fftools/ffmpeg: deprecate -filter_script

It is equivalent to -/filter.

doc/ffmpeg.texi

@@ -977,12 +977,6 @@ syntax.
 See the @ref{filter_complex_option,,-filter_complex option} if you
 want to create filtergraphs with multiple inputs and/or outputs.
 
-@anchor{filter_script option}
-@item -filter_script[:@var{stream_specifier}] @var{filename} (@emph{output,per-stream})
-This option is similar to @option{-filter}, the only difference is that its
-argument is the name of the file from which a filtergraph description is to be
-read.
-
 @item -reinit_filter[:@var{stream_specifier}] @var{integer} (@emph{input,per-stream})
 This boolean option determines if the filtergraph(s) to which this stream is fed gets
 reinitialized when input frame parameters change mid-stream. This option is enabled by

doc/filters.texi

@@ -307,9 +307,6 @@ For example, in case of the @ref{drawtext,,drawtext filter}, you might prefer to
 use the @option{textfile} option in place of @option{text} to specify the text
 to render.
 
-When using the @command{ffmpeg} tool, you might consider to use the
-@ref{filter_script option,,-filter_script option,ffmpeg}.
-
 @chapter Timeline editing
 
 Some filters support a generic @option{enable} option. For the filters

fftools/ffmpeg.h

@@ -221,7 +221,9 @@ typedef struct OptionsContext {
     SpecifierOptList copy_initial_nonkeyframes;
     SpecifierOptList copy_prior_start;
     SpecifierOptList filters;
+#if FFMPEG_OPT_FILTER_SCRIPT
     SpecifierOptList filter_scripts;
+#endif
     SpecifierOptList reinit_filters;
     SpecifierOptList fix_sub_duration;
     SpecifierOptList fix_sub_duration_heartbeat;

fftools/ffmpeg_mux_init.c

@@ -415,36 +415,58 @@ static MuxStream *mux_stream_alloc(Muxer *mux, enum AVMediaType type)
 static int ost_get_filters(const OptionsContext *o, AVFormatContext *oc,
                            OutputStream *ost, char **dst)
 {
-    const char *filters = NULL, *filters_script = NULL;
+    const char *filters = NULL;
+#if FFMPEG_OPT_FILTER_SCRIPT
+    const char *filters_script = NULL;
 
     MATCH_PER_STREAM_OPT(filter_scripts, str, filters_script, oc, ost->st);
+#endif
     MATCH_PER_STREAM_OPT(filters,        str, filters,        oc, ost->st);
 
     if (!ost->enc) {
-        if (filters_script || filters) {
+        if (
+#if FFMPEG_OPT_FILTER_SCRIPT
+            filters_script ||
+#endif
+            filters) {
             av_log(ost, AV_LOG_ERROR,
                    "%s '%s' was specified, but codec copy was selected. "
                    "Filtering and streamcopy cannot be used together.\n",
+#if FFMPEG_OPT_FILTER_SCRIPT
                    filters ? "Filtergraph" : "Filtergraph script",
-                   filters ? filters : filters_script);
+                   filters ? filters : filters_script
+#else
+                   "Filtergraph", filters
+#endif
+                   );
             return AVERROR(ENOSYS);
         }
         return 0;
     }
 
     if (!ost->ist) {
-        if (filters_script || filters) {
+        if (
+#if FFMPEG_OPT_FILTER_SCRIPT
+            filters_script ||
+#endif
+            filters) {
             av_log(ost, AV_LOG_ERROR,
                    "%s '%s' was specified for a stream fed from a complex "
                    "filtergraph. Simple and complex filtering cannot be used "
                    "together for the same stream.\n",
+#if FFMPEG_OPT_FILTER_SCRIPT
                    filters ? "Filtergraph" : "Filtergraph script",
-                   filters ? filters : filters_script);
+                   filters ? filters : filters_script
+#else
+                   "Filtergraph", filters
+#endif
+                   );
             return AVERROR(EINVAL);
         }
         return 0;
     }
 
+#if FFMPEG_OPT_FILTER_SCRIPT
     if (filters_script && filters) {
         av_log(ost, AV_LOG_ERROR, "Both -filter and -filter_script set\n");
         return AVERROR(EINVAL);
@@ -452,7 +474,9 @@ static int ost_get_filters(const OptionsContext *o, AVFormatContext *oc,
 
     if (filters_script)
         *dst = file_read(filters_script);
-    else if (filters)
+    else
+#endif
+    if (filters)
         *dst = av_strdup(filters);
     else
         *dst = av_strdup(ost->type == AVMEDIA_TYPE_VIDEO ? "null" : "anull");

fftools/ffmpeg_opt.c

@@ -1625,9 +1625,11 @@ const OptionDef options[] = {
     { "filter_threads",         OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
         { .func_arg = opt_filter_threads },
         "number of non-complex filter threads" },
+#if FFMPEG_OPT_FILTER_SCRIPT
     { "filter_script",          OPT_TYPE_STRING, OPT_SPEC | OPT_EXPERT | OPT_OUTPUT,
         { .off = OFFSET(filter_scripts) },
-        "read stream filtergraph description from a file", "filename" },
+        "deprecated, use -/filter", "filename" },
+#endif
     { "reinit_filter",          OPT_TYPE_INT, OPT_SPEC | OPT_INPUT | OPT_EXPERT,
         { .off = OFFSET(reinit_filters) },
         "reinit filtergraph on input parameter changes", "" },

tests/fate/filter-audio.mak

@@ -128,7 +128,7 @@ FATE_AFILTER-$(call FILTERDEMDECENCMUX, FIREQUALIZER ATRIM VOLUME, WAV, PCM_S16L
 fate-filter-firequalizer: tests/data/asynth-44100-2.wav
 fate-filter-firequalizer: tests/data/filtergraphs/firequalizer
 fate-filter-firequalizer: REF = tests/data/asynth-44100-2.wav
-fate-filter-firequalizer: CMD = ffmpeg -auto_conversion_filters -i $(TARGET_PATH)/tests/data/asynth-44100-2.wav -filter_script $(TARGET_PATH)/tests/data/filtergraphs/firequalizer -f wav -c:a pcm_s16le -
+fate-filter-firequalizer: CMD = ffmpeg -auto_conversion_filters -i $(TARGET_PATH)/tests/data/asynth-44100-2.wav -/filter $(TARGET_PATH)/tests/data/filtergraphs/firequalizer -f wav -c:a pcm_s16le -
 fate-filter-firequalizer: CMP = oneoff
 fate-filter-firequalizer: CMP_UNIT = s16
 fate-filter-firequalizer: SIZE_TOLERANCE = 1058400 - 1097208

tests/fate/filter-video.mak

@@ -269,11 +269,11 @@ fate-filter-weave: CMD = framecrc -c:v pgmyuv -i $(SