mirror of
https://github.com/vgmstream/vgmstream.git
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bf218c08b4
move common functions to its own .h so it's clearer where are they used and don't get copied in all headers
230 lines
8.1 KiB
C
230 lines
8.1 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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#include "../util/endianness.h"
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/* .BAF - Bizarre Creations bank file [Blur (PS3), Project Gotham Racing 4 (X360), Geometry Wars (PC)] */
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VGMSTREAM * init_vgmstream_baf(STREAMFILE *sf) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset, header_offset, name_offset;
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size_t stream_size;
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uint32_t channel_count, sample_rate, num_samples, version, codec, tracks;
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int loop_flag, total_subsongs, target_subsong = sf->stream_index;
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read_u32_t read_u32;
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/* checks */
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if (!is_id32be(0x00, sf, "BANK"))
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goto fail;
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if (!check_extensions(sf, "baf"))
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goto fail;
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/* use BANK size to check endianness */
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if (guess_endian32(0x04,sf)) {
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read_u32 = read_u32be;
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} else {
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read_u32 = read_u32le;
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}
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/* 0x04: bank size */
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version = read_u32(0x08,sf);
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if (version != 0x03 && version != 0x04 && version != 0x05)
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goto fail;
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total_subsongs = read_u32(0x0c,sf);
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if (target_subsong == 0) target_subsong = 1;
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if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
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/* - in v3 */
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/* 0x10: 0? */
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/* 0x11: bank name */
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/* - in v4/5 */
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/* 0x10: 1? */
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/* 0x11: padding flag? */
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/* 0x12: bank name */
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/* find target WAVE chunk */
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{
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int i;
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off_t offset = read_u32(0x04, sf);
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for (i = 0; i < total_subsongs; i++) {
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if (i+1 == target_subsong)
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break;
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offset += read_u32(offset+0x04, sf); /* WAVE size, variable per codec */
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/* skip companion "CUE " (found in 007: Blood Stone, contains segment cues) */
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if (is_id32be(offset+0x00, sf, "CUE ")) {
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offset += read_u32(offset+0x04, sf); /* CUE size */
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}
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}
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header_offset = offset;
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}
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/* parse header */
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if (!is_id32be(header_offset+0x00, sf, "WAVE"))
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goto fail;
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codec = read_u32(header_offset+0x08, sf);
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name_offset = header_offset + 0x0c;
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start_offset = read_u32(header_offset+0x2c, sf);
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stream_size = read_u32(header_offset+0x30, sf);
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tracks = 0;
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switch(codec) {
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case 0x03: /* PCM16LE */
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switch(version) {
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case 0x03: /* Geometry Wars (PC) */
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sample_rate = read_u32(header_offset+0x38, sf);
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channel_count = read_u32(header_offset+0x40, sf);
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/* no actual flag, just loop +15sec songs */
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loop_flag = (pcm_bytes_to_samples(stream_size, channel_count, 16) > 15*sample_rate);
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break;
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case 0x04: /* Project Gotham Racing 4 (X360) */
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sample_rate = read_u32(header_offset+0x3c, sf);
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channel_count = read_u32(header_offset+0x44, sf);
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loop_flag = read_u8(header_offset+0x4b, sf);
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break;
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default:
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goto fail;
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}
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num_samples = pcm_bytes_to_samples(stream_size, channel_count, 16);
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break;
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case 0x07: /* PSX ADPCM (0x21 frame size) */
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if (version == 0x04 && read_u32(header_offset + 0x3c, sf) != 0) {
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/* Blur (Prototype) (PS3) */
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sample_rate = read_u32(header_offset+0x3c, sf);
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channel_count = read_u32(header_offset+0x44, sf);
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loop_flag = read_u8(header_offset+0x4b, sf);
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/* mini-header at the start of the stream */
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num_samples = read_u32le(start_offset+0x04, sf) / 0x02; /* PCM size? */
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start_offset += read_u32le(start_offset+0x00, sf);
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break;
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}
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switch (version) {
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case 0x04: /* Blur (PS3) */
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case 0x05: /* James Bond 007: Blood Stone (X360) */
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sample_rate = read_u32(header_offset+0x40, sf);
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num_samples = read_u32(header_offset+0x44, sf);
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loop_flag = read_u8(header_offset+0x48, sf);
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tracks = read_u8(header_offset+0x49, sf);
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channel_count = read_u8(header_offset+0x4b, sf);
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if (tracks) {
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channel_count = channel_count * tracks;
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}
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break;
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default:
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goto fail;
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}
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break;
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case 0x08: /* XMA1 */
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switch(version) {
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case 0x04: /* Project Gotham Racing (X360) */
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sample_rate = read_u32(header_offset+0x3c, sf);
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channel_count = read_u32(header_offset+0x44, sf);
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loop_flag = read_u8(header_offset+0x54, sf) != 0;
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break;
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case 0x05: /* James Bond 007: Blood Stone (X360) */
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sample_rate = read_u32(header_offset+0x40, sf);
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channel_count = read_u32(header_offset+0x48, sf);
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loop_flag = read_u8(header_offset+0x58, sf) != 0;
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break;
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default:
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goto fail;
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}
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break;
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default:
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goto fail;
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}
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/* others: pan/vol? fixed values? (0x19, 0x10) */
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/* after WAVEs there may be padding then DATAs chunks, but offsets point after DATA size */
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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_BAF;
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vgmstream->sample_rate = sample_rate;
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vgmstream->num_streams = total_subsongs;
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vgmstream->stream_size = stream_size;
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switch(codec) {
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case 0x03:
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x02;
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vgmstream->num_samples = num_samples;
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = num_samples;
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break;
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case 0x07:
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vgmstream->coding_type = coding_PSX_cfg;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x21;
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vgmstream->num_samples = num_samples;
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = num_samples;
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break;
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#ifdef VGM_USE_FFMPEG
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case 0x08: {
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vgmstream->codec_data = init_ffmpeg_xma1_raw(sf, start_offset, stream_size, vgmstream->channels, vgmstream->sample_rate, 0);
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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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/* need to manually find sample offsets, it was a thing with XMA1 */
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{
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ms_sample_data msd = {0};
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msd.xma_version = 1;
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msd.channels = channel_count;
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msd.data_offset = start_offset;
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msd.data_size = stream_size;
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msd.loop_flag = loop_flag;
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msd.loop_start_b = read_u32(header_offset+0x4c, sf);
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msd.loop_end_b = read_u32(header_offset+0x50, sf);
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msd.loop_start_subframe = (read_u8(header_offset+0x55, sf) >> 0) & 0x0f;
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msd.loop_end_subframe = (read_u8(header_offset+0x55, sf) >> 4) & 0x0f;
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xma_get_samples(&msd, sf);
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vgmstream->num_samples = msd.num_samples; /* also at 0x58, but unreliable? */
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vgmstream->loop_start_sample = msd.loop_start_sample;
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vgmstream->loop_end_sample = msd.loop_end_sample;
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}
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xma_fix_raw_samples_ch(vgmstream, sf, start_offset, stream_size, channel_count, 1,1);
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break;
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}
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#endif
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default:
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VGM_LOG("BAF: unknown codec %x\n", codec);
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goto fail;
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}
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read_string(vgmstream->stream_name,0x20+1, name_offset,sf);
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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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