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Merge branch 'directory'

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This commit is contained in:
Mahyar Koshkouei
2017-01-01 14:17:52 +00:00
parent 19b96191de ba680fb63a
commit 4d6dec24a0
9 changed files with 458 additions and 276 deletions
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2
Makefile
View File

@@ -49,7 +49,7 @@ SOURCE_DIRS := source
EXTRA_OUTPUT_FILES :=
LIBRARY_DIRS := $(DEVKITPRO)/libctru $(DEVKITPRO)/portlibs/armv6k
LIBRARIES := ctru opusfile opus ogg m
LIBRARIES := sftd freetype opusfile opus ogg sf2d citro3d ctru m
BUILD_FLAGS :=
RUN_FLAGS :=

12
source/all.h Normal file
View File

@@ -0,0 +1,12 @@
#include <errno.h>
/* Channel to play music on */
#define CHANNEL 0x08
/* Adds extra debugging text */
#define DEBUG 0
/* Prints more error information */
#define err_print(err) \
do { fprintf(stderr, "\nError %d:%s(): %s %s\n", __LINE__, __func__, \
err, strerror(errno)); } while (0)

12
source/flac.c
View File

@@ -2,9 +2,9 @@
#define DR_FLAC_IMPLEMENTATION
#include <./dr_libs/dr_flac.h>
#include "all.h"
#define SAMPLES_TO_READ (16 * 1024)
#define CHANNEL 0x08
int playFlac(const char* in)
{
@@ -74,15 +74,13 @@ int playFlac(const char* in)
break;
if(kDown & (KEY_A | KEY_R))
playing = !playing;
if(playing == false || lastbuf == true)
{
printf("\33[2K\rPaused");
continue;
playing = !playing;
printf("\33[2K\r%s", playing == false ? "Paused" : "");
}
printf("\33[2K\r");
if(playing == false || lastbuf == true)
continue;
if(waveBuf[0].status == NDSP_WBUF_DONE)
{

