本文整理汇总了C++中read_16bitBE函数的典型用法代码示例。如果您正苦于以下问题：C++ read_16bitBE函数的具体用法？C++ read_16bitBE怎么用？C++ read_16bitBE使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了read_16bitBE函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: thp_block_update
/* set up for the block at the given offset */
void thp_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
int i,j;
STREAMFILE *streamFile=vgmstream->ch[0].streamfile;
off_t start_offset;
int32_t nextFrameSize;
vgmstream->current_block_offset = block_offset;
nextFrameSize=read_32bitBE(vgmstream->current_block_offset,streamFile);
vgmstream->next_block_offset = vgmstream->current_block_offset
+ vgmstream->full_block_size;
vgmstream->full_block_size = nextFrameSize;
start_offset=vgmstream->current_block_offset
+ read_32bitBE(vgmstream->current_block_offset+0x08,streamFile)+0x10;
vgmstream->current_block_size=read_32bitBE(start_offset,streamFile);
start_offset+=8;
for(i=0;i<vgmstream->channels;i++) {
for(j=0;j<16;j++) {
vgmstream->ch[i].adpcm_coef[j]=read_16bitBE(start_offset+(i*0x20)+(j*2),streamFile);
}
vgmstream->ch[i].adpcm_history1_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4),streamFile);
vgmstream->ch[i].adpcm_history2_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4) + 2,streamFile);
vgmstream->ch[i].offset = start_offset + (0x24*vgmstream->channels)+(i*vgmstream->current_block_size);
}
}
开发者ID:benladen，项目名称:vgmstream，代码行数:28，代码来源:thp_blocked.c
示例2: init_vgmstream_g1l
VGMSTREAM * init_vgmstream_g1l(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
coding_t coding_type;
off_t head_offset;
int channel_count;
int loop_flag;
off_t start_offset;
/* check extension, case insensitive */
streamFile->get_name(streamFile, filename, sizeof(filename));
if (strcasecmp("g1l", filename_extension(filename)))
goto fail;
/* check header */
if ((uint32_t)read_32bitBE(0, streamFile) != 0x47314C5F) /* "G1L_" */
goto fail;
if ((uint32_t)read_32bitBE(0x1c, streamFile) != 0x57696942) /* "WiiB" */
goto fail;
/* check type details */
// loop_flag = read_8bit(head_offset + 0x21, streamFile);
if (read_32bitBE(0x30, streamFile) > 0)
loop_flag = 1;
else
loop_flag = 0;
channel_count = read_8bit(0x3f, streamFile);
coding_type = coding_NGC_DSP;
if (channel_count < 1) goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitBE(0x2c, streamFile);
vgmstream->sample_rate = (uint16_t)read_16bitBE(0x42, streamFile);
/* channels and loop flag are set by allocate_vgmstream */
vgmstream->loop_start_sample = read_32bitBE(0x30, streamFile);
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_type;
if (channel_count == 1)
vgmstream->layout_type = layout_none;
vgmstream->layout_type = layout_interleave_byte;
vgmstream->meta_type = meta_G1L;
vgmstream->interleave_block_size = 0x1;
if (vgmstream->coding_type == coding_NGC_DSP) {
off_t coef_offset = 0x78;
int i, j;
int coef_spacing = 0x60;
for (j = 0; j<vgmstream->channels; j++) {
for (i = 0; i<16; i++) {
vgmstream->ch[j].adpcm_coef[i] = read_16bitBE(coef_offset + j*coef_spacing + i * 2, streamFile);
}
}
}
if (vgmstream->coding_type == coding_NGC_DSP)
start_offset = 0x81c;
else // Will add AT3 G1L support later
goto fail;
/* open the file for reading by each channel */
{
int i;
for (i = 0; i<channel_count; i++) {
if (vgmstream->layout_type == layout_interleave_shortblock)
vgmstream->ch[i].streamfile = streamFile->open(streamFile, filename,
vgmstream->interleave_block_size);
else if (vgmstream->layout_type == layout_interleave)
vgmstream->ch[i].streamfile = streamFile->open(streamFile, filename,
STREAMFILE_DEFAULT_BUFFER_SIZE);
else
vgmstream->ch[i].streamfile = streamFile->open(streamFile, filename,
0x1000);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset =
//.........这里部分代码省略.........
开发者ID:Paxxi，项目名称:audiodecoder.vgmstream，代码行数:101，代码来源:g1l.c
示例3: init_vgmstream_afc
VGMSTREAM * init_vgmstream_afc(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int loop_flag;
const int channel_count = 2; /* .afc seems to be stereo only */
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("afc",filename_extension(filename))) goto fail;
/* don't grab AIFF-C with .afc extension */
if ((uint32_t)read_32bitBE(0x0,streamFile)==0x464F524D) /* FORM */
goto fail;
/* we will get a sample rate, that's as close to checking as I think
* we can get */
/* build the VGMSTREAM */
loop_flag = read_32bitBE(0x10,streamFile);
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitBE(0x04,streamFile);
vgmstream->sample_rate = (uint16_t)read_16bitBE(0x08,streamFile);
/* channels and loop flag are set by allocate_vgmstream */
vgmstream->loop_start_sample = read_32bitBE(0x14,streamFile);
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_AFC;
vgmstream->layout_type = layout_interleave;
vgmstream->meta_type = meta_AFC;
/* frame-level interleave (9 bytes) */
vgmstream->interleave_block_size = 9;
/* open the file for reading by each channel */
{
STREAMFILE *chstreamfile;
int i;
/* both channels use same buffer, as interleave is so small */
chstreamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!chstreamfile) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = chstreamfile;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=
0x20 + i*vgmstream->interleave_block_size;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
开发者ID:kode54，项目名称:vgmstream，代码行数:64，代码来源:afc.c
示例4: init_vgmstream_utf_dsp
/* CRI's UTF wrapper around DSP */
VGMSTREAM * init_vgmstream_utf_dsp(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[1024];
int table_error = 0;
int loop_flag = 0;
const long top_offset = 0;
int channel_count;
int sample_rate;
long sample_count;
long top_data_offset, segment_count;
long body_offset, body_size;
long header_offset, header_size;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
//if (strcasecmp("aax",filename_extension(filename))) goto fail;
/* get entry count, data offset */
{
struct utf_query_result result;
long top_string_table_offset;
long top_string_table_size;
long name_offset;
result = query_utf_nofail(streamFile, top_offset, NULL, &table_error);
if (table_error) goto fail;
segment_count = result.rows;
if (segment_count != 1) goto fail; // only simple stuff for now
top_string_table_offset = top_offset + 8 + result.string_table_offset;
top_data_offset = top_offset + 8 + result.data_offset;
top_string_table_size = top_data_offset - top_string_table_offset;
if (result.name_offset+10 > top_string_table_size) goto fail;
name_offset = top_string_table_offset + result.name_offset;
if (read_32bitBE(name_offset, streamFile) != 0x41445043 ||// "ADPC"
read_32bitBE(name_offset+4, streamFile) != 0x4D5F5749 ||// "M_WI"
read_16bitBE(name_offset+8, streamFile) != 0x4900) // "I\0"
goto fail;
}
{
struct offset_size_pair offset_size;
offset_size = query_utf_data(streamFile, top_offset, 0, "data", &table_error);
if (table_error) goto fail;
body_offset = top_data_offset + offset_size.offset;
body_size = offset_size.size;
offset_size = query_utf_data(streamFile, top_offset, 0, "header", &table_error);
if (table_error) goto fail;
header_offset = top_data_offset + offset_size.offset;
header_size = offset_size.size;
}
channel_count = query_utf_1byte(streamFile, top_offset, 0, "nch", &table_error);
sample_count = query_utf_4byte(streamFile, top_offset, 0, "nsmpl", &table_error);
sample_rate = query_utf_4byte(streamFile, top_offset, 0, "sfreq", &table_error);
if (table_error) goto fail;
if (channel_count != 1 && channel_count != 2) goto fail;
if (header_size != channel_count * 0x60) goto fail;
vgmstream = allocate_vgmstream(channel_count,loop_flag);
vgmstream->num_samples = sample_count;
vgmstream->sample_rate = sample_rate;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_UTF_DSP;
{
int i,j;
long channel_size = (body_size+7)/8*8/channel_count;
for (i = 0; i < channel_count; i++)
{
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset =
vgmstream->ch[i].offset = body_offset + i * channel_size;
for (j=0;j<16;j++)
{
vgmstream->ch[i].adpcm_coef[j] =
read_16bitBE(header_offset + 0x60*i + 0x1c + j*2, streamFile);
}
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
//.........这里部分代码省略.........
开发者ID:Sappharad，项目名称:modizer，代码行数:101，代码来源:aax.c
示例5: init_vgmstream_ads
/* ADS (from Gauntlet Dark Legends (GC)) */
VGMSTREAM * init_vgmstream_ads(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
int loop_flag;
int channel_count;
int identifer_byte;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("ads",filename_extension(filename))) goto fail;
/* check dhSS Header */
if (read_32bitBE(0x00,streamFile) != 0x64685353)
goto fail;
/* check dbSS Header */
if (read_32bitBE(0x20,streamFile) != 0x64625353)
goto fail;
loop_flag = 1;
channel_count = read_32bitBE(0x10,streamFile);
if (channel_count > 0x2)
goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
identifer_byte = read_32bitBE(0x08,streamFile);
switch (identifer_byte) {
case 0x00000020:
start_offset = 0xE8;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x0c,streamFile);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->num_samples = read_32bitBE(0x28,streamFile);
if (loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
if (channel_count == 1){
vgmstream->layout_type = layout_none;
} else if (channel_count == 2){
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitBE(0x14,streamFile);
}
break;
case 0x00000021:
start_offset = 0x28;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x0c,streamFile);
vgmstream->coding_type = coding_INT_XBOX;
vgmstream->num_samples = (read_32bitBE(0x24,streamFile) / 36 *64 / vgmstream->channels)-64; // to avoid the "pop" at the loop point
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x24;
if (loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
break;
default:
goto fail;
}
vgmstream->meta_type = meta_ADS;
{
int i;
for (i=0;i<16;i++)
vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x44+i*2,streamFile);
if (channel_count == 2) {
for (i=0;i<16;i++)
vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0xA4+i*2,streamFile);
}
}
/* open the file for reading */
if (vgmstream->coding_type == coding_NGC_DSP) {
int i,c;
for (c=0;c<channel_count;c++) {
for (i=0;i<16;i++) {
vgmstream->ch[c].adpcm_coef[i] =
read_16bitBE(0x44+c*0x60 +i*2,streamFile);
}
}
}
/* 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++) {
//.........这里部分代码省略.........
开发者ID:jpmac26，项目名称:PGE-Project，代码行数:101，代码来源:ads.c
示例6: init_vgmstream_ios_psnd
/* PSND (from Crash Bandicoot Nitro Kart 2 (iOS) */
VGMSTREAM * init_vgmstream_ios_psnd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("psnd",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x50534E44) /* "PSND" */
goto fail;
if (read_16bitBE(0xC,streamFile)==0x2256){
loop_flag = 1;
}
else {
loop_flag = 0;
}
channel_count = read_8bit(0xE,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x10;
vgmstream->channels = channel_count;
if (read_16bitBE(0xC,streamFile)==0x44AC){
vgmstream->sample_rate = 44100;
}
else {
vgmstream->sample_rate = read_16bitLE(0xC,streamFile);
}
vgmstream->coding_type = coding_PCM16LE;
vgmstream->num_samples = (read_32bitLE(0x4,streamFile)-8)/4;
if (loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 2;
vgmstream->meta_type = meta_IOS_PSND;
/* 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;
}
开发者ID:Deinonychus71，项目名称:vgmstream，代码行数:73，代码来源:ios_psnd.c
示例7: init_vgmstream_ngc_lps
/* LPS (found in Rave Master (Groove Adventure Rave)(GC) */
VGMSTREAM * init_vgmstream_ngc_lps(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
off_t start_offset;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("lps",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x8,streamFile) != 0x10000000)
goto fail;
loop_flag = read_32bitBE(0x30,streamFile);
channel_count = 1;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x60;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x28,streamFile);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->num_samples = (read_32bitBE(0x34,streamFile))/16*14;
