From b553ef1bba67cb138df72440744db33c39801899 Mon Sep 17 00:00:00 2001 From: xufuji456 <839789740@qq.com> Date: Sat, 6 Feb 2021 14:57:05 +0800 Subject: [PATCH] add libpmp3 module which is independent --- app/CMakeLists.txt | 9 - app/build.gradle | 2 + .../java/com/frank/ffmpeg/AudioPlayer.java | 18 - .../ffmpeg/activity/AudioHandleActivity.kt | 2 +- libmp3/.gitignore | 1 + libmp3/CMakeLists.txt | 43 + libmp3/build.gradle | 52 + {app => libmp3}/libs/arm64-v8a/libmp3lame.so | Bin .../libs/armeabi-v7a/libmp3lame.so | Bin libmp3/proguard-rules.pro | 21 + libmp3/src/main/AndroidManifest.xml | 2 + {app => libmp3}/src/main/cpp/audio_lame.c | 19 +- libmp3/src/main/cpp/lame.h | 1323 +++++++++++++++++ .../main/java/com/frank}/mp3/Mp3Converter.kt | 4 +- .../src/main/java/com/frank}/mp3/Mp3Lame.kt | 18 +- .../java/com/frank}/mp3/Mp3LameBuilder.kt | 2 +- .../src/main/java/com/frank/mp3/Mp3Lite.java | 31 + libmp3/src/main/res/values/strings.xml | 3 + settings.gradle | 2 +- 19 files changed, 1500 insertions(+), 52 deletions(-) create mode 100644 libmp3/.gitignore create mode 100644 libmp3/CMakeLists.txt create mode 100644 libmp3/build.gradle rename {app => libmp3}/libs/arm64-v8a/libmp3lame.so (100%) rename {app => libmp3}/libs/armeabi-v7a/libmp3lame.so (100%) create mode 100644 libmp3/proguard-rules.pro create mode 100644 libmp3/src/main/AndroidManifest.xml rename {app => libmp3}/src/main/cpp/audio_lame.c (94%) create mode 100644 libmp3/src/main/cpp/lame.h rename {app/src/main/java/com/frank/ffmpeg => libmp3/src/main/java/com/frank}/mp3/Mp3Converter.kt (99%) rename {app/src/main/java/com/frank/ffmpeg => libmp3/src/main/java/com/frank}/mp3/Mp3Lame.kt (77%) rename {app/src/main/java/com/frank/ffmpeg => libmp3/src/main/java/com/frank}/mp3/Mp3LameBuilder.kt (99%) create mode 100644 libmp3/src/main/java/com/frank/mp3/Mp3Lite.java create mode 100644 libmp3/src/main/res/values/strings.xml diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt index cbf3cc5..fc82582 100644 --- a/app/CMakeLists.txt +++ b/app/CMakeLists.txt @@ -32,7 +32,6 @@ add_library( # Sets the name of the library. src/main/cpp/AVpacket_queue.c src/main/cpp/media_player.c src/main/cpp/video_filter.c - src/main/cpp/audio_lame.c src/main/cpp/fast_start.c src/main/cpp/ffprobe_cmd.c ) @@ -44,13 +43,6 @@ set_target_properties( ffmpeg PROPERTIES IMPORTED_LOCATION ../../../../libs/${CMAKE_ANDROID_ARCH_ABI}/libffmpeg.so ) -add_library( mp3lame - SHARED - IMPORTED ) -set_target_properties( mp3lame - PROPERTIES IMPORTED_LOCATION - ../../../../libs/${CMAKE_ANDROID_ARCH_ABI}/libmp3lame.so ) - set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11") include_directories(src/main/cpp) @@ -69,7 +61,6 @@ find_library( # Sets the name of the path variable. target_link_libraries( # Specifies the target library. media-handle - mp3lame ffmpeg -landroid #native_window -ljnigraphics #bitmap diff --git a/app/build.gradle b/app/build.gradle index 1f9af33..e34c04e 100644 --- a/app/build.gradle +++ b/app/build.gradle @@ -62,4 +62,6 @@ dependencies { implementation "androidx.core:core-ktx:$rootProject.core_ktx" implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$rootProject.lifecycle_ktx" implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" + //implementation "libmp3" if you need mp3-lite module + implementation project(':libmp3') } diff --git a/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java b/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java index 5de3c98..56d9c4b 100644 --- a/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java +++ b/app/src/main/java/com/frank/ffmpeg/AudioPlayer.java @@ -22,24 +22,6 @@ public class AudioPlayer { public native void stop(); - public native static void lameInitDefault(); - - public native static void lameInit(int inSamplerate, int outChannel, - int outSamplerate, int outBitrate, float scaleInput, int mode, int vbrMode, - int quality, int vbrQuality, int abrMeanBitrate, int lowpassFreq, int highpassFreq, String id3tagTitle, - String id3tagArtist, String id3tagAlbum, String id3tagYear, - String id3tagComment); - - public native static int lameEncode(short[] buffer_l, short[] buffer_r, - int samples, byte[] mp3buf); - - public native static int encodeBufferInterleaved(short[] pcm, int samples, - byte[] mp3buf); - - public native static int lameFlush(byte[] mp3buf); - - public native static void lameClose(); - /** * Create an AudioTrack instance for JNI calling * diff --git a/app/src/main/java/com/frank/ffmpeg/activity/AudioHandleActivity.kt b/app/src/main/java/com/frank/ffmpeg/activity/AudioHandleActivity.kt index 1a8bb08..846ec74 100644 --- a/app/src/main/java/com/frank/ffmpeg/activity/AudioHandleActivity.kt +++ b/app/src/main/java/com/frank/ffmpeg/activity/AudioHandleActivity.kt @@ -16,7 +16,7 @@ import java.util.Locale import com.frank.ffmpeg.AudioPlayer import com.frank.ffmpeg.R import com.frank.ffmpeg.handler.FFmpegHandler -import com.frank.ffmpeg.mp3.Mp3Converter +import com.frank.mp3.Mp3Converter import com.frank.ffmpeg.util.FFmpegUtil import com.frank.ffmpeg.util.FileUtil diff --git a/libmp3/.gitignore b/libmp3/.gitignore new file mode 100644 index 0000000..796b96d --- /dev/null +++ b/libmp3/.gitignore @@ -0,0 +1 @@ +/build diff --git a/libmp3/CMakeLists.txt b/libmp3/CMakeLists.txt new file mode 100644 index 0000000..c0e64e2 --- /dev/null +++ b/libmp3/CMakeLists.txt @@ -0,0 +1,43 @@ +# For more information about using CMake with Android Studio, read the +# documentation: https://d.android.com/studio/projects/add-native-code.html + +# Sets the minimum version of CMake required to build the native library. + +cmake_minimum_required(VERSION 3.4.1) + +# Creates and names a library, sets it as either STATIC +# or SHARED, and provides the relative paths to its source code. +# You can define multiple libraries, and CMake builds them for you. +# Gradle automatically packages shared libraries with your APK. + +add_library( # Sets the name of the library. + mp3-lite + + # Sets the library as a shared library. + SHARED + + # Provides a relative path to your source file(s). + src/main/cpp/audio_lame.c + ) + +add_library( mp3lame + SHARED + IMPORTED ) +set_target_properties( mp3lame + PROPERTIES IMPORTED_LOCATION + ../../../../libs/${CMAKE_ANDROID_ARCH_ABI}/libmp3lame.so ) + +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11") + +include_directories(src/main/cpp) + +find_library( # Sets the name of the path variable. + log-lib + log ) + +target_link_libraries( # Specifies the target library. + mp3-lite + mp3lame + # Links the target library to the log library + # included in the NDK. + ${log-lib} ) \ No newline at end of file diff --git a/libmp3/build.gradle b/libmp3/build.gradle new file mode 100644 index 0000000..292a6f8 --- /dev/null +++ b/libmp3/build.gradle @@ -0,0 +1,52 @@ +apply plugin: 'com.android.library' +apply plugin: 'kotlin-android' +apply plugin: 'kotlin-android-extensions' +android { + compileSdkVersion rootProject.ext.compileSdkVersion + buildToolsVersion rootProject.ext.buildToolsVersion + + + defaultConfig { + minSdkVersion rootProject.ext.minSdkVersion + targetSdkVersion rootProject.ext.targetSdkVersion + versionCode rootProject.ext.versionCode + versionName rootProject.ext.versionName + + externalNativeBuild { + cmake { + cppFlags "" + } + } + ndk { + abiFilters "armeabi-v7a", "arm64-v8a" + } + } + + buildTypes { + release { + minifyEnabled false + proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' + } + } + + externalNativeBuild { + cmake { + path "CMakeLists.txt" + } + } + sourceSets { + main { + jniLibs.srcDirs = ['libs'] + jni.srcDirs = [] + } + } +} + +dependencies { + implementation fileTree(dir: 'libs', include: ['*.jar']) + implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" + implementation "androidx.appcompat:appcompat:$rootProject.appcompatVersion" + implementation "androidx.core:core-ktx:$rootProject.core_ktx" + implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$rootProject.lifecycle_ktx" + implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" +} diff --git a/app/libs/arm64-v8a/libmp3lame.so b/libmp3/libs/arm64-v8a/libmp3lame.so similarity index 100% rename from app/libs/arm64-v8a/libmp3lame.so rename to libmp3/libs/arm64-v8a/libmp3lame.so diff --git a/app/libs/armeabi-v7a/libmp3lame.so b/libmp3/libs/armeabi-v7a/libmp3lame.so similarity index 100% rename from app/libs/armeabi-v7a/libmp3lame.so rename to libmp3/libs/armeabi-v7a/libmp3lame.so diff --git a/libmp3/proguard-rules.pro b/libmp3/proguard-rules.pro new file mode 100644 index 0000000..f1b4245 --- /dev/null +++ b/libmp3/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile diff --git a/libmp3/src/main/AndroidManifest.xml b/libmp3/src/main/AndroidManifest.xml new file mode 100644 index 0000000..7e9e65c --- /dev/null +++ b/libmp3/src/main/AndroidManifest.xml @@ -0,0 +1,2 @@ + diff --git a/app/src/main/cpp/audio_lame.c b/libmp3/src/main/cpp/audio_lame.c similarity index 94% rename from app/src/main/cpp/audio_lame.c rename to libmp3/src/main/cpp/audio_lame.c index 487f7c9..4bd8070 100644 --- a/app/src/main/cpp/audio_lame.c +++ b/libmp3/src/main/cpp/audio_lame.c @@ -1,7 +1,10 @@ -#include "include/lame/lame.h" +#include "lame.h" #include -#include "ffmpeg_jni_define.h" + +#define MP3_FUNC(RETURN_TYPE, FUNC_NAME, ...) \ + JNIEXPORT RETURN_TYPE JNICALL Java_com_frank_mp3_Mp3Lite_ ## FUNC_NAME \ + (JNIEnv *env, jclass thiz, ##__VA_ARGS__)\ lame_global_flags *glf; @@ -181,12 +184,12 @@ void close_lame(lame_global_flags *glf) { } -AUDIO_PLAYER_FUNC(void, lameInitDefault) { +MP3_FUNC(void, lameInitDefault) { glf = initializeDefault(env); } -AUDIO_PLAYER_FUNC(void, lameInit, +MP3_FUNC(void, lameInit, jint inSampleRate, jint outChannel, jint outSampleRate, jint outBitrate, jfloat scaleInput, jint mode, jint vbrMode, jint quality, jint vbrQuality, jint abrMeanBitrate, jint lowPassFreq, jint highPassFreq, jstring id3tagTitle, @@ -201,21 +204,21 @@ AUDIO_PLAYER_FUNC(void, lameInit, id3tagComment); } -AUDIO_PLAYER_FUNC(jint, lameEncode, +MP3_FUNC(jint, lameEncode, jshortArray buffer_l, jshortArray buffer_r, jint samples, jbyteArray mp3buf) { return encode(env, glf, buffer_l, buffer_r, samples, mp3buf); } -AUDIO_PLAYER_FUNC(jint, encodeBufferInterleaved, +MP3_FUNC(jint, encodeBufferInterleaved, jshortArray pcm, jint samples, jbyteArray mp3buf) { return encodeBufferInterleaved(env, glf, pcm, samples, mp3buf); } -AUDIO_PLAYER_FUNC(jint, lameFlush, +MP3_FUNC(jint, lameFlush, jbyteArray mp3buf) { return flush(env, glf, mp3buf); } -AUDIO_PLAYER_FUNC(void, lameClose) { +MP3_FUNC(void, lameClose) { close_lame(glf); } \ No newline at end of file diff --git a/libmp3/src/main/cpp/lame.h b/libmp3/src/main/cpp/lame.h new file mode 100644 index 0000000..21c8afd --- /dev/null +++ b/libmp3/src/main/cpp/lame.h @@ -0,0 +1,1323 @@ +/* + * Interface to MP3 LAME encoding engine + * + * Copyright (c) 1999 Mark Taylor + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/* $Id: include.lame.h,v 1.189.2.1 2012/01/08 23:49:58 robert Exp $ */ + +#ifndef LAME_LAME_H +#define LAME_LAME_H + +/* for size_t typedef */ +#include +/* for va_list typedef */ +#include +/* for FILE typedef, TODO: remove when removing lame_mp3_tags_fid */ +#include + +#if defined(__cplusplus) +extern "C" { +#endif + +typedef void (*lame_report_function)(const char *format, va_list ap); + +#if defined(WIN32) || defined(_WIN32) +#undef CDECL +#define CDECL __cdecl +#else +#define CDECL +#endif + +#define DEPRECATED_OR_OBSOLETE_CODE_REMOVED 1 + +typedef enum vbr_mode_e { + vbr_off=0, + vbr_mt, /* obsolete, same as vbr_mtrh */ + vbr_rh, + vbr_abr, + vbr_mtrh, + vbr_max_indicator, /* Don't use this! It's used for sanity checks. */ + vbr_default=vbr_mtrh /* change this to change the default VBR mode of LAME */ +} vbr_mode; + + +/* MPEG modes */ +typedef enum MPEG_mode_e { + STEREO = 0, + JOINT_STEREO, + DUAL_CHANNEL, /* LAME doesn't supports this! */ + MONO, + NOT_SET, + MAX_INDICATOR /* Don't use this! It's used for sanity checks. */ +} MPEG_mode; + +/* Padding types */ +typedef enum Padding_type_e { + PAD_NO = 0, + PAD_ALL, + PAD_ADJUST, + PAD_MAX_INDICATOR /* Don't use this! It's used for sanity checks. */ +} Padding_type; + + + +/*presets*/ +typedef enum preset_mode_e { + /*values from 8 to 320 should be reserved for abr bitrates*/ + /*for abr I'd suggest to directly use the targeted bitrate as a value*/ + ABR_8 = 8, + ABR_320 = 320, + + V9 = 410, /*Vx to match Lame and VBR_xx to match FhG*/ + VBR_10 = 410, + V8 = 420, + VBR_20 = 420, + V7 = 430, + VBR_30 = 430, + V6 = 440, + VBR_40 = 440, + V5 = 450, + VBR_50 = 450, + V4 = 460, + VBR_60 = 460, + V3 = 470, + VBR_70 = 470, + V2 = 480, + VBR_80 = 480, + V1 = 490, + VBR_90 = 490, + V0 = 500, + VBR_100 = 500, + + + + /*still there for compatibility*/ + R3MIX = 1000, + STANDARD = 1001, + EXTREME = 1002, + INSANE = 1003, + STANDARD_FAST = 1004, + EXTREME_FAST = 1005, + MEDIUM = 1006, + MEDIUM_FAST = 1007 +} preset_mode; + + +/*asm optimizations*/ +typedef enum asm_optimizations_e { + MMX = 1, + AMD_3DNOW = 2, + SSE = 3 +} asm_optimizations; + + +/* psychoacoustic model */ +typedef enum Psy_model_e { + PSY_GPSYCHO = 1, + PSY_NSPSYTUNE = 2 +} Psy_model; + + +/* buffer considerations */ +typedef enum buffer_constraint_e { + MDB_DEFAULT=0, + MDB_STRICT_ISO=1, + MDB_MAXIMUM=2 +} buffer_constraint; + + +struct lame_global_struct; +typedef struct lame_global_struct lame_global_flags; +typedef lame_global_flags *lame_t; + + + + +/*********************************************************************** + * + * The LAME API + * These functions should be called, in this order, for each + * MP3 file to be encoded. See the file "API" for more documentation + * + ***********************************************************************/ + + +/* + * REQUIRED: + * initialize the encoder. sets default for all encoder parameters, + * returns NULL if some malloc()'s failed + * otherwise returns pointer to structure needed for all future + * API calls. + */ +lame_global_flags * CDECL lame_init(void); +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* obsolete version */ +int CDECL lame_init_old(lame_global_flags *); +#endif + +/* + * OPTIONAL: + * set as needed to override defaults + */ + +/******************************************************************** + * input stream description + ***********************************************************************/ +/* number of samples. default = 2^32-1 */ +int CDECL lame_set_num_samples(lame_global_flags *, unsigned long); +unsigned long CDECL lame_get_num_samples(const lame_global_flags *); + +/* input sample rate in Hz. default = 44100hz */ +int CDECL lame_set_in_samplerate(lame_global_flags *, int); +int CDECL lame_get_in_samplerate(const lame_global_flags *); + +/* number of channels in input stream. default=2 */ +int CDECL lame_set_num_channels(lame_global_flags *, int); +int CDECL