void print_header_compact(mpg123_handle *mh)
{
struct mpg123_frameinfo i;
mpg123_info(mh, &i);
if(i.mode > 4 || i.mode < 0) i.mode = 4;
if(i.version > 3 || i.version < 0) i.version = 3;
if(i.layer > 3 || i.layer < 0) i.layer = 0;
fprintf(stderr,"MPEG %s layer %s, ", versions[i.version], layers[i.layer]);
switch(i.vbr)
{
case MPG123_CBR:
if(i.bitrate) fprintf(stderr, "%d kbit/s", i.bitrate);
else fprintf(stderr, "%d kbit/s (free format)", (int)((double)i.framesize*8*i.rate*0.001/samples_pre_frame[i.version][i.layer]+0.5));
break;
case MPG123_VBR:
fprintf(stderr, "VBR");
break;
case MPG123_ABR:
fprintf(stderr, "%d kbit/s ABR", i.abr_rate);
break;
default:
fprintf(stderr, "???");
}
fprintf(stderr,", %ld Hz %s\n", i.rate, smodes[i.mode]);
}
void print_header(mpg123_handle *mh)
{
struct mpg123_frameinfo i;
mpg123_info(mh, &i);
if(i.mode > 4 || i.mode < 0) i.mode = 4;
if(i.version > 3 || i.version < 0) i.version = 3;
if(i.layer > 3 || i.layer < 0) i.layer = 0;
fprintf(stderr,"MPEG %s, Layer: %s, Freq: %ld, mode: %s, modext: %d, BPF : %d\n",
versions[i.version],
layers[i.layer], i.rate,
modes[i.mode],i.mode_ext,i.framesize);
fprintf(stderr,"Channels: %d, copyright: %s, original: %s, CRC: %s, emphasis: %d.\n",
i.mode == MPG123_M_MONO ? 1 : 2,i.flags & MPG123_COPYRIGHT ? "Yes" : "No",
i.flags & MPG123_ORIGINAL ? "Yes" : "No", i.flags & MPG123_CRC ? "Yes" : "No",
i.emphasis);
fprintf(stderr,"Bitrate: ");
switch(i.vbr)
{
case MPG123_CBR: fprintf(stderr, "%d kbit/s", i.bitrate); break;
case MPG123_VBR: fprintf(stderr, "VBR"); break;
case MPG123_ABR: fprintf(stderr, "%d kbit/s ABR", i.abr_rate); break;
default: fprintf(stderr, "???");
}
fprintf(stderr, " Extension value: %d\n", i.flags & MPG123_PRIVATE ? 1 : 0);
}
void MP3Update2( long BUF_SIZE )
{
double cSec;
mpg123_position(musicfile,0,0,0,0,&cSec,0);
if ( Type == 2 && !knownSize )
{
currBytes += BUF_SIZE;
pltime = currBytes / (rate*chn*2);
}
else
pltime = cSec;
SongPos = pltime;
mpg123_info(musicfile,&frameinfo);
getBR = QString::number( frameinfo.bitrate ) + "kbps";
if ( pltime != tmpPltime && Type == 2 && !knownSize )
{
TMPint++;
tmpPltime = pltime;
}
if ( Type == 2 && TMPint == 10 && !knownSize )
{
TMPint = 0;
if ( !titleThr.isRunning() )
titleThr.start();
}
}
/* Update mean bitrate. This could be dropped if accurate time display
* on audio file playback is not desired. */
static void update_info(struct dec_audio *da)
{
struct ad_mpg123_context *con = da->priv;
struct mpg123_frameinfo finfo;
if (mpg123_info(con->handle, &finfo) != MPG123_OK)
return;
/* finfo.bitrate is expressed in kilobits */
const int bitrate = finfo.bitrate * 1000;
if (finfo.vbr != MPG123_CBR) {
if (--con->delay < 1) {
if (++con->mean_count > ((unsigned int) -1) / 2)
con->mean_count = ((unsigned int) -1) / 4;
/* Might not be numerically optimal, but works fine enough. */
con->mean_rate = ((con->mean_count - 1) * con->mean_rate +
bitrate) / con->mean_count;
da->bitrate = (int) (con->mean_rate + 0.5);
con->delay = 10;
}
} else {
da->bitrate = bitrate ? bitrate : compute_bitrate(&finfo);
con->delay = 1;
con->mean_rate = 0.;
con->mean_count = 0;
}
}
qint64 DecoderMPG123::read(unsigned char *data, qint64 size)
{
size_t done = 0;
int err = mpg123_read(m_handle, data, size, &done);
if(err != MPG123_DONE && err != MPG123_OK)
{
qWarning("DecoderMPG123: decoder error: %s", mpg123_plain_strerror(err));
return -1;
}
mpg123_info(m_handle, &m_frame_info);
return done;
}
static bool is_mp3(FILE *fp, struct file_type **ft)
{
mpg123_init();
int err;
mpg123_handle *mh = mpg123_new(NULL, &err);
if (mh == NULL)
{
fprintf(stderr, "Could not create mpg123 handle: %s\n", mpg123_plain_strerror(err));
return false;
}
long pos = ftell(fp);
if (mpg123_open_fd(mh, fileno(fp)) != MPG123_OK)
{
fseek(fp, pos, SEEK_SET);
return false;
}
mpg123_scan(mh);
struct mpg123_frameinfo fi;
mpg123_info(mh, &fi);
if (mpg123_format(mh, fi.rate, MPG123_STEREO, MPG123_ENC_SIGNED_16) != MPG123_OK)
{
fseek(fp, pos, SEEK_SET);
return false;
}
off_t length = mpg123_length(mh);
struct mp3_format *fmt = calloc(sizeof(*fmt), 1);
*ft = &fmt->ft;
fmt->mh = mh;
fmt->tpf = mpg123_tpf(mh);
fmt->ft.channels = 2;
fmt->ft.position = 0;
fmt->ft.length = (length + (fi.rate / 2)) / fi.rate;
fmt->ft.sample_rate = fi.rate;
fmt->ft.sample_size = 2;
fmt->ft.sample_type = ST_SIGNED_INTEGER_LE;
fmt->ft.bitrate = (double)fi.abr_rate;
return true;
}
static int UpdateAudioFormat( decoder_t *p_dec )
{
int i_err;
decoder_sys_t *p_sys = p_dec->p_sys;
struct mpg123_frameinfo frame_info;
/* Get details about the stream */
i_err = mpg123_info( p_sys->p_handle, &frame_info );
if( i_err != MPG123_OK )
{
msg_Err( p_dec, "mpg123_info failed: %s",
mpg123_plain_strerror( i_err ) );
return VLC_EGENERIC;
}
p_dec->fmt_out.i_bitrate = frame_info.bitrate * 1000;
switch( frame_info.mode )
{
case MPG123_M_DUAL:
p_dec->fmt_out.audio.i_chan_mode = AOUT_CHANMODE_DUALMONO;
/* fall through */
case MPG123_M_STEREO:
case MPG123_M_JOINT:
p_dec->fmt_out.audio.i_physical_channels =
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
break;
case MPG123_M_MONO:
p_dec->fmt_out.audio.i_physical_channels = AOUT_CHAN_CENTER;
break;
default:
return VLC_EGENERIC;
}
aout_FormatPrepare( &p_dec->fmt_out.audio );
/* Date management */
if( p_dec->fmt_out.audio.i_rate != frame_info.rate )
{
p_dec->fmt_out.audio.i_rate = frame_info.rate;
date_Init( &p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1 );
date_Set( &p_sys->end_date, 0 );
}
return decoder_UpdateAudioFormat( p_dec );
}
void print_header_compact(mpg123_handle *mh)
{
struct mpg123_frameinfo i;
mpg123_info(mh, &i);
if(i.mode > 4 || i.mode < 0) i.mode = 4;
if(i.version > 3 || i.version < 0) i.version = 3;
if(i.layer > 3 || i.layer < 0) i.layer = 0;
fprintf(stderr,"MPEG %s layer %s, ", versions[i.version], layers[i.layer]);
switch(i.vbr)
{
case MPG123_CBR: fprintf(stderr, "%d kbit/s", i.bitrate); break;
case MPG123_VBR: fprintf(stderr, "VBR"); break;
case MPG123_ABR: fprintf(stderr, "%d kbit/s ABR", i.abr_rate); break;
default: fprintf(stderr, "???");
}
fprintf(stderr,", %ld Hz %s\n", i.rate, smodes[i.mode]);
}
/* ----------- Global Functions ---------------------------------- */
int mpeg_isvalid(char *path)
{
int rv = 0;
int fd = 0;
struct mpg123_frameinfo finfo;
fd = mpeg_open(path);
if(fd != -1)
{
if(handle && (mpg123_info(handle->mh, &finfo) == MPG123_OK))
{
rv = 1;
}
mpeg_close(fd);
}
return rv;
}
void new_format(struct playerHandles *ph){
long ratel;
int channels, enc,enc_bit=2;
unsigned int rate;
int guess=0;
char tail[OUTPUT_TAIL_SIZE];
struct mpg123_frameinfo fi;
mpg123_getformat(h.m, &ratel, &channels, &enc);
if(enc&MPG123_ENC_8)
enc=1;
else if(enc&MPG123_ENC_16)
enc=2;
else if(enc&MPG123_ENC_24)
enc=3;
else if(enc&(MPG123_ENC_32|MPG123_ENC_FLOAT_32))
enc=4;
else if(enc&MPG123_ENC_FLOAT_64)
enc=8;
else
enc=0;
rate=(unsigned int)ratel;
mpg123_info(h.m,&fi);
enc_bit=enc*8;
snprintf(tail,OUTPUT_TAIL_SIZE,"New format: %dHz %dch %dbit %dkbps %s",(int)ratel, channels, enc_bit,fi.vbr==MPG123_ABR?fi.abr_rate:fi.bitrate,fi.vbr!=MPG123_CBR?"VBR":"");
if(!rate)
guess=ratel=rate=44100;
if(!channels)
guess=channels=2;
if(!enc)
guess=enc=16;
if(guess)
snprintf(tail,OUTPUT_TAIL_SIZE,"Guessing: %dHz %dch %dbit",(int)ratel, channels, enc_bit);
addStatusTail(tail,ph->outdetail);
snd_param_init(ph,&enc_bit,&channels,&rate);
ph->dec_rate=ratel;
ph->dec_enc=enc_bit;
ph->dec_chan=channels;
h.framesize=enc*channels;
h.samptime=ratel*h.framesize;
}
void print_remote_header(mpg123_handle *mh)
{
struct mpg123_frameinfo i;
mpg123_info(mh, &i);
if(i.mode >= 4 || i.mode < 0) i.mode = 4;
if(i.version >= 3 || i.version < 0) i.version = 3;
generic_sendmsg("S %s %d %ld %s %d %d %d %d %d %d %d %d %d",
versions[i.version],
i.layer,
i.rate,
modes[i.mode],
i.mode_ext,
i.framesize,
i.mode == MPG123_M_MONO ? 1 : 2,
i.flags & MPG123_COPYRIGHT ? 1 : 0,
i.flags & MPG123_CRC ? 1 : 0,
i.emphasis,
i.bitrate,
i.flags & MPG123_PRIVATE ? 1 : 0,
i.vbr);
}
VGMSTREAM * init_vgmstream_sqex_scd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset, meta_offset_offset, meta_offset, post_meta_offset;
int32_t loop_start, loop_end;
int loop_flag = 0;
int channel_count;
int codec_id;
int aux_chunk_count;
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("scd",filename_extension(filename))) goto fail;
/* SEDB */
if (read_32bitBE(0,streamFile) != 0x53454442) goto fail;
/* SSCF */
if (read_32bitBE(4,streamFile) != 0x53534346) goto fail;
if (read_32bitBE(8,streamFile) == 2 ||
read_32bitBE(8,streamFile) == 3) {
/* version 2 BE, as seen in FFXIII demo for PS3 */
/* version 3 BE, as seen in FFXIII for PS3 */
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
//size_offset = 0x14;
meta_offset_offset = 0x40 + read_16bit(0xe,streamFile);
} else if (read_32bitLE(8,streamFile) == 3 ||
read_32bitLE(8,streamFile) == 2) {
/* version 2/3 LE, as seen in FFXIV for ?? */
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
//size_offset = 0x10;
meta_offset_offset = 0x40 + read_16bit(0xe,streamFile);
