markil3/UniversalMusicPlayer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Some more work with playback.

Browse Source 
WARNING: UNSTABLE
This commit is contained in:
Markil3
2021-08-11 10:16:56 -06:00
parent 8082407ca2
commit 7c71c031ec
15 changed files with 1128 additions and 351 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
player/build.gradle
View File

@@ -16,6 +16,9 @@ library {
def compileTask = binary.compileTask.get()
compileTask.includes.from("${Jvm.current().javaHome}/include")
compileTask.source.from fileTree(dir: "src/main/c", include: "interface.h")
compileTask.source.from fileTree(dir: "src/main/c", include: "interface.c")
compileTask.source.from fileTree(dir: "src/main/c", include: "player.h")
compileTask.source.from fileTree(dir: "src/main/c", include: "player.c")
def osFamily = binary.targetPlatform.targetMachine.operatingSystemFamily
@@ -28,6 +31,7 @@ library {
} else if (osFamily.windows) {
compileTask.includes.from("${Jvm.current().javaHome}/include/win32")
compileTask.source.from fileTree(dir: "src/main/c", include: "player_win.c")
compileTask.source.from fileTree(dir: "src/main/c", include: "windows_mutex.c")
}
def toolChain = binary.toolChain

259
player/src/main/c/interface.c Normal file
View File

@@ -0,0 +1,259 @@
#include "interface.h"
/**
* This function is used to initialize the static reference to java.io.InputStream class.
*
* @param env - A reference to the JVM.
* @param audio - An InputStream instance
* @return A reference to the InputStream class.
*/
jclass getInputStreamClass(JNIEnv *env)
{
if (InputStream == 0 )
{
jclass tempClass = (*env)->FindClass(env, "java/io/InputStream");
if (tempClass == 0)
{
fprintf(stderr, "Could not find class java/io/InputStream");
return 0;
}
InputStream = (*env)->NewGlobalRef(env, tempClass);
}
return InputStream;
}
/**
* This function is used to initialize the static reference to the AudioStream class.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the AudioStream class.
*/
jclass getAudioStreamClass(JNIEnv *env, jobject audio)
{
if (AudioStream == 0 )
{
jclass tempClass = (*env)->GetObjectClass(env, audio);
if (tempClass == 0)
{
fprintf(stderr, "Could not find class edu/regis/universeplayer_localPlayer/AudioFile");
return 0;
}
AudioStream = (*env)->NewGlobalRef(env, tempClass);
}
return AudioStream;
}
jclass getHeaderClass(JNIEnv *env)
{
if (Header == 0)
{
jclass tempClass = (*env)->FindClass(env, "wave/WavHeader");
if (tempClass == 0)
{
fprintf(stderr, "Could not find wave/WavHeader");
return 0;
}
Header = (*env)->NewGlobalRef(env, tempClass);
}
return Header;
}
/**
* This function is used to initialize the static reference to AudioStream's getHeader method.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getHeader method.
*/
jmethodID getHeaderMethod(JNIEnv *env, jobject audio)
{
if (AudioStream_getHeader == 0 )
{
jclass tempClass = getAudioStreamClass(env, audio);
if (tempClass == 0)
{
return 0;
}
AudioStream_getHeader = (*env)->GetMethodID(env, tempClass, "getHeader", "()Lwave/WavHeader;");
}
return AudioStream_getHeader;
}
/**
* This function is used to initialize the static reference to AudioStream's getByteStream method.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getByteStream method.
*/
jmethodID getByteStreamMethod(JNIEnv *env, jobject audio)
{
if (AudioStream_getByteStream == 0 )
{
jclass tempClass = getAudioStreamClass(env, audio);
if (tempClass == 0)
{
return 0;
}
AudioStream_getByteStream = (*env)->GetMethodID(env, tempClass, "getByteStream", "()[B");
}
return AudioStream_getByteStream;
}
/**
* This function is used to initialize the static references to AudioStream's read methods.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getByteStream method.
*/
