bool MP3ImportFileHandle::Import(TrackFactory *trackFactory, Track ***outTracks,
int *outNumTracks)
{
int chn;
/* Prepare decoder data, initialize decoder */
mPrivateData.file = mFile;
mPrivateData.inputBuffer = new unsigned char [INPUT_BUFFER_SIZE];
mPrivateData.channels = NULL;
mPrivateData.cancelled = false;
mPrivateData.id3checked = false;
mPrivateData.numChannels = 0;
mPrivateData.trackFactory= trackFactory;
mad_decoder_init(&mDecoder, &mPrivateData, input_cb, 0, 0, output_cb, error_cb, 0);
/* and send the decoder on its way! */
if(mad_decoder_run(&mDecoder, MAD_DECODER_MODE_SYNC) == 0)
{
/* success */
/* printf("success\n"); */
mad_decoder_finish(&mDecoder);
/* copy the WaveTrack pointers into the Track pointer list that
* we are expected to fill */
*outTracks = new Track* [mPrivateData.numChannels];
for(chn = 0; chn < mPrivateData.numChannels; chn++) {
mPrivateData.channels[chn]->Flush();
(*outTracks)[chn] = mPrivateData.channels[chn];
}
*outNumTracks = mPrivateData.numChannels;
delete mPrivateData.inputBuffer;
delete[] mPrivateData.channels;
return true;
}
else {
/* failure */
/* printf("failure\n"); */
mad_decoder_finish(&mDecoder);
/* delete everything */
for(chn = 0; chn < mPrivateData.numChannels; chn++)
delete mPrivateData.channels[chn];
delete[] mPrivateData.channels;
delete mPrivateData.inputBuffer;
return false;
}
}
SEXP do_read_mp3(SEXP s_blob) {
state_t state;
mad_decoder_t decoder;
int result;
SEXP s_res;
/* Unpack argument */
UNPACK_RAW_VECTOR(s_blob, blob, n_blob);
/* Scan stream to determine the number of samples */
state.input = blob;
state.input_size = n_blob;
state.output_size = 0;
mad_decoder_init(&decoder, &state,
mad_input_cb, mad_header_cb, NULL,
NULL, NULL, NULL);
result = mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
mad_decoder_finish(&decoder);
if (0 != result)
error("MAD decoder error. Your MP3 is likely corrupt.");
/* Allocate result matrix based on calculated number of samples */
PROTECT(s_res = NEW_OBJECT(MAKE_CLASS("Wave")));
*REAL(GET_SLOT(s_res, install("samp.rate"))) = state.sample_rate;
*REAL(GET_SLOT(s_res, install("bit"))) = 16;
*LOGICAL(GET_SLOT(s_res, install("stereo"))) = state.output_channels == 2;
SET_SLOT(s_res, install("left"), allocVector(INTSXP, state.output_size));
state.left_output = INTEGER(GET_SLOT(s_res, install("left")));
if (state.output_channels == 2) {
SET_SLOT(s_res, install("right"), allocVector(INTSXP, state.output_size));
state.right_output = INTEGER(GET_SLOT(s_res, install("right")));
}
/* Run decoder again. This time decode frames and store PCM data in
* state
*/
state.input = blob;
state.input_size = n_blob;
mad_decoder_init(&decoder, &state,
mad_input_cb, NULL, NULL,
mad_output_cb, NULL, NULL);
result = mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
mad_decoder_finish(&decoder);
/* Unprotect memory */
UNPROTECT(1); /* s_res */
if (0 != result)
error("MAD decoder error. Your MP3 is likely corrupt.");
return s_res;
}
/*
* decode_mp3
*/
int decode_mp3(http_t *p)
{
struct mad_decoder decoder;
int result;
buf1 = malloc (MP3_SIZE + MAD_BUFFER_GUARD);
buf2 = malloc (MP3_SIZE + MAD_BUFFER_GUARD);
buf = buf1;
mad_decoder_init(&decoder,
p,
input, /* callback */
0, /* header */
#ifdef EQ
filter,
#else
0, /* no filter */
#endif
output, /* callback */
error, /* callback */
0 /* message */
);
result = mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
mad_decoder_finish(&decoder);
free(buf1);
free(buf2);
return result;
}
static
int decode(unsigned char const *start, unsigned long length)
{
struct buffer buffer;
struct mad_decoder decoder;
int result;
/* initialize our private message structure */
buffer.start = start;
buffer.length = length;
/* configure input, output, and error functions */
mad_decoder_init(&decoder, &buffer,
input, 0 /* header */, 0 /* filter */, output,
error, 0 /* message */);
/* start decoding */
result = mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
/* release the decoder */
mad_decoder_finish(&decoder);
return result;
}
//***************************************************************************
bool Kwave::MP3Decoder::decode(QWidget *widget, Kwave::MultiWriter &dst)
{
Q_ASSERT(m_source);
if (!m_source) return false;
m_source->seek(m_prepended_bytes); // skip id3v2 tag
// set target of the decoding
m_dest = &dst;
m_failures = 0;
m_parent_widget = widget;
// setup the decoder
struct mad_decoder decoder;
mad_decoder_init(&decoder, this,
_input_adapter,
0 /* header */,
0 /* filter */,
_output_adapter,
_error_adapter, 0 /* message */);
// decode through libmad...
