1042 lines
45 KiB
C
1042 lines
45 KiB
C
#include "meta.h"
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#include "../util.h"
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#include "../coding/coding.h"
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#include "../util/chunks.h"
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#include "../util/endianness.h"
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#include "../util/channel_mappings.h"
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/* Wwise uses a custom RIFF/RIFX header, non-standard enough that it's parsed it here.
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* There is some repetition from other metas, but not enough to bother me.
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*
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* Some info: https://www.audiokinetic.com/en/library/edge/
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* .bnk (dynamic music/loop) info: https://github.com/bnnm/wwiser
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*/
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typedef enum { PCM, IMA, VORBIS, DSP, XMA2, XWMA, AAC, HEVAG, ATRAC9, OPUSNX, OPUS, OPUSCPR, OPUSWW, PTADPCM } wwise_codec;
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typedef struct {
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int big_endian;
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size_t file_size;
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int prefetch;
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int is_wem;
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int is_bnk;
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/* chunks references */
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off_t fmt_offset;
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size_t fmt_size;
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off_t data_offset;
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size_t data_size;
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off_t xma2_offset;
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size_t xma2_size;
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off_t vorb_offset;
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size_t vorb_size;
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off_t wiih_offset;
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size_t wiih_size;
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off_t smpl_offset;
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size_t smpl_size;
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off_t seek_offset;
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size_t seek_size;
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off_t meta_offset;
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size_t meta_size;
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/* standard fmt stuff */
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wwise_codec codec;
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int format;
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int channels;
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int sample_rate;
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int block_size;
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int avg_bitrate;
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int bits_per_sample;
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uint8_t channel_type;
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uint32_t channel_layout;
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size_t extra_size;
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int32_t num_samples;
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int loop_flag;
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int32_t loop_start_sample;
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int32_t loop_end_sample;
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} wwise_header;
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static int parse_wwise(STREAMFILE* sf, wwise_header* ww);
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static int is_dsp_full_interleave(STREAMFILE* sf, wwise_header* ww, off_t coef_offset, int full_detection);
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/* Wwise - Audiokinetic Wwise (WaveWorks Interactive Sound Engine) middleware */
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VGMSTREAM* init_vgmstream_wwise(STREAMFILE* sf) {
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return init_vgmstream_wwise_bnk(sf, NULL);
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}
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/* used in .bnk */
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VGMSTREAM* init_vgmstream_wwise_bnk(STREAMFILE* sf, int* p_prefetch) {
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VGMSTREAM* vgmstream = NULL;
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wwise_header ww = {0};
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off_t start_offset;
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read_u32_t read_u32 = NULL;
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read_s32_t read_s32 = NULL;
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read_u16_t read_u16 = NULL;
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/* checks */
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if (!is_id32be(0x00,sf, "RIFF") && /* LE */
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!is_id32be(0x00,sf, "RIFX")) /* BE */
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goto fail;
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/* note that Wwise allows those extensions only, so custom engine exts shouldn't be added
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* .wem: newer "Wwise Encoded Media" used after the 2011.2 SDK (~july 2011)
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* .wav: older PCM/ADPCM files [Spider-Man: Web of Shadows (PC), Punch Out!! (Wii)]
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* .xma: older XMA files [Too Human (X360), Tron Evolution (X360)]
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* .ogg: older Vorbis files [The King of Fighters XII (X360)]
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* .bnk: Wwise banks for memory .wem detection (hack) */
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if (!check_extensions(sf,"wem,wav,lwav,ogg,logg,xma,bnk"))
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goto fail;
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ww.is_bnk = (p_prefetch != NULL);
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if (!parse_wwise(sf, &ww))
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goto fail;
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if (p_prefetch)
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*p_prefetch = ww.prefetch;
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read_u32 = ww.big_endian ? read_u32be : read_u32le;
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read_s32 = ww.big_endian ? read_s32be : read_s32le;
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read_u16 = ww.big_endian ? read_u16be : read_u16le;
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start_offset = ww.data_offset;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(ww.channels, ww.loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_WWISE_RIFF;
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vgmstream->sample_rate = ww.sample_rate;
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vgmstream->loop_start_sample = ww.loop_start_sample;
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vgmstream->loop_end_sample = ww.loop_end_sample;
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vgmstream->channel_layout = ww.channel_layout;
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vgmstream->stream_size = ww.data_size;
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switch(ww.codec) {
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case PCM: /* common */
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/* normally riff.c has priority but it's needed when .wem is used */
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/* old=0x10, 0x12=Army of Two: the 40th Day (PS3), new/Limbo (PC) */
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if (ww.fmt_size != 0x10 && ww.fmt_size != 0x12 && ww.fmt_size != 0x18 && ww.fmt_size != 0x28) goto fail;
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if (ww.bits_per_sample != 16) goto fail;
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vgmstream->coding_type = (ww.big_endian ? coding_PCM16BE : coding_PCM16LE);
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vgmstream->layout_type = ww.channels > 1 ? layout_interleave : layout_none;
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vgmstream->interleave_block_size = 0x02;
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if (ww.prefetch) {
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ww.data_size = ww.file_size - ww.data_offset;
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}
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vgmstream->num_samples = pcm_bytes_to_samples(ww.data_size, ww.channels, ww.bits_per_sample);
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/* prefetch .bnk RIFFs that only have header and no data is possible [Metal Gear Solid V (PC)] */
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if (ww.prefetch && !vgmstream->num_samples)
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vgmstream->num_samples = 1; /* force something to avoid broken subsongs */
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break;
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case IMA: /* common */
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/* slightly modified and mono-interleaved XBOX-IMA */
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/* Wwise reuses common codec ids (ex. 0x0002 MSADPCM) for IMA so this parser should go AFTER riff.c avoid misdetection */
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if (ww.fmt_size != 0x14 && ww.fmt_size != 0x28 && ww.fmt_size != 0x18) goto fail; /* oldest, old, new */
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if (ww.bits_per_sample != 4) goto fail;
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if (ww.block_size != 0x24 * ww.channels) goto fail;
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vgmstream->coding_type = coding_WWISE_IMA;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = ww.block_size / ww.channels;
