 0, 0, 1);
|
||||
PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER);
|
||||
PSP_HEAP_SIZE_KB(-1024);
|
||||
|
||||
#define MP3FILE "ms0:/MUSIC/Test.mp3"
|
||||
|
||||
/* Define printf, just to make typing easier */
|
||||
#define printf pspDebugScreenPrintf
|
||||
|
||||
static int isrunning = 1;
|
||||
/* Exit callback */
|
||||
int exit_callback(int arg1, int arg2, void *common)
|
||||
{
|
||||
isrunning = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Callback thread */
|
||||
int CallbackThread(SceSize args, void *argp)
|
||||
{
|
||||
int cbid;
|
||||
cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
|
||||
sceKernelRegisterExitCallback(cbid);
|
||||
sceKernelSleepThreadCB();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Sets up the callback thread and returns its thread id */
|
||||
int SetupCallbacks(void)
|
||||
{
|
||||
int thid = 0;
|
||||
thid = sceKernelCreateThread("update_thread", CallbackThread, 0x11, 0xFA0, 0, 0);
|
||||
if (thid >= 0)
|
||||
sceKernelStartThread(thid, 0, 0);
|
||||
return thid;
|
||||
}
|
||||
|
||||
|
||||
// Input and Output buffers
|
||||
char mp3Buf[16*1024] __attribute__((aligned(64)));
|
||||
short pcmBuf[16*(1152/2)] __attribute__((aligned(64)));
|
||||
|
||||
|
||||
// Macro to allow formatted input without having to use stdargs.h
|
||||
#define ERRORMSG(...) { char msg[128]; sprintf(msg,__VA_ARGS__); error(msg); }
|
||||
|
||||
// Print out an error message and quit after user input
|
||||
void error( char* msg )
|
||||
{
|
||||
SceCtrlData pad;
|
||||
pspDebugScreenClear();
|
||||
pspDebugScreenSetXY(0, 0);
|
||||
printf(msg);
|
||||
printf("Press X to quit.\n");
|
||||
while (isrunning)
|
||||
{
|
||||
sceCtrlReadBufferPositive(&pad, 1);
|
||||
if (pad.Buttons & PSP_CTRL_CROSS)
|
||||
break;
|
||||
sceDisplayWaitVblankStart();
|
||||
}
|
||||
sceKernelExitGame();
|
||||
}
|
||||
|
||||
int fillStreamBuffer( int fd, int handle )
|
||||
{
|
||||
char* dst;
|
||||
int write;
|
||||
int pos;
|
||||
// Get Info on the stream (where to fill to, how much to fill, where to fill from)
|
||||
int status = sceMp3GetInfoToAddStreamData( handle, &dst, &write, &pos);
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3GetInfoToAddStreamData returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
// Seek file to position requested
|
||||
status = sceIoLseek32( fd, pos, SEEK_SET );
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceIoLseek32 returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
// Read the amount of data
|
||||
int read = sceIoRead( fd, dst, write );
|
||||
if (read < 0)
|
||||
{
|
||||
ERRORMSG("ERROR: Could not read from file - 0x%08X\n", read);
|
||||
}
|
||||
|
||||
if (read==0)
|
||||
{
|
||||
// End of file?
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Notify mp3 library about how much we really wrote to the stream buffer
|
||||
status = sceMp3NotifyAddStreamData( handle, read );
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3NotifyAddStreamData returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
return (pos>0);
|
||||
}
|
||||
|
||||
/* main routine */
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
SceCtrlData pad;
|
||||
|
||||
//init screen and callbacks
|
||||
pspDebugScreenInit();
|
||||
pspDebugScreenClear();
|
||||
SetupCallbacks();
|
||||
|
||||
// Setup Pad
|
||||
sceCtrlSetSamplingCycle(0);
|
||||
sceCtrlSetSamplingMode(0);
|
||||
|
||||
// Load modules
|
||||
int status = sceUtilityLoadModule(PSP_MODULE_AV_AVCODEC);
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceUtilityLoadModule(PSP_MODULE_AV_AVCODEC) returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
status = sceUtilityLoadModule(PSP_MODULE_AV_MP3);
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceUtilityLoadModule(PSP_MODULE_AV_MP3) returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
// Open the input file
|
||||
int fd = sceIoOpen( MP3FILE, PSP_O_RDONLY, 0777 );
|
||||
if (fd<0)
|
||||
{
|
||||
ERRORMSG("ERROR: Could not open file '%s' - 0x%08X\n", MP3FILE, fd);
|
||||
}
|
||||
|
||||
// Init mp3 resources
|
||||
status = sceMp3InitResource();
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3InitResource returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
// Reserve a mp3 handle for our playback
|
||||
SceMp3InitArg mp3Init;
|
||||
mp3Init.mp3StreamStart = 0;
|
||||
mp3Init.mp3StreamEnd = sceIoLseek32( fd, 0, SEEK_END );
|
||||
mp3Init.unk1 = 0;
|
||||
mp3Init.unk2 = 0;
|
||||
mp3Init.mp3Buf = mp3Buf;
|
||||
mp3Init.mp3BufSize = sizeof(mp3Buf);
|
||||
mp3Init.pcmBuf = pcmBuf;
