avfilter: Constify all AVFilters

This is possible now that the next-API is gone. Signed-off-by: Andreas Rheinhardt <[email protected]> Signed-off-by: James Almer <[email protected]>
SaschaVasarrhelyi · Apr 27, 2021 · a04ad24 · a04ad24
1 parent 85ba17f
commit a04ad24
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diff --git a/configure b/configure
@@ -3899,7 +3899,7 @@ find_things_extern(){
 
 find_filters_extern(){
     file=$source_path/$1
-    sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file
+    sed -n 's/^extern const AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file
 }
 
 FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)
@@ -7636,7 +7636,7 @@ cp_if_changed $TMPH libavutil/avconfig.h
 # full_filter_name_foo=vf_foo
 # full_filter_name_bar=asrc_bar
 # ...
-eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"
+eval "$(sed -n "s/^extern const AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"
 
 # generate the lists of enabled components
 print_enabled_components(){

diff --git a/libavfilter/aeval.c b/libavfilter/aeval.c
@@ -322,7 +322,7 @@ static const AVFilterPad aevalsrc_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_asrc_aevalsrc = {
+const AVFilter ff_asrc_aevalsrc = {
     .name          = "aevalsrc",
     .description   = NULL_IF_CONFIG_SMALL("Generate an audio signal generated by an expression."),
     .query_formats = query_formats,
@@ -473,7 +473,7 @@ static const AVFilterPad aeval_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aeval = {
+const AVFilter ff_af_aeval = {
     .name          = "aeval",
     .description   = NULL_IF_CONFIG_SMALL("Filter audio signal according to a specified expression."),
     .query_formats = aeval_query_formats,

diff --git a/libavfilter/af_acontrast.c b/libavfilter/af_acontrast.c
@@ -208,7 +208,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_acontrast = {
+const AVFilter ff_af_acontrast = {
     .name           = "acontrast",
     .description    = NULL_IF_CONFIG_SMALL("Simple audio dynamic range compression/expansion filter."),
     .query_formats  = query_formats,

diff --git a/libavfilter/af_acopy.c b/libavfilter/af_acopy.c
@@ -62,7 +62,7 @@ static const AVFilterPad acopy_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_acopy = {
+const AVFilter ff_af_acopy = {
     .name          = "acopy",
     .description   = NULL_IF_CONFIG_SMALL("Copy the input audio unchanged to the output."),
     .inputs        = acopy_inputs,

diff --git a/libavfilter/af_acrossover.c b/libavfilter/af_acrossover.c
@@ -569,7 +569,7 @@ static const AVFilterPad inputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_acrossover = {
+const AVFilter ff_af_acrossover = {
     .name           = "acrossover",
     .description    = NULL_IF_CONFIG_SMALL("Split audio into per-bands streams."),
     .priv_size      = sizeof(AudioCrossoverContext),

diff --git a/libavfilter/af_acrusher.c b/libavfilter/af_acrusher.c
@@ -364,7 +364,7 @@ static const AVFilterPad avfilter_af_acrusher_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_acrusher = {
+const AVFilter ff_af_acrusher = {
     .name          = "acrusher",
     .description   = NULL_IF_CONFIG_SMALL("Reduce audio bit resolution."),
     .priv_size     = sizeof(ACrusherContext),

diff --git a/libavfilter/af_adeclick.c b/libavfilter/af_adeclick.c
@@ -762,7 +762,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_adeclick = {
+const AVFilter ff_af_adeclick = {
     .name          = "adeclick",
     .description   = NULL_IF_CONFIG_SMALL("Remove impulsive noise from input audio."),
     .query_formats = query_formats,
@@ -798,7 +798,7 @@ static const AVOption adeclip_options[] = {
 
 AVFILTER_DEFINE_CLASS(adeclip);
 
-AVFilter ff_af_adeclip = {
+const AVFilter ff_af_adeclip = {
     .name          = "adeclip",
     .description   = NULL_IF_CONFIG_SMALL("Remove clipping from input audio."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_adelay.c b/libavfilter/af_adelay.c
@@ -350,7 +350,7 @@ static const AVFilterPad adelay_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_adelay = {
+const AVFilter ff_af_adelay = {
     .name          = "adelay",
     .description   = NULL_IF_CONFIG_SMALL("Delay one or more audio channels."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_adenorm.c b/libavfilter/af_adenorm.c
@@ -318,7 +318,7 @@ static const AVOption adenorm_options[] = {
 