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vgmstream->codec_endian = ww.big_endian;
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/* oldest version uses regular XBOX IMA with stereo mode [Shadowrun (PC)] */
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if (ww.fmt_size == 0x14 && ww.format == 0x0069) {
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if (ww.channels > 2) goto fail; /* unlikely but just in case */
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if (ww.big_endian) goto fail; /* unsure */
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vgmstream->coding_type = coding_XBOX_IMA;
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vgmstream->layout_type = layout_none;
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vgmstream->interleave_block_size = 0;
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}
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if (ww.prefetch) {
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ww.data_size = ww.file_size - ww.data_offset;
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}
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vgmstream->num_samples = xbox_ima_bytes_to_samples(ww.data_size, ww.channels);
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break;
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#ifdef VGM_USE_VORBIS
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case VORBIS: { /* common */
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/* Wwise uses custom Vorbis, which changed over time (config must be detected to pass to the decoder). */
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off_t data_offsets, block_offsets;
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size_t setup_offset, audio_offset;
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vorbis_custom_config cfg = {0};
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cfg.channels = ww.channels;
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cfg.sample_rate = ww.sample_rate;
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cfg.big_endian = ww.big_endian;
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cfg.stream_end = ww.data_offset + ww.data_size;
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if (ww.block_size != 0 || ww.bits_per_sample != 0) goto fail; /* always 0 for Worbis */
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/* autodetect format (fields are mostly common, see the end of the file) */
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if (ww.vorb_offset) {
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/* older Wwise (~<2012) */
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switch(ww.vorb_size) {
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case 0x2C: /* earliest (~2009) [The Lord of the Rings: Conquest (PC)] */
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case 0x28: /* early (~2009) [UFC Undisputed 2009 (PS3), some EVE Online Apocrypha (PC)] */
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data_offsets = 0x18;
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block_offsets = 0; /* no need, full headers are present */
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cfg.header_type = WWV_TYPE_8;
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cfg.packet_type = WWV_STANDARD;
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cfg.setup_type = WWV_HEADER_TRIAD;
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break;
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case 0x34: /* common (2010~2011) [The King of Fighters XII (PS3), Assassin's Creed II (X360)] */
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case 0x32: /* rare (mid 2011) [Saints Row the 3rd (PC)] */
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data_offsets = 0x18;
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block_offsets = 0x30;
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cfg.header_type = WWV_TYPE_6;
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cfg.packet_type = WWV_STANDARD;
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cfg.setup_type = WWV_EXTERNAL_CODEBOOKS; /* setup_type will be corrected later */
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break;
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case 0x2a: /* uncommon (mid 2011) [inFamous 2 (PS3), Captain America: Super Soldier (X360)] */
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data_offsets = 0x10;
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block_offsets = 0x28;
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cfg.header_type = WWV_TYPE_2;
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cfg.packet_type = WWV_MODIFIED;
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cfg.setup_type = WWV_EXTERNAL_CODEBOOKS;
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break;
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default:
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VGM_LOG("WWISE: unknown vorb size 0x%x\n", ww.vorb_size);
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goto fail;
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}
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vgmstream->num_samples = read_s32(ww.vorb_offset + 0x00, sf);
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setup_offset = read_u32(ww.vorb_offset + data_offsets + 0x00, sf); /* within data (0 = no seek table) */
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audio_offset = read_u32(ww.vorb_offset + data_offsets + 0x04, sf); /* within data */
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if (block_offsets) {
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cfg.blocksize_1_exp = read_u8(ww.vorb_offset + block_offsets + 0x00, sf); /* small */
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cfg.blocksize_0_exp = read_u8(ww.vorb_offset + block_offsets + 0x01, sf); /* big */
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}
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ww.data_size -= audio_offset;
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/* detect normal packets */
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if (ww.vorb_size == 0x2a) {
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/* almost all blocksizes are 0x08+0x0B except a few with 0x0a+0x0a [Captain America: Super Soldier (X360) voices/sfx] */
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if (cfg.blocksize_0_exp == cfg.blocksize_1_exp)
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cfg.packet_type = WWV_STANDARD;
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}
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/* detect setup type:
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* - full inline: ~2009, ex. The King of Fighters XII (X360), The Saboteur (PC)
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* - trimmed inline: ~2010, ex. Army of Two: 40 days (X360) some multiplayer files
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* - external: ~2010, ex. Assassin's Creed Brotherhood (X360), Dead Nation (X360) */
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if (ww.vorb_size == 0x34) {
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size_t setup_size = read_u16 (start_offset + setup_offset + 0x00, sf);
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uint32_t setup_id = read_u32be(start_offset + setup_offset + 0x06, sf);
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/* if the setup after header starts with "(data)BCV" it's an inline codebook) */
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if ((setup_id & 0x00FFFFFF) == get_id32be("\0BCV")) {
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cfg.setup_type = WWV_FULL_SETUP;
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}
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/* if the setup is suspiciously big it's probably trimmed inline codebooks */
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else if (setup_size > 0x200) { /* an external setup it's ~0x100 max + some threshold */
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cfg.setup_type = WWV_INLINE_CODEBOOKS;
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}
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}
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vgmstream->codec_data = init_vorbis_custom(sf, start_offset + setup_offset, VORBIS_WWISE, &cfg);
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if (!vgmstream->codec_data) goto fail;
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}
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else {
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/* newer Wwise (>2012) */
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off_t extra_offset = ww.fmt_offset + 0x18; /* after flag + channels */
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switch(ww.extra_size) {
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case 0x30:
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data_offsets = 0x10;
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block_offsets = 0x28;
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cfg.header_type = WWV_TYPE_2;
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cfg.packet_type = WWV_MODIFIED;
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/* setup not detectable by header, so we'll try both; libvorbis should reject wrong codebooks
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* - standard: early (<2012), ex. The King of Fighters XIII (X360)-2011/11, .ogg (cbs are from aoTuV, too)
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* - aoTuV603: later (>2012), ex. Sonic & All-Stars Racing Transformed (PC)-2012/11, .wem */
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cfg.setup_type = ww.is_wem ? WWV_AOTUV603_CODEBOOKS : WWV_EXTERNAL_CODEBOOKS; /* aoTuV came along .wem */
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break;
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default:
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VGM_LOG("WWISE: unknown extra size 0x%x\n", ww.vorb_size);
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goto fail;
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}
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vgmstream->num_samples = read_s32(extra_offset + 0x00, sf);
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setup_offset = read_u32(extra_offset + data_offsets + 0x00, sf); /* within data */
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audio_offset = read_u32(extra_offset + data_offsets + 0x04, sf); /* within data */
