int GetMADSamples(MFAudioStream *pStream, void *pBuffer, uint32 bytes)
{
MFMADDecoder *pDecoder = (MFMADDecoder*)pStream->pStreamData;
int written = 0;
if(pDecoder->overflowBytes)
{
// grab from the overflow until we run out...
uint32 numBytes = MFMin(pDecoder->overflowBytes - pDecoder->overflowOffset, bytes);
MFCopyMemory(pBuffer, pDecoder->overflow + pDecoder->overflowOffset, numBytes);
pDecoder->overflowOffset += numBytes;
if(pDecoder->overflowOffset == pDecoder->overflowBytes)
pDecoder->overflowBytes = 0;
// increment timer
mad_timer_t t = { 0, MAD_TIMER_RESOLUTION / pDecoder->firstHeader.samplerate };
mad_timer_multiply(&t, numBytes >> 2);
mad_timer_add(&pDecoder->timer, t);
if(bytes == numBytes)
return numBytes;
bytes -= numBytes;
(char*&)pBuffer += numBytes;
written = (int)numBytes;
}
void MP3Stream::readHeader() {
if (_state != MP3_STATE_READY)
return;
// If necessary, load more data into the stream decoder
if (_stream.error == MAD_ERROR_BUFLEN)
readMP3Data();
while (_state != MP3_STATE_EOS) {
_stream.error = MAD_ERROR_NONE;
// Decode the next header. Note: mad_frame_decode would do this for us, too.
// However, for seeking we don't want to decode the full frame (else it would
// be far too slow). Hence we perform this explicitly in a separate step.
if (mad_header_decode(&_frame.header, &_stream) == -1) {
if (_stream.error == MAD_ERROR_BUFLEN) {
readMP3Data(); // Read more data
continue;
} else if (MAD_RECOVERABLE(_stream.error)) {
//status("MP3Stream: Recoverable error in mad_header_decode (%s)", mad_stream_errorstr(&_stream));
continue;
} else {
warning("MP3Stream: Unrecoverable error in mad_header_decode (%s)", mad_stream_errorstr(&_stream));
break;
}
}
// Sum up the total playback time so far
mad_timer_add(&_totalTime, _frame.header.duration);
break;
}
if (_stream.error != MAD_ERROR_NONE)
_state = MP3_STATE_EOS;
}
static int mp3_read (song_s *song, char *buffer)
{
static int i;
static int ret;
static struct audio_dither dither;
static char buffer2[BUF_SIZE];
static char *out_ptr = buffer2;
static char *out_buf_end = buffer2 + BUF_SIZE;
mp3_s *mp3 = song->songlib->mp3;
mad_timer_add (&mp3->timer, mp3->frame.header.duration);
mad_synth_frame (&mp3->synth, &mp3->frame);
mp3->elapsed_time = ((float)mad_timer_count (mp3->timer, MAD_UNITS_MILLISECONDS))/1000.0;
for (i = 0; i < mp3->synth.pcm.length; i++) {
signed int sample;
sample = (signed int)audio_linear_dither (16, mp3->synth.pcm.samples[0][i], &dither);
*(out_ptr++) = sample & 0xff;
*(out_ptr++) = sample >> 8;
if (MAD_NCHANNELS (&(mp3->frame).header) == 2) {
sample = (signed int) audio_linear_dither (16, mp3->synth.pcm.samples[1][i], &dither);
*(out_ptr++) = sample & 0xff;
*(out_ptr++) = sample >> 8;
}
if (out_ptr == out_buf_end) {
memcpy (buffer, buffer2, BUF_SIZE);
bossao_play_chunk (song, buffer, BUF_SIZE);
out_ptr = buffer2;
}
}
static void
mp3_update_timer_next_frame(struct mp3_data *data)
{
if (data->current_frame >= data->highest_frame) {
/* record this frame's properties in
data->frame_offsets (for seeking) and
data->times */
data->bit_rate = (data->frame).header.bitrate;
if (data->current_frame >= data->max_frames)
/* cap data->current_frame */
data->current_frame = data->max_frames - 1;
else
data->highest_frame++;
data->frame_offsets[data->current_frame] =
mp3_this_frame_offset(data);
mad_timer_add(&data->timer, (data->frame).header.duration);
data->times[data->current_frame] = data->timer;
} else
/* get the new timer value from data->times */
data->timer = data->times[data->current_frame];
data->current_frame++;
data->elapsed_time =
mad_timer_count(data->timer, MAD_UNITS_MILLISECONDS) / 1000.0;
}
// Seek in the stream, finding the next valid header
void Mp3PspStream::findValidHeader() {
DEBUG_ENTER_FUNC();
if (_state != MP3_STATE_READY)
return;
// If necessary, load more data into the stream decoder
if (_stream.error == MAD_ERROR_BUFLEN)
readMP3DataIntoBuffer();
while (_state != MP3_STATE_EOS) {
_stream.error = MAD_ERROR_NONE;
// Decode the next header.
if (mad_header_decode(&_header, &_stream) == -1) {
if (_stream.error == MAD_ERROR_BUFLEN) {
readMP3DataIntoBuffer(); // Read more data
continue;
} else if (MAD_RECOVERABLE(_stream.error)) {
debug(6, "MP3PSPStream: Recoverable error in mad_header_decode (%s)", mad_stream_errorstr(&_stream));
continue;
} else {
warning("MP3PSPStream: Unrecoverable error in mad_header_decode (%s)", mad_stream_errorstr(&_stream));
break;
}
}
// Sum up the total playback time so far
mad_timer_add(&_totalTime, _header.duration);
break;
}
if (_stream.error != MAD_ERROR_NONE)
_state = MP3_STATE_EOS;
}
size_t MadDecoder::start(FILE* handle)
{
handle_ = handle;
decodeBuffer_.resize(bufferSize_, false);
ASSERT(decodeBuffer_.size() == bufferSize_);
unsigned char* buffer = decodeBuffer_.getHead();
int64 durationMsec = getDurationMs(buffer, bufferSize_);
mad_stream_init(&madStream_);
mad_frame_init(&madFrame_);
mad_synth_init(&madSynth_);
mad_timer_reset(&madTimer_);
// Decode at least one valid frame to find out the input format.
// The decoded frame will be saved off so that it can be processed later.
//
size_t bytesRead = fread(buffer, (size_t)1, bufferSize_, handle_);
if (bytesRead != bufferSize_ && ferror(handle_))
THROW(std::exception, "%s", strerror(errno));
mad_stream_buffer(&madStream_, buffer, bytesRead);
// Find a valid frame before starting up.
// This make sure that we have a valid MP3
// and also skips past ID3v2 tags at the beginning of the audio file.
//
madStream_.error = MAD_ERROR_NONE;
while (mad_frame_decode(&madFrame_, &madStream_))
{
// check whether input buffer needs a refill
if (madStream_.error == MAD_ERROR_BUFLEN) {
if (readMpgFile() == false) break; // eof
else continue;
}
consumeId3Tag(); // consume any ID3 tags
// FIXME: We should probably detect when we've read
// a bunch of non-ID3 data and still haven't found a
// frame. In that case we can abort early without
// scanning the whole file.
//
madStream_.error = MAD_ERROR_NONE;
}
if (madStream_.error) {
THROW(std::exception, "No valid MP3 frame found");
}
mad_timer_add(&madTimer_, madFrame_.header.duration);
mad_synth_frame(&madSynth_, &madFrame_);
//unsigned int precision_ = 16;
currentFrame_ = 0;
numMpegFrames_ = 0;
initialized_ = true;
return (size_t)(durationMsec * .001 * getSampleRate() + .5); // number of sample frames
}
//
// Read up samples from madSynth_
// If needed, read some more MP3 data, decode them and synth them
// Place in audioBuffer_.
// Return number of samples read.
//
size_t MadDecoder::decode(size_t numPendingTotal, AudioBuffer* buffer)
{
size_t numProcessedTotal = 0;
int numChannels = getNumChannels();
mad_fixed_t sample;
do {
size_t numPendingFrame = (madSynth_.pcm.length - currentFrame_) * numChannels;
numPendingFrame = std::min(numPendingTotal, numPendingFrame);
size_t numProcessedFrame = 0;
while (numProcessedFrame < numPendingFrame)
{
for (int channel = 0; channel < numChannels; channel++)
{
sample = madSynth_.pcm.samples[channel][currentFrame_];
if (sample < -MAD_F_ONE)
sample = -MAD_F_ONE;
else if (sample >= MAD_F_ONE)
sample = MAD_F_ONE - 1;
float fSample = (float)(sample / (float)(1L << MAD_F_FRACBITS));
float* pos = buffer->getHead() + numProcessedTotal;
*pos = fSample;
numProcessedFrame++;
numProcessedTotal++;
}
currentFrame_++;
}
numPendingTotal -= numProcessedFrame;
if (numPendingTotal == 0)
break;
if (madStream_.error == MAD_ERROR_BUFLEN) { // check whether input buffer needs a refill
if (readMpgFile() == false) // eof
break;
}
if (mad_frame_decode(&madFrame_, &madStream_))
{
if (MAD_RECOVERABLE(madStream_.error)) {
consumeId3Tag();
continue;
}
else {
if (madStream_.error == MAD_ERROR_BUFLEN)
continue;
else
THROW(std::exception, "unrecoverable frame level error (%s).", mad_stream_errorstr(&madStream_));
}
}
mad_timer_add(&madTimer_, madFrame_.header.duration);
mad_synth_frame(&madSynth_, &madFrame_);
currentFrame_ = 0;
numMpegFrames_++;
} while (true);
return numProcessedTotal;
}
int TrackDuration::duration(const QFileInfo &fileinfo)
{
QString fn = fileinfo.absoluteFilePath();
if (fn.isEmpty())
return 0;
QFile file(fn);
if (!file.open(QFile::ReadOnly))
return 0;
mad_stream infostream;
mad_header infoheader;
mad_timer_t infotimer;
mad_stream_init(&infostream);
mad_header_init(&infoheader);
mad_timer_reset(&infotimer);
qint64 r;
qint64 l = 0;
unsigned char* buf = new unsigned char[INPUT_BUFFER_SIZE];
while (!file.atEnd()) {
if (l < INPUT_BUFFER_SIZE) {
r = file.read(reinterpret_cast<char*>(buf) + l, INPUT_BUFFER_SIZE - l);
l += r;
}
mad_stream_buffer(&infostream, buf, l);
for (;;) {
if (mad_header_decode(&infoheader, &infostream)) {
if (!MAD_RECOVERABLE(infostream.error))
break;
if (infostream.error == MAD_ERROR_LOSTSYNC) {
TagLib::ID3v2::Header header;
uint size = (uint)(infostream.bufend - infostream.this_frame);
if (size >= header.size()) {
header.setData(TagLib::ByteVector(reinterpret_cast<const char*>(infostream.this_frame), size));
uint tagsize = header.tagSize();
if (tagsize > 0) {
mad_stream_skip(&infostream, qMin(tagsize, size));
continue;
}
}
}
qDebug() << "header decode error while getting file info" << infostream.error;
continue;
}
mad_timer_add(&infotimer, infoheader.duration);
}
if (infostream.error != MAD_ERROR_BUFLEN && infostream.error != MAD_ERROR_BUFPTR)
break;
memmove(buf, infostream.next_frame, &(buf[l]) - infostream.next_frame);
l -= (infostream.next_frame - buf);
}
mad_stream_finish(&infostream);
mad_header_finish(&infoheader);
delete[] buf;
return timerToMs(&infotimer);
}
void decode() {
// While we need to fill the buffer...
