int doInit(LameConf* conf) {
int result;
conf->gf=lame_init();
if (conf->gf==NULL) {
//throwRuntimeException(env, "out of memory");
return org_tritonus_lowlevel_lame_Lame_OUT_OF_MEMORY;
}
lame_set_num_channels(conf->gf, conf->channels);
lame_set_in_samplerate(conf->gf, conf->sampleRate);
if (conf->mode!=org_tritonus_lowlevel_lame_Lame_CHANNEL_MODE_AUTO) {
lame_set_mode(conf->gf, conf->mode);
}
if (conf->VBR) {
lame_set_VBR(conf->gf, vbr_default);
lame_set_VBR_q(conf->gf, conf->quality);
} else {
if (conf->bitrate!=org_tritonus_lowlevel_lame_Lame_BITRATE_AUTO) {
lame_set_brate(conf->gf, conf->bitrate);
}
}
lame_set_quality(conf->gf, conf->quality);
result=lame_init_params(conf->gf);
// return effective values
conf->sampleRate=lame_get_out_samplerate(conf->gf);
conf->bitrate=lame_get_brate(conf->gf);
conf->mode=lame_get_mode(conf->gf);
conf->VBR=lame_get_VBR(conf->gf);
conf->quality=(conf->VBR)?lame_get_VBR_q(conf->gf):lame_get_quality(conf->gf);
conf->mpegVersion=lame_get_version(conf->gf);
return result;
}
MP3Encoder(UINT bitRate)
{
curBitRate = bitRate;
lgf = lame_init();
if(!lgf)
CrashError(TEXT("Unable to open mp3 encoder"));
lame_set_in_samplerate(lgf, App->GetSampleRateHz());
lame_set_out_samplerate(lgf, App->GetSampleRateHz());
lame_set_num_channels(lgf, 2);
lame_set_mode(lgf, STEREO);
lame_set_disable_reservoir(lgf, TRUE); //bit reservoir has to be disabled for seamless streaming
lame_set_VBR(lgf, vbr_off);
lame_set_brate(lgf, bitRate);
lame_init_params(lgf);
outputFrameSize = lame_get_framesize(lgf); //1152 usually
dwMP3MaxSize = DWORD(1.25*double(outputFrameSize*audioBlockSize) + 7200.0);
MP3OutputBuffer.SetSize(dwMP3MaxSize+1);
MP3OutputBuffer[0] = 0x2f;
bFirstPacket = true;
Log(TEXT("------------------------------------------"));
Log(TEXT("%s"), GetInfoString().Array());
}
int lame_enc_init(lame_enc *lame)
{
int rc;
char info_buf[256];
lame->gfp = lame_init();
lame_set_num_channels(lame->gfp, lame->channel);
lame_set_in_samplerate(lame->gfp, lame->samplerate_in);
lame_set_out_samplerate(lame->gfp, lame->samplerate_out);
lame_set_brate(lame->gfp, lame->bitrate);
if((rc = lame_init_params(lame->gfp)) < 0)
{
printf("bitrate: %d\n", lame->bitrate);
snprintf(info_buf, sizeof(info_buf),
"unable to init lame params %d", rc);
print_info(info_buf, 1);
return 1;
}
lame->state = LAME_READY;
return 0;
}
void
Java_com_test_lame_TestLameActivity_convertMP3(JNIEnv* env,jobject thiz,jstring inFile ,jstring outFile,
jstring progF, int sampleRate, int bitRate){
userCancel=0;
totBytes=0;
lame_global_flags *gf = lame_init();
lame_set_num_channels(gf, 1);
lame_set_in_samplerate(gf,sampleRate);
lame_set_brate(gf,bitRate);
lame_set_bWriteVbrTag(gf,0);
int ipr = lame_init_params(gf);
const char* outfs;
outfs = (*env)->GetStringUTFChars(env, outFile, NULL);
const char* infs;
infs = (*env)->GetStringUTFChars(env,inFile, NULL);
int enc_delay = -1;
int enc_padding = -1;
const char* progfs;
progfs = (*env)->GetStringUTFChars(env, progF, NULL);
//set the global progress file variable to be accessed in lame_encoder()
progFile = fopen(progfs,"w");
FILE *outf = init_files(gf,infs,outfs,&enc_delay,&enc_padding);
lame_encoder(gf, outf,0 ,infs ,outfs );
}
int enclameInit( hb_work_object_t * w, hb_job_t * job )
{
hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) );
hb_audio_t * audio = w->audio;
w->private_data = pv;
pv->job = job;
hb_log( "enclame: opening libmp3lame" );
pv->lame = lame_init();
// use ABR
lame_set_scale( pv->lame, 32768.0 );
if( audio->config.out.compression_level >= 0 )
{
lame_set_quality( pv->lame, audio->config.out.compression_level );
}
if( audio->config.out.bitrate > 0 )
{
lame_set_VBR( pv->lame, vbr_abr );
lame_set_VBR_mean_bitrate_kbps( pv->lame, audio->config.out.bitrate );
}
else if( audio->config.out.quality >= 0 )
{
lame_set_brate( pv->lame, 0 );
lame_set_VBR( pv->lame, vbr_default );
lame_set_VBR_quality( pv->lame, audio->config.out.quality );
}
lame_set_in_samplerate( pv->lame, audio->config.out.samplerate );
lame_set_out_samplerate( pv->lame, audio->config.out.samplerate );
pv->out_discrete_channels = hb_mixdown_get_discrete_channel_count( audio->config.out.mixdown );
// Lame's default encoding mode is JOINT_STEREO. This subtracts signal
// that is "common" to left and right (within some threshold) and encodes
// it separately. This improves quality at low bitrates, but hurts
// imaging (channel separation) at higher bitrates. So if the bitrate
// is suffeciently high, use regular STEREO mode.