 AVFILTER_DEFINE_CLASS(adenorm);
 
-AVFilter ff_af_adenorm = {
+const AVFilter ff_af_adenorm = {
     .name            = "adenorm",
     .description     = NULL_IF_CONFIG_SMALL("Remedy denormals by adding extremely low-level noise."),
     .query_formats   = query_formats,

diff --git a/libavfilter/af_aderivative.c b/libavfilter/af_aderivative.c
@@ -186,7 +186,7 @@ static const AVFilterPad aderivative_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aderivative = {
+const AVFilter ff_af_aderivative = {
     .name          = "aderivative",
     .description   = NULL_IF_CONFIG_SMALL("Compute derivative of input audio."),
     .query_formats = query_formats,
@@ -196,7 +196,7 @@ AVFilter ff_af_aderivative = {
     .outputs       = aderivative_outputs,
 };
 
-AVFilter ff_af_aintegral = {
+const AVFilter ff_af_aintegral = {
     .name          = "aintegral",
     .description   = NULL_IF_CONFIG_SMALL("Compute integral of input audio."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_aecho.c b/libavfilter/af_aecho.c
@@ -376,7 +376,7 @@ static const AVFilterPad aecho_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aecho = {
+const AVFilter ff_af_aecho = {
     .name          = "aecho",
     .description   = NULL_IF_CONFIG_SMALL("Add echoing to the audio."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_aemphasis.c b/libavfilter/af_aemphasis.c
@@ -400,7 +400,7 @@ static const AVFilterPad avfilter_af_aemphasis_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aemphasis = {
+const AVFilter ff_af_aemphasis = {
     .name          = "aemphasis",
     .description   = NULL_IF_CONFIG_SMALL("Audio emphasis."),
     .priv_size     = sizeof(AudioEmphasisContext),

diff --git a/libavfilter/af_aexciter.c b/libavfilter/af_aexciter.c
@@ -303,7 +303,7 @@ static const AVFilterPad avfilter_af_aexciter_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aexciter = {
+const AVFilter ff_af_aexciter = {
     .name          = "aexciter",
     .description   = NULL_IF_CONFIG_SMALL("Enhance high frequency part of audio."),
     .priv_size     = sizeof(AExciterContext),

diff --git a/libavfilter/af_afade.c b/libavfilter/af_afade.c
@@ -365,7 +365,7 @@ static const AVFilterPad avfilter_af_afade_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_afade = {
+const AVFilter ff_af_afade = {
     .name          = "afade",
     .description   = NULL_IF_CONFIG_SMALL("Fade in/out input audio."),
     .query_formats = query_formats,
@@ -653,7 +653,7 @@ static const AVFilterPad avfilter_af_acrossfade_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_acrossfade = {
+const AVFilter ff_af_acrossfade = {
     .name          = "acrossfade",
     .description   = NULL_IF_CONFIG_SMALL("Cross fade two input audio streams."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_afftdn.c b/libavfilter/af_afftdn.c
@@ -1418,7 +1418,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_afftdn = {
+const AVFilter ff_af_afftdn = {
     .name            = "afftdn",
     .description     = NULL_IF_CONFIG_SMALL("Denoise audio samples using FFT."),
     .query_formats   = query_formats,

diff --git a/libavfilter/af_afftfilt.c b/libavfilter/af_afftfilt.c
@@ -476,7 +476,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_afftfilt = {
+const AVFilter ff_af_afftfilt = {
     .name            = "afftfilt",
     .description     = NULL_IF_CONFIG_SMALL("Apply arbitrary expressions to samples in frequency domain."),
     .priv_size       = sizeof(AFFTFiltContext),

diff --git a/libavfilter/af_afir.c b/libavfilter/af_afir.c
@@ -948,7 +948,7 @@ static const AVOption afir_options[] = {
 
 AVFILTER_DEFINE_CLASS(afir);
 