while (
(mad_frame_decode(&frame, &stream) == -1) &&
((stream.error == MAD_ERROR_BUFLEN) || (stream.error == MAD_ERROR_BUFPTR))
)
{
// Fill up the remainder of the file buffer.
int tmp;
tmp = fillFileBuffer();
if (tmp==2) {
endofstream = 1;
//MusicPlayerNextSong();
/*!
*
* Put here the function that does something when the file has ended.
*
*/
}
// Give new buffer to the stream.
mad_stream_buffer(&stream, fileBuffer, sizeof(fileBuffer));
}
// Add to the timer the stream duration
mad_timer_add(&timer, frame.header.duration);
// Synth the frame.
mad_synth_frame(&synth, &frame);
}
static void
scan_file (FILE * fd, int *length, int *bitrate)
{
struct mad_stream stream;
struct mad_header header;
mad_timer_t timer;
unsigned char buffer[8192];
unsigned int buflen = 0;
mad_stream_init (&stream);
mad_header_init (&header);
timer = mad_timer_zero;
while (1)
{
if (buflen < 8192)
{
int bytes = 0;
bytes = fread (buffer + buflen, 1, 8192 - buflen, fd);
if (bytes <= 0)
break;
buflen += bytes;
}
mad_stream_buffer (&stream, buffer, buflen);
while (1)
{
if (mad_header_decode (&header, &stream) == -1)
{
if (!MAD_RECOVERABLE (stream.error))
break;
continue;
}
if (length)
mad_timer_add (&timer, header.duration);
}
if (stream.error != MAD_ERROR_BUFLEN)
break;
memmove (buffer, stream.next_frame, &buffer[buflen] - stream.next_frame);
buflen -= stream.next_frame - &buffer[0];
SDL_Delay(1);
}
mad_header_finish (&header);
mad_stream_finish (&stream);
if (length)
*length = mad_timer_count (timer, MAD_UNITS_MILLISECONDS);
}
void
MADTranscode::onSeek( int seconds )
{
mad_timer_t t;
t.seconds = seconds;
t.fraction = 0;
timer = mad_timer_zero;
mad_timer_add( &timer, t );
m_encodedBuffer.clear();
m_decodedBuffer.clear();
}
/*
* NAME: timer->multiply()
* DESCRIPTION: multiply a timer by a scalar value
*/
void mad_timer_multiply(mad_timer_t *timer, s32 scalar)
{
mad_timer_t addend;
u32 factor;
factor = scalar;
if (scalar < 0) {
factor = -scalar;
mad_timer_negate(timer);
}
addend = *timer;
*timer = mad_timer_zero;
while (factor) {
if (factor & 1)
mad_timer_add(timer, addend);
mad_timer_add(&addend, addend);
factor >>= 1;
}
}
/*
* NAME: timer->multiply()
* DESCRIPTION: multiply a timer by a scalar value
*/
void ICACHE_FLASH_ATTR mad_timer_multiply(mad_timer_t *timer, signed long scalar)
{
mad_timer_t addend;
unsigned long factor;
factor = scalar;
if (scalar < 0) {
factor = -scalar;
mad_timer_negate(timer);
}
addend = *timer;
*timer = mad_timer_zero;
while (factor) {
if (factor & 1)
mad_timer_add(timer, addend);
mad_timer_add(&addend, addend);
factor >>= 1;
}
}
int RageSoundReader_MP3::GetLengthInternal( bool fast )
{
if( mad->has_xing && mad->length != -1 )
return mad->length; /* should be accurate */
/* Check to see if a frame in the middle of the file is the same
* bitrate as the first frame. If it is, assume the file is really CBR. */
seek_stream_to_byte( mad->filesize / 2 );
/* XXX use mad_header_decode and check more than one frame */
if(mad->length != -1 &&
do_mad_frame_decode() &&
mad->bitrate == (int) mad->Frame.header.bitrate)
{
return mad->length;
}
if( !MADLIB_rewind() )
return 0;
/* Worst-case: vbr && !xing. We've made a guess at the length, but let's actually
* scan the size, since the guess is probably wrong. */
if( fast )
{
SetError("Can't estimate file length");
return -1;
}
MADLIB_rewind();
while(1)
{
int ret = do_mad_frame_decode( true );
if( ret == -1 )
return -1; /* it set the error */
if( ret == 0 ) /* EOF */
break;
}
/* mad->Timer is the timestamp of the current frame; find the timestamp of
* the very end. */
mad_timer_t end = mad->Timer;
mad_timer_add( &end, mad->framelength );
/* Count milliseconds. */
return mad_timer_count( end, MAD_UNITS_MILLISECONDS );
}
/* Do a seek based on the bitrate. */
int RageSoundReader_MP3::SetPosition_estimate( int iFrame )
{
/* This doesn't leave us accurate. */
mad->timer_accurate = 0;
mad_timer_t seekamt;
mad_timer_set( &seekamt, 0, iFrame, mad->Frame.header.samplerate );
{
/* We're going to skip ahead two samples below, so seek earlier than
* we were asked to. */
mad_timer_t back_len = mad->framelength;
mad_timer_multiply(&back_len, -2);
mad_timer_add(&seekamt, back_len);
if( mad_timer_compare(seekamt, mad_timer_zero) < 0 )
seekamt = mad_timer_zero;
}
int seekpos = mad_timer_count( seekamt, MAD_UNITS_MILLISECONDS ) * (mad->bitrate / 8 / 1000);
seekpos += mad->header_bytes;
seek_stream_to_byte( seekpos );
/* We've jumped across the file, so the decoder is currently desynced.
* Don't use resync(); it's slow. Just decode a few frames. */
for( int i = 0; i < 2; ++i )
{
int ret = do_mad_frame_decode();
if( ret <= 0 )
return ret;
}
/* Throw out one synth. */
synth_output();
mad->outleft = 0;
/* Find out where we really seeked to. */
int ms = (get_this_frame_byte(mad) - mad->header_bytes) / (mad->bitrate / 8 / 1000);
mad_timer_set(&mad->Timer, 0, ms, 1000);
return 1;
}
/* Following two functions are adapted from mad_timer, from the
libmad distribution */
void scan(void const *ptr, ssize_t len, buffer *buf)
{
struct mad_stream stream;
struct mad_header header;
struct xing xing;
unsigned long bitrate = 0;
int has_xing = 0;
int is_vbr = 0;
mad_stream_init(&stream);
mad_header_init(&header);
mad_stream_buffer(&stream, ptr, len);
buf->num_frames = 0;
/* There are three ways of calculating the length of an mp3:
1) Constant bitrate: One frame can provide the information
needed: # of frames and duration. Just see how long it
is and do the division.
2) Variable bitrate: Xing tag. It provides the number of
frames. Each frame has the same number of samples, so
just use that.
3) All: Count up the frames and duration of each frames
by decoding each one. We do this if we've no other
choice, i.e. if it's a VBR file with no Xing tag.
