Amcodec: audio_ctl/audio_ctrl.c Source File

Amcodec

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audio_ctl/audio_ctrl.c

00001 
00008 /* Copyright (C) 2007-2011, Amlogic Inc.
00009 * All right reserved
00010 * 
00011 */
00012 
00013 #include <stdio.h>
00014 #include <sys/types.h>
00015 #include <sys/stat.h>
00016 #include <errno.h>
00017 #include <sys/ioctl.h>
00018 #include <fcntl.h>
00019 #include <codec_error.h>
00020 #include <codec.h>
00021 #include "adecproc.h"
00022 
00023 /* --------------------------------------------------------------------------*/
00027 /* --------------------------------------------------------------------------*/
00028 void audio_start(void)
00029 {
00030     audio_decode_start();
00031 }
00032 
00033 /* --------------------------------------------------------------------------*/
00037 /* --------------------------------------------------------------------------*/
00038 void audio_stop(void)
00039 {
00040     audio_decode_stop();
00041 }
00042 
00043 /* --------------------------------------------------------------------------*/
00047 /* --------------------------------------------------------------------------*/
00048 void audio_pause(void)
00049 {
00050     audio_decode_pause();
00051 }
00052 
00053 /* --------------------------------------------------------------------------*/
00057 /* --------------------------------------------------------------------------*/
00058 void audio_resume(void)
00059 {
00060     audio_decode_resume();
00061 }
00062 
00063 /* --------------------------------------------------------------------------*/
00071 /* --------------------------------------------------------------------------*/
00072 int codec_get_mutesta(codec_para_t *p)
00073 {
00074     int ret;
00075     //ret = amadec_cmd("getmute");
00076     return ret;
00077 }
00078 
00079 /* --------------------------------------------------------------------------*/
00088 /* --------------------------------------------------------------------------*/
00089 int codec_set_mute(codec_para_t *p, int mute)
00090 {
00091     int ret;
00092     //if(mute)
00093     //ret=amadec_cmd("mute");
00094     //else
00095     //ret=amadec_cmd("unmute");
00096     return ret;
00097 }
00098 
00099 /* --------------------------------------------------------------------------*/
00109 /* --------------------------------------------------------------------------*/
00110 int codec_get_volume_range(codec_para_t *p, int *min, int *max)
00111 {
00112     return -CODEC_ERROR_IO;
00113 }
00114 
00115 /* --------------------------------------------------------------------------*/
00124 /* --------------------------------------------------------------------------*/
00125 int codec_set_volume(codec_para_t *p, int val)
00126 {
00127     int ret;
00128     char buf[16];
00129     sprintf(buf, "volset:%d", val);
00130     //ret=amadec_cmd(buf);
00131     return ret;
00132 }
00133 
00134 /* --------------------------------------------------------------------------*/
00142 /* --------------------------------------------------------------------------*/
00143 int codec_get_volume(codec_para_t *p)
00144 {
00145     int ret;
00146     //ret=amadec_cmd("volget");
00147     return ret;
00148 }
00149 
00150 /* --------------------------------------------------------------------------*/
00159 /* --------------------------------------------------------------------------*/
00160 int codec_set_volume_balance(codec_para_t *p, int balance)
00161 {
00162     return -CODEC_ERROR_IO;
00163 }
00164 
00165 /* --------------------------------------------------------------------------*/
00173 /* --------------------------------------------------------------------------*/
00174 int codec_swap_left_right(codec_para_t *p)
00175 {
00176     int ret;
00177     ret=audio_channels_swap();
00178     return ret;
00179 }
00180 
00181 /* --------------------------------------------------------------------------*/
00189 /* --------------------------------------------------------------------------*/
00190 int codec_left_mono(codec_para_t *p)
00191 {
00192     int ret;
00193     ret=audio_channel_left_mono();
00194     return ret;
00195 }
00196 
00197 /* --------------------------------------------------------------------------*/
00205 /* --------------------------------------------------------------------------*/
00206 int codec_right_mono(codec_para_t *p)
00207 {
00208     int ret;
00209     ret=audio_channel_right_mono();
00210     return ret;
00211 }
00212 
00213 /* --------------------------------------------------------------------------*/
00221 /* --------------------------------------------------------------------------*/
00222 int codec_stereo(codec_para_t *p)
00223 {
00224     int ret;
00225     ret=audio_channel_stereo();
00226     return ret;
00227 }
00228 
00229 /* --------------------------------------------------------------------------*/
00237 /* --------------------------------------------------------------------------*/
00238 int codec_audio_automute(int auto_mute)
00239 {
00240     int ret;
00241     //char buf[16];
00242     //sprintf(buf,"automute:%d",auto_mute);
00243     //ret=amadec_cmd(buf);
00244     ret = audio_decode_automute(auto_mute);
00245     return ret;
00246 }
00247 
00248 /* --------------------------------------------------------------------------*/
00258 /* --------------------------------------------------------------------------*/
00259 int codec_audio_spectrum_switch(codec_para_t *p, int isStart, int interval)
00260 {
00261     int  ret;
00262     char cmd[32];
00263 
00264     if (isStart == 1) {
00265         snprintf(cmd, 32, "spectrumon:%d", interval);
00266         //ret=amadec_cmd(cmd);
00267     } else if (isStart == 0) {
00268         //ret=amadec_cmd("spectrumoff");
00269     }
00270 
00271     return ret;
00272 }
00273 
00274
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