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Add option to exchange the left and right stereo channels. Patch by Dave Chapman and Martin Sägmüller. Also add manual entry (by Michael Giacomelli). Note that this setting will confuse non-software effect options like channel balance. This should be addressed in a future commit.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30837 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Giacomelli 2011-10-26 18:18:34 +00:00
parent 4ef4830f0b
commit 5c4bd11d91
4 changed files with 36 additions and 3 deletions
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13
apps/dsp.c
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@ -1175,6 +1175,18 @@ static void channels_process_sound_chan_karaoke(int count, int32_t *buf[])
}
#endif /* DSP_HAVE_ASM_SOUND_CHAN_KARAOKE */
static void channels_process_sound_chan_swap(int count, int32_t *buf[])
{
int32_t *sl = buf[0], *sr = buf[1];
while (count-- > 0)
{
int32_t ch = *sl;
*sl++ = *sr;
*sr++ = ch;
}
}
static void dsp_set_channel_config(int value)
{
static const channels_process_fn_type channels_process_functions[] =
@ -1186,6 +1198,7 @@ static void dsp_set_channel_config(int value)
[SOUND_CHAN_MONO_LEFT] = channels_process_sound_chan_mono_left,
[SOUND_CHAN_MONO_RIGHT] = channels_process_sound_chan_mono_right,
[SOUND_CHAN_KARAOKE] = channels_process_sound_chan_karaoke,
[SOUND_CHAN_SWAP] = channels_process_sound_chan_swap,
};
if ((unsigned)value >= ARRAYLEN(channels_process_functions) ||