shithub: opus-tools

Download patch

ref: b2a6823ecd5f13fb9f5a959536536adc1e253daa
parent: ecd50e531fbf378499a3f71cdca05ad969c2e29f
author: qwx <qwx@sciops.net>
date: Mon Mar 6 17:13:56 EST 2023 

initial port


--- /dev/null
+++ b/mkfile
@@ -1,0 +1,51 @@
+APE=/sys/src/ape
+<$APE/config
+
+TARG=opusdec opusenc opusinfo
+BIN=/$objtype/bin/audio
+
+CFLAGS=$CFLAGS -c \
+	-Iinclude \
+	-I/sys/src/cmd/audio/libogg \
+	-I/sys/include/ape/opus \
+	-D_POSIX_SOURCE \
+	-D__GNU_LIBRARY__ \
+	-D_C99_SNPRINTF_EXTENSION \
+	-DSPX_RESAMPLE_EXPORT= \
+	-DRANDOM_PREFIX=opustools \
+	-DOUTSIDE_SPEEX \
+	-DRESAMPLE_FULL_SINC_TABLE \
+	-DOPUSTOOLS \
+	-DPACKAGE_NAME="opus-tools" \
+	-DPACKAGE_VERSION="fuckoff"
+
+LIB=\
+	/$objtype/lib/ape/libopusfile.a \
+	/$objtype/lib/ape/libopusenc.a \
+	/$objtype/lib/ape/libopus.a \
+	/sys/src/cmd/audio/libogg/libogg.a$O \
+
+</sys/src/cmd/mkmany
+
+%.$O:	src/%.c
+	$CC $CFLAGS $prereq
+
+%.$O:	share/%.c
+	$CC $CFLAGS $prereq
+
+%.$O:	/sys/src/cmd/audio/libogg/%.c
+	$CC $CFLAGS $prereq
+
+OGG=`{cd /sys/src/cmd/audio/libogg; echo *.c}
+OGG=${OGG:%.c=%.$O}
+
+/sys/src/cmd/audio/libogg/libogg.a$O:	$OGG
+	ar vu $target $OGG
+
+COMMON=opus_header.$O resample.$O getopt.$O getopt1.$O
+
+$O.opusdec:	opusdec.$O wav_io.$O wave_out.$O diag_range.$O $COMMON
+$O.opusenc:	opusenc.$O audio-in.$O diag_range.$O flac.$O picture.$O $COMMON
+$O.opusinfo:	opusinfo.$O info_opus.$O picture.$O tagcompare.$O $COMMON
+
+CLEANFILES=`{$CLEANFILES echo /sys/src/cmd/audio/libogg/libogg.a[$OS]}
--- a/src/audio-in.c
+++ b/src/audio-in.c
@@ -719,7 +719,11 @@
     int sampbyte = f->samplesize / 8;
     int realsamples = f->totalsamples > 0 && samples > (f->totalsamples - f->samplesread)
         ? (int)(f->totalsamples - f->samplesread) : samples;
-    signed char *buf = alloca(realsamples*sampbyte*f->channels);
+    signed char *buf = malloc(realsamples*sampbyte*f->channels);
+    if(buf == NULL){
+        fprintf(stderr, "allocation failure\n");
+        return 0;
+    }
     int i,j;
     int *ch_permute = f->channel_permute;
 
@@ -807,9 +811,11 @@
     else {
         fprintf(stderr, _("Internal error: attempt to read unsupported "
                           "bitdepth %d\n"), f->samplesize);
+        free(buf);
         return 0;
     }
 
+    free(buf);
     return realsamples;
 }
 
@@ -818,9 +824,14 @@
     wavfile *f = (wavfile *)in;
     int realsamples = f->totalsamples > 0 && samples > (f->totalsamples - f->samplesread)
         ? (int)(f->totalsamples - f->samplesread) : samples;
-    float *buf = alloca(realsamples*4*f->channels); /* de-interleave buffer */
+    float *buf = malloc(realsamples*4*f->channels); /* de-interleave buffer */
     int i,j;
 
+    if(buf == NULL){
+        fprintf(stderr, "allocation failure\n");
+        return 0;
+    }
+
     realsamples = (int)fread(buf, 4*f->channels, realsamples, f->f);
     f->samplesread += realsamples;
 
@@ -837,6 +848,7 @@
                     get_be_float(buf + i*f->channels + f->channel_permute[j]);
     }
 
+    free(buf);
     return realsamples;
 }
 
--- a/src/opusdec.c
+++ b/src/opusdec.c
@@ -503,8 +503,12 @@
    short *out;
    float *buf;
    float *output;
-   out=alloca(sizeof(short)*MAX_FRAME_SIZE*channels);
-   buf=alloca(sizeof(float)*MAX_FRAME_SIZE*channels);
+   out=malloc(sizeof(short)*MAX_FRAME_SIZE*channels);
+   buf=malloc(sizeof(float)*MAX_FRAME_SIZE*channels);
+   if(out == NULL || buf == NULL){
+      fprintf(stderr, "allocation failure\n");
+      return 0;
+   }
    maxout=((link_read/48000)*rate + (link_read%48000)*rate/48000) - link_out;
    maxout=maxout<0?0:maxout;
    do {
@@ -570,6 +574,8 @@
        maxout-=ret;
      }
    } while (frame_size>0 && maxout>0);
+   free(buf);
+   free(out);
    return sampout;
 }
 
@@ -857,8 +863,8 @@
    }
    else
    {
-      st=op_open_url(inFile,NULL,NULL);
-      if (st==NULL)
+      //st=op_open_url(inFile,NULL,NULL);
+      //if (st==NULL)
       {
          st=op_open_file(inFile,NULL);
       }
@@ -1066,7 +1072,8 @@
             resampler=NULL;
          }
          /*We've encountered a new link.*/
-         link_read=link_out=0;
+         link_read=0;
+         link_out=0;
          head=op_head(st, li);
          if (!force_stereo && channels!=head->channel_count)
          {