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cfg.blocksize_1_exp = read_u8(extra_offset + block_offsets + 0x00, sf); /* small */
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cfg.blocksize_0_exp = read_u8(extra_offset + block_offsets + 0x01, sf); /* big */
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ww.data_size -= audio_offset;
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/* mutant .wem with metadata (voice strings/etc) between seek table and vorbis setup [Gears of War 4 (PC)] */
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if (ww.meta_offset) {
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/* 0x00: original setup_offset */
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setup_offset += read_u32(ww.meta_offset + 0x04, sf); /* metadata size */
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}
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/* detect normal packets */
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if (ww.extra_size == 0x30) {
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/* almost all blocksizes are 0x08+0x0B except some with 0x09+0x09 [Oddworld New 'n' Tasty! (PSV)] */
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if (cfg.blocksize_0_exp == cfg.blocksize_1_exp)
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cfg.packet_type = WWV_STANDARD;
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}
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/* try with the selected codebooks */
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vgmstream->codec_data = init_vorbis_custom(sf, start_offset + setup_offset, VORBIS_WWISE, &cfg);
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if (!vgmstream->codec_data) {
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/* codebooks failed: try again with the other type */
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cfg.setup_type = ww.is_wem ? WWV_EXTERNAL_CODEBOOKS : WWV_AOTUV603_CODEBOOKS;
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vgmstream->codec_data = init_vorbis_custom(sf, start_offset + setup_offset, VORBIS_WWISE, &cfg);
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if (!vgmstream->codec_data) goto fail;
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}
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}
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vgmstream->layout_type = layout_none;
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vgmstream->coding_type = coding_VORBIS_custom;
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vgmstream->codec_endian = ww.big_endian;
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start_offset += audio_offset;
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/* Vorbis is VBR so this is very approximate percent, meh */
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if (ww.prefetch) {
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vgmstream->num_samples = (int32_t)(vgmstream->num_samples *
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(double)(ww.file_size - start_offset) / (double)ww.data_size);
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}
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break;
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}
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#endif
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case DSP: { /* Wii/3DS/WiiU */
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//if (ww.fmt_size != 0x28 && ww.fmt_size != ?) goto fail; /* old, new */
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if (ww.bits_per_sample != 4) goto fail;
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x08; /* ww.block_size = 0x8 in older Wwise, samples per block in newer Wwise */
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/* find coef position */
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if (ww.wiih_offset) { /* older */
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vgmstream->num_samples = dsp_bytes_to_samples(ww.data_size, ww.channels);
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if (ww.wiih_size != 0x2e * ww.channels) goto fail;
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if (is_dsp_full_interleave(sf, &ww, ww.wiih_offset, 1))
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vgmstream->interleave_block_size = ww.data_size / 2;
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}
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else if (ww.extra_size == 0x0c + ww.channels * 0x2e) { /* newer */
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vgmstream->num_samples = read_s32(ww.fmt_offset + 0x18, sf);
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ww.wiih_offset = ww.fmt_offset + 0x1c;
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ww.wiih_size = 0x2e * ww.channels;
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if (is_dsp_full_interleave(sf, &ww, ww.wiih_offset, 0)) /* less common */
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vgmstream->interleave_block_size = ww.data_size / 2;
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}
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else {
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goto fail;
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}
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if (ww.prefetch) {
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ww.data_size = ww.file_size - ww.data_offset;
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vgmstream->num_samples = dsp_bytes_to_samples(ww.data_size, ww.channels);
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}
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/* for some reason all(?) DSP .wem do full loops (even mono/jingles/etc) but
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* several tracks do loop like this, so disable it for short-ish tracks */
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if (ww.loop_flag && vgmstream->loop_start_sample == 0 &&
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vgmstream->loop_end_sample < 20*ww.sample_rate) { /* in seconds */
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vgmstream->loop_flag = 0;
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}
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dsp_read_coefs(vgmstream, sf, ww.wiih_offset + 0x00, 0x2e, ww.big_endian);
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dsp_read_hist (vgmstream, sf, ww.wiih_offset + 0x24, 0x2e, ww.big_endian);
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break;
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}
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#ifdef VGM_USE_FFMPEG
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case XMA2: { /* X360/XBone */
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/* endian check should be enough */
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//if (ww.fmt_size != ...) goto fail; /* XMA1 0x20, XMA2old: 0x34, XMA2new: 0x40, XMA2 Guitar Hero Live/padded: 0x64, etc */
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/* only Wwise XMA: X360=BE, or XBone=LE+wem (real X360 XMA are LE and parsed elsewhere) */
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if (!(ww.big_endian || (!ww.big_endian && check_extensions(sf,"wem,bnk"))))
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goto fail;
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vgmstream->codec_data = init_ffmpeg_xma_chunk(sf, ww.data_offset, ww.data_size, ww.xma2_offset ? ww.xma2_offset : ww.fmt_offset, ww.xma2_size ? ww.xma2_size : ww.fmt_size);
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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 = ww.num_samples; /* set while parsing XMAWAVEFORMATs */
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/* Wwise loops are always pre-adjusted (old or new) and only num_samples is off */
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xma_fix_raw_samples(vgmstream, sf, ww.data_offset, ww.data_size, ww.xma2_offset ? ww.xma2_offset : ww.fmt_offset, 1,0);
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/* XMA is VBR so this is very approximate percent, meh */
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if (ww.prefetch) {
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vgmstream->num_samples = (int32_t)(vgmstream->num_samples *
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(double)(ww.file_size - start_offset) / (double)ww.data_size);
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//todo data size, call function
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}
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break;
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}
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case XWMA: { /* X360 */
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if (ww.fmt_size != 0x18) goto fail;
|
|
if (!ww.big_endian) goto fail; /* must be from Wwise X360 (PC LE XWMA is parsed elsewhere) */
|
|
|
|
vgmstream->codec_data = init_ffmpeg_xwma(sf, ww.data_offset, ww.data_size, ww.format, ww.channels, ww.sample_rate, ww.avg_bitrate, ww.block_size);
|
|
if (!vgmstream->codec_data) goto fail;
|
|
vgmstream->coding_type = coding_FFmpeg;
|
|
vgmstream->layout_type = layout_none;
|
|
|
|
//if (ww.prefetch) {
|
|
// ww.data_size = ww.file_size - ww.data_offset;
|
|
//}
|
|
|
|
/* seek table seems BE dpds */
|
|
vgmstream->num_samples = xwma_dpds_get_samples(sf, ww.seek_offset, ww.seek_size, ww.channels, ww.big_endian);
|
|
if (!vgmstream->num_samples)
|
|
vgmstream->num_samples = xwma_get_samples(sf, ww.data_offset, ww.data_size, ww.format, ww.channels, ww.sample_rate, ww.block_size);
|
|
|
|
/* XWMA is VBR so this is very approximate percent, meh */
|
|
if (ww.prefetch) { /* Guardians of Middle Earth (X360) */
|
|
vgmstream->num_samples = (int32_t)(vgmstream->num_samples *
|
|
(double)(ww.file_size - start_offset) / (double)ww.data_size);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case AAC: { /* iOS/Mac */
|
|
ffmpeg_codec_data * ffmpeg_data = NULL;
|
|
|
|
if (ww.fmt_size != 0x24) goto fail;
|
|
if (ww.block_size != 0 || ww.bits_per_sample != 0) goto fail;
|
|
|
|
/* extra: size 0x12, unknown values */
|
|
|
|
ffmpeg_data = init_ffmpeg_offset(sf, ww.data_offset,ww.data_size);
|
|
if (!ffmpeg_data) goto fail;
|
|
vgmstream->codec_data = ffmpeg_data;
|
|
vgmstream->coding_type = coding_FFmpeg;
|
|
vgmstream->layout_type = layout_none;
|
|
|
|
vgmstream->num_samples = ffmpeg_get_samples(ffmpeg_data); //todo correct?