int result = mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
// release the decoder
mad_decoder_finish(&decoder);
return (result == 0);
}
/// 销毁编码器
void CMp3Decoder::Destroy(void)
{
if(NULL != m_hHandleDecoder)
{
mad_decoder_finish(&m_MadDecoder);
m_hHandleDecoder = NULL;
}
}
void *audeng_mad_play () {
struct mad_decoder decoder;
int result;
// Initiliaze decoder
mad_decoder_init(&decoder, &audeng_buffer, audeng_mad_input, 0, 0, audeng_mad_output, 0, 0);
// Run the decoder
result = mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
// Clean up
mad_decoder_finish(&decoder);
pthread_exit(0);
}
int MP3ImportFileHandle::Import(TrackFactory *trackFactory, TrackHolders &outTracks,
Tags *tags)
{
outTracks.clear();
CreateProgress();
/* Prepare decoder data, initialize decoder */
mPrivateData.file = mFile;
mPrivateData.inputBuffer = new unsigned char [INPUT_BUFFER_SIZE];
mPrivateData.progress = mProgress.get();
mPrivateData.updateResult= eProgressSuccess;
mPrivateData.id3checked = false;
mPrivateData.numChannels = 0;
mPrivateData.trackFactory= trackFactory;
mad_decoder_init(&mDecoder, &mPrivateData, input_cb, 0, 0, output_cb, error_cb, 0);
/* and send the decoder on its way! */
bool res = (mad_decoder_run(&mDecoder, MAD_DECODER_MODE_SYNC) == 0) &&
(mPrivateData.numChannels > 0) &&
!(mPrivateData.updateResult == eProgressCancelled) &&
!(mPrivateData.updateResult == eProgressFailed);
mad_decoder_finish(&mDecoder);
delete[] mPrivateData.inputBuffer;
if (!res) {
/* failure */
/* printf("failure\n"); */
return (mPrivateData.updateResult);
}
/* success */
/* printf("success\n"); */
/* copy the WaveTrack pointers into the Track pointer list that
* we are expected to fill */
for(const auto &channel : mPrivateData.channels) {
channel->Flush();
}
outTracks.swap(mPrivateData.channels);
/* Read in any metadata */
ImportID3(tags);
return mPrivateData.updateResult;
}
int slimaudio_decoder_mad_process(slimaudio_t *audio) {
/* configure input, output, and error functions */
mad_decoder_init(&audio->mad_decoder, audio,
mad_input, 0 /* header */, 0 /* filter */, mad_output,
mad_error, 0 /* message */);
/* start decoding */
audio->decoder_end_of_stream = false;
int result = mad_decoder_run(&audio->mad_decoder, MAD_DECODER_MODE_SYNC);
if (result != 0)
return -1;
/* release the decoder */
mad_decoder_finish(&audio->mad_decoder);
return 0;
}
void play(FILE *fp)
{
struct stream data;
struct mad_decoder dec;
memset(&data, 0, sizeof data);
data.fp = fp;
if(NULL == data.fp)
{
fprintf(stderr, "stream is null\n");
return;
}
ao_initialize();
data.driver_id = ao_default_driver_id();
if(-1 == data.driver_id)
{
fprintf(stderr, "no driver has been found: %s", strerror(errno));
return;
}
data.fmt.bits = 16;
data.fmt.rate = 44100;
data.fmt.channels = 2;
data.fmt.byte_format = AO_FMT_NATIVE;
data.device = ao_open_live(data.driver_id, &data.fmt, NULL);
if(NULL == data.device)
{
fprintf(stderr, "unable to open device: %s", strerror(errno));
return;
}
mad_decoder_init(&dec, &data, input, NULL, NULL, output, NULL, NULL);
mad_decoder_run(&dec, MAD_DECODER_MODE_SYNC);
mad_decoder_finish(&dec);
ao_close(data.device);
ao_shutdown();
}
bool MADStream::openFromFile(const std::string& loc) {
if (mFdm) {
munmap(mFdm, mStat.st_size);
mCurrentSamples.clear();
mad_decoder_finish(&mDecoder);
}
int fd = ::open(loc.c_str(), O_RDONLY);
if (fstat(fd, &mStat) == -1 || mStat.st_size == 0) {
std::cerr << "Fstat failed (" << loc << ")" << std::endl;
return false;
}
void* m = mmap(0, mStat.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (m == MAP_FAILED) {
std::cerr << "mmap failed (" << loc << ")" << std::endl;
return false;
}
mFdm = (unsigned char*)m;
mReadProgress = mStat.st_size;
mad_decoder_init(&mDecoder, this, ms_input, ms_header, 0, ms_output,
ms_error, 0);
new std::thread(
[&]() { mad_decoder_run(&mDecoder, MAD_DECODER_MODE_SYNC); });
alCheck(alSourcef(alSource, AL_PITCH, 1));
alCheck(alSourcef(alSource, AL_GAIN, 1));
alCheck(alSource3f(alSource, AL_POSITION, 0, 0, 0));
alCheck(alSource3f(alSource, AL_VELOCITY, 0, 0, 0));
alCheck(alSourcei(alSource, AL_LOOPING, AL_FALSE));
return true;
}
IoObject *IoMP3Decoder_start(IoMP3Decoder *self, IoObject *locals, IoMessage *m)
{
int result;
DATA(self)->isRunning = 1;
DATA(self)->lastInputPos = 0;
mad_decoder_init(&(DATA(self)->decoder), (void *)self,
IoMP3Decoder_inputCallback,
0 /* header */,
0 /* filter */,
IoMP3Decoder_outputCallback,
IoMP3Decoder_errorCallback,
0 /* message */);
/* start decoding */
result = mad_decoder_run(&(DATA(self)->decoder), MAD_DECODER_MODE_SYNC);
mad_decoder_finish(&(DATA(self)->decoder));
/* release the decoder */
return IONUMBER(result);
}
int main(int argc, char *argv[])
{
int fd = 0;
char *currentfile, old_dir[PATH_MAX];
playlist *pl = NULL;
struct id3_file *id3struct = NULL;
struct id3_tag *id3tag = NULL;
int retval;
buffer playbuf;
struct mad_decoder decoder;