if ( pv->out_discrete_channels == 1 )
{
lame_set_mode( pv->lame, MONO );
lame_set_num_channels( pv->lame, 1 );
}
else if ( audio->config.out.bitrate >= 128 )
{
lame_set_mode( pv->lame, STEREO );
}
lame_init_params( pv->lame );
pv->input_samples = 1152 * pv->out_discrete_channels;
pv->output_bytes = LAME_MAXMP3BUFFER;
pv->buf = malloc( pv->input_samples * sizeof( float ) );
audio->config.out.samples_per_frame = 1152;
pv->list = hb_list_init();
pv->pts = -1;
return 0;
}
int main(int argc, char** argv)
{
if(argc != 2)
{
printf("Usage: %s <wav file>\n", argv[0]);
exit(0);
}
lame_global_flags *gfp;
//set params
gfp = lame_init();
lame_set_num_channels(gfp,2);
lame_set_in_samplerate(gfp,44100);
lame_set_brate(gfp,128);
lame_set_mode(gfp,1);
lame_set_quality(gfp,2);
int ret_code = lame_init_params(gfp);
if(ret_code < 0)
{
printf("ret_code < 0\n");
exit(-1);
}
//read input file
int read, write;
FILE* pcm = fopen(argv[1], "rb");
char* outPath;
outPath = strdup(argv[1]);
sprintf(outPath+strlen(argv[1])-3, "mp3");
FILE* mp3 = fopen(outPath, "wb");
short int pcm_buffer[PCM_SIZE * 2];
unsigned char mp3_buffer[MP3_SIZE];
do
{
read = fread(pcm_buffer, 2*sizeof(short int), PCM_SIZE, pcm);
if(read == 0)
write = lame_encode_flush(gfp, mp3_buffer, MP3_SIZE);
else
write = lame_encode_buffer_interleaved(gfp, pcm_buffer, read, mp3_buffer, MP3_SIZE);
fwrite(mp3_buffer, write, sizeof (unsigned char), mp3);
}
while (read != 0);
lame_close(gfp);
fclose(mp3);
fclose(pcm);
exit(0);
}
void ensureInitialized() {
if (isOpen()) {
if (!m_init_params_called) {
m_init_params_called = true;
lame_init_params(m_gf);
}
}
}
bool LameAudioWriter::open_private()
{
m_fid = fopen(m_fileName.toUtf8().data(), "w+");
if (!m_fid) {
return false;
}
m_lameInfo->flags = lame_init();
if (m_lameInfo->flags == 0) {
PERROR("lame_init failed.");
return false;
}
if (m_channels == 1) {
lame_set_mode(m_lameInfo->flags, MONO);
}
lame_set_num_channels(m_lameInfo->flags, m_channels);
lame_set_in_samplerate(m_lameInfo->flags, m_rate);
lame_set_out_samplerate(m_lameInfo->flags, m_rate);
if(m_method == 0) {
// Constant Bitrate
lame_set_VBR(m_lameInfo->flags, vbr_off);
lame_set_brate(m_lameInfo->flags, m_maxBitrate);
}
else if (m_method == 1) {
// Average Bitrate
lame_set_VBR(m_lameInfo->flags, vbr_abr);
lame_set_VBR_mean_bitrate_kbps(m_lameInfo->flags, m_maxBitrate);
}
else if (m_method == 2) {
// Variable Bitrate (old)
lame_set_VBR(m_lameInfo->flags, vbr_default);
lame_set_VBR_min_bitrate_kbps(m_lameInfo->flags, m_minBitrate);
lame_set_VBR_max_bitrate_kbps(m_lameInfo->flags, m_maxBitrate);
}
else if (m_method == 3) {
// Variable Bitrate (new)
lame_set_VBR(m_lameInfo->flags, vbr_default);
lame_set_VBR_min_bitrate_kbps(m_lameInfo->flags, m_minBitrate);
lame_set_VBR_max_bitrate_kbps(m_lameInfo->flags, m_maxBitrate);
}
lame_set_quality(m_lameInfo->flags, m_quality);
//
// file options
//
lame_set_copyright(m_lameInfo->flags, false);
lame_set_original(m_lameInfo->flags, true);
lame_set_strict_ISO(m_lameInfo->flags, false);
lame_set_error_protection(m_lameInfo->flags, false);
return (lame_init_params(m_lameInfo->flags ) != -1);
}
long MP3_create(const char* format_parameters, amci_codec_fmt_info_t* format_description) {
mp3_coder_state* coder_state;
int ret_code;
coder_state = malloc(sizeof(mp3_coder_state));
if (!coder_state) {
ERROR("no memory for allocating mp3 coder state\n");
return -1;
}
DBG("MP3: creating lame %s\n", get_lame_version());
format_description[0].id = 0;
coder_state->gfp = lame_init();
if (!coder_state->gfp) {
ERROR("initialiting lame\n");
free(coder_state);
return -1;
}
lame_set_errorf(coder_state->gfp, &no_output);
lame_set_debugf(coder_state->gfp, &no_output);
lame_set_msgf(coder_state->gfp, &no_output);
lame_set_num_channels(coder_state->gfp,1);
lame_set_in_samplerate(coder_state->gfp,8000);
lame_set_brate(coder_state->gfp,16);
lame_set_mode(coder_state->gfp,3); // mono
lame_set_quality(coder_state->gfp,2); /* 2=high 5 = medium 7=low */
id3tag_init(coder_state->gfp);
id3tag_set_title(coder_state->gfp, "mp3 voicemail by iptel.org");
ret_code = lame_init_params(coder_state->gfp);
