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478 lines
15 KiB
C
478 lines
15 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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#include "../layout/layout.h"
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#include "opus_interleave_streamfile.h"
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/* Nintendo OPUS - from Switch games, including header variations (not the same as Ogg Opus) */
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static VGMSTREAM* init_vgmstream_opus(STREAMFILE* sf, meta_t meta_type, off_t offset, int32_t num_samples, int32_t loop_start, int32_t loop_end) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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int loop_flag = 0, channel_count;
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off_t data_offset, multichannel_offset = 0;
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size_t data_size, skip = 0;
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if (read_u32le(offset + 0x00,sf) != 0x80000001)
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goto fail;
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channel_count = read_u8(offset + 0x09, sf);
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/* 0x0a: packet size if CBR, 0 if VBR */
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data_offset = offset + read_u32le(offset + 0x10, sf);
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skip = read_u16le(offset + 0x1c, sf);
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/* 0x1e: ? (seen in Lego Movie 2 (Switch)) */
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/* recent >2ch info [Clannad (Switch)] */
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if (read_u32le(offset + 0x20, sf) == 0x80000005) {
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multichannel_offset = offset + 0x20;
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}
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if (read_u32le(data_offset, sf) != 0x80000004)
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goto fail;
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data_size = read_u32le(data_offset + 0x04, sf);
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start_offset = data_offset + 0x08;
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loop_flag = (loop_end > 0); /* -1 when not set */
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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->meta_type = meta_type;
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vgmstream->sample_rate = read_u32le(offset + 0x0c,sf);
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if (vgmstream->sample_rate == 16000)
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vgmstream->sample_rate = 48000; // Grandia HD Collection contains a false sample_rate in header
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vgmstream->num_samples = num_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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vgmstream->stream_size = data_size; /* to avoid inflated sizes from fake OggS IO */
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#ifdef VGM_USE_FFMPEG
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{
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opus_config cfg = {0};
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cfg.channels = vgmstream->channels;
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cfg.skip = skip;
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cfg.sample_rate = vgmstream->sample_rate;
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if (multichannel_offset && vgmstream->channels <= 8) {
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int i;
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cfg.stream_count = read_u8(multichannel_offset + 0x08,sf);
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cfg.coupled_count = read_u8(multichannel_offset + 0x09,sf);
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for (i = 0; i < vgmstream->channels; i++) {
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cfg.channel_mapping[i] = read_u8(multichannel_offset + 0x0a + i,sf);
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}
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}
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vgmstream->codec_data = init_ffmpeg_switch_opus_config(sf, start_offset,data_size, &cfg);
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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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vgmstream->channel_layout = ffmpeg_get_channel_layout(vgmstream->codec_data);
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if (vgmstream->num_samples == 0) {
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vgmstream->num_samples = switch_opus_get_samples(start_offset, data_size, sf) - skip;
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}
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}
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#else
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goto fail;
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#endif
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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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/* standard Switch Opus, Nintendo header + raw data (generated by opus_test.c?) [Lego City Undercover (Switch)] */
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VGMSTREAM* init_vgmstream_opus_std(STREAMFILE* sf) {
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STREAMFILE* psi_sf = NULL;
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off_t offset;
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int num_samples, loop_start, loop_end;
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/* checks */
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/* .opus: standard
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* .bgm: Cotton Reboot (Switch) */
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if (!check_extensions(sf,"opus,lopus,bgm"))
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goto fail;
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offset = 0x00;
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/* BlazBlue: Cross Tag Battle (Switch) PSI Metadata for corresponding Opus */
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/* Maybe future Arc System Works games will use this too? */
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psi_sf = open_streamfile_by_ext(sf, "psi");
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if (psi_sf) {
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num_samples = read_s32le(0x8C, psi_sf);
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loop_start = read_s32le(0x84, psi_sf);
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loop_end = read_s32le(0x88, psi_sf);
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close_streamfile(psi_sf);
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}
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else {
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num_samples = 0;
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loop_start = 0;
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loop_end = 0;
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}
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples,loop_start,loop_end);
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fail:
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return NULL;
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}
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/* Nippon1 variation [Disgaea 5 (Switch)] */