jmethodID getReadMethod(JNIEnv *env, jobject audio)
{
jclass tempClass;
if (AudioStream_readInt == 0)
{
tempClass = getAudioStreamClass(env, audio);
if (tempClass == 0)
{
fprintf(stderr, "Could not find AudioStream class");
}
else
{
AudioStream_readInt = (*env)->GetMethodID(env, tempClass, "read", "()I");
printf("Found class AudioStream");
}
}
if (InputStream_readBuffer == 0 )
{
tempClass = getInputStreamClass(env);
if (tempClass == 0)
{
fprintf(stderr, "Could not find InputStream class");
}
else
{
InputStream_readBuffer = (*env)->GetMethodID(env, tempClass, "read", "([B)I");
printf("Found class java/io/InputStream");
}
}
return AudioStream_readInt;
}
/**
* This function is used to initialize the static reference to WavHeader's various methods.
*
* @param env - A reference to the JVM.
*/
void getHeaderMethods(JNIEnv *env)
{
jclass tempClass = getHeaderClass(env);
if (tempClass == 0)
{
return;
}
if (Header_getChunkId == 0)
{
Header_getChunkId = (*env)->GetMethodID(env, tempClass, "getChunkID", "()[B");
if (Header_getChunkId == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getChunkID\n");
}
}
if (Header_getChunkSize == 0)
{
Header_getChunkSize = (*env)->GetMethodID(env, tempClass, "getChunkSize", "()I");
if (Header_getChunkSize == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getChunkSize\n");
}
}
if (Header_getFormat == 0)
{
Header_getFormat = (*env)->GetMethodID(env, tempClass, "getFormat", "()[B");
if (Header_getFormat == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getFormat\n");
}
}
if (Header_getSubChunk1ID == 0)
{
Header_getSubChunk1ID = (*env)->GetMethodID(env, tempClass, "getSubChunk1ID", "()[B");
if (Header_getSubChunk1ID == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk1ID\n");
}
}
if (Header_getSubChunk1Size == 0)
{
Header_getSubChunk1Size = (*env)->GetMethodID(env, tempClass, "getSubChunk1Size", "()I");
if (Header_getSubChunk1Size == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk1Size\n");
}
}
if (Header_getAudioFormat == 0)
{
Header_getAudioFormat = (*env)->GetMethodID(env, tempClass, "getAudioFormat", "()S");
if (Header_getAudioFormat == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getAudioFormat\n");
}
}
if (Header_getNumChannels == 0)
{
Header_getNumChannels = (*env)->GetMethodID(env, tempClass, "getNumChannels", "()S");
if (Header_getNumChannels == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getNumChannels\n");
}
}
if (Header_getSampleRate == 0)
{
Header_getSampleRate = (*env)->GetMethodID(env, tempClass, "getSampleRate", "()I");
if (Header_getSampleRate == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSampleRate\n");
}
}
if (Header_getByteRate == 0)
{
Header_getByteRate = (*env)->GetMethodID(env, tempClass, "getByteRate", "()I");
if (Header_getByteRate == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getByteRate\n");
}
}
if (Header_getBlockAlign == 0)
{
Header_getBlockAlign = (*env)->GetMethodID(env, tempClass, "getBlockAlign", "()S");
if (Header_getBlockAlign == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getBlockAlign\n");
}
}
if (Header_getBitsPerSample == 0)
{
Header_getBitsPerSample = (*env)->GetMethodID(env, tempClass, "getBitsPerSample", "()S");
if (Header_getBitsPerSample == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getBitsPerSample\n");
}
}
if (Header_getSubChunk2ID == 0)
{
Header_getSubChunk2ID = (*env)->GetMethodID(env, tempClass, "getSubChunk2ID", "()[B");
if (Header_getSubChunk2ID == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk2ID\n");
}
}
if (Header_getSubChunk2Size == 0)
{
Header_getSubChunk2Size = (*env)->GetMethodID(env, tempClass, "getSubChunk2Size", "()I");
if (Header_getSubChunk2Size == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk2Size\n");
}
}
}