*/
while (1)
{
if (mad_header_decode(&header, &stream) == -1)
{
if (MAD_RECOVERABLE(stream.error))
continue;
else
break;
}
/* Limit xing testing to the first frame header */
if (!buf->num_frames++)
{
if(parse_xing(&xing, stream.anc_ptr, stream.anc_bitlen))
{
is_vbr = 1;
if (xing.flags & XING_FRAMES)
{
/* We use the Xing tag only for frames. If it doesn't have that
information, it's useless to us and we have to treat it as a
normal VBR file */
has_xing = 1;
buf->num_frames = xing.frames;
break;
}
}
}
/* Test the first n frames to see if this is a VBR file */
if (!is_vbr && !(buf->num_frames > 20))
{
if (bitrate && header.bitrate != bitrate)
{
is_vbr = 1;
}
else
{
bitrate = header.bitrate;
}
}
/* We have to assume it's not a VBR file if it hasn't already been
marked as one and we've checked n frames for different bitrates */
else if (!is_vbr)
{
break;
}
mad_timer_add(&buf->duration, header.duration);
}
if (!is_vbr)
{
double time = (len * 8.0) / (header.bitrate); /* time in seconds */
double timefrac = (double)time - ((long)(time));
long nsamples = 32 * MAD_NSBSAMPLES(&header); /* samples per frame */
/* samplerate is a constant */
buf->num_frames = (long) (time * header.samplerate / nsamples);
mad_timer_set(&buf->duration, (long)time, (long)(timefrac*100), 100);
}
else if (has_xing)
{
/* modify header.duration since we don't need it anymore */
mad_timer_multiply(&header.duration, buf->num_frames);
buf->duration = header.duration;
}
else
{
/* the durations have been added up, and the number of frames
counted. We do nothing here. */
}
mad_header_finish(&header);
mad_stream_finish(&stream);
}
enum mad_flow read_header(void *data, struct mad_header const * header)
{
char long_currenttime_str[14]; /* this *will* fill if you're using 100000+ minute mp3s */
char long_remaintime_str[14];
static int frames_played = 0;
buffer *playbuf = (buffer *)data;
mad_timer_t time_remaining;
char *ao_time;
if (stop_playing_file)
{
stop_playing_file = 0;
status = MPG321_STOPPED;
return MAD_FLOW_STOP;
}
if(options.opt & MPG321_REMOTE_PLAY)
{
enum mad_flow mf;
/* We might have to stop if the user inputs something */
if ((mf = remote_get_input_nowait(playbuf)))
return mf;
}
/* Stop playing if -n is used, and we're at the frame specified. */
if ((playbuf->max_frames != -1) && (frames_played++ > playbuf->max_frames))
{
frames_played = 0;
status = MPG321_STOPPED;
if(options.opt & MPG321_ENABLE_BUFFER) Decoded_Frames->done = 1;
//fprintf(stderr,"Total D: %d\n",Decoded_Frames->total_decoded_frames);
return MAD_FLOW_STOP;
}
current_frame++;
mad_timer_add(¤t_time, header->duration);
if(options.opt & MPG321_USE_SCROBBLER && scrobbler_time > 0 && scrobbler_time < current_time.seconds)
{
scrobbler_time = -1;
scrobbler_report();
}
if(options.opt & (MPG321_VERBOSE_PLAY | MPG321_REMOTE_PLAY))
{
mad_timer_string(current_time, long_currenttime_str, "%.2u:%.2u.%.2u", MAD_UNITS_MINUTES,
MAD_UNITS_CENTISECONDS, 0);
if (mad_timer_compare(playbuf->duration, mad_timer_zero) == 0)
time_remaining = current_time;
else
time_remaining = playbuf->duration;
mad_timer_negate(¤t_time);
mad_timer_add(&time_remaining, current_time);
mad_timer_negate(¤t_time);
mad_timer_string(time_remaining, long_remaintime_str, "%.2u:%.2u.%.2u", MAD_UNITS_MINUTES,
MAD_UNITS_CENTISECONDS, 0);
}
/* update cached table of frames & times */
if (current_frame <= playbuf->num_frames) /* we only allocate enough for our estimate. */
{
playbuf->frames[current_frame] = playbuf->frames[current_frame-1] + (header->bitrate / 8 / 1000)
* mad_timer_count(header->duration, MAD_UNITS_MILLISECONDS);
playbuf->times[current_frame] = current_time;
}
if (file_change)
{
file_change = 0;
if (options.opt & MPG321_REMOTE_PLAY)
{
printf("@S %s %d %d %s %d %ld %d %d %d %d %ld %d\n",versionstring(header->flags), header->layer, header->samplerate,
modestringucase(header->mode), header->mode_extension,
(header->bitrate / 8 / 100) * mad_timer_count(header->duration, MAD_UNITS_CENTISECONDS),
MAD_NCHANNELS(header), header->flags & MAD_FLAG_COPYRIGHT ? 1 : 0,
header->flags & MAD_FLAG_PROTECTION ? 1 : 0, header->emphasis,
header->bitrate/1000, header->mode_extension);
}
else if (options.opt & MPG321_VERBOSE_PLAY)/*zip it good*/
{
fprintf(stderr, "MPEG %s, Layer: %s, Freq: %d, mode: %s, modext: %d, BPF : %ld\n"
"Channels: %d, copyright: %s, original: %s, CRC: %s, emphasis: %d.\n"
"Bitrate: %ld Kbits/s, Extension value: %d\n"
"Audio: 1:1 conversion, rate: %d, encoding: signed 16 bit, channels: %d\n",
versionstring(header->flags),layerstring(header->layer), header->samplerate, modestringucase(header->mode), header->mode_extension,
(header->bitrate / 100) * mad_timer_count(header->duration, MAD_UNITS_CENTISECONDS),
MAD_NCHANNELS(header), header->flags & MAD_FLAG_COPYRIGHT ? "Yes" : "No",
header->flags & MAD_FLAG_ORIGINAL ? "Yes" : "No", header->flags & MAD_FLAG_PROTECTION ? "Yes" : "No",
header->emphasis, header->bitrate/1000, header->mode_extension,
header->samplerate, MAD_NCHANNELS(header));
}
else if (!(options.opt & MPG321_QUIET_PLAY))/*I love Joey*/
{
fprintf(stderr, "MPEG %s layer %s, %ld kbit/s, %d Hz %s\n",
versionstring(header->flags),layerstring(header->layer), header->bitrate/1000, header->samplerate, modestring(header->mode));
}
}
if (status == MPG321_SEEKING && options.seek)
{
if (!--options.seek)
status = MPG321_PLAYING;
return MAD_FLOW_IGNORE;
}
else
{
status = MPG321_PLAYING;
}
if(!(options.opt & MPG321_ENABLE_BUFFER))
{
if(count > 0)
{
count++;
if(count > 40)
{
if(!(options.opt & MPG321_VERBOSE_PLAY))
fprintf(stderr," \r");
count = -1;
fflush(stderr);
}
}
}
if(options.opt & MPG321_ENABLE_BUFFER)
{
ao_time = (Output_Queue+mad_decoder_position)->time;
(Output_Queue+mad_decoder_position)->num_frames = playbuf->num_frames - current_frame;
if(Decoded_Frames->is_file) (Output_Queue+mad_decoder_position)->seconds = time_remaining.seconds;
}
if (options.opt & MPG321_VERBOSE_PLAY)
{
if (!options.skip_printing_frames
|| (options.skip_printing_frames && !(current_frame % options.skip_printing_frames)))
if(count > 0)
{
/* if(options.opt & MPG321_ENABLE_BUFFER)
{
sprintf(ao_time, "Frame# %5lu [%5lu], Time: %s [%s], \r", current_frame,
playbuf->num_frames > 0 ? playbuf->num_frames - current_frame : 0, long_currenttime_str, long_remaintime_str);
//sprintf(ao_time, "Frame# %5lu [%5lu], Time: %s [%s], \r", current_frame,
// playbuf->num_frames > 0 ? playbuf->num_frames - current_frame : 0, long_currenttime_str, long_remaintime_str);
//sprintf(ao_time, "Volume: %d%% Frame# %5lu [%5lu], Time: %s [%s], \r",volume, current_frame,
// playbuf->num_frames > 0 ? playbuf->num_frames - current_frame : 0, long_currenttime_str, long_remaintime_str);
}else*/
{
fprintf(stderr, "Volume: %d%% Frame# %5lu [%5lu], Time: %s [%s], \r",volume, current_frame,
playbuf->num_frames > 0 ? playbuf->num_frames - current_frame : 0, long_currenttime_str, long_remaintime_str);
}
}
else if(count < 0)
{
if(options.opt & MPG321_ENABLE_BUFFER)
{
// sprintf(ao_time, "Frame# %5lu [%5lu], Time: %s [%s], \r", current_frame,
sprintf(ao_time, "Frame# %5lu [%5lu], Time: %s [%s], \r", current_frame,
playbuf->num_frames > 0 ? playbuf->num_frames - current_frame : 0, long_currenttime_str, long_remaintime_str);
}
else
{
fprintf(stderr, "Frame# %5lu [%5lu], Time: %s [%s], \r", current_frame,
playbuf->num_frames > 0 ? playbuf->num_frames - current_frame : 0, long_currenttime_str, long_remaintime_str);
}
}
}
else if (options.opt & MPG321_REMOTE_PLAY)
{
if (!options.skip_printing_frames
|| (options.skip_printing_frames && !(current_frame % options.skip_printing_frames)))
{
if(options.opt & MPG321_ENABLE_BUFFER)
{
sprintf(ao_time,"@F %ld %ld %.2f %.2f\n", current_frame, playbuf->num_frames - current_frame,
((double)mad_timer_count(current_time, MAD_UNITS_CENTISECONDS)/100.0),
((double)mad_timer_count(time_remaining, MAD_UNITS_CENTISECONDS)/100.0));
}
else
{
fprintf(stderr,"@F %ld %ld %.2f %.2f\n", current_frame, playbuf->num_frames - current_frame,
((double)mad_timer_count(current_time, MAD_UNITS_CENTISECONDS)/100.0),
((double)mad_timer_count(time_remaining, MAD_UNITS_CENTISECONDS)/100.0));
}
}
}
return MAD_FLOW_CONTINUE;
}
int Mp3Decoder::Read(u8 * buffer, int buffer_size, int pos UNUSED)
{
if(!file_fd)
return -1;
if(Format == VOICE_STEREO_16BIT)
buffer_size &= ~0x0003;
else
buffer_size &= ~0x0001;
u8 * write_pos = buffer;
u8 * write_end = buffer+buffer_size;
while(1)
{
while(SynthPos < Synth.pcm.length)
{
if(write_pos >= write_end)
return write_pos-buffer;
*((s16 *) write_pos) = FixedToShort(Synth.pcm.samples[0][SynthPos]);
write_pos += 2;
if(MAD_NCHANNELS(&Frame.header) == 2)
{
*((s16 *) write_pos) = FixedToShort(Synth.pcm.samples[1][SynthPos]);
write_pos += 2;
}
SynthPos++;
}
if(Stream.buffer == NULL || Stream.error == MAD_ERROR_BUFLEN)
{
u8 * ReadStart = ReadBuffer;
int ReadSize = SoundBlockSize*SoundBlocks;
int Remaining = 0;
if(Stream.next_frame != NULL)
{
Remaining = Stream.bufend - Stream.next_frame;
memmove(ReadBuffer, Stream.next_frame, Remaining);
ReadStart += Remaining;
ReadSize -= Remaining;
}
ReadSize = file_fd->read(ReadStart, ReadSize);
if(ReadSize <= 0)
{
GuardPtr = ReadStart;
memset(GuardPtr, 0, MAD_BUFFER_GUARD);
ReadSize = MAD_BUFFER_GUARD;
}
CurPos += ReadSize;
mad_stream_buffer(&Stream, ReadBuffer, Remaining+ReadSize);
}
if(mad_frame_decode(&Frame,&Stream))
{
if(MAD_RECOVERABLE(Stream.error))
{
if(Stream.error != MAD_ERROR_LOSTSYNC || !GuardPtr)
continue;
}
else
{
if(Stream.error != MAD_ERROR_BUFLEN)
return -1;
else if(Stream.error == MAD_ERROR_BUFLEN && GuardPtr)
return -1;
}
}
mad_timer_add(&Timer,Frame.header.duration);
mad_synth_frame(&Synth,&Frame);
SynthPos = 0;
}
return 0;
}
/* Read up to len samples from p->Synth
* If needed, read some more MP3 data, decode them and synth them
* Place in buf[].
