lavfi: do not export the filters from shared objects

libavfilter/af_aformat.c

@@ -139,7 +139,7 @@ static const AVFilterPad avfilter_af_aformat_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_aformat = {
+AVFilter ff_af_aformat = {
     .name          = "aformat",
     .description   = NULL_IF_CONFIG_SMALL("Convert the input audio to one of the specified formats."),
     .init          = init,

libavfilter/af_amix.c

@@ -551,7 +551,7 @@ static const AVFilterPad avfilter_af_amix_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_amix = {
+AVFilter ff_af_amix = {
     .name          = "amix",
     .description   = NULL_IF_CONFIG_SMALL("Audio mixing."),
     .priv_size     = sizeof(MixContext),

libavfilter/af_anull.c

@@ -43,7 +43,7 @@ static const AVFilterPad avfilter_af_anull_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_anull = {
+AVFilter ff_af_anull = {
     .name      = "anull",
     .description = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
 

libavfilter/af_ashowinfo.c

@@ -127,7 +127,7 @@ static const AVFilterPad outputs[] = {
     { NULL },
 };
 
-AVFilter avfilter_af_ashowinfo = {
+AVFilter ff_af_ashowinfo = {
     .name        = "ashowinfo",
     .description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."),
     .priv_size   = sizeof(AShowInfoContext),

libavfilter/af_asyncts.c

@@ -313,7 +313,7 @@ static const AVFilterPad avfilter_af_asyncts_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_asyncts = {
+AVFilter ff_af_asyncts = {
     .name        = "asyncts",
     .description = NULL_IF_CONFIG_SMALL("Sync audio data to timestamps"),
 

libavfilter/af_channelmap.c

@@ -400,7 +400,7 @@ static const AVFilterPad avfilter_af_channelmap_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_channelmap = {
+AVFilter ff_af_channelmap = {
     .name          = "channelmap",
     .description   = NULL_IF_CONFIG_SMALL("Remap audio channels."),
     .init          = channelmap_init,

libavfilter/af_channelsplit.c

@@ -139,7 +139,7 @@ static const AVFilterPad avfilter_af_channelsplit_inputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_channelsplit = {
+AVFilter ff_af_channelsplit = {
     .name           = "channelsplit",
     .description    = NULL_IF_CONFIG_SMALL("Split audio into per-channel streams"),
     .priv_size      = sizeof(ChannelSplitContext),

libavfilter/af_join.c

@@ -509,7 +509,7 @@ static const AVFilterPad avfilter_af_join_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_join = {
+AVFilter ff_af_join = {
     .name           = "join",
     .description    = NULL_IF_CONFIG_SMALL("Join multiple audio streams into "
                                            "multi-channel output"),

libavfilter/af_resample.c

@@ -315,7 +315,7 @@ static const AVFilterPad avfilter_af_resample_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_resample = {
+AVFilter ff_af_resample = {
     .name          = "resample",
     .description   = NULL_IF_CONFIG_SMALL("Audio resampling and conversion."),
     .priv_size     = sizeof(ResampleContext),

libavfilter/af_volume.c

@@ -296,7 +296,7 @@ static const AVFilterPad avfilter_af_volume_outputs[] = {
     { NULL }
 };
 
-AVFilter avfilter_af_volume = {
+AVFilter ff_af_volume = {
     .name           = "volume",
     .description    = NULL_IF_CONFIG_SMALL("Change input volume."),
     .query_formats  = query_formats,