88
player/src/main/c/interface.h Normal file
View File

@@ -0,0 +1,88 @@
#ifndef INTERFACE_H
#define INTERFACE_H
#include <jni.h>
#include <stdio.h>
typedef struct {
short numChannels;
short bytesPerChannel;
int sampleRate;
} HeaderData;
static jclass InputStream;
static jclass AudioStream;
static jclass Header;
static jmethodID AudioStream_getHeader;
static jmethodID AudioStream_getByteStream;
static jmethodID AudioStream_readInt;
static jmethodID InputStream_readBuffer;
static jmethodID Header_getChunkId;
static jmethodID Header_getChunkSize;
static jmethodID Header_getFormat;
static jmethodID Header_getSubChunk1ID;
static jmethodID Header_getSubChunk1Size;
static jmethodID Header_getAudioFormat;
static jmethodID Header_getNumChannels;
static jmethodID Header_getSampleRate;
static jmethodID Header_getByteRate;
static jmethodID Header_getBlockAlign;
static jmethodID Header_getBitsPerSample;
static jmethodID Header_getSubChunk2ID;
static jmethodID Header_getSubChunk2Size;
/**
* This function is used to initialize the static reference to java.io.InputStream class.
*
* @param env - A reference to the JVM.
* @param audio - An InputStream instance
* @return A reference to the InputStream class.
*/
jclass getInputStreamClass(JNIEnv *env);
/**
* This function is used to initialize the static reference to the AudioStream class.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the AudioStream class.
*/
jclass getAudioStreamClass(JNIEnv *env, jobject audio);
jclass getHeaderClass(JNIEnv *env);
/**
* This function is used to initialize the static reference to AudioStream's getHeader method.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getHeader method.
*/
jmethodID getHeaderMethod(JNIEnv *env, jobject audio);
/**
* This function is used to initialize the static reference to AudioStream's getByteStream method.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getByteStream method.
*/
jmethodID getByteStreamMethod(JNIEnv *env, jobject audio);
/**
* This function is used to initialize the static references to AudioStream's read methods.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getByteStream method.
*/
jmethodID getReadMethod(JNIEnv *env, jobject audio);
/**
* This function is used to initialize the static reference to WavHeader's various methods.
*
* @param env - A reference to the JVM.
*/
void getHeaderMethods(JNIEnv *env);
#endif /* INTERFACE_H */