if (ret_code < 0) {
ERROR("lame encoder init failed: return code is %d\n", ret_code);
free(coder_state);
return -1;
}
#ifdef WITH_MPG123DECODER
coder_state->mpg123_h = mpg123_new(NULL, NULL);
if (!coder_state->mpg123_h) {
ERROR("initializing mpg123 decoder instance\n");
return -1;
}
/* suppress output */
mpg123_param(coder_state->mpg123_h, MPG123_FLAGS, MPG123_QUIET /* | MPG123_FORCE_MONO */,0);
/* mpg123_param(coder_state->mpg123_h, MPG123_VERBOSE, 0, 0); */
#endif
return (long)coder_state;
}
JNIEXPORT jint JNICALL JNIDEFINE(nativeOpenEncoder)(JNIEnv* env, jclass clz) {
lame = lame_init();
lame_set_in_samplerate(lame, 44100);
//lame_set_num_channels(lame, 1);
lame_set_VBR(lame, vbr_default);
lame_init_params(lame);
return 0;
}
static bool
lame_encoder_setup(struct lame_encoder *encoder, GError **error)
{
if (encoder->quality >= -1.0) {
/* a quality was configured (VBR) */
if (0 != lame_set_VBR(encoder->gfp, vbr_rh)) {
g_set_error(error, lame_encoder_quark(), 0,
"error setting lame VBR mode");
return false;
}
if (0 != lame_set_VBR_q(encoder->gfp, encoder->quality)) {
g_set_error(error, lame_encoder_quark(), 0,
"error setting lame VBR quality");
return false;
}
} else {
/* a bit rate was configured */
if (0 != lame_set_brate(encoder->gfp, encoder->bitrate)) {
g_set_error(error, lame_encoder_quark(), 0,
"error setting lame bitrate");
return false;
}
}
if (0 != lame_set_num_channels(encoder->gfp,
encoder->audio_format.channels)) {
g_set_error(error, lame_encoder_quark(), 0,
"error setting lame num channels");
return false;
}
if (0 != lame_set_in_samplerate(encoder->gfp,
encoder->audio_format.sample_rate)) {
g_set_error(error, lame_encoder_quark(), 0,
"error setting lame sample rate");
return false;
}
if (0 != lame_set_out_samplerate(encoder->gfp,
encoder->audio_format.sample_rate)) {
g_set_error(error, lame_encoder_quark(), 0,
"error setting lame out sample rate");
return false;
}
if (0 > lame_init_params(encoder->gfp)) {
g_set_error(error, lame_encoder_quark(), 0,
"error initializing lame params");
return false;
}
return true;
}
void AudioReader::exportAudioDataToMP3(const char* data)
{
QSettings settings;
emit TCMessage("Exporting MP3...");
int read, write;
FILE *pcm = fopen("TCTemp.wav", "wb");
fwrite(data,1,format.chunkSize,pcm);
fflush(pcm);
pcm = fopen("TCTemp.wav", "rb");
f = fopen(this->outfile.toLocal8Bit().constData(), "wb");
const int PCM_SIZE = 8192;
const int MP3_SIZE = 8192*2;
short int pcm_buffer[PCM_SIZE*2];
unsigned char mp3_buffer[MP3_SIZE];
lame_t lame = lame_init();
lame_set_in_samplerate(lame, format.SampleRate);
lame_set_VBR(lame, (vbr_mode)settings.value("vbr",0).toInt());
if(lame_get_VBR(lame)) {
lame_set_VBR_min_bitrate_kbps(lame,settings.value("min",128).toInt());
lame_set_VBR_max_bitrate_kbps(lame,settings.value("max",192).toInt());
}
else
{
lame_set_brate(lame,settings.value("min",128).toInt());
}
lame_set_num_channels(lame,(int)format.Channels);
lame_set_quality(lame,0);
if(format.Channels==1)lame_set_mode(lame,MONO);
else lame_set_mode(lame,STEREO);
lame_init_params(lame);
do {
if(!knock->running)break;
read = fread(pcm_buffer, 2*byte_size, PCM_SIZE, pcm);
fflush(f);
if (read == 0)
write = lame_encode_flush(lame, mp3_buffer, MP3_SIZE);
else
write = lame_encode_buffer_interleaved(lame, pcm_buffer, read, mp3_buffer, MP3_SIZE);
fwrite(mp3_buffer, write, 1, f);
fflush(f);
} while (read != 0);
lame_close(lame);
fclose(pcm);
if(unlink("TCTemp.wav")!=0) {
emit TCColor("color: red;");
emit TCMessage(QString("Error while removing TCTemp.wav"));
}
}
/*
* Class: com_example_mp3encodedemo_JNIMp3Encode
* Method: init
* Signature: (III)V
*/
JNIEXPORT void JNICALL Java_com_example_soundtouchdemo_JNIMp3Encode_init
(JNIEnv *env, jobject obj, jint channel, jint sampleRate, jint brate)
{
lame = lame_init();
lame_set_num_channels(lame, channel);
lame_set_in_samplerate(lame, sampleRate);
lame_set_brate(lame, brate);
lame_set_mode(lame, 1);
lame_set_quality(lame, 2);
lame_init_params(lame);
}
//this is an attempt to convert raw data frame by frame, if anyone can find a solution, send a patch.
