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https://github.com/vgmstream/vgmstream.git
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Clean ADS code
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bnnm
parent
4e15ba517b
commit
1a73c574c0
@ -648,7 +648,7 @@ static const meta_info meta_info_list[] = {
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{meta_DSP_STD, "Standard Nintendo DSP header"},
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{meta_DSP_CSTR, "Namco Cstr header"},
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{meta_GCSW, "GCSW header"},
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{meta_PS2_SShd, "SShd header"},
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{meta_PS2_SShd, "Sony ADS header"},
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{meta_PS2_NPSF, "Namco Production Sound File (NPSF) header"},
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{meta_RWSD, "Nintendo RWSD header (single stream)"},
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{meta_RWAR, "Nintendo RWAR header (single RWAV stream)"},
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@ -1,201 +1,172 @@
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#include "meta.h"
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#include "../util.h"
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/* Sony .ADS with SShd & SSbd Headers */
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/* .ADS - Sony's "Audio Stream" format [Edit Racing (PS2), Evergrace II (PS2), Pri-Saga! Portable (PSP)] */
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VGMSTREAM * init_vgmstream_ps2_ads(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[PATH_LIMIT];
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int loop_flag=0;
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int channel_count;
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int loop_flag, channel_count;
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off_t start_offset;
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off_t check_offset;
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int32_t streamSize;
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size_t stream_size;
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uint32_t loop_start, loop_end;
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uint8_t testBuffer[0x10];
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uint8_t isPCM = 0;
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off_t readOffset = 0;
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off_t loopEnd = 0;
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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("ads",filename_extension(filename)) &&
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strcasecmp("ss2",filename_extension(filename))) goto fail;
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/* check SShd Header */
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if (read_32bitBE(0x00,streamFile) != 0x53536864)
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/* checks */
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/* .ads: actual extension
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* .ss2: demuxed videos (fake?)
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* .pcm: Taisho Mononoke Ibunroku (PS2)
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* .adx: Armored Core 3 (PS2) */
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if (!check_extensions(streamFile, "ads,ss2,pcm,adx"))
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goto fail;
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/* check SSbd Header */
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if (read_32bitBE(0x20,streamFile) != 0x53536264)
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if (read_32bitBE(0x00,streamFile) != 0x53536864 && /* "SShd" */
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read_32bitBE(0x20,streamFile) != 0x53536264) /* "SSbd" */
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goto fail;
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/* 0x04: header size, always 0x20 */
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/* check if file is not corrupt */
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/* check if file is not corrupt */ //todo ???
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/* seems the Gran Turismo 4 ADS files are considered corrupt,*/
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/* so I changed it to adapt the stream size if that's the case */
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/* instead of failing playing them at all*/
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streamSize = read_32bitLE(0x24,streamFile);
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if (get_streamfile_size(streamFile) < (size_t)(streamSize + 0x28))
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{
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streamSize = get_streamfile_size(streamFile) - 0x28;
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stream_size = read_32bitLE(0x24,streamFile); /* body size */
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if (stream_size + 0x28 >= get_streamfile_size(streamFile)) {
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stream_size = get_streamfile_size(streamFile) - 0x28;
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}
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/* check loop */
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if ((read_32bitLE(0x1C,streamFile) == 0xFFFFFFFF) ||
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((read_32bitLE(0x18,streamFile) == 0) && (read_32bitLE(0x1C,streamFile) == 0)))
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{
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/* check loop */
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loop_start = read_32bitLE(0x18,streamFile);
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loop_end = read_32bitLE(0x1C,streamFile);
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//todo should loop if loop_start > 0 and loop_end == -1
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if ((loop_end == 0xFFFFFFFF) || (loop_start == 0 && loop_end == 0)) {
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loop_flag = 0;
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}
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else
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{
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else {
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loop_flag = 1;
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}
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channel_count=read_32bitLE(0x10,streamFile);
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channel_count = read_32bitLE(0x10,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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/* fill in the vital statistics */
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vgmstream->channels = read_32bitLE(0x10,streamFile);
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vgmstream->sample_rate = read_32bitLE(0x0C,streamFile);
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/* Check for Compression Scheme */
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vgmstream->coding_type = coding_PSX;
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vgmstream->num_samples = ((streamSize-0x40)/16*28)/vgmstream->channels;
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/* SS2 container with RAW Interleaved PCM */
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if (read_32bitLE(0x08,streamFile)!=0x10)
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{
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vgmstream->coding_type=coding_PCM16LE;
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vgmstream->num_samples = streamSize/2/vgmstream->channels;
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//todo use proper flags
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if (read_32bitLE(0x08,streamFile)!=0x10) {
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->num_samples = stream_size/2/vgmstream->channels;
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} else {
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vgmstream->coding_type = coding_PSX;
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vgmstream->num_samples = ((stream_size-0x40)/16*28)/vgmstream->channels; //todo don't - 0x40?