} else goto fail;
/* never mind, FFXIII music_68tak.ps3.scd is 0x80 shorter */
#if 0
/* check file size with header value */
if (read_32bit(size_offset,streamFile) != get_streamfile_size(streamFile))
goto fail;
#endif
meta_offset = read_32bit(meta_offset_offset,streamFile);
/* check that chunk size equals stream size (?) */
loop_start = read_32bit(meta_offset+0x10,streamFile);
loop_end = read_32bit(meta_offset+0x14,streamFile);
loop_flag = (loop_end > 0);
channel_count = read_32bit(meta_offset+4,streamFile);
codec_id = read_32bit(meta_offset+0xc,streamFile);
post_meta_offset = meta_offset + 0x20;
/* data at meta_offset is only 0x20 bytes, but there may be auxiliary chunks
before anything else */
aux_chunk_count = read_32bit(meta_offset+0x1c,streamFile);
for (; aux_chunk_count > 0; aux_chunk_count --)
{
/* skip aux chunks */
/*printf("skipping %08x\n", read_32bitBE(post_meta_offset, streamFile));*/
post_meta_offset += read_32bit(post_meta_offset+4,streamFile);
}
start_offset = post_meta_offset + read_32bit(meta_offset+0x18,streamFile);
#ifdef VGM_USE_VORBIS
if (codec_id == 0x6)
{
vgm_vorbis_info_t inf;
uint32_t seek_table_size = read_32bit(post_meta_offset+0x10, streamFile);
uint32_t vorb_header_size = read_32bit(post_meta_offset+0x14, streamFile);
VGMSTREAM * result = NULL;
memset(&inf, 0, sizeof(inf));
inf.loop_start = loop_start;
inf.loop_end = loop_end;
inf.loop_flag = loop_flag;
inf.loop_end_found = loop_flag;
inf.loop_length_found = 0;
inf.layout_type = layout_ogg_vorbis;
inf.meta_type = meta_SQEX_SCD;
result = init_vgmstream_ogg_vorbis_callbacks(streamFile, filename, NULL, start_offset, &inf);
if (result != NULL) {
return result;
}
// try skipping seek table
{
if ((post_meta_offset-meta_offset) + seek_table_size + vorb_header_size != read_32bit(meta_offset+0x18, streamFile)) {
return NULL;
}
start_offset = post_meta_offset + 0x20 + seek_table_size;
result = init_vgmstream_ogg_vorbis_callbacks(streamFile, filename, NULL, start_offset, &inf);
if (result != NULL) {
return result;
}
}
// failed with Ogg, try deobfuscating header
{
// skip chunks before xor_byte
unsigned char xor_byte;
xor_byte = read_8bit(post_meta_offset+2, streamFile);
if (xor_byte == 0) {
return NULL;
}
inf.scd_xor = xor_byte;
inf.scd_xor_len = vorb_header_size;
result = init_vgmstream_ogg_vorbis_callbacks(streamFile, filename, NULL, start_offset, &inf);
return result;
}
}
#endif
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bit(meta_offset+8,streamFile);
switch (codec_id) {
case 0x1:
/* PCM */
vgmstream->coding_type = coding_PCM16LE_int;
vgmstream->layout_type = layout_none;
vgmstream->num_samples = read_32bit(meta_offset+0,streamFile) / 2 / channel_count;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start / 2 / channel_count;
vgmstream->loop_end_sample = loop_end / 2 / channel_count;
}
break;
#ifdef VGM_USE_MPEG
case 0x7:
/* MPEG */
{
mpeg_codec_data *mpeg_data = NULL;
struct mpg123_frameinfo mi;
coding_t ct;
if (vgmstream->sample_rate == 47999)
vgmstream->sample_rate = 48000;
if (vgmstream->sample_rate == 44099)
vgmstream->sample_rate = 44100;
mpeg_data = init_mpeg_codec_data(streamFile, start_offset, vgmstream->sample_rate, vgmstream->channels, &ct, NULL, NULL);
if (!mpeg_data) goto fail;
vgmstream->codec_data = mpeg_data;
if (MPG123_OK != mpg123_info(mpeg_data->m, &mi)) goto fail;
vgmstream->coding_type = ct;
vgmstream->layout_type = layout_mpeg;
if (mi.vbr != MPG123_CBR) goto fail;
vgmstream->num_samples = mpeg_bytes_to_samples(read_32bit(meta_offset+0,streamFile), &mi);
vgmstream->num_samples -= vgmstream->num_samples%576;
if (loop_flag) {
vgmstream->loop_start_sample = mpeg_bytes_to_samples(loop_start, &mi);
vgmstream->loop_start_sample -= vgmstream->loop_start_sample%576;
vgmstream->loop_end_sample = mpeg_bytes_to_samples(loop_end, &mi);
vgmstream->loop_end_sample -= vgmstream->loop_end_sample%576;
}
vgmstream->interleave_block_size = 0;
}
break;
#endif
case 0xC:
/* MS ADPCM */
vgmstream->coding_type = coding_MSADPCM;
vgmstream->layout_type = layout_none;
vgmstream->interleave_block_size = read_16bit(post_meta_offset+0xc,streamFile);
vgmstream->num_samples = msadpcm_bytes_to_samples(read_32bit(meta_offset+0,streamFile), vgmstream->interleave_block_size, vgmstream->channels);
if (loop_flag) {
vgmstream->loop_start_sample = msadpcm_bytes_to_samples(loop_start, vgmstream->interleave_block_size, vgmstream->channels);
vgmstream->loop_end_sample = msadpcm_bytes_to_samples(loop_end, vgmstream->interleave_block_size, vgmstream->channels);