|
|
break;
|
|
}
|
|
|
|
case OPUSNX: { /* Switch */
|
|
size_t skip;
|
|
size_t seek_size;
|
|
|
|
if (ww.fmt_size != 0x28) goto fail;
|
|
/* values up to 0x14 seem fixed and similar to HEVAG's (block_size 0x02/04, bits_per_sample 0x10) */
|
|
|
|
vgmstream->num_samples = read_s32(ww.fmt_offset + 0x18, sf);
|
|
/* 0x1c: null?
|
|
* 0x20: data_size without seek_size */
|
|
seek_size = read_u32(ww.fmt_offset + 0x24, sf);
|
|
|
|
start_offset += seek_size;
|
|
ww.data_size -= seek_size;
|
|
|
|
skip = switch_opus_get_encoder_delay(start_offset, sf); /* should be 120 */
|
|
|
|
/* some voices have original sample rate but OPUS can only do 48000 (ex. Mario Kart Home Circuit 24khz) */
|
|
if (vgmstream->sample_rate != 48000) {
|
|
vgmstream->sample_rate = 48000;
|
|
vgmstream->num_samples = switch_opus_get_samples(start_offset,ww.data_size, sf); /* also original's */
|
|
vgmstream->num_samples -= skip;
|
|
}
|
|
|
|
/* OPUS is VBR so this is very approximate percent, meh */
|
|
if (ww.prefetch) {
|
|
vgmstream->num_samples = (int32_t)(vgmstream->num_samples *
|
|
(double)(ww.file_size - start_offset) / (double)ww.data_size);
|
|
ww.data_size = ww.file_size - start_offset;
|
|
}
|
|
|
|
vgmstream->codec_data = init_ffmpeg_switch_opus(sf, start_offset,ww.data_size, ww.channels, skip, vgmstream->sample_rate);
|
|
if (!vgmstream->codec_data) goto fail;
|
|
vgmstream->coding_type = coding_FFmpeg;
|
|
vgmstream->layout_type = layout_none;
|
|
break;
|
|
}
|
|
|
|
case OPUS: { /* fully standard Ogg Opus [Girl Cafe Gun (Mobile), Gears 5 (PC)] */
|
|
if (ww.block_size != 0 || ww.bits_per_sample != 0) goto fail;
|
|
|
|
/* extra: size 0x12 */
|
|
vgmstream->num_samples = read_s32(ww.fmt_offset + 0x18, sf);
|
|
/* 0x1c: stream size without OggS? */
|
|
/* 0x20: full samples (without encoder delay) */
|
|
|
|
/* OPUS is VBR so this is very approximate percent, meh */
|
|
if (ww.prefetch) {
|
|
vgmstream->num_samples = (int32_t)(vgmstream->num_samples *
|
|
(double)(ww.file_size - start_offset) / (double)ww.data_size);
|
|
ww.data_size = ww.file_size - start_offset;
|
|
}
|
|
|
|
/* mutant .wem with metadata (voice strings/etc) at data start [Gears 5 (PC)] */
|
|
if (ww.meta_offset) {
|
|
/* 0x00: original setup_offset? (0x00 for Opus) */
|
|
uint32_t meta_skip = read_u32(ww.meta_offset + 0x04, sf);
|
|
|
|
ww.data_offset += meta_skip;
|
|
ww.data_size -= meta_skip;
|
|
}
|
|
|
|
vgmstream->codec_data = init_ffmpeg_offset(sf, ww.data_offset, ww.data_size);
|
|
if (!vgmstream->codec_data) goto fail;
|
|
vgmstream->coding_type = coding_FFmpeg;
|
|
vgmstream->layout_type = layout_none;
|
|
break;
|
|
}
|
|
|
|
case OPUSCPR: { /* CD Project RED's Ogg Opus masquerading as PCMEX [Cyberpunk 2077 (PC)] */
|
|
if (ww.bits_per_sample != 16) goto fail;
|
|
|
|
/* original data_size doesn't look related to samples or anything */
|
|
ww.data_size = ww.file_size - ww.data_offset;
|
|
|
|
vgmstream->codec_data = init_ffmpeg_offset(sf, ww.data_offset, ww.data_size);
|
|
if (!vgmstream->codec_data) goto fail;
|
|
vgmstream->coding_type = coding_FFmpeg;
|
|
vgmstream->layout_type = layout_none;
|
|
|
|
/* FFmpeg's samples seem correct, otherwise see ogg_opus.c for getting samples. */
|
|
vgmstream->num_samples = ffmpeg_get_samples(vgmstream->codec_data);
|
|
break;
|
|
}
|
|
|
|
case OPUSWW: { /* updated Opus [Assassin's Creed Valhalla (PC)] */
|
|
int i, mapping;
|
|
opus_config cfg = {0};
|
|
|
|
if (ww.block_size != 0 || ww.bits_per_sample != 0) goto fail;
|
|
if (!ww.seek_offset) goto fail;
|
|
if (ww.channels > 255) goto fail; /* opus limit */
|
|
|
|
cfg.channels = ww.channels;
|
|
cfg.table_offset = ww.seek_offset;
|
|
|
|
vgmstream->sample_rate = 48000; /* fixed in AK's code */
|
|
|
|
/* extra: size 0x10 (though last 2 fields are beyond, AK plz) */
|
|
/* 0x12: samples per frame */
|
|
vgmstream->num_samples = read_s32(ww.fmt_offset + 0x18, sf);
|
|
cfg.table_count = read_u32(ww.fmt_offset + 0x1c, sf); /* same as seek size / 2 */
|
|
cfg.skip = read_u16(ww.fmt_offset + 0x20, sf);
|
|
/* 0x22: codec version */
|
|
mapping = read_u8(ww.fmt_offset + 0x23, sf);
|
|
if (mapping == 1 && ww.channels > 8) goto fail; /* mapping not defined */
|
|
|
|
if (read_u8(ww.fmt_offset + 0x22, sf) != 1)
|
|
goto fail;
|
|
|
|
/* OPUS is VBR so this is very approximate percent, meh */
|
|
if (ww.prefetch) {
|
|
vgmstream->num_samples = (int32_t)(vgmstream->num_samples *
|
|
(double)(ww.file_size - start_offset) / (double)ww.data_size);
|
|
ww.data_size = ww.file_size - start_offset;
|
|
}
|
|
|
|
/* AK does some wonky implicit config for multichannel (only accepted channel type is 1) */