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}
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vgmstream->interleave_block_size = read_32bitLE(0x14,streamFile);
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vgmstream->interleave_block_size = read_32bitLE(0x14,streamFile); /* set even in mono */
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vgmstream->layout_type = layout_interleave;
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vgmstream->meta_type = meta_PS2_SShd;
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/* Get loop point values */
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if(vgmstream->loop_flag) {
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if((read_32bitLE(0x1C,streamFile)*0x10*vgmstream->channels+0x800)==get_streamfile_size(streamFile))
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{
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// Search for Loop Value
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readOffset=(off_t)get_streamfile_size(streamFile)-(4*vgmstream->interleave_block_size);
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/* loops */
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if (vgmstream->loop_flag) {
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if ((loop_end*0x10*vgmstream->channels+0x800) == get_streamfile_size(streamFile)) {
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/* full loop? */ //todo needed???
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uint8_t testBuffer[0x10];
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off_t readOffset = 0, loopEndOffset = 0;
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readOffset = (off_t)get_streamfile_size(streamFile)-(4*vgmstream->interleave_block_size);
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do {
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readOffset+=(off_t)read_streamfile(testBuffer,readOffset,0x10,streamFile);
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readOffset += (off_t)read_streamfile(testBuffer,readOffset,0x10,streamFile);
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// Loop End ...
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if(testBuffer[0x01]==0x01) {
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if(loopEnd==0) loopEnd = readOffset-0x10;
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if(loopEndOffset==0)
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loopEndOffset = readOffset-0x10;
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break;
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}
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} while (streamFile->get_offset(streamFile)<(int32_t)get_streamfile_size(streamFile));
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = (loopEnd/(vgmstream->interleave_block_size)*vgmstream->interleave_block_size)/16*28;
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vgmstream->loop_end_sample += (loopEnd%vgmstream->interleave_block_size)/16*28;
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vgmstream->loop_end_sample = (loopEndOffset/(vgmstream->interleave_block_size)*vgmstream->interleave_block_size)/16*28;
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vgmstream->loop_end_sample += (loopEndOffset%vgmstream->interleave_block_size)/16*28;
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vgmstream->loop_end_sample /=vgmstream->channels;
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} else {
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if(read_32bitLE(0x1C,streamFile)<=vgmstream->num_samples) {
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vgmstream->loop_start_sample = read_32bitLE(0x18,streamFile);
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vgmstream->loop_end_sample = read_32bitLE(0x1C,streamFile);
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}
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else {
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if (loop_end <= vgmstream->num_samples) {
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/* assume loops are samples */
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vgmstream->loop_start_sample = loop_start;
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vgmstream->loop_end_sample = loop_end;
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} else {
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vgmstream->loop_start_sample = (read_32bitLE(0x18,streamFile)*0x10)/16*28/vgmstream->channels;;
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vgmstream->loop_end_sample = (read_32bitLE(0x1C,streamFile)*0x10)/16*28/vgmstream->channels;
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/* assume loops are addresses (official definition) */ //todo use interleave instead of 0x10?
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vgmstream->loop_start_sample = (loop_start*0x10)/16*28/vgmstream->channels;
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vgmstream->loop_end_sample = (loop_end*0x10)/16*28/vgmstream->channels;
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}
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}
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}
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/* don't know why, but it does happen, in ps2 too :( */
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if (vgmstream->loop_end_sample > vgmstream->num_samples)
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vgmstream->loop_end_sample = vgmstream->num_samples;
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{
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start_offset=0x28;
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/* don't know why, but it does happen, in ps2 too :( */ //todo what
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if (vgmstream->loop_end_sample > vgmstream->num_samples)
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vgmstream->loop_end_sample = vgmstream->num_samples;
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}
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if ((streamSize * 2) == (get_streamfile_size(streamFile) - 0x18))
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{
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// True Fortune PS2
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streamSize = (read_32bitLE(0x24,streamFile) * 2) - 0x10;
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vgmstream->num_samples = streamSize / 16 * 28 / vgmstream->channels;
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/* adjust */
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start_offset = 0x28;
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if ((stream_size * 2) == (get_streamfile_size(streamFile) - 0x18)) {
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/* True Fortune (PS2) with weird stream size */ //todo try to move
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stream_size = (read_32bitLE(0x24,streamFile) * 2) - 0x10;
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vgmstream->num_samples = stream_size / 16 * 28 / vgmstream->channels;
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}
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else if(get_streamfile_size(streamFile) - read_32bitLE(0x24,streamFile) >= 0x800)
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{
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// Hack for files with start_offset = 0x800
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start_offset=0x800;
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else if(get_streamfile_size(streamFile) - read_32bitLE(0x24,streamFile) >= 0x800) {
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/* Hack for files with start_offset = 0x800 (ex. Taisho Mononoke Ibunroku) */
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start_offset = 0x800;
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}
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if((vgmstream->coding_type == coding_PSX) && (start_offset==0x28))
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{
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start_offset=0x800;
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if (vgmstream->coding_type == coding_PSX && start_offset == 0x28) {
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int i;
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start_offset = 0x800;
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for(i=0;i<0x1f6;i+=4)
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{
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if(read_32bitLE(0x28+(i*4),streamFile)!=0)
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{
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start_offset=0x28;
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for (i=0; i < 0x1f6; i += 4) {
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if (read_32bitLE(0x28+(i*4),streamFile)!=0) {
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start_offset = 0x28;
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break;
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}
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}
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}
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// check if we got a real pcm (ex: Clock Tower 3)
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if(vgmstream->coding_type==coding_PCM16LE)
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{
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check_offset=start_offset;
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do
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{
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if(read_8bit(check_offset+1,streamFile)>7)
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{
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//todo should adjust num samples after changing start_offset and stream_size?
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/* check if we got a real pcm by checking PS-ADPCM flags (ex: Clock Tower 3) */
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//todo check format 0x02 instead
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if (vgmstream->coding_type==coding_PCM16LE) {
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uint8_t isPCM = 0;
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off_t check_offset;
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check_offset = start_offset;
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do {
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if (read_8bit(check_offset+1,streamFile)>7) {
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isPCM=1;
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break;
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}
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else
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{
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else {
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check_offset+=0x10;
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}
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} while (check_offset<get_streamfile_size(streamFile));
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if(!isPCM)
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{
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if (!isPCM) {
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vgmstream->num_samples=(get_streamfile_size(streamFile)-start_offset)/16*28/vgmstream->channels;
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vgmstream->coding_type=coding_PSX;
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}
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}
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/* expect pcm format allways start @ 0x800, don't know if it's true :P */
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/*if(vgmstream->coding_type == coding_PCM16LE)
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start_offset=0x800;*/
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/* open the file for reading by each channel */
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{
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,0x8000);
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if (!vgmstream->ch[i].streamfile) goto fail;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=
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(off_t)(start_offset+vgmstream->interleave_block_size*i);
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}
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}
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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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