src/*.[ch]: Rename files so that the name becomes

rmd_some_file.[ch]. The exceptions are recordmydesktop.c which is the
main file and skeleton.[ch] which are external files.

src/Makefile.am: Adapt.


git-svn-id: https://recordmydesktop.svn.sourceforge.net/svnroot/recordmydesktop/trunk@546 f606c939-3180-4ac9-a4b8-4b8779d57d0a

1 files changed, 176 insertions, 0 deletions

diff --git a/recordmydesktop/src/rmd_opendev.c b/recordmydesktop/src/rmd_opendev.c
new file mode 100644
index 0000000..9b334ab
--- /dev/null
+++ b/recordmydesktop/src/rmd_opendev.c
@@ -0,0 +1,176 @@
+/******************************************************************************
+*                            recordMyDesktop                                  *
+*******************************************************************************
+*                                                                             *
+*            Copyright (C) 2006,2007,2008 John Varouhakis                     *
+*                                                                             *
+*                                                                             *
+*   This program is free software; you can redistribute it and/or modify      *
+*   it under the terms of the GNU General Public License as published by      *
+*   the Free Software Foundation; either version 2 of the License, or         *
+*   (at your option) any later version.                                       *
+*                                                                             *
+*   This program is distributed in the hope that it will be useful,           *
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+*   GNU General Public License for more details.                              *
+*                                                                             *
+*   You should have received a copy of the GNU General Public License         *
+*   along with this program; if not, write to the Free Software               *
+*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  *
+*                                                                             *
+*                                                                             *
+*                                                                             *
+*   For further information contact me at johnvarouhakis@gmail.com            *
+******************************************************************************/
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#ifdef HAVE_LIBASOUND
+    #include <alsa/asoundlib.h>
+#else
+    #include <sys/ioctl.h>
+    #include <sys/soundcard.h>
+#endif
+
+#include "rmd_opendev.h"
+
+#ifdef HAVE_LIBASOUND
+
+snd_pcm_t *OpenDev( const char *pcm_dev,
+                    unsigned int *channels,
+                    unsigned int *frequency,
+                    snd_pcm_uframes_t *buffsize,
+                    snd_pcm_uframes_t *periodsize,
+                    unsigned int *periodtime,
+                    int *hard_pause){
+
+    snd_pcm_t *mhandle;
+    snd_pcm_hw_params_t *hwparams;
+    unsigned int periods=2;
+    unsigned int exactrate = *frequency;
+
+    // The compiler might warn us because the expansion starts with
+    // assert(&hwparams)
+    snd_pcm_hw_params_alloca(&hwparams);
+
+    if (snd_pcm_open(&mhandle,pcm_dev,SND_PCM_STREAM_CAPTURE,SND_PCM_ASYNC)<0){
+        fprintf(stderr, "Couldn't open PCM device %s\n", pcm_dev);
+        return NULL;
+    }
+    else
+        fprintf(stderr, "Opened PCM device %s\n", pcm_dev);
+    if (snd_pcm_hw_params_any(mhandle, hwparams)<0){
+        fprintf(stderr, "Couldn't configure PCM device.\n");
+        return NULL;
+    }
+    if (snd_pcm_hw_params_set_access(mhandle,
+                                     hwparams,
+                                     SND_PCM_ACCESS_RW_INTERLEAVED)<0){
+        fprintf(stderr, "Couldn't set access.\n");
+        return NULL;
+    }
+    if (snd_pcm_hw_params_set_format(mhandle,
+                                     hwparams,
+                                     SND_PCM_FORMAT_S16_LE)<0){
+        fprintf(stderr, "Couldn't set format.\n");
+        return NULL;
+    }
+    if (snd_pcm_hw_params_set_rate_near(mhandle, hwparams, &exactrate, 0)<0){
+        fprintf(stderr, "Couldn't set frequency.\n");
+        return NULL;
+    }
+    if (*frequency != exactrate){
+        fprintf(stderr, "Playback frequency %dHz is not available...\n"
+                        "Using %dHz instead.\n",*frequency,exactrate);
+        *frequency=exactrate;
+    }
+    if (snd_pcm_hw_params_set_channels_near(mhandle, hwparams, channels)<0){
+        fprintf(stderr, "Couldn't set channels number.\n");
+        return NULL;
+    }
+    if(*channels>2){
+        fprintf(stderr,"Channels number should be 1(mono) or 2(stereo).\n");
+        return NULL;
+    }
+    if (snd_pcm_hw_params_set_periods_near(mhandle,hwparams,&periods,0)<0){
+        fprintf(stderr, "Couldn't set periods.\n");
+        return NULL;
+    }
+
+    if (snd_pcm_hw_params_set_buffer_size_near(mhandle,hwparams,buffsize)<0){
+        fprintf(stderr, "Couldn't set buffer size.\n");
+        return NULL;
+    }
+    if (snd_pcm_hw_params(mhandle,hwparams)<0){
+        fprintf(stderr, "Couldn't set hardware parameters.\n");
+        return NULL;
+    }
+    if(hard_pause!=NULL)
+        if(!snd_pcm_hw_params_can_pause(hwparams)){
+            *hard_pause=1;
+        }
+    if(periodsize!=NULL)
+        snd_pcm_hw_params_get_period_size(hwparams,periodsize,0);
+
+    if(periodtime!=NULL)
+        snd_pcm_hw_params_get_period_time(hwparams,periodtime,0);
+    fprintf(stderr,"Recording on device %s is set to:\n%d channels at %dHz\n",
+                   pcm_dev,*channels,*frequency);
+    snd_pcm_prepare(mhandle);
+
+    return mhandle;
+}
+
+#else
+
+int OpenDev( const char *pcm_dev,
+             unsigned int channels,
+             unsigned int frequency){
+    int fd ;
+    fd=open(pcm_dev,O_RDONLY);
+
+    if(fd!=-1){
+        unsigned int value;
+
+        if(ioctl(fd,SNDCTL_DSP_GETFMTS,&value)<0){
+            fprintf(stderr,"Couldn't get audio format list\n");
+            return -1;
+        }
+        if(value & AFMT_S16_LE){
+            value=AFMT_S16_LE;
+        }
+        else if(value & AFMT_S16_BE){
+            value=AFMT_S16_BE;
+        }
+        else{
+            fprintf(stderr,"Soundcard doesn't support signed 16-bit-data\n");
+            return -1;
+        }
+        if(ioctl(fd,SNDCTL_DSP_SETFMT,&value)<0){
+            fprintf(stderr,"Couldn't set audio format\n" );
+            return -1;
+        }
+        value = channels;
+        if(ioctl(fd,SNDCTL_DSP_CHANNELS,&value)<0){
+            fprintf(stderr,"Cannot set the number of channels\n" );
+            return -1;
+        }
+        value = frequency;
+        if(ioctl(fd,SNDCTL_DSP_SPEED,&value)<0){
+            fprintf(stderr,"Couldn't set audio frequency\n" );
+            return -1;
+        }
+        if(fcntl(fd,F_SETFL,fcntl(fd,F_GETFL) & ~O_NONBLOCK)<0){
+            fprintf(stderr,"Couldn't set audio blocking mode\n" );
+            return -1;
+        }
+    }
+    return fd;
+}
+#endif