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C++ read_32bitBE函数代码示例

本文整理汇总了C++中read_32bitBE函数的典型用法代码示例。如果您正苦于以下问题：C++ read_32bitBE函数的具体用法？C++ read_32bitBE怎么用？C++ read_32bitBE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_32bitBE函数的15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_ps2_vgv

/* VGV (from Rune: Viking Warlord) */
VGMSTREAM * init_vgmstream_ps2_vgv(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[260];
    off_t start_offset;
    int loop_flag = 0;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("vgv",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x08,streamFile) != 0x0)
        goto fail;
    if (read_32bitBE(0x0C,streamFile) != 0x0)
        goto fail;

    loop_flag = 0;
    channel_count = 1;
    
	/* 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;
    vgmstream->sample_rate = read_32bitLE(0x0,streamFile);
    vgmstream->coding_type = coding_PSX;
    vgmstream->num_samples = (get_streamfile_size(streamFile))*28/16/channel_count;
    if (loop_flag) {
        vgmstream->loop_start_sample = 0;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)*28/16/channel_count;
    }

    vgmstream->layout_type = layout_none;
    vgmstream->meta_type = meta_PS2_VGV;

    /* 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:61，代码来源:ps2_vgv.c

示例3: init_vgmstream_rsd6radp

/* RSD6RADP */
VGMSTREAM * init_vgmstream_rsd6radp(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("rsd",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0,streamFile) != 0x52534436) /* RSD6 */
		goto fail;
	if (read_32bitBE(0x4,streamFile) != 0x52414450)	/* RADP */
        goto fail;

    loop_flag = 0;
    channel_count = read_32bitLE(0x8,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
  start_offset = 0x800;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_RAD_IMA;
    vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/0x14/channel_count*32;
    if (loop_flag) {
        vgmstream->loop_start_sample = loop_flag;
        vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)*28/16/channel_count;
    }
    vgmstream->layout_type = layout_none;
    vgmstream->interleave_block_size = 0x14*channel_count;
    vgmstream->meta_type = meta_RSD6RADP;

    /* 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].offset=vgmstream->ch[i].channel_start_offset=start_offset;
        }
    }
    
	return vgmstream;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}
开发者ID:xbmcin，项目名称:XBMCinTC，代码行数:60，代码来源:rsd.c

示例4: init_vgmstream_ps2_gcm

/* GCM (from NamCollection) */
VGMSTREAM * init_vgmstream_ps2_gcm(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("gcm",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x00,streamFile) != 0x4D434700) /* "MCG" */
        goto fail;
	if (read_32bitBE(0x20,streamFile) != 0x56414770) /* "VAGp" */
        goto fail;

    loop_flag = 0;
    channel_count= 2;
    
   /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

   /* fill in the vital statistics */
    start_offset = 0x80;
   vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitBE(0x30,streamFile);
    vgmstream->coding_type = coding_PSX;
    vgmstream->num_samples = read_32bitLE(0x10,streamFile)*28/32;
    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = read_32bitLE(0x14,streamFile);
    vgmstream->meta_type = meta_PS2_GCM;

    /* 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:59，代码来源:ps2_gcm.c

示例5: init_vgmstream_xbox_xmu

VGMSTREAM * init_vgmstream_xbox_xmu(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];

    int loop_flag=0;
	int channel_count;
    int i;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("xmu",filename_extension(filename))) goto fail;

	if((read_32bitBE(0x00,streamFile)!=0x584D5520) && 
	   (read_32bitBE(0x08,streamFile)!=0x46524D54))
		goto fail;

    /* No Loop found atm */
	loop_flag = read_8bit(0x16,streamFile);;
    
	/* Always stereo files */
	channel_count=read_8bit(0x14,streamFile);
    