305
player/src/main/c/player.c
View File

@@ -1,297 +1,20 @@
/*
* Copyright (c) 2021 William Hubbard. All Rights Reserved.
*/
#include <jni.h>
#include <stdio.h>
#include "interface.h"
#include "player.h"
typedef struct {
short numChannels;
short bytesPerChannel;
int sampleRate;
} HeaderData;
static jclass InputStream;
static jclass AudioStream;
static jclass Header;
static jmethodID AudioStream_getHeader;
static jmethodID AudioStream_getByteStream;
static jmethodID AudioStream_readInt;
static jmethodID InputStream_readBuffer;
static jmethodID Header_getChunkId;
static jmethodID Header_getChunkSize;
static jmethodID Header_getFormat;
static jmethodID Header_getSubChunk1ID;
static jmethodID Header_getSubChunk1Size;
static jmethodID Header_getAudioFormat;
static jmethodID Header_getNumChannels;
static jmethodID Header_getSampleRate;
static jmethodID Header_getByteRate;
static jmethodID Header_getBlockAlign;
static jmethodID Header_getBitsPerSample;
static jmethodID Header_getSubChunk2ID;
static jmethodID Header_getSubChunk2Size;
play_item_t play_list_head = {
0, /* play_id */
SA_CLEAR, /* stop_flag */
NULL, /* prev_item */
NULL, /* next_item */
NULL /* mutex */
};
static jobject currentFile = NULL;
static HeaderData currentHeader;
/**
* This function is used to initialize the static reference to java.io.InputStream class.
*
* @param env - A reference to the JVM.
* @param audio - An InputStream instance
* @return A reference to the InputStream class.
*/
jclass getInputStreamClass(JNIEnv *env)
{
if (InputStream == 0 )
{
jclass tempClass = (*env)->FindClass(env, "java/io/InputStream");
if (tempClass == 0)
{
fprintf(stderr, "Could not find class java/io/InputStream");
return 0;
}
InputStream = (*env)->NewGlobalRef(env, tempClass);
}
return InputStream;
}
/**
* This function is used to initialize the static reference to the AudioStream class.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the AudioStream class.
*/
jclass getAudioStreamClass(JNIEnv *env, jobject audio)
{
if (AudioStream == 0 )
{
jclass tempClass = (*env)->GetObjectClass(env, audio);
if (tempClass == 0)
{
fprintf(stderr, "Could not find class edu/regis/universeplayer_localPlayer/AudioFile");
return 0;
}
AudioStream = (*env)->NewGlobalRef(env, tempClass);
}
return AudioStream;
}
jclass getHeaderClass(JNIEnv *env)
{
if (Header == 0)
{
jclass tempClass = (*env)->FindClass(env, "wave/WavHeader");
if (tempClass == 0)
{
fprintf(stderr, "Could not find wave/WavHeader");
return 0;
}
Header = (*env)->NewGlobalRef(env, tempClass);
}
return Header;
}
/**
* This function is used to initialize the static reference to AudioStream's getHeader method.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getHeader method.
*/
jmethodID getHeaderMethod(JNIEnv *env, jobject audio)
{
if (AudioStream_getHeader == 0 )
{
jclass tempClass = getAudioStreamClass(env, audio);
if (tempClass == 0)
{
return 0;
}
AudioStream_getHeader = (*env)->GetMethodID(env, tempClass, "getHeader", "()Lwave/WavHeader;");
}
return AudioStream_getHeader;
}
/**
* This function is used to initialize the static reference to AudioStream's getByteStream method.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getByteStream method.
*/
jmethodID getByteStreamMethod(JNIEnv *env, jobject audio)
{
if (AudioStream_getByteStream == 0 )
{
jclass tempClass = getAudioStreamClass(env, audio);
if (tempClass == 0)
{
return 0;
}
AudioStream_getByteStream = (*env)->GetMethodID(env, tempClass, "getByteStream", "()[B");
}
return AudioStream_getByteStream;
}
/**
* This function is used to initialize the static references to AudioStream's read methods.
*
* @param env - A reference to the JVM.
* @param audio - An AudioStream instance
* @return A reference to the getByteStream method.
*/
jmethodID getReadMethod(JNIEnv *env, jobject audio)
{
jclass tempClass;
if (AudioStream_readInt == 0)
{
tempClass = getAudioStreamClass(env, audio);
if (tempClass == 0)
{
fprintf(stderr, "Could not find AudioStream class");
}
else
{
AudioStream_readInt = (*env)->GetMethodID(env, tempClass, "read", "()I");
printf("Found class AudioStream");
}
}
if (InputStream_readBuffer == 0 )
{
tempClass = getInputStreamClass(env);
if (tempClass == 0)
{
fprintf(stderr, "Could not find InputStream class");
}
else
{
InputStream_readBuffer = (*env)->GetMethodID(env, tempClass, "read", "([B)I");
printf("Found class java/io/InputStream");
}
}
return AudioStream_readInt;
}
/**
* This function is used to initialize the static reference to WavHeader's various methods.
*
* @param env - A reference to the JVM.
*/
void getHeaderMethods(JNIEnv *env)
{
jclass tempClass = getHeaderClass(env);
if (tempClass == 0)
{
return;
}
if (Header_getChunkId == 0)
{
Header_getChunkId = (*env)->GetMethodID(env, tempClass, "getChunkID", "()[B");
