Cool_Tools/vgmstream
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This commit is contained in:
bnnm 2017-03-09 20:38:52 +01:00
parent a5556e587c
commit 613766e856
1 changed files with 14 additions and 2 deletions
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16
src/vgmstream.c
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@ -2257,6 +2257,12 @@ int get_vgmstream_average_bitrate(VGMSTREAM * vgmstream)
}
/**
* Inits vgmstreams' channels doing two things:
* - sets the starting offset per channel (depending on the layout)
* - opens its own streamfile from on a base one. One streamfile per channel may be open (to improve read/seeks).
* Should be called in metas before returning the VGMSTREAM..
*/
int vgmstream_open_stream(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t start_offset) {
STREAMFILE * file;
char filename[PATH_LIMIT];
@ -2264,8 +2270,14 @@ int vgmstream_open_stream(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t s
int use_streamfile_per_channel = 0;
int use_same_offset_per_channel = 0;
/* stream/offsets not needed, scd manages itself */
if (vgmstream->layout_type == layout_scd_int)
return 1;
#ifdef VGM_USE_FFMPEG
if (vgmstream->coding_type == coding_FFmpeg) /* stream not needed, FFmpeg manages itself */
/* stream/offsets not needed, FFmpeg manages itself */
if (vgmstream->coding_type == coding_FFmpeg)
return 1;
#endif
@ -2274,8 +2286,8 @@ int vgmstream_open_stream(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t s
use_streamfile_per_channel = 1;
}
/* for mono or codecs like IMA (XBOX, MS IMA, MS ADPCM) where channels work with the same bytes */
if (vgmstream->layout_type == layout_none) {
/* for some codecs like IMA where channels work with the same bytes *///todo which ones?
use_same_offset_per_channel = 1;
}