void
Java_com_test_lame_TestLameActivity_convertMP3Realtime(JNIEnv* env,jobject thiz,jstring aaa,jstring outF, jshortArray inBytes,
int sampleRate, int bitRate){
userCancel=0;
lame_global_flags *gf = lame_init();
lame_set_num_channels(gf, 1);
lame_set_in_samplerate(gf,sampleRate);
lame_set_brate(gf,bitRate);
lame_set_bWriteVbrTag(gf,0);
int ipr = lame_init_params(gf);
const char* outfs;
outfs = (*env)->GetStringUTFChars(env, outF, NULL);
int enc_delay = -1;
int enc_padding = -1;
FILE * outf;
int outFopen=0;
if(outFopen == 0) {
outf = fopen(outfs,"a+b");
unsigned char mp3buffer[LAME_MAXMP3BUFFER];
int imp3 = lame_get_id3v2_tag(gf, mp3buffer, sizeof(mp3buffer));
fwrite(mp3buffer, 1, imp3, outf);
outFopen =1;
}
jshort* jInBytes = (*env)->GetShortArrayElements(env,inBytes,NULL);
jsize sizeIn = (*env)->GetArrayLength(env,inBytes);
short inInts[sizeIn];
int totRead=0;
int amountRead;
while(totRead < sizeIn) {
if(sizeIn - totRead < 1152) {
amountRead = sizeIn -totRead;
} else {
amountRead = 1152;
}
int i;
for(i=0;i< amountRead;i++) {
inInts[i] = jInBytes[i];
totRead++;
}
lame_realtime_encoder(gf, outf,0 ,inInts,amountRead);
}
//failing on JNI: unpinPrimitiveArray() failed to find entry (valid=0)
//(*env)->ReleaseByteArrayElements(env,jInBytes,inBytes,0);
}
/* initialize the lame library */
static void mp3streamout_tilde_lame_init(t_mp3streamout *x)
{
int ret;
x->lgfp = lame_init(); /* set default parameters for now */
#ifdef _WIN32
/* load lame_enc.dll library */
HINSTANCE dll;
dll=LoadLibrary("lame_enc.dll");
if(dll==NULL)
{
error("mp3streamout~: error loading lame_enc.dll");
closesocket(x->x_fd);
x->x_fd = -1;
outlet_float(x->x_obj.ob_outlet, 0);
post("mp3streamout~: connection closed");
return;
}
#endif
{
const char *lameVersion = get_lame_version();
logpost(NULL, 4, "mp3streamout~ : using lame version : %s", lameVersion );
}
/* setting lame parameters */
lame_set_num_channels( x->lgfp, 2);
lame_set_in_samplerate( x->lgfp, sys_getsr() );
lame_set_out_samplerate( x->lgfp, x->x_samplerate );
lame_set_brate( x->lgfp, x->x_bitrate );
lame_set_mode( x->lgfp, x->x_mp3mode );
lame_set_quality( x->lgfp, x->x_mp3quality );
lame_set_emphasis( x->lgfp, 1 );
lame_set_original( x->lgfp, 1 );
lame_set_copyright( x->lgfp, 1 ); /* viva free music societies !!! */
lame_set_disable_reservoir( x->lgfp, 0 );
//lame_set_padding_type( x->lgfp, PAD_NO ); /* deprecated in LAME */
ret = lame_init_params( x->lgfp );
if ( ret<0 )
{
post( "mp3streamout~ : error : lame params initialization returned : %d", ret );
}
else
{
x->x_lame=1;
/* magic formula copied from windows dll for MPEG-I */
x->x_lamechunk = 2*1152;
post( "mp3streamout~ : lame initialization done. (%d)", x->x_lame );
}
lame_init_bitstream( x->lgfp );
}
JNIEXPORT void JNICALL Java_com_czt_mp3recorder_util_LameUtil_init(
JNIEnv *env, jclass cls, jint inSamplerate, jint inChannel, jint outSamplerate, jint outBitrate, jint quality) {
if (lame != NULL) {
lame_close(lame);
lame = NULL;
}
lame = lame_init();
lame_set_in_samplerate(lame, inSamplerate);
lame_set_num_channels(lame, inChannel);//输入流的声道
lame_set_out_samplerate(lame, outSamplerate);
lame_set_brate(lame, outBitrate);
lame_set_quality(lame, quality);