if (loop_flag) {
vgmstream->loop_start_sample = (read_32bitBE(0x30,streamFile))/16*14;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
vgmstream->layout_type = layout_none;
vgmstream->meta_type = meta_NGC_LPS;
if (vgmstream->coding_type == coding_NGC_DSP) {
int i;
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x3C+i*2,streamFile);
}
}
/* 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;
}
开发者ID:9a3eedi，项目名称:Droidsound，代码行数:66，代码来源:ngc_lps.c
示例8: init_vgmstream_ast
VGMSTREAM * init_vgmstream_ast(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
coding_t coding_type;
int codec_number;
int channel_count;
int loop_flag;
size_t max_block;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("ast",filename_extension(filename))) goto fail;
/* check header */
if ((uint32_t)read_32bitBE(0,streamFile)!=0x5354524D || /* "STRM" */
read_16bitBE(0xa,streamFile)!=0x10 ||
/* check that file = header (0x40) + data */
read_32bitBE(4,streamFile)+0x40!=get_streamfile_size(streamFile))
goto fail;
/* check for a first block */
if (read_32bitBE(0x40,streamFile)!=0x424C434B) /* "BLCK" */
goto fail;
/* check type details */
codec_number = read_16bitBE(8,streamFile);
loop_flag = read_16bitBE(0xe,streamFile);
channel_count = read_16bitBE(0xc,streamFile);
max_block = read_32bitBE(0x20,streamFile);
switch (codec_number) {
case 0:
coding_type = coding_NGC_AFC;
break;
case 1:
coding_type = coding_PCM16BE;
break;
default:
goto fail;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitBE(0x14,streamFile);
vgmstream->sample_rate = read_32bitBE(0x10,streamFile);
/* channels and loop flag are set by allocate_vgmstream */
vgmstream->loop_start_sample = read_32bitBE(0x18,streamFile);
vgmstream->loop_end_sample = read_32bitBE(0x1c,streamFile);
vgmstream->coding_type = coding_type;
vgmstream->layout_type = layout_ast_blocked;
vgmstream->meta_type = meta_AST;
/* open the file for reading by each channel */
{
int i;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,
(i==0?
max_block+0x20-4: /* first buffer a bit bigger to
read block header without
inefficiency */
max_block
)
);
if (!vgmstream->ch[i].streamfile) goto fail;
}
}
/* start me up */
ast_block_update(0x40,vgmstream);
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
开发者ID:1c0n，项目名称:xbmc，代码行数:87，代码来源:ast.c
示例9: init_vgmstream_bfstm
VGMSTREAM * init_vgmstream_bfstm(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
coding_t coding_type;
off_t info_offset, seek_offset, data_offset, regn_offset, pdat_offset;
size_t info_size, seek_size, data_size, regn_size, pdat_size;
uint16_t temp_id;
int codec_number;
int channel_count;
int loop_flag;
int i, j;
int ima = 0;
off_t start_offset;
int founddata;
off_t tempoffset1;
/* check extension, case insensitive */
streamFile->get_name(streamFile, filename, sizeof(filename));
if (strcasecmp("bfstm", filename_extension(filename)))
goto fail;
/* check header */
if ((uint32_t)read_32bitBE(0, streamFile) != 0x4653544D) /* "FSTM" */
goto fail;
if ((uint16_t)read_16bitBE(4, streamFile) != 0xFEFF)
goto fail;
int section_count = read_16bitBE(0x10, streamFile);
for (i = 0; i < section_count; i++) {
temp_id = read_16bitBE(0x14 + i * 0xc, streamFile);
switch(temp_id) {
case 0x4000:
info_offset = read_32bitBE(0x18 + i * 0xc, streamFile);
info_size = read_32bitBE(0x1c + i * 0xc, streamFile);
break;
case 0x4001:
seek_offset = read_32bitBE(0x18 + i * 0xc, streamFile);
seek_size = read_32bitBE(0x1c + i * 0xc, streamFile);
break;
case 0x4002:
data_offset = read_32bitBE(0x18 + i * 0xc, streamFile);
data_size = read_32bitBE(0x1c + i * 0xc, streamFile);
break;
case 0x4003:
regn_offset = read_32bitBE(0x18 + i * 0xc, streamFile);
regn_size = read_32bitBE(0x1c + i * 0xc, streamFile);
break;
case 0x4004:
pdat_offset = read_32bitBE(0x18 + i * 0xc, streamFile);
pdat_size = read_32bitBE(0x1c + i * 0xc, streamFile);
break;
default:
break;
}
}
if ((uint32_t)read_32bitBE(info_offset, streamFile) != 0x494E464F) /* "INFO" */
goto fail;
/* check type details */
codec_number = read_8bit(info_offset + 0x20, streamFile);
loop_flag = read_8bit(info_offset + 0x21, streamFile);
channel_count = read_8bit(info_offset + 0x22, streamFile);
switch (codec_number) {
case 0:
coding_type = coding_PCM8;
break;
case 1:
coding_type = coding_PCM16BE;
break;
case 2:
coding_type = coding_NGC_DSP;
break;
default:
goto fail;
}
if (channel_count < 1) goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitBE(info_offset + 0x2c, streamFile);
vgmstream->sample_rate = (uint16_t)read_16bitBE(info_offset + 0x26, streamFile);
/* channels and loop flag are set by allocate_vgmstream */
if (ima) //Shift the loop points back slightly to avoid stupid pops in some IMA streams due to DC offsetting
{
vgmstream->loop_start_sample = read_32bitBE(info_offset + 0x28, streamFile);
if (vgmstream->loop_start_sample > 10000)
{
vgmstream->loop_start_sample -= 5000;
//.........这里部分代码省略.........
开发者ID:Deinonychus71，项目名称:vgmstream，代码行数:101，代码来源:bfstm.c
示例10: find_key
/* return 0 if not found, 1 if found and set parameters */
static int find_key(STREAMFILE *file, uint8_t type, uint16_t *xor_start, uint16_t *xor_mult, uint16_t *xor_add)
{
uint16_t * scales = NULL;
uint16_t * prescales = NULL;
int bruteframe=0,bruteframecount=-1;
int startoff, endoff;
int rc = 0;
startoff=read_16bitBE(2, file)+4;
endoff=(read_32bitBE(12, file)+31)/32*18*read_8bit(7, file)+startoff;
/* how many scales? */
{
int framecount=(endoff-startoff)/18;
if (framecount<bruteframecount || bruteframecount<0)
bruteframecount=framecount;
}
/* find longest run of nonzero frames */
{
int longest=-1,longest_length=-1;
int i;
int length=0;
for (i=0;i<bruteframecount;i++) {
static const unsigned char zeroes[18]={0};
unsigned char buf[18];
read_streamfile(buf, startoff+i*18, 18, file);
if (memcmp(zeroes,buf,18)) length++;
else length=0;
if (length > longest_length) {
longest_length=length;
longest=i-length+1;
if (longest_length >= 0x8000) break;
}
}
if (longest==-1) {
goto find_key_cleanup;
}
bruteframecount = longest_length;
bruteframe = longest;
}
{
/* try to guess key */
#define MAX_FRAMES (INT_MAX/0x8000)
int scales_to_do;
int key_id;
/* allocate storage for scales */
scales_to_do = (bruteframecount > MAX_FRAMES ? MAX_FRAMES : bruteframecount);
scales = malloc(scales_to_do*sizeof(uint16_t));
if (!scales) {
goto find_key_cleanup;
}
/* prescales are those scales before the first frame we test
* against, we use these to compute the actual start */
if (bruteframe > 0) {
int i;
/* allocate memory for the prescales */
prescales = malloc(bruteframe*sizeof(uint16_t));
if (!prescales) {
goto find_key_cleanup;
}
/* read the prescales */
for (i=0; i<bruteframe; i++) {
prescales[i] = read_16bitBE(startoff+i*18, file);
}
}
/* read in the scales */
{
int i;
for (i=0; i < scales_to_do; i++) {
scales[i] = read_16bitBE(startoff+(bruteframe+i)*18, file);
}
}
if (type == 8)
{
/* guess each of the keys */
for (key_id=0;key_id<keys_8_count;key_id++) {
/* test pre-scales */
uint16_t xor = keys_8[key_id].start;
uint16_t mult = keys_8[key_id].mult;
uint16_t add = keys_8[key_id].add;
int i;
for (i=0;i<bruteframe &&
((prescales[i]&0x6000)==(xor&0x6000) ||
prescales[i]==0);
i++) {
xor = xor * mult + add;
}
if (i == bruteframe)
{
/* test */
for (i=0;i<scales_to_do &&
(scales[i]&0x6000)==(xor&0x6000);i++) {
//.........这里部分代码省略.........
