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https://github.com/vgmstream/vgmstream.git
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Add PCM24 codec [Legend of Mana (PC)]
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@ -92,6 +92,7 @@ void decode_ulaw(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing,
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void decode_ulaw_int(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do);
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void decode_alaw(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do);
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void decode_pcmfloat(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int big_endian);
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void decode_pcm24le(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do);
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int32_t pcm_bytes_to_samples(size_t bytes, int channels, int bits_per_sample);
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int32_t pcm16_bytes_to_samples(size_t bytes, int channels);
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int32_t pcm8_bytes_to_samples(size_t bytes, int channels);
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@ -2,7 +2,7 @@
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#include "../util.h"
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#include <math.h>
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void decode_pcm16le(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_pcm16le(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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@ -11,7 +11,7 @@ void decode_pcm16le(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspa
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}
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}
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void decode_pcm16be(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_pcm16be(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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@ -20,7 +20,7 @@ void decode_pcm16be(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspa
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}
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}
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void decode_pcm16_int(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int big_endian) {
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void decode_pcm16_int(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int big_endian) {
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int i, sample_count;
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int16_t (*read_16bit)(off_t,STREAMFILE*) = big_endian ? read_16bitBE : read_16bitLE;
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@ -29,7 +29,7 @@ void decode_pcm16_int(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channels
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}
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}
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void decode_pcm8(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_pcm8(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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@ -38,7 +38,7 @@ void decode_pcm8(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacin
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}
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}
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void decode_pcm8_int(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_pcm8_int(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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@ -47,7 +47,7 @@ void decode_pcm8_int(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelsp
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}
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}
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void decode_pcm8_unsigned(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_pcm8_unsigned(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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@ -57,7 +57,7 @@ void decode_pcm8_unsigned(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int chan
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}
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}
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void decode_pcm8_unsigned_int(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_pcm8_unsigned_int(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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@ -67,7 +67,7 @@ void decode_pcm8_unsigned_int(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int
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}
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}
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void decode_pcm8_sb(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_pcm8_sb(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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@ -78,7 +78,7 @@ void decode_pcm8_sb(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspa
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}
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}
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void decode_pcm4(VGMSTREAM * vgmstream, VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel) {
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void decode_pcm4(VGMSTREAM * vgmstream, VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel) {
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int i, nibble_shift, is_high_first, is_stereo;
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int32_t sample_count;
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int16_t v;
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@ -101,7 +101,7 @@ void decode_pcm4(VGMSTREAM * vgmstream, VGMSTREAMCHANNEL * stream, sample_t * ou
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}
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}
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void decode_pcm4_unsigned(VGMSTREAM * vgmstream, VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel) {
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void decode_pcm4_unsigned(VGMSTREAM * vgmstream, VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel) {
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int i, nibble_shift, is_high_first, is_stereo;
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int32_t sample_count;
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int16_t v;
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@ -149,7 +149,7 @@ static int expand_ulaw(uint8_t ulawbyte) {
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}
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/* decodes u-law (ITU G.711 non-linear PCM), from g711.c */
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void decode_ulaw(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_ulaw(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i, sample_count;
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for (i=first_sample,sample_count=0; i<first_sample+samples_to_do; i++,sample_count+=channelspacing) {
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@ -159,7 +159,7 @@ void decode_ulaw(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacin
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}
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void decode_ulaw_int(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_ulaw_int(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i, sample_count;
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for (i=first_sample,sample_count=0; i<first_sample+samples_to_do; i++,sample_count+=channelspacing) {
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@ -195,7 +195,7 @@ static int expand_alaw(uint8_t alawbyte) {
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}
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/* decodes a-law (ITU G.711 non-linear PCM), from g711.c */
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void decode_alaw(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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void decode_alaw(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i, sample_count;
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for (i=first_sample,sample_count=0; i<first_sample+samples_to_do; i++,sample_count+=channelspacing) {
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@ -204,7 +204,7 @@ void decode_alaw(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacin
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}
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}
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void decode_pcmfloat(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int big_endian) {
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void decode_pcmfloat(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int big_endian) {
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int i, sample_count;
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float (*read_f32)(off_t,STREAMFILE*) = big_endian ? read_f32be : read_f32le;
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@ -216,6 +216,17 @@ void decode_pcmfloat(VGMSTREAMCHANNEL * stream, sample_t * outbuf, int channelsp
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}
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}
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void decode_pcm24le(VGMSTREAMCHANNEL* stream, sample_t* outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do) {
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int i;
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int32_t sample_count;
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for (i=first_sample,sample_count=0; i<first_sample+samples_to_do; i++,sample_count+=channelspacing) {
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off_t offset = stream->offset + i * 0x03;
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int v = read_u8(offset+0x00, stream->streamfile) | (read_s16le(offset + 0x01, stream->streamfile) << 8);
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outbuf[sample_count] = (v >> 8);
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}
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}
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int32_t pcm_bytes_to_samples(size_t bytes, int channels, int bits_per_sample) {
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if (channels <= 0 || bits_per_sample <= 0) return 0;
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return ((int64_t)bytes * 8) / channels / bits_per_sample;
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10
src/decode.c
10
src/decode.c
@ -368,6 +368,7 @@ int get_vgmstream_samples_per_frame(VGMSTREAM* vgmstream) {
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case coding_ULAW_int:
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case coding_ALAW:
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case coding_PCMFLOAT:
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case coding_PCM24LE:
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return 1;
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#ifdef VGM_USE_VORBIS
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case coding_OGG_VORBIS:
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@ -592,6 +593,8 @@ int get_vgmstream_frame_size(VGMSTREAM* vgmstream) {
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return 0x01;
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case coding_PCMFLOAT:
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return 0x04;
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case coding_PCM24LE:
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return 0x03;
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case coding_SDX2:
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case coding_SDX2_int:
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@ -886,6 +889,13 @@ void decode_vgmstream(VGMSTREAM* vgmstream, int samples_written, int samples_to_
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}
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break;
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case coding_PCM24LE:
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for (ch = 0; ch < vgmstream->channels; ch++) {
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decode_pcm24le(&vgmstream->ch[ch], buffer+ch,
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vgmstream->channels, vgmstream->samples_into_block, samples_to_do);
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}
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break;
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case coding_NDS_IMA:
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for (ch = 0; ch < vgmstream->channels; ch++) {
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decode_nds_ima(&vgmstream->ch[ch], buffer+ch,
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@ -716,6 +716,7 @@ static const coding_info coding_info_list[] = {
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{coding_ULAW_int, "8-bit u-Law with 1 byte interleave (block)"},
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{coding_ALAW, "8-bit a-Law"},
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{coding_PCMFLOAT, "32-bit float PCM"},
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{coding_PCM24LE, "24-bit Little Endian PCM"},
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{coding_CRI_ADX, "CRI ADX 4-bit ADPCM"},
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{coding_CRI_ADX_fixed, "CRI ADX 4-bit ADPCM (fixed coefficients)"},
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@ -67,7 +67,8 @@ typedef enum {
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coding_ULAW_int, /* 8-bit u-Law (non-linear PCM) with sample-level interleave (for blocks) */
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coding_ALAW, /* 8-bit a-Law (non-linear PCM) */
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coding_PCMFLOAT, /* 32 bit float PCM */
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coding_PCMFLOAT, /* 32-bit float PCM */
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coding_PCM24LE, /* 24-bit PCM */
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/* ADPCM */
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coding_CRI_ADX, /* CRI ADX */
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