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VGMSTREAM* init_vgmstream_opus_n1(STREAMFILE* sf) {
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off_t offset;
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int num_samples, loop_start, loop_end;
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/* checks */
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if ( !check_extensions(sf,"opus,lopus"))
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goto fail;
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if (!((read_32bitBE(0x04,sf) == 0x00000000 && read_32bitBE(0x0c,sf) == 0x00000000) ||
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(read_32bitBE(0x04,sf) == 0xFFFFFFFF && read_32bitBE(0x0c,sf) == 0xFFFFFFFF)))
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goto fail;
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offset = 0x10;
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num_samples = 0;
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loop_start = read_32bitLE(0x00,sf);
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loop_end = read_32bitLE(0x08,sf);
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples,loop_start,loop_end);
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fail:
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return NULL;
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}
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/* Capcom variation [Ultra Street Fighter II (Switch), Resident Evil: Revelations (Switch)] */
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VGMSTREAM* init_vgmstream_opus_capcom(STREAMFILE* sf) {
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VGMSTREAM *vgmstream = NULL;
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off_t offset;
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int num_samples, loop_start, loop_end;
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int channel_count;
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/* checks */
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if ( !check_extensions(sf,"opus,lopus"))
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goto fail;
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channel_count = read_32bitLE(0x04,sf);
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if (channel_count != 1 && channel_count != 2 && channel_count != 6)
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goto fail; /* unknown stream layout */
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num_samples = read_32bitLE(0x00,sf);
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/* 0x04: channels, >2 uses interleaved streams (2ch+2ch+2ch) */
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loop_start = read_32bitLE(0x08,sf);
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loop_end = read_32bitLE(0x0c,sf);
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/* 0x10: frame size (with extra data) */
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/* 0x14: extra chunk count */
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/* 0x18: null */
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offset = read_32bitLE(0x1c,sf);
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/* 0x20-8: config? (0x0077C102 04000000 E107070C) */
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/* 0x2c: some size? */
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/* 0x30+: extra chunks (0x00: 0x7f, 0x04: num_sample), alt loop starts/regions? */
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if (channel_count == 6) {
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/* 2ch multistream hacky-hacks in RE:RE, don't try this at home. We'll end up with:
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* main vgmstream > N vgmstream layers > substream IO deinterleaver > opus meta > Opus IO transmogrifier (phew) */
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layered_layout_data* data = NULL;
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int layers = channel_count / 2;
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int i;
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int loop_flag = (loop_end > 0);
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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->layout_type = layout_layered;
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/* init layout */
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data = init_layout_layered(layers);
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if (!data) goto fail;
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vgmstream->layout_data = data;
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/* open each layer subfile */
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for (i = 0; i < layers; i++) {
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STREAMFILE* temp_sf = setup_opus_interleave_streamfile(sf, offset, i, layers);
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if (!temp_sf) goto fail;
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data->layers[i] = init_vgmstream_opus(temp_sf, meta_OPUS, 0x00, num_samples,loop_start,loop_end);
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close_streamfile(temp_sf);
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if (!data->layers[i]) goto fail;
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}
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/* setup layered VGMSTREAMs */
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if (!setup_layout_layered(data))
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goto fail;
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vgmstream->sample_rate = data->layers[0]->sample_rate;
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vgmstream->num_samples = data->layers[0]->num_samples;
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vgmstream->loop_start_sample = data->layers[0]->loop_start_sample;
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vgmstream->loop_end_sample = data->layers[0]->loop_end_sample;
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vgmstream->meta_type = meta_OPUS;
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vgmstream->coding_type = data->layers[0]->coding_type;
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return vgmstream;
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}
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else {
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples,loop_start,loop_end);
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}
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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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/* Procyon Studio variation [Xenoblade Chronicles 2 (Switch)] */
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VGMSTREAM* init_vgmstream_opus_nop(STREAMFILE* sf) {
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off_t offset;
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int num_samples, loop_start = 0, loop_end = 0, loop_flag;
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/* checks */
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if (!check_extensions(sf,"nop"))
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goto fail;
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if (read_32bitBE(0x00, sf) != 0x73616466 || /* "sadf" */
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read_32bitBE(0x08, sf) != 0x6f707573) /* "opus" */
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goto fail;
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offset = read_32bitLE(0x1c, sf);
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num_samples = read_32bitLE(0x28, sf);