lame_init_params(lame);
}
JNIEXPORT void JNICALL Java_com_xiong_richard_greyparrot_SimpleLame_init(
JNIEnv *env, jclass cls, jint inSamplerate, jint outChannel,
jint outSamplerate, jint outBitrate, jint quality) {
if (glf != NULL) {
lame_close(glf);
glf = NULL;
}
glf = lame_init();
lame_set_in_samplerate(glf, inSamplerate);
lame_set_num_channels(glf, outChannel);
lame_set_out_samplerate(glf, outSamplerate);
lame_set_brate(glf, outBitrate);
lame_set_quality(glf, quality);
lame_init_params(glf);
}
JNIEXPORT void JNICALL Java_cn_net_xyd_videoaudiodemo_mp3lame_SimpleLame_init(
JNIEnv *env, jclass cls, jint inSamplerate, jint outChannel,
jint outSamplerate, jint outBitrate, jint quality) {
if (glf != NULL) {
lame_close(glf);
glf = NULL;
}
glf = lame_init();
lame_set_in_samplerate(glf, inSamplerate);
lame_set_num_channels(glf, outChannel);
lame_set_out_samplerate(glf, outSamplerate);
lame_set_brate(glf, outBitrate);
lame_set_quality(glf, quality);
lame_init_params(glf);
}
void Java_ice_caster_android_shout_Lame_init(
JNIEnv *env, jclass cls, jint inSamplerate, jint outChannel,
jint outSamplerate, jint outBitrate, jint quality) {
if (glf != NULL) {
lame_close(glf);
glf = NULL;
}
glf = lame_init();
lame_set_in_samplerate(glf, inSamplerate);
lame_set_num_channels(glf, outChannel);
lame_set_out_samplerate(glf, outSamplerate);
lame_set_brate(glf, outBitrate);
lame_set_quality(glf, quality);
lame_init_params(glf);
}
JNIEXPORT void JNICALL Java_org_proof_recorder_service_jni_SimpleLame_init(
JNIEnv *env, jclass cls, jint inSamplerate, jint outChannel,
jint outSamplerate, jint outBitrate, jint quality) {
if (glf != NULL) {
lame_close(glf);
glf = NULL;
}
glf = lame_init();
lame_set_in_samplerate(glf, inSamplerate);
lame_set_num_channels(glf, outChannel);
lame_set_out_samplerate(glf, outSamplerate);
lame_set_brate(glf, outBitrate);
lame_set_quality(glf, quality);
lame_init_params(glf);
}
JNIEXPORT void JNICALL Java_com_anhuioss_crowdroid_util_RecordVoiceToMp3Lame_init(
JNIEnv *env, jclass cls, jint inSamplerate, jint outChannel,
jint outSamplerate, jint outBitrate, jint quality) {
if (glf != NULL) {
lame_close(glf);
glf = NULL;
}
glf = lame_init();
lame_set_in_samplerate(glf, inSamplerate);
lame_set_num_channels(glf, outChannel);
lame_set_out_samplerate(glf, outSamplerate);
lame_set_brate(glf, outBitrate);
lame_set_quality(glf, quality);
lame_init_params(glf);
}
void Encoder(char* src, char* dst){
//printf("Inside Encoder : %s \n",src);
//printf("Inside Encoder : %s \n",dst);
if(src == NULL || dst == NULL)
return;
int read, write;
FILE* wav;
FILE* mp3;
wav = fopen(src, "rb");
if(wav == NULL){
printf(" Unable to open the file %s \n", src);
return;
}
mp3 = fopen(dst, "wb");
if(mp3 == NULL){
printf(" Unable to open the file %s \n", dst);
return;
}
const int PCM_SIZE = 8192;
const int MP3_SIZE = 8192;
short int PCM_BUFFER[2*PCM_SIZE];
char MP3_BUFFER[MP3_SIZE];
lame_t lame = lame_init();
lame_set_in_samplerate(lame, 44100);
lame_set_VBR(lame, vbr_default);
lame_init_params(lame);
do {
read = fread(PCM_BUFFER, 2*sizeof(short int), PCM_SIZE, wav);
if (read == 0)
write = lame_encode_flush(lame, MP3_BUFFER, MP3_SIZE);
else