|
|
if (ww.channel_type == 1 && mapping == 1) {
|
|
static const int8_t mapping_matrix[8][8] = { /* (DeinterleaveAndRemap)*/
|
|
{ 0, 0, 0, 0, 0, 0, 0, 0, },
|
|
{ 0, 1, 0, 0, 0, 0, 0, 0, },
|
|
{ 0, 2, 1, 0, 0, 0, 0, 0, },
|
|
{ 0, 1, 2, 3, 0, 0, 0, 0, },
|
|
{ 0, 4, 1, 2, 3, 0, 0, 0, },
|
|
{ 0, 4, 1, 2, 3, 5, 0, 0, },
|
|
{ 0, 6, 1, 2, 3, 4, 5, 0, },
|
|
{ 0, 6, 1, 2, 3, 4, 5, 7, },
|
|
};
|
|
|
|
if (ww.channels > 8)
|
|
goto fail; /* matrix limit */
|
|
|
|
/* find coupled (stereo) OPUS streams (simplification of ChannelConfigToMapping) */
|
|
switch(ww.channel_layout) {
|
|
case mapping_7POINT1_surround: cfg.coupled_count = 3; break; /* 2ch+2ch+2ch+1ch+1ch, 5 streams */
|
|
case mapping_5POINT1_surround: /* 2ch+2ch+1ch+1ch, 4 streams */
|
|
case mapping_QUAD_side: cfg.coupled_count = 2; break; /* 2ch+2ch, 2 streams */
|
|
case mapping_2POINT1_xiph: /* 2ch+1ch, 2 streams */
|
|
case mapping_STEREO: cfg.coupled_count = 1; break; /* 2ch, 1 stream */
|
|
default: cfg.coupled_count = 0; break; /* 1ch, 1 stream */
|
|
//TODO: AK OPUS doesn't seem to handle others mappings, though AK's .h imply they exist (uses 0 coupleds?)
|
|
}
|
|
|
|
/* total number internal OPUS streams (should be >0) */
|
|
cfg.stream_count = ww.channels - cfg.coupled_count;
|
|
|
|
/* channel order */
|
|
for (i = 0; i < ww.channels; i++) {
|
|
cfg.channel_mapping[i] = mapping_matrix[ww.channels - 1][i];
|
|
}
|
|
}
|
|
else if (ww.channel_type == 1 && mapping == 255) { /* Overwatch 2 (PC) */
|
|
|
|
/* only seen 12ch, but seems to be what ChannelConfigToMapping would output with > 8 */
|
|
cfg.coupled_count = 0;
|
|
|
|
cfg.stream_count = ww.channels - cfg.coupled_count;
|
|
|
|
//TODO: mapping seems to be 0x2d63f / FL FR FC LFE BL BR SL SR TFL TFR TBL TBR
|
|
// while output order seems to swap FC and LFE? (not set in passed channel mapping but reordered later)
|
|
for (i = 0; i < ww.channels; i++) {
|
|
cfg.channel_mapping[i] = i;
|
|
}
|
|
}
|
|
else {
|
|
/* mapping 0: standard opus (implicit mono/stereo) */
|
|
if (ww.channels > 2)
|
|
goto fail;
|
|
}
|
|
|
|
/* Wwise Opus saves all frame sizes in the seek table */
|
|
vgmstream->codec_data = init_ffmpeg_wwise_opus(sf, ww.data_offset, ww.data_size, &cfg);
|
|
if (!vgmstream->codec_data) goto fail;
|
|
vgmstream->coding_type = coding_FFmpeg;
|
|
vgmstream->layout_type = layout_none;
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
case HEVAG: /* PSV */
|
|
/* changed values, another bizarre Wwise quirk */
|
|
//ww.block_size /* unknown (1ch=2, 2ch=4) */
|
|
//ww.bits_per_sample; /* unknown (0x10) */
|
|
//if (ww.bits_per_sample != 4) goto fail;
|
|
|
|
if (ww.fmt_size != 0x18) goto fail;
|
|
if (ww.big_endian) goto fail;
|
|
|
|
/* extra data (size 0x06)
|
|
* 0x00: samples per block (0x1c)
|
|
* 0x02: channel config (again?) */
|
|
|
|
vgmstream->coding_type = coding_HEVAG;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = 0x10;
|
|
|
|
vgmstream->num_samples = ps_bytes_to_samples(ww.data_size, ww.channels);
|
|
break;
|
|
|
|
#ifdef VGM_USE_ATRAC9
|
|
case ATRAC9: { /* PSV/PS4 */
|
|
atrac9_config cfg = {0};
|
|
|
|
if (ww.fmt_size != 0x24) goto fail;
|
|
if (ww.extra_size != 0x12) goto fail;
|
|
|
|
/* extra data
|
|
* 0x00: samples per subframe?
|
|
* 0x02: channel config (again?)
|
|
* 0x06: config
|
|
* 0x0a: samples
|
|
* 0x0e: encoder delay? (same as samples per subframe?)
|
|
* 0x10: decoder delay? (PS4 only, 0 on Vita?) */
|
|
|
|
cfg.channels = ww.channels;
|
|
cfg.config_data = read_u32be(ww.fmt_offset + 0x18,sf);
|
|
cfg.encoder_delay = read_u16(ww.fmt_offset + 0x20,sf);
|
|
/* PS4 value at 0x22 looks like encoder delay, but using it removes too many
|
|
* samples [DmC: Definitive Edition (PS4)] */
|
|
|
|
vgmstream->codec_data = init_atrac9(&cfg);
|
|
if (!vgmstream->codec_data) goto fail;
|
|
vgmstream->coding_type = coding_ATRAC9;
|
|
vgmstream->layout_type = layout_none;
|
|
|
|
vgmstream->num_samples = read_s32(ww.fmt_offset + 0x1c, sf);
|
|
|
|
if (ww.prefetch) {
|
|
vgmstream->num_samples = atrac9_bytes_to_samples_cfg(ww.file_size - start_offset, cfg.config_data);
|
|
}
|
|
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
case PTADPCM: /* newer ADPCM [Bayonetta 2 (Switch), Genshin Impact (PC)] */
|
|
if (ww.bits_per_sample != 4) goto fail;
|
|
if (ww.block_size != 0x24 * ww.channels && ww.block_size != 0x104 * ww.channels) goto fail;
|
|
|
|
vgmstream->coding_type = coding_PTADPCM;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = ww.block_size / ww.channels;
|
|
//vgmstream->codec_endian = ww.big_endian; //?