* Return number of samples read. */
static int mp3_decode(snd_stream_t *stream, byte *buf, int len)
{
mp3_priv_t *p = (mp3_priv_t *) stream->priv;
int donow, i, done = 0;
mad_fixed_t sample;
int chan, x;
do
{
x = (p->Synth.pcm.length - p->cursamp) * stream->info.channels;
donow = min(len, x);
i = 0;
while (i < donow)
{
for (chan = 0; chan < stream->info.channels; chan++)
{
sample = p->Synth.pcm.samples[chan][p->cursamp];
/* convert from fixed to short,
* write in host-endian format. */
if (sample <= -MAD_F_ONE)
sample = -0x7FFF;
else if (sample >= MAD_F_ONE)
sample = 0x7FFF;
else
sample >>= (MAD_F_FRACBITS + 1 - 16);
if (host_bigendian)
{
*buf++ = (sample >> 8) & 0xFF;
*buf++ = sample & 0xFF;
}
else /* assumed LITTLE_ENDIAN. */
{
*buf++ = sample & 0xFF;
*buf++ = (sample >> 8) & 0xFF;
}
i++;
}
p->cursamp++;
}
len -= donow;
done += donow;
if (len == 0)
break;
/* check whether input buffer needs a refill */
if (p->Stream.error == MAD_ERROR_BUFLEN)
{
if (mp3_inputdata(stream) == -1)
{
/* check feof() ?? */
Con_DPrintf("mp3 EOF\n");
break;
}
}
if (mad_frame_decode(&p->Frame, &p->Stream))
{
if (MAD_RECOVERABLE(p->Stream.error))
{
mp3_inputtag(stream);
continue;
}
else
{
if (p->Stream.error == MAD_ERROR_BUFLEN)
continue;
else
{
Con_Printf("MP3: unrecoverable frame level error (%s)\n",
mad_stream_errorstr(&p->Stream));
break;
}
}
}
p->FrameCount++;
mad_timer_add(&p->Timer, p->Frame.header.duration);
mad_synth_frame(&p->Synth, &p->Frame);
p->cursamp = 0;
} while (1);
static int
MP3Callback_22k(void *_buf2, unsigned int numSamples, void *pdata)
{
int i;
short *_buf = (short *)_buf2;
unsigned long samplesOut = 0;
numSamples /= 2;
// Playing , so mix up a buffer
if (samplesInOutput > 0)
{
if (samplesInOutput > numSamples) {
write22k_buf((short *) _buf, (short *) OutputBuffer, numSamples * 2);
samplesOut = numSamples;
samplesInOutput -= numSamples;
} else {
write22k_buf((short *) _buf, (short *) OutputBuffer, samplesInOutput * 2);
samplesOut = samplesInOutput;
samplesInOutput = 0;
}
}
while (samplesOut < numSamples)
{
if (Stream.buffer == NULL) {
Stream.error = 0;
mad_stream_buffer(&Stream, mp3_data, size);
}
if (Stream.error == MAD_ERROR_BUFLEN) {
Stream.error = 0;
if (isRepeatMode) {
MP3_Restart();
mad_stream_buffer(&Stream, mp3_data, size);
samplesInOutput = 0;
} else {
MP3_Stop();
return 0;
}
}
if (mad_frame_decode(&Frame, &Stream)) {
if (MAD_RECOVERABLE(Stream.error)) {
return 0;
} else
if (Stream.error == MAD_ERROR_BUFLEN) {
if (! isRepeatMode) {
MP3_Stop();
return 0;
}
} else {
MP3_Stop();
}
}
FrameCount++;
mad_timer_add(&Timer, Frame.header.duration);
mad_synth_frame(&Synth, &Frame);
for (i = 0; i < Synth.pcm.length; i++) {
signed short Sample;
if (samplesOut < numSamples) {
/* Left channel */
Sample = MadFixedToSshort(Synth.pcm.samples[0][i]);
_buf[((samplesOut * 2) * 2) ] = Sample;
_buf[((samplesOut * 2) * 2) + 1] = Sample;
/* Right channel. If the decoded stream is monophonic then
* the right output channel is the same as the left one.
*/
if (MAD_NCHANNELS(&Frame.header) == 2) {
Sample = MadFixedToSshort(Synth.pcm.samples[1][i]);
}
_buf[(((samplesOut * 2) + 1) * 2) ] = Sample;
_buf[(((samplesOut * 2) + 1) * 2) + 1] = Sample;
samplesOut++;
} else {
Sample = MadFixedToSshort(Synth.pcm.samples[0][i]);
OutputBuffer[samplesInOutput * 2] = Sample;
if (MAD_NCHANNELS(&Frame.header) == 2) {
Sample = MadFixedToSshort(Synth.pcm.samples[1][i]);
}
OutputBuffer[samplesInOutput * 2 + 1] = Sample;
samplesInOutput++;
}
}
}
return isPlaying;
}
unsigned int mpgDecoder::decode( float *** data, int count )
{
#ifdef HAVE_MAD
if(data)
*data=returnBuffer;
while( mad_outputBuffer[0].canWrite(1152) ) // well letts refill the Input buffer..........
{
if( madStream->buffer == NULL || madStream->error == MAD_ERROR_BUFLEN) // well letts refill the Input buffer..........
{
size_t readSize, remaining;
unsigned char* readStart;
unsigned char* guardPtr;
if( madFile->atEnd() )
return(0);
if(madStream->next_frame) // move remaining bytes to start wich has not been decoded yet...
{
remaining = mad_inputBuffer + 163840 - madStream->next_frame;
memmove( mad_inputBuffer, madStream->next_frame, remaining );
readStart = mad_inputBuffer + remaining;
readSize = 163840 - remaining;
}
else
{
readSize = 163840;
readStart = mad_inputBuffer;
remaining = 0;
}
// get some more Byte from File...
unsigned int readCnt = 0;
while( !madFile->atEnd() && readCnt < readSize)
{
readStart[readCnt] = madFile->read(1).at(0);
readCnt++;
}
//bei EOF ein paar GUARD 0Bytes anhaengen die MAD benötigt..
if( madFile->atEnd() )
{
guardPtr = readStart + readCnt;
memset( guardPtr, 0, MAD_BUFFER_GUARD);
readCnt += MAD_BUFFER_GUARD;
}
mad_stream_buffer( madStream, mad_inputBuffer, readCnt+remaining);
madStream->error = MAD_ERROR_NONE;
}
// well lets decode the buffer and get some Music out of it :-)
mad_frame_decode( madFrame, madStream );
frameCounter++;
// first MPeg Frame isnt Played cause it contains noisy Metadata if we Play it :D
// frame is also not played if we could not decode the whole MPeg frame in case of end of input buffer
if(madStream->error==MAD_ERROR_BUFLEN || frameCounter ==1)
continue;
mad_timer_add( currentPositionTimer, madFrame->header.duration );
mad_synth_frame( madSynth, madFrame );
// decoding done.. convert sampletype...
for( unsigned int j=0; j<channels; j++ )
for(unsigned int i=0; i<madSynth->pcm.length; i++ )
{
float temp = scale( madSynth->pcm.samples[j][i]);
mad_outputBuffer[j].write( &temp, 1 );
}
}
//nice little workarround so the buffer never gets so much back it wants to....
int dataAvailable = mad_outputBuffer[0].canRead(count*.95)?count*.95:mad_outputBuffer[0].getAvailable()-8;
// ensure the return buffer is clean...
