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-rw-r--r--spec/bsw.fspec5
-rw-r--r--spec/flac.fspec172
-rw-r--r--spec/midi.fspec14
-rw-r--r--spec/riff.fspec18
4 files changed, 209 insertions, 0 deletions
diff --git a/spec/bsw.fspec b/spec/bsw.fspec
new file mode 100644
index 0000000..5e868eb
--- /dev/null
+++ b/spec/bsw.fspec
@@ -0,0 +1,5 @@
+struct v {
+ u8 header[4] | matches('CWS\0') str;
+ u32 size dec;
+ u8 data[until(false)] | compression('zlib', size) hex;
+};
diff --git a/spec/flac.fspec b/spec/flac.fspec
new file mode 100644
index 0000000..6ee85e9
--- /dev/null
+++ b/spec/flac.fspec
@@ -0,0 +1,172 @@
+enum {
+ STREAMINFO,
+ PADDING,
+ APPLICATION,
+ SEEKTABLE,
+ VORBIS_COMMENT,
+ CUESHEET,
+ PICTURE,
+ INVALID = 127
+};
+
+struct utf8_string {
+ u32 length;
+ u8 string[length] | encoding('utf8') str;
+};
+
+struct ascii_string {
+ u32 length;
+ u8 string[length] | encoding('ascii') str;
+};
+
+struct flac {
+ u8 header[4] | matches('fLaC') str;
+ struct {
+ u1 last_metadata_block;
+ u7 block_type | range(STREAMINFO, INVALID);
+ u24 length;
+ select (block_type) {
+ STREAMINFO)
+ struct {
+ u16 min_block_size_in_samples;
+ u16 max_block_size_in_samples;
+ u24 min_frame_size_in_bytes;
+ u24 max_frame_size_in_bytes;
+ u20 sample_rate_in_hz;
+ u3 channels;
+ u5 bps;
+ u36 total_samples;
+ u128 md5 hex;
+ } streaminfo;
+ PADDING)
+ struct {
+ u8 zero[length] nul;
+ } padding;
+ APPLICATION)
+ struct {
+ u32 id;
+ u8 data[length] hex;
+ } application;
+ SEEKTABLE)
+ struct {
+ struct {
+ u64 sample_no;
+ u64 offset_in_bytes;
+ u16 num_samples;
+ } seekpoint[length / 18];
+ } seektable;
+ VORBIS_COMMENT)
+ struct {
+ struct utf8_string vendor;
+ u32 user_comment_list_length;
+ struct utf8_string user_comment[user_comment_list_length];
+ u1 framing_bit | matches(true);
+ } vorbis_comment le;
+ CUESHEET)
+ struct {
+ u8 catalog[128] | encoding('ascii') str;
+ u64 lead_in_samples;
+ u1 is_compact_disc;
+ u2071 reserved nul;
+ u8 num_tracks;
+ struct {
+ u64 offset_in_samples;
+ u8 index;
+ u8 isrc[12] | encoding('ascii') str;
+ u1 type;
+ u1 pre_emphasis;
+ u110 reserved nul;
+ u8 num_index_points;
+ struct {
+ u64 offset_in_samples;
+ u8 index;
+ u24 reserved;
+ } indices[num_index_points];
+ } track[num_tracks];
+ } cuesheet;
+ PICTURE)
+ struct {
+ u32 type;
+ struct ascii_string mime;
+ struct utf8_string description;
+ u32 width;
+ u32 height;
+ u32 color_depth_in_bps;
+ u32 num_colors_for_indexed;
+ u32 length;
+ u8 data[length] hex;
+ } picture;
+ *)
+ u8 any[length] hex;
+ } data;
+ } metadata[until (metadata.last_metadata_block)];
+ struct {
+ u14 sync_code | matches(b11111111111110);
+ u1 reserved1 nul;
+ u1 blocking_strategy;
+ u4 block_size_in_inter_channel_samples;
+ u4 sample_rate;
+ u4 channel_assignment;
+ u3 sample_size_in_bits;
+ u1 reserved2 nul;
+ select (blocking_stragety) {
+ 0) u8 frame[reserved[1]] | encoding('utf8') hex;
+ 1) u8 sample['\0':6] | encoding('utf8') hex;
+ } index;
+ select (block_size_in_inter_channel_samples) {
+ b0110) u8 value1;
+ b0111) u16 value2;
+ } block_size_bit;
+ select (sample_rate) {
+ b1100) u8 value_in_kHz;
+ b1101) u16 value_in_Hz;
+ b1110) u16 value_in_tens_of_Hz;
+ } sample_rate_bit;
+ u8 crc_8 hex;
+ struct {
+ u1 padding nul;
+ u6 type;
+ u1 wasted_bits_per_sample[until (wasted_bits_per_sample)];
+ select (type) {
+ // missing verbatim and lpc
+ b000000)
+ struct {
+ select (sample_size_in_bits) {
+ b000) u1 v[metadata[0].data.streaminfo.bps];
+ b001) u8 v8;
+ b011) u12 v12;
+ b100) u16 v16;
+ b101) u20 v20;
+ b110) u24 v24;
+ } value;
+ } constant;
+ '001xxxx')
+ struct {
+ u1 warmup[bps * (type & 7)] hex;
+ struct {
+ u2 method_type;
+ select (method_type) {
+ b00)
+ struct {
+ u4 order;
+ struct {
+ // this format is annoying.. :D
+ u1 todo;
+ } partition;
+ } partitioned_rice;
+ b01)
+ struct {
+ u4 order;
+ struct {
+ // this format is annoying.. :D
+ u1 todo;
+ } partition;
+ } partitioned_rice2;
+ } method;
+ } residual;
+ } fixed;
+ } data;
+ } subframe;
+ u16 crc_16 hex;
+ } frame[until (false)];
+} be;
diff --git a/spec/midi.fspec b/spec/midi.fspec
new file mode 100644
index 0000000..2c46944
--- /dev/null
+++ b/spec/midi.fspec
@@ -0,0 +1,14 @@
+struct midi_track {
+ u8 type[4] | matches('MTrk') str;
+ u32 length;
+ u8 data[length];
+};
+
+struct midi {
+ u8 type[4] | matches('MThd') str;
+ u32 length | matches(6);
+ u16 format;
+ u16 track_count;
+ u16 division;
+ struct midi_track tracks[track_count];
+};
diff --git a/spec/riff.fspec b/spec/riff.fspec
new file mode 100644
index 0000000..39de9d3
--- /dev/null
+++ b/spec/riff.fspec
@@ -0,0 +1,18 @@
+struct riff_chunk {
+ u8 header[4] str;
+ u32 size;
+ // Needs union, for LIST header there is no data
+ // type: u8[4] str;
+ u8 data[size] hex;
+};
+
+struct riff_header {
+ u8 header[4] str;
+ u32 size;
+ u8 type[4] str;
+};
+
+struct riff {
+ struct riff_header header;
+ struct riff_chunk chunks[until (false)];
+};