|
|
|
|
if (ww.prefetch) {
|
|
ww.data_size = ww.file_size - ww.data_offset;
|
|
}
|
|
|
|
vgmstream->num_samples = ptadpcm_bytes_to_samples(ww.data_size, ww.channels, vgmstream->interleave_block_size);
|
|
break;
|
|
|
|
default:
|
|
goto fail;
|
|
}
|
|
|
|
|
|
if (!vgmstream_open_stream(vgmstream, sf, start_offset) )
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|
|
|
|
static int is_dsp_full_interleave(STREAMFILE* sf, wwise_header* ww, off_t coef_offset, int full_detection) {
|
|
/* older (bank ~v48) Wwise use full interleave for memory (in .bnk) files, but
|
|
* detection from the .wem side is problematic [Punch Out!! (Wii)-old, Luigi's Mansion 2 (3DS)-new]
|
|
* - prefetch point to streams = normal
|
|
* - .bnk would be memory banks = full
|
|
* - otherwise small-ish sizes, stereo, with initial predictors for the
|
|
* second channel matching half size = full
|
|
* some files aren't detectable like this though, when predictors are 0
|
|
* (but since memory wem aren't that used this shouldn't be too common) */
|
|
|
|
if (ww->prefetch)
|
|
return 0;
|
|
|
|
if (ww->channels == 1)
|
|
return 0;
|
|
|
|
if (ww->is_bnk)
|
|
return 1;
|
|
|
|
if (ww->data_size > 0x30000)
|
|
return 0;
|
|
|
|
/* skip reading data if possible */
|
|
if (full_detection) {
|
|
uint16_t head_ps2 = read_u16be(coef_offset + 1 * 0x2e + 0x22, sf); /* ch2's initial predictor */
|
|
uint16_t init_ps2 = read_u8(ww->data_offset + 0x08, sf); /* at normal interleave */
|
|
uint16_t half_ps2 = read_u8(ww->data_offset + ww->data_size / 2, sf); /* at full interleave */
|
|
//;VGM_LOG("WWISE: DSP head2=%x, init2=%x, half2=%x\n", head_ps2, init_ps2, half_ps2);
|
|
if (head_ps2 != init_ps2 && head_ps2 == half_ps2) {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int parse_wwise(STREAMFILE* sf, wwise_header* ww) {
|
|
read_u32_t read_u32;
|
|
read_u16_t read_u16;
|
|
|
|
/* Wwise honors machine's endianness (PC=RIFF, X360=RIFX --unlike XMA) */
|
|
ww->big_endian = is_id32be(0x00,sf, "RIFX"); /* RIFF size not useful to detect, see below */
|
|
if (ww->big_endian) {
|
|
read_u32 = read_u32be;
|
|
read_u16 = read_u16be;
|
|
} else {
|
|
read_u32 = read_u32le;
|
|
read_u16 = read_u16le;
|
|
}
|
|
|
|
ww->file_size = get_streamfile_size(sf);
|
|
|
|
#if 0
|
|
/* Wwise's RIFF size is often wonky, seemingly depending on codec:
|
|
* - PCM, IMA/PTADPCM, VORBIS, AAC, OPUSNX/OPUS: correct
|
|
* - DSP, XWMA, ATRAC9: almost always slightly smaller (around 0x50)
|
|
* - HEVAG: very off
|
|
* - XMA2: exact file size
|
|
* - some RIFX have LE size
|
|
* Value is ignored by AK's parser (set to -1).
|
|
* (later we'll validate "data" which fortunately is correct)
|
|
*/
|
|
if (read_u32(0x04,sf) + 0x04 + 0x04 != ww->file_size) {
|
|
VGM_LOG("WWISE: bad riff size\n");
|
|
goto fail;
|
|
}
|
|
#endif
|
|
|
|
if (!is_id32be(0x08,sf, "WAVE") &&
|
|
!is_id32be(0x08,sf, "XWMA"))
|
|
goto fail;
|
|
|
|
|
|
/* parse chunks (reads once linearly) */
|
|
{
|
|
chunk_t rc = {0};
|
|
uint32_t file_size = get_streamfile_size(sf);;
|
|
|
|
/* chunks are even-aligned and don't need to add padding byte, unlike real RIFFs */
|
|
rc.be_size = ww->big_endian;
|
|
rc.current = 0x0c;
|
|
while (next_chunk(&rc, sf)) {
|
|
|
|
switch(rc.type) {
|
|
case 0x666d7420: /* "fmt " */
|
|
ww->fmt_offset = rc.offset;
|
|
ww->fmt_size = rc.size;
|
|
break;
|
|
case 0x584D4132: /* "XMA2" */
|
|
ww->xma2_offset = rc.offset;
|
|
ww->xma2_size = rc.size;
|
|
break;
|
|
case 0x64617461: /* "data" */
|
|
ww->data_offset = rc.offset;
|
|
ww->data_size = rc.size;
|
|
break;
|
|
case 0x766F7262: /* "vorb" */
|
|
ww->vorb_offset = rc.offset;
|
|
ww->vorb_size = rc.size;
|
|
break;
|
|
case 0x57696948: /* "WiiH" */
|
|
ww->wiih_offset = rc.offset;
|
|
ww->wiih_size = rc.size;
|
|
break;
|
|
case 0x7365656B: /* "seek" */
|
|
ww->seek_offset = rc.offset;
|
|
ww->seek_size = rc.size;
|
|
break;
|
|
case 0x736D706C: /* "smpl" */
|
|
ww->smpl_offset = rc.offset;
|
|
ww->smpl_size = rc.size;
|
|
break;
|
|
case 0x6D657461: /* "meta" */
|
|
ww->meta_offset = rc.offset;
|
|
ww->meta_size = rc.size;
|
|
break;
|
|
|
|
case 0x66616374: /* "fact" */
|
|
/* Wwise never uses fact, but if somehow some file does uncomment the following: */
|
|
//if (size == 0x10 && read_u32be(offset + 0x04, sf) == 0x4C794E20) /* "LyN " */
|
|
// goto fail; /* ignore LyN RIFF */
|
|
goto fail;
|
|
|
|
/* "XMAc": rare XMA2 physical loop regions (loop_start_b, loop_end_b, loop_subframe_data)
|
|
* Can appear even in the file doesn't loop, maybe it's meant to be the playable physical region */
|
|
/* "LIST": leftover 'cue' info from OG .wavs (ex. loop starts in Platinum Games) */
|
|
/* "JUNK": optional padding for aligment (0-size JUNK exists too) */
