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Merge pull request #176 from soneek/master

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Added looping support for Vita GTD
This commit is contained in:
Christopher Snowhill 2018-01-15 17:09:56 -08:00 committed by GitHub
commit 61724c8e93
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1 changed files with 8 additions and 2 deletions
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10
src/meta/gtd.c
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@ -6,7 +6,7 @@ typedef enum { XMA2, ATRAC9 } gtd_codec;
/* GTD - found in Knights Contract (X360, PS3), Valhalla Knights 3 (PSV) */
VGMSTREAM * init_vgmstream_gtd(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, chunk_offset, stpr_offset, name_offset = 0;
off_t start_offset, chunk_offset, stpr_offset, name_offset = 0, loop_start_offset, loop_end_offset;
size_t data_size, chunk_size;
int loop_flag, channel_count, sample_rate;
int num_samples, loop_start_sample, loop_end_sample;
@ -48,6 +48,9 @@ VGMSTREAM * init_vgmstream_gtd(STREAMFILE *streamFile) {
start_offset = 0x34 + read_32bitLE(0x30,streamFile);
channel_count = read_32bitLE(0x10,streamFile);
sample_rate = read_32bitLE(0x14,streamFile);
loop_start_offset = read_32bitLE(0x1c, streamFile);
loop_end_offset = read_32bitLE(0x20, streamFile);
loop_flag = loop_end_offset > loop_start_offset;
at9_config_data = read_32bitBE(0x28,streamFile);
/* 0x18-0x28: fixed/unknown values */
@ -105,7 +108,10 @@ VGMSTREAM * init_vgmstream_gtd(STREAMFILE *streamFile) {
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_ATRAC9;
vgmstream->layout_type = layout_none;
if (loop_flag) {
vgmstream->loop_start_sample = atrac9_bytes_to_samples(loop_start_offset - start_offset, vgmstream->codec_data);
vgmstream->loop_end_sample = atrac9_bytes_to_samples(loop_end_offset - start_offset, vgmstream->codec_data);
}
vgmstream->num_samples = atrac9_bytes_to_samples(data_size, vgmstream->codec_data);
break;
}