pthread_t keyb_thread;
key_t sem_key;
key_t mem_key;
key_t frames_key;
union semun sem_ops;
int shm_id;
int frames_id;
mad_decoder_position = 0;
output_buffer_position = 0;
old_dir[0] = '\0';
playbuf.pl = pl = new_playlist();
if (!pl)
{
fprintf(stderr, "malloc failed at startup!\n");
exit(1);
}
loop_remaining = 1;
options.volume = MAD_F_ONE;
status = MPG321_PLAYING;
/* Get the command line options */
parse_options(argc, argv, pl);
if(options.opt & MPG321_PRINT_FFT)
if(!(options.opt & MPG321_REMOTE_PLAY))
{
/* printf("FFT analysis can only be used in Remote mode play.\n\n"); */
usage(argv[0]);
exit(0);
}
/* If there were no files and no playlist specified just print the usage */
if (!playlist_file && optind == argc)
{
usage(argv[0]);
exit(0);
}
if (playlist_file)
load_playlist(pl, playlist_file);
if(options.opt & MPG321_RECURSIVE_DIR)
add_cmdline_files_recursive_dir(pl, argv);
else
add_cmdline_files(pl, argv);
if (shuffle_play)
shuffle_files(pl);
if(options.opt & MPG321_ENABLE_BUFFER)
{
/* Initialize semaphore and shared memeory */
if(access(argv[0],X_OK) == 0)
sem_key = ftok(argv[0],0);
else
sem_key = ftok(MPG321_PATH,0);
if(sem_key == -1)
{
perror("Cannot obtain resources for semaphores");
exit(EXIT_FAILURE);
}
semarray = semget(sem_key,3,IPC_CREAT | IPC_EXCL | S_IRWXU);
if(semarray == -1)
{
perror("Cannot initialize semaphores");
exit(EXIT_FAILURE);
}
sem_ops.val = buffer_size-1;
if(semctl(semarray,0,SETVAL,sem_ops) == -1)
{
perror("Error while initializing mad_decoder semaphore");
if(semctl(semarray,0,IPC_RMID) == -1)
perror("Error while destroying semaphores");
goto out;
//exit(EXIT_FAILURE);
}
sem_ops.val = 0;
if(semctl(semarray,1,SETVAL,sem_ops) == -1)
{
perror("Error while initializing mad_decoder semaphore");
if(semctl(semarray,0,IPC_RMID) == -1)
perror("Error while destroying semaphores");
goto out;
//exit(EXIT_FAILURE);
}
sem_ops.val = 0;
if(semctl(semarray,2,SETVAL,sem_ops) == -1)
{
perror("Error while initializing mad_decoder semaphore");
if(semctl(semarray,0,IPC_RMID) == -1)
perror("Error while destroying semaphores");
goto out;
//exit(EXIT_FAILURE);
}
/* Shared Memory */
mem_key = ftok(argv[0],1);
shm_id = shmget(mem_key,buffer_size * sizeof(output_frame), IPC_CREAT | S_IREAD | S_IWRITE);
if(shm_id == -1)
{
perror("Cannot initialize shared buffer");
goto out;
//exit(EXIT_FAILURE);
}
Output_Queue = shmat(shm_id,NULL,0);
if(*(int *)Output_Queue == -1)
{
perror("Error while attaching shared buffer to mad_decoder");
if(shmctl(shm_id,IPC_RMID,NULL))
perror("Cannot destroy shared buffer");
goto out;
//exit(EXIT_FAILURE);
}
static int n;
for(n=0;n<buffer_size;n++)
{
memset((Output_Queue+n)->data,'\0',4608);
memset((Output_Queue+n)->time,'\0',80);
(Output_Queue+n)->length = 0;
(Output_Queue+n)->seconds = 0;
(Output_Queue+n)->num_frames = 0;
}
frames_key = ftok(argv[0],2);
frames_id = shmget(frames_key,buffer_size * sizeof(decoded_frames), IPC_CREAT | S_IREAD | S_IWRITE);
if(frames_id == -1)
{
perror("Cannot initialize shared frames counter");
goto out;
//exit(EXIT_FAILURE);
}
Decoded_Frames = shmat(frames_id,NULL,0);
if(*(int *)Decoded_Frames == -1)
{
perror("Error while attaching shared frames counter to mad_decoder");
if(shmctl(frames_id,IPC_RMID,NULL))
perror("Cannot destroy shared frames counter");
goto out;
//exit(EXIT_FAILURE);
}
Decoded_Frames->is_http = 0;
Decoded_Frames->is_file = 0;
}
else {
ao_initialize();
check_default_play_device();
}
if (!(options.opt & MPG321_REMOTE_PLAY))
{
handle_signals(-1); /* initialize signal handler */
remote_input_buf[0] = '\0';
}
if (!(options.opt & MPG321_QUIET_PLAY))
mpg123_boilerplate();
if (options.opt & MPG321_REMOTE_PLAY)
{
printf ("@R MPG123\n");
if(options.opt & MPG321_ENABLE_BUFFER)
{
#ifdef HAVE_ALSA
init_alsa_volume_control("default"); /* For the moment use "default", it works on most of the systems. Tested in Debian,Fedora,Ubuntu,RedHat,CentOS,Gentoo */
if(options.volume != MAD_F_ONE)
mpg321_alsa_set_volume((long)options.volume*volume_max/100);
#endif
}
}
/* Fork here. */
if(options.opt & MPG321_ENABLE_BUFFER)
{
output_pid = fork();
if(output_pid == -1)
{
perror("Error while forking output process");
goto out; /* Release shared memeory and semaphores */
// exit(EXIT_FAILURE);
}
if(output_pid == 0)
{
frame_buffer_p();
exit(EXIT_SUCCESS);
}
signal(SIGUSR1,handle_signals);
if(!(options.opt & MPG321_REMOTE_PLAY))
{
#ifdef HAVE_ALSA
init_alsa_volume_control("default");
if(options.volume != MAD_F_ONE)
mpg321_alsa_set_volume((long)options.volume*volume_max/100);
#endif
}
}
if( (options.volume != MAD_F_ONE) && !(options.opt & MPG321_ENABLE_BUFFER))
{
options.volume = mad_f_tofixed((long)options.volume/100.0);
}
else{
options.volume = MAD_F_ONE; /* When using the buffer options.volume when decoding each frame should be equal to MAD_F_ONE */
// options.volume = mad_f_tofixed((long)100.0/100.0);
}
if (!(options.opt & MPG321_REMOTE_PLAY))
{
