139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* .smp - Terminal Reality's Infernal Engine 'samples' [Ghostbusters: The Video Game (PS2/PS3/X360/PC/PSP), Chandragupta (PS2/PSP)] */
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VGMSTREAM* init_vgmstream_smp(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset, extra_offset;
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int loop_flag, channels, sample_rate, codec, version, num_samples, bps;
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size_t data_size;
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/* checks */
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version = read_u32le(0x00,sf);
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if (version != 0x05 && /* Ghostbusters (PS2), Mushroom Men (Wii) */
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version != 0x06 && /* Ghostbusters (PS3/X360/PC) */
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version != 0x07 && /* Ghostbusters (PSP) */
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version != 0x08) /* Def Jam Rapstar (X360), Chandragupta (PS2/PSP), Street Cricket Champions 1/2 (PSP), Guilty Party (Wii) */
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goto fail;
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/* .smp: common
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* .snb: Def Jam Rapstar (X360)-few files */
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if (!check_extensions(sf, "smp,snb"))
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goto fail;
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/* 0x04~14: guid? */
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if (read_u32le(0x14,sf) != 0) /* reserved? */
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goto fail;
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num_samples = read_s32le(0x18,sf);
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start_offset = read_u32le(0x1c,sf);
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data_size = read_u32le(0x20,sf);
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codec = read_u32le(0x24,sf);
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if (start_offset + data_size != get_streamfile_size(sf))
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goto fail;
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/* smaller header found in Guilty Party (Wii) */
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if (version == 0x08 && start_offset == 0x80) {
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channels = read_u8(0x28,sf);
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bps = read_u8(0x29,sf);
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sample_rate = read_u16le(0x2a,sf);
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extra_offset = 0x2c; /* coefs only */
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}
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else {
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channels = read_u32le(0x28,sf);
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bps = read_u32le(0x2c,sf);
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sample_rate = read_u32le(0x30,sf);
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extra_offset = 0x34 + 0x1c; /* standard DSP header, but LE */
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}
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loop_flag = 0;
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if (start_offset + data_size != get_streamfile_size(sf))
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goto fail;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channels, loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_SMP;
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vgmstream->sample_rate = sample_rate;
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vgmstream->num_samples = num_samples;
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switch(codec) {
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#ifdef VGM_USE_FFMPEG
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case 0x01: {
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int block_align, encoder_delay;
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if (bps != 16) goto fail;
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block_align = 0x98 * vgmstream->channels;
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encoder_delay = 0; /* 1024 looks ok, but num_samples needs to be adjusted too */
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vgmstream->codec_data = init_ffmpeg_atrac3_raw(sf, 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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break;
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}
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#endif
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case 0x02:
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if (bps != 4) goto fail;
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if (channels > 1) goto fail; /* not known */
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_none;
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dsp_read_coefs_le(vgmstream, sf, extra_offset, 0x00);
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//todo adpcm hist
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break;
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case 0x04:
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if (bps != 4) goto fail;
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if (!msadpcm_check_coefs(sf, 0x36))
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goto fail;
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vgmstream->coding_type = coding_MSADPCM;
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vgmstream->layout_type = layout_none;
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vgmstream->frame_size = 0x86*channels;
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break;
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case 0x06:
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if (bps != 4) goto fail;
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if (channels > 1) goto fail; /* not known */
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_none;
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break;
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#ifdef VGM_USE_FFMPEG
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case 0x07: {
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int block_size, block_count;
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if (bps != 16) goto fail;
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/* 0x34(0x28): XMA config/table? (unknown format) */
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block_size = read_u16le(0x3e,sf);
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block_count = read_u16le(0x54,sf);
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vgmstream->codec_data = init_ffmpeg_xma2_raw(sf, start_offset, data_size, vgmstream->num_samples, vgmstream->channels, vgmstream->sample_rate, block_size, block_count);
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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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//xma_fix_raw_samples(vgmstream, sf, start_offset,data_size, 0, ); //todo
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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, sf, 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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