Add --disable-protocols option to configure to disable I/O protocol from

libavformat.  Also fix build with --disable-muxers and --disable-ffserver.
patch by Gildas Bazin < gbazin **@** altern **.** org >

Originally committed as revision 4879 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -74,6 +74,7 @@ echo "  --disable-debug          disable debugging symbols"
 echo "  --disable-opts           disable compiler optimizations"
 echo "  --disable-mpegaudio-hp   faster (but less accurate)"
 echo "                           MPEG audio decoding [default=no]"
+echo "  --disable-protocols      disable I/O protocols support [default=no]"
 echo "  --disable-ffserver       disable ffserver build"
 echo "  --disable-ffplay         disable ffplay build"
 echo "  --enable-small           optimize for size instead of speed"
@@ -220,6 +221,7 @@ mpegaudio_hp="yes"
 SHFLAGS='-shared -Wl,-soname,$@.$(LIBMAJOR)'
 netserver="no"
 need_inet_aton="no"
+protocols="yes"
 ffserver="yes"
 ffplay="yes"
 LIBOBJFLAGS=""
@@ -551,6 +553,8 @@ for opt do
   ;;
   --disable-mpegaudio-hp) mpegaudio_hp="no"
   ;;
+  --disable-protocols) protocols="no"; network="no"; ffserver="no"
+  ;;
   --disable-ffserver) ffserver="no"
   ;;
   --disable-ffplay) ffplay="no"
@@ -587,7 +591,7 @@ for opt do
   ;;
   --disable-decoders) CODEC_LIST="`echo $CODEC_LIST | sed 's/[-_a-zA-Z0-9]*decoder//g'`"
   ;;
-  --disable-muxers) muxers="no"
+  --disable-muxers) muxers="no"; ffserver="no"
   ;;
   --disable-demuxers) demuxers="no"
   ;;
@@ -1731,6 +1735,11 @@ if test "$simpleidct" = "yes" ; then
   echo "#define SIMPLE_IDCT 1" >> $TMPH
 fi
 
+if test "$protocols" = "yes" ; then
+  echo "#define CONFIG_PROTOCOLS 1" >> $TMPH
+  echo "CONFIG_PROTOCOLS=yes" >> config.mak
+fi
+
 if test "$ffserver" = "yes" ; then
   echo "#define CONFIG_FFSERVER 1" >> $TMPH
   echo "CONFIG_FFSERVER=yes" >> config.mak

libavformat/Makefile

@@ -11,13 +11,20 @@ CFLAGS=$(OPTFLAGS) -I.. -I$(SRC_PATH) -I$(SRC_PATH)/libavutil -I$(SRC_PATH)/liba
 OBJS= utils.o cutils.o os_support.o allformats.o
 PPOBJS=
 
-# mux and demuxes
+# demuxers
 OBJS+=mpeg.o mpegts.o mpegtsenc.o ffm.o crc.o img.o img2.o raw.o rm.o \
       avienc.o avidec.o wav.o mmf.o swf.o au.o gif.o mov.o mpjpeg.o dv.o \
-      yuv4mpeg.o 4xm.o flvenc.o flvdec.o movenc.o psxstr.o idroq.o ipmovie.o \
+      yuv4mpeg.o 4xm.o flvdec.o psxstr.o idroq.o ipmovie.o \
       nut.o wc3movie.o mp3.o westwood.o segafilm.o idcin.o flic.o \
-      sierravmd.o matroska.o sol.o electronicarts.o nsvdec.o asf.o asf-enc.o \
+      sierravmd.o matroska.o sol.o electronicarts.o nsvdec.o asf.o \
       ogg2.o oggparsevorbis.o oggparsetheora.o oggparseflac.o daud.o
+
+# muxers
+ifeq ($(CONFIG_MUXERS),yes)
+OBJS+= flvenc.o movenc.o asf-enc.o
+endif
+
+
 AMROBJS=
 ifeq ($(AMR_NB),yes)
 AMROBJS= amr.o
@@ -32,8 +39,6 @@ OBJS+= $(AMROBJS)
 