467
source/main.c
View File

@@ -9,27 +9,22 @@
#include <3ds.h>
#include <dirent.h>
#include <errno.h>
#include <opus/opusfile.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "all.h"
#include "flac.h"
#include "main.h"
#include "opus.h"
#include "flac.h"
#include "wav.h"
#define BUFFER_SIZE (16 * 1024)
#define AUDIO_FOLDER "sdmc:/MUSIC/"
#define CHANNEL 0x08
/* Adds extra debugging text */
#define DEBUG 0
#define err_print(err) \
do { fprintf(stderr, "\nError %d:%s(): %s %s\n", __LINE__, __func__, \
err, strerror(errno)); } while (0)
/* Default folder */
#define DEFAULT_DIR "sdmc:/"
/* Maximum number of lines that can be displayed */
#define MAX_LIST 28
enum file_types {
FILE_TYPE_ERROR = -1,
@@ -41,41 +36,29 @@ enum file_types {
int main(int argc, char **argv)
{
DIR *dp;
struct dirent *ep;
PrintConsole topScreen;
PrintConsole bottomScreen;
u8 fileMax = 0;
u8 fileNum = 1;
int fileMax;
int fileNum = 0;
int from = 0;
gfxInitDefault();
consoleInit(GFX_TOP, &topScreen);
consoleInit(GFX_BOTTOM, &bottomScreen);
consoleSelect(&bottomScreen);
chdir(DEFAULT_DIR);
chdir("MUSIC");
if(listDir(from, MAX_LIST, 0) < 0)
{
err_print("Unable to list directory.");
goto err;
}
fileMax = getNumberFiles();
consoleSelect(&topScreen);
puts("Scanning audio directory.");
dp = opendir(AUDIO_FOLDER);
if(dp != NULL)
{
while((ep = readdir(dp)) != NULL)
printf("%d: %s\n", ++fileMax, ep->d_name);
if(closedir(dp) != 0)
err_print("Closing directory failed.");
}
else
{
err_print("Opening directory failed.");
goto out;
}
if(fileMax == 0)
{
err_print("No files in audio folder.");
goto out;
}
puts("Playlist");
consoleSelect(&bottomScreen);
/**
@@ -99,45 +82,108 @@ int main(int argc, char **argv)
if(kDown & KEY_START)
break;
if(kDown & KEY_UP)
if((kDown & KEY_UP) && fileNum > 0)
{
printf("\33[2K\rSelected file %d",
++fileNum > fileMax ? 1 : fileNum);
fileNum--;
if(fileMax - fileNum >= from && from != 0)
from--;
}
if(kDown & KEY_DOWN)
if((kDown & KEY_DOWN) && fileNum < fileMax)
{
printf("\33[2K\rSelected file %d",
--fileNum == 0 ? fileMax : fileNum);
fileNum++;
if(fileNum >= MAX_LIST && fileMax - fileNum >= 0)
from++;
}
if(fileNum == 0)
fileNum = fileMax;
else if(fileNum > fileMax)
fileNum = 1;
if(kDown & (KEY_DOWN | KEY_UP))
{
consoleClear();
if(listDir(from, MAX_LIST, fileNum) < 0)
{
err_print("Unable to list directory.");
}
}
/*
* Pressing B goes up a folder, as well as pressing A or R when ".."
* is selected.
*/
if((kDown & KEY_B) ||
((kDown & (KEY_A | KEY_R)) && (from == 0 && fileNum == 0)))
{
if(chdir("..") != 0)
err_print("chdir");
fileMax = getNumberFiles();
consoleClear();
if(listDir(from, MAX_LIST, fileNum) < 0)
{
err_print("Unable to list directory.");
}
continue;
}
if(kDown & (KEY_A | KEY_R))
{
u8 audioFileNum = 0;
dp = opendir(AUDIO_FOLDER);
char* file = NULL;
int audioFileNum = 0;
DIR *dp;
struct dirent *ep;
char* wd = getcwd(NULL, 0);
if (dp != NULL)
/* TODO: Error out properly */
if(wd == NULL)
{
err_print("wd");
goto err;
}
dp = opendir(wd);
if(dp != NULL)
{
char* file = NULL;
while((ep = readdir(dp)) != NULL)
{
audioFileNum++;
if(audioFileNum == fileNum)
if(audioFileNum == fileNum - 1)
break;
audioFileNum++;
}
if(asprintf(&file, "%s%s", AUDIO_FOLDER, ep->d_name) == -1)
if(ep->d_type == DT_DIR)
{
/* file not allocated yet, so no need to clear it */
if(chdir(ep->d_name) != 0)
err_print("chdir");
fileNum = 0;
from = 0;
consoleClear();
fileMax = getNumberFiles();
if(listDir(from, MAX_LIST, fileNum) < 0)
{
err_print("Unable to list directory.");
}
closedir(dp);
free(wd);
continue;
}
if(asprintf(&file, "%s%s", wd, ep->d_name) == -1)
{
err_print("Constructing file name failed.");
file = NULL;
}
else
{
consoleSelect(&topScreen);
switch(getFileType(file))
{
case FILE_TYPE_WAV:
@@ -153,17 +199,21 @@ int main(int argc, char **argv)
break;
default:
consoleSelect(&bottomScreen);
printf("Unsupported File type.\n");
}
}
consoleSelect(&bottomScreen);
free(file);
free(wd);
if(closedir(dp) != 0)
err_print("Closing directory failed.");
}
else
err_print("Unable to open directory.");
free(file);
}
}
@@ -172,6 +222,111 @@ out:
gfxExit();
return 0;
err:
puts("A fatal error occurred. Press START to exit.");
while(true)
{
u32 kDown;
hidScanInput();
kDown = hidKeysDown();
if(kDown & KEY_START)
break;
}
goto out;
}
/**
* List current directory.
*
* \param from First entry in directory to list.
* \param max Maximum number of entries to list. Must be > 0.
* \param select File to show as selected. Must be > 0.
* \return Number of entries listed or negative on error.
*/
int listDir(int from, int max, int select)
{
DIR *dp;
struct dirent *ep;
int fileNum = 0;
int listed = 0;
char* wd = getcwd(NULL, 0);
if(wd == NULL)
goto err;
printf("Dir: %.30s\n", wd);
if((dp = opendir(wd)) == NULL)
goto err;
if(from == 0)
printf("%c../\n", select == 0 ? '>' : ' ');