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loop_flag = read_8bit(0x19, sf);
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if (loop_flag) {
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loop_start = read_32bitLE(0x2c, sf);
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loop_end = read_32bitLE(0x30, sf);
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}
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples,loop_start,loop_end);
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fail:
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return NULL;
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}
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/* Shin'en variation [Fast RMX (Switch)] */
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VGMSTREAM* init_vgmstream_opus_shinen(STREAMFILE* sf) {
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off_t offset = 0;
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int num_samples, loop_start, loop_end;
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/* checks */
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if ( !check_extensions(sf,"opus,lopus"))
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goto fail;
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if (read_32bitBE(0x08,sf) != 0x01000080)
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goto fail;
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offset = 0x08;
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num_samples = 0;
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loop_start = read_32bitLE(0x00,sf);
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loop_end = read_32bitLE(0x04,sf); /* 0 if no loop */
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if (loop_start > loop_end)
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goto fail; /* just in case */
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples,loop_start,loop_end);
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fail:
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return NULL;
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}
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/* Bandai Namco Opus (found in NUS3Banks) [Taiko no Tatsujin: Nintendo Switch Version!] */
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VGMSTREAM* init_vgmstream_opus_nus3(STREAMFILE* sf) {
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off_t offset = 0;
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int num_samples = 0, loop_start = 0, loop_end = 0, loop_flag;
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/* checks */
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/* .opus: header ID (they only exist inside .nus3bank) */
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if (!check_extensions(sf, "opus,lopus"))
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goto fail;
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if (read_32bitBE(0x00, sf) != 0x4F505553) /* "OPUS" */
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goto fail;
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/* Here's an interesting quirk, OPUS header contains big endian values
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while the Nintendo Opus header and data that follows remain little endian as usual */
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offset = read_32bitBE(0x20, sf);
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num_samples = read_32bitBE(0x08, sf);
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/* Check if there's a loop end value to determine loop_flag*/
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loop_flag = read_32bitBE(0x18, sf);
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if (loop_flag) {
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loop_start = read_32bitBE(0x14, sf);
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loop_end = read_32bitBE(0x18, sf);
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}
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples, loop_start, loop_end);
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fail:
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return NULL;
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}
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/* Nippon Ichi SPS wrapper (non-segmented) [Ys VIII: Lacrimosa of Dana (Switch)] */
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VGMSTREAM* init_vgmstream_opus_sps_n1(STREAMFILE* sf) {
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off_t offset;
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int num_samples, loop_start = 0, loop_end = 0, loop_flag;
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/* checks */
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/* .sps: Labyrinth of Refrain: Coven of Dusk (Switch)
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* .nlsd: Disgaea Refine (Switch), Ys VIII (Switch)
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* .at9: void tRrLM(); //Void Terrarium (Switch) */
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if (!check_extensions(sf, "sps,nlsd,at9"))
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goto fail;
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if (read_32bitBE(0x00, sf) != 0x09000000) /* file type (see other N1 SPS) */
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goto fail;
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num_samples = read_32bitLE(0x0C, sf);
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if (read_32bitBE(0x1c, sf) == 0x01000080) {
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offset = 0x1C;
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/* older games loop section (remnant of segmented opus_sps_n1): */
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loop_start = read_32bitLE(0x10, sf); /* intro samples */
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loop_end = loop_start + read_32bitLE(0x14, sf); /* loop samples */
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/* 0x18: end samples (all must add up to num_samples) */
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loop_flag = read_32bitLE(0x18, sf); /* with loop disabled only loop_end has a value */
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}
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else {
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offset = 0x18;
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/* newer games loop section: */
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loop_start = read_32bitLE(0x10, sf);
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loop_end = read_32bitLE(0x14, sf);
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loop_flag = loop_start != loop_end; /* with loop disabled start and end are the same as num samples */
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}
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if (!loop_flag) {
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loop_start = 0;
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loop_end = 0;
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}
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples, loop_start, loop_end);
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fail:
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return NULL;
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}
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/* AQUASTYLE wrapper [Touhou Genso Wanderer -Reloaded- (Switch)] */
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VGMSTREAM* init_vgmstream_opus_opusx(STREAMFILE* sf) {
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off_t offset;
