mirror of
https://github.com/vgmstream/vgmstream.git
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247 lines
9.1 KiB
C
247 lines
9.1 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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#include "xnb_streamfile.h"
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/* XNB - Microsoft XNA Game Studio 4.0 format */
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VGMSTREAM* init_vgmstream_xnb(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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STREAMFILE* sf_h = NULL;
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off_t start_offset, offset, xma_chunk_offset = 0;
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int loop_flag = 0, channel_count, num_samples = 0, loop_start = 0, loop_end = 0;
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int big_endian, flags, codec, sample_rate, block_align, bps;
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size_t data_size;
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char platform;
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int is_ogg = 0, is_at9 = 0;
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/* checks */
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if (!check_extensions(sf,"xnb"))
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goto fail;
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if ((read_32bitBE(0x00, sf) & 0xFFFFFF00) != 0x584E4200) /* "XNB" */
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goto fail;
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/* XNA Studio platforms: 'w' = Windows, 'm' = Windows Phone 7, 'x' = X360
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* MonoGame extensions: 'i' = iOS, 'a' = Android, 'X' = MacOSX, 'P' = PS4, 'S' = Switch, etc */
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platform = read_u8(0x03, sf);
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big_endian = (platform == 'x');
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if (read_u8(0x04,sf) != 0x04 && /* XNA 3.0? found on Scare Me (XBLIG), no notable diffs */
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read_u8(0x04,sf) != 0x05) /* XNA 4.0 version */
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goto fail;
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flags = read_u8(0x05, sf);
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//if (flags & 0x01) goto fail; /* "HiDef profile" content (no actual difference) */
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/* full size */
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if (read_32bitLE(0x06, sf) != get_streamfile_size(sf)) {
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goto fail;
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}
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/* handle XNB compression as a normal non-compressed stream, normally for graphics
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* and other formats, but confused devs use it with already-compressed audio like Ogg/ATRAC9 */
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if ((flags & 0x80) || /* LZX/XMemCompress (not used with audio?) */
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(flags & 0x40)) { /* LZ4 (MonoGame extension) [Square Heroes (PS4), Little Savior (PC)] */
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size_t compression_start = 0x0e;
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size_t compression_size = read_u32le(0x0a, sf);
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sf_h = setup_xnb_streamfile(sf, flags, compression_start, compression_size);
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if (!sf_h) goto fail;
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//dump_streamfile(sf_h, 0);
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offset = 0x0e; /* refers to decompressed stream */
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}
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else {
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sf_h = sf;
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offset = 0x0a;
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}
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/* XNB contains "type reader" class references to parse "shared resource" data (can be any implemented filetype) */
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{
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char reader_name[255+1];
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size_t reader_string_len;
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uint32_t fmt_chunk_size;
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const char* type_sound = "Microsoft.Xna.Framework.Content.SoundEffectReader"; /* partial "fmt" chunk or XMA */
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const char* type_ogg = "SoundEffectFromOggReader"; /* has extra text info after base part */
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//const char* type_song = "Microsoft.Xna.Framework.Content.SongReader"; /* references a companion .wma */
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/* type reader count, accept only one for now */
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if (read_u8(offset++, sf_h) != 1)
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goto fail;
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reader_string_len = read_u8(offset++, sf_h); /* doesn't count null */
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if (reader_string_len > 255) goto fail;
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/* check SoundEffect type string */
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if (read_string(reader_name, reader_string_len+1, offset, sf_h) != reader_string_len)
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goto fail;
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if (strcmp(reader_name, type_sound) != 0) {
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is_ogg = strncmp(reader_name, type_ogg, strlen(type_ogg)) == 0;
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if (!is_ogg)
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goto fail;
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}
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offset += reader_string_len + 1;
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offset += 0x04; /* reader version, 0 */
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/* shared resource count */
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if (read_u8(offset++, sf_h) != 1)
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goto fail;
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/* shared resource: partial "fmt" chunk */
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fmt_chunk_size = read_32bitLE(offset, sf_h);
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offset += 0x04;
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{
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int32_t (*read_32bit)(off_t,STREAMFILE*) = big_endian ? read_32bitBE : read_32bitLE;
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int16_t (*read_16bit)(off_t,STREAMFILE*) = big_endian ? read_16bitBE : read_16bitLE;
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codec = (uint16_t)read_16bit(offset+0x00, sf_h);
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channel_count = read_16bit(offset+0x02, sf_h);
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sample_rate = read_32bit(offset+0x04, sf_h);
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/* 0x08: byte rate */
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block_align = read_16bit(offset+0x0c, sf_h);
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bps = read_16bit(offset+0x0e, sf_h);
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if (codec == 0x0002) {
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if (!msadpcm_check_coefs(sf_h, offset + 0x14))
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goto fail;
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}
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if (codec == 0x0166) {
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xma2_parse_fmt_chunk_extra(sf_h, offset, &loop_flag, &num_samples, &loop_start, &loop_end, big_endian);