while((ep = readdir(dp)) != NULL)
{
fileNum++;
if(fileNum <= from)
continue;
if(fileNum == max + from)
break;
listed++;
printf("%c%.38s%s\n",
select == fileNum ? '>' : ' ',
ep->d_name,
ep->d_type == DT_DIR ? "/" : "");
}
if(closedir(dp) != 0)
goto err;
out:
free(wd);
return listed;
err:
listed = -1;
goto out;
}
/**
* Get number of files in current working folder
*
* \return Number of files in current working folder, -1 on failure with
* errno set.
*/
int getNumberFiles(void)
{
DIR *dp;
struct dirent *ep;
char* wd = getcwd(NULL, 0);
int ret = 0;
if(wd == NULL)
goto err;
if((dp = opendir(wd)) == NULL)
goto err;
while((ep = readdir(dp)) != NULL)
ret++;
closedir(dp);
out:
return ret;
err:
ret = -1;
goto out;
}
/**
@@ -250,195 +405,3 @@ int getFileType(const char *file)
fclose(ftest);
return file_type;
}
/**
* Plays a WAV file.
*
* \param file File location of WAV file.
* \return Zero if successful, else failure.
*/
int playWav(const char *wav)
{
FILE* file = fopen(wav, "rb");
char header[45];
u32 sample;
u8 format;
u8 channels;
u8 bitness;
u32 byterate; // TODO: Not used.
u32 blockalign;
s16* buffer1 = NULL;
s16* buffer2 = NULL;
ndspWaveBuf waveBuf[2];
bool playing = true;
bool lastbuf = false;
if(R_FAILED(ndspInit()))
{
err_print("Initialising ndsp failed.");
goto out;
}
// TODO: Check if this is required.
ndspSetOutputMode(NDSP_OUTPUT_STEREO);
if(file == NULL)
{
err_print("Opening file failed.");
goto out;
}
/* TODO: No need to read the first number of bytes */
if(fread(header, 1, 44, file) == 0)
{
err_print("Unable to read WAV file.");
goto out;
}
/**
* http://www.topherlee.com/software/pcm-tut-wavformat.html and
* http://soundfile.sapp.org/doc/WaveFormat/ helped a lot.
*/
format = (header[19]<<8) + (header[20]);
channels = (header[23]<<8) + (header[22]);
sample = (header[27]<<24) + (header[26]<<16) + (header[25]<<8) +
(header[24]);
byterate = (header[31]<<24) + (header[30]<<16) + (header[29]<<8) +
(header[28]);
blockalign = (header[33]<<8) + (header[32]);
bitness = (header[35]<<8) + (header[34]);
printf("Format: %s(%d), Ch: %d, Sam: %lu, bit: %d, BR: %lu, BA: %lu\n",
format == 1 ? "PCM" : "Other", format, channels, sample, bitness,
byterate, blockalign);
if(channels > 2)
{
puts("Error: Invalid number of channels.");
goto out;
}
/**
* Playing ADPCM, and 8 bit WAV files are disabled as they both sound like
* complete garbage.
*/
switch(bitness)
{
case 8:
bitness = channels == 2 ? NDSP_FORMAT_STEREO_PCM8 :
NDSP_FORMAT_MONO_PCM8;
puts("8bit playback disabled.");
goto out;
case 16:
bitness = channels == 2 ? NDSP_FORMAT_STEREO_PCM16 :
NDSP_FORMAT_MONO_PCM16;
break;
default:
printf("Bitness of %d unsupported.\n", bitness);
goto out;
}
ndspChnReset(CHANNEL);
ndspChnWaveBufClear(CHANNEL);
/* Polyphase sounds much better than linear or no interpolation */
ndspChnSetInterp(CHANNEL, NDSP_INTERP_POLYPHASE);
ndspChnSetRate(CHANNEL, sample);
ndspChnSetFormat(CHANNEL, bitness);
memset(waveBuf, 0, sizeof(waveBuf));
buffer1 = (s16*) linearAlloc(BUFFER_SIZE);
buffer2 = (s16*) linearAlloc(BUFFER_SIZE);
fread(buffer1, 1, BUFFER_SIZE, file);
waveBuf[0].nsamples = BUFFER_SIZE / blockalign;
waveBuf[0].data_vaddr = &buffer1[0];
ndspChnWaveBufAdd(CHANNEL, &waveBuf[0]);
fread(buffer2, 1, BUFFER_SIZE, file);
waveBuf[1].nsamples = BUFFER_SIZE / blockalign;
waveBuf[1].data_vaddr = &buffer2[0];
ndspChnWaveBufAdd(CHANNEL, &waveBuf[1]);
printf("Playing %s\n", wav);
/**
* There may be a chance that the music has not started by the time we get
* to the while loop. So we ensure that music has started here.
*/
while(ndspChnIsPlaying(CHANNEL) == false);
while(playing == false || ndspChnIsPlaying(CHANNEL) == true)
{
u32 kDown;
/* Number of bytes read from file.
* Static only for the purposes of the printf debug at the bottom.
*/
static size_t read = 0;
gfxSwapBuffers();
gfxFlushBuffers();
gspWaitForVBlank();
hidScanInput();
kDown = hidKeysDown();
if(kDown & KEY_B)
break;
if(kDown & (KEY_A | KEY_R))
playing = !playing;
if(playing == false || lastbuf == true)
{
printf("\33[2K\rPaused");
continue;
}
printf("\33[2K\r");
if(waveBuf[0].status == NDSP_WBUF_DONE)
{
read = fread(buffer1, 1, BUFFER_SIZE, file);
if(read == 0)
{
lastbuf = true;
continue;
}
else if(read < BUFFER_SIZE)
waveBuf[0].nsamples = read / blockalign;
ndspChnWaveBufAdd(CHANNEL, &waveBuf[0]);
}
if(waveBuf[1].status == NDSP_WBUF_DONE)
{
read = fread(buffer2, 1, BUFFER_SIZE, file);
if(read == 0)
{
lastbuf = true;
continue;
}
else if(read < BUFFER_SIZE)
waveBuf[1].nsamples = read / blockalign;
ndspChnWaveBufAdd(CHANNEL, &waveBuf[1]);
}
DSP_FlushDataCache(buffer1, BUFFER_SIZE);
DSP_FlushDataCache(buffer2, BUFFER_SIZE);
}
ndspChnWaveBufClear(CHANNEL);
out:
puts("Stopping playback.");
ndspExit();
fclose(file);
linearFree(buffer1);
linearFree(buffer2);
return 0;
}