memset(returnBuffer[0], 0, 8192*sizeof(float));
memset(returnBuffer[1], 0, 8192*sizeof(float));
for( unsigned int j=0; j<channels; j++ )
mad_outputBuffer[j].read( returnBuffer[j], dataAvailable );
return dataAvailable;
#endif
}
static void MP3Update(void)
{
int flip;
UINT8 *GuardPtr;
INT16 *OutputPtr, *OutputEnd;
struct mad_stream Stream;
struct mad_frame Frame;
struct mad_synth Synth;
mad_timer_t Timer;
mad_stream_init(&Stream);
mad_frame_init(&Frame);
mad_synth_init(&Synth);
mad_timer_reset(&Timer);
OutputPtr = (INT16 *)mp3_out[0];
OutputEnd = (INT16 *)(mp3_out[0] + MP3_BUFFER_SIZE);
GuardPtr = NULL;
mp3_filepos = 0;
mp3_frame = 0;
flip = 0;
cdda_command_ack = 1;
while (mp3_active && mp3_status != MP3_STOP)
{
if (Stream.buffer == NULL || Stream.error == MAD_ERROR_BUFLEN)
{
UINT32 ReadSize, Remaining;
UINT8 *ReadStart;
if (Stream.next_frame != NULL)
{
Remaining = Stream.bufend - Stream.next_frame;
ReadStart = mp3_in + Remaining;
ReadSize = (2 * MP3_BUFFER_SIZE) - Remaining;
memmove(mp3_in, Stream.next_frame, Remaining);
}
else
{
ReadSize = 2 * MP3_BUFFER_SIZE;
ReadStart = mp3_in;
Remaining = 0;
}
if (MP3SleepCheck()) break;
ReadSize = sceIoRead(mp3_fd, ReadStart, ReadSize);
mp3_filepos += ReadSize;
if (mp3_filepos == mp3_fsize)
{
if (cdda_autoloop)
{
mp3_filepos = 0;
sceIoLseek(mp3_fd, 0, PSP_SEEK_SET);
}
else
{
cdda_playing = CDDA_STOP;
mp3_status = MP3_STOP;
}
}
if (mp3_filepos == mp3_fsize)
{
GuardPtr = ReadStart + ReadSize;
memset(GuardPtr, 0, MAD_BUFFER_GUARD);
ReadSize += MAD_BUFFER_GUARD;
}
mad_stream_buffer(&Stream, mp3_in, ReadSize + Remaining);
Stream.error = 0;
}
if (mad_frame_decode(&Frame, &Stream))
{
if (MAD_RECOVERABLE(Stream.error))
{
// if (Stream.error != MAD_ERROR_LOSTSYNC || Stream.this_frame != GuardPtr)
continue;
}
else if (Stream.error == MAD_ERROR_BUFLEN)
{
continue;
}
else
{
ui_popup(TEXT(MP3_DECODE_ERROR));
mp3_status = MP3_STOP;
break;
}
}
mp3_frame++;
mad_timer_add(&Timer, Frame.header.duration);
mad_synth_frame(&Synth, &Frame);
if (mp3_status == MP3_PLAY)
{
int i;
for (i = 0; i < Synth.pcm.length; i++)
{
if (MAD_NCHANNELS(&Frame.header) == 2)
{
*OutputPtr++ = MP3Limit(Synth.pcm.samples[0][i]);
*OutputPtr++ = MP3Limit(Synth.pcm.samples[1][i]);
}
else
{
INT16 data = MP3Limit(Synth.pcm.samples[0][i]);
*OutputPtr++ = data;
*OutputPtr++ = data;
}
if (OutputPtr == OutputEnd)
{
sceAudioOutputPannedBlocking(mp3_handle, mp3_volume, mp3_volume, mp3_out[flip]);
flip ^= 1;
OutputPtr = (INT16 *)mp3_out[flip];
OutputEnd = (INT16 *)(mp3_out[flip] + MP3_BUFFER_SIZE);
}
}
}
else if (mp3_status == MP3_SEEK)
{
if (mp3_frame >= mp3_start_frame)
{
mp3_start_frame = 0;
mp3_status = MP3_SLEEP;
sceKernelSleepThread();
}
}
}
mad_synth_finish(&Synth);
mad_frame_finish(&Frame);
mad_stream_finish(&Stream);
if (mp3_fd >= 0)
{
sceIoClose(mp3_fd);
mp3_fd = -1;
}
}
bool Mp3AudioFileReader::run(AudioProcessor& processor)
{
if (file_ == nullptr) {
return false;
}
enum {
STATUS_OK,
STATUS_INIT_ERROR,
STATUS_READ_ERROR,
STATUS_PROCESS_ERROR
} status = STATUS_OK;
unsigned char input_buffer[INPUT_BUFFER_SIZE + MAD_BUFFER_GUARD];
unsigned char* guard_ptr = nullptr;
unsigned long frame_count = 0;
short output_buffer[OUTPUT_BUFFER_SIZE];
short* output_ptr = output_buffer;
const short* const output_buffer_end = output_buffer + OUTPUT_BUFFER_SIZE;
int channels = 0;
// Decoding options can here be set in the options field of the stream
// structure.
// {1} When decoding from a file we need to know when the end of the file is
// reached at the same time as the last bytes are read (see also the comment
// marked {3} below). Neither the standard C fread() function nor the POSIX
// read() system call provides this feature. We thus need to perform our
// reads through an interface having this feature, this is implemented here
// by the bstdfile.c module.
BStdFile bstd_file(file_);
// Initialize the structures used by libmad.
MadStream stream;
MadFrame frame;
MadSynth synth;
mad_timer_t timer;
mad_timer_reset(&timer);
// This is the decoding loop.
for (;;) {
// The input bucket must be filled if it becomes empty or if it's the
// first execution of the loop.
if (stream.buffer == nullptr || stream.error == MAD_ERROR_BUFLEN) {
size_t read_size;
size_t remaining;
unsigned char* read_start;
// {2} libmad may not consume all bytes of the input buffer. If the
// last frame in the buffer is not wholly contained by it, then that
// frame's start is pointed by the next_frame member of the stream
// structure. This common situation occurs when mad_frame_decode()
// fails, sets the stream error code to MAD_ERROR_BUFLEN, and sets
// the next_frame pointer to a non-NULL value. (See also the comment
// marked {4} below.)
//
// When this occurs, the remaining unused bytes must be put back at
// the beginning of the buffer and taken in account before refilling
// the buffer. This means that the input buffer must be large enough
// to hold a whole frame at the highest observable bit-rate
// (currently 448 kb/s). XXX=XXX Is 2016 bytes the size of the
// largest frame? (448000*(1152/32000))/8
if (stream.next_frame != nullptr) {
remaining = stream.bufend - stream.next_frame;
memmove(input_buffer, stream.next_frame, remaining);
read_start = input_buffer + remaining;
read_size = INPUT_BUFFER_SIZE - remaining;
}
else {
read_size = INPUT_BUFFER_SIZE;
read_start = input_buffer;
remaining = 0;
}
// Fill-in the buffer. If an error occurs print a message and leave
// the decoding loop. If the end of stream is reached we also leave
// the loop but the return status is left untouched.
read_size = bstd_file.read(read_start, 1, read_size);
if (read_size <= 0) {
if (ferror(file_)) {
error_stream << "\nRead error on bit-stream: "
<< strerror(errno) << '\n';
status = STATUS_READ_ERROR;
}
break;
}
// {3} When decoding the last frame of a file, it must be followed
// by MAD_BUFFER_GUARD zero bytes if one wants to decode that last
// frame. When the end of file is detected we append that quantity
// of bytes at the end of the available data. Note that the buffer
// can't overflow as the guard size was allocated but not used the
// the buffer management code. (See also the comment marked {1}.)
//
// In a message to the mad-dev mailing list on May 29th, 2001, Rob
// Leslie explains the guard zone as follows:
//
// "The reason for MAD_BUFFER_GUARD has to do with the way
// decoding is performed. In Layer III, Huffman decoding may
// inadvertently read a few bytes beyond the end of the buffer in
// the case of certain invalid input. This is not detected until
// after the fact. To prevent this from causing problems, and
// also to ensure the next frame's main_data_begin pointer is
// always accessible, MAD requires MAD_BUFFER_GUARD (currently 8)
// bytes to be present in the buffer past the end of the current
// frame in order to decode the frame."
if (bstd_file.eof()) {
guard_ptr = read_start + read_size;
memset(guard_ptr, 0, MAD_BUFFER_GUARD);
read_size += MAD_BUFFER_GUARD;
}
// Pipe the new buffer content to libmad's stream decoder facility.
mad_stream_buffer(&stream, input_buffer, read_size + remaining);
stream.error = MAD_ERROR_NONE;
}
// Decode the next MPEG frame. The streams is read from the buffer, its
// constituents are break down and stored the the frame structure, ready
// for examination/alteration or PCM synthesis. Decoding options are
// carried in the frame structure from the stream structure.
//
// Error handling: mad_frame_decode() returns a non zero value when an
// error occurs. The error condition can be checked in the error member
// of the stream structure. A mad error is recoverable or fatal, the
// error status is checked with the MAD_RECOVERABLE macro.
//
// {4} When a fatal error is encountered all decoding activities shall
// be stopped, except when a MAD_ERROR_BUFLEN is signaled. This
// condition means that the mad_frame_decode() function needs more input
// to complete its work. One shall refill the buffer and repeat the
// mad_frame_decode() call. Some bytes may be left unused at the end of
// the buffer if those bytes forms an incomplete frame. Before
// refilling, the remaining bytes must be moved to the beginning of the
// buffer and used for input for the next mad_frame_decode() invocation.
// (See the comments marked {2} earlier for more details.)