write = lame_encode_buffer_interleaved(lame, PCM_BUFFER, read, MP3_BUFFER, MP3_SIZE);
fwrite(MP3_BUFFER, write, 1, mp3);
} while (read != 0);
lame_close(lame);
fclose(wav);
fclose(mp3);
}
void Java_com_iliayugai_zapp_utils_CommonUtils_initEncoder(JNIEnv *env,
jobject jobj, jint in_num_channels, jint in_samplerate, jint in_brate,
jint in_mode, jint in_quality) {
lame = lame_init();
LOGD("Init parameters:");
lame_set_num_channels(lame, in_num_channels);
LOGD("Number of channels: %d", in_num_channels);
lame_set_in_samplerate(lame, in_samplerate);
LOGD("Sample rate: %d", in_samplerate);
lame_set_brate(lame, in_brate);
LOGD("Bitrate: %d", in_brate);
lame_set_mode(lame, in_mode);
LOGD("Mode: %d", in_mode);
lame_set_quality(lame, in_quality);
LOGD("Quality: %d", in_quality);
int res = lame_init_params(lame);
LOGD("Init returned: %d", res);
}
void Java_mobi_cangol_mobile_utils_LameUtils_initEncoder(JNIEnv *env,
jobject jobj, jint in_num_channels, jint in_samplerate, jint in_brate,
jint in_mode, jint in_quality) {
lame = lame_init();
LOGD("Init parameters:",NULL);
lame_set_num_channels(lame, in_num_channels);
LOGD("Number of channels: %d", in_num_channels);
lame_set_in_samplerate(lame, in_samplerate);
LOGD("Sample rate: %d", in_samplerate);
lame_set_brate(lame, in_brate);
LOGD("Bitrate: %d", in_brate);
lame_set_mode(lame, in_mode);
LOGD("Mode: %d", in_mode);
lame_set_quality(lame, in_quality);
LOGD("Quality: %d", in_quality);
int res = lame_init_params(lame);
LOGD("Init returned: %d", res);
}
bool KRecExport_MP3::initialize( const QString &filename ) {
kdDebug( 60005 ) << k_funcinfo << endl;
if ( !_file &&
!( bits()!=16 && channels()!=2 &&
KMessageBox::warningContinueCancel( KRecGlobal::the()->mainWidget(),
i18n( "At this time MP3-Export only supports files in stereo and 16bit." )
) == KMessageBox::Cancel
)
) {
KMessageBox::information( KRecGlobal::the()->mainWidget(),
i18n( "Please note that this plugin takes its qualitysettings from" \
" the corresponding section of the Audio CDs Control Center module" \
" configuration. Make use" \
" of the Control Center to configure these settings." ),
i18n( "Quality Configuration" ), "qualityinfo_mp3" );
_file = new QFile( filename );
if ( _file->open( IO_Raw|IO_WriteOnly ) ) {
if ( ! init_done ) {
gfp = lame_init();
setLameParameters();
if ( write_id3 ) {
id3tag_init( gfp );
id3tag_v1_only ( gfp );
id3tag_set_album ( gfp, "" );
id3tag_set_artist ( gfp, "" );
id3tag_set_title ( gfp, "" );
id3tag_set_comment( gfp, "krec" );
}
/// Set input parameters right
lame_set_in_samplerate( gfp, this->samplingRate() );
lame_set_num_channels( gfp, this->channels() );
lame_init_params( gfp );
}
if ( _file->size() >= 128 )
_file->at( _file->size() - 128 );
else
_file->at( _file->size() );
} else return false;
return true;
} else return false;
}
bool Mp3Writer::open(const QString &fn, long sr, bool s) {
bool b = AudioFileWriter::open(fn + ".mp3", sr, s);
if (!b)
return false;
lame = lame_init();
if (!lame)
return false;
bitRate = preferences.get(Pref::OutputFormatMp3Bitrate).toInt();
lame_set_in_samplerate(lame, sampleRate);
lame_set_num_channels(lame, stereo ? 2 : 1);
lame_set_out_samplerate(lame, sampleRate);
// TODO: do we need this?