26
source/main.h
View File

@@ -7,6 +7,24 @@
* LICENSE file.
*/
/**
* Get number of files in current working folder
*
* \return Number of files in current working folder, -1 on failure with
* errno set.
*/
int getNumberFiles(void);
/**
* List current directory.
*
* \param from First entry in directory to list.
* \param max Maximum number of entries to list. Must be > 0.
* \param select File to show as selected. Must be > 0.
* \return Number of entries listed or negative on error.
*/
int listDir(int from, int max, int select);
/**
* Obtains file type.
*
@@ -14,11 +32,3 @@
* \return File type, else negative.
*/
int getFileType(const char *file);
/**
* Plays a WAV file.
*
* \param file File location of WAV file.
* \return Zero if successful, else failure.
*/
int playWav(const char *wav);

13
source/opus.c
View File

@@ -1,12 +1,11 @@
#include <3ds.h>
#include <opus/opusfile.h>
#include <stdlib.h>
#include <string.h>
#include "all.h"
#include "opus.h"
#define SAMPLES_TO_READ (32 * 1024)
#define CHANNEL 0x08
int playOpus(const char* in)
{
@@ -87,15 +86,13 @@ int playOpus(const char* in)
break;
if(kDown & (KEY_A | KEY_R))
playing = !playing;
if(playing == false || lastbuf == true)
{
printf("\33[2K\rPaused");
continue;
playing = !playing;
printf("\33[2K\r%s", playing == false ? "Paused" : "");
}
printf("\33[2K\r");
if(playing == false || lastbuf == true)
continue;
if(waveBuf[0].status == NDSP_WBUF_DONE)
{

2
source/opus.h
View File

@@ -1,3 +1,5 @@
#include <opus/opusfile.h>
int playOpus(const char* in);
uint64_t fillOpusBuffer(OggOpusFile* opusFile, uint64_t samplesToRead,