 # image formats
 OBJS+= pnm.o yuv.o png.o jpeg.o gifdec.o sgi.o
-# file I/O
-OBJS+= avio.o aviobuf.o file.o
 OBJS+= framehook.o
 
 ifeq ($(CONFIG_VIDEO4LINUX),yes)
@@ -62,6 +67,11 @@ ifeq ($(CONFIG_AUDIO_BEOS),yes)
 PPOBJS+= beosaudio.o
 endif
 
+# protocols I/O
+OBJS+= avio.o aviobuf.o
+
+ifeq ($(CONFIG_PROTOCOLS),yes)
+OBJS+= file.o
 ifeq ($(CONFIG_NETWORK),yes)
 OBJS+= udp.o tcp.o http.o rtsp.o rtp.o rtpproto.o
 # BeOS and Darwin network stuff
@@ -69,6 +79,7 @@ ifeq ($(NEED_INET_ATON),yes)
 OBJS+= barpainet.o
 endif
 endif
+endif
 
 ifeq ($(CONFIG_LIBOGG),yes)
 OBJS+= ogg.o

libavformat/allformats.c

@@ -130,6 +130,7 @@ void av_register_all(void)
 //    av_register_image_format(&sgi_image_format); heap corruption, dont enable
 #endif //CONFIG_MUXERS
 
+#ifdef CONFIG_PROTOCOLS
     /* file protocols */
     register_protocol(&file_protocol);
     register_protocol(&pipe_protocol);
@@ -141,4 +142,5 @@ void av_register_all(void)
     register_protocol(&tcp_protocol);
     register_protocol(&http_protocol);
 #endif
+#endif
 }

libavformat/avio.c

@@ -100,7 +100,7 @@ int url_read(URLContext *h, unsigned char *buf, int size)
     return ret;
 }
 
-#ifdef CONFIG_MUXERS
+#if defined(CONFIG_MUXERS) || defined(CONFIG_PROTOCOLS)
 int url_write(URLContext *h, unsigned char *buf, int size)
 {
     int ret;
@@ -112,7 +112,7 @@ int url_write(URLContext *h, unsigned char *buf, int size)
     ret = h->prot->url_write(h, buf, size);
     return ret;
 }
-#endif //CONFIG_MUXERS
+#endif //CONFIG_MUXERS || CONFIG_PROTOCOLS
 
 offset_t url_seek(URLContext *h, offset_t pos, int whence)
 {

libavformat/aviobuf.c

@@ -53,8 +53,6 @@ int init_put_byte(ByteIOContext *s,
     return 0;
 }
 
-
-#ifdef CONFIG_MUXERS
 static void flush_buffer(ByteIOContext *s)
 {
     if (s->buf_ptr > s->buffer) {
@@ -104,7 +102,6 @@ void put_flush_packet(ByteIOContext *s)
     flush_buffer(s);
     s->must_flush = 0;
 }
-#endif //CONFIG_MUXERS
 
 offset_t url_fseek(ByteIOContext *s, offset_t offset, int whence)
 {
@@ -193,7 +190,7 @@ int url_ferror(ByteIOContext *s)
     return s->error;
 }
 
-#ifdef CONFIG_MUXERS
+#if defined(CONFIG_MUXERS) || defined(CONFIG_PROTOCOLS)
 void put_le32(ByteIOContext *s, unsigned int val)
 {
     put_byte(s, val);
@@ -254,7 +251,7 @@ void put_tag(ByteIOContext *s, const char *tag)
         put_byte(s, *tag++);
     }
 }
-#endif //CONFIG_MUXERS
+#endif //CONFIG_MUXERS || CONFIG_PROTOCOLS
 
 /* Input stream */
 

libavformat/ffm.c

@@ -706,6 +706,7 @@ static int ffm_seek(AVFormatContext *s, int stream_index, int64_t wanted_pts, in
     return 0;
 }
 
+#ifdef CONFIG_FFSERVER
 offset_t ffm_read_write_index(int fd)
 {
     uint8_t buf[8];
@@ -737,6 +738,7 @@ void ffm_set_write_index(AVFormatContext *s, offset_t pos, offset_t file_size)
     ffm->write_index = pos;
     ffm->file_size = file_size;
 }
+#endif // CONFIG_FFSERVER
 
 static int ffm_read_close(AVFormatContext *s)
 {