-AVFilter ff_af_afir = {
+const AVFilter ff_af_afir = {
     .name          = "afir",
     .description   = NULL_IF_CONFIG_SMALL("Apply Finite Impulse Response filter with supplied coefficients in additional stream(s)."),
     .priv_size     = sizeof(AudioFIRContext),

diff --git a/libavfilter/af_aformat.c b/libavfilter/af_aformat.c
@@ -157,7 +157,7 @@ static const AVFilterPad avfilter_af_aformat_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aformat = {
+const AVFilter ff_af_aformat = {
     .name          = "aformat",
     .description   = NULL_IF_CONFIG_SMALL("Convert the input audio to one of the specified formats."),
     .init          = init,

diff --git a/libavfilter/af_afreqshift.c b/libavfilter/af_afreqshift.c
@@ -390,7 +390,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_afreqshift = {
+const AVFilter ff_af_afreqshift = {
     .name            = "afreqshift",
     .description     = NULL_IF_CONFIG_SMALL("Apply frequency shifting to input audio."),
     .query_formats   = query_formats,
@@ -412,7 +412,7 @@ static const AVOption aphaseshift_options[] = {
 
 AVFILTER_DEFINE_CLASS(aphaseshift);
 
-AVFilter ff_af_aphaseshift = {
+const AVFilter ff_af_aphaseshift = {
     .name            = "aphaseshift",
     .description     = NULL_IF_CONFIG_SMALL("Apply phase shifting to input audio."),
     .query_formats   = query_formats,

diff --git a/libavfilter/af_agate.c b/libavfilter/af_agate.c
@@ -260,7 +260,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_agate = {
+const AVFilter ff_af_agate = {
     .name           = "agate",
     .description    = NULL_IF_CONFIG_SMALL("Audio gate."),
     .query_formats  = query_formats,
@@ -437,7 +437,7 @@ static const AVFilterPad sidechaingate_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_sidechaingate = {
+const AVFilter ff_af_sidechaingate = {
     .name           = "sidechaingate",
     .description    = NULL_IF_CONFIG_SMALL("Audio sidechain gate."),
     .priv_size      = sizeof(AudioGateContext),

diff --git a/libavfilter/af_aiir.c b/libavfilter/af_aiir.c
@@ -1577,7 +1577,7 @@ static const AVOption aiir_options[] = {
 
 AVFILTER_DEFINE_CLASS(aiir);
 
-AVFilter ff_af_aiir = {
+const AVFilter ff_af_aiir = {
     .name          = "aiir",
     .description   = NULL_IF_CONFIG_SMALL("Apply Infinite Impulse Response filter with supplied coefficients."),
     .priv_size     = sizeof(AudioIIRContext),

diff --git a/libavfilter/af_alimiter.c b/libavfilter/af_alimiter.c
@@ -362,7 +362,7 @@ static const AVFilterPad alimiter_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_alimiter = {
+const AVFilter ff_af_alimiter = {
     .name           = "alimiter",
     .description    = NULL_IF_CONFIG_SMALL("Audio lookahead limiter."),
     .priv_size      = sizeof(AudioLimiterContext),

diff --git a/libavfilter/af_amerge.c b/libavfilter/af_amerge.c
@@ -347,7 +347,7 @@ static const AVFilterPad amerge_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_amerge = {
+const AVFilter ff_af_amerge = {
     .name          = "amerge",
     .description   = NULL_IF_CONFIG_SMALL("Merge two or more audio streams into "
                                           "a single multi-channel stream."),

diff --git a/libavfilter/af_amix.c b/libavfilter/af_amix.c
@@ -637,7 +637,7 @@ static const AVFilterPad avfilter_af_amix_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_amix = {
+const AVFilter ff_af_amix = {
     .name           = "amix",
     .description    = NULL_IF_CONFIG_SMALL("Audio mixing."),
     .priv_size      = sizeof(MixContext),

diff --git a/libavfilter/af_amultiply.c b/libavfilter/af_amultiply.c
@@ -205,7 +205,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_amultiply = {
+const AVFilter ff_af_amultiply = {
     .name           = "amultiply",
     .description    = NULL_IF_CONFIG_SMALL("Multiply two audio streams."),
     .priv_size      = sizeof(AudioMultiplyContext),

diff --git a/libavfilter/af_anequalizer.c b/libavfilter/af_anequalizer.c
@@ -764,7 +764,7 @@ static const AVFilterPad inputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_anequalizer = {
+const AVFilter ff_af_anequalizer = {
     .name          = "anequalizer",
     .description   = NULL_IF_CONFIG_SMALL("Apply high-order audio parametric multi band equalizer."),
     .priv_size     = sizeof(AudioNEqualizerContext),