if (Header_getChunkId == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getChunkID\n");
}
}
if (Header_getChunkSize == 0)
{
Header_getChunkSize = (*env)->GetMethodID(env, tempClass, "getChunkSize", "()I");
if (Header_getChunkSize == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getChunkSize\n");
}
}
if (Header_getFormat == 0)
{
Header_getFormat = (*env)->GetMethodID(env, tempClass, "getFormat", "()[B");
if (Header_getFormat == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getFormat\n");
}
}
if (Header_getSubChunk1ID == 0)
{
Header_getSubChunk1ID = (*env)->GetMethodID(env, tempClass, "getSubChunk1ID", "()[B");
if (Header_getSubChunk1ID == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk1ID\n");
}
}
if (Header_getSubChunk1Size == 0)
{
Header_getSubChunk1Size = (*env)->GetMethodID(env, tempClass, "getSubChunk1Size", "()I");
if (Header_getSubChunk1Size == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk1Size\n");
}
}
if (Header_getAudioFormat == 0)
{
Header_getAudioFormat = (*env)->GetMethodID(env, tempClass, "getAudioFormat", "()S");
if (Header_getAudioFormat == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getAudioFormat\n");
}
}
if (Header_getNumChannels == 0)
{
Header_getNumChannels = (*env)->GetMethodID(env, tempClass, "getNumChannels", "()S");
if (Header_getNumChannels == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getNumChannels\n");
}
}
if (Header_getSampleRate == 0)
{
Header_getSampleRate = (*env)->GetMethodID(env, tempClass, "getSampleRate", "()I");
if (Header_getSampleRate == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSampleRate\n");
}
}
if (Header_getByteRate == 0)
{
Header_getByteRate = (*env)->GetMethodID(env, tempClass, "getByteRate", "()I");
if (Header_getByteRate == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getByteRate\n");
}
}
if (Header_getBlockAlign == 0)
{
Header_getBlockAlign = (*env)->GetMethodID(env, tempClass, "getBlockAlign", "()S");
if (Header_getBlockAlign == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getBlockAlign\n");
}
}
if (Header_getBitsPerSample == 0)
{
Header_getBitsPerSample = (*env)->GetMethodID(env, tempClass, "getBitsPerSample", "()S");
if (Header_getBitsPerSample == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getBitsPerSample\n");
}
}
if (Header_getSubChunk2ID == 0)
{
Header_getSubChunk2ID = (*env)->GetMethodID(env, tempClass, "getSubChunk2ID", "()[B");
if (Header_getSubChunk2ID == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk2ID\n");
}
}
if (Header_getSubChunk2Size == 0)
{
Header_getSubChunk2Size = (*env)->GetMethodID(env, tempClass, "getSubChunk2Size", "()I");
if (Header_getSubChunk2Size == 0)
{
fprintf(stderr, "Could not find wave/WavHeader#getSubChunk2Size\n");
}
}
}
/**
* Obtains an audio stream's header.
* @param env - A reference to the JVM.
@@ -409,7 +132,7 @@ HeaderData readHeader(JNIEnv *env, jobject header, HeaderData *headerStruct)
/**
* Sets the file currently being used
*/
JNIEXPORT jint JNICALL Java_edu_regis_universeplayer_localPlayer_Player_setCurrentFile(JNIEnv *env, jobject obj, jobject stream, jshort numChannels, jshort bitsPerSample, jint sampleRate)
JNIEXPORT jint JNICALL Java_edu_regis_universeplayer_localPlayer_LocalPlayer_setCurrentFile(JNIEnv *env, jobject obj, jobject stream, jshort numChannels, jshort bitsPerSample, jint sampleRate)
{
jobject header;
if (currentFile != NULL)
@@ -423,7 +146,7 @@ JNIEXPORT jint JNICALL Java_edu_regis_universeplayer_localPlayer_Player_setCurre
return updatePlayer(env, obj, stream, numChannels, bitsPerSample, sampleRate);
}
JNIEXPORT void JNICALL Java_edu_regis_universeplayer_localPlayer_Player_save(JNIEnv *env, jobject obj, jstring location)
JNIEXPORT void JNICALL Java_edu_regis_universeplayer_localPlayer_LocalPlayer_save(JNIEnv *env, jobject obj, jstring location)
{
const int BUFFER_SIZE = 256;
/*
@@ -471,19 +194,19 @@ JNIEXPORT void JNICALL Java_edu_regis_universeplayer_localPlayer_Player_save(JNI
return;
}
JNIEXPORT void JNICALL Java_edu_regis_universeplayer_localPlayer_Player_play(JNIEnv *env, jobject obj)
JNIEXPORT void JNICALL Java_edu_regis_universeplayer_localPlayer_LocalPlayer_playSong(JNIEnv *env, jobject obj)
{
printf("Playing\n");
return;
}
JNIEXPORT void JNICALL Java_edu_regis_universeplayer_localPlayer_Player_pause(JNIEnv *env, jobject obj)
JNIEXPORT void JNICALL Java_edu_regis_universeplayer_localPlayer_LocalPlayer_pauseSong(JNIEnv *env, jobject obj)
{
printf("Pausing\n");
return;
}
JNIEXPORT jboolean JNICALL Java_edu_regis_universeplayer_localPlayer_Player_isPaused(JNIEnv *env, jobject obj)
JNIEXPORT jboolean JNICALL Java_edu_regis_universeplayer_localPlayer_LocalPlayer_isSongPaused(JNIEnv *env, jobject obj)
{
printf("Is Paused?\n");
return JNI_FALSE;

