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;
}
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());
}
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 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;
}
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);
}
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;
}
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_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_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_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 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);
}
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);
}
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_open(switch_file_handle_t *handle, const char *path)
{
shout_context_t *context;
char *host, *file;
char *username, *password, *port;
char *err = NULL;
const char *mpg123err = NULL;
int portno = 0;
if ((context = switch_core_alloc(handle->memory_pool, sizeof(*context))) == 0) {
return SWITCH_STATUS_MEMERR;
}
if (!handle->samplerate) {
handle->samplerate = 8000;
}
context->memory_pool = handle->memory_pool;
context->samplerate = handle->samplerate;
context->handle = handle;
switch_thread_rwlock_create(&(context->rwlock), context->memory_pool);
switch_thread_rwlock_rdlock(context->rwlock);
switch_mutex_init(&context->audio_mutex, SWITCH_MUTEX_NESTED, context->memory_pool);
if (switch_test_flag(handle, SWITCH_FILE_FLAG_READ)) {
if (switch_buffer_create_dynamic(&context->audio_buffer, TC_BUFFER_SIZE, TC_BUFFER_SIZE * 2, 0) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
goto error;
}
context->mh = our_mpg123_new(NULL, NULL);
if (mpg123_format_all(context->mh) != MPG123_OK) {
MPGERROR();
}
if (mpg123_param(context->mh, MPG123_FORCE_RATE, context->samplerate, 0) != MPG123_OK) {
MPGERROR();
}
if (handle->handler) {
if (mpg123_param(context->mh, MPG123_FLAGS, MPG123_SEEKBUFFER | MPG123_MONO_MIX, 0) != MPG123_OK) {
MPGERROR();
}
if (mpg123_open_feed(context->mh) != MPG123_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening mpg feed\n");
mpg123err = mpg123_strerror(context->mh);
goto error;
}
context->stream_url = switch_core_sprintf(context->memory_pool, "http://%s", path);
context->prebuf = handle->prebuf;
launch_read_stream_thread(context);
} else {
handle->seekable = 1;
if (mpg123_param(context->mh, MPG123_FLAGS, MPG123_MONO_MIX, 0) != MPG123_OK) {
MPGERROR();
}
if (mpg123_open(context->mh, path) != MPG123_OK) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening %s\n", path);
mpg123err = mpg123_strerror(context->mh);
goto error;
}
}
} else if (switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
if (switch_test_flag(handle, SWITCH_FILE_WRITE_APPEND)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Appending to MP3 not supported.\n");
}
if (!(context->gfp = lame_init())) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n");
goto error;
}
if (!handle->handler) {
id3tag_init(context->gfp);
id3tag_v2_only(context->gfp);
id3tag_pad_v2(context->gfp);
}
context->channels = handle->channels;
lame_set_brate(context->gfp, 16 * (handle->samplerate / 8000) * handle->channels);
lame_set_num_channels(context->gfp, handle->channels);
lame_set_in_samplerate(context->gfp, handle->samplerate);
lame_set_out_samplerate(context->gfp, handle->samplerate);
if (handle->channels == 2) {
lame_set_mode(context->gfp, STEREO);
} else {
lame_set_mode(context->gfp, MONO);
}
lame_set_quality(context->gfp, 2); /* 2=high 5 = medium 7=low */
lame_set_errorf(context->gfp, log_error);
lame_set_debugf(context->gfp, log_debug);
lame_set_msgf(context->gfp, log_msg);
if (handle->handler) {
if (switch_buffer_create_dynamic(&context->audio_buffer, MY_BLOCK_SIZE, MY_BUF_LEN, 0) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error!\n");
goto error;
}
lame_set_bWriteVbrTag(context->gfp, 0);
lame_mp3_tags_fid(context->gfp, NULL);
username = switch_core_strdup(handle->memory_pool, path);
if (!(password = strchr(username, ':'))) {
err = "invalid url";
goto error;
}
*password++ = '\0';
if (!(host = strchr(password, '@'))) {
err = "invalid url";
goto error;
}
*host++ = '\0';
if ((file = strchr(host, '/'))) {
*file++ = '\0';
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid URL: %s\n", path);
goto error;
}
if ((port = strchr(host, ':'))) {
*port++ = '\0';
if (port) {
portno = atoi(port);
}
}
if (!portno) {
portno = 8000;
}
if (!(context->shout = shout_new())) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate shout_t\n");
goto error;
}
if (shout_set_host(context->shout, host) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting hostname: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_protocol(context->shout, SHOUT_PROTOCOL_HTTP) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting protocol: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_port(context->shout, portno) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting port: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_password(context->shout, password) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting password: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_mount(context->shout, file) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting mount: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_user(context->shout, username) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting user: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_url(context->shout, "http://www.freeswitch.org") != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting name: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_description(context->shout, "FreeSWITCH mod_shout Broadcasting Module") != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting description: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_audio_info(context->shout, "bitrate", "24000") != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting bitrate: %s\n", shout_get_error(context->shout));
goto error;
}
if (shout_set_format(context->shout, SHOUT_FORMAT_MP3) != SHOUTERR_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error setting format: %s\n", shout_get_error(context->shout));
goto error;
}
} else {
/* lame being lame and all has FILE * coded into it's API for some functions so we gotta use it */
if (!(context->fp = fopen(path, "wb+"))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error opening %s\n", path);
goto error;
}
}
}
handle->samples = 0;
handle->format = 0;
handle->sections = 0;
handle->speed = 0;
handle->private_info = context;
switch_thread_rwlock_unlock(context->rwlock);
return SWITCH_STATUS_SUCCESS;
error:
switch_thread_rwlock_unlock(context->rwlock);
if (err) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error: %s\n", err);
}
if (mpg123err) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error from mpg123: %s\n", mpg123err);
}
free_context(context);
return SWITCH_STATUS_GENERR;
}
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);
}
}
int mp3_encode(int fd_in, int fd_out) {
lame_global_flags *gfp;
uint32_t i, j, k, count;
int16_t *b0 = 0, *b1 = 0;
unsigned char *c;
int ret;
/* calculate data size*/
k = (uint32_t) lseek(fd_in, 0, SEEK_CUR);
i = (uint32_t) lseek(fd_in, 0, SEEK_END);
lseek(fd_in, k, SEEK_SET);
i -= k;
k = 0;
gfp = lame_init();
lame_set_errorf(gfp,lame_error_handler);
lame_set_debugf(gfp,lame_error_handler);
lame_set_msgf(gfp,lame_error_handler);
lame_set_num_channels(gfp,2);
lame_set_in_samplerate(gfp,8000);
#if 0
lame_set_brate(gfp,64); /* compress 1:4 */
lame_set_mode(gfp,0); /* mode = stereo */
lame_set_quality(gfp,2); /* 2=high 5 = medium 7=low */
#else
lame_set_quality(gfp,5); /* 2=high 5 = medium 7=low */
lame_set_mode(gfp,3); /* mode = mono */
if(lame_get_VBR(gfp) == vbr_off) lame_set_VBR(gfp, vbr_default);
lame_set_VBR_quality(gfp, 7.0);
lame_set_findReplayGain(gfp, 0);
lame_set_bWriteVbrTag(gfp, 1);
lame_set_out_samplerate(gfp,11025);
/* lame_set_num_samples(gfp,i/2); */
#endif
if(lame_init_params(gfp) < 0) {
log_err("encode: failed to init lame");
return 0;
}
#define CHSZ (512*1024)
#define OCHSZ (5*(CHSZ/8)+7200)
b0 = (int16_t *) malloc(OCHSZ);
b1 = (int16_t *) malloc(CHSZ);
if(!b0 || !b1) {
log_err("encode: out of memory");
if(b0) free(b0);
if(b1) free(b1);
return 0;
}
do {
ret = 0; j = 0; count = 0;
for(c = (unsigned char*) b1; count < CHSZ; c += ret) {
j = (k + RSZ > i) ? i - k : RSZ;
ret = read(fd_in,c,j);
if(ret < 0) break;
k += ret; count += ret;
if(k == i) break;
}
if(ret < 0) break;
if(count) {
ret = lame_encode_buffer(gfp,b1,b1,count/2,(unsigned char *)b0,OCHSZ);
if(ret < 0) break;
c = (unsigned char *) b0;
count = ret;
for(j = 0; j < count; j += RSZ, c += ret) {
ret = (j + RSZ > count) ? count - j : RSZ;
write(fd_out,c,ret);
}
}
} while(k < i);
k = (uint32_t) lame_encode_flush(gfp,(unsigned char *)b0,OCHSZ);
if(k) write(fd_out,b0,k);
k = lame_get_lametag_frame(gfp,(unsigned char *)b0,OCHSZ);
if(k > 0) write(fd_out,b0,k);
lame_close(gfp);
free(b0);
free(b1);
return 1;
}
//////////////////////////////////////////////////////////////////////
// Init - initialized or reiniyialized encoder SDK with given input
// and output settings
//////////////////////////////////////////////////////////////////////
HRESULT CEncoder::Init()
{
CAutoLock l(&m_lock);
m_outOffset = 0;
m_outReadOffset = 0;
m_bFinished = FALSE;
m_frameCount = 0;
if (!pgf)
{
if (!m_bInpuTypeSet || !m_bOutpuTypeSet)
return E_UNEXPECTED;
// Init Lame library
// note: newer, safer interface which doesn't
// allow or require direct access to 'gf' struct is being written
// see the file 'API' included with LAME.