//
// Recoverable errors are caused by malformed bit-streams, in this case
// one can call again mad_frame_decode() in order to skip the faulty
// part and re-sync to the next frame.
if (mad_frame_decode(&frame, &stream)) {
if (MAD_RECOVERABLE(stream.error)) {
// Do not print a message if the error is a loss of
// synchronization and this loss is due to the end of stream
// guard bytes. (See the comment marked {3} above for more
// information about guard bytes.)
if (stream.error != MAD_ERROR_LOSTSYNC ||
stream.this_frame != guard_ptr) {
// For any MP3 file we typically see two errors in the
// first frame processed:
// - lost synchronization
// - reserved header layer value
// This seems to be OK, so don't print these
if (frame_count != 0) {
error_stream << "\nRecoverable frame level error: "
<< mad_stream_errorstr(&stream) << '\n';
}
}
continue;
}
else {
if (stream.error == MAD_ERROR_BUFLEN) {
continue;
}
else {
error_stream << "\nUnrecoverable frame level error: "
<< mad_stream_errorstr(&stream) << '\n';
status = STATUS_READ_ERROR;
break;
}
}
}
// Display the characteristics of the stream's first frame. The first
// frame is representative of the entire stream.
if (frame_count == 0) {
const int sample_rate = frame.header.samplerate;
channels = MAD_NCHANNELS(&frame.header);
dumpInfo(output_stream, frame.header);
if (!processor.init(sample_rate, channels, OUTPUT_BUFFER_SIZE)) {
status = STATUS_PROCESS_ERROR;
break;
}
showProgress(0, file_size_);
}
// Accounting. The computed frame duration is in the frame header
// structure. It is expressed as a fixed point number whole data type is
// mad_timer_t. It is different from the samples fixed point format and
// unlike it, it can't directly be added or subtracted. The timer module
// provides several functions to operate on such numbers. Be careful
// there, as some functions of libmad's timer module receive some of
// their mad_timer_t arguments by value!
frame_count++;
mad_timer_add(&timer, frame.header.duration);
// Once decoded the frame is synthesized to PCM samples. No errors are
// reported by mad_synth_frame();
mad_synth_frame(&synth, &frame);
// Synthesized samples must be converted from libmad's fixed point
// number to the consumer format. Here we use signed 16 bit integers on
// two channels. Integer samples are temporarily stored in a buffer that
// is flushed when full.
for (int i = 0; i < synth.pcm.length; i++) {
// Left channel
short sample = MadFixedToSshort(synth.pcm.samples[0][i]);
*output_ptr++ = sample;
// Right channel. If the decoded stream is monophonic then the right
// output channel is the same as the left one.
if (MAD_NCHANNELS(&frame.header) == 2) {
sample = MadFixedToSshort(synth.pcm.samples[1][i]);
*output_ptr++ = sample;
}
// Flush the output buffer if it is full
if (output_ptr == output_buffer_end) {
long pos = ftell(file_);
showProgress(pos, file_size_);
bool success = processor.process(
output_buffer,
OUTPUT_BUFFER_SIZE / channels
);
if (!success) {
status = STATUS_PROCESS_ERROR;
break;
}
output_ptr = output_buffer;
}
}
}
// If the output buffer is not empty and no error occurred during the last
// write, then flush it.
if (output_ptr != output_buffer && status != STATUS_PROCESS_ERROR) {
int buffer_size = static_cast<int>(output_ptr - output_buffer);
bool success = processor.process(output_buffer, buffer_size / channels);
if (!success) {
status = STATUS_PROCESS_ERROR;
}
}
// Accounting report if no error occurred.
if (status == STATUS_OK) {
// Report 100% done.
showProgress(file_size_, file_size_);
char buffer[80];
// The duration timer is converted to a human readable string with the
// versatile, but still constrained mad_timer_string() function, in a
// fashion not unlike strftime(). The main difference is that the timer
// is broken into several values according some of its arguments. The
// units and fracunits arguments specify the intended conversion to be
// executed.
//
// The conversion unit (MAD_UNIT_MINUTES in our example) also specify
// the order and kind of conversion specifications that can be used in
// the format string.
//
// It is best to examine libmad's timer.c source-code for details of the
// available units, fraction of units, their meanings, the format
// arguments, etc.
mad_timer_string(timer, buffer, "%lu:%02lu.%03u",
MAD_UNITS_MINUTES, MAD_UNITS_MILLISECONDS, 0);
output_stream << "\nFrames decoded: " << frame_count
<< " (" << buffer << ")\n";
}
processor.done();
close();
return status == STATUS_OK;
}
/*
* NAME: parse_time()
* DESCRIPTION: parse a time specification string
*/
static
int parse_time(mad_timer_t *timer, char const *str)
{
mad_timer_t time, accum = mad_timer_zero;
signed long decimal;
unsigned long seconds, fraction, fracpart;
int minus;
while (isspace((unsigned char) *str))
++str;
do {
seconds = fraction = fracpart = 0;
switch (*str) {
case '-':
++str;
minus = 1;
break;
case '+':
++str;
default:
minus = 0;
}
do {
decimal = strtol(str, (char **) &str, 10);
if (decimal < 0)
return -1;
seconds += decimal;
if (*str == ':') {
seconds *= 60;
++str;
}
}
while (*str >= '0' && *str <= '9');
if (*str == '.'
# if defined(HAVE_LOCALECONV)
|| *str == *localeconv()->decimal_point
# endif
) {
char const *ptr;
decimal = strtol(++str, (char **) &ptr, 10);
if (decimal < 0)
return -1;
fraction = decimal;
for (fracpart = 1; str != ptr; ++str)
fracpart *= 10;
}
else if (*str == '/') {
++str;
decimal = strtol(str, (char **) &str, 10);
if (decimal < 0)
return -1;
fraction = seconds;
fracpart = decimal;
seconds = 0;
}
mad_timer_set(&time, seconds, fraction, fracpart);
if (minus)
mad_timer_negate(&time);
mad_timer_add(&accum, time);
}
while (*str == '-' || *str == '+');
while (isspace((unsigned char) *str))
++str;
if (*str != 0)
return -1;
*timer = accum;
return 0;
}
/* Reads the next frame from the file. Returns true on success or
false on failure. */
static int
read_next_frame(mad_data *mp3_mad) {
if (mp3_mad->stream.buffer == NULL ||
mp3_mad->stream.error == MAD_ERROR_BUFLEN) {
size_t read_size;
size_t remaining;
unsigned char *read_start;
/* There might be some bytes in the buffer left over from last
time. If so, move them down and read more bytes following
them. */
if (mp3_mad->stream.next_frame != NULL) {
remaining = mp3_mad->stream.bufend - mp3_mad->stream.next_frame;
memmove(mp3_mad->input_buffer, mp3_mad->stream.next_frame, remaining);
read_start = mp3_mad->input_buffer + remaining;
read_size = MAD_INPUT_BUFFER_SIZE - remaining;
} else {
read_size = MAD_INPUT_BUFFER_SIZE;
read_start = mp3_mad->input_buffer;
remaining = 0;
}
/* Now read additional bytes from the input file. */
read_size = SDL_RWread(mp3_mad->src, read_start, 1, read_size);
if (read_size <= 0) {
if ((mp3_mad->status & (MS_input_eof | MS_input_error)) == 0) {
if (read_size == 0) {
mp3_mad->status |= MS_input_eof;
} else {
mp3_mad->status |= MS_input_error;
}
/* At the end of the file, we must stuff MAD_BUFFER_GUARD
number of 0 bytes. */
SDL_memset(read_start + read_size, 0, MAD_BUFFER_GUARD);
read_size += MAD_BUFFER_GUARD;
}
}
/* Now feed those bytes into the libmad stream. */
mad_stream_buffer(&mp3_mad->stream, mp3_mad->input_buffer,
read_size + remaining);
mp3_mad->stream.error = MAD_ERROR_NONE;
}
/* Now ask libmad to extract a frame from the data we just put in
its buffer. */
if (mad_frame_decode(&mp3_mad->frame, &mp3_mad->stream)) {
if (MAD_RECOVERABLE(mp3_mad->stream.error)) {
return 0;
} else if (mp3_mad->stream.error == MAD_ERROR_BUFLEN) {
return 0;
} else {
mp3_mad->status |= MS_decode_error;
return 0;
}
}
mp3_mad->frames_read++;
mad_timer_add(&mp3_mad->next_frame_start, mp3_mad->frame.header.duration);
return 1;
}
static void
MP3_getInfo()
{
int FrameCount = 0;
struct mad_stream stream;
struct mad_header header;
mad_stream_init (&stream);
mad_header_init (&header);
MP3_info.fileSize = size;
mad_timer_reset(&MP3_info.length);
mad_stream_buffer (&stream, mp3_data, size);
while (1){
if (mad_header_decode (&header, &stream) == -1){
if (MAD_RECOVERABLE(stream.error)){
continue;
}else{
break;
}
}
//Informazioni solo dal primo frame:
if (FrameCount == 0){
switch (header.layer) {
case MAD_LAYER_I:
strcpy(MP3_info.layer,"I");
break;
case MAD_LAYER_II:
strcpy(MP3_info.layer,"II");
break;
case MAD_LAYER_III:
strcpy(MP3_info.layer,"III");
break;
default:
strcpy(MP3_info.layer,"unknown");
break;
}
MP3_info.kbit = header.bitrate / 1000;
MP3_info.hz = header.samplerate;
switch (header.mode) {
case MAD_MODE_SINGLE_CHANNEL:
strcpy(MP3_info.mode, "single channel");
break;
case MAD_MODE_DUAL_CHANNEL:
strcpy(MP3_info.mode, "dual channel");
break;
case MAD_MODE_JOINT_STEREO:
strcpy(MP3_info.mode, "joint (MS/intensity) stereo");
break;
case MAD_MODE_STEREO:
strcpy(MP3_info.mode, "normal LR stereo");
break;
default:
strcpy(MP3_info.mode, "unknown");
break;
}