65
player/src/main/c/player.h Normal file
View File

@@ -0,0 +1,65 @@
/*
Simpleaudio Python Extension
Copyright (C) 2015, Joe Hamilton
MIT License (see LICENSE.txt)
*/
#ifndef SIMPLEAUDIO_H
#define SIMPLEAUDIO_H
#include <jni.h>
#include <stdio.h>
#define SA_ERR_STR_LEN (256)
#define SA_CLEAR (0)
#define SA_STOP (1)
enum {
NOT_LAST_ITEM = 0,
LAST_ITEM = 1
};
typedef unsigned long long play_id_t;
/* linked list structure used to track the active playback items/threads */
typedef struct play_item_s {
/* the play_id of the list head is used to store the next play_id value
used by a new play list item */
play_id_t play_id;
int stop_flag;
struct play_item_s* prev_item;
struct play_item_s* next_item;
/* the mutex of the list head is used as a 'global' mutex for modifying
and accessing the list itself */
void* mutex;
} play_item_t;
typedef struct {
jobject buffer_obj;
void* handle;
int used_bytes;
int len_bytes;
int num_buffers;
int frame_size;
int buffer_size;
play_item_t* play_list_item;
void* list_mutex;
} audio_blob_t;
jint* play_os(jobject buffer_obj, int len_samples, int num_channels, int bytes_per_chan, int sample_rate, play_item_t* play_list_head, int latency_us);
void delete_list_item(play_item_t* play_item);
play_item_t* new_list_item(play_item_t* list_head);
void destroy_audio_blob(audio_blob_t* audio_blob);
audio_blob_t* create_audio_blob(void);
int get_buffer_size(int latency_us, int sample_rate, int frame_size);
void* create_mutex(void);
void destroy_mutex(void* mutex);
void grab_mutex(void* mutex);
void release_mutex(void* mutex);
#endif /* SIMPLEAUDIO_H */