开发者ID:Deinonychus71，项目名称:vgmstream，代码行数:101，代码来源:adx_header.c
示例11: init_vgmstream_adx
VGMSTREAM * init_vgmstream_adx(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t stream_offset;
uint16_t version_signature;
int loop_flag=0;
int channel_count, i, j, channel_header_spacing;
int32_t loop_start_sample=0;
int32_t loop_end_sample=0;
meta_t header_type;
int16_t coef1, coef2;
uint16_t cutoff;
char filename[PATH_LIMIT];
int coding_type = coding_CRI_ADX;
uint16_t xor_start=0,xor_mult=0,xor_add=0;
/* Xenoblade Chronicles 3D uses an adx extension as with
the Wii version, but it's actually DSP ADPCM. Adding
this flag to account for it. */
int xb3d_flag = 0;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("adx",filename_extension(filename))) goto fail;
/* check first 2 bytes */
if ((uint16_t)read_16bitBE(0,streamFile)!=0x8000) {
if (read_8bit(0,streamFile)!=2)goto fail;
else {xb3d_flag = 1; coding_type = coding_NGC_DSP;}
}
if (xb3d_flag) {
channel_count = read_32bitLE(0, streamFile);
loop_flag = read_16bitLE(0x6e, streamFile);
channel_header_spacing = 0x34;
}
else {
/* get stream offset, check for CRI signature just before */
stream_offset = (uint16_t)read_16bitBE(2,streamFile) + 4;
if ((uint16_t)read_16bitBE(stream_offset-6,streamFile)!=0x2863 ||/* "(c" */
(uint32_t)read_32bitBE(stream_offset-4,streamFile)!=0x29435249 /* ")CRI" */
) goto fail;
/* check for encoding type */
/* 2 is for some unknown fixed filter, 3 is standard ADX, 4 is
* ADX with exponential scale, 0x11 is AHX */
if (read_8bit(4,streamFile) != 3) goto fail;
/* check for frame size (only 18 is supported at the moment) */
if (read_8bit(5,streamFile) != 18) goto fail;
/* check for bits per sample? (only 4 makes sense for ADX) */
if (read_8bit(6,streamFile) != 4) goto fail;
/* check version signature, read loop info */
version_signature = read_16bitBE(0x12,streamFile);
/* encryption */
if (version_signature == 0x0408) {
if (find_key(streamFile, 8, &xor_start, &xor_mult, &xor_add))
{
coding_type = coding_CRI_ADX_enc_8;
version_signature = 0x0400;
}
}
else if (version_signature == 0x0409) {
if (find_key(streamFile, 9, &xor_start, &xor_mult, &xor_add))
{
coding_type = coding_CRI_ADX_enc_9;
version_signature = 0x0400;
}
}
if (version_signature == 0x0300) { /* type 03 */
header_type = meta_ADX_03;
if (stream_offset-6 >= 0x2c) { /* enough space for loop info? */
loop_flag = (read_32bitBE(0x18,streamFile) != 0);
loop_start_sample = read_32bitBE(0x1c,streamFile);
//loop_start_offset = read_32bitBE(0x20,streamFile);
loop_end_sample = read_32bitBE(0x24,streamFile);
//loop_end_offset = read_32bitBE(0x28,streamFile);
}
} else if (version_signature == 0x0400) {
off_t ainf_info_length=0;
if((uint32_t)read_32bitBE(0x24,streamFile)==0x41494E46) /* AINF Header */
ainf_info_length = (off_t)read_32bitBE(0x28,streamFile);
header_type = meta_ADX_04;
if (stream_offset-ainf_info_length-6 >= 0x38) { /* enough space for loop info? */
if (read_32bitBE(0x24,streamFile) == 0xFFFEFFFE)
loop_flag = 0;
else
loop_flag = (read_32bitBE(0x24,streamFile) != 0);
loop_start_sample = read_32bitBE(0x28,streamFile);
//loop_start_offset = read_32bitBE(0x2c,streamFile);
loop_end_sample = read_32bitBE(0x30,streamFile);
//loop_end_offset = read_32bitBE(0x34,streamFile);
}
} else if (version_signature == 0x0500) { /* found in some SFD : Buggy Heat, appears to have no loop */
header_type = meta_ADX_05;
//.........这里部分代码省略.........