if(options.opt & MPG321_ENABLE_BASIC)
{
/* Now create and detach the basic controls thread */
sem_init(&main_lock,0,0);
pthread_create(&keyb_thread,NULL,read_keyb,NULL);
pthread_detach(keyb_thread);
}
}
if(set_xterm)
{
tty_control();
get_term_title(title);
}else
{
if (!(options.opt & MPG321_REMOTE_PLAY))
{
if (tcgetattr(0, &terminal_settings) < 0)
perror("tcgetattr()");
memcpy(&old_terminal_settings, &terminal_settings, sizeof(struct termios));
/* Early thread start */
sem_post(&main_lock);
}
}
/* Play the mpeg files or zip it! */
while((currentfile = get_next_file(pl, &playbuf)))
{
//printf("Current File: %s\n",currentfile);
if (quit_now)
break;
signal(SIGINT, SIG_DFL);
playbuf.buf = NULL;
playbuf.fd = -1;
playbuf.length = 0;
playbuf.done = 0;
playbuf.num_frames = 0;
current_frame = 0;
playbuf.max_frames = -1;
strncpy(playbuf.filename,currentfile, PATH_MAX);
playbuf.filename[PATH_MAX-1] = '\0';
if (status == MPG321_PLAYING || status == MPG321_STOPPED)
file_change = 1;
mad_timer_reset(&playbuf.duration);
mad_timer_reset(¤t_time);
id3struct = NULL;
if (!(options.opt & MPG321_QUIET_PLAY) && file_change)
{
/* id3struct = id3_file_open (currentfile, ID3_FILE_MODE_READONLY);*/
if (id3struct == NULL)
get_id3_info(currentfile, &id3struct, &id3tag);
if(id3tag)
show_id3(id3tag);
}
scrobbler_time = -1;
if(options.opt & MPG321_USE_SCROBBLER)
{
if(id3struct == NULL)
get_id3_info(currentfile,&id3struct,&id3tag);
if (id3tag)
{
char emptystring[31], emptyyear[5] = " ";
int i;
if(parse_id3(scrobbler_args, id3tag))
{
memset(emptystring, ' ', 30);
emptystring[30] = '\0';
if((options.opt & MPG321_VERBOSE_PLAY) && (options.opt & MPG321_USE_SCROBBLER))
{
fprintf(stderr, "\nPreparing for the AudioScrobbler:\n");
for(i = 0; i < 6; i++)
{
if(scrobbler_args[i] == NULL)
scrobbler_args[i] =
( i == 3 ? emptyyear: emptystring);
fprintf(stderr, "- %s\n", scrobbler_args[i]);
}
}
}
}
}
if (options.opt & MPG321_REMOTE_PLAY && file_change)
{
if(id3struct == NULL)
get_id3_info(currentfile, &id3struct, &id3tag);
if(id3tag)
{
if (!show_id3(id3tag))
{
/* This shouldn't be necessary, but it appears that
libid3tag doesn't necessarily know if there are no
id3 tags on a given mp3 */
char * basec = strdup(currentfile);
char * basen = basename(basec);
char * dot = strrchr(basen, '.');
if (dot)
*dot = '\0';
printf("@I %s\n", basen);
free(basec);
}
}
else
{
char * basec = strdup(currentfile);
char * basen = basename(basec);
char * dot = strrchr(basen, '.');
if (dot)
*dot = '\0';
printf("@I %s\n", basen);
free(basec);
}
}
if(id3struct != NULL)
id3_file_close(id3struct);
/* Create the MPEG stream */
/* Check if source is on the network */
if((fd = raw_open(currentfile)) != 0 || (fd = http_open(currentfile)) != 0
|| (fd = ftp_open(currentfile)) != 0)
{
playbuf.fd = fd;
playbuf.buf = malloc(BUF_SIZE);
playbuf.length = BUF_SIZE;
if(options.opt & MPG321_ENABLE_BUFFER)
{
Decoded_Frames->is_http = 1;
Decoded_Frames->is_file = 0;
}
calc_http_length(&playbuf);
mad_decoder_init(&decoder, &playbuf, read_from_fd, read_header, /*filter*/0,
output, handle_error, /* message */ 0);
}
/* Check if we are to use stdin for input */
else if(strcmp(currentfile, "-") == 0)
{
playbuf.fd = fileno(stdin);
playbuf.buf = malloc(BUF_SIZE);
playbuf.length = BUF_SIZE;
mad_decoder_init(&decoder, &playbuf, read_from_fd, read_header, /*filter*/0,
output, handle_error, /* message */ 0);
}
/* currentfile is a local file (presumably.) mmap() it */
else
{
struct stat stat;
if((fd = open(currentfile, O_RDONLY)) == -1)
{
mpg321_error(currentfile);
/* Restore TTY from keyboard reader thread */
if(options.opt & MPG321_ENABLE_BASIC)
if (tcsetattr(0, TCSANOW, &old_terminal_settings) < 0)
perror("tcsetattr ICANON");
if(set_xterm)
{
set_tty_restore();
osc_print(0,0,title);
if (ctty)
fclose(ctty);
}
if( options.opt & MPG321_REMOTE_PLAY)
if(remote_restart)
{
clear_remote_file(pl); /* If restart is enabled, restart remote shell when file doesn't exist*/
continue;
}
if(options.opt & MPG321_ENABLE_BUFFER)
goto out;
else
exit(1);
/* mpg123 stops immediately if it can't open a file */
/* If sth goes wrong break!!!*/
break;
}
if(options.opt & MPG321_ENABLE_BUFFER)
{
Decoded_Frames->is_http = 0;
Decoded_Frames->is_file = 1;
}
if(fstat(fd, &stat) == -1)
{
mpg321_error(currentfile);
close(fd);
continue;
}
if (!S_ISREG(stat.st_mode))
{
if(S_ISFIFO(stat.st_mode))
{
fallback = 1;
goto fall_back_to_read_from_fd;
}
close(fd);
continue;
}
retval = calc_length(currentfile, &playbuf); //FIXME Check also if it is an mp3 file. If not break and go to the next file possible
if(retval < 0)
{
if(options.opt & MPG321_REMOTE_PLAY)
{
fprintf(stderr,"@E Corrupted file: %s\n",currentfile);
close(fd);
if(remote_restart)
{
clear_remote_file(pl); /* If restart is enabled, restart remote shell when file is corrupted */
continue;
}
break;
}
mpg321_error(currentfile);
close(fd);
// break; //FIXME Break and stop OR continue the playlist ????