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xma_chunk_offset = offset;
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}
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if (codec == 0xFFFF) {
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if (platform != 'S') goto fail;
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sample_rate = read_32bit(offset+fmt_chunk_size+0x04+0x08, sf_h);
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}
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/* mini-fmt has AT9 stuff then a regular RIFF [Square Heroes (PS4)] */
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if (codec == 0xFFFE) {
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is_at9 = 1;
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}
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/* regular (with loop tags) Ogg poses as PCM [Little Savior (PC)] */
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}
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offset += fmt_chunk_size;
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data_size = read_32bitLE(offset, sf_h);
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offset += 0x04;
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start_offset = offset;
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}
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/* container handling */
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if (is_ogg || is_at9) {
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STREAMFILE* temp_sf = NULL;
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const char* fake_ext = is_ogg ? "ogg" : "at9";
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/* after data_size is loop start + loop length and offset? (same as loop tags), 0 if not enabled */
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temp_sf = setup_subfile_streamfile(sf_h, start_offset, data_size, fake_ext);
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if (!temp_sf) goto fail;
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if (is_ogg) {
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#ifdef VGM_USE_VORBIS
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vgmstream = init_vgmstream_ogg_vorbis(temp_sf);
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#endif
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} else {
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vgmstream = init_vgmstream_riff(temp_sf);
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}
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close_streamfile(temp_sf);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_XNB;
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if (sf_h != sf) close_streamfile(sf_h);
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return vgmstream;
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}
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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 = sample_rate;
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vgmstream->meta_type = meta_XNB;
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switch (codec) {
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case 0x01: /* Dragon's Blade (Android) */
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if (!block_align) /* null in Metagalactic Blitz (PC) */
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block_align = (bps == 8 ? 0x01 : 0x02) * channel_count;
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vgmstream->coding_type = bps == 8 ? coding_PCM8_U : coding_PCM16LE;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = block_align / channel_count;
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vgmstream->num_samples = pcm_bytes_to_samples(data_size, channel_count, bps);
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break;
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case 0x02: /* White Noise Online (PC) */
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if (!block_align) goto fail;
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vgmstream->coding_type = coding_MSADPCM;
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vgmstream->layout_type = layout_none;
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vgmstream->frame_size = block_align;
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vgmstream->num_samples = msadpcm_bytes_to_samples(data_size, block_align, channel_count);
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break;
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case 0x11:
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if (!block_align) goto fail;
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vgmstream->coding_type = coding_MS_IMA;
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vgmstream->layout_type = layout_none;
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vgmstream->interleave_block_size = block_align;
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vgmstream->num_samples = ms_ima_bytes_to_samples(data_size, block_align, channel_count);
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break;
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#ifdef VGM_USE_FFMPEG
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case 0x166: { /* Terraria (X360) */
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uint8_t buf[0x100];
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int32_t bytes, block_size, block_count;
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block_size = 0x10000; /* guessed */
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block_count = data_size / block_size + (data_size % block_size ? 1 : 0);
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bytes = ffmpeg_make_riff_xma2(buf,0x100, num_samples, data_size, vgmstream->channels, vgmstream->sample_rate, block_count, block_size);
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vgmstream->codec_data = init_ffmpeg_header_offset(sf_h, buf,bytes, start_offset,data_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 = 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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xma_fix_raw_samples(vgmstream, sf_h, start_offset,data_size, xma_chunk_offset, 1,1);
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break;
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}
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#endif
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case 0xFFFF: /* Eagle Island (Switch) */
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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 = data_size / channel_count;
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vgmstream->num_samples = read_32bitLE(start_offset + 0x00, sf_h);
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//vgmstream->num_samples = dsp_bytes_to_samples(data_size - 0x60*channel_count, channel_count);
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dsp_read_coefs(vgmstream, sf_h, start_offset + 0x1c, vgmstream->interleave_block_size, big_endian);
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dsp_read_hist (vgmstream, sf_h, start_offset + 0x3c, vgmstream->interleave_block_size, big_endian);
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break;
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default:
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VGM_LOG("XNB: unknown codec 0x%x\n", codec);
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goto fail;
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}
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if (!vgmstream_open_stream(vgmstream, sf_h, start_offset))
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goto fail;
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if (sf_h != sf) close_streamfile(sf_h);
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return vgmstream;
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fail:
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if (sf_h != sf) close_streamfile(sf_h);
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close_vgmstream(vgmstream);
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return NULL;
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}
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