}
break;
case 0xA:
/* GC/Wii DSP ADPCM */
{
STREAMFILE * file;
int i;
const off_t interleave_size = 0x800;
const off_t stride_size = interleave_size * channel_count;
size_t total_size;
scd_int_codec_data * data = NULL;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_scd_int;
/* a normal DSP header... */
vgmstream->num_samples = read_32bitBE(start_offset+0,streamFile);
total_size = (read_32bitBE(start_offset+4,streamFile)+1)/2;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end+1;
}
/* verify other channel headers */
for (i = 1; i < channel_count; i++) {
if (read_32bitBE(start_offset+interleave_size*i+0,streamFile) != vgmstream->num_samples ||
(read_32bitBE(start_offset+4,streamFile)+1)/2 != total_size) {
goto fail;
}
}
/* the primary streamfile we'll be using */
file = streamFile->open(streamFile,filename,stride_size);
if (!file)
goto fail;
vgmstream->ch[0].streamfile = file;
data = malloc(sizeof(scd_int_codec_data));
data->substream_count = channel_count;
data->substreams = calloc(channel_count, sizeof(VGMSTREAM *));
data->intfiles = calloc(channel_count, sizeof(STREAMFILE *));
vgmstream->codec_data = data;
for (i=0;i<channel_count;i++) {
STREAMFILE * intfile =
open_scdint_with_STREAMFILE(file, "ARBITRARY.DSP", start_offset+interleave_size*i, interleave_size, stride_size, total_size);
data->substreams[i] = init_vgmstream_ngc_dsp_std(intfile);
data->intfiles[i] = intfile;
if (!data->substreams[i])
goto fail;
/* TODO: only handles mono substreams, though that's all we have with DSP */
/* save start things so we can restart for seeking/looping */
/* copy the channels */
memcpy(data->substreams[i]->start_ch,data->substreams[i]->ch,sizeof(VGMSTREAMCHANNEL)*1);
/* copy the whole VGMSTREAM */
memcpy(data->substreams[i]->start_vgmstream,data->substreams[i],sizeof(VGMSTREAM));
}
}
break;
#ifdef VGM_USE_FFMPEG
case 0xB:
/* XMA1/XMA2 */
{
uint16_t codec_id = read_16bit(post_meta_offset, streamFile);
if (codec_id == 0x165 || codec_id == 0x166)
{
ffmpeg_codec_data *ffmpeg_data = init_ffmpeg_faux_riff(streamFile, post_meta_offset, start_offset, streamFile->get_size(streamFile) - start_offset, read_32bit == read_32bitBE);
if (!ffmpeg_data) goto fail;
vgmstream->codec_data = ffmpeg_data;
vgmstream->coding_type = coding_FFmpeg;
vgmstream->layout_type = layout_none;
vgmstream->num_samples = ffmpeg_data->totalSamples;
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end;
}
}
else goto fail;
}
break;
#endif
default:
goto fail;
}
vgmstream->meta_type = meta_SQEX_SCD;
/* open the file for reading */
if (vgmstream->layout_type != layout_scd_int
#ifdef VGM_USE_FFMPEG
&& vgmstream->coding_type != coding_FFmpeg
#endif
)
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************/
static block_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
int i_err;
block_t *p_block = pp_block ? *pp_block : NULL;
decoder_sys_t *p_sys = p_dec->p_sys;
if( !pp_block || !p_block )
return NULL;
if( p_block->i_buffer == 0 )
return NULL;
if( !date_Get( &p_sys->end_date ) && p_block->i_pts <= VLC_TS_INVALID )
{
/* We've just started the stream, wait for the first PTS. */
msg_Dbg( p_dec, "waiting for PTS" );
goto error;
}
if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY | BLOCK_FLAG_CORRUPTED) )
{
date_Set( &p_sys->end_date, 0 );
if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
goto error;
}
/* Feed mpg123 with raw data */
i_err = mpg123_feed( p_sys->p_handle, p_block->p_buffer,
p_block->i_buffer );
if( i_err != MPG123_OK )
{
msg_Err( p_dec, "mpg123_feed failed: %s", mpg123_plain_strerror( i_err ) );
goto error;
}
/* Get details about the stream */
i_err = mpg123_info( p_sys->p_handle, &p_sys->frame_info );
if( i_err == MPG123_NEED_MORE )
{
/* Need moar data */
goto error;
}
else if( i_err != MPG123_OK )
{
msg_Err( p_dec, "mpg123_info failed: %s", mpg123_plain_strerror( i_err ) );
goto error;
}
/* Configure the output */
p_block->i_nb_samples = mpg123_spf( p_sys->p_handle );
p_dec->fmt_out.i_bitrate = p_sys->frame_info.bitrate * 1000;
switch( p_sys->frame_info.mode )
{
case MPG123_M_STEREO:
case MPG123_M_JOINT:
p_dec->fmt_out.audio.i_original_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT;
break;
case MPG123_M_DUAL:
p_dec->fmt_out.audio.i_original_channels = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_DUALMONO;
break;
case MPG123_M_MONO:
p_dec->fmt_out.audio.i_original_channels = AOUT_CHAN_CENTER;
break;
default:
msg_Err( p_dec, "Unknown mode");
goto error;
}
p_dec->fmt_out.audio.i_physical_channels =
p_dec->fmt_out.audio.i_original_channels & AOUT_CHAN_PHYSMASK;
/* Date management */
if( p_dec->fmt_out.audio.i_rate != p_sys->frame_info.rate )
{
p_dec->fmt_out.audio.i_rate = p_sys->frame_info.rate;
date_Init( &p_sys->end_date, p_dec->fmt_out.audio.i_rate, 1 );
date_Set( &p_sys->end_date, 0 );
}
if( p_block->i_pts > VLC_TS_INVALID &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
/* Request a new audio buffer */
block_t *p_out = decoder_NewAudioBuffer( p_dec, p_block->i_nb_samples );
if( unlikely( !p_out ) )
goto error;
/* Configure the buffer */
p_out->i_nb_samples = p_block->i_nb_samples;
p_out->i_dts = p_out->i_pts = date_Get( &p_sys->end_date );
p_out->i_length = date_Increment( &p_sys->end_date, p_block->i_nb_samples )
- p_out->i_pts;
/* Make mpg123 write directly into the VLC output buffer */
i_err = mpg123_replace_buffer( p_sys->p_handle, p_out->p_buffer, p_out->i_buffer );
if( i_err != MPG123_OK )
{
msg_Err( p_dec, "could not replace buffer: %s", mpg123_plain_strerror( i_err ) );
block_Release( p_out );
goto error;
}
*pp_block = NULL; /* avoid being fed the same packet again */
/* Do the actual decoding now */
i_err = mpg123_decode_frame( p_sys->p_handle, NULL, NULL, NULL );
if( i_err != MPG123_OK )
{
if( i_err != MPG123_NEW_FORMAT )
msg_Err( p_dec, "mpg123_decode_frame error: %s", mpg123_plain_strerror( i_err ) );
block_Release( p_out );
goto error;
}
block_Release( p_block );
return p_out;
error:
block_Release( p_block );
return NULL;
}
/* MSF header */
VGMSTREAM * init_vgmstream_ps3_msf(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
off_t start_offset;
int32_t loop_start, loop_end;
int loop_flag = 0;
int channel_count;
int codec_id;
size_t fileLength;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("msf",filename_extension(filename))) goto fail;
if (read_8bit(0x0,streamFile) != 0x4D) goto fail; /* M */
if (read_8bit(0x1,streamFile) != 0x53) goto fail; /* S */
if (read_8bit(0x2,streamFile) != 0x46) goto fail; /* F */
fileLength = get_streamfile_size(streamFile);
loop_flag = (read_32bitBE(0x18,streamFile) != 0xFFFFFFFF);
if (loop_flag)
{
loop_start = read_32bitBE(0x18,streamFile);
loop_end = read_32bitBE(0x0C,streamFile);
}
channel_count = read_32bitBE(0x8,streamFile);
codec_id = read_32bitBE(0x4,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->channels = channel_count;
/* Sample rate hack for strange files that don't have a specified frequency */
if (read_32bitBE(0x10,streamFile)==0x00000000)
vgmstream->sample_rate = 48000;
else
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
start_offset = 0x40;
switch (codec_id) {
case 0x0: /* PCM (Big Endian) */
{
vgmstream->coding_type = coding_PCM16BE;
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)/2/channel_count;
if (loop_flag){
vgmstream->loop_start_sample = loop_start/2/channel_count;
vgmstream->loop_end_sample = loop_end/2/channel_count;
}
if (channel_count == 1)
{
vgmstream->layout_type = layout_none;
}
else if (channel_count > 1)
{
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 2;
}
}
break;
case 0x3: /* PSx ADPCM */
{
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = read_32bitBE(0x0C,streamFile)*28/16/channel_count;
if (vgmstream->num_samples == 0xFFFFFFFF)
{
vgmstream->num_samples = (fileLength - start_offset)*28/16/channel_count;
}
if (loop_flag)
{
vgmstream->loop_start_sample = loop_start*28/16/channel_count;
vgmstream->loop_end_sample = loop_end*28/16/channel_count;
}
if (channel_count == 1)
{
vgmstream->layout_type = layout_none;
}
else if (channel_count > 1)
{
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x10; // read_32bitBE(0x14,streamFile);
}
}
break;
#ifdef VGM_USE_MPEG
case 0x7: /* MPEG */
{
mpeg_codec_data *mpeg_data = NULL;
struct mpg123_frameinfo mi;
coding_t ct;
mpeg_data = init_mpeg_codec_data(streamFile, start_offset, vgmstream->sample_rate, vgmstream->channels, &ct, NULL, NULL);
if (!mpeg_data) goto fail;
vgmstream->codec_data = mpeg_data;
if (MPG123_OK != mpg123_info(mpeg_data->m, &mi)) goto fail;
vgmstream->coding_type = ct;
vgmstream->layout_type = layout_mpeg;
if (mi.vbr != MPG123_CBR) goto fail;
vgmstream->num_samples = mpeg_bytes_to_samples(read_32bitBE(0xC,streamFile), &mi);
vgmstream->num_samples -= vgmstream->num_samples%576;
if (loop_flag) {
vgmstream->loop_start_sample = mpeg_bytes_to_samples(loop_start, &mi);
vgmstream->loop_start_sample -= vgmstream->loop_start_sample%576;
vgmstream->loop_end_sample = mpeg_bytes_to_samples(loop_end, &mi);
vgmstream->loop_end_sample -= vgmstream->loop_end_sample%576;
}
vgmstream->interleave_block_size = 0;
}
break;
#endif
default:
goto fail;
}
vgmstream->meta_type = meta_PS3_MSF;
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+vgmstream->interleave_block_size*i;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
VGMSTREAM * init_vgmstream_genh(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
int32_t channel_count;
int32_t interleave;
int32_t sample_rate;
int32_t loop_start;
int32_t loop_end;
int32_t start_offset;
int32_t header_size;
int32_t coef[2];
int32_t dsp_interleave_type;
char filename[260];
int coding;
#ifdef VGM_USE_MPEG
mpeg_codec_data *data = NULL;
#endif
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("genh",filename_extension(filename))) goto fail;
/* check header magic */
if (read_32bitBE(0x0,streamFile) != 0x47454e48) goto fail;
/* check channel count (needed for ADP/DTK check) */
channel_count = read_32bitLE(0x4,streamFile);
if (channel_count < 1) goto fail;
/* check format */
/* 0 = PSX ADPCM */
/* 1 = XBOX IMA ADPCM */
/* 2 = NGC ADP/DTK ADPCM */
/* 3 = 16bit big endian PCM */
/* 4 = 16bit little endian PCM */
/* 5 = 8bit PCM */
/* 6 = SDX2 */
/* 7 = DVI IMA */
/* 8 = MPEG-1 Layer III, possibly also the MPEG-2 and 2.5 extensions */
/* 9 = IMA */
/* 10 = AICA ADPCM */
/* 11 = MS ADPCM */
/* 12 = NGC DSP */
/* 13 = 8bit unsingned PCM */
/* 14 = PSX ADPCM (bad flagged) */
/* ... others to come */
switch (read_32bitLE(0x18,streamFile)) {
case 0:
coding = coding_PSX;
break;
case 1:
coding = coding_XBOX;
break;
case 2:
coding = coding_NGC_DTK;
if (channel_count != 2) goto fail;
break;
case 3:
coding = coding_PCM16BE;
break;
case 4:
coding = coding_PCM16LE;
break;
case 5:
coding = coding_PCM8;
break;
case 6:
coding = coding_SDX2;
break;
case 7:
coding = coding_DVI_IMA;
break;
#ifdef VGM_USE_MPEG
case 8:
/* we say MPEG-1 L3 here, but later find out exactly which */
coding = coding_MPEG1_L3;
break;
#endif
case 9:
coding = coding_IMA;
break;
case 10:
coding = coding_AICA;
break;
case 11:
coding = coding_MSADPCM;
break;
case 12:
coding = coding_NGC_DSP;
break;
case 13:
coding = coding_PCM8_U_int;
break;
case 14:
coding = coding_PSX_badflags;
break;
default:
goto fail;
}
start_offset = read_32bitLE(0x1C,streamFile);
header_size = read_32bitLE(0x20,streamFile);
/* HACK to support old genh */
if (header_size == 0) {
start_offset = 0x800;
header_size = 0x800;
}
/* check for audio data start past header end */
if (header_size > start_offset) goto fail;
interleave = read_32bitLE(0x8,streamFile);
sample_rate = read_32bitLE(0xc,streamFile);
loop_start = read_32bitLE(0x10,streamFile);
loop_end = read_32bitLE(0x14,streamFile);
coef[0] = read_32bitLE(0x24,streamFile);
coef[1] = read_32bitLE(0x28,streamFile);
dsp_interleave_type = read_32bitLE(0x2C,streamFile);
//if (coding == coding_XBOX && channel_count != 2) goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,(loop_start!=-1));
if (!vgmstream) goto fail;
/* fill in the vital information */
vgmstream->channels = channel_count;
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = loop_end;
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end;
vgmstream->loop_flag = (loop_start != -1);
switch (coding) {
case coding_PCM8_U_int:
vgmstream->layout_type=layout_none;
break;
case coding_PCM16LE:
case coding_PCM16BE:
case coding_PCM8:
case coding_SDX2:
case coding_PSX:
case coding_PSX_badflags:
case coding_DVI_IMA:
case coding_IMA:
case coding_AICA:
vgmstream->interleave_block_size = interleave;
if (channel_count > 1)
{
if (coding == coding_SDX2) {
coding = coding_SDX2_int;
vgmstream->coding_type = coding_SDX2_int;
}
if(vgmstream->interleave_block_size==0xffffffff)
vgmstream->layout_type=layout_none;
else {
vgmstream->layout_type = layout_interleave;
if(coding==coding_DVI_IMA)
coding=coding_INT_DVI_IMA;
if(coding==coding_IMA)
coding=coding_INT_IMA;
}
} else {
vgmstream->layout_type = layout_none;
}
break;
case coding_MSADPCM:
if (channel_count != 2) goto fail;
vgmstream->interleave_block_size = interleave;
vgmstream->layout_type = layout_none;
break;
case coding_XBOX:
vgmstream->layout_type = layout_none;
break;
case coding_NGC_DTK:
vgmstream->layout_type = layout_dtk_interleave;
break;
case coding_NGC_DSP:
if (dsp_interleave_type == 0) {
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
} else if (dsp_interleave_type == 1) {
vgmstream->layout_type = layout_interleave_byte;
vgmstream->interleave_block_size = interleave;
} else if (dsp_interleave_type == 2) {
vgmstream->layout_type = layout_none;
}
break;
#ifdef VGM_USE_MPEG
case coding_MPEG1_L3:
vgmstream->layout_type = layout_mpeg;
break;
#endif
}
vgmstream->coding_type = coding;
vgmstream->meta_type = meta_GENH;
/* open the file for reading by each channel */
{
int i;
int j;
STREAMFILE * chstreamfile = NULL;
for (i=0;i<channel_count;i++) {
off_t chstart_offset = start_offset;
switch (coding) {
case coding_PSX:
case coding_PSX_badflags:
case coding_PCM16BE:
case coding_PCM16LE:
case coding_SDX2:
case coding_SDX2_int:
case coding_DVI_IMA:
case coding_IMA:
case coding_PCM8:
case coding_PCM8_U_int:
case coding_AICA:
case coding_INT_DVI_IMA:
case coding_INT_IMA:
if (vgmstream->layout_type == layout_interleave) {
if (interleave >= 512) {
chstreamfile =
streamFile->open(streamFile,filename,interleave);
} else {
if (!chstreamfile)
chstreamfile =
streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
}
chstart_offset =
start_offset+vgmstream->interleave_block_size*i;
} else {
chstreamfile =
streamFile->open(streamFile,filename,
STREAMFILE_DEFAULT_BUFFER_SIZE);
}
break;
case coding_XBOX:
case coding_MSADPCM:
/* xbox's "interleave" is a lie, all channels start at same
* offset */
chstreamfile =
streamFile->open(streamFile,filename,
STREAMFILE_DEFAULT_BUFFER_SIZE);
break;
case coding_NGC_DTK:
if (!chstreamfile)
chstreamfile =
streamFile->open(streamFile,filename,32*0x400);
break;
case coding_NGC_DSP:
if (!chstreamfile)
chstreamfile =
streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
for (j=0;j<16;j++)
vgmstream->ch[i].adpcm_coef[j] = read_16bitBE(coef[i]+j*2,streamFile);
chstart_offset =start_offset+vgmstream->interleave_block_size*i;
break;
#ifdef VGM_USE_MPEG
case coding_MPEG1_L3:
if (!chstreamfile)
chstreamfile =
streamFile->open(streamFile,filename,MPEG_BUFFER_SIZE);
break;
#endif
}
if (!chstreamfile) goto fail;
vgmstream->ch[i].streamfile = chstreamfile;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=chstart_offset;
}
}
#ifdef VGM_USE_MPEG
if (coding == coding_MPEG1_L3) {
int rc;
off_t read_offset;
data = calloc(1,sizeof(mpeg_codec_data));
if (!data) goto mpeg_fail;
data->m = mpg123_new(NULL,&rc);
if (rc==MPG123_NOT_INITIALIZED) {
if (mpg123_init()!=MPG123_OK) goto mpeg_fail;
data->m = mpg123_new(NULL,&rc);
if (rc!=MPG123_OK) goto mpeg_fail;
} else if (rc!=MPG123_OK) {
goto mpeg_fail;
}
mpg123_param(data->m,MPG123_REMOVE_FLAGS,MPG123_GAPLESS,0.0);
if (mpg123_open_feed(data->m)!=MPG123_OK) {
goto mpeg_fail;
}
/* check format */
read_offset=0;
do {
size_t bytes_done;
if (read_streamfile(data->buffer, start_offset+read_offset,
MPEG_BUFFER_SIZE,vgmstream->ch[0].streamfile) !=
MPEG_BUFFER_SIZE) goto mpeg_fail;
read_offset+=1;
rc = mpg123_decode(data->m,data->buffer,MPEG_BUFFER_SIZE,
NULL,0,&bytes_done);
if (rc != MPG123_OK && rc != MPG123_NEW_FORMAT &&
rc != MPG123_NEED_MORE) goto mpeg_fail;
} while (rc != MPG123_NEW_FORMAT);
{
long rate;
int channels,encoding;
struct mpg123_frameinfo mi;
rc = mpg123_getformat(data->m,&rate,&channels,&encoding);
if (rc != MPG123_OK) goto mpeg_fail;
if (rate != vgmstream->sample_rate ||
channels != vgmstream->channels ||
encoding != MPG123_ENC_SIGNED_16) goto mpeg_fail;
mpg123_info(data->m,&mi);
if (mi.rate != vgmstream->sample_rate) goto mpeg_fail;
if (mi.version == MPG123_1_0 && mi.layer == 1)
vgmstream->coding_type = coding_MPEG1_L1;
else if (mi.version == MPG123_1_0 && mi.layer == 2)
vgmstream->coding_type = coding_MPEG1_L2;
else if (mi.version == MPG123_1_0 && mi.layer == 3)
vgmstream->coding_type = coding_MPEG1_L3;
else if (mi.version == MPG123_2_0 && mi.layer == 1)
vgmstream->coding_type = coding_MPEG2_L1;
else if (mi.version == MPG123_2_0 && mi.layer == 2)
vgmstream->coding_type = coding_MPEG2_L2;
else if (mi.version == MPG123_2_0 && mi.layer == 3)
vgmstream->coding_type = coding_MPEG2_L3;
else if (mi.version == MPG123_2_5 && mi.layer == 1)
vgmstream->coding_type = coding_MPEG25_L1;
else if (mi.version == MPG123_2_5 && mi.layer == 2)
vgmstream->coding_type = coding_MPEG25_L2;
else if (mi.version == MPG123_2_5 && mi.layer == 3)
vgmstream->coding_type = coding_MPEG25_L3;
else goto mpeg_fail;
}
/* reinit, to ignore the reading we've done so far */
mpg123_open_feed(data->m);
vgmstream->codec_data = data;
}
#endif
return vgmstream;
/* clean up anything we may have opened */
#ifdef VGM_USE_MPEG
mpeg_fail:
if (data) {
mpg123_delete(data->m);
free(data);
}
#endif
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
/* Open an MPEG stream and prepare for decode */