continue;
}
if((options.opt & MPG321_VERBOSE_PLAY) && (options.opt & MPG321_USE_SCROBBLER))
fprintf(stderr, "Track duration: %ld seconds\n",playbuf.duration.seconds);
if(options.opt & MPG321_USE_SCROBBLER)
scrobbler_set_time(playbuf.duration.seconds);
if ((options.maxframes != -1) && (options.maxframes <= playbuf.num_frames))
{
playbuf.max_frames = options.maxframes;
}
playbuf.frames = malloc((playbuf.num_frames + 1) * sizeof(void*));
playbuf.times = malloc((playbuf.num_frames + 1) * sizeof(mad_timer_t));
#ifdef __uClinux__
if((playbuf.buf = mmap(0, playbuf.length, PROT_READ, MAP_PRIVATE, fd, 0)) == MAP_FAILED)
#else
if((playbuf.buf = mmap(0, playbuf.length, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED)
#endif
{
mpg321_error(currentfile);
continue;
}
playbuf.frames[0] = playbuf.buf;
mad_decoder_init(&decoder, &playbuf, read_from_mmap, read_header, /*filter*/0,
output, handle_error, /* message */ 0);
fall_back_to_read_from_fd: //FIXME. Reported that on some embedded systems with low memory, less than 16MB doesn't work properly.
if(fallback)
{
playbuf.fd = fd;
playbuf.buf = malloc(BUF_SIZE);
playbuf.length = BUF_SIZE;
mad_decoder_init(&decoder, &playbuf, read_from_fd, read_header, /*filter*/0,
output, handle_error, /* message */ 0);
fallback = 1;
}
}
if(!(options.opt & MPG321_QUIET_PLAY))/*zip it!!!*/
{
/* Because dirname might modify the argument */
char * dirc = strdup(currentfile);
char * basec = strdup(currentfile);
char * basen = basename(basec);
char * dirn = dirname(dirc);
/* make sure that the file has a pathname; otherwise don't print out
a Directory: listing */
if(strchr(currentfile, '/') && strncmp(old_dir, dirn, PATH_MAX) != 0)
{
/* Print information about the file */
fprintf(stderr, "\n");
fprintf(stderr,"Directory: %s\n", dirn);
strncpy(old_dir, dirn, PATH_MAX);
old_dir[PATH_MAX-1] = '\0';
}
/* print a newline between different songs only, not after
Directory: listing */
else
{
fprintf(stderr, "\n");
}
fprintf(stderr,"Playing MPEG stream from %s ...\n", basen);
/* Printing xterm title */
if(set_xterm)
{
osc_print(0,0,basen);
}
free(dirc);
free(basec);
}
signal(SIGINT, handle_signals);
signal(SIGCHLD, handle_sigchld);
/*Give control back so that we can implement SIG's*/
if(set_xterm)
{
set_tty_restore();
if (tcgetattr(0, &terminal_settings) < 0)
perror("tcgetattr()");
memcpy(&old_terminal_settings, &terminal_settings, sizeof(struct termios));
/* disable canonical mode processing in the line discipline driver */
terminal_settings.c_lflag &= ~(ICANON | ECHO);
/* apply our new settings */
if (tcsetattr(0, TCSANOW, &terminal_settings) < 0)
perror("tcsetattr ICANON");
if(options.opt & MPG321_ENABLE_BASIC)
{
/* Late thread start */
sem_post(&main_lock);
}
}
/* Every time the user gets us to rewind, we exit decoding,
reinitialize it, and re-start it */
if(options.opt & MPG321_ENABLE_BUFFER)
{
Decoded_Frames->total_decoded_frames = 0;
Decoded_Frames->done = 0;
}
while (1)
{
decoder.options |= MAD_OPTION_IGNORECRC;
mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
if(options.opt & MPG321_ENABLE_BUFFER)
{
static struct sembuf start_sops = {2,-1,0};
semop(semarray,&start_sops,1);
mad_decoder_position = 0;
output_buffer_position = 0;
union semun sem_ops;
sem_ops.val = 0;
semctl(semarray,2,SETVAL,sem_ops);
Decoded_Frames->total_decoded_frames = 0;
Decoded_Frames->done = 0;
Decoded_Frames->is_http = 0;
Decoded_Frames->is_file = 0;
}
/* if we're rewinding on an mmap()ed stream */
if(status == MPG321_REWINDING && playbuf.fd == -1)
{
mad_decoder_init(&decoder, &playbuf, read_from_mmap, read_header, /*filter*/0,
output, /*error*/0, /* message */ 0);
}
else
break;
}
if (!(options.opt & MPG321_QUIET_PLAY))
{
char time_formatted[11];