199
source/wav.c Normal file
View File

@@ -0,0 +1,199 @@
#include <3ds.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "all.h"
#include "wav.h"
#define BUFFER_SIZE (16 * 1024)
/**
* Plays a WAV file.
*
* \param file File location of WAV file.
* \return Zero if successful, else failure.
*/
int playWav(const char *wav)
{
FILE* file = fopen(wav, "rb");
char header[45];
u32 sample;
u8 format;
u8 channels;
u8 bitness;
u32 byterate; // TODO: Not used.
u32 blockalign;
s16* buffer1 = NULL;
s16* buffer2 = NULL;
ndspWaveBuf waveBuf[2];
bool playing = true;
bool lastbuf = false;
if(R_FAILED(ndspInit()))
{
err_print("Initialising ndsp failed.");
goto out;
}
// TODO: Check if this is required.
ndspSetOutputMode(NDSP_OUTPUT_STEREO);
if(file == NULL)
{
err_print("Opening file failed.");
goto out;
}
/* TODO: No need to read the first number of bytes */
if(fread(header, 1, 44, file) == 0)
{
err_print("Unable to read WAV file.");
goto out;
}
/**
* http://www.topherlee.com/software/pcm-tut-wavformat.html and
* http://soundfile.sapp.org/doc/WaveFormat/ helped a lot.
*/
format = (header[19]<<8) + (header[20]);
channels = (header[23]<<8) + (header[22]);
sample = (header[27]<<24) + (header[26]<<16) + (header[25]<<8) +
(header[24]);
byterate = (header[31]<<24) + (header[30]<<16) + (header[29]<<8) +
(header[28]);
blockalign = (header[33]<<8) + (header[32]);
bitness = (header[35]<<8) + (header[34]);
printf("Format: %s(%d), Ch: %d, Sam: %lu, bit: %d, BR: %lu, BA: %lu\n",
format == 1 ? "PCM" : "Other", format, channels, sample, bitness,
byterate, blockalign);
if(channels > 2)
{
puts("Error: Invalid number of channels.");
goto out;
}
/**
* Playing ADPCM, and 8 bit WAV files are disabled as they both sound like
* complete garbage.
*/
switch(bitness)
{
case 8:
bitness = channels == 2 ? NDSP_FORMAT_STEREO_PCM8 :
NDSP_FORMAT_MONO_PCM8;
puts("8bit playback disabled.");
goto out;
case 16:
bitness = channels == 2 ? NDSP_FORMAT_STEREO_PCM16 :
NDSP_FORMAT_MONO_PCM16;
break;
default:
printf("Bitness of %d unsupported.\n", bitness);
goto out;
}
ndspChnReset(CHANNEL);
ndspChnWaveBufClear(CHANNEL);
/* Polyphase sounds much better than linear or no interpolation */
ndspChnSetInterp(CHANNEL, NDSP_INTERP_POLYPHASE);
ndspChnSetRate(CHANNEL, sample);
ndspChnSetFormat(CHANNEL, bitness);
memset(waveBuf, 0, sizeof(waveBuf));
buffer1 = (s16*) linearAlloc(BUFFER_SIZE);
buffer2 = (s16*) linearAlloc(BUFFER_SIZE);
fread(buffer1, 1, BUFFER_SIZE, file);
waveBuf[0].nsamples = BUFFER_SIZE / blockalign;
waveBuf[0].data_vaddr = &buffer1[0];
ndspChnWaveBufAdd(CHANNEL, &waveBuf[0]);
fread(buffer2, 1, BUFFER_SIZE, file);
waveBuf[1].nsamples = BUFFER_SIZE / blockalign;
waveBuf[1].data_vaddr = &buffer2[0];
ndspChnWaveBufAdd(CHANNEL, &waveBuf[1]);
printf("Playing %s\n", wav);
/**
* There may be a chance that the music has not started by the time we get
* to the while loop. So we ensure that music has started here.
*/
while(ndspChnIsPlaying(CHANNEL) == false);
while(playing == false || ndspChnIsPlaying(CHANNEL) == true)
{
u32 kDown;
/* Number of bytes read from file.
* Static only for the purposes of the printf debug at the bottom.
*/
static size_t read = 0;
gfxSwapBuffers();
gfxFlushBuffers();
gspWaitForVBlank();
hidScanInput();
kDown = hidKeysDown();
if(kDown & KEY_B)
break;
if(kDown & (KEY_A | KEY_R))
{
playing = !playing;
printf("\33[2K\r%s", playing == false ? "Paused" : "");
}
if(playing == false || lastbuf == true)
continue;
if(waveBuf[0].status == NDSP_WBUF_DONE)
{
read = fread(buffer1, 1, BUFFER_SIZE, file);
if(read == 0)
{
lastbuf = true;
continue;
}
else if(read < BUFFER_SIZE)
waveBuf[0].nsamples = read / blockalign;
ndspChnWaveBufAdd(CHANNEL, &waveBuf[0]);
}
if(waveBuf[1].status == NDSP_WBUF_DONE)
{
read = fread(buffer2, 1, BUFFER_SIZE, file);
if(read == 0)
{
lastbuf = true;
continue;
}
else if(read < BUFFER_SIZE)
waveBuf[1].nsamples = read / blockalign;
ndspChnWaveBufAdd(CHANNEL, &waveBuf[1]);
}
DSP_FlushDataCache(buffer1, BUFFER_SIZE);
DSP_FlushDataCache(buffer2, BUFFER_SIZE);
}
ndspChnWaveBufClear(CHANNEL);
out:
puts("Stopping playback.");
ndspExit();
fclose(file);
linearFree(buffer1);
linearFree(buffer2);
return 0;
}

1
source/wav.h Normal file
View File

@@ -0,0 +1 @@
int playWav(const char *wav);