109
player/src/main/c/player_win.c
View File

@@ -1,11 +1,112 @@
/*
* Copyright (c) 2021 William Hubbard. All Rights Reserved.
*/
#include <jni.h>
#include <stdio.h>
Simpleaudio Python Extension
Copyright (C) 2015, Joe Hamilton
MIT License (see LICENSE.txt)
*/
#include "simpleaudio.h"
#include <Windows.h>
#include <mmreg.h>
#include <stdlib.h>
int updatePlayer(JNIEnv *env, jobject obj, jobject stream, jshort numChannels, jshort bitsPerSample, jint sampleRate)
{
printf("Updating File\n");
return 0;
}
jint play_os(jobject buffer_obj, int len_samples, int num_channels, int bytes_per_chan, int sample_rate, play_item_t* play_list_head, int latency_us)
{
char err_msg_buf[SA_ERR_STR_LEN];
char sys_msg_buf[SA_ERR_STR_LEN / 2];
audio_blob_t* audio_blob;
WAVEFORMATEX audio_format;
MMRESULT result;
HANDLE thread_handle = NULL;
DWORD thread_id;
int bytes_per_frame = bytes_per_chan * num_channels;
WAVEHDR* temp_wave_hdr;
int buffer_size;
int i;
DBG_PLAY_OS_CALL
buffer_size = get_buffer_size(latency_us / NUM_BUFS, sample_rate, bytes_per_chan * num_channels);
audio_blob = create_audio_blob();
audio_blob->buffer_obj = buffer_obj;
audio_blob->list_mutex = play_list_head->mutex;
audio_blob->len_bytes = len_samples * bytes_per_frame;
audio_blob->num_buffers = NUM_BUFS;
/* setup the linked list item for this playback buffer */
grab_mutex(play_list_head->mutex);
audio_blob->play_list_item = new_list_item(play_list_head);
release_mutex(play_list_head->mutex);
/* windows audio device and format headers setup */
if (bytes_per_chan < 4) {
audio_format.wFormatTag = WAVE_FORMAT_PCM;
} else {
audio_format.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
}
audio_format.nChannels = num_channels;
audio_format.nSamplesPerSec = sample_rate;
audio_format.nBlockAlign = bytes_per_frame;
/* per MSDN WAVEFORMATEX documentation */
audio_format.nAvgBytesPerSec = audio_format.nSamplesPerSec * audio_format.nBlockAlign;
audio_format.wBitsPerSample = bytes_per_chan * 8;
audio_format.cbSize = 0;
/* create the cleanup thread so we can return after calling waveOutWrite
SEE :http://msdn.microsoft.com/en-us/library/windows/desktop/ms682516(v=vs.85).aspx
*/
thread_handle = CreateThread(NULL, 0, bufferThread, audio_blob, 0, &thread_id);
if (thread_handle != NULL) {
/* Close so we don't leak handles - similar to detatched POSIX threads */
CloseHandle(thread_handle);
} else {
DWORD lastError = GetLastError();
/* lang code : US En */
FormatMessage((FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS), NULL, lastError, 0x0409, sys_msg_buf, SYS_STR_LEN, NULL);
WIN_EXCEPTION("Failed to start cleanup thread.", 0, sys_msg_buf, err_msg_buf);
destroy_audio_blob(audio_blob);
return NULL;
}
/* open a handle to the default audio device */
result = waveOutOpen((HWAVEOUT*)&audio_blob->handle, WAVE_MAPPER, &audio_format, thread_id, 0, CALLBACK_THREAD);
if (result != MMSYSERR_NOERROR) {
waveOutGetErrorText(result, sys_msg_buf, SYS_STR_LEN);
WIN_EXCEPTION("Failed to open audio device.", result, sys_msg_buf, err_msg_buf);
PostThreadMessage(thread_id, WM_QUIT, 0, 0);
destroy_audio_blob(audio_blob);
return NULL;
}
dbg1("allocating %d buffers of %d bytes\n", NUM_BUFS, buffer_size);
for (i = 0; i < NUM_BUFS; i++) {
temp_wave_hdr = PyMem_Malloc(sizeof(WAVEHDR));
memset(temp_wave_hdr, 0, sizeof(WAVEHDR));
temp_wave_hdr->lpData = PyMem_Malloc(buffer_size);
temp_wave_hdr->dwBufferLength = buffer_size;
result = fill_buffer(temp_wave_hdr, audio_blob);
if (result != MMSYSERR_NOERROR) {
waveOutGetErrorText(result, sys_msg_buf, SYS_STR_LEN);
WIN_EXCEPTION("Failed to buffer audio.", result, sys_msg_buf, err_msg_buf);
PostThreadMessage(thread_id, WM_QUIT, 0, 0);
waveOutUnprepareHeader(audio_blob->handle, temp_wave_hdr, sizeof(WAVEHDR));
waveOutClose(audio_blob->handle);
destroy_audio_blob(audio_blob);
return NULL;
}
}
return PyLong_FromUnsignedLongLong(audio_blob->play_list_item->play_id);
}

27
player/src/main/c/windows_mutex.c Normal file
View File

@@ -0,0 +1,27 @@
/*
Simpleaudio Python Extension
Copyright (C) 2015, Joe Hamilton
MIT License (see LICENSE.txt)
*/
#include "player.h"
#include <stdlib.h>
#include <Windows.h>
void* create_mutex() {
void* mutex;
mutex = (void*)CreateMutex(NULL, FALSE, NULL);
return mutex;
}
void destroy_mutex(void* mutex) {
CloseHandle((HANDLE)mutex);
}
void grab_mutex(void* mutex) {
WaitForSingleObject((HANDLE)mutex, INFINITE);
}
void release_mutex(void* mutex) {
ReleaseMutex((HANDLE)mutex);
}