if (pgf = lame_init())
{
lame_set_num_channels(pgf, m_wfex.nChannels);
lame_set_in_samplerate(pgf, m_wfex.nSamplesPerSec);
lame_set_out_samplerate(pgf, m_mabsi.dwSampleRate);
if ((lame_get_out_samplerate(pgf) >= 32000) && (m_mabsi.dwBitrate < 32))
lame_set_brate(pgf, 32);
else
lame_set_brate(pgf, m_mabsi.dwBitrate);
lame_set_VBR(pgf, m_mabsi.vmVariable);
lame_set_VBR_min_bitrate_kbps(pgf, m_mabsi.dwVariableMin);
lame_set_VBR_max_bitrate_kbps(pgf, m_mabsi.dwVariableMax);
lame_set_copyright(pgf, m_mabsi.bCopyright);
lame_set_original(pgf, m_mabsi.bOriginal);
lame_set_error_protection(pgf, m_mabsi.bCRCProtect);
lame_set_bWriteVbrTag(pgf, m_mabsi.dwXingTag);
lame_set_strict_ISO(pgf, m_mabsi.dwStrictISO);
lame_set_VBR_hard_min(pgf, m_mabsi.dwEnforceVBRmin);
if (lame_get_num_channels(pgf) == 2 && !m_mabsi.bForceMono)
{
//int act_br = pgf->VBR ? pgf->VBR_min_bitrate_kbps + pgf->VBR_max_bitrate_kbps / 2 : pgf->brate;
// Disabled. It's for user's consideration now
//int rel = pgf->out_samplerate / (act_br + 1);
//pgf->mode = rel < 200 ? m_mabsi.ChMode : JOINT_STEREO;
lame_set_mode(pgf, m_mabsi.ChMode);
}
else
lame_set_mode(pgf, MONO);
if (lame_get_mode(pgf) == JOINT_STEREO)
lame_set_force_ms(pgf, m_mabsi.dwForceMS);
else
lame_set_force_ms(pgf, 0);
// pgf->mode_fixed = m_mabsi.dwModeFixed;
if (m_mabsi.dwVoiceMode != 0)
{
lame_set_lowpassfreq(pgf,12000);
///pgf->VBR_max_bitrate_kbps = 160;
}
if (m_mabsi.dwKeepAllFreq != 0)
{
///pgf->lowpassfreq = -1;
///pgf->highpassfreq = -1;
/// not available anymore
}
lame_set_quality(pgf, m_mabsi.dwQuality);
lame_set_VBR_q(pgf, m_mabsi.dwVBRq);
lame_init_params(pgf);
// encoder delay compensation
{
int const nch = lame_get_num_channels(pgf);
short * start_padd = (short *)calloc(48, nch * sizeof(short));
int out_bytes = 0;
if (nch == 2)
out_bytes = lame_encode_buffer_interleaved(pgf, start_padd, 48, m_outFrameBuf, OUT_BUFFER_SIZE);
else
out_bytes = lame_encode_buffer(pgf, start_padd, start_padd, 48, m_outFrameBuf, OUT_BUFFER_SIZE);
if (out_bytes > 0)
m_outOffset += out_bytes;
free(start_padd);
}
return S_OK;
}
return E_FAIL;
}
return S_OK;
}
bool WaveEncoder::ToMP3(const std::string &destFileName)
{
FILE *pcm = fopen(m_source.c_str(), "rb");
FILE *mp3 = fopen(destFileName.c_str(), "wb");
fseek(pcm, 0, SEEK_END);
float pcm_length = ftell(pcm);
float pcm_read = 0;
int percentage = 0;
fseek(pcm, 0, SEEK_SET);
if(pcm == 0 || mp3 == 0)
{
m_lastErrorMessage = "Failed to open output stream.";
return false;
}
int read, write;
const int PCM_SIZE = 8192;
const int MP3_SIZE = 8192;
short int pcm_buffer[PCM_SIZE*2];
unsigned char mp3_buffer[MP3_SIZE];
lame_t lame = lame_init();
lame_set_num_channels(lame, 2);
if(m_quality == 3)
{
lame_set_in_samplerate(lame, 48000);
lame_set_brate(lame, 320);
lame_set_quality(lame, 2);
}
else if(m_quality == 2)
{
lame_set_in_samplerate(lame, 48000);
lame_set_brate(lame, 192);