static int libmpg123_init(const char *fn) {
int err;
uint32 fd;
/* Open the file */
#ifdef BS_SIZE
mp3_fd = fd = fs_open(fn, O_RDONLY);
#else
fd = fs_open(fn, O_RDONLY);
#endif
if (fd < 0) {
printf("Can't open input file %s\r\n", fn);
printf("getwd() returns '%s'\r\n", fs_getwd());
return -1;
}
#ifndef BS_SIZE
fs_close(fd);
#endif
if (fn != mp3_last_fn) {
if (fn[0] != '/') {
strcpy(mp3_last_fn, fs_getwd());
strcat(mp3_last_fn, "/");
strcat(mp3_last_fn, fn);
} else {
strcpy(mp3_last_fn, fn);
}
}
/* Allocate buffers */
if (pcm_buffer == NULL)
pcm_buffer = malloc(PCM_SIZE);
pcm_ptr = pcm_buffer; pcm_count = pcm_discard = 0;
#ifdef BS_SIZE
if (bs_buffer == NULL)
bs_buffer = malloc(BS_SIZE);
bs_ptr = bs_buffer; bs_count = 0;
/* Fill bitstream buffer */
if (bs_fill() < 0) {
printf("Can't read file header\r\n");
goto errorout;
}
/* Are we looking at a RIFF file? (stupid Windows encoders) */
if (bs_ptr[0] == 'R' && bs_ptr[1] == 'I' && bs_ptr[2] == 'F' && bs_ptr[3] == 'F') {
/* Found a RIFF header, scan through it until we find the data section */
printf("Skipping stupid RIFF header\r\n");
while (bs_ptr[0] != 'd' || bs_ptr[1] != 'a' || bs_ptr[2] != 't' || bs_ptr[3] != 'a') {
bs_ptr++;
if (bs_ptr >= (bs_buffer + BS_SIZE)) {
printf("Indeterminately long RIFF header\r\n");
goto errorout;
}
}
/* Skip 'data' and length */
bs_ptr += 8;
bs_count -= (bs_ptr - bs_buffer);
printf("Final index is %d\r\n", (bs_ptr - bs_buffer));
}
if (((uint8)bs_ptr[0] != 0xff) && (!((uint8)bs_ptr[1] & 0xe0))) {
printf("Definitely not an MPEG file\r\n");
goto errorout;
}
#endif
mpg123_init();
mh = mpg123_new(NULL, &err);
if(mh == NULL) {
printf("Can't init mpg123: %s\n", mpg123_strerror(mh));
goto errorout;
}
/* Open the MP3 context in open_fd mode */
#ifdef BS_SIZE
err = mpg123_open_fd(mh, mp3_fd);
#else
err = mpg123_open(mh, fn);
#endif
if(err != MPG123_OK) {
printf("Can't open mpg123\n");
mpg123_exit();
goto errorout;
}
int enc;
mpg123_getformat(mh, &rate, &channels, &enc);
mpg123_info(mh, &decinfo);
printf("Output Sampling rate = %ld\r\n", decinfo.rate);
printf("Output Bitrate = %d\r\n", decinfo.bitrate);
printf("Output Frame size = %d\r\n", decinfo.framesize);
printf("mpg123 initialized successfully\r\n");
return 0;
errorout:
printf("Exiting on error\r\n");
#ifdef BS_SIZE
if (bs_buffer) {
free(bs_buffer);
bs_buffer = NULL;
}
#endif
if (pcm_buffer) {
free(pcm_buffer);
pcm_buffer = NULL;
}
#ifdef BS_SIZE
fs_close(fd);
mp3_fd = 0;
#endif
return -1;
}
bool nuiAudioDecoder::ReadInfo()
{
if (!mpPrivate)
{
return false;
}
int err;
int read;
int toread = DECODER_INPUT_SIZE;
unsigned char* pInput = new unsigned char[toread];
do
{
read = mrStream.ReadUInt8(pInput, toread);
size_t done = 0;
err = mpg123_decode(mpPrivate->mpHandle, pInput, read, NULL, 0, &done);
// err = mpg123_feed(mpPrivate->mpHandle, pInput, read);
} while (err != MPG123_NEW_FORMAT && read > 0);
mpg123_frameinfo frameinfo;
err = mpg123_info(mpPrivate->mpHandle, &frameinfo);
if (err != MPG123_OK)
{
return false;
}
int channels;
if (frameinfo.mode == MPG123_M_MONO)
channels = 1;
else
channels = 2;
double samplerate = 44100;
int encoding = MPG123_ENC_SIGNED_16;
int supportedChannelConfig = mpg123_format_support(mpPrivate->mpHandle, samplerate, encoding);
if (supportedChannelConfig == 0)
{
return false;
}
int channelConfig;
bool mono = (supportedChannelConfig & MPG123_MONO) && (channels == 1);
bool stereo = (supportedChannelConfig & MPG123_STEREO) && (channels == 2);
if (mono)
channelConfig = MPG123_MONO;
else if (stereo)
channelConfig = MPG123_STEREO;
else
{
return false;
}
mpg123_format_none(mpPrivate->mpHandle);
err = mpg123_format(mpPrivate->mpHandle, samplerate, channelConfig, encoding);
if (err != MPG123_OK)
{
return false;
}
off_t sampleframes = mpg123_length(mpPrivate->mpHandle);
if (sampleframes <= 0)
{
int bitrate = frameinfo.bitrate;
nglFileSize streamSize = mrStream.Available();
sampleframes = (streamSize / (bitrate * 1000.f / 8.f)) * samplerate;
}
int BitsPerSample;
if (encoding == MPG123_ENC_FLOAT_32)
BitsPerSample = 32;
else if (encoding == MPG123_ENC_SIGNED_16)
BitsPerSample = 16;
else
{
return false;
}
mInfo.SetSampleFrames(sampleframes);
mInfo.SetSampleRate(samplerate);
mInfo.SetChannels(channels);
mInfo.SetBitsPerSample(BitsPerSample);
mInfo.SetFileFormat(eAudioCompressed);
mInfo.SetStartFrame(0);
mInfo.SetStopFrame(mInfo.GetSampleFrames());
return true;
}
int Mp3Decoder::getInstantBitRate()
{
mpg123_info(_handle, &_frameinfo);
return _frameinfo.bitrate * 1000;
}