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bnnm 2020-03-08 22:03:45 +01:00
parent d67ead8afa
commit 1430f7dc7c
1 changed files with 75 additions and 75 deletions
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150
src/meta/ngc_vid1.c
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@ -1,75 +1,75 @@
#include "meta.h"
#include "../util.h"
#include "../coding/coding.h"
/* VID1 - from Neversoft games (Gun, Tony Hawk's American Wasteland GC) */
VGMSTREAM * init_vgmstream_ngc_vid1(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, header_offset, header_size;
int loop_flag = 0, channel_count;
/* check extension */
if (!check_extensions(streamFile,"ogg,logg"))
goto fail;
/* chunked/blocked format containing video or audio frames */
if (read_32bitBE(0x00,streamFile) != 0x56494431) /* "VID1" */
goto fail;
/* find actual header start/size in the chunks */
{
header_offset = read_32bitBE(0x04, streamFile);
if (read_32bitBE(header_offset,streamFile) != 0x48454144) /* "HEAD" */
goto fail;
start_offset = header_offset + read_32bitBE(header_offset + 0x04, streamFile);
header_offset += 0x0c;
/* videos have VIDH before AUDH, and VIDD in blocks, but aren't parsed ATM */
if (read_32bitBE(header_offset,streamFile) != 0x41554448) /* "AUDH" */
goto fail;
header_size = read_32bitBE(header_offset + 0x04, streamFile);
header_offset += 0x0c;
if (read_32bitBE(header_offset,streamFile) != 0x56415544) /* "VAUD" (Vorbis audio?) */
goto fail;
header_offset += 0x04;
header_size -= 0x10;
}
channel_count = read_8bit(header_offset + 0x04,streamFile);
/* other values unknown, maybe related to vorbis (ex. bitrate/encoding modes) */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = read_32bitBE(header_offset + 0x00, streamFile);
vgmstream->num_samples = read_32bitBE(header_offset + 0x1c, streamFile);
vgmstream->meta_type = meta_NGC_VID1;
#ifdef VGM_USE_VORBIS
{
vorbis_custom_config cfg = {0};
vgmstream->layout_type = layout_none;
vgmstream->coding_type = coding_VORBIS_custom;
vgmstream->codec_data = init_vorbis_custom(streamFile, header_offset + 0x20, VORBIS_VID1, &cfg);
if (!vgmstream->codec_data) goto fail;
}
#else
goto fail;
#endif
/* open the file for reading */
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}
#include "meta.h"
#include "../util.h"
#include "../coding/coding.h"
/* VID1 - from Neversoft games (Gun, Tony Hawk's American Wasteland GC) */
VGMSTREAM * init_vgmstream_ngc_vid1(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
off_t start_offset, header_offset, header_size;
int loop_flag = 0, channel_count;
/* check extension */
if (!check_extensions(streamFile,"ogg,logg"))
goto fail;
/* chunked/blocked format containing video or audio frames */
if (read_32bitBE(0x00,streamFile) != 0x56494431) /* "VID1" */
goto fail;
/* find actual header start/size in the chunks */
{
header_offset = read_32bitBE(0x04, streamFile);
if (read_32bitBE(header_offset,streamFile) != 0x48454144) /* "HEAD" */
goto fail;
start_offset = header_offset + read_32bitBE(header_offset + 0x04, streamFile);
header_offset += 0x0c;
/* videos have VIDH before AUDH, and VIDD in blocks, but aren't parsed ATM */
if (read_32bitBE(header_offset,streamFile) != 0x41554448) /* "AUDH" */
goto fail;
header_size = read_32bitBE(header_offset + 0x04, streamFile);
header_offset += 0x0c;
if (read_32bitBE(header_offset,streamFile) != 0x56415544) /* "VAUD" (Vorbis audio?) */
goto fail;
header_offset += 0x04;
header_size -= 0x10;
}
channel_count = read_8bit(header_offset + 0x04,streamFile);
/* other values unknown, maybe related to vorbis (ex. bitrate/encoding modes) */
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
vgmstream->sample_rate = read_32bitBE(header_offset + 0x00, streamFile);
vgmstream->num_samples = read_32bitBE(header_offset + 0x1c, streamFile);
vgmstream->meta_type = meta_NGC_VID1;
#ifdef VGM_USE_VORBIS
{
vorbis_custom_config cfg = {0};
vgmstream->layout_type = layout_none;
vgmstream->coding_type = coding_VORBIS_custom;
vgmstream->codec_data = init_vorbis_custom(streamFile, header_offset + 0x20, VORBIS_VID1, &cfg);
if (!vgmstream->codec_data) goto fail;
}
#else
goto fail;
#endif
/* open the file for reading */
if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}