lame_set_quality(lame, 5);
}
else if(m_quality == 1)
{
lame_set_in_samplerate(lame, 48000);
lame_set_brate(lame, 128);
lame_set_quality(lame, 7);
}
lame_set_mode(lame, JOINT_STEREO);
lame_init_params(lame);
printf("0%%");
do
{
read = fread(pcm_buffer, 2*sizeof(short int), PCM_SIZE, pcm);
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);
pcm_read += PCM_SIZE * 2 * sizeof(short int);
if(percentage < 10)
printf("\b\b");
else if(percentage < 100)
printf("\b\b\b");
else printf("\b\b\b\b");
percentage = (int)(pcm_read / pcm_length * 100.f);
printf("%d%%", percentage);
} while (read != 0);
lame_close(lame);
fclose(mp3);
fclose(pcm);
return true;
}
Mp3OutputStream::Mp3OutputStream() : global_fags(), bytes_per_sample(), bytes_per_second()
#ifdef Mp3OutputStream_Buffering
m_inBuffer(), m_inBufferLenght(), m_inBufferPos(),
#endif
,m_outBuffer(), m_outBufferLenght()
{
}
Mp3OutputStream::~Mp3OutputStream()
{
Close();
#ifdef Mp3OutputStream_Buffering
delete [] m_inBuffer;
#endif
delete [] m_outBuffer;
}
bool Mp3OutputStream::Initialize(int samplerate, int numchannels, int bitspersamp)
{
global_fags = lame_init();
if(global_fags == nullptr)
return false;
//lame_set_errorf(global_fags, lame_debugger);
lame_set_analysis(global_fags, 0);
lame_set_in_samplerate(global_fags, samplerate);
lame_set_bWriteVbrTag( global_fags, 0 );
lame_set_error_protection( global_fags, 0 );
lame_set_extension( global_fags, 0 );
lame_set_original( global_fags, 0 );
lame_set_VBR(global_fags, vbr_off);
lame_set_num_channels(global_fags, numchannels);
lame_set_mode( global_fags, STEREO);
lame_set_out_samplerate(global_fags, 44100);
// 9 = LQP_LOW_QUALITY
// 2 = LQP_HIGH_QUALITY:
// 0 = LQP_VERYHIGH_QUALITY
//lame_set_quality(global_fags, 0 );
//lame_set_preset( global_fags, STANDARD_FAST);
Settings& s = Global::Settings;
#ifdef STREAMER_PAYD_VERSION
lame_set_brate(global_fags, std::min(Mp3OutputStreamConstants::Presets[s.encoder_preset], 320));
#else
lame_set_brate(global_fags, 64);
#endif
if(lame_init_params(global_fags) != 0)
{
OutputDebugString(_T("lame_init_params failed"));
lame_close(global_fags);
global_fags = nullptr;
return false;
}
bytes_per_second = lame_get_brate(global_fags) / 8;
#ifdef Mp3OutputStream_Buffering
if ( 0 == lame_get_version( global_fags ) )
{
// For MPEG-II, only 576 samples per frame per channel
m_inBufferLenght = 576 * lame_get_num_channels( global_fags );
}
else
{
// For MPEG-I, 1152 samples per frame per channel
m_inBufferLenght = 1152 * lame_get_num_channels( global_fags );
}
// delete buffers
if(m_inBuffer != nullptr)
delete [] m_inBuffer;
m_inBuffer = new BYTE[m_inBufferLenght * 2];
#endif
m_outBufferLenght = static_cast<int>( ( 1.25 * ( samplerate / numchannels ) + 7200 ) * 2.0);
if(m_outBuffer != nullptr)
delete [] m_outBuffer;
m_outBuffer = new BYTE[m_outBufferLenght];
bytes_per_sample = bitspersamp / 8;
return true;
}
