mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-20 10:25:53 +01:00
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../coding/coding.h"
|
||
|
|
|
||
|
|
|
||
|
|
/* MPEG - standard MP1/2/3 audio MP3 */
|
||
|
|
VGMSTREAM* init_vgmstream_mpeg(STREAMFILE* sf) {
|
||
|
|
VGMSTREAM* vgmstream = NULL;
|
||
|
|
int loop_flag = 0;
|
||
|
|
mpeg_frame_info info = {0};
|
||
|
|
|
||
|
|
|
||
|
|
/* checks */
|
||
|
|
if (!mpeg_get_frame_info(sf, 0x00, &info))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
/* .mp3/mp2: standard (is .mp1 ever used in games?)
|
||
|
|
* .lmp1/2/3: for plugins
|
||
|
|
* .mus: Marc Ecko's Getting Up (PC) */
|
||
|
|
if (!check_extensions(sf, "mp3,mp2,mp1,mus,lmp3,lmp2,lmp1"))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
loop_flag = 0;
|
||
|
|
|
||
|
|
|
||
|
|
/* build VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(info.channels, loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
vgmstream->meta_type = meta_MPEG;
|
||
|
|
vgmstream->sample_rate = info.sample_rate;
|
||
|
|
|
||
|
|
#ifdef VGM_USE_MPEG
|
||
|
|
/* more strict, use? */
|
||
|
|
//mpeg_custom_config cfg = {0};
|
||
|
|
//cfg.skip_samples = ...
|
||
|
|
//vgmstream->codec_data = init_mpeg_custom(sf, start_offset, &vgmstream->coding_type, fmt.channels, MPEG_STANDARD, &cfg);
|
||
|
|
|
||
|
|
vgmstream->codec_data = init_mpeg(sf, 0x00, &vgmstream->coding_type, info.channels);
|
||
|
|
if (!vgmstream->codec_data) goto fail;
|
||
|
|
vgmstream->layout_type = layout_none;
|
||
|
|
#else
|
||
|
|
goto fail;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//vgmstream->num_samples = mpeg_bytes_to_samples(data_size, vgmstream->codec_data);
|
||
|
|
vgmstream->num_samples = mpeg_get_samples(sf, 0x00, get_streamfile_size(sf));
|
||
|
|
|
||
|
|
|
||
|
|
if (!vgmstream_open_stream(vgmstream, sf, 0x00))
|
||
|
|
goto fail;
|
||
|
|
return vgmstream;
|
||
|
|
fail:
|
||
|
|
close_vgmstream(vgmstream);
|
||
|
|
return NULL;
|
||
|
|
}
|