switch (header.emphasis) {
case MAD_EMPHASIS_NONE:
strcpy(MP3_info.emphasis,"no");
break;
case MAD_EMPHASIS_50_15_US:
strcpy(MP3_info.emphasis,"50/15 us");
break;
case MAD_EMPHASIS_CCITT_J_17:
strcpy(MP3_info.emphasis,"CCITT J.17");
break;
case MAD_EMPHASIS_RESERVED:
strcpy(MP3_info.emphasis,"reserved(!)");
break;
default:
strcpy(MP3_info.emphasis,"unknown");
break;
}
}
FrameCount++;
mad_timer_add (&MP3_info.length, header.duration);
}
mad_header_finish (&header);
mad_stream_finish (&stream);
MP3_info.frames = FrameCount;
mad_timer_string(MP3_info.length, MP3_info.strLength, "%02lu:%02u:%02u", MAD_UNITS_HOURS, MAD_UNITS_MILLISECONDS, 0);
}
/*
* NAME: main()
* DESCRIPTION: program entry point
*/
int main(int argc, char *argv[])
{
struct player player;
int result = 0;
argv0 = argv[0];
/* ensure binary standard I/O */
# if defined(_WIN32)
_setmode(_fileno(stdin), _O_BINARY);
_setmode(_fileno(stdout), _O_BINARY);
# endif
/* internationalization support */
# if defined(ENABLE_NLS)
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
# endif
/* initialize and get options */
player_init(&player);
# if !defined(__CYGWIN__) /* Cygwin support for this is currently buggy */
/* check for default tty control */
if (isatty(STDIN_FILENO))
player.options |= PLAYER_OPTION_TTYCONTROL;
# endif
get_options(argc, argv, &player);
/* main processing */
if (player.verbosity >= 0)
ver_banner(stderr);
if (player.options & PLAYER_OPTION_CROSSFADE) {
if (!(player.options & PLAYER_OPTION_GAP))
warn(_("cross-fade ignored without gap"));
else if (mad_timer_sign(player.gap) >= 0)
warn(_("cross-fade ignored without negative gap"));
}
if (player.output.replay_gain & PLAYER_RGAIN_ENABLED) {
if (player.options & PLAYER_OPTION_IGNOREVOLADJ)
warn(_("volume adjustment ignored with Replay Gain enabled"));
else
player.options |= PLAYER_OPTION_IGNOREVOLADJ;
}
if ((player.options & PLAYER_OPTION_SHOWTAGSONLY) &&
player.repeat != 1) {
warn(_("ignoring repeat"));
player.repeat = 1;
}
/* make stop time absolute */
if (player.options & PLAYER_OPTION_TIMED)
mad_timer_add(&player.global_stop, player.global_start);
/* get default audio output module */
if (player.output.command == 0 &&
!(player.options & PLAYER_OPTION_SHOWTAGSONLY))
player.output.command = audio_output(0);
# if defined(EXPERIMENTAL)
if (external_mix) {
player.options |= PLAYER_OPTION_EXTERNALMIX;
player.output.command = 0;
}
if (experimental)
player.options |= PLAYER_OPTION_EXPERIMENTAL;
# endif
/* run the player */
if (player_run(&player, argc - optind, (char const **) &argv[optind]) == -1)
result = 4;
/* finish up */
player_finish(&player);
return result;
}
static int mp3_startread(snd_stream_t *stream)
{
mp3_priv_t *p = (mp3_priv_t *) stream->priv;
size_t ReadSize;
mad_stream_init(&p->Stream);
mad_frame_init(&p->Frame);
mad_synth_init(&p->Synth);
mad_timer_reset(&p->Timer);
/* Decode at least one valid frame to find out the input
* format. The decoded frame will be saved off so that it
* can be processed later.
*/
ReadSize = FS_fread(p->mp3_buffer, 1, MP3_BUFFER_SIZE, &stream->fh);
if (ReadSize != MP3_BUFFER_SIZE)
{
if (FS_feof(&stream->fh) || FS_ferror(&stream->fh))
return -1;
}
mad_stream_buffer(&p->Stream, p->mp3_buffer, ReadSize);
/* Find a valid frame before starting up. This makes sure
* that we have a valid MP3 and also skips past ID3v2 tags
* at the beginning of the audio file.
*/
p->Stream.error = MAD_ERROR_NONE;
while (mad_frame_decode(&p->Frame,&p->Stream))
{
/* check whether input buffer needs a refill */
if (p->Stream.error == MAD_ERROR_BUFLEN)
{
if (mp3_inputdata(stream) == -1)
return -1;
continue;
}
/* Consume any ID3 tags */
mp3_inputtag(stream);
/* FIXME: We should probably detect when we've read
* a bunch of non-ID3 data and still haven't found a
* frame. In that case we can abort early without
* scanning the whole file.
*/
p->Stream.error = MAD_ERROR_NONE;
}
if (p->Stream.error)
{
Con_Printf("MP3: No valid MP3 frame found\n");
return -1;
}
switch(p->Frame.header.mode)
{
case MAD_MODE_SINGLE_CHANNEL:
case MAD_MODE_DUAL_CHANNEL:
case MAD_MODE_JOINT_STEREO:
case MAD_MODE_STEREO:
stream->info.channels = MAD_NCHANNELS(&p->Frame.header);
break;
default:
Con_Printf("MP3: Cannot determine number of channels\n");
return -1;
}
p->FrameCount = 1;
mad_timer_add(&p->Timer,p->Frame.header.duration);
mad_synth_frame(&p->Synth,&p->Frame);
stream->info.width = MP3_MAD_SAMPLEWIDTH;
stream->info.rate = p->Synth.pcm.samplerate;
p->cursamp = 0;
return 0;
}
bool madaudiofile::getNextAudioFrame() {
#ifdef HAVE_MAD_H
#ifdef MADAUDIO_PRINT_DEBUG
printf("Now in getNextAudioFrame()\n");
#endif
u_int8_t *OutputPtr = OutputBuffer;
u_int8_t *GuardPtr = NULL;
while(OutputPtr < OutputBufferEnd) {
/* The input bucket must be filled if it becomes empty or if
* it's the first execution of the loop.
*/
if(Stream->buffer==NULL || Stream->error==MAD_ERROR_BUFLEN ||
frame_count == 0) {
size_t ReadSize,Remaining;
unsigned char *ReadStart;
/* {2} libmad may not consume all bytes of the input
* buffer. If the last frame in the buffer is not wholly
* contained by it, then that frame's start is pointed by
* the next_frame member of the Stream structure. This
* common situation occurs when mad_frame_decode() fails,
* sets the stream error code to MAD_ERROR_BUFLEN, and
* sets the next_frame pointer to a non NULL value. (See
* also the comment marked {4} bellow.)
*
* When this occurs, the remaining unused bytes must be
* put back at the beginning of the buffer and taken in
* account before refilling the buffer. This means that
* the input buffer must be large enough to hold a whole
* frame at the highest observable bit-rate (currently 448
* kb/s). XXX=XXX Is 2016 bytes the size of the largest
* frame? (448000*(1152/32000))/8
*/
if(Stream->next_frame!=NULL) {
Remaining=Stream->bufend-Stream->next_frame;
memmove(InputBuffer,Stream->next_frame,Remaining);
ReadStart=InputBuffer+Remaining;
ReadSize=INPUT_BUFFER_SIZE-Remaining;
}
else
ReadSize=INPUT_BUFFER_SIZE,
ReadStart=InputBuffer,
Remaining=0;
/* Fill-in the buffer. If an error occurs print a message
* and leave the decoding loop. If the end of stream is
* reached we also leave the loop but the return status is
* left untouched.
*/
ReadSize=readData(ReadStart,1,ReadSize,file);
if(ReadSize<=0) {
break; // probably end of file reached and nothing was read
}
/* {3} When decoding the last frame of a file, it must be
* followed by MAD_BUFFER_GUARD zero bytes if one wants to
* decode that last frame. When the end of file is
* detected we append that quantity of bytes at the end of
* the available data. Note that the buffer can't overflow
* as the guard size was allocated but not used the the
* buffer management code. (See also the comment marked
* {1}.)
*
* In a message to the mad-dev mailing list on May 29th,
* 2001, Rob Leslie explains the guard zone as follows:
*
* "The reason for MAD_BUFFER_GUARD has to do with the
* way decoding is performed. In Layer III, Huffman
* decoding may inadvertently read a few bytes beyond
* the end of the buffer in the case of certain invalid
* input. This is not detected until after the fact. To
* prevent this from causing problems, and also to
* ensure the next frame's main_data_begin pointer is
* always accessible, MAD requires MAD_BUFFER_GUARD
* (currently 8) bytes to be present in the buffer past
* the end of the current frame in order to decode the
* frame."
*/
if(reachedEOF) {
GuardPtr=ReadStart+ReadSize;
memset(GuardPtr,0,MAD_BUFFER_GUARD);
ReadSize+=MAD_BUFFER_GUARD;
}
/* Pipe the new buffer content to libmad's stream decoder
* facility.
*/
mad_stream_buffer(Stream,InputBuffer,ReadSize+Remaining);
Stream->error=(mad_error)0;
}
/* Decode the next MPEG frame. The streams is read from the
* buffer, its constituents are break down and stored the the
* Frame structure, ready for examination/alteration or PCM
* synthesis. Decoding options are carried in the Frame
* structure from the Stream structure.
*
* Error handling: mad_frame_decode() returns a non zero value
* when an error occurs. The error condition can be checked in
* the error member of the Stream structure. A mad error is
* recoverable or fatal, the error status is checked with the
* MAD_RECOVERABLE macro.
*
* {4} When a fatal error is encountered all decoding
* activities shall be stopped, except when a MAD_ERROR_BUFLEN
* is signaled. This condition means that the
* mad_frame_decode() function needs more input to complete
* its work. One shall refill the buffer and repeat the
* mad_frame_decode() call. Some bytes may be left unused at
* the end of the buffer if those bytes forms an incomplete
* frame. Before refilling, the remaining bytes must be moved
* to the beginning of the buffer and used for input for the
* next mad_frame_decode() invocation. (See the comments
* marked {2} earlier for more details.)