mad_timer_string(current_time, time_formatted, "%.1u:%.2u", MAD_UNITS_MINUTES,
MAD_UNITS_SECONDS, 0);
fprintf(stderr," \r");
fprintf(stderr, "\n[%s] Decoding of %s finished.\n",time_formatted, basename(currentfile)); /* Report total decoded seconds. Maybe for the frame buffer report only total played time?? */
}
if (options.opt & MPG321_REMOTE_PLAY && status == MPG321_STOPPED)
{
clear_remote_file(pl);
}
mad_decoder_finish(&decoder);
if (playbuf.frames)
free(playbuf.frames);
if (playbuf.times)
free(playbuf.times);
if (playbuf.fd == -1)
{
munmap(playbuf.buf, playbuf.length);
close(fd);
}
else
{
free(playbuf.buf);
if (playbuf.fd != fileno(stdin))
close(playbuf.fd);
}
}
if(!(options.opt & MPG321_ENABLE_BUFFER))
{
if(playdevice)
ao_close(playdevice);
ao_shutdown();
}
if (!(options.opt & MPG321_REMOTE_PLAY))
{
if(options.opt & MPG321_ENABLE_BASIC)
{
pflag = 1;
/* Restore TTY from keyboard reader thread */
if (tcsetattr(0, TCSANOW, &old_terminal_settings) < 0)
perror("tcsetattr ICANON");
}
}
/*Restoring TTY*/
if(set_xterm)
{
set_tty_restore();
osc_print(0,0,title);
if (ctty)
fclose(ctty);
}
out:
if(options.opt & MPG321_ENABLE_BUFFER)
{
if(kill(output_pid,SIGUSR1) == -1)
perror("Error while stopping output process");
static int wstatus;
wait(&wstatus);
if(wstatus == -1)
perror("Error while waiting for output process to exit");
if(semctl(semarray,0,IPC_RMID) == -1)
perror("Error while destroying semaphores");
if(shmdt(Output_Queue) == -1)
perror("Error while detaching shared buffer");
if(shmctl(shm_id,IPC_RMID,NULL))
perror("Cannot destroy shared buffer");
if(shmctl(frames_id,IPC_RMID,NULL))
perror("Cannot destroy shared buffer");
}
return(0);
}
int MP3ImportFileHandle::Import(TrackFactory *trackFactory, Track ***outTracks,
int *outNumTracks, Tags *tags)
{
int chn;
CreateProgress();
/* Prepare decoder data, initialize decoder */
mPrivateData.file = mFile;
mPrivateData.inputBuffer = new unsigned char [INPUT_BUFFER_SIZE];
mPrivateData.progress = mProgress;
mPrivateData.channels = NULL;
mPrivateData.cancelled = false;
mPrivateData.id3checked = false;
mPrivateData.numChannels = 0;
mPrivateData.trackFactory= trackFactory;
mad_decoder_init(&mDecoder, &mPrivateData, input_cb, 0, 0, output_cb, error_cb, 0);
/* and send the decoder on its way! */
bool res = (mad_decoder_run(&mDecoder, MAD_DECODER_MODE_SYNC) == 0) &&
(mPrivateData.numChannels > 0) &&
(!mPrivateData.cancelled);
mad_decoder_finish(&mDecoder);
delete[] mPrivateData.inputBuffer;
if (!res) {
/* failure */
/* printf("failure\n"); */
/* delete everything */
for (chn = 0; chn < mPrivateData.numChannels; chn++) {
delete mPrivateData.channels[chn];
}
delete[] mPrivateData.channels;
return (mPrivateData.cancelled ? eImportCancelled : eImportFailed);
}
/* success */
/* printf("success\n"); */
/* copy the WaveTrack pointers into the Track pointer list that
* we are expected to fill */
*outNumTracks = mPrivateData.numChannels;
*outTracks = new Track* [mPrivateData.numChannels];
for(chn = 0; chn < mPrivateData.numChannels; chn++) {
mPrivateData.channels[chn]->Flush();
(*outTracks)[chn] = mPrivateData.channels[chn];
}
delete[] mPrivateData.channels;
/* Read in any metadata */
ImportID3(tags);
return eImportSuccess;
}
MADStream::~MADStream() {
if (mFdm) {
munmap(mFdm, mStat.st_size);
mad_decoder_finish(&mDecoder);
}
}
int playback(FILE * streamfd, int pipefd) {
killed = 0;
signal(SIGUSR1, sighand);
#ifndef EXTERN_ONLY
if(!haskey(& rc, "extern")) {
const char * freetrack = NULL;
struct stream data;
struct mad_decoder dec;
#ifdef LIBAO
static int ao_initialized = 0;
if(!ao_initialized) {
ao_initialize();
ao_initialized = !0;
}
#else
unsigned arg;
int fd;
#endif
memset(& data, 0, sizeof(struct stream));
/*
Check if there's a stream timeout configured and set it up for timed
reads later.