lame_set_bWriteVbrTag(lame, 0);
lame_set_mode(lame, stereo ? STEREO : MONO);
lame_set_brate(lame, bitRate);
if (lame_init_params(lame) == -1)
return false;
return true;
}
static switch_status_t shout_file_write(switch_file_handle_t *handle, void *data, size_t *len)
{
shout_context_t *context;
int rlen = 0;
int16_t *audio = data;
size_t nsamples = *len;
if (!handle) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error no handle\n");
return SWITCH_STATUS_FALSE;
}
if (!(context = handle->private_info)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error no context\n");
return SWITCH_STATUS_FALSE;
}
if (context->err) {
return SWITCH_STATUS_FALSE;
}
if (context->shout && !context->shout_init) {
if (!context->gfp) {
return SWITCH_STATUS_FALSE;
}
context->shout_init++;
if (shout_open(context->shout) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening stream: %s\n", shout_get_error(context->shout));
context->err++;
return SWITCH_STATUS_FALSE;
}
launch_write_stream_thread(context);
}
if (handle->handler && context->audio_mutex) {
switch_mutex_lock(context->audio_mutex);
if (context->audio_buffer) {
if (!switch_buffer_write(context->audio_buffer, data, (nsamples * sizeof(int16_t) * handle->channels))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Buffer error\n");
context->err++;
}
} else {
context->err++;
}
switch_mutex_unlock(context->audio_mutex);
if (context->err) {
return SWITCH_STATUS_FALSE;
}
handle->sample_count += *len;
return SWITCH_STATUS_SUCCESS;
}
if (!context->lame_ready) {
lame_init_params(context->gfp);
lame_print_config(context->gfp);
context->lame_ready = 1;
}
if (context->mp3buflen < nsamples * 4) {
context->mp3buflen = nsamples * 4;
context->mp3buf = switch_core_alloc(context->memory_pool, context->mp3buflen);
}
if (handle->channels == 2) {
switch_size_t i, j = 0;
if (context->llen < nsamples) {
context->l = switch_core_alloc(context->memory_pool, nsamples * 2);
context->r = switch_core_alloc(context->memory_pool, nsamples * 2);
context->llen = context->rlen = nsamples;
}
for (i = 0; i < nsamples; i++) {
context->l[i] = audio[j++];
context->r[i] = audio[j++];
}
if ((rlen = lame_encode_buffer(context->gfp, context->l, context->r, nsamples, context->mp3buf, context->mp3buflen)) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
return SWITCH_STATUS_FALSE;
}
} else if (handle->channels == 1) {
if ((rlen = lame_encode_buffer(context->gfp, audio, NULL, nsamples, context->mp3buf, context->mp3buflen)) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
return SWITCH_STATUS_FALSE;
}
} else {
rlen = 0;
}
if (rlen) {
int ret = fwrite(context->mp3buf, 1, rlen, context->fp);
if (ret < 0) {
return SWITCH_STATUS_FALSE;
}
}
handle->sample_count += *len;
return SWITCH_STATUS_SUCCESS;
}
static void *SWITCH_THREAD_FUNC write_stream_thread(switch_thread_t *thread, void *obj)
{
shout_context_t *context = (shout_context_t *) obj;
switch_thread_rwlock_rdlock(context->rwlock);
if (context->thread_running) {
context->thread_running++;
} else {
switch_thread_rwlock_unlock(context->rwlock);
return NULL;
}
if (!context->lame_ready) {
lame_init_params(context->gfp);
lame_print_config(context->gfp);
context->lame_ready = 1;
}
while (!context->err && context->thread_running) {
unsigned char mp3buf[8192] = "";
int16_t audio[9600] = { 0 };
switch_size_t audio_read = 0;
int rlen = 0;
long ret = 0;
switch_mutex_lock(context->audio_mutex);
if (context->audio_buffer) {
audio_read = switch_buffer_read(context->audio_buffer, audio, sizeof(audio));
} else {
context->err++;
}
switch_mutex_unlock(context->audio_mutex);
error_check();
if (!audio_read) {
audio_read = sizeof(audio);
memset(audio, 255, sizeof(audio));
}
if (context->channels == 2) {
int16_t l[4800] = { 0 };
int16_t r[4800] = { 0 };
int j = 0;
switch_size_t i;
for (i = 0; i < audio_read / 4; i++) {
l[i] = audio[j++];
r[i] = audio[j++];
}
if ((rlen = lame_encode_buffer(context->gfp, l, r, audio_read / 4, mp3buf, sizeof(mp3buf))) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
goto error;
}
} else if (context->channels == 1) {
if ((rlen = lame_encode_buffer(context->gfp, (void *) audio, NULL, audio_read / sizeof(int16_t), mp3buf, sizeof(mp3buf))) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
goto error;
}
}
if (rlen) {
ret = shout_send(context->shout, mp3buf, rlen);
if (ret != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Send error: %s\n", shout_get_error(context->shout));
goto error;
}
} else {
memset(mp3buf, 0, 128);
ret = shout_send(context->shout, mp3buf, 128);
}
shout_sync(context->shout);
switch_yield(100000);
}
error:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Write Thread Done\n");
switch_thread_rwlock_unlock(context->rwlock);
context->thread_running = 0;
return NULL;
}
void do_broadcast(switch_stream_handle_t *stream)
{
char *path_info = switch_event_get_header(stream->param_event, "http-path-info");
char *file;
lame_global_flags *gfp = NULL;
switch_file_handle_t fh = { 0 };
unsigned char mp3buf[TC_BUFFER_SIZE] = "";
uint8_t buf[1024];
int rlen;
int is_local = 0;
uint32_t interval = 20000;
