mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-21 02:45:52 +01:00
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
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#include "meta.h"
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#include "../util.h"
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#include "../coding/coding.h"
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/* .OPUS - from Lego City Undercover (Switch) */
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VGMSTREAM * init_vgmstream_nsw_opus(STREAMFILE *streamFile) {
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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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/* check extension, case insensitive */
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if ( !check_extensions(streamFile,"opus")) /* no relation to Ogg Opus */
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x01000080)
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goto fail;
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start_offset = 0x28;
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channel_count = read_8bit(0x09,streamFile); /* assumed */
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/* other values in the header: no idea */
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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->sample_rate = read_32bitLE(0x0c,streamFile);
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vgmstream->meta_type = meta_NSW_OPUS;
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#ifdef VGM_USE_FFMPEG
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{
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uint8_t buf[0x100];
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size_t bytes, skip, data_size;
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ffmpeg_custom_config cfg;
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data_size = get_streamfile_size(streamFile) - start_offset;
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skip = 0; //todo
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bytes = ffmpeg_make_opus_header(buf,0x100, vgmstream->channels, skip, vgmstream->sample_rate);
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if (bytes <= 0) goto fail;
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memset(&cfg, 0, sizeof(ffmpeg_custom_config));
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cfg.type = FFMPEG_SWITCH_OPUS;
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vgmstream->codec_data = init_ffmpeg_config(streamFile, buf,bytes, 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->num_samples = switch_opus_get_samples(start_offset, data_size, vgmstream->sample_rate, streamFile);
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}
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#else
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goto fail;
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#endif
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/* open the file for reading */
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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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