*/
data.timeout = -1;
if(haskey(& rc, "stream-timeout")) {
const char * timeout = value(& rc, "stream-timeout");
data.timeout = atoi(timeout);
if(data.timeout <= 0) {
if(data.timeout < 0)
fputs("Invalid stream-timeout.\n", stderr);
data.timeout = -1;
}
}
data.streamfd = streamfd;
data.parent = getppid();
data.pipefd = pipefd;
fcntl(pipefd, F_SETFL, O_NONBLOCK);
#ifdef LIBAO
data.driver_id = ao_default_driver_id();
if(-1 == data.driver_id) {
fputs("Unable to find any usable output device!\n", stderr);
return 0;
}
data.fmt.bits = 16;
data.fmt.rate = 44100;
data.fmt.channels = 2;
data.fmt.byte_format = AO_FMT_NATIVE;
data.device = ao_open_live(data.driver_id,&data.fmt,NULL);
if(NULL == data.device) {
fprintf(stderr, "Unable to open device. %s.\n", strerror(errno));
return 0;
}
#else
data.audiofd = fd = open(value(& rc, "device"), O_WRONLY);
if(-1 == data.audiofd) {
fprintf(
stderr, "Couldn't open %s! %s.\n",
value(& rc, "device"), strerror(errno)
);
return 0;
}
arg = 16; /* 16 bits */
ioctl(data.audiofd, SOUND_PCM_WRITE_BITS, & arg);
#endif
freetrack = value(& track, "freeTrackURL");
if(freetrack && strlen(freetrack) > 0 && haskey(& rc, "download")) {
char * dnam;
int rv;
data.finpath = strdup(meta(value(& rc, "download"), M_RELAXPATH, & track));
assert(data.finpath != NULL);
data.tmppath = strjoin("", data.finpath, ".streaming", NULL);
assert(data.tmppath != NULL);
dnam = strdup(data.tmppath);
rv = dnam ? mkpath(dirname(dnam)) : -1;
free(dnam);
if(access(data.tmppath, R_OK) == -1) {
data.dump = (rv == 0) ? fopen(data.tmppath, "w") : NULL;
if(!data.dump)
fprintf(stderr, "Can't write download to %s.\n", data.tmppath);
}
else {
data.dump = NULL;
}
}
mad_decoder_init(& dec, & data, input, NULL, NULL, output, NULL, NULL);
mad_decoder_run(& dec, MAD_DECODER_MODE_SYNC);
#ifndef LIBAO
close(fd);
#endif
mad_decoder_finish(& dec);
if(data.dump) {
fclose(data.dump);
if(killed) {
unlink(data.tmppath);
} else {
int rv;
#ifdef TAGLIB
TagLib_File *tagme = taglib_file_new(data.tmppath);
if(tagme != NULL) {
TagLib_Tag *tag = taglib_file_tag(tagme);
taglib_tag_set_title(tag, value(&track, "title"));
taglib_tag_set_artist(tag, value(&track, "creator"));
taglib_tag_set_album(tag, value(&track, "album"));
taglib_file_save(tagme);
taglib_file_free(tagme);
}
#endif
if(haskey(& rc, "pp-cmd")) {
const char *ppcmd = value(& rc, "pp-cmd");
size_t ppcmdlen = strlen(ppcmd);
char *path = shellescape(data.tmppath);
assert(path != NULL);
size_t pathlen = strlen(path);
char *command = malloc(ppcmdlen + pathlen + 2);
assert(command != NULL);
memcpy(command, ppcmd, ppcmdlen);
command[ppcmdlen] = ' ';
memcpy(command + ppcmdlen + 1, path, pathlen);
command[ppcmdlen + 1 + pathlen] = 0;
run(command);
free(path);
free(command);
}
rv = rename(data.tmppath, data.finpath);
if (rv == -1)
fprintf(stderr, "Can't rename %s to %s\n",
data.tmppath, data.finpath);
}
free(data.tmppath);
free(data.finpath);
}
}
else
#endif
{
pid_t ppid = getppid(), cpid = 0;
const char * cmd = meta(value(& rc, "extern"), M_SHELLESC, & track);
FILE * ext = openpipe(cmd, & cpid);
unsigned char * buf;
if(!ext) {
fprintf(stderr, "Failed to execute external player (%s). %s.\n",
cmd, strerror(errno));
return 0;
}
if(!(buf = calloc(BUFSIZE + 1, sizeof(unsigned char)))) {
fputs("Couldn't allocate enough memory for input buffer.\n", stderr);
fclose(ext);
return 0;
}
while(!feof(streamfd)) {
signed nbyte = fread(buf, sizeof(unsigned char), BUFSIZE, streamfd);
if(nbyte > 0) {
fwrite(buf, sizeof(unsigned char), nbyte, ext);
fflush(ext);
}
if(kill(ppid, 0) == -1 && errno == ESRCH)
break;
if(killed)
break;
}
free(buf);
fclose(ext);
waitpid(cpid, NULL, 0);
}
return !0;
}
int main(int argc, char *argv[])
{
int fd = 0;
char *currentfile, old_dir[PATH_MAX];
playlist *pl = NULL;
struct id3_file *id3struct = NULL;
struct id3_tag *id3tag = NULL;
buffer playbuf;
struct mad_decoder decoder;
old_dir[0] = '\0';
playbuf.pl = pl = new_playlist();
if (!pl)
{
fprintf(stderr, "malloc failed at startup!\n");
exit(1);
}
options.volume = MAD_F_ONE;
status = MPG321_PLAYING;
/* Get the command line options */
parse_options(argc, argv, pl);
/* If there were no files and no playlist specified just print the usage */
if (!playlist_file && optind == argc)
{
usage(argv[0]);
exit(0);
}
if (playlist_file)
load_playlist(pl, playlist_file);
add_cmdline_files(pl, argv);
if (shuffle_play)
shuffle_files(pl);
ao_initialize();
check_default_play_device();
if (!(options.opt & MPG321_REMOTE_PLAY))
{
handle_signals(-1); /* initialize signal handler */
remote_input_buf[0] = '\0';
}
if (!(options.opt & MPG321_QUIET_PLAY))
mpg123_boilerplate();
if (options.opt & MPG321_REMOTE_PLAY)
{
printf ("@R MPG123\n");
}
/* Play the mpeg files or zip it! */
while((currentfile = get_next_file(pl, &playbuf)))
{
if (quit_now)
break;
signal(SIGINT, SIG_DFL);
playbuf.buf = NULL;
playbuf.fd = -1;
playbuf.length = 0;
