mirror of
https://github.com/vgmstream/vgmstream.git
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54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* Nihon Falcom FDK NXOpus [Ys X -NORDICS- (Switch)] */
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VGMSTREAM* init_vgmstream_nxof(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channels, sample_rate;
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size_t data_size, skip = 0;
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int32_t num_samples, loop_start, loop_end;
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/* checks */
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if (!is_id32le(0x00, sf, "nxof"))
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goto fail;
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if (!check_extensions(sf,"nxopus"))
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goto fail;
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channels = read_u8(0x05, sf);
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sample_rate = read_u32le(0x08, sf);
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start_offset = read_u32le(0x18, sf);
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data_size = read_u32le(0x1C, sf);
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num_samples = read_u32le(0x20, sf);
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loop_start = read_u32le(0x30, sf);
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loop_end = read_u32le(0x34, sf);
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loop_flag = (loop_end > 0);
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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_NXOF;
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vgmstream->sample_rate = sample_rate;
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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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#ifdef VGM_USE_FFMPEG
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skip = switch_opus_get_encoder_delay(start_offset, sf);
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vgmstream->codec_data = init_ffmpeg_switch_opus(sf, start_offset, data_size, vgmstream->channels, skip, vgmstream->sample_rate);
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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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#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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