	/* 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_32bitLE(0x10,streamFile);

	vgmstream->coding_type = coding_XBOX;
    vgmstream->num_samples = read_32bitLE(0x7FC,streamFile) / 36 * 64 / vgmstream->channels;
    vgmstream->layout_type = layout_none;
    vgmstream->meta_type = meta_XBOX_XMU;

	if(loop_flag) {
		vgmstream->loop_start_sample=0;
		vgmstream->loop_end_sample=vgmstream->num_samples;
	}
	
	/* open the file for reading by each channel */
    {
        for (i=0;i<channel_count;i++) {
            vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,36);
            vgmstream->ch[i].offset = 0x800;

            if (!vgmstream->ch[i].streamfile) goto fail;
        }
    }

    return vgmstream;

    /* clean up anything we may have opened */
fail:
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}
开发者ID:jpmac26，项目名称:PGE-Project，代码行数:57，代码来源:xbox_xmu.c

示例6: init_vgmstream_myspd

VGMSTREAM * init_vgmstream_myspd(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[260];
    int channel_count;
    int loop_flag = 0;
    off_t start_offset;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("myspd",filename_extension(filename))) goto fail;

    channel_count = 2;
    start_offset = 0x20;

    /* check size */
	if ((read_32bitBE(0x0,streamFile)*channel_count+start_offset) != get_streamfile_size(streamFile))
		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(0x0,streamFile) * 2;
    vgmstream->sample_rate = read_32bitBE(0x4,streamFile);

	vgmstream->coding_type = coding_IMA;
    vgmstream->meta_type = meta_MYSPD;
    vgmstream->layout_type = layout_none;

    /* open the file for reading */
    {
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        vgmstream->ch[0].streamfile = file;

        vgmstream->ch[0].channel_start_offset=
            vgmstream->ch[0].offset=start_offset;

        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        vgmstream->ch[1].streamfile = file;
        
        vgmstream->ch[0].channel_start_offset=
            vgmstream->ch[1].offset=start_offset + read_32bitBE(0x0,streamFile);
    }
    
    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:55，代码来源:myspd.c

示例7: read_rwar

static void read_rwar(struct rwav_data * rd)
{
    if ((uint32_t)read_32bitBE(rd->offset,rd->streamFile)!=0x52574152) /* "RWAR" */
        return;
    if ((uint32_t)read_32bitBE(rd->offset+4,rd->streamFile)!=0xFEFF0100) /* version 0 */
        return;

    rd->offset += 0x60;
    read_rwav(rd);
    rd->version = 0;
    return;
}
开发者ID:Deinonychus71，项目名称:vgmstream，代码行数:12，代码来源:rwsd.c

示例8: init_vgmstream_lsf_n1nj4n

VGMSTREAM * init_vgmstream_lsf_n1nj4n(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[260];

    size_t file_size;
    off_t start_offset;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("lsf",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x0, streamFile) != 0x216E316E || // "!n1n"
        read_32bitBE(0x4, streamFile) != 0x6A346E00)   // "j4n\0"
        goto fail;

    /* check size */
    file_size = get_streamfile_size(streamFile);
    if (read_32bitLE(0xC, streamFile) + 0x10 != file_size)
        goto fail;

    start_offset = 0x10;

    /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(1,0);
    if (!vgmstream) goto fail;

    /* fill in the vital statistics */
    vgmstream->num_samples = (file_size-0x10)/0x1c*0x1b*2;
    vgmstream->sample_rate = read_32bitLE(0x8, streamFile);

    vgmstream->coding_type = coding_LSF;
    vgmstream->layout_type = layout_none;
    vgmstream->meta_type = meta_LSF_N1NJ4N;

    /* open the file for reading */
    {
        vgmstream->ch[0].streamfile = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);

        if (!vgmstream->ch[0].streamfile) goto fail;

        vgmstream->ch[0].channel_start_offset=
            vgmstream->ch[0].offset=start_offset;
    }

    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:52，代码来源:lsf.c

示例9: eacs_block_update

void eacs_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
	int i;
	off_t block_size=vgmstream->current_block_size;

	if(read_32bitBE(block_offset,vgmstream->ch[0].streamfile)==0x31534E6C) {
		block_offset+=0x0C;
	}

    vgmstream->current_block_offset = block_offset;

	if(read_32bitBE(block_offset,vgmstream->ch[0].streamfile)==0x31534E64) { /* 1Snd */
		block_offset+=4;
		if(vgmstream->ea_platform==0)
			block_size=read_32bitLE(vgmstream->current_block_offset+0x04,
									vgmstream->ch[0].streamfile);
		else
			block_size=read_32bitBE(vgmstream->current_block_offset+0x04,
									vgmstream->ch[0].streamfile);
		block_offset+=4;
	}

	vgmstream->current_block_size=block_size-8;

	if(vgmstream->coding_type==coding_EACS_IMA) {
		init_get_high_nibble(vgmstream);
		vgmstream->current_block_size=read_32bitLE(block_offset,vgmstream->ch[0].streamfile);

		for(i=0;i<vgmstream->channels;i++) {
			vgmstream->ch[i].adpcm_step_index = read_32bitLE(block_offset+0x04+i*4,vgmstream->ch[0].streamfile);
			vgmstream->ch[i].adpcm_history1_32 = read_32bitLE(block_offset+0x04+i*4+(4*vgmstream->channels),vgmstream->ch[0].streamfile);
			vgmstream->ch[i].offset = block_offset+0x14;
		}
	} else {
		if(vgmstream->coding_type==coding_PSX) {
			for (i=0;i<vgmstream->channels;i++) 
				vgmstream->ch[i].offset = vgmstream->current_block_offset+8+(i*(vgmstream->current_block_size/2));
		} else {

			for (i=0;i<vgmstream->channels;i++) {
				if(vgmstream->coding_type==coding_PCM16LE_int) 
					vgmstream->ch[i].offset = block_offset+(i*2); 
				else
					vgmstream->ch[i].offset = block_offset+i; 
			}
		}
		vgmstream->current_block_size/=vgmstream->channels;
	}
	vgmstream->next_block_offset = vgmstream->current_block_offset + 
		(off_t)block_size;
}
开发者ID:1c0n，项目名称:xbmc，代码行数:50，代码来源:ea_block.c

示例10: init_vgmstream_ps2_omu

// OMU is a PS2 .INT file with header ...
// found in Alter Echo
VGMSTREAM * init_vgmstream_ps2_omu(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[1024];
	int i,channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("omu",filename_extension(filename))) goto fail;

	/* check header */
	if((read_32bitBE(0,streamFile)!=0x4F4D5520) && (read_32bitBE(0x08,streamFile)!=0x46524D54))
		goto fail;

	channel_count = (int)read_8bit(0x14,streamFile);

    /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,1);
    if (!vgmstream) goto fail;

    /* fill in the vital statistics */
	vgmstream->channels=channel_count;
    vgmstream->sample_rate = read_32bitLE(0x10,streamFile);
    vgmstream->coding_type = coding_PCM16LE;
    vgmstream->num_samples = (int32_t)(read_32bitLE(0x3C,streamFile)/(vgmstream->channels*2));
    vgmstream->interleave_block_size = 0x200;
    vgmstream->layout_type = layout_interleave;
    vgmstream->meta_type = meta_PS2_OMU;

	vgmstream->loop_start_sample=0;
	vgmstream->loop_end_sample=vgmstream->num_samples;

    /* open the file for reading by each channel */
    {
        for (i=0;i<vgmstream->channels;i++) {
            vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,0x8000);

            if (!vgmstream->ch[i].streamfile) goto fail;

            vgmstream->ch[i].channel_start_offset=
                vgmstream->ch[i].offset=0x40+(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:Sappharad，项目名称:modizer，代码行数:52，代码来源:ps2_int.c

示例11: init_vgmstream_wii_04sw

/* 04SW - found in Driver: Parallel Lines (Wii) */
VGMSTREAM * init_vgmstream_wii_04sw(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    off_t start_offset;
    int loop_flag, channel_count;
    size_t file_size, data_size;


