Cool_Tools/vgmstream
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Add extra .wave test codecs

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bnnm 2025-01-08 18:04:02 +01:00
parent a2f75bb43f
commit f229833ec0
1 changed files with 52 additions and 36 deletions
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88
src/meta/wave.c
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@ -8,7 +8,6 @@ VGMSTREAM* init_vgmstream_wave(STREAMFILE* sf) {
uint32_t start_offset, extradata_offset, interleave;
int channels, loop_flag, sample_rate, codec, version;
int32_t num_samples, loop_start, loop_end;
int big_endian;
read_u32_t read_u32;
read_s32_t read_s32;
read_f32_t read_f32;
@ -25,7 +24,7 @@ VGMSTREAM* init_vgmstream_wave(STREAMFILE* sf) {
if (!check_extensions(sf, "wave"))
return NULL;
big_endian = read_u32be(0x00,sf) == 0xE5B7ECFE || is_id32be(0x00,sf, "WWAV");
bool big_endian = read_u32be(0x00,sf) == 0xE5B7ECFE || is_id32be(0x00,sf, "WWAV");
if (big_endian) {
read_u32 = read_u32be;
read_s32 = read_s32be;
@ -46,7 +45,7 @@ VGMSTREAM* init_vgmstream_wave(STREAMFILE* sf) {
loop_end = read_s32(0x18, sf);
codec = read_u8(0x1c, sf);
channels = read_u8(0x1d, sf);
channels = read_u8(0x1d, sf); // DS can only do mono
if (read_u8(0x1e, sf) != 0x00) goto fail; /* unknown */
if (read_u8(0x1f, sf) != 0x00) goto fail; /* unknown */
@ -60,14 +59,19 @@ VGMSTREAM* init_vgmstream_wave(STREAMFILE* sf) {
if(!loop_flag
&& loop_start == 0 && loop_end == num_samples /* full loop */
&& (channels > 1 || (channels == 1 && start_offset <= 0x40))
&& num_samples > 30*sample_rate) { /* in seconds */
&& num_samples > 30 * sample_rate) { /* in seconds */
loop_flag = 1;
}
/* normalize codec: WWAV uses codec 0x00 for DSP */
/* normalize codec (files generated by DsBuildWave/3dsBuildWave) */
if (codec == 0x00 && version == 0x00050000 && start_offset > 0x40) {
/* WWAV uses codec 0x00 for DSP (only one?) */
codec = 0x02;
}
else if (codec == 0x02 && start_offset <= 0x40) {
/* DS games use IMA, no apparent flag (could also test ID) */
codec = 0x03;
}
/* build the VGMSTREAM */
@ -81,39 +85,51 @@ VGMSTREAM* init_vgmstream_wave(STREAMFILE* sf) {
vgmstream->meta_type = meta_WAVE;
/* not sure if there are other codecs but anyway (based on wave-segmented) */
/* some codecs aren't used by known games but can be created by DsBuildWave/3dsBuildWave */
switch(codec) {
case 0x02:
/* DS games use IMA, no apparent flag (could also test ID) */
if (start_offset <= 0x40) {
vgmstream->coding_type = coding_IMA_int;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
/* extradata:
* 0x00: base hist? (only seen 0)
* 0x02: base step? (only seen 0)
* 0x04: loop hist?
* 0x06: loop step?
*/
}
else {
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
/* ADPCM setup: 0x20 coefs + 0x06 initial ps/hist1/hist2 + 0x06 loop ps/hist1/hist2 + ?, per channel */
int head_spacing = 0x2c;
int hist_spacing = 0x22;
if (version == 0x00050000) { /* has an extra empty 16b after coefs */
head_spacing = 0x2e;
hist_spacing = 0x24;
}
dsp_read_coefs(vgmstream, sf, extradata_offset + 0x00, head_spacing, big_endian);
dsp_read_hist(vgmstream, sf, extradata_offset + hist_spacing, head_spacing, big_endian);
}
case 0x00: // PCM8 (not seen)
vgmstream->coding_type = coding_PCM8;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
break;
case 0x01: // PCM16 (not seen)
vgmstream->coding_type = coding_PCM16BE;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
break;
case 0x02: { // DSP (3DS only, common)
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
/* ADPCM setup: 0x20 coefs + 0x06 initial ps/hist1/hist2 + 0x06 loop ps/hist1/hist2 + ?, per channel */
int head_spacing = 0x2c;
int hist_spacing = 0x22;
if (version == 0x00050000) { /* has an extra empty 16b after coefs */
head_spacing = 0x2e;
hist_spacing = 0x24;
}
dsp_read_coefs(vgmstream, sf, extradata_offset + 0x00, head_spacing, big_endian);
dsp_read_hist(vgmstream, sf, extradata_offset + hist_spacing, head_spacing, big_endian);
break;
}
case 0x03: //IMA (DS uses codec 02 for IMA, common; 3DS: uses 03 but not seen)
vgmstream->coding_type = coding_IMA_int;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
/* extradata:
* 0x00: base hist? (only seen 0)
* 0x02: base step? (only seen 0)
* 0x04: loop hist?
* 0x06: loop step?
*/
break;
default:
goto fail;
}