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https://github.com/vgmstream/vgmstream.git
synced 2024-12-01 01:27:20 +01:00
Clean THP
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bnnm
parent
eb320585d5
commit
7bc17a0550
@ -5,27 +5,37 @@
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void block_update_thp(off_t block_offset, VGMSTREAM *vgmstream) {
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int i, j;
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STREAMFILE *streamFile = vgmstream->ch[0].streamfile;
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off_t start_offset;
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int32_t nextFrameSize;
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off_t audio_offset;
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size_t next_block_size, video_size;
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next_block_size = read_32bitBE(block_offset + 0x00, streamFile);
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/* 0x04: frame size previous */
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video_size = read_32bitBE(block_offset + 0x08,streamFile);
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/* 0x0c: audio size */
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audio_offset = block_offset + 0x10 + video_size;
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vgmstream->current_block_offset = block_offset;
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nextFrameSize=read_32bitBE(vgmstream->current_block_offset,streamFile);
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vgmstream->next_block_offset = block_offset + vgmstream->full_block_size;
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vgmstream->full_block_size = next_block_size;
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vgmstream->next_block_offset = vgmstream->current_block_offset
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+ vgmstream->full_block_size;
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vgmstream->full_block_size = nextFrameSize;
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/* block samples can be smaller than block size, normally in the last block,
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* but num_samples already takes that into account, so there is no real difference */
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vgmstream->current_block_size = read_32bitBE(audio_offset + 0x00, streamFile);
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vgmstream->current_block_samples = read_32bitBE(audio_offset + 0x04, streamFile);
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start_offset=vgmstream->current_block_offset
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+ read_32bitBE(vgmstream->current_block_offset+0x08,streamFile)+0x10;
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vgmstream->current_block_size=read_32bitBE(start_offset,streamFile);
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start_offset+=8;
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audio_offset += 0x08;
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for (i = 0; i < vgmstream->channels; i++) {
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off_t coef_offset = audio_offset + i*0x20;
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off_t hist_offset = audio_offset + vgmstream->channels*0x20 + i*0x04;
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off_t data_offset = audio_offset + vgmstream->channels*0x24 + i*vgmstream->current_block_size;
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for (j = 0; j < 16; j++) {
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vgmstream->ch[i].adpcm_coef[j]=read_16bitBE(start_offset+(i*0x20)+(j*2),streamFile);
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vgmstream->ch[i].adpcm_coef[j] = read_16bitBE(coef_offset + (j*0x02),streamFile);
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}
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vgmstream->ch[i].adpcm_history1_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4),streamFile);
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vgmstream->ch[i].adpcm_history2_16=read_16bitBE(start_offset + (0x20*vgmstream->channels) + (i*4) + 2,streamFile);
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vgmstream->ch[i].offset = start_offset + (0x24*vgmstream->channels)+(i*vgmstream->current_block_size);
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vgmstream->ch[i].adpcm_history1_16 = read_16bitBE(hist_offset + 0x00,streamFile);
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vgmstream->ch[i].adpcm_history2_16 = read_16bitBE(hist_offset + 0x02,streamFile);
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vgmstream->ch[i].offset = data_offset;
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}
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}
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143
src/meta/thp.c
143
src/meta/thp.c
@ -1,103 +1,100 @@
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#include "meta.h"
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#include "../layout/layout.h"
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#include "../util.h"
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/* THP (Just play audio from .thp movie file)
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by fastelbja */
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/* THP - Nintendo movie format found in GC/Wii games */
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VGMSTREAM* init_vgmstream_thp(STREAMFILE *streamFile) {
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VGMSTREAM *vgmstream = NULL;
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char filename[PATH_LIMIT];
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off_t start_offset;
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uint32_t maxAudioSize=0;
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uint32_t numComponents;
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off_t componentTypeOffset;
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off_t componentDataOffset;
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char thpVersion;
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int loop_flag;
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int channel_count=-1;
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off_t start_offset, component_type_offset, component_data_offset;
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uint32_t version, max_audio_size;
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int num_components;
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int loop_flag, channel_count;
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int i;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("thp",filename_extension(filename)) &&
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strcasecmp("dsp",filename_extension(filename))) goto fail;
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/* check header */
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if (read_32bitBE(0x00,streamFile) != 0x54485000)
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/* checks */
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/* .thp: actual extension
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* .dsp: fake extension?