    /* checks */
    /* ".04sw" is just the ID, the real filename inside the file uses .XA */
    if (!check_extensions(streamFile,"xa,04sw"))
        goto fail;
    if (read_32bitBE(0x00,streamFile) != 0x30345357) /* "04SW" */
        goto fail;

    /* after the ID goes a semi-standard DSP header */
    if (read_32bitBE(0x10,streamFile) != 0) goto fail; /* should be non looping */
    loop_flag = 0;
    /* not in header it seems so just dual header check */
    channel_count = (read_32bitBE(0x04,streamFile) == read_32bitBE(0x64,streamFile)) ? 2 : 1;

    start_offset = read_32bitBE(0x04 + 0x60*channel_count,streamFile);

    file_size = get_streamfile_size(streamFile);
    data_size = read_32bitBE(0x04 + 0x60*channel_count + 0x04,streamFile);
    if (data_size+start_offset != file_size) goto fail;


    /* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

    vgmstream->sample_rate = read_32bitBE(0x0c,streamFile);
    vgmstream->num_samples = read_32bitBE(0x04,streamFile);

    vgmstream->coding_type = coding_NGC_DSP;
    vgmstream->layout_type = channel_count == 1 ? layout_none : layout_interleave;
    vgmstream->interleave_block_size = 0x8000;
    vgmstream->interleave_last_block_size = (read_32bitBE(0x08,streamFile) / 2 % vgmstream->interleave_block_size + 7) / 8 * 8;

    dsp_read_coefs_be(vgmstream,streamFile,0x20, 0x60);
    /* the initial history offset seems different thatn standard DSP and possibly always zero */

    vgmstream->meta_type = meta_WII_04SW;
    /* the rest of the header has unknown values (several repeats) and the filename */


    if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
        goto fail;
    return vgmstream;

fail:
    close_vgmstream(vgmstream);
    return NULL;
}
开发者ID:kode54，项目名称:vgmstream，代码行数:55，代码来源:wii_04sw.c

示例12: init_vgmstream_ps2_lpcm

/* LPCM (from Ah! My Goddess (PS2)) */
VGMSTREAM * init_vgmstream_ps2_lpcm(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("lpcm",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0,streamFile) != 0x4C50434D) /* LPCM */
        goto fail;
	    
    loop_flag = read_32bitLE(0x8,streamFile);
    channel_count = 2;

    /* 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;
    vgmstream->sample_rate = 48000;
    vgmstream->coding_type = coding_PCM16LE;
    vgmstream->num_samples = read_32bitLE(0x4,streamFile);
    if (loop_flag) {
       vgmstream->loop_start_sample = read_32bitLE(0x8,streamFile);
       vgmstream->loop_end_sample = read_32bitLE(0xc,streamFile);
    }
    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = 2;
    vgmstream->meta_type = meta_PS2_LPCM;
   
    /* 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;

fail:
    /* clean up anything we may have opened */
    if (vgmstream) close_vgmstream(vgmstream);
    return NULL;
}
开发者ID:jpmac26，项目名称:PGE-Project，代码行数:61，代码来源:ps2_lpcm.c

示例13: init_vgmstream_ps3_sgx

VGMSTREAM * init_vgmstream_ps3_sgx(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[260];
    off_t start_offset;
    int loop_flag = 0;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("sgx",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x00,streamFile) != 0x53475844) /* "SGXD" */
        goto fail;

    loop_flag = (read_32bitLE(0x44,streamFile) != 0xFFFFFFFF);
    channel_count = read_8bit(0x29,streamFile);
    
	/* build the VGMSTREAM */
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

	/* fill in the vital statistics */
    start_offset = read_32bitLE(0x4,streamFile);
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x2C,streamFile);
    vgmstream->coding_type = coding_PSX;
    vgmstream->num_samples = read_32bitLE(0xC,streamFile)/16/channel_count*28;
    if (loop_flag) {
        vgmstream->loop_start_sample = read_32bitLE(0x44,streamFile);
        vgmstream->loop_end_sample = read_32bitLE(0x48,streamFile);
    }

    vgmstream->layout_type = layout_interleave;
    vgmstream->interleave_block_size = read_32bitLE(0x8,streamFile);
    vgmstream->meta_type = meta_PS3_SGX;

