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lua consolidate pcm_ functions

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The way to call the pcm functions has changed
rb.pcm("option", var)
rb.pcm_set_frequency(freq) = becomes rb.pcm("pcmsetfrequency", freq)

added pcm.lua to the includes for conversion to old functions
if your script is broken by this change you simply add
`require("pcm")` to the top for the old functionality

added rb.pcm("calculatepeaks")

Change-Id: I092057b0c0b5575e567862661f122da1ca2680e8
This commit is contained in:
William Wilgus 2018-10-30 13:56:36 -04:00
parent 2e1ca20097
commit 74fe5203d0
4 changed files with 108 additions and 2 deletions
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66
apps/plugins/lua/rocklib.c
View file

@ -334,6 +334,68 @@ RB_WRAP(audio)
return 1;
}
#if CONFIG_CODEC == SWCODEC
RB_WRAP(pcm)
{
enum e_pcm {PCM_APPLYSETTINGS = 0, PCM_ISPLAYING, PCM_ISPAUSED,
PCM_PLAYSTOP, PCM_PLAYPAUSE, PCM_PLAYLOCK, PCM_PLAYUNLOCK,
PCM_CALCULATEPEAKS, PCM_SETFREQUENCY, PCM_GETBYTESWAITING, PCM_ECOUNT};
const char *pcm_option[] = {"applysettings", "isplaying", "ispaused",
"playstop", "playpause", "playlock", "playunlock",
"calculatepeaks", "setfrequency", "getbyteswaiting", NULL};
bool b_result;
int left, right;
size_t byteswait;
lua_pushnil(L); /*push nil so options w/o return have something to return */
int option = luaL_checkoption (L, 1, NULL, pcm_option);
switch(option)
{
default:
case PCM_APPLYSETTINGS:
rb->pcm_apply_settings();
break;
case PCM_ISPLAYING:
b_result = rb->pcm_is_playing();
lua_pushboolean(L, b_result);
break;
case PCM_ISPAUSED:
b_result = rb->pcm_is_paused();
lua_pushboolean(L, b_result);
break;
case PCM_PLAYPAUSE:
rb->pcm_play_pause(luaL_checkboolean(L, 1));
break;
case PCM_PLAYSTOP:
rb->pcm_play_stop();
break;
case PCM_PLAYLOCK:
rb->pcm_play_lock();
break;
case PCM_PLAYUNLOCK:
rb->pcm_play_unlock();
break;
case PCM_CALCULATEPEAKS:
rb->pcm_calculate_peaks(&left, &right);
lua_pushinteger(L, left);
lua_pushinteger(L, right);
return 2;
case PCM_SETFREQUENCY:
rb->pcm_set_frequency((unsigned int) luaL_checkint(L, 1));
break;
case PCM_GETBYTESWAITING:
byteswait = rb->pcm_get_bytes_waiting();
lua_pushinteger(L, byteswait);
break;
}
rb->yield();
return 1;
}
#endif /*CONFIG_CODEC == SWCODEC*/
SIMPLE_VOID_WRAPPER(backlight_force_on);
SIMPLE_VOID_WRAPPER(backlight_use_settings);
@ -458,7 +520,9 @@ static const luaL_Reg rocklib[] =
RB_FUNC(audio),
RB_FUNC(playlist),
#if CONFIG_CODEC == SWCODEC
RB_FUNC(pcm),
#endif
{NULL, NULL}
};
#undef RB_FUNC