1bd5513698
Switch to floating-point sound internally.
...
This allows us to change the volume of sounds in filters ("volume",
"fade" properties) without quantizing the audio prematurely. Previously,
we had a hack to apply volume changes as a mixing-time step. This
can be done at any point in the filter chain now.
This also means we only need to worry about clipping at the very
last mixing step, instead of at every place we change sound.
Dithering for 16-bit audio and more intelligent gain control
is possible, as we have full-resolution, unclipped sound at the
mixing phase.
We support high resolution source sounds; both Vorbis and MAD
supply more than 16 bits.
Several filters, such as resampling, are easier to implement as
floats; these no longer need to convert back and forth.
Negatives:
- More memory use. The main case of this is in RageSoundReader_Preload,
which will be fixed: we can preload in 16-bit without losing most of the
above.
- Some extra overhead for accessing more memory.
2007-01-27 07:14:58 +00:00
fd4b5f93bb
RageSoundReader::Read(char *) -> int16_t *. This was originally
...
char * based on the idea of supporting more than one sample type.
I don't plan to do that (though I may change the sample type to float
or int32).
2007-01-20 01:10:24 +00:00
00f371fa7c
remove IsStreamingFromDisk
2006-12-23 07:15:32 +00:00
32bf31638f
fix RageSoundReader_Chain::SetPosition(0)
2006-12-22 08:12:57 +00:00
3a1d1e129f
use RetriedRead
2006-12-22 06:14:20 +00:00
a7d3a539ee
fixup (still unused) code
2006-12-22 06:06:57 +00:00
4516298901
simplify EOF handling
2006-12-22 06:01:49 +00:00
3554fdeac0
copy error: break, not continue
2006-12-22 05:59:23 +00:00
cd74aab240
stay synched through partial blocks
2006-12-22 05:58:19 +00:00
3d6811191b
simplify
2006-12-22 05:54:23 +00:00
4d6829e7bc
simplify
2006-12-22 05:51:36 +00:00
3127f812dd
cleanup; handle different numbers of channels
2006-12-22 05:36:50 +00:00
aa4be6dffb
Return 1 from SetPosition(n) on success, 0 on seek past EOF, not
...
"the position seeked to". This fixes a special case: SetPosition(n)
returning 0 was EOF except when SetPosition(0). The returned value
on success was always n, anyway; we never seek to a different position
and return success.
2006-12-21 05:07:49 +00:00
893e9d9e53
units are samples, not bytes
2006-12-12 02:47:35 +00:00
ef5c5e20c1
SetPosition
2006-12-10 09:01:05 +00:00
ecbbe89f1a
Read() update
2006-12-10 07:17:58 +00:00
2f1782d892
merge Read and ReadBlock
2006-12-10 05:41:41 +00:00
04b2933af6
simplify and correct. If Read (and ReadBlock) doesn't return as much data as requested, it may be because the rate is changing.
2006-12-10 05:32:03 +00:00
9a55b8d28a
remove unused
2006-12-10 05:18:33 +00:00
25e67dd4dc
RageSoundReader::Read(buf, unsigned bytes) -> (buf, int frames);
...
return value in frames, not bytes
2006-12-10 03:56:36 +00:00
84c5c0a865
Simplify RSR_Chain. Allow passing in sound readers directly.
...
If all sounds have one channel and nothing pans, keep one channel.
Use RSR_Pan.
2006-12-09 22:40:39 +00:00
381fc45cfd
fix RageSoundReader_Chain::GetNextSourceFrame
2006-12-09 22:10:17 +00:00
ca67a9cb7c
change SetPosition_Accurate and SetPosition_Fast to take and return frames
2006-12-09 06:35:09 +00:00
a272414497
cosmetic: remove indentation
2006-12-09 03:51:46 +00:00
f1b5f9b53b
simplify
2006-12-09 03:51:32 +00:00
81b3232453
simplify iFrames
2006-12-09 03:50:06 +00:00
6fa2581a58
comment
2006-12-09 03:45:49 +00:00
f2ae34e517
cleanup
2006-12-09 03:44:36 +00:00
0e72d6d08c
cosmetic
2006-12-09 03:40:55 +00:00
cd5f4a6e39
SoundReader_FileReader -> RageSoundReader_FileReader
2006-11-30 04:22:38 +00:00
f41362f7a9
SoundReader -> RageSoundReader
2006-11-30 04:19:51 +00:00
630c84d0c1
SetProperty
2006-11-30 02:52:41 +00:00
8542b7d190
GetNextStreamFrame -> GetNextSourceFrame
2006-11-29 21:52:31 +00:00
e3b98efd66
GetNextStreamFrame, GetStreamToSourceRatio implementations
2006-11-29 08:15:22 +00:00
1146c57dc8
specify source and dest sample rate in the ctor; they don't change
2006-11-29 02:45:40 +00:00
20b8bbecf0
RageSoundReader_Resample_Good
2006-11-29 02:25:20 +00:00
3e11c3ca8e
create RageSoundReader_Resample_Good directly
2006-11-29 02:20:42 +00:00
7a95f5da5b
covariant Copy()
2006-10-20 00:01:18 +00:00
e206261b80
ARRAYSIZE -> ARRAYLEN
2006-09-13 03:11:38 +00:00
a07e194cf1
Revert. Fixes Linux build.
2006-07-18 05:51:37 +00:00
366c3440d4
Fix VC8 macro redef warning. (more to come)
2006-07-18 03:56:37 +00:00
9c4d7606cf
ToLower -> MakeLower
2006-03-01 00:39:32 +00:00
7f821e8cfc
CString -> RString
2006-01-22 01:00:06 +00:00
bb6592a4e7
use float.h and limit.h constants instead of arbitrary large numbers
2005-03-25 20:01:51 +00:00
33d92faeb1
fix reading mono sounds in a stereo chain
2004-11-02 07:38:24 +00:00
638a5fd89d
fix assertion failure
2004-11-01 07:47:38 +00:00
f0ec9ebbd6
fix assertion failure
2004-11-01 06:46:46 +00:00
c21d4c2756
simplify a bit, optimize
2004-10-28 05:10:47 +00:00
206ce1aa0b
stop going to lengths to avoid copying sounds in the BGM; copying
...
needs to be fast, anyway
2004-10-26 19:10:57 +00:00
9582577d84
Fix warnings.
2004-10-25 03:44:28 +00:00
Glenn Maynard