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int num_samples, loop_start = 0, loop_end = 0;
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float modifier;
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/* checks */
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if (!check_extensions(sf, "opusx"))
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goto fail;
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if (read_32bitBE(0x00, sf) != 0x4F505553) /* "OPUS" */
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goto fail;
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offset = 0x10;
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/* values are for the original 44100 files, but Opus resamples to 48000 */
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modifier = 48000.0f / 44100.0f;
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num_samples = 0;//read_32bitLE(0x04, sf) * modifier; /* better use calc'd num_samples */
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loop_start = read_32bitLE(0x08, sf) * modifier;
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loop_end = read_32bitLE(0x0c, sf) * modifier;
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/* resampling calcs are slighly off and may to over num_samples, but by removing delay seems ok */
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if (loop_start >= 120) {
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loop_start -= 128;
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loop_end -= 128;
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}
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else {
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loop_end = 0;
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}
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples, loop_start, loop_end);
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fail:
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return NULL;
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}
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/* Prototype variation [Clannad (Switch)] */
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VGMSTREAM* init_vgmstream_opus_prototype(STREAMFILE* sf) {
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off_t offset = 0;
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int num_samples = 0, loop_start = 0, loop_end = 0, loop_flag;
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/* checks */
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if (!check_extensions(sf, "opus,lopus"))
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goto fail;
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if (read_32bitBE(0x00, sf) != 0x4F505553 || /* "OPUS" */
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read_32bitBE(0x18, sf) != 0x01000080)
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goto fail;
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offset = 0x18;
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num_samples = read_32bitLE(0x08, sf);
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/* Check if there's a loop end value to determine loop_flag*/
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loop_flag = read_32bitLE(0x10, sf);
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if (loop_flag) {
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loop_start = read_32bitLE(0x0C, sf);
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loop_end = read_32bitLE(0x10, sf);
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}
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples, loop_start, loop_end);
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fail:
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return NULL;
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}
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/* Edelweiss variation [Astebreed (Switch)] */
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VGMSTREAM* init_vgmstream_opus_opusnx(STREAMFILE* sf) {
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off_t offset = 0;
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int num_samples = 0, loop_start = 0, loop_end = 0;
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/* checks */
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if (!check_extensions(sf, "opus,lopus"))
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goto fail;
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if (read_64bitBE(0x00, sf) != 0x4F5055534E580000) /* "OPUSNX\0\0" */
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goto fail;
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offset = 0x10;
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num_samples = 0; //read_32bitLE(0x08, sf); /* samples with encoder delay */
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if (read_32bitLE(0x0c, sf) != 0)
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goto fail;
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples, loop_start, loop_end);
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fail:
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return NULL;
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}
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/* Edelweiss variation [Sakuna: Of Rice and Ruin (Switch)] */
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VGMSTREAM* init_vgmstream_opus_nsopus(STREAMFILE* sf) {
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off_t offset = 0;
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int num_samples = 0, loop_start = 0, loop_end = 0;
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/* checks */
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if (!check_extensions(sf, "nsopus"))
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goto fail;
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if (read_u32be(0x00, sf) != 0x45574E4F) /* "EWNO" */
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goto fail;
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offset = 0x08;
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num_samples = 0; //read_32bitLE(0x08, sf); /* samples without encoder delay? (lower than count) */
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return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples, loop_start, loop_end);
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fail:
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return NULL;
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}
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/* Square Enix variation [Dragon Quest I-III (Switch)] */
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VGMSTREAM* init_vgmstream_opus_sqex(STREAMFILE* sf) {
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off_t offset = 0;
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int num_samples = 0, loop_start = 0, loop_end = 0, loop_flag;
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/* checks */
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/* .wav: default
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* .opus: fake? */
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if (!check_extensions(sf, "wav,lwav,opus,lopus"))
|
|
goto fail;
|
|
if (read_u32be(0x00, sf) != 0x01000000)
|
|
goto fail;
|
|
/* 0x04: channels */
|
|
/* 0x08: data_size */
|
|
offset = read_32bitLE(0x0C, sf);
|
|
num_samples = read_32bitLE(0x1C, sf);
|
|
|
|
loop_flag = read_32bitLE(0x18, sf);
|
|
if (loop_flag) {
|
|
loop_start = read_32bitLE(0x14, sf);
|
|
loop_end = read_32bitLE(0x18, sf);
|
|
}
|
|
|
|
return init_vgmstream_opus(sf, meta_OPUS, offset, num_samples, loop_start, loop_end);
|
|
fail:
|
|
return NULL;
|
|
}
|