lame_get_num_channels(const lame_global_flags *); + +/* + scale the input by this amount before encoding. default=1 + (not used by decoding routines) +*/ +int CDECL lame_set_scale(lame_global_flags *, float); +float CDECL lame_get_scale(const lame_global_flags *); + +/* + scale the channel 0 (left) input by this amount before encoding. default=1 + (not used by decoding routines) +*/ +int CDECL lame_set_scale_left(lame_global_flags *, float); +float CDECL lame_get_scale_left(const lame_global_flags *); + +/* + scale the channel 1 (right) input by this amount before encoding. default=1 + (not used by decoding routines) +*/ +int CDECL lame_set_scale_right(lame_global_flags *, float); +float CDECL lame_get_scale_right(const lame_global_flags *); + +/* + output sample rate in Hz. default = 0, which means LAME picks best value + based on the amount of compression. MPEG only allows: + MPEG1 32, 44.1, 48khz + MPEG2 16, 22.05, 24 + MPEG2.5 8, 11.025, 12 + (not used by decoding routines) +*/ +int CDECL lame_set_out_samplerate(lame_global_flags *, int); +int CDECL lame_get_out_samplerate(const lame_global_flags *); + + +/******************************************************************** + * general control parameters + ***********************************************************************/ +/* 1=cause LAME to collect data for an MP3 frame analyzer. default=0 */ +int CDECL lame_set_analysis(lame_global_flags *, int); +int CDECL lame_get_analysis(const lame_global_flags *); + +/* + 1 = write a Xing VBR header frame. + default = 1 + this variable must have been added by a Hungarian notation Windows programmer :-) +*/ +int CDECL lame_set_bWriteVbrTag(lame_global_flags *, int); +int CDECL lame_get_bWriteVbrTag(const lame_global_flags *); + +/* 1=decode only. use include.lame/mpglib to convert mp3/ogg to wav. default=0 */ +int CDECL lame_set_decode_only(lame_global_flags *, int); +int CDECL lame_get_decode_only(const lame_global_flags *); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* 1=encode a Vorbis .ogg file. default=0 */ +/* DEPRECATED */ +int CDECL lame_set_ogg(lame_global_flags *, int); +int CDECL lame_get_ogg(const lame_global_flags *); +#endif + +/* + internal algorithm selection. True quality is determined by the bitrate + but this variable will effect quality by selecting expensive or cheap algorithms. + quality=0..9. 0=best (very slow). 9=worst. + recommended: 2 near-best quality, not too slow + 5 good quality, fast + 7 ok quality, really fast +*/ +int CDECL lame_set_quality(lame_global_flags *, int); +int CDECL lame_get_quality(const lame_global_flags *); + +/* + mode = 0,1,2,3 = stereo, jstereo, dual channel (not supported), mono + default: include.lame picks based on compression ration and input channels +*/ +int CDECL lame_set_mode(lame_global_flags *, MPEG_mode); +MPEG_mode CDECL lame_get_mode(const lame_global_flags *); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* + mode_automs. Use a M/S mode with a switching threshold based on + compression ratio + DEPRECATED +*/ +int CDECL lame_set_mode_automs(lame_global_flags *, int); +int CDECL lame_get_mode_automs(const lame_global_flags *); +#endif + +/* + force_ms. Force M/S for all frames. For testing only. + default = 0 (disabled) +*/ +int CDECL lame_set_force_ms(lame_global_flags *, int); +int CDECL lame_get_force_ms(const lame_global_flags *); + +/* use free_format? default = 0 (disabled) */ +int CDECL lame_set_free_format(lame_global_flags *, int); +int CDECL lame_get_free_format(const lame_global_flags *); + +/* perform ReplayGain analysis? default = 0 (disabled) */ +int CDECL lame_set_findReplayGain(lame_global_flags *, int); +int CDECL lame_get_findReplayGain(const lame_global_flags *); + +/* decode on the fly. Search for the peak sample. If the ReplayGain + * analysis is enabled then perform the analysis on the decoded data + * stream. default = 0 (disabled) + * NOTE: if this option is set the build-in decoder should not be used */ +int CDECL lame_set_decode_on_the_fly(lame_global_flags *, int); +int CDECL lame_get_decode_on_the_fly(const lame_global_flags *); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* DEPRECATED: now does the same as lame_set_findReplayGain() + default = 0 (disabled) */ +int CDECL lame_set_ReplayGain_input(lame_global_flags *, int); +int CDECL lame_get_ReplayGain_input(const lame_global_flags *); + +/* DEPRECATED: now does the same as + lame_set_decode_on_the_fly() && lame_set_findReplayGain() + default = 0 (disabled) */ +int CDECL lame_set_ReplayGain_decode(lame_global_flags *, int); +int CDECL lame_get_ReplayGain_decode(const lame_global_flags *); + +/* DEPRECATED: now does the same as lame_set_decode_on_the_fly() + default = 0 (disabled) */ +int CDECL lame_set_findPeakSample(lame_global_flags *, int); +int CDECL lame_get_findPeakSample(const lame_global_flags *); +#endif + +/* counters for gapless encoding */ +int CDECL lame_set_nogap_total(lame_global_flags*, int); +int CDECL lame_get_nogap_total(const lame_global_flags*); + +int CDECL lame_set_nogap_currentindex(lame_global_flags* , int); +int CDECL lame_get_nogap_currentindex(const lame_global_flags*); + + +/* + * OPTIONAL: + * Set printf like error/debug/message reporting functions. + * The second argument has to be a pointer to a function which looks like + * void my_debugf(const char *format, va_list ap) + * { + * (void) vfprintf(stdout, format, ap); + * } + * If you use NULL as the value of the pointer in the set function, the + * include.lame buildin function will be used (prints to stderr). + * To quiet any output you have to replace the body of the example function + * with just "return;" and use it in the set function. + */ +int CDECL lame_set_errorf(lame_global_flags *, lame_report_function); +int CDECL lame_set_debugf(lame_global_flags *, lame_report_function); +int CDECL lame_set_msgf (lame_global_flags *, lame_report_function); + + + +/* set one of brate compression ratio. default is compression ratio of 11. */ +int CDECL lame_set_brate(lame_global_flags *, int); +int CDECL lame_get_brate(const lame_global_flags *); +int CDECL lame_set_compression_ratio(lame_global_flags *, float); +float CDECL lame_get_compression_ratio(const lame_global_flags *); + + +int CDECL lame_set_preset( lame_global_flags* gfp, int ); +int CDECL lame_set_asm_optimizations( lame_global_flags* gfp, int, int ); + + + +/******************************************************************** + * frame params + ***********************************************************************/ +/* mark as copyright. default=0 */ +int CDECL lame_set_copyright(lame_global_flags *, int); +int CDECL lame_get_copyright(const lame_global_flags *); + +/* mark as original. default=1 */ +int CDECL lame_set_original(lame_global_flags *, int); +int CDECL lame_get_original(const lame_global_flags *); + +/* error_protection. Use 2 bytes from each frame for CRC checksum. default=0 */ +int CDECL lame_set_error_protection(lame_global_flags *, int); +int CDECL lame_get_error_protection(const lame_global_flags *); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* padding_type. 0=pad no frames 1=pad all frames 2=adjust padding(default) */ +int CDECL lame_set_padding_type(lame_global_flags *, Padding_type); +Padding_type CDECL lame_get_padding_type(const lame_global_flags *); +#endif + +/* MP3 'private extension' bit Meaningless. default=0 */ +int CDECL lame_set_extension(lame_global_flags *, int); +int CDECL