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* (extensionless): Fragile (Wii) */
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if (!check_extensions(streamFile, "thp,dsp,"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x54485000) /* "THP\0" */
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goto fail;
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maxAudioSize = read_32bitBE(0x0C,streamFile);
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thpVersion = read_8bit(0x06,streamFile);
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version = read_32bitBE(0x04,streamFile); /* 16b+16b major/minor */
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/* 0x08: max buffer size */
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max_audio_size = read_32bitBE(0x0C,streamFile);
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/* 0x10: fps in float */
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/* 0x14: block count */
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/* 0x18: first block size */
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/* 0x1c: data size */
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if(maxAudioSize==0) // no sound
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if (version != 0x00010000 && version != 0x00011000) /* v1.0 (~2002) or v1.1 (rest) */
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goto fail;
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if (max_audio_size == 0) /* no sound */
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goto fail;
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loop_flag = 0; // allways unloop
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/* fill in the vital statistics */
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if(thpVersion==0x10) {
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start_offset = read_32bitBE(0x24,streamFile);
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/* No idea what's up with this */
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if (start_offset == 0)
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start_offset = read_32bitBE(0x28,streamFile);
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} else
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component_type_offset = read_32bitBE(0x20,streamFile);
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/* 0x24: block offsets table offset (optional, for seeking) */
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start_offset = read_32bitBE(0x28,streamFile);
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/* 0x2c: last block offset */
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// Get info from the first block
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componentTypeOffset = read_32bitBE(0x20,streamFile);
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numComponents = read_32bitBE(componentTypeOffset ,streamFile);
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componentDataOffset=componentTypeOffset+0x14;
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componentTypeOffset+=4;
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/* first component "type" x16 then component headers */
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num_components = read_32bitBE(component_type_offset,streamFile);
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component_type_offset += 0x04;
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component_data_offset = component_type_offset + 0x10;
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/* parse "component" (data that goes into blocks) */
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for (i = 0; i < num_components; i++) {
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int type = read_8bit(component_type_offset + i,streamFile);
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if (type == 0x00) { /* video */
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if (version == 0x00010000)
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component_data_offset += 0x08; /* width + height */
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else
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component_data_offset += 0x0c; /* width + height + format? */
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}
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else if (type == 0x01) { /* audio */
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/* parse below */
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#if 0
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if (version == 0x00010000)
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component_data_offset += 0x0c; /* channels + sample rate + samples */
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else
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component_data_offset += 0x10; /* channels + sample rate + samples + format? */
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#endif
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break;
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}
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else { /* 0xFF / no data (reserved as THP is meant to be extensible) */
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goto fail;
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}
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}
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/* official docs remark original's audio is adjusted to match GC's hardware rate
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* (48000 > 48043 / 32000 > 32028), not sure if that means ouput sample rate should
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* adjusted, but we can't detect Wii (non adjusted) .thp tho */
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loop_flag = 0;
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channel_count = read_32bitBE(component_data_offset + 0x00,streamFile);
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for(i=0;i<numComponents;i++) {
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if(read_8bit(componentTypeOffset+i,streamFile)==1) {
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channel_count=read_32bitBE(componentDataOffset,streamFile);
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->channels=channel_count;
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vgmstream->sample_rate=read_32bitBE(componentDataOffset+4,streamFile);
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vgmstream->num_samples=read_32bitBE(componentDataOffset+8,streamFile);
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break;
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} else {
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if(thpVersion==0x10)
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componentDataOffset+=0x0c;
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else
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componentDataOffset+=0x08;
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}
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}
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/* open the file for reading */
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{
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int i;
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STREAMFILE * file;
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file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (!file) goto fail;
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = file;
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}
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}
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vgmstream->full_block_size = read_32bitBE(0x18,streamFile); /* block size of current block, changes every time */
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block_update_thp(start_offset,vgmstream);
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vgmstream->sample_rate = read_32bitBE(component_data_offset + 0x04,streamFile);
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vgmstream->num_samples = read_32bitBE(component_data_offset + 0x08,streamFile);
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vgmstream->meta_type = meta_THP;
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_blocked_thp;
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vgmstream->meta_type = meta_THP;
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/* coefs are in every block */
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vgmstream->full_block_size = read_32bitBE(0x18,streamFile); /* next block size */
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if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
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goto fail;
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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close_vgmstream(vgmstream);
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return NULL;
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}
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