diff --git a/libavfilter/af_anlmdn.c b/libavfilter/af_anlmdn.c
@@ -408,7 +408,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_anlmdn = {
+const AVFilter ff_af_anlmdn = {
     .name          = "anlmdn",
     .description   = NULL_IF_CONFIG_SMALL("Reduce broadband noise from stream using Non-Local Means."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_anlms.c b/libavfilter/af_anlms.c
@@ -314,7 +314,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_anlms = {
+const AVFilter ff_af_anlms = {
     .name           = "anlms",
     .description    = NULL_IF_CONFIG_SMALL("Apply Normalized Least-Mean-Squares algorithm to first audio stream."),
     .priv_size      = sizeof(AudioNLMSContext),

diff --git a/libavfilter/af_anull.c b/libavfilter/af_anull.c
@@ -43,7 +43,7 @@ static const AVFilterPad avfilter_af_anull_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_anull = {
+const AVFilter ff_af_anull = {
     .name          = "anull",
     .description   = NULL_IF_CONFIG_SMALL("Pass the source unchanged to the output."),
     .inputs        = avfilter_af_anull_inputs,

diff --git a/libavfilter/af_apad.c b/libavfilter/af_apad.c
@@ -168,7 +168,7 @@ static const AVFilterPad apad_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_apad = {
+const AVFilter ff_af_apad = {
     .name          = "apad",
     .description   = NULL_IF_CONFIG_SMALL("Pad audio with silence."),
     .init          = init,

diff --git a/libavfilter/af_aphaser.c b/libavfilter/af_aphaser.c
@@ -290,7 +290,7 @@ static const AVFilterPad aphaser_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aphaser = {
+const AVFilter ff_af_aphaser = {
     .name          = "aphaser",
     .description   = NULL_IF_CONFIG_SMALL("Add a phasing effect to the audio."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_apulsator.c b/libavfilter/af_apulsator.c
@@ -246,7 +246,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_apulsator = {
+const AVFilter ff_af_apulsator = {
     .name          = "apulsator",
     .description   = NULL_IF_CONFIG_SMALL("Audio pulsator."),
     .priv_size     = sizeof(AudioPulsatorContext),

diff --git a/libavfilter/af_aresample.c b/libavfilter/af_aresample.c
@@ -342,7 +342,7 @@ static const AVFilterPad aresample_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_aresample = {
+const AVFilter ff_af_aresample = {
     .name          = "aresample",
     .description   = NULL_IF_CONFIG_SMALL("Resample audio data."),
     .init_dict     = init_dict,

diff --git a/libavfilter/af_arnndn.c b/libavfilter/af_arnndn.c
@@ -1619,7 +1619,7 @@ static const AVOption arnndn_options[] = {
 
 AVFILTER_DEFINE_CLASS(arnndn);
 
-AVFilter ff_af_arnndn = {
+const AVFilter ff_af_arnndn = {
     .name          = "arnndn",
     .description   = NULL_IF_CONFIG_SMALL("Reduce noise from speech using Recurrent Neural Networks."),
     .query_formats = query_formats,

diff --git a/libavfilter/af_asetnsamples.c b/libavfilter/af_asetnsamples.c
@@ -118,7 +118,7 @@ static const AVFilterPad asetnsamples_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_asetnsamples = {
+const AVFilter ff_af_asetnsamples = {
     .name        = "asetnsamples",
     .description = NULL_IF_CONFIG_SMALL("Set the number of samples for each output audio frames."),
     .priv_size   = sizeof(ASNSContext),

diff --git a/libavfilter/af_asetrate.c b/libavfilter/af_asetrate.c
@@ -106,7 +106,7 @@ static const AVFilterPad asetrate_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_asetrate = {
+const AVFilter ff_af_asetrate = {
     .name          = "asetrate",
     .description   = NULL_IF_CONFIG_SMALL("Change the sample rate without "
                                           "altering the data."),

diff --git a/libavfilter/af_ashowinfo.c b/libavfilter/af_ashowinfo.c
@@ -254,7 +254,7 @@ static const AVFilterPad outputs[] = {
     { NULL }
 };
 
-AVFilter ff_af_ashowinfo = {
+const AVFilter ff_af_ashowinfo = {
     .name        = "ashowinfo",
     .description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."),
     .priv_size   = sizeof(AShowInfoContext),