*
* Recoverable errors are caused by malformed bit-streams, in
* this case one can call again mad_frame_decode() in order to
* skip the faulty part and re-sync to the next frame.
*/
if(mad_frame_decode(Frame,Stream)) {
if(MAD_RECOVERABLE(Stream->error)) {
/* Do not print a message if the error is a loss of
* synchronization and this loss is due to the end of
* stream guard bytes. (See the comments marked {3}
* supra for more informations about guard bytes.)
*/
if(Stream->error!=MAD_ERROR_LOSTSYNC ||
Stream->this_frame!=GuardPtr) {
}
continue;
}
else
if(Stream->error==MAD_ERROR_BUFLEN)
continue; // end of buffer reached --> read more from the file
else {
fprintf(stderr,
"madaudiofile: unrecoverable frame level error (%i).\n",
Stream->error);
break;
}
}
if(frame_count == 0) {
samplerate = Frame->header.samplerate;
#ifdef MADAUDIO_PRINT_DEBUG
printf("Initially setting samplerate to %i\n",samplerate);
#endif
}
#ifdef MADAUDIO_PRINT_DEBUG
if(Frame->header.samplerate != samplerate)
printf("Obs: samplerate changed to %i!\n",Frame->header.samplerate);
#endif
/* Accounting. The computed frame duration is in the frame
* header structure. It is expressed as a fixed point number
* whole data type is mad_timer_t. It is different from the
* samples fixed point format and unlike it, it can't directly
* be added or subtracted. The timer module provides several
* functions to operate on such numbers. Be careful there, as
* some functions of libmad's timer module receive some of
* their mad_timer_t arguments by value!
*/
frame_count++;
mad_timer_add(Timer,Frame->header.duration);
/* Once decoded the frame is synthesized to PCM samples. No errors
* are reported by mad_synth_frame();
*/
mad_synth_frame(Synth,Frame);
/* Synthesized samples must be converted from libmad's fixed
* point number to the consumer format. Here we use unsigned
* 16 bit big endian integers on two channels. Integer samples
* are temporarily stored in a buffer that is flushed when
* full.
*/
int unsigned sr = 0;
for(int i=0;i<Synth->pcm.length;i++) {
signed short Sample;
u_int8_t left[2];
u_int8_t right[2];
/* Left channel */
Sample=MadFixedToSshort(Synth->pcm.samples[0][i]);
left[0]=Sample>>8;
left[1]=Sample&0xff;
/* Right channel. If the decoded stream is monophonic then
* the right output channel is the same as the left one.
*/
if(MAD_NCHANNELS(&Frame->header)==2)
Sample=MadFixedToSshort(Synth->pcm.samples[1][i]);
right[0]=Sample>>8;
right[1]=Sample&0xff;
while(sr < samplerate) {
/* Left channel */
*(OutputPtr++)=left[1];
*(OutputPtr++)=left[0];
/* Right channel. If the decoded stream is monophonic then
* the right output channel is the same as the left one.
*/
*(OutputPtr++)=right[1];
*(OutputPtr++)=right[0];
sr += Synth->pcm.samplerate;
}
sr -= samplerate;
}
if (OutputPtr>=OutputBufferEnd+OUTPUT_BUFFER_SAFETY) {
char cstr[200];
sprintf(cstr,"getNextAudioFrame() writing outside of OutputBuffer:"
" %p >= %p VERY BAD!!!\n", OutputPtr,
OutputBufferEnd+OUTPUT_BUFFER_SAFETY);
throw(string(cstr));
}
} // while(OutputPtr < OutputBufferEnd)
outputLength = OutputPtr-OutputBuffer;
outputPosition = 0;
if (outputLength == 0)
reachedEOF = true;
// If we have breaked out of the loop, but it wasn't because of EOF,
// return false.
if (OutputPtr < OutputBufferEnd && !reachedEOF)
return false;
return true;
#else
cerr << "libmad not available" << endl;
return false;
#endif // HAVE_MAD_H
}
static OMX_ERRORTYPE
decode_buffer (const void * ap_obj)
{
mp3d_prc_t * p_obj = (mp3d_prc_t *) ap_obj;
unsigned char * p_guardzone = NULL;
int status = 0;
assert (p_obj->p_outhdr_);
/* Check if there is any remaining PCM data from a previous run of the
* decoding loop that needs to be synthesised */
if ((0 != p_obj->next_synth_sample_
&& p_obj->next_synth_sample_ < p_obj->synth_.pcm.length)
&& (p_obj->p_outhdr_->nFilledLen < p_obj->p_outhdr_->nAllocLen))
{
p_obj->next_synth_sample_
= synthesize_samples (p_obj, p_obj->next_synth_sample_);
}
while (p_obj->p_outhdr_)
{
/* The input bucket must be filled if it becomes empty or if
* it's the first execution of the loop.
*/
if ((NULL == p_obj->stream_.buffer
|| MAD_ERROR_BUFLEN == p_obj->stream_.error)
&& p_obj->p_inhdr_ != NULL)
{
size_t read_size = 0;
unsigned char * p_read_start = NULL;
p_obj->remaining_ = 0;
if (p_obj->stream_.next_frame != NULL)
{
p_obj->remaining_
= p_obj->stream_.bufend - p_obj->stream_.next_frame;
memmove (p_obj->in_buff_, p_obj->stream_.next_frame,
p_obj->remaining_);
p_read_start = p_obj->in_buff_ + p_obj->remaining_;
read_size = INPUT_BUFFER_SIZE - p_obj->remaining_;
}
else
{
read_size = INPUT_BUFFER_SIZE;
p_read_start = p_obj->in_buff_;
p_obj->remaining_ = 0;
}
/* Fill-in the buffer. If an error occurs print a message
* and leave the decoding loop. If the end of stream is
* reached we also leave the loop but the return status is
* left untouched.
*/
read_size = read_from_omx_buffer (p_obj, p_read_start, read_size,
p_obj->p_inhdr_);
if (read_size == 0)
{
if ((p_obj->p_inhdr_->nFlags & OMX_BUFFERFLAG_EOS) != 0)
{
TIZ_TRACE (handleOf (p_obj), "end of input stream");
status = 2;
}
else
{
TIZ_TRACE (handleOf (p_obj), "read_size <= 0");
status = 1;
}
break;
}
/* TODO */
/* if(BstdFileEofP (BstdFile)) */
/* { */
/* p_guardzone = p_read_start + read_size; */
/* memset (p_guardzone, 0, MAD_BUFFER_GUARD); */
/* read_size += MAD_BUFFER_GUARD; */
/* } */
/* Pipe the new buffer content to libmad's stream decoder
* facility.
*/
mad_stream_buffer (&p_obj->stream_, p_obj->in_buff_,
read_size + p_obj->remaining_);
p_obj->stream_.error = 0;
}
if (mad_frame_decode (&p_obj->frame_, &p_obj->stream_) == -1)
{
if (MAD_RECOVERABLE (p_obj->stream_.error))
{
if (p_obj->stream_.error != MAD_ERROR_LOSTSYNC
|| p_obj->stream_.this_frame != p_guardzone)
{
TIZ_TRACE (handleOf (p_obj),
"recoverable frame level error (%s)",
mad_stream_errorstr (&p_obj->stream_));
}
continue;
}
else
{
if (p_obj->stream_.error == MAD_ERROR_BUFLEN)
{
if (!p_obj->p_inhdr_)
{
TIZ_TRACE (handleOf (p_obj),
"p_obj->stream_.error==MAD_ERROR_BUFLEN "
"p_obj->p_inhdr_=[NULL]");
break;
}
else
{
TIZ_TRACE (handleOf (p_obj),
"p_obj->stream_.error==MAD_ERROR_BUFLEN "
"p_obj->p_inhdr_=[%p] nFilledLen [%d]",
p_obj->p_inhdr_, p_obj->p_inhdr_->nFilledLen);
continue;
}
}
else
{
TIZ_TRACE (handleOf (p_obj),
"unrecoverable frame level error (%s).",
mad_stream_errorstr (&p_obj->stream_));
status = 2;
break;
}
}
}
/* The characteristics of the stream's first frame is printed The first
* frame is representative of the entire stream.
*/
if (0 == p_obj->frame_count_)
{
store_stream_metadata (p_obj, &(p_obj->frame_.header));
}
p_obj->frame_count_++;
mad_timer_add (&p_obj->timer_, p_obj->frame_.header.duration);
/* Once decoded the frame is synthesized to PCM samples. No errors
* are reported by mad_synth_frame();
*/
mad_synth_frame (&p_obj->synth_, &p_obj->frame_);
p_obj->next_synth_sample_
= synthesize_samples (p_obj, p_obj->next_synth_sample_);
}
(void) status;
/* TODO */
/* if (p_obj->p_outhdr_ != NULL */
/* && p_obj->p_outhdr_->nFilledLen != 0 */
/* && status == 2) */
/* { */
/* const tiz_srv_t *p_parent = ap_obj; */
/* void *p_krn = tiz_get_krn (p_parent->p_hdl_); */
/* p_obj->eos_ = true; */
/* p_obj->p_outhdr_->nFlags |= OMX_BUFFERFLAG_EOS; */
/* TIZ_LOG (TIZ_PRIORITY_TRACE, handleOf (p_obj), */
/* "Releasing output buffer [%p] ..." */
/* "nFilledLen = [%d] OMX_BUFFERFLAG_EOS", */
/* p_obj->p_outhdr_, p_obj->p_outhdr_->nFilledLen); */
/* tiz_krn_release_buffer (tiz_get_krn (handleOf (ap_obj)), 1,
* p_obj->p_outhdr_); */
/* /\* p_obj->p_outhdr_ = NULL; *\/ */
/* } */
return OMX_ErrorNone;
}