lame_get_extension(const lame_global_flags *); + +/* enforce strict ISO compliance. default=0 */ +int CDECL lame_set_strict_ISO(lame_global_flags *, int); +int CDECL lame_get_strict_ISO(const lame_global_flags *); + + +/******************************************************************** + * quantization/noise shaping + ***********************************************************************/ + +/* disable the bit reservoir. For testing only. default=0 */ +int CDECL lame_set_disable_reservoir(lame_global_flags *, int); +int CDECL lame_get_disable_reservoir(const lame_global_flags *); + +/* select a different "best quantization" function. default=0 */ +int CDECL lame_set_quant_comp(lame_global_flags *, int); +int CDECL lame_get_quant_comp(const lame_global_flags *); +int CDECL lame_set_quant_comp_short(lame_global_flags *, int); +int CDECL lame_get_quant_comp_short(const lame_global_flags *); + +int CDECL lame_set_experimentalX(lame_global_flags *, int); /* compatibility*/ +int CDECL lame_get_experimentalX(const lame_global_flags *); + +/* another experimental option. for testing only */ +int CDECL lame_set_experimentalY(lame_global_flags *, int); +int CDECL lame_get_experimentalY(const lame_global_flags *); + +/* another experimental option. for testing only */ +int CDECL lame_set_experimentalZ(lame_global_flags *, int); +int CDECL lame_get_experimentalZ(const lame_global_flags *); + +/* Naoki's psycho acoustic model. default=0 */ +int CDECL lame_set_exp_nspsytune(lame_global_flags *, int); +int CDECL lame_get_exp_nspsytune(const lame_global_flags *); + +void CDECL lame_set_msfix(lame_global_flags *, double); +float CDECL lame_get_msfix(const lame_global_flags *); + + +/******************************************************************** + * VBR control + ***********************************************************************/ +/* Types of VBR. default = vbr_off = CBR */ +int CDECL lame_set_VBR(lame_global_flags *, vbr_mode); +vbr_mode CDECL lame_get_VBR(const lame_global_flags *); + +/* VBR quality level. 0=highest 9=lowest */ +int CDECL lame_set_VBR_q(lame_global_flags *, int); +int CDECL lame_get_VBR_q(const lame_global_flags *); + +/* VBR quality level. 0=highest 9=lowest, Range [0,...,10[ */ +int CDECL lame_set_VBR_quality(lame_global_flags *, float); +float CDECL lame_get_VBR_quality(const lame_global_flags *); + +/* Ignored except for VBR=vbr_abr (ABR mode) */ +int CDECL lame_set_VBR_mean_bitrate_kbps(lame_global_flags *, int); +int CDECL lame_get_VBR_mean_bitrate_kbps(const lame_global_flags *); + +int CDECL lame_set_VBR_min_bitrate_kbps(lame_global_flags *, int); +int CDECL lame_get_VBR_min_bitrate_kbps(const lame_global_flags *); + +int CDECL lame_set_VBR_max_bitrate_kbps(lame_global_flags *, int); +int CDECL lame_get_VBR_max_bitrate_kbps(const lame_global_flags *); + +/* + 1=strictly enforce VBR_min_bitrate. Normally it will be violated for + analog silence +*/ +int CDECL lame_set_VBR_hard_min(lame_global_flags *, int); +int CDECL lame_get_VBR_hard_min(const lame_global_flags *); + +/* for preset */ +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +int CDECL lame_set_preset_expopts(lame_global_flags *, int); +#endif + +/******************************************************************** + * Filtering control + ***********************************************************************/ +/* freq in Hz to apply lowpass. Default = 0 = include.lame chooses. -1 = disabled */ +int CDECL lame_set_lowpassfreq(lame_global_flags *, int); +int CDECL lame_get_lowpassfreq(const lame_global_flags *); +/* width of transition band, in Hz. Default = one polyphase filter band */ +int CDECL lame_set_lowpasswidth(lame_global_flags *, int); +int CDECL lame_get_lowpasswidth(const lame_global_flags *); + +/* freq in Hz to apply highpass. Default = 0 = include.lame chooses. -1 = disabled */ +int CDECL lame_set_highpassfreq(lame_global_flags *, int); +int CDECL lame_get_highpassfreq(const lame_global_flags *); +/* width of transition band, in Hz. Default = one polyphase filter band */ +int CDECL lame_set_highpasswidth(lame_global_flags *, int); +int CDECL lame_get_highpasswidth(const lame_global_flags *); + + +/******************************************************************** + * psycho acoustics and other arguments which you should not change + * unless you know what you are doing + ***********************************************************************/ + +/* only use ATH for masking */ +int CDECL lame_set_ATHonly(lame_global_flags *, int); +int CDECL lame_get_ATHonly(const lame_global_flags *); + +/* only use ATH for short blocks */ +int CDECL lame_set_ATHshort(lame_global_flags *, int); +int CDECL lame_get_ATHshort(const lame_global_flags *); + +/* disable ATH */ +int CDECL lame_set_noATH(lame_global_flags *, int); +int CDECL lame_get_noATH(const lame_global_flags *); + +/* select ATH formula */ +int CDECL lame_set_ATHtype(lame_global_flags *, int); +int CDECL lame_get_ATHtype(const lame_global_flags *); + +/* lower ATH by this many db */ +int CDECL lame_set_ATHlower(lame_global_flags *, float); +float CDECL lame_get_ATHlower(const lame_global_flags *); + +/* select ATH adaptive adjustment type */ +int CDECL lame_set_athaa_type( lame_global_flags *, int); +int CDECL lame_get_athaa_type( const lame_global_flags *); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* select the loudness approximation used by the ATH adaptive auto-leveling */ +int CDECL lame_set_athaa_loudapprox( lame_global_flags *, int); +int CDECL lame_get_athaa_loudapprox( const lame_global_flags *); +#endif + +/* adjust (in dB) the point below which adaptive ATH level adjustment occurs */ +int CDECL lame_set_athaa_sensitivity( lame_global_flags *, float); +float CDECL lame_get_athaa_sensitivity( const lame_global_flags* ); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* OBSOLETE: predictability limit (ISO tonality formula) */ +int CDECL lame_set_cwlimit(lame_global_flags *, int); +int CDECL lame_get_cwlimit(const lame_global_flags *); +#endif + +/* + allow blocktypes to differ between channels? + default: 0 for jstereo, 1 for stereo +*/ +int CDECL lame_set_allow_diff_short(lame_global_flags *, int); +int CDECL lame_get_allow_diff_short(const lame_global_flags *); + +/* use temporal masking effect (default = 1) */ +int CDECL lame_set_useTemporal(lame_global_flags *, int); +int CDECL lame_get_useTemporal(const lame_global_flags *); + +/* use temporal masking effect (default = 1) */ +int CDECL lame_set_interChRatio(lame_global_flags *, float); +float CDECL lame_get_interChRatio(const lame_global_flags *); + +/* disable short blocks */ +int CDECL lame_set_no_short_blocks(lame_global_flags *, int); +int CDECL lame_get_no_short_blocks(const lame_global_flags *); + +/* force short blocks */ +int CDECL lame_set_force_short_blocks(lame_global_flags *, int); +int CDECL lame_get_force_short_blocks(const lame_global_flags *); + +/* Input PCM is emphased PCM (for instance from one of the rarely + emphased CDs), it is STRONGLY not recommended to use this, because + psycho does not take it into account, and last but not least many decoders + ignore these bits */ +int CDECL lame_set_emphasis(lame_global_flags *, int); +int CDECL lame_get_emphasis(const lame_global_flags *); + + + +/************************************************************************/ +/* internal variables, cannot be set... */ +/* provided because they may be of use to calling