if (strstr(path_info + 7, "://")) {
file = strdup(path_info + 7);
is_local++;
} else {
file = switch_mprintf("%s/streamfiles/%s", SWITCH_GLOBAL_dirs.base_dir, path_info + 7);
}
assert(file);
if (switch_core_file_open(&fh, file, 0, 0, SWITCH_FILE_FLAG_READ | SWITCH_FILE_DATA_SHORT, NULL) != SWITCH_STATUS_SUCCESS) {
memset(&fh, 0, sizeof(fh));
stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>File not found</h2>\n");
goto end;
}
if (switch_test_flag((&fh), SWITCH_FILE_NATIVE)) {
stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>File format not supported</h2>\n");
goto end;
}
if (!(gfp = lame_init())) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n");
goto end;
}
lame_set_num_channels(gfp, fh.channels);
lame_set_in_samplerate(gfp, fh.samplerate);
lame_set_brate(gfp, 16 * (fh.samplerate / 8000) * fh.channels);
lame_set_mode(gfp, 3);
lame_set_quality(gfp, 2);
lame_set_errorf(gfp, log_error);
lame_set_debugf(gfp, log_debug);
lame_set_msgf(gfp, log_msg);
lame_set_bWriteVbrTag(gfp, 0);
lame_mp3_tags_fid(gfp, NULL);
lame_init_params(gfp);
lame_print_config(gfp);
stream->write_function(stream, "Content-type: audio/mpeg\r\n" "Content-Disposition: inline; filename=\"%s.mp3\"\r\n\r\n", path_info + 7);
if (fh.interval) {
interval = fh.interval * 1000;
}
for (;;) {
switch_size_t samples = sizeof(buf) / 2;
switch_core_file_read(&fh, buf, &samples);
if (is_local) {
switch_yield(interval);
}
if (!samples) {
break;
}
if ((rlen = lame_encode_buffer(gfp, (void *) buf, NULL, samples, mp3buf, sizeof(mp3buf))) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
goto end;
}
if (rlen) {
if (stream->raw_write_function(stream, mp3buf, rlen)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disconnected\n");
goto end;
}
}
}
while ((rlen = lame_encode_flush(gfp, mp3buf, sizeof(mp3buf))) > 0) {
if (stream->raw_write_function(stream, mp3buf, rlen)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disconnected\n");
goto end;
}
}
end:
if (fh.channels) {
switch_core_file_close(&fh);
}
switch_safe_free(file);
if (gfp) {
lame_close(gfp);
gfp = NULL;
}
}
void do_telecast(switch_stream_handle_t *stream)
{
char *path_info = switch_event_get_header(stream->param_event, "http-path-info");
char *uuid = strdup(path_info + 4);
switch_core_session_t *tsession;
char *fname = "stream.mp3";
if ((fname = strchr(uuid, '/'))) {
*fname++ = '\0';
}
if (!(tsession = switch_core_session_locate(uuid))) {
char *ref = switch_event_get_header(stream->param_event, "http-referer");
stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>Not Found!</h2>\n" "<META http-equiv=\"refresh\" content=\"1;URL=%s\">", ref);
} else {
switch_media_bug_t *bug = NULL;
switch_buffer_t *buffer = NULL;
switch_mutex_t *mutex;
switch_channel_t *channel = switch_core_session_get_channel(tsession);
lame_global_flags *gfp = NULL;
switch_codec_implementation_t read_impl = { 0 };
switch_core_session_get_read_impl(tsession, &read_impl);
if (switch_channel_test_flag(channel, CF_PROXY_MODE)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Stepping into media path so this will work!\n");
switch_ivr_media(uuid, SMF_REBRIDGE);
}
if (!(gfp = lame_init())) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n");
goto end;
}
lame_set_num_channels(gfp, read_impl.number_of_channels);
lame_set_in_samplerate(gfp, read_impl.actual_samples_per_second);
lame_set_brate(gfp, 16 * (read_impl.actual_samples_per_second / 8000) * read_impl.number_of_channels);
lame_set_mode(gfp, 3);
lame_set_quality(gfp, 2);
lame_set_errorf(gfp, log_error);
lame_set_debugf(gfp, log_debug);
lame_set_msgf(gfp, log_msg);
lame_set_bWriteVbrTag(gfp, 0);
lame_mp3_tags_fid(gfp, NULL);
lame_init_params(gfp);
lame_print_config(gfp);
switch_mutex_init(&mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(tsession));
switch_buffer_create_dynamic(&buffer, 1024, 2048, 0);
switch_buffer_add_mutex(buffer, mutex);
if (switch_core_media_bug_add(tsession, "telecast", NULL,
telecast_callback, buffer, 0,
SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_PING, &bug) != SWITCH_STATUS_SUCCESS) {
goto end;
}
stream->write_function(stream, "Content-type: audio/mpeg\r\n" "Content-Disposition: inline; filename=\"%s\"\r\n\r\n", fname);
while (switch_channel_ready(channel)) {
unsigned char mp3buf[TC_BUFFER_SIZE] = "";
int rlen;
uint8_t buf[1024];
switch_size_t bytes = 0;
if (switch_buffer_inuse(buffer) >= 1024) {
switch_buffer_lock(buffer);
bytes = switch_buffer_read(buffer, buf, sizeof(buf));
switch_buffer_unlock(buffer);
} else {
if (!bytes) {
switch_cond_next();
continue;
}
memset(buf, 0, bytes);
}
if ((rlen = lame_encode_buffer(gfp, (void *) buf, NULL, bytes / 2, mp3buf, sizeof(mp3buf))) < 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen);
goto end;
}
if (rlen) {
if (stream->raw_write_function(stream, mp3buf, rlen)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disconnected\n");
goto end;
}
}
}
end:
switch_safe_free(uuid);
if (gfp) {
lame_close(gfp);
gfp = NULL;
}
if (bug) {
switch_core_media_bug_remove(tsession, &bug);
}
if (buffer) {
switch_buffer_destroy(&buffer);
}
switch_core_session_rwunlock(tsession);
}
}