playbuf.done = 0;
playbuf.num_frames = 0;
playbuf.max_frames = -1;
strncpy(playbuf.filename,currentfile, PATH_MAX);
playbuf.filename[PATH_MAX-1] = '\0';
if (status == MPG321_PLAYING)
file_change = 1;
mad_timer_reset(&playbuf.duration);
mad_timer_reset(¤t_time);
if (!(options.opt & MPG321_QUIET_PLAY) && file_change)
{
id3struct = id3_file_open (currentfile, ID3_FILE_MODE_READONLY);
if (id3struct)
{
id3tag = id3_file_tag (id3struct);
if (id3tag)
{
show_id3 (id3tag);
}
id3_file_close (id3struct);
}
}
if (options.opt & MPG321_REMOTE_PLAY && file_change)
{
id3struct = id3_file_open (currentfile, ID3_FILE_MODE_READONLY);
if (id3struct)
{
id3tag = id3_file_tag (id3struct);
if (id3tag)
{
if (!show_id3(id3tag))
{
/* This shouldn't be necessary, but it appears that
libid3tag doesn't necessarily know if there are no
id3 tags on a given mp3 */
char * basec = strdup(currentfile);
char * basen = basename(basec);
char * dot = strrchr(basen, '.');
if (dot)
*dot = '\0';
printf("@I %s\n", basen);
free(basec);
}
}
else
{
fprintf(stderr, "Allocation error");
exit(1);
}
id3_file_close (id3struct);
}
else
{
char * basec = strdup(currentfile);
char * basen = basename(basec);
char * dot = strrchr(basen, '.');
if (dot)
*dot = '\0';
printf("@I %s\n", basen);
free(basec);
}
}
/* Create the MPEG stream */
/* Check if source is on the network */
if((fd = raw_open(currentfile)) != 0 || (fd = http_open(currentfile)) != 0
|| (fd = ftp_open(currentfile)) != 0)
{
playbuf.fd = fd;
playbuf.buf = malloc(BUF_SIZE);
playbuf.length = BUF_SIZE;
mad_decoder_init(&decoder, &playbuf, read_from_fd, read_header, /*filter*/0,
output, /*error*/0, /* message */ 0);
}
/* Check if we are to use stdin for input */
else if(strcmp(currentfile, "-") == 0)
{
playbuf.fd = fileno(stdin);
playbuf.buf = malloc(BUF_SIZE);
playbuf.length = BUF_SIZE;
mad_decoder_init(&decoder, &playbuf, read_from_fd, read_header, /*filter*/0,
output, /*error*/0, /* message */ 0);
}
/* currentfile is a local file (presumably.) mmap() it */
else
{
struct stat stat;
if((fd = open(currentfile, O_RDONLY)) == -1)
{
mpg321_error(currentfile);
/* mpg123 stops immediately if it can't open a file */
break;
}
if(fstat(fd, &stat) == -1)
{
close(fd);
mpg321_error(currentfile);
continue;
}
if (!S_ISREG(stat.st_mode))
{
close(fd);
continue;
}
calc_length(currentfile, &playbuf);
if ((options.maxframes != -1) && (options.maxframes <= playbuf.num_frames))
{
playbuf.max_frames = options.maxframes;
}
playbuf.frames = malloc((playbuf.num_frames + 1) * sizeof(void*));
playbuf.times = malloc((playbuf.num_frames + 1) * sizeof(mad_timer_t));
if((playbuf.buf = mmap(0, playbuf.length, PROT_READ, MAP_SHARED, fd, 0))
== MAP_FAILED)
{
close(fd);
mpg321_error(currentfile);
continue;
}
close(fd);
playbuf.frames[0] = playbuf.buf;
mad_decoder_init(&decoder, &playbuf, read_from_mmap, read_header, /*filter*/0,
output, /*error*/0, /* message */ 0);
}
if(!(options.opt & MPG321_QUIET_PLAY))/*zip it!!!*/
{
/* Because dirname might modify the argument */
char * dirc = strdup(currentfile);
char * basec = strdup(currentfile);
char * basen = basename(basec);
char * dirn = dirname(dirc);
/* make sure that the file has a pathname; otherwise don't print out
a Directory: listing */
if(strchr(currentfile, '/') && strncmp(old_dir, dirn, PATH_MAX) != 0)
{
/* Print information about the file */
fprintf(stderr, "\n");
fprintf(stderr,"Directory: %s/\n", dirn);
strncpy(old_dir, dirn, PATH_MAX);
old_dir[PATH_MAX-1] = '\0';
}
/* print a newline between different songs only, not after
Directory: listing */
else
{
fprintf(stderr, "\n");
}
fprintf(stderr,"Playing MPEG stream from %s ...\n", basen);
free(dirc);
free(basec);
}
signal(SIGINT, handle_signals);
/* Every time the user gets us to rewind, we exit decoding,
reinitialize it, and re-start it */
while (1)
{
mad_decoder_run(&decoder, MAD_DECODER_MODE_SYNC);
/* if we're rewinding on an mmap()ed stream */
if(status == MPG321_REWINDING && playbuf.fd == -1)
{
mad_decoder_init(&decoder, &playbuf, read_from_mmap, read_header, /*filter*/0,
output, /*error*/0, /* message */ 0);
}
else
break;
}
if (!(options.opt & MPG321_QUIET_PLAY))
{
char time_formatted[11];
mad_timer_string(current_time, time_formatted, "%.1u:%.2u", MAD_UNITS_MINUTES,
MAD_UNITS_SECONDS, 0);
fprintf(stderr, "\n[%s] Decoding of %s finished.\n",time_formatted, basename(currentfile));
}
if (options.opt & MPG321_REMOTE_PLAY && status == MPG321_STOPPED)
{
clear_remote_file(pl);
}
mad_decoder_finish(&decoder);
if (quit_now)
break;
if (playbuf.frames)
free(playbuf.frames);
if (playbuf.times)
free(playbuf.times);
if (playbuf.fd == -1)
{
munmap(playbuf.buf, playbuf.length);
}
else
{
free(playbuf.buf);
if (playbuf.fd != fileno(stdin))
close(playbuf.fd);
}
}
if(playdevice)
ao_close(playdevice);
ao_shutdown();
#if defined(RAW_SUPPORT) || defined(HTTP_SUPPORT) || defined(FTP_SUPPORT)
if(fd) close(fd);
#endif
return(0);
}
