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-rw-r--r--libao2/pl_extrastereo.c127
1 files changed, 0 insertions, 127 deletions
diff --git a/libao2/pl_extrastereo.c b/libao2/pl_extrastereo.c
deleted file mode 100644
index 9f3404d5fe..0000000000
--- a/libao2/pl_extrastereo.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/* Extrastereo effect plugin
- * (linearly increases difference between L&R channels)
- *
- * Current limitations:
- * - only AFMT_S16_HE is supported currently
- *
- * License: GPLv2 (as a mix of pl_volume.c and
- * xmms:stereo_plugin/stereo.c)
- *
- * Author: pl <p_l@gmx.fr> (c) 2002 and beyond...
- * */
-
-#define PLUGIN
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <inttypes.h>
-
-#include "audio_out.h"
-#include "audio_plugin.h"
-#include "audio_plugin_internal.h"
-#include "libaf/af_format.h"
-
-static ao_info_t info = {
- "Extra stereo plugin",
- "extrastereo",
- "pl <p_l@gmx.fr>",
- ""
-};
-
-LIBAO_PLUGIN_EXTERN(extrastereo)
-
-// local data
-static struct {
- float mul; // intensity
- int inuse; // This plugin is in use TRUE, FALSE
- int format; // sample format
-} pl_extrastereo = {2.5, 0, 0};
-
-
-// to set/get/query special features/parameters
-static int control(int cmd,void *arg){
- switch(cmd){
- case AOCONTROL_PLUGIN_SET_LEN:
- return CONTROL_OK;
- case AOCONTROL_PLUGIN_ES_SET:
- pl_extrastereo.mul=*((float*)arg);
- return CONTROL_OK;
- case AOCONTROL_PLUGIN_ES_GET:
- *((float*)arg)=pl_extrastereo.mul;
- return CONTROL_OK;
- }
- return CONTROL_UNKNOWN;
-}
-
-// open & setup audio device
-// return: 1=success 0=fail
-static int init(){
- switch(ao_plugin_data.format){
- case(AF_FORMAT_S16_NE):
- break;
- default:
- fprintf(stderr,"[pl_extrastereo] Audio format not yet suported \n");
- return 0;
- }
-
- pl_extrastereo.mul=ao_plugin_cfg.pl_extrastereo_mul;
- pl_extrastereo.format=ao_plugin_data.format;
- pl_extrastereo.inuse=1;
-
- printf("[pl_extrastereo] Extra stereo plugin in use (multiplier=%2.2f).\n",
- pl_extrastereo.mul);
- return 1;
-}
-
-// close plugin
-static void uninit(){
- pl_extrastereo.inuse=0;
-}
-
-// empty buffers
-static void reset(){
-}
-
-// processes 'ao_plugin_data.len' bytes of 'data'
-// called for every block of data
-static int play(){
-
- switch(pl_extrastereo.format){
- case(AF_FORMAT_S16_NE): {
-
- int16_t* data=(int16_t*)ao_plugin_data.data;
- int len=ao_plugin_data.len / 2; // 16 bits samples
-
- float mul = pl_extrastereo.mul;
- int32_t i, avg, ltmp, rtmp;
-
- for (i=0; i < len ; i += 2) {
-
- avg = (data[i] + data[i + 1]) / 2;
-
- ltmp = avg + (int) (mul * (data[i] - avg));
- rtmp = avg + (int) (mul * (data[i + 1] - avg));
-
- if (ltmp < -32768) {
- ltmp = -32768;
- } else if (ltmp > 32767) {
- ltmp = 32767;
- }
-
- if (rtmp < -32768) {
- rtmp = -32768;
- } else if (rtmp > 32767) {
- rtmp = 32767;
- }
-
- data[i] = ltmp;
- data[i + 1] = rtmp;
- }
- break;
- }
- default:
- return 0;
- }
- return 1;
-}
-