开发者ID:Deinonychus71，项目名称:vgmstream，代码行数:101，代码来源:adx_header.c
示例12: init_vgmstream_wii_ras
/* RAS (from Donkey Kong Country Returns) */
VGMSTREAM * init_vgmstream_wii_ras(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
off_t start_offset;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("ras",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x5241535F) /* "RAS_" */
goto fail;
loop_flag = 0;
if (read_32bitBE(0x30,streamFile) != 0 ||
read_32bitBE(0x34,streamFile) != 0 ||
read_32bitBE(0x38,streamFile) != 0 ||
read_32bitBE(0x3C,streamFile) != 0) {
loop_flag = 1;
}
channel_count = 2;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = read_32bitBE(0x18,streamFile);
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x14,streamFile);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->num_samples = read_32bitBE(0x1c,streamFile)/channel_count/8*14;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitBE(0x20,streamFile);
vgmstream->meta_type = meta_WII_RAS;
if (loop_flag) {
// loop is block + samples into block
vgmstream->loop_start_sample =
read_32bitBE(0x30,streamFile)*vgmstream->interleave_block_size/8*14 +
read_32bitBE(0x34,streamFile);
vgmstream->loop_end_sample =
read_32bitBE(0x38,streamFile)*vgmstream->interleave_block_size/8*14 +
read_32bitBE(0x3C,streamFile);
}
if (vgmstream->coding_type == coding_NGC_DSP) {
int i;
for (i=0;i<16;i++) {
vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x40+i*2,streamFile);
}
if (channel_count == 2) {
for (i=0;i<16;i++)
vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x70+i*2,streamFile);
}
} else {
goto fail;
}
/* open the file for reading */
{
int i;
for (i=0;i<channel_count;i++) {
if (vgmstream->layout_type==layout_interleave_shortblock)
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,
vgmstream->interleave_block_size);
else
vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,
0x1000);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=
start_offset + i*vgmstream->interleave_block_size;
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
开发者ID:Paxxi，项目名称:audiodecoder.vgmstream，代码行数:89，代码来源:wii_ras.c
示例13: init_vgmstream_genh
//.........这里部分代码省略.........