|
|
/* "akd ": extra info for Wwise? (wave peaks/loudness/HDR envelope?) */
|
|
default:
|
|
/* mainly for incorrectly ripped wems, but should allow truncated wems
|
|
* (could also check that fourcc is ASCII) */
|
|
if (rc.offset + rc.size > file_size) {
|
|
vgm_logi("WWISE: broken .wem (bad extract?)\n");
|
|
goto fail;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* use extension as a guide for certain cases */
|
|
ww->is_wem = check_extensions(sf,"wem,bnk");
|
|
|
|
/* parse format (roughly spec-compliant but some massaging is needed) */
|
|
if (ww->xma2_offset) {
|
|
/* pseudo-XMA2WAVEFORMAT, "fmt"+"XMA2" (common) or only "XMA2" [Too Human (X360)] */
|
|
ww->format = 0x0165; /* signal for below */
|
|
xma2_parse_xma2_chunk(sf,
|
|
ww->xma2_offset, &ww->channels, &ww->sample_rate, &ww->loop_flag,
|
|
&ww->num_samples, &ww->loop_start_sample, &ww->loop_end_sample);
|
|
}
|
|
else {
|
|
/* pseudo-WAVEFORMATEX */
|
|
if (ww->fmt_size < 0x10)
|
|
goto fail;
|
|
ww->format = read_u16(ww->fmt_offset + 0x00,sf);
|
|
ww->channels = read_u16(ww->fmt_offset + 0x02,sf);
|
|
ww->sample_rate = read_u32(ww->fmt_offset + 0x04,sf);
|
|
ww->avg_bitrate = read_u32(ww->fmt_offset + 0x08,sf);
|
|
ww->block_size = read_u16(ww->fmt_offset + 0x0c,sf);
|
|
ww->bits_per_sample = read_u16(ww->fmt_offset + 0x0e,sf);
|
|
if (ww->fmt_size > 0x10 && ww->format != 0x0165 && ww->format != 0x0166) /* ignore XMAWAVEFORMAT */
|
|
ww->extra_size = read_u16(ww->fmt_offset + 0x10,sf);
|
|
if (ww->extra_size >= 0x06) { /* always present (actual RIFFs only have it in WAVEFORMATEXTENSIBLE) */
|
|
/* mostly WAVEFORMATEXTENSIBLE's bitmask (see AkSpeakerConfig.h) */
|
|
ww->channel_layout = read_u32(ww->fmt_offset + 0x14,sf);
|
|
/* later games (+2018?) have a pseudo-format instead to handle more cases:
|
|
* - 8b: uNumChannels
|
|
* - 4b: eConfigType (0=none, 1=standard, 2=ambisonic)
|
|
* - 19b: uChannelMask */
|
|
if ((ww->channel_layout & 0xFF) == ww->channels) {
|
|
ww->channel_type = (ww->channel_layout >> 8) & 0x0F;
|
|
ww->channel_layout = (ww->channel_layout >> 12);
|
|
}
|
|
}
|
|
|
|
if (ww->format == 0x0166) { /* XMA2WAVEFORMATEX in fmt */
|
|
xma2_parse_fmt_chunk_extra(sf, ww->fmt_offset, &ww->loop_flag,
|
|
&ww->num_samples, &ww->loop_start_sample, &ww->loop_end_sample, ww->big_endian);
|
|
}
|
|
}
|
|
|
|
/* common loops ("XMA2" chunks already read them) */
|
|
if (ww->smpl_offset) {
|
|
if (ww->smpl_size >= 0x34
|
|
&& read_u32(ww->smpl_offset + 0x1c, sf) == 1 /* loop count */
|
|
&& read_u32(ww->smpl_offset + 0x24 + 0x04, sf) == 0) { /* loop type */
|
|
ww->loop_flag = 1;
|
|
ww->loop_start_sample = read_u32(ww->smpl_offset + 0x24 + 0x8, sf);
|
|
ww->loop_end_sample = read_u32(ww->smpl_offset + 0x24 + 0xc, sf) + 1; /* +1 like standard RIFF */
|
|
}
|
|
}
|
|
|
|
if (!ww->data_offset)
|
|
goto fail;
|
|
|
|
|
|
/* format to codec */
|
|
switch(ww->format) {
|
|
case 0x0001: ww->codec = PCM; break; /* older Wwise */
|
|
case 0x0002: ww->codec = IMA; break; /* newer Wwise (variable, probably means "platform's ADPCM") */
|
|
case 0x0069: ww->codec = IMA; break; /* older Wwise [Spiderman Web of Shadows (X360), LotR Conquest (PC)] */
|
|
case 0x0161: ww->codec = XWMA; break; /* WMAv2 */
|
|
case 0x0162: ww->codec = XWMA; break; /* WMAPro */
|
|
case 0x0165: ww->codec = XMA2; break; /* XMA2-chunk XMA (Wwise doesn't use XMA1) */
|
|
case 0x0166: ww->codec = XMA2; break; /* fmt-chunk XMA */
|
|
case 0xAAC0: ww->codec = AAC; break;
|
|
case 0xFFF0: ww->codec = DSP; break;
|
|
case 0xFFFB: ww->codec = HEVAG; break; /* "VAG" */
|
|
case 0xFFFC: ww->codec = ATRAC9; break;
|
|
case 0xFFFE: ww->codec = PCM; break; /* "PCM for Wwise Authoring" */
|
|
case 0xFFFF: ww->codec = VORBIS; break;
|
|
case 0x3039: ww->codec = OPUSNX; break; /* renamed from "OPUS" on Wwise 2018.1 */
|
|
case 0x3040: ww->codec = OPUS; break;
|
|
case 0x3041: ww->codec = OPUSWW; break; /* "OPUS_WEM", added on Wwise 2019.2.3, replaces OPUS */
|
|
case 0x8311: ww->codec = PTADPCM; break; /* added on Wwise 2019.1, replaces IMA */
|
|
default:
|
|
/* some .wav may end up here, only report in .wem cases (newer codecs) */
|
|
if (ww->is_wem)
|
|
vgm_logi("WWISE: unknown codec 0x%04x (report)\n", ww->format);
|
|
goto fail;
|
|
}
|
|
|
|
/* identify system's ADPCM */
|
|
if (ww->format == 0x0002) {
|
|
if (ww->extra_size == 0x0c + ww->channels * 0x2e) {
|
|
/* newer Wwise DSP with coefs [Epic Mickey 2 (Wii), Batman Arkham Origins Blackgate (3DS)] */
|
|
ww->codec = DSP;
|
|
}
|
|
else if (ww->extra_size == 0x0a && ww->wiih_offset) { /* WiiH */
|
|
/* few older Wwise DSP with num_samples in extra_size [Tony Hawk: Shred (Wii)] */
|
|
ww->codec = DSP;
|
|
}
|
|
else if (ww->block_size == 0x104 * ww->channels) {
|
|
/* Bayonetta 2 (Switch) */
|
|
ww->codec = PTADPCM;
|
|
}
|
|
}
|
|
|
|
|
|
/* Some Wwise .bnk (RAM) files have truncated, prefetch mirrors of another file, that
|
|
* play while the rest of the real stream loads. We'll add basic support to avoid
|
|
* complaints of this or that .wem not playing */
|
|
if (ww->data_offset + ww->data_size > ww->file_size) {
|
|
//;VGM_LOG("WWISE: truncated data size (prefetch): (real=0x%x > riff=0x%x)\n", ww->data_size, ww->file_size);
|
|
|
|
/* catch wrong rips as truncated tracks' file_size should be much smaller than data_size,
|
|
* but it's possible to pre-fetch small files too [Punch Out!! (Wii)] */
|
|
if (ww->data_offset + ww->data_size - ww->file_size < 0x5000 && ww->file_size > 0x10000) {
|
|
vgm_logi("WWISE: wrong expected size (re-rip?)\n");
|
|
goto fail;
|
|
}
|
|
|
|
if (ww->codec == PCM || ww->codec == IMA || ww->codec == VORBIS || ww->codec == DSP || ww->codec == XMA2 ||
|
|
ww->codec == OPUSNX || ww->codec == OPUS || ww->codec == OPUSWW || ww->codec == PTADPCM || ww->codec == XWMA || ww->codec == ATRAC9) {
|
|
ww->prefetch = 1; /* only seen those, probably all exist (missing XWMA, AAC, HEVAG) */
|
|
} else {
|
|
vgm_logi("WWISE: wrong expected size, maybe prefetch (report)\n");
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
|
|
/* Cyberpunk 2077 has some mutant .wem, with proper Wwise header and PCMEX but data is standard OPUS.
|
|
* From init bank and CAkSound's sources, those may be piped through their plugins. They come in
|
|
* .opuspak (no names), have wrong riff/data sizes and only seem used for sfx (other audio is Vorbis). */
|
|
if (ww->format == 0xFFFE && ww->prefetch) {
|
|
if (is_id32be(ww->data_offset + 0x00, sf, "OggS")) {
|
|
ww->codec = OPUSCPR;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
fail:
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* VORBIS FORMAT RESEARCH */
|
|
/*
|
|
- old format
|
|
"fmt" size 0x28, extra size 0x16 / size 0x18, extra size 0x06
|
|
0x18-24 (16): ? (fixed: 0x01000000 00001000 800000AA 00389B71) [removed when extra size is 0x06]
|
|
|
|
"vorb" size 0x34
|
|
0x00 (4): dwTotalPCMFrames
|
|
0x04 (4): skip samples?
|
|
0x08 (4): LoopInfo.uLoopBeginExtra? (present if loop)
|
|
0x0c (4): LoopInfo.dwLoopStartPacketOffset (data start, or loop start when "smpl" is present)
|
|
0x10 (4): LoopInfo.uLoopEndExtra? (0..~0x400)
|
|
0x14 (4): LoopInfo.dwLoopEndPacketOffset?
|
|
0x18 (4): dwSeekTableSize (0 = no seek table)
|
|
0x1c (4): dwVorbisDataOffset (offset within data)
|
|
0x20 (2): uMaxPacketSize (not including header)
|
|
0x22 (2): uLastGranuleExtra (0..~0x100)
|
|
0x24 (4): dwDecodeAllocSize (0~0x5000)
|
|
0x28 (4): dwDecodeX64AllocSize (mid, 0~0x5000)
|
|
0x2c (4): uHashCodebook? (shared by several .wem a game, but not all need to share it)
|
|
0x30 (1): uBlockSizes[0] (blocksize_1_exp, small)
|
|
0x31 (1): uBlockSizes[1] (blocksize_0_exp, large)
|
|
0x32 (2): empty
|
|
|
|
"vorb" size 0x28 / 0x2c / 0x2a
|
|
0x00 (4): dwTotalPCMFrames
|
|
0x04 (4): LoopInfo.dwLoopStartPacketOffset (data start, or loop start when "smpl" is present)
|
|
0x08 (4): LoopInfo.dwLoopEndPacketOffset (data end, or loop end when "smpl" is present)
|
|
0x0c (2): ? (small, 0..~0x400) [(4) when size is 0x2C]
|
|
0x10 (4): dwSeekTableSize (0 = no seek table)
|
|
0x14 (4): dwVorbisDataOffset (offset within data)
|
|
0x18 (2): uMaxPacketSize (not including header)
|
|
0x1a (2): uLastGranuleExtra (0..~0x100) [(4) when size is 0x2C]
|
|
0x1c (4): dwDecodeAllocSize (0~0x5000)
|
|
0x20 (4): dwDecodeX64AllocSize (0~0x5000)
|
|
0x24 (4): uHashCodebook? (shared by several .wem a game, but not all need to share it)
|
|
0x28 (1): uBlockSizes[0] (blocksize_1_exp, small) [removed when size is 0x28]
|
|
0x29 (1): uBlockSizes[1] (blocksize_0_exp, large) [removed when size is 0x28]
|
|
|
|
- new format:
|
|
"fmt" size 0x42, extra size 0x30
|
|
0x18 (4): dwTotalPCMFrames
|
|
0x1c (4): LoopInfo.dwLoopStartPacketOffset (data start, or loop start when "smpl" is present)
|
|
0x20 (4): LoopInfo.dwLoopEndPacketOffset (data end, or loop end when "smpl" is present)
|
|
0x24 (2): LoopInfo.uLoopBeginExtra (small, 0..~0x400)
|
|
0x26 (2): LoopInfo.uLoopEndExtra (extra samples after seek?)
|
|
0x28 (4): dwSeekTableSize (0 = no seek table)
|
|
0x2c (4): dwVorbisDataOffset (offset within data)
|
|
0x30 (2): uMaxPacketSize (not including header)
|
|
0x32 (2): uLastGranuleExtra (small, 0..~0x100)
|
|
0x34 (4): dwDecodeAllocSize (mid, 0~0x5000)
|
|
0x38 (4): dwDecodeX64AllocSize (mid, 0~0x5000)
|
|
0x40 (1): uBlockSizes[0] (blocksize_1_exp, small)
|
|
0x41 (1): uBlockSizes[1] (blocksize_0_exp, large)
|
|
*/
|