Prefix all _demuxer, _muxer, _protocol from libavformat and libavdevice.

This also lists the objects from those two libraries as internal (by adding
the ff_ prefix) so that they can then be hidden via linker scripts.

libavdevice/alldevices.c

@@ -23,11 +23,11 @@
 #include "avdevice.h"
 
 #define REGISTER_OUTDEV(X,x) { \
-          extern AVOutputFormat x##_muxer; \
-          if(CONFIG_##X##_OUTDEV)  av_register_output_format(&x##_muxer); }
+          extern AVOutputFormat ff_##x##_muxer; \
+          if(CONFIG_##X##_OUTDEV)  av_register_output_format(&ff_##x##_muxer); }
 #define REGISTER_INDEV(X,x) { \
-          extern AVInputFormat x##_demuxer; \
-          if(CONFIG_##X##_INDEV)   av_register_input_format(&x##_demuxer); }
+          extern AVInputFormat ff_##x##_demuxer; \
+          if(CONFIG_##X##_INDEV)   av_register_input_format(&ff_##x##_demuxer); }
 #define REGISTER_INOUTDEV(X,x)  REGISTER_OUTDEV(X,x); REGISTER_INDEV(X,x)
 
 void avdevice_register_all(void)

libavdevice/alsa-audio-dec.c

@@ -163,7 +163,7 @@ static int audio_read_packet(AVFormatContext *s1, AVPacket *pkt)
     return 0;
 }
 
-AVInputFormat alsa_demuxer = {
+AVInputFormat ff_alsa_demuxer = {
     "alsa",
     NULL_IF_CONFIG_SMALL("ALSA audio input"),
     sizeof(AlsaData),

libavdevice/alsa-audio-enc.c

@@ -93,7 +93,7 @@ static int audio_write_packet(AVFormatContext *s1, AVPacket *pkt)
     return 0;
 }
 
-AVOutputFormat alsa_muxer = {
+AVOutputFormat ff_alsa_muxer = {
     "alsa",
     NULL_IF_CONFIG_SMALL("ALSA audio output"),
     "",

libavdevice/bktr.c

@@ -314,7 +314,7 @@ static int grab_read_close(AVFormatContext *s1)
     return 0;
 }
 
-AVInputFormat bktr_demuxer = {
+AVInputFormat ff_bktr_demuxer = {
     "bktr",
     NULL_IF_CONFIG_SMALL("video grab"),
     sizeof(VideoData),

libavdevice/dv1394.c

@@ -227,7 +227,7 @@ static int dv1394_close(AVFormatContext * context)
     return 0;
 }
 
-AVInputFormat dv1394_demuxer = {
+AVInputFormat ff_dv1394_demuxer = {
     .name           = "dv1394",
     .long_name      = NULL_IF_CONFIG_SMALL("DV1394 A/V grab"),
     .priv_data_size = sizeof(struct dv1394_data),

libavdevice/jack_audio.c

@@ -314,7 +314,7 @@ static int audio_read_close(AVFormatContext *context)
     return 0;
 }
 
-AVInputFormat jack_demuxer = {
+AVInputFormat ff_jack_demuxer = {
     "jack",
     NULL_IF_CONFIG_SMALL("JACK Audio Connection Kit"),
     sizeof(JackData),

libavdevice/libdc1394.c

@@ -348,7 +348,7 @@ static int dc1394_v2_close(AVFormatContext * context)
     return 0;
 }
 
-AVInputFormat libdc1394_demuxer = {
+AVInputFormat ff_libdc1394_demuxer = {
     .name           = "libdc1394",
     .long_name      = NULL_IF_CONFIG_SMALL("dc1394 v.2 A/V grab"),
     .priv_data_size = sizeof(struct dc1394_data),
@@ -360,7 +360,7 @@ AVInputFormat libdc1394_demuxer = {
 
 #endif
 #if HAVE_LIBDC1394_1
-AVInputFormat libdc1394_demuxer = {
+AVInputFormat ff_libdc1394_demuxer = {
     .name           = "libdc1394",
     .long_name      = NULL_IF_CONFIG_SMALL("dc1394 v.1 A/V grab"),
     .priv_data_size = sizeof(struct dc1394_data),

libavdevice/oss_audio.c

@@ -293,7 +293,7 @@ static int audio_read_close(AVFormatContext *s1)
 }
 
 #if CONFIG_OSS_INDEV
-AVInputFormat oss_demuxer = {
+AVInputFormat ff_oss_demuxer = {
     "oss",
     NULL_IF_CONFIG_SMALL("Open Sound System capture"),
     sizeof(AudioData),
@@ -306,7 +306,7 @@ AVInputFormat oss_demuxer = {
 #endif
 
 #if CONFIG_OSS_OUTDEV
-AVOutputFormat oss_muxer = {
+AVOutputFormat ff_oss_muxer = {
     "oss",
     NULL_IF_CONFIG_SMALL("Open Sound System playback"),
     "",

libavdevice/v4l.c

@@ -339,7 +339,7 @@ static int grab_read_close(AVFormatContext *s1)
     return 0;
 }
 
-AVInputFormat v4l_demuxer = {
+AVInputFormat ff_v4l_demuxer = {
     "video4linux",
     NULL_IF_CONFIG_SMALL("Video4Linux device grab"),
     sizeof(VideoData),

libavdevice/v4l2.c

@@ -680,7 +680,7 @@ static int v4l2_read_close(AVFormatContext *s1)
     return 0;
 }
 
-AVInputFormat v4l2_demuxer = {
+AVInputFormat ff_v4l2_demuxer = {
     "video4linux2",
     NULL_IF_CONFIG_SMALL("Video4Linux2 device grab"),
     sizeof(struct video_data),