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);
开发者ID:Emiyasviel，项目名称:Arianrhod，代码行数:67，代码来源:genh.c
示例14: init_vgmstream_brstm
VGMSTREAM * init_vgmstream_brstm(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[260];
coding_t coding_type;
off_t head_offset;
int codec_number;
int channel_count;
int loop_flag;
/* Certain Super Paper Mario tracks have a 44.1KHz sample rate in the
* header, but they should be played at 22.05KHz. We will make this
* correction if we see a file with a .brstmspm extension. */
int spm_flag = 0;
/* Trauma Center Second Opinion has an odd, semi-corrupt header */
int atlus_shrunken_head = 0;
off_t start_offset;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("brstm",filename_extension(filename))) {
if (strcasecmp("brstmspm",filename_extension(filename))) goto fail;
else spm_flag = 1;
}
/* check header */
if ((uint32_t)read_32bitBE(0,streamFile)!=0x5253544D) /* "RSTM" */
goto fail;
if ((uint32_t)read_32bitBE(4,streamFile)!=0xFEFF0100)
{
if ((uint32_t)read_32bitBE(4,streamFile)!=0xFEFF0001)
goto fail;
else
atlus_shrunken_head = 1;
}
/* get head offset, check */
head_offset = read_32bitBE(0x10,streamFile);
if (atlus_shrunken_head)
{
/* the HEAD chunk is where we would expect to find the offset of that
* chunk... */
if ((uint32_t)head_offset!=0x48454144 || read_32bitBE(0x14,streamFile) != 8)
goto fail;
head_offset = -8; /* most of the normal Nintendo RSTM offsets work
with this assumption */
}
else
{
if ((uint32_t)read_32bitBE(head_offset,streamFile)!=0x48454144) /* "HEAD" */
goto fail;
}
/* check type details */
codec_number = read_8bit(head_offset+0x20,streamFile);
loop_flag = read_8bit(head_offset+0x21,streamFile);
channel_count = read_8bit(head_offset+0x22,streamFile);
switch (codec_number) {
case 0:
coding_type = coding_PCM8;
break;
case 1:
coding_type = coding_PCM16BE;
break;
case 2:
coding_type = coding_NGC_DSP;
break;
default:
goto fail;
}
if (channel_count < 1) goto fail;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
vgmstream->num_samples = read_32bitBE(head_offset+0x2c,streamFile);
vgmstream->sample_rate = (uint16_t)read_16bitBE(head_offset+0x24,streamFile);
/* channels and loop flag are set by allocate_vgmstream */
vgmstream->loop_start_sample = read_32bitBE(head_offset+0x28,streamFile);
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_type;
if (channel_count==1)
vgmstream->layout_type = layout_none;
else
vgmstream->layout_type = layout_interleave_shortblock;
vgmstream->meta_type = meta_RSTM;
if (atlus_shrunken_head)
vgmstream->meta_type = meta_RSTM_shrunken;
if (spm_flag&& vgmstream->sample_rate == 44100) {
vgmstream->meta_type = meta_RSTM_SPM;
//.........这里部分代码省略.........
开发者ID:flyingtime，项目名称:boxee，代码行数:101，代码来源:brstm.c
示例15: init_vgmstream_ngc_gcub
/* GCUB - found in 'Sega Soccer Slam' */
VGMSTREAM * init_vgmstream_ngc_gcub(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
int loop_flag;
int channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("gcub",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x47437562) /* "GCub" */
goto fail;
loop_flag = 0;
channel_count = read_32bitBE(0x04,streamFile);
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
if (read_32bitBE(0x60,streamFile) == 0x47437878) /* "GCxx" */
{
start_offset = 0x88;
}
else
{
start_offset = 0x60;
}
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitBE(0x08,streamFile);
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->num_samples = (read_32bitBE(0x0C,streamFile)-start_offset)/8/channel_count*14;
if (loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = (read_32bitBE(0x0C,streamFile)-start_offset)/8/channel_count*14;
}
if (channel_count == 1)
{
vgmstream->layout_type = layout_none;
}
else
{
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x8000; // read_32bitBE(0x04,streamFile);
}
vgmstream->meta_type = meta_NGC_GCUB;
if (vgmstream->coding_type == coding_NGC_DSP) {
int i;
for (i=0; i<16; i++) {
vgmstream->ch[0].adpcm_coef[i] = read_16bitBE(0x10+i*2,streamFile);
}
if (vgmstream->channels == 2) {
for (i=0; i<16; i++) {
vgmstream->ch[1].adpcm_coef[i] = read_16bitBE(0x30+i*2,streamFile);
}
}
}
/* 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;
/* The first channel */
vgmstream->ch[0].channel_start_offset=
vgmstream->ch[0].offset=start_offset;
/* The second channel */
if (channel_count == 2) {
vgmstream->ch[1].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!vgmstream->ch[1].streamfile) goto fail;
vgmstream->ch[1].channel_start_offset=
vgmstream->ch[1].offset=start_offset+vgmstream->interleave_block_size;
}
}
}
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
return NULL;
}
开发者ID:einstein95，项目名称:vgmstream，代码行数:100，代码来源:ngc_gcub.c
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