Add CDDA playback example
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hello_cdda/Makefile
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hello_cdda/Makefile
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TARGET = hello_cdda
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SRCS = hello_cdda.c \
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include ../common.mk
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include ../thirdparty/nugget/common.mk \
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hello_cdda/README.md
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hello_cdda/README.md
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## Creating the disk image
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You need [mkpsxiso](https://github.com/Lameguy64/mkpsxiso) in your $PATH and type in a command line :
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```bash
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mkpsxiso -y isoconfig.xml
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```
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## Using ffmpeg to generate a CDDA compliant Wav file
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Needed Specification : `RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, stereo 44100 Hz`
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### Conversion
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```bash
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ffmpeg -i input.mp3 -acodec pcm_s16le -ac 2 -ar 44100 output.wav
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```
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### Merging two mono audio channels into one stereo channel
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```bash
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ffmpeg -i herb.wav.new -filter_complex "[0:a][0:a]amerge=inputs=2[a]" -map "[a]" herbi.wav
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```
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## Music credits
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Track 1 :
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Beach Party by Kevin MacLeod
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Link: https://incompetech.filmmusic.io/song/3429-beach-party
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License: https://filmmusic.io/standard-license
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Track 2:
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Funk Game Loop by Kevin MacLeod
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Link: https://incompetech.filmmusic.io/song/3787-funk-game-loop
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License: https://filmmusic.io/standard-license
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BIN
hello_cdda/audio/beach.wav
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BIN
hello_cdda/audio/beach.wav
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Binary file not shown.
BIN
hello_cdda/audio/funk.wav
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BIN
hello_cdda/audio/funk.wav
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Binary file not shown.
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hello_cdda/hello_cdda.c
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hello_cdda/hello_cdda.c
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// CDDA track playing example
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// based on Lameguy64's tutorial : http://lameguy64.net/svn/pstutorials/chapter1/1-display.html
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#include <sys/types.h>
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#include <stdio.h>
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#include <libgte.h>
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#include <libetc.h>
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#include <libgpu.h>
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// CD library
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#include <libds.h>
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// SPU library
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#include <libspu.h>
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#define VMODE 0 // Video Mode : 0 : NTSC, 1: PAL
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#define SCREENXRES 320 // Screen width
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#define SCREENYRES 240 + (VMODE << 4) // Screen height : If VMODE is 0 = 240, if VMODE is 1 = 256
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#define CENTERX SCREENXRES/2 // Center of screen on x
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#define CENTERY SCREENYRES/2 // Center of screen on y
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#define MARGINX 0 // margins for text display
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#define MARGINY 32
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#define FONTSIZE 8 * 7 // Text Field Height
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DISPENV disp[2]; // Double buffered DISPENV and DRAWENV
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DRAWENV draw[2];
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short db = 0; // index of which buffer is used, values 0, 1
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// SPU attributes
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SpuCommonAttr spuSettings;
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// CD tracks
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int playing = -1;
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int tracks[] = {2, 0}; // Track to play , 1 is data, 2 is beach.wav, 3 is funk.wav. See isoconfig.xml
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void init(void)
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{
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ResetGraph(0); // Initialize drawing engine with a complete reset (0)
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SetDefDispEnv(&disp[0], 0, 0 , SCREENXRES, SCREENYRES); // Set display area for both &disp[0] and &disp[1]
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SetDefDispEnv(&disp[1], 0, SCREENYRES, SCREENXRES, SCREENYRES); // &disp[0] is on top of &disp[1]
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SetDefDrawEnv(&draw[0], 0, SCREENYRES, SCREENXRES, SCREENYRES); // Set draw for both &draw[0] and &draw[1]
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SetDefDrawEnv(&draw[1], 0, 0 , SCREENXRES, SCREENYRES); // &draw[0] is below &draw[1]
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// Set video mode
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if (VMODE){ SetVideoMode(MODE_PAL);}
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SetDispMask(1); // Display on screen
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setRGB0(&draw[0], 50, 50, 50); // set color for first draw area
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setRGB0(&draw[1], 50, 50, 50); // set color for second draw area
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draw[0].isbg = 1; // set mask for draw areas. 1 means repainting the area with the RGB color each frame
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draw[1].isbg = 1;
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PutDispEnv(&disp[db]); // set the disp and draw environnments
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PutDrawEnv(&draw[db]);
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FntLoad(960, 0); // Load font to vram at 960,0(+128)
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FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 ); // FntOpen(x, y, width, height, black_bg, max. nbr. chars
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}
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void display(void)
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{
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DrawSync(0); // Wait for all drawing to terminate
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VSync(0); // Wait for the next vertical blank
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PutDispEnv(&disp[db]); // set alternate disp and draw environnments
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PutDrawEnv(&draw[db]);
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db = !db; // flip db value (0 or 1)
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}
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int main(void)
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{
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init(); // init() display
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// Init extended CD system
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DsInit();
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// Init Spu
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SpuInit();
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// Set master & CD volume to max
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spuSettings.mask = (SPU_COMMON_MVOLL | SPU_COMMON_MVOLR | SPU_COMMON_CDVOLL | SPU_COMMON_CDVOLR | SPU_COMMON_CDMIX);
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spuSettings.mvol.left = 0x7FFF;
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spuSettings.mvol.right = 0x7FFF;
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spuSettings.cd.volume.left = 0x7FFF;
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spuSettings.cd.volume.right = 0x7FFF;
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// Enable CD input ON
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spuSettings.cd.mix = SPU_ON;
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// Apply settings
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SpuSetCommonAttr(&spuSettings);
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// Set transfer mode
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SpuSetTransferMode(SPU_TRANSFER_BY_DMA);
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int count = 0;
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int flip = 0;
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while (1) // infinite loop
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{
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if ( count == 0){
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DsPlay(2, tracks, 0);