    /* 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:Paxxi，项目名称:audiodecoder.vgmstream，代码行数:60，代码来源:ps3_sgh_sgb.c

示例14: init_vgmstream_bos_adp

/* ADP (from Balls of Steel) */
VGMSTREAM * init_vgmstream_bos_adp(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    char filename[PATH_LIMIT];
    off_t start_offset;
    int loop_flag = 0;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("adp",filename_extension(filename))) goto fail;

    /* check header */
    if (read_32bitBE(0x00,streamFile) != 0x41445021) /* "ADP!" */
        goto fail;

    loop_flag = (-1 != read_32bitLE(0x08,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 = 0x18;
	vgmstream->channels = channel_count;
    vgmstream->sample_rate = read_32bitLE(0x0C,streamFile);
    vgmstream->coding_type = coding_DVI_IMA;
    vgmstream->num_samples = read_32bitLE(0x04,streamFile);
    if (loop_flag) {
        vgmstream->loop_start_sample = read_32bitLE(0x08,streamFile);
        vgmstream->loop_end_sample = vgmstream->num_samples;
    }

    vgmstream->layout_type = layout_none;
    vgmstream->meta_type = meta_BOS_ADP;

    /* open the file for reading */
    {
        STREAMFILE * file;
        file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
        if (!file) goto fail;
        vgmstream->ch[0].streamfile = file;

        vgmstream->ch[0].channel_start_offset=
            vgmstream->ch[0].offset=start_offset;

        // 0x10, 0x12 - both initial history?
        //vgmstream->ch[0].adpcm_history1_32 = read_16bitLE(0x10,streamFile);
        // 0x14 - initial step index?
        //vgmstream->ch[0].adpcm_step_index = read_32bitLE(0x14,streamFile);
    }

    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:60，代码来源:pc_adp.c

示例15: init_vgmstream_acm

/* The real work is done by libacm */
VGMSTREAM * init_vgmstream_acm(STREAMFILE *streamFile) {
    VGMSTREAM * vgmstream = NULL;
    ACMStream *acm_stream = NULL;
    mus_acm_codec_data *data;

    char filename[260];

    int loop_flag = 0;
	int channel_count;

    /* check extension, case insensitive */
    streamFile->get_name(streamFile,filename,sizeof(filename));
    if (strcasecmp("acm",filename_extension(filename))) goto fail;

	/* check header */
    if (read_32bitBE(0x0,streamFile) != 0x97280301)
		goto fail;

    data = calloc(1,sizeof(mus_acm_codec_data));
    if (!data) goto fail;

    data->files = calloc(1,sizeof(ACMStream *));
    if (!data->files) {
        free(data); data = NULL;
        goto fail;
    }

    /* gonna do this a little backwards, open and parse the file
       before creating the vgmstream */

    if (acm_open_decoder(&acm_stream,streamFile,filename) != ACM_OK) {
        goto fail;
    }

    channel_count = acm_stream->info.channels;
    vgmstream = allocate_vgmstream(channel_count,loop_flag);
    if (!vgmstream) goto fail;

    vgmstream->channels = channel_count;
    vgmstream->sample_rate = acm_stream->info.rate;
    vgmstream->coding_type = coding_ACM;
    vgmstream->num_samples = acm_stream->total_values / acm_stream->info.channels;
    vgmstream->layout_type = layout_acm;
    vgmstream->meta_type = meta_ACM;

    data->file_count = 1;
    data->current_file = 0;
    data->files[0] = acm_stream;
    /*data->end_file = -1;*/

    vgmstream->codec_data = data;

    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:60，代码来源:acm.c


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