application */ +/************************************************************************/ +/* version 0=MPEG-2 1=MPEG-1 (2=MPEG-2.5) */ +int CDECL lame_get_version(const lame_global_flags *); + +/* encoder delay */ +int CDECL lame_get_encoder_delay(const lame_global_flags *); + +/* + padding appended to the input to make sure decoder can fully decode + all input. Note that this value can only be calculated during the + call to lame_encoder_flush(). Before lame_encoder_flush() has + been called, the value of encoder_padding = 0. +*/ +int CDECL lame_get_encoder_padding(const lame_global_flags *); + +/* size of MPEG frame */ +int CDECL lame_get_framesize(const lame_global_flags *); + +/* number of PCM samples buffered, but not yet encoded to mp3 data. */ +int CDECL lame_get_mf_samples_to_encode( const lame_global_flags* gfp ); + +/* + size (bytes) of mp3 data buffered, but not yet encoded. + this is the number of bytes which would be output by a call to + lame_encode_flush_nogap. NOTE: lame_encode_flush() will return + more bytes than this because it will encode the reamining buffered + PCM samples before flushing the mp3 buffers. +*/ +int CDECL lame_get_size_mp3buffer( const lame_global_flags* gfp ); + +/* number of frames encoded so far */ +int CDECL lame_get_frameNum(const lame_global_flags *); + +/* + include.lame's estimate of the total number of frames to be encoded + only valid if calling program set num_samples +*/ +int CDECL lame_get_totalframes(const lame_global_flags *); + +/* RadioGain value. Multiplied by 10 and rounded to the nearest. */ +int CDECL lame_get_RadioGain(const lame_global_flags *); + +/* AudiophileGain value. Multipled by 10 and rounded to the nearest. */ +int CDECL lame_get_AudiophileGain(const lame_global_flags *); + +/* the peak sample */ +float CDECL lame_get_PeakSample(const lame_global_flags *); + +/* Gain change required for preventing clipping. The value is correct only if + peak sample searching was enabled. If negative then the waveform + already does not clip. The value is multiplied by 10 and rounded up. */ +int CDECL lame_get_noclipGainChange(const lame_global_flags *); + +/* user-specified scale factor required for preventing clipping. Value is + correct only if peak sample searching was enabled and no user-specified + scaling was performed. If negative then either the waveform already does + not clip or the value cannot be determined */ +float CDECL lame_get_noclipScale(const lame_global_flags *); + + + + + + + +/* + * REQUIRED: + * sets more internal configuration based on data provided above. + * returns -1 if something failed. + */ +int CDECL lame_init_params(lame_global_flags *); + + +/* + * OPTIONAL: + * get the version number, in a string. of the form: + * "3.63 (beta)" or just "3.63". + */ +const char* CDECL get_lame_version ( void ); +const char* CDECL get_lame_short_version ( void ); +const char* CDECL get_lame_very_short_version ( void ); +const char* CDECL get_psy_version ( void ); +const char* CDECL get_lame_url ( void ); +const char* CDECL get_lame_os_bitness ( void ); + +/* + * OPTIONAL: + * get the version numbers in numerical form. + */ +typedef struct { + /* generic LAME version */ + int major; + int minor; + int alpha; /* 0 if not an alpha version */ + int beta; /* 0 if not a beta version */ + + /* version of the psy model */ + int psy_major; + int psy_minor; + int psy_alpha; /* 0 if not an alpha version */ + int psy_beta; /* 0 if not a beta version */ + + /* compile time features */ + const char *features; /* Don't make assumptions about the contents! */ +} lame_version_t; +void CDECL get_lame_version_numerical(lame_version_t *); + + +/* + * OPTIONAL: + * print internal include.lame configuration to message handler + */ +void CDECL lame_print_config(const lame_global_flags* gfp); + +void CDECL lame_print_internals( const lame_global_flags *gfp); + + +/* + * input pcm data, output (maybe) mp3 frames. + * This routine handles all buffering, resampling and filtering for you. + * + * return code number of bytes output in mp3buf. Can be 0 + * -1: mp3buf was too small + * -2: malloc() problem + * -3: lame_init_params() not called + * -4: psycho acoustic problems + * + * The required mp3buf_size can be computed from num_samples, + * samplerate and encoding rate, but here is a worst case estimate: + * + * mp3buf_size in bytes = 1.25*num_samples + 7200 + * + * I think a tighter bound could be: (mt, March 2000) + * MPEG1: + * num_samples*(bitrate/8)/samplerate + 4*1152*(bitrate/8)/samplerate + 512 + * MPEG2: + * num_samples*(bitrate/8)/samplerate + 4*576*(bitrate/8)/samplerate + 256 + * + * but test first if you use that! + * + * set mp3buf_size = 0 and LAME will not check if mp3buf_size is + * large enough. + * + * NOTE: + * if gfp->num_channels=2, but gfp->mode = 3 (mono), the L & R channels + * will be averaged into the L channel before encoding only the L channel + * This will overwrite the data in buffer_l[] and buffer_r[]. + * +*/ +int CDECL lame_encode_buffer ( + lame_global_flags* gfp, /* global context handle */ + const short int buffer_l [], /* PCM data for left channel */ + const short int buffer_r [], /* PCM data for right channel */ + const int nsamples, /* number of samples per channel */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + const int mp3buf_size ); /* number of valid octets in this + stream */ + +/* + * as above, but input has L & R channel data interleaved. + * NOTE: + * num_samples = number of samples in the L (or R) + * channel, not the total number of samples in pcm[] + */ +int CDECL lame_encode_buffer_interleaved( + lame_global_flags* gfp, /* global context handlei */ + short int pcm[], /* PCM data for left and right + channel, interleaved */ + int num_samples, /* number of samples per channel, + _not_ number of samples in + pcm[] */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + int mp3buf_size ); /* number of valid octets in this + stream */ + + +/* as lame_encode_buffer, but for 'float's. + * !! NOTE: !! data must still be scaled to be in the same range as + * short int, +/- 32768 + */ +int CDECL lame_encode_buffer_float( + lame_global_flags* gfp, /* global context handle */ + const float pcm_l [], /* PCM data for left channel */ + const float pcm_r [], /* PCM data for right channel */ + const int nsamples, /* number of samples per channel */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + const int mp3buf_size ); /* number of valid octets in this + stream */ + +/* as lame_encode_buffer, but for 'float's. + * !! NOTE: !! data must be scaled to +/- 1 full scale + */ +int CDECL lame_encode_buffer_ieee_float( + lame_t gfp, + const float pcm_l [], /* PCM data for left channel */ + const float pcm_r [], /* PCM data for right channel */ + const int nsamples, + unsigned char * mp3buf, + const int mp3buf_size); +int CDECL lame_encode_buffer_interleaved_ieee_float( + lame_t gfp, + const float pcm[], /* PCM data for left and right + channel, interleaved */ + const int nsamples, + unsigned char * mp3buf, + const int mp3buf_size); + +/* as lame_encode_buffer, but for 'double's. + * !! NOTE: !! data must be scaled to +/- 1 full scale + */ +int CDECL lame_encode_buffer_ieee_double( + lame_t gfp, + const double pcm_l [], /* PCM data for left channel */ + const double pcm_r [], /* PCM data for right channel */ + const int nsamples, + unsigned char * mp3buf, + const int mp3buf_size); +int CDECL lame_encode_buffer_interleaved_ieee_double( + lame_t