|
||||
mp3Init.pcmBufSize = sizeof(pcmBuf);
|
||||
|
||||
int handle = sceMp3ReserveMp3Handle( &mp3Init );
|
||||
if (handle<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3ReserveMp3Handle returned 0x%08X\n", handle);
|
||||
}
|
||||
|
||||
// Fill the stream buffer with some data so that sceMp3Init has something to work with
|
||||
fillStreamBuffer( fd, handle );
|
||||
|
||||
status = sceMp3Init( handle );
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3Init returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
int channel = -1;
|
||||
int samplingRate = sceMp3GetSamplingRate( handle );
|
||||
int numChannels = sceMp3GetMp3ChannelNum( handle );
|
||||
int lastDecoded = 0;
|
||||
int volume = PSP_AUDIO_VOLUME_MAX;
|
||||
int numPlayed = 0;
|
||||
int paused = 0;
|
||||
int lastButtons = 0;
|
||||
int loop = 0;
|
||||
while (isrunning)
|
||||
{
|
||||
sceDisplayWaitVblankStart();
|
||||
pspDebugScreenSetXY(0, 0);
|
||||
printf("PSP Mp3 Sample v1.0 by Raphael\n\n");
|
||||
printf("Playing '%s'...\n", MP3FILE);
|
||||
printf(" %i Hz\n", samplingRate);
|
||||
printf(" %i kbit/s\n", sceMp3GetBitRate( handle ));
|
||||
printf(" %s\n", numChannels==2?"Stereo":"Mono");
|
||||
printf(" %s\n\n", loop==0?"No loop":"Loop");
|
||||
int playTime = samplingRate>0?numPlayed / samplingRate:0;
|
||||
printf(" Playtime: %02i:%02i\n", playTime/60, playTime%60 );
|
||||
printf("\n\n\nPress CIRCLE to Pause/Resume playback\nPress TRIANGLE to reset playback\nPress CROSS to switch loop mode\nPress SQUARE to stop playback and quit\n");
|
||||
|
||||
if (!paused)
|
||||
{
|
||||
// Check if we need to fill our stream buffer
|
||||
if (sceMp3CheckStreamDataNeeded( handle )>0)
|
||||
{
|
||||
fillStreamBuffer( fd, handle );
|
||||
}
|
||||
|
||||
// Decode some samples
|
||||
short* buf;
|
||||
int bytesDecoded;
|
||||
int retries = 0;
|
||||
// We retry in case it's just that we reached the end of the stream and need to loop
|
||||
for (;retries<1;retries++)
|
||||
{
|
||||
bytesDecoded = sceMp3Decode( handle, &buf );
|
||||
if (bytesDecoded>0)
|
||||
break;
|
||||
|
||||
if (sceMp3CheckStreamDataNeeded( handle )<=0)
|
||||
break;
|
||||
|
||||
if (!fillStreamBuffer( fd, handle ))
|
||||
{
|
||||
numPlayed = 0;
|
||||
}
|
||||
}
|
||||
if (bytesDecoded<0 && bytesDecoded!=0x80671402)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3Decode returned 0x%08X\n", bytesDecoded);
|
||||
}
|
||||
|
||||
// Nothing more to decode? Must have reached end of input buffer
|
||||
if (bytesDecoded==0 || bytesDecoded==0x80671402)
|
||||
{
|
||||
paused = 1;
|
||||
sceMp3ResetPlayPosition( handle );
|
||||
numPlayed = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
// Reserve the Audio channel for our output if not yet done
|
||||
if (channel<0 || lastDecoded!=bytesDecoded)
|
||||
{
|
||||
if (channel>=0)
|
||||
sceAudioSRCChRelease();
|
||||
|
||||
channel = sceAudioSRCChReserve( bytesDecoded/(2*numChannels), samplingRate, numChannels );
|
||||
}
|
||||
// Output the decoded samples and accumulate the number of played samples to get the playtime
|
||||
numPlayed += sceAudioSRCOutputBlocking( volume, buf );
|
||||
}
|
||||
}
|
||||
|
||||
sceCtrlPeekBufferPositive(&pad, 1);
|
||||
|
||||
if (pad.Buttons!=lastButtons)
|
||||
{
|
||||
if (pad.Buttons & PSP_CTRL_CIRCLE)
|
||||
{
|
||||
paused ^= 1;
|
||||
}
|
||||
|
||||
if (pad.Buttons & PSP_CTRL_TRIANGLE)
|
||||
{
|
||||
// Reset the stream and playback status
|
||||
sceMp3ResetPlayPosition( handle );
|
||||
numPlayed = 0;
|
||||
}
|
||||
|
||||
if (pad.Buttons & PSP_CTRL_CROSS)
|
||||
{
|
||||
loop = (loop==0?-1:0);
|
||||
status = sceMp3SetLoopNum( handle, loop );
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3SetLoopNum returned 0x%08X\n", status);
|
||||
}
|
||||
}
|
||||
|
||||
if (pad.Buttons & PSP_CTRL_SQUARE)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
lastButtons = pad.Buttons;
|
||||
}
|
||||
}
|
||||
|
||||
// Cleanup time...
|
||||
if (channel>=0)
|
||||
sceAudioSRCChRelease();
|
||||
|
||||
status = sceMp3ReleaseMp3Handle( handle );
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3ReleaseMp3Handle returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
status = sceMp3TermResource();
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceMp3TermResource returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
status = sceIoClose( fd );
|
||||
if (status<0)
|
||||
{
|
||||
ERRORMSG("ERROR: sceIoClose returned 0x%08X\n", status);
|
||||
}
|
||||
|
||||
sceKernelExitGame();
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user