From 98c3c077422896a148e9788377803bd968d5288f Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Sun, 26 Mar 2006 17:51:53 +0000
Subject: [PATCH] small mods to audio api (compatible behaviour ..)

---
 audio/audio.c | 38 ++++++++++++++++++++------------------
 audio/audio.h |  3 ++-
 2 files changed, 22 insertions(+), 19 deletions(-)

diff --git a/audio/audio.c b/audio/audio.c
index 7bacdac..8402af5 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -6,22 +6,24 @@
 
 #include "audio.h"
 
-int audio_init(t_audio *audio) {
+int audio_init(t_audio *audio,int outfd) {
 
-  fprintf(stderr,"[audio] initializing audio ...\n");
+  audio->outfd=outfd;
 
-  if((audio->dsp_fd=open(audio->dsp_dev,O_RDWR))==-1) {
-    perror("[audio] open call");
+  dprintf(outfd,"[audio] initializing audio ...\n");
+
+  if((audio->dsp_fd=open(audio->dsp_dev,O_RDWR))<0) {
+    dprintf(audio->outfd,"[audio] open call");
     return A_ERROR;
   }
 
   if(ioctl(audio->dsp_fd,SNDCTL_DSP_GETCAPS,&(audio->dsp_cap))==-1) {
-    perror("[audio] ioctl call");
+    dprintf(audio->outfd,"[audio] ioctl call");
     return A_ERROR;
   }
 
   if(!(audio->dsp_cap&DSP_CAP_DUPLEX)) {
-    fprintf(stderr,"[audio] no duplex support\n");
+    dprintf(audio->outfd,"[audio] no duplex support\n");
     return A_ERROR;
   }
 
@@ -32,39 +34,39 @@ int audio_setup(t_audio *audio) {
 
   int tmp;
 
-  fprintf(stderr,"[audio] setting up sound device & allocating record/playback buffer\n");
+  dprintf(audio->outfd,"[audio] setting up sound device & allocating record/playback buffer\n");
 
   tmp=audio->fmt;
   if(ioctl(audio->dsp_fd,SNDCTL_DSP_SETFMT,&tmp)==-1) {
-    perror("[audio] ioctl call (SNDCTL_DSP_SETFMT)");
+    dprintf(audio->outfd,"[audio] ioctl call (SNDCTL_DSP_SETFMT)");
     return A_ERROR;
   }
   if(tmp!=audio->fmt) {
-    fprintf(stderr,"[audio] FMT not supported\n");
+    dprintf(audio->outfd,"[audio] fmt (%d) not supported\n",tmp);
     return A_ERROR;
   }
 
   tmp=audio->speed;
   if(ioctl(audio->dsp_fd,SNDCTL_DSP_SPEED,&tmp)==-1) {
-    perror("[audio] ioctl call (SNDCTL_DSP_SPEED)");
+    dprintf(audio->outfd,"[audio] ioctl call (SNDCTL_DSP_SPEED)");
     return A_ERROR;
   }
   if(tmp!=audio->speed) {
-    fprintf(stderr,"[audio] SPEED not supported\n");
+    dprintf(audio->outfd,"[audio] speed (%d) not supported\n",tmp);
     return A_ERROR;
   }
 
   if(ioctl(audio->dsp_fd,SNDCTL_DSP_GETBLKSIZE,&(audio->blksize))==-1) {
-    perror("[audio] ioctl call (SNDCTL_DSP_GETBLKSIZE)");
+    dprintf(audio->outfd,"[audio] ioctl call (SNDCTL_DSP_GETBLKSIZE)");
     return A_ERROR;
   }
 
   if((audio->play_data=(unsigned char *)malloc(audio->blksize))==NULL) {
-    perror("[audio] malloc call");
+    dprintf(audio->outfd,"[audio] malloc call");
     return A_ERROR;
   }
   if((audio->rec_data=(unsigned char *)malloc(audio->blksize))==NULL) {
-    perror("[audio] malloc call");
+    dprintf(audio->outfd,"[audio] malloc call");
     return A_ERROR;
   }
 
@@ -73,13 +75,13 @@ int audio_setup(t_audio *audio) {
 
 int audio_shutdown(t_audio *audio) {
 
-  fprintf(stderr,"[audio] shutdown\n");
+  dprintf(audio->outfd,"[audio] shutdown\n");
 
   free(audio->play_data);
   free(audio->rec_data);
 
   if(close(audio->dsp_fd)==-1) {
-    perror("[audio] close call");
+    dprintf(audio->outfd,"[audio] close call");
     return A_ERROR;
   }
 
@@ -95,7 +97,7 @@ int audio_play(t_audio *audio,int len) {
 
   while(left) {
     if((count=write(audio->dsp_fd,audio->play_data+len-left,left))==-1) {
-      perror("[audio] write call");
+      dprintf(audio->outfd,"[audio] write call");
       return A_ERROR;
     }
     left-=count;
@@ -113,7 +115,7 @@ int audio_record(t_audio *audio,int len) {
 
   while(left) {
     if((count=read(audio->dsp_fd,audio->rec_data+len-left,left))==-1) {
-      perror("[audio] read call");
+      dprintf(audio->outfd,"[audio] read call");
       return A_ERROR;
     }
     left-=count;
diff --git a/audio/audio.h b/audio/audio.h
index 33e90cb..f0874f0 100644
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -28,6 +28,7 @@
 
 /* audio specific variables */
 typedef struct s_audio {
+  int outfd;
   int dsp_fd;
   int mixer_fd;
   char dsp_dev[MAX_CHAR_DEVICE];
@@ -44,7 +45,7 @@ typedef struct s_audio {
 } t_audio;
 
 /* function prototypes */
-int audio_init(t_audio *audio);
+int audio_init(t_audio *audio,int outfd);
 int audio_setup(t_audio *audio);
 int audio_shutdown(t_audio *audio);
 int audio_play(t_audio *audio,int len);
-- 
2.20.1