gfp, + const double pcm[], /* PCM data for left and right + channel, interleaved */ + const int nsamples, + unsigned char * mp3buf, + const int mp3buf_size); + +/* as lame_encode_buffer, but for long's + * !! NOTE: !! data must still be scaled to be in the same range as + * short int, +/- 32768 + * + * This scaling was a mistake (doesn't allow one to exploit full + * precision of type 'long'. Use lame_encode_buffer_long2() instead. + * + */ +int CDECL lame_encode_buffer_long( + lame_global_flags* gfp, /* global context handle */ + const long buffer_l [], /* PCM data for left channel */ + const long buffer_r [], /* PCM data for right channel */ + const int nsamples, /* number of samples per channel */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + const int mp3buf_size ); /* number of valid octets in this + stream */ + +/* Same as lame_encode_buffer_long(), but with correct scaling. + * !! NOTE: !! data must still be scaled to be in the same range as + * type 'long'. Data should be in the range: +/- 2^(8*size(long)-1) + * + */ +int CDECL lame_encode_buffer_long2( + lame_global_flags* gfp, /* global context handle */ + const long buffer_l [], /* PCM data for left channel */ + const long buffer_r [], /* PCM data for right channel */ + const int nsamples, /* number of samples per channel */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + const int mp3buf_size ); /* number of valid octets in this + stream */ + +/* as lame_encode_buffer, but for int's + * !! NOTE: !! input should be scaled to the maximum range of 'int' + * If int is 4 bytes, then the values should range from + * +/- 2147483648. + * + * This routine does not (and cannot, without loosing precision) use + * the same scaling as the rest of the lame_encode_buffer() routines. + * + */ +int CDECL lame_encode_buffer_int( + lame_global_flags* gfp, /* global context handle */ + const int buffer_l [], /* PCM data for left channel */ + const int buffer_r [], /* PCM data for right channel */ + const int nsamples, /* number of samples per channel */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + const int mp3buf_size ); /* number of valid octets in this + stream */ + + + + + +/* + * REQUIRED: + * lame_encode_flush will flush the intenal PCM buffers, padding with + * 0's to make sure the final frame is complete, and then flush + * the internal MP3 buffers, and thus may return a + * final few mp3 frames. 'mp3buf' should be at least 7200 bytes long + * to hold all possible emitted data. + * + * will also write id3v1 tags (if any) into the bitstream + * + * return code = number of bytes output to mp3buf. Can be 0 + */ +int CDECL lame_encode_flush( + lame_global_flags * gfp, /* global context handle */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + int size); /* number of valid octets in this stream */ + +/* + * OPTIONAL: + * lame_encode_flush_nogap will flush the internal mp3 buffers and pad + * the last frame with ancillary data so it is a complete mp3 frame. + * + * 'mp3buf' should be at least 7200 bytes long + * to hold all possible emitted data. + * + * After a call to this routine, the outputed mp3 data is complete, but + * you may continue to encode new PCM samples and write future mp3 data + * to a different file. The two mp3 files will play back with no gaps + * if they are concatenated together. + * + * This routine will NOT write id3v1 tags into the bitstream. + * + * return code = number of bytes output to mp3buf. Can be 0 + */ +int CDECL lame_encode_flush_nogap( + lame_global_flags * gfp, /* global context handle */ + unsigned char* mp3buf, /* pointer to encoded MP3 stream */ + int size); /* number of valid octets in this stream */ + +/* + * OPTIONAL: + * Normally, this is called by lame_init_params(). It writes id3v2 and + * Xing headers into the front of the bitstream, and sets frame counters + * and bitrate histogram data to 0. You can also call this after + * lame_encode_flush_nogap(). + */ +int CDECL lame_init_bitstream( + lame_global_flags * gfp); /* global context handle */ + + + +/* + * OPTIONAL: some simple statistics + * a bitrate histogram to visualize the distribution of used frame sizes + * a stereo mode histogram to visualize the distribution of used stereo + * modes, useful in joint-stereo mode only + * 0: LR left-right encoded + * 1: LR-I left-right and intensity encoded (currently not supported) + * 2: MS mid-side encoded + * 3: MS-I mid-side and intensity encoded (currently not supported) + * + * attention: don't call them after lame_encode_finish + * suggested: lame_encode_flush -> lame_*_hist -> lame_close + */ + +void CDECL lame_bitrate_hist( + const lame_global_flags * gfp, + int bitrate_count[14] ); +void CDECL lame_bitrate_kbps( + const lame_global_flags * gfp, + int bitrate_kbps [14] ); +void CDECL lame_stereo_mode_hist( + const lame_global_flags * gfp, + int stereo_mode_count[4] ); + +void CDECL lame_bitrate_stereo_mode_hist ( + const lame_global_flags * gfp, + int bitrate_stmode_count[14][4] ); + +void CDECL lame_block_type_hist ( + const lame_global_flags * gfp, + int btype_count[6] ); + +void CDECL lame_bitrate_block_type_hist ( + const lame_global_flags * gfp, + int bitrate_btype_count[14][6] ); + +#if (DEPRECATED_OR_OBSOLETE_CODE_REMOVED && 0) +#else +/* + * OPTIONAL: + * lame_mp3_tags_fid will rewrite a Xing VBR tag to the mp3 file with file + * pointer fid. These calls perform forward and backwards seeks, so make + * sure fid is a real file. Make sure lame_encode_flush has been called, + * and all mp3 data has been written to the file before calling this + * function. + * NOTE: + * if VBR tags are turned off by the user, or turned off by LAME because + * the output is not a regular file, this call does nothing + * NOTE: + * LAME wants to read from the file to skip an optional ID3v2 tag, so + * make sure you opened the file for writing and reading. + * NOTE: + * You can call lame_get_lametag_frame instead, if you want to insert + * the lametag yourself. +*/ +void CDECL lame_mp3_tags_fid(lame_global_flags *, FILE* fid); +#endif + +/* + * OPTIONAL: + * lame_get_lametag_frame copies the final LAME-tag into 'buffer'. + * The function returns the number of bytes copied into buffer, or + * the required buffer size, if the provided buffer is too small. + * Function failed, if the return value is larger than 'size'! + * Make sure lame_encode flush has been called before calling this function. + * NOTE: + * if VBR tags are turned off by the user, or turned off by LAME, + * this call does nothing and returns 0. + * NOTE: + * LAME inserted an empty frame in the beginning of mp3 audio data, + * which you have to replace by the final LAME-tag frame after encoding. + * In case there is no ID3v2 tag, usually this frame will be the very first + * data in your mp3 file. If you put some other leading data into your + * file, you'll have to do some bookkeeping about where to write this buffer. + */ +size_t CDECL lame_get_lametag_frame( + const lame_global_flags *, unsigned char* buffer, size_t size); + +/* + * REQUIRED: + * final call to free all remaining buffers + */ +int CDECL lame_close (lame_global_flags *); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* + * OBSOLETE: + * lame_encode_finish combines lame_encode_flush() and lame_close() in + * one call. However, once this call is made, the statistics routines + * will no longer work because the data will have been cleared, and + * lame_mp3_tags_fid() cannot be called to add data to the VBR header + */ +int CDECL lame_encode_finish( + lame_global_flags* gfp, + unsigned char* mp3buf, + int size ); +#endif + + + + + + +/********************************************************************* + * + * decoding + * + * a simple interface to mpglib, part of mpg123, is also included if + * libmp3lame is compiled with HAVE_MPGLIB + * + *********************************************************************/ + +struct hip_global_struct; +typedef struct hip_global_struct hip_global_flags; +typedef hip_global_flags *hip_t; + + +typedef struct { + int header_parsed; /* 1 if header was parsed and following data was + computed */ + int stereo; /* number of channels */ + int samplerate; /* sample rate */ + int bitrate; /* bitrate */ + int mode; /* mp3 frame type */ + int mode_ext; /* mp3 frame type */ + int framesize; /* number of samples per mp3 frame */ + + /* this data is only computed if mpglib detects a Xing VBR header */ + unsigned long nsamp; /* number of samples in mp3 file. */ + int totalframes; /* total number of frames in mp3 file */ + + /* this data is not currently computed by the mpglib routines */ + int framenum; /* frames decoded counter */ +} mp3data_struct; + +/* required call to initialize decoder */ +hip_t CDECL hip_decode_init(void); + +/* cleanup call to exit decoder */ +int CDECL hip_decode_exit(hip_t gfp); + +/* HIP reporting functions */ +void CDECL hip_set_errorf(hip_t gfp, lame_report_function f); +void CDECL hip_set_debugf(hip_t gfp, lame_report_function f); +void CDECL hip_set_msgf (hip_t gfp, lame_report_function f); + +/********************************************************************* + * input 1 mp3 frame, output (maybe) pcm data. + * + * nout = hip_decode(hip, mp3buf,len,pcm_l,pcm_r); + * + * input: + * len : number of bytes of mp3 data in mp3buf + * mp3buf[len] : mp3 data to be decoded + * + * output: + * nout: -1 : decoding error + * 0 : need more data before we can complete the decode + * >0 : returned 'nout' samples worth of data in pcm_l,pcm_r + * pcm_l[nout] : left channel data + * pcm_r[nout] : right channel data + * + *********************************************************************/ +int CDECL hip_decode( hip_t gfp + , unsigned char * mp3buf + , size_t len + , short pcm_l[] + , short pcm_r[] + ); + +/* same as hip_decode, and also returns mp3 header data */ +int CDECL hip_decode_headers( hip_t gfp + , unsigned char* mp3buf + , size_t len + , short pcm_l[] + , short pcm_r[] + , mp3data_struct* mp3data + ); + +/* same as hip_decode, but returns at most one frame */ +int CDECL hip_decode1( hip_t gfp + , unsigned char* mp3buf + , size_t len + , short pcm_l[] + , short pcm_r[] + ); + +/* same as hip_decode1, but returns at most one frame and mp3 header data */ +int CDECL hip_decode1_headers( hip_t gfp + , unsigned char* mp3buf + , size_t len + , short pcm_l[] + , short pcm_r[] + , mp3data_struct* mp3data + ); + +/* same as hip_decode1_headers, but also returns enc_delay and enc_padding + from VBR Info tag, (-1 if no info tag was found) */ +int CDECL hip_decode1_headersB( hip_t gfp + , unsigned char* mp3buf + , size_t len + , short pcm_l[] + , short pcm_r[] + , mp3data_struct* mp3data + , int *enc_delay + , int *enc_padding + ); + + + +/* OBSOLETE: + * lame_decode... functions are there to keep old code working + * but it is strongly recommended to replace calls by hip_decode... + * function calls, see above. + */ +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +int CDECL lame_decode_init(void); +int CDECL lame_decode( + unsigned char * mp3buf, + int len, + short pcm_l[], + short pcm_r[] ); +int CDECL lame_decode_headers( + unsigned char* mp3buf, + int len, + short pcm_l[], + short pcm_r[], + mp3data_struct* mp3data ); +int CDECL lame_decode1( + unsigned char* mp3buf, + int len, + short pcm_l[], + short pcm_r[] ); +int CDECL lame_decode1_headers( + unsigned char* mp3buf, + int len, + short pcm_l[], + short pcm_r[], + mp3data_struct* mp3data ); +int CDECL lame_decode1_headersB( + unsigned char* mp3buf, + int len, + short pcm_l[], + short pcm_r[], + mp3data_struct* mp3data, + int *enc_delay, + int *enc_padding ); +int CDECL lame_decode_exit(void); + +#endif /* obsolete lame_decode API calls */ + + +/********************************************************************* + * + * id3tag stuff + * + *********************************************************************/ + +/* + * id3tag.h -- Interface to write ID3 version 1 and 2 tags. + * + * Copyright (C) 2000 Don Melton. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + */ + +/* utility to obtain alphabetically sorted list of genre names with numbers */ +void CDECL id3tag_genre_list( + void (*handler)(int, const char *, void *), + void* cookie); + +void CDECL id3tag_init (lame_t gfp); + +/* force addition of version 2 tag */ +void CDECL id3tag_add_v2 (lame_t gfp); + +/* add only a version 1 tag */ +void CDECL id3tag_v1_only (lame_t gfp); + +/* add only a version 2 tag */ +void CDECL id3tag_v2_only (lame_t gfp); + +/* pad version 1 tag with spaces instead of nulls */ +void CDECL id3tag_space_v1 (lame_t gfp); + +/* pad version 2 tag with extra 128 bytes */ +void CDECL id3tag_pad_v2 (lame_t gfp); + +/* pad version 2 tag with extra n bytes */ +void CDECL id3tag_set_pad (lame_t gfp, size_t n); + +void CDECL id3tag_set_title(lame_t gfp, const char* title); +void CDECL id3tag_set_artist(lame_t gfp, const char* artist); +void CDECL id3tag_set_album(lame_t gfp, const char* album); +void CDECL id3tag_set_year(lame_t gfp, const char* year); +void CDECL id3tag_set_comment(lame_t gfp, const char* comment); + +/* return -1 result if track number is out of ID3v1 range + and ignored for ID3v1 */ +int CDECL id3tag_set_track(lame_t gfp, const char* track); + +/* return non-zero result if genre name or number is invalid + result 0: OK + result -1: genre number out of range + result -2: no valid ID3v1 genre name, mapped to ID3v1 'Other' + but taken as-is for ID3v2 genre tag */ +int CDECL id3tag_set_genre(lame_t gfp, const char* genre); + +/* return non-zero result if field name is invalid */ +int CDECL id3tag_set_fieldvalue(lame_t gfp, const char* fieldvalue); + +/* return non-zero result if image type is invalid */ +int CDECL id3tag_set_albumart(lame_t gfp, const char* image, size_t size); + +/* lame_get_id3v1_tag copies ID3v1 tag into buffer. + * Function returns number of bytes copied into buffer, or number + * of bytes rquired if buffer 'size' is too small. + * Function fails, if returned value is larger than 'size'. + * NOTE: + * This functions does nothing, if user/LAME disabled ID3v1 tag. + */ +size_t CDECL lame_get_id3v1_tag(lame_t gfp, unsigned char* buffer, size_t size); + +/* lame_get_id3v2_tag copies ID3v2 tag into buffer. + * Function returns number of bytes copied into buffer, or number + * of bytes rquired if buffer 'size' is too small. + * Function fails, if returned value is larger than 'size'. + * NOTE: + * This functions does nothing, if user/LAME disabled ID3v2 tag. + */ +size_t CDECL lame_get_id3v2_tag(lame_t gfp, unsigned char* buffer, size_t size); + +/* normaly lame_init_param writes ID3v2 tags into the audio stream + * Call lame_set_write_id3tag_automatic(gfp, 0) before lame_init_param + * to turn off this behaviour and get ID3v2 tag with above function + * write it yourself into your file. + */ +void CDECL lame_set_write_id3tag_automatic(lame_global_flags * gfp, int); +int CDECL lame_get_write_id3tag_automatic(lame_global_flags const* gfp); + +/* experimental */ +int CDECL id3tag_set_textinfo_latin1(lame_t gfp, char const *id, char const *text); + +/* experimental */ +int CDECL id3tag_set_comment_latin1(lame_t gfp, char const *lang, char const *desc, char const *text); + +#if DEPRECATED_OR_OBSOLETE_CODE_REMOVED +#else +/* experimental */ +int CDECL id3tag_set_textinfo_ucs2(lame_t gfp, char const *id, unsigned short const *text); + +/* experimental */ +int CDECL id3tag_set_comment_ucs2(lame_t gfp, char const *lang, + unsigned short const *desc, unsigned short const *text); + +/* experimental */ +int CDECL id3tag_set_fieldvalue_ucs2(lame_t gfp, const unsigned short *fieldvalue); +#endif + +/* experimental */ +int CDECL id3tag_set_fieldvalue_utf16(lame_t gfp, const unsigned short *fieldvalue); + +/* experimental */ +int CDECL id3tag_set_textinfo_utf16(lame_t gfp, char const *id, unsigned short const *text); + +/* experimental */ +int CDECL id3tag_set_comment_utf16(lame_t gfp, char const *lang, unsigned short const *desc, unsigned short const *text); + + +/*********************************************************************** +* +* list of valid bitrates [kbps] & sample frequencies [Hz]. +* first index: 0: MPEG-2 values (sample frequencies 16...24 kHz) +* 1: MPEG-1 values (sample frequencies 32...48 kHz) +* 2: MPEG-2.5 values (sample frequencies 8...12 kHz) +***********************************************************************/ + +extern const int bitrate_table [3][16]; +extern const int samplerate_table [3][ 4]; + +/* access functions for use in DLL, global vars are not exported */ +int CDECL lame_get_bitrate(int mpeg_version, int table_index); +int CDECL lame_get_samplerate(int mpeg_version, int table_index); + + +/* maximum size of albumart image (128KB), which affects LAME_MAXMP3BUFFER + as well since lame_encode_buffer() also returns ID3v2 tag data */ +#define LAME_MAXALBUMART (128 * 1024) + +/* maximum size of mp3buffer needed if you encode at most 1152 samples for + each call to lame_encode_buffer. see lame_encode_buffer() below + (LAME_MAXMP3BUFFER is now obsolete) */ +#define LAME_MAXMP3BUFFER (16384 + LAME_MAXALBUMART) + + +typedef enum { + LAME_OKAY = 0, + LAME_NOERROR = 0, + LAME_GENERICERROR = -1, + LAME_NOMEM = -10, + LAME_BADBITRATE = -11, + LAME_BADSAMPFREQ = -12, + LAME_INTERNALERROR = -13, + + FRONTEND_READERROR = -80, + FRONTEND_WRITEERROR = -81, + FRONTEND_FILETOOLARGE = -82 + +} lame_errorcodes_t; + +#if defined(__cplusplus) +} +#endif +#endif /* LAME_LAME_H */ + diff --git a/app/src/main/java/com/frank/ffmpeg/mp3/Mp3Converter.kt b/libmp3/src/main/java/com/frank/mp3/Mp3Converter.kt similarity index 99% rename from app/src/main/java/com/frank/ffmpeg/mp3/Mp3Converter.kt rename to libmp3/src/main/java/com/frank/mp3/Mp3Converter.kt index cc23403..8666b78 100644 --- a/app/src/main/java/com/frank/ffmpeg/mp3/Mp3Converter.kt +++ b/libmp3/src/main/java/com/frank/mp3/Mp3Converter.kt @@ -1,4 +1,4 @@ -package com.frank.ffmpeg.mp3 +package com.frank.mp3 import android.annotation.TargetApi import android.media.MediaCodec @@ -17,7 +17,7 @@ import java.nio.ByteOrder import java.util.concurrent.LinkedBlockingDeque @TargetApi(Build.VERSION_CODES.JELLY_BEAN) -class Mp3Converter { +open class Mp3Converter { private var mMediaCodec: MediaCodec? = null private var mediaExtractor: MediaExtractor? = null diff --git a/app/src/main/java/com/frank/ffmpeg/mp3/Mp3Lame.kt b/libmp3/src/main/java/com/frank/mp3/Mp3Lame.kt similarity index 77% rename from app/src/main/java/com/frank/ffmpeg/mp3/Mp3Lame.kt rename to libmp3/src/main/java/com/frank/mp3/Mp3Lame.kt index 0bcb07e..18402b7 100644 --- a/app/src/main/java/com/frank/ffmpeg/mp3/Mp3Lame.kt +++ b/libmp3/src/main/java/com/frank/mp3/Mp3Lame.kt @@ -1,19 +1,13 @@ -package com.frank.ffmpeg.mp3 - -import com.frank.ffmpeg.AudioPlayer +package com.frank.mp3 class Mp3Lame { - constructor() { - AudioPlayer.lameInitDefault() - } - internal constructor(builder: Mp3LameBuilder) { initialize(builder) } private fun initialize(builder: Mp3LameBuilder) { - AudioPlayer.lameInit(builder.inSampleRate, builder.outChannel, builder.outSampleRate, + Mp3Lite.lameInit(builder.inSampleRate, builder.outChannel, builder.outSampleRate, builder.outBitrate, builder.scaleInput, getIntForMode(builder.mode), getIntForVbrMode(builder.vbrMode), builder.quality, builder.vbrQuality, builder.abrMeanBitrate, builder.lowPassFreq, builder.highPassFreq, builder.id3tagTitle, builder.id3tagArtist, builder.id3tagAlbum, builder.id3tagYear, builder.id3tagComment) @@ -22,20 +16,20 @@ class Mp3Lame { fun encode(buffer_l: ShortArray, buffer_r: ShortArray, samples: Int, mp3buf: ByteArray): Int { - return AudioPlayer.lameEncode(buffer_l, buffer_r, samples, mp3buf) + return Mp3Lite.lameEncode(buffer_l, buffer_r, samples, mp3buf) } internal fun encodeBufferInterLeaved(pcm: ShortArray, samples: Int, mp3buf: ByteArray): Int { - return AudioPlayer.encodeBufferInterleaved(pcm, samples, mp3buf) + return Mp3Lite.encodeBufferInterleaved(pcm, samples, mp3buf) } fun flush(mp3buf: ByteArray): Int { - return AudioPlayer.lameFlush(mp3buf) + return Mp3Lite.lameFlush(mp3buf) } fun close() { - AudioPlayer.lameClose() + Mp3Lite.lameClose() } private fun getIntForMode(mode: Mp3LameBuilder.Mode): Int { diff --git a/app/src/main/java/com/frank/ffmpeg/mp3/Mp3LameBuilder.kt b/libmp3/src/main/java/com/frank/mp3/Mp3LameBuilder.kt similarity index 99% rename from app/src/main/java/com/frank/ffmpeg/mp3/Mp3LameBuilder.kt rename to libmp3/src/main/java/com/frank/mp3/Mp3LameBuilder.kt index c92325b..151847d 100644 --- a/app/src/main/java/com/frank/ffmpeg/mp3/Mp3LameBuilder.kt +++ b/libmp3/src/main/java/com/frank/mp3/Mp3LameBuilder.kt @@ -1,4 +1,4 @@ -package com.frank.ffmpeg.mp3 +package com.frank.mp3 class Mp3LameBuilder internal constructor() { diff --git a/libmp3/src/main/java/com/frank/mp3/Mp3Lite.java b/libmp3/src/main/java/com/frank/mp3/Mp3Lite.java new file mode 100644 index 0000000..b81573e --- /dev/null +++ b/libmp3/src/main/java/com/frank/mp3/Mp3Lite.java @@ -0,0 +1,31 @@ +package com.frank.mp3; + +/** + * Mp3Lite: use AudioTrack and OpenSL ES to play audio + * Created by frank on 2018/2/1. + */ + +public class Mp3Lite { + static { + System.loadLibrary("mp3-lite"); + } + + public native static void lameInitDefault(); + + public native static void lameInit(int inSamplerate, int outChannel, + int outSamplerate, int outBitrate, float scaleInput, int mode, int vbrMode, + int quality, int vbrQuality, int abrMeanBitrate, int lowpassFreq, int highpassFreq, String id3tagTitle, + String id3tagArtist, String id3tagAlbum, String id3tagYear, + String id3tagComment); + + public native static int lameEncode(short[] buffer_l, short[] buffer_r, + int samples, byte[] mp3buf); + + public native static int encodeBufferInterleaved(short[] pcm, int samples, + byte[] mp3buf); + + public native static int lameFlush(byte[] mp3buf); + + public native static void lameClose(); + +} diff --git a/libmp3/src/main/res/values/strings.xml b/libmp3/src/main/res/values/strings.xml new file mode 100644 index 0000000..8ad32ae --- /dev/null +++ b/libmp3/src/main/res/values/strings.xml @@ -0,0 +1,3 @@ + + LibMp3 + diff --git a/settings.gradle b/settings.gradle index b7327d6..b4a64a0 100644 --- a/settings.gradle +++ b/settings.gradle @@ -1 +1 @@ -include ':app', ':Live', ':OnLive' +include ':app', ':Live', ':OnLive', ':libmp3'