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}
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count ++;
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// Afer 5 seconds
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if ( count == 300 ){
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// Stop playback
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DsPlay(0, tracks, 0);
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}
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// Wait one second
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if ( count == 360 ){
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// Flip value
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flip = !flip;
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// Switch track (can be 2 or 3)
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tracks[0] = 2 + flip;
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// Reset counter
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count = 0;
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}
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FntPrint("Hello CDDA !\n"); // Send string to print stream
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FntPrint("Playback status: %d", DsPlay(3, tracks, 0)); // Send string to print stream
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FntFlush(-1); // Draw printe stream
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display(); // Execute display()
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}
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return 0;
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}
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hello_cdda/isoconfig.xml
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hello_cdda/isoconfig.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!-- MKPSXISO example XML script -->
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<!-- <iso_project>
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Starts an ISO image project to build. Multiple <iso_project> elements may be
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specified within the same xml script which useful for multi-disc projects.
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<iso_project> elements must contain at least one <track> element.
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Attributes:
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image_name - File name of the ISO image file to generate.
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cue_sheet - Optional, file name of the cue sheet for the image file
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(required if more than one track is specified).
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-->
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<iso_project image_name="disk.bin" cue_sheet="disk.cue">
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<!-- <track>
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Specifies a track to the ISO project. This example element creates a data
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track for storing data files and CD-XA/STR streams.
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Only one data track is allowed and data tracks must only be specified as the
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first track in the ISO image and cannot be specified after an audio track.
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Attributes:
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type - Track type (either data or audio).
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source - For audio tracks only, specifies the file name of a wav audio
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file to use for the audio track.
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-->
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<track type="data">
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<!-- <identifiers>
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Optional, Specifies the identifier strings to use for the data track.
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Attributes:
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system - Optional, specifies the system identifier (PLAYSTATION if unspecified).
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application - Optional, specifies the application identifier (PLAYSTATION if unspecified).
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volume - Optional, specifies the volume identifier.
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volume_set - Optional, specifies the volume set identifier.
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publisher - Optional, specifies the publisher identifier.
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data_preparer - Optional, specifies the data preparer identifier. If unspecified, MKPSXISO
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will fill it with lengthy text telling that the image file was generated
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using MKPSXISO.
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-->
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<identifiers
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system ="PLAYSTATION"
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application ="PLAYSTATION"
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volume ="HELOCD"
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volume_set ="HELOCD"
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publisher ="SCHNAPPY"
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data_preparer ="MKPSXISO"
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/>
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<!-- <license>
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Optional, specifies the license file to use, the format of the license file must be in
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raw 2336 byte sector format, like the ones included with the PsyQ SDK in psyq\cdgen\LCNSFILE.
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License data is not included within the MKPSXISO program to avoid possible legal problems
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in the open source environment... Better be safe than sorry.
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Attributes:
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file - Specifies the license file to inject into the ISO image.
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-->
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<!--
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<license file="LICENSEA.DAT"/>
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-->
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<!-- <directory_tree>
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Specifies and contains the directory structure for the data track.
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Attributes:
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None.
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-->
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<directory_tree>
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<!-- <file>
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Specifies a file in the directory tree.
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Attributes:
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name - File name to use in the directory tree (can be used for renaming).
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type - Optional, type of file (data for regular files and is the default, xa for
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XA audio and str for MDEC video).
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source - File name of the source file.
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-->
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<!-- Stores system.txt as system.cnf -->
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<file name="system.cnf" type="data" source="system.cnf"/>
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<file name="SCES_313.37" type="data" source="hello_cdda.ps-exe"/>
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<dummy sectors="1024"/>
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<!-- <dir>
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Specifies a directory in the directory tree. <file> and <dir> elements inside the element
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will be inside the specified directory.
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-->
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</directory_tree>
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</track>
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<!--
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Track 1 :
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Beach Party by Kevin MacLeod
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Link: https://incompetech.filmmusic.io/song/3429-beach-party
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License: https://filmmusic.io/standard-license
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Track 2:
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Funk Game Loop by Kevin MacLeod
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Link: https://incompetech.filmmusic.io/song/3787-funk-game-loop
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License: https://filmmusic.io/standard-license
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-->
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<track type="audio" source="audio/beach.wav"/>
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<track type="audio" source="audio/funk.wav"/>
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</iso_project>
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4
hello_cdda/system.cnf
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hello_cdda/system.cnf
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BOOT=cdrom:\SCES_313.37;1
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TCB=4
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EVENT=10
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STACK=801FFFF0
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