mirror of
https://github.com/vgmstream/vgmstream.git
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108 lines
4.3 KiB
C
108 lines
4.3 KiB
C
#include "meta.h"
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#include "../layout/layout.h"
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#include "../coding/coding.h"
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/* VAWX - found in feelplus games [No More Heroes: Heroes Paradise (PS3/X360), Moon Diver (PS3/X360)] */
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VGMSTREAM * init_vgmstream_vawx(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset, data_size;
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int loop_flag = 0, channel_count, codec;
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/* checks */
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/* .xwv: actual extension [Moon Diver (PS3/X360)]
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* .vawx: header id */
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if ( !check_extensions(streamFile, "xwv,vawx") )
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x56415758) /* "VAWX" */
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goto fail;
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loop_flag = read_8bit(0x37,streamFile);
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channel_count = read_8bit(0x39,streamFile);
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start_offset = 0x800; /* ? read_32bitLE(0x0c,streamFile); */
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codec = read_8bit(0x36,streamFile); /* could be at 0x38 too */
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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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/* 0x04: filesize */
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/* 0x16: file id */
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vgmstream->num_samples = read_32bitBE(0x3c,streamFile);
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vgmstream->sample_rate = read_32bitBE(0x40,streamFile);
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vgmstream->meta_type = meta_VAWX;
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switch(codec) {
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case 2: /* PS-ADPCM */
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = channel_count == 6 ? layout_blocked_vawx : layout_interleave;
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vgmstream->interleave_block_size = 0x10;
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vgmstream->loop_start_sample = read_32bitBE(0x44,streamFile);
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vgmstream->loop_end_sample = read_32bitBE(0x48,streamFile);
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break;
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#ifdef VGM_USE_FFMPEG
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case 1: { /* XMA2 */
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ffmpeg_codec_data *ffmpeg_data = NULL;
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uint8_t buf[0x100];
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int32_t bytes, block_size, block_count;
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data_size = get_streamfile_size(streamFile)-start_offset;
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block_size = 0x10000; /* VAWX default */
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block_count = (uint16_t)read_16bitBE(0x3A, streamFile); /* also at 0x56 */
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bytes = ffmpeg_make_riff_xma2(buf,0x100, vgmstream->num_samples, data_size, vgmstream->channels, vgmstream->sample_rate, block_count, block_size);
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ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,data_size);
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if ( !ffmpeg_data ) goto fail;
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vgmstream->codec_data = ffmpeg_data;
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vgmstream->coding_type = coding_FFmpeg;
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vgmstream->layout_type = layout_none;
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vgmstream->loop_start_sample = read_32bitBE(0x44,streamFile);
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vgmstream->loop_end_sample = read_32bitBE(0x48,streamFile);
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//todo fix loops/samples vs ATRAC3
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/* may be only applying end_skip to num_samples? */
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xma_fix_raw_samples(vgmstream, streamFile, start_offset,data_size, 0, 0,0);
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break;
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}
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case 7: { /* ATRAC3 */
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int block_align, encoder_delay;
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data_size = read_32bitBE(0x54,streamFile);
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block_align = 0x98 * vgmstream->channels;
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encoder_delay = 1024 + 69*2; /* observed default, matches XMA (needed as many files start with garbage) */
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vgmstream->num_samples = atrac3_bytes_to_samples(data_size, block_align) - encoder_delay; /* original samples break looping in some files otherwise */
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vgmstream->codec_data = init_ffmpeg_atrac3_raw(streamFile, start_offset,data_size, vgmstream->num_samples,vgmstream->channels,vgmstream->sample_rate, block_align, encoder_delay);
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if (!vgmstream->codec_data) goto fail;
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vgmstream->coding_type = coding_FFmpeg;
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vgmstream->layout_type = layout_none;
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/* set offset samples (offset 0 jumps to sample 0 > pre-applied delay, and offset end loops after sample end > adjusted delay) */
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vgmstream->loop_start_sample = atrac3_bytes_to_samples(read_32bitBE(0x44,streamFile), block_align); //- encoder_delay
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vgmstream->loop_end_sample = atrac3_bytes_to_samples(read_32bitBE(0x48,streamFile), block_align) - encoder_delay;
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break;
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}
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#endif
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default:
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goto fail;
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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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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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