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Update rfrm.c

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Support for LABL part in RFRM CSMP files
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Nathan Benichou 2018-09-01 15:21:46 +02:00 committed by GitHub
parent 72d0b7a3b0
commit 9d94fdb033
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 35 additions and 27 deletions
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62
src/meta/rfrm.c
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@ -1,15 +1,14 @@
#include "meta.h"
#include "../coding/coding.h"
/* RFTM - Retro Studios format [Donkey Kong Country Tropical Freeze (WiiU)] */
VGMSTREAM * init_vgmstream_rfrm(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, header_offset;
size_t interleave;
VGMSTREAM *init_vgmstream_rfrm(STREAMFILE *streamFile)
{
VGMSTREAM *vgmstream = NULL;
off_t fmta_offset = 0x20, header_offset, start_offset;
size_t stream_size, interleave;
int loop_flag, channel_count;
/* checks */
if (!check_extensions(streamFile, "csmp"))
goto fail;
@ -20,37 +19,46 @@ VGMSTREAM * init_vgmstream_rfrm(STREAMFILE *streamFile) {
goto fail;
if (read_32bitBE(0x14, streamFile) != 0x43534D50) /* "CSMP" */
goto fail;
if (read_32bitBE(0x3d, streamFile) != 0x44415441) /* "DATA" */
stream_size = read_32bitBE(0x08, streamFile) - 0x38; /* stream size is counted from FMTA or LABL, the fixed size FMTA part can already be removed */
if (read_32bitBE(fmta_offset, streamFile) == 0x4C41424C) /* "LABL" */
{
size_t labl_size = 0x18 + read_32bitBE(0x28, streamFile); /* the size of the LABL part is variable */
fmta_offset += labl_size; /* the FMTA part have been moved by the LABL part */
stream_size -= labl_size; /* remove the LABL part */
}
header_offset = fmta_offset + 0x38; /* where the first DSP sub-file starts */
start_offset = header_offset + 0x60; /* skip DSP header */
channel_count = read_32bitBE(fmta_offset + 0x15, streamFile);
loop_flag = read_16bitBE(header_offset + 0x0C, streamFile); /* read loop flag in the first DSP sub-file */
interleave = stream_size / channel_count; /* each DSP sub-file is a channel */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream)
goto fail;
channel_count = read_32bitBE(0x35, streamFile);
header_offset = 0x58;
loop_flag = read_16bitBE(header_offset+0x0c,streamFile);
start_offset = header_offset + 0x60;
interleave = (get_streamfile_size(streamFile) - header_offset) / channel_count;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_RFRM;
vgmstream->sample_rate = read_32bitBE(header_offset+0x08,streamFile);
vgmstream->num_samples = read_32bitBE(header_offset+0x00,streamFile);
vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bitBE(header_offset+0x10,streamFile));
vgmstream->loop_end_sample = dsp_nibbles_to_samples(read_32bitBE(header_offset+0x14,streamFile))+1;
/* read DSP header */
vgmstream->sample_rate = read_32bitBE(header_offset + 0x08, streamFile);
vgmstream->num_samples = read_32bitBE(header_offset + 0x00, streamFile);
vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bitBE(header_offset + 0x10, streamFile));
vgmstream->loop_end_sample = dsp_nibbles_to_samples(read_32bitBE(header_offset + 0x14, streamFile)) + 1;
if (vgmstream->loop_end_sample > vgmstream->num_samples) /* ? */
vgmstream->loop_end_sample = vgmstream->num_samples;
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
dsp_read_coefs_be(vgmstream, streamFile, header_offset+0x1c, interleave);
dsp_read_hist_be(vgmstream, streamFile, header_offset+0x40, interleave);
dsp_read_coefs_be(vgmstream, streamFile, header_offset + 0x1C, interleave);
dsp_read_hist_be(vgmstream, streamFile, header_offset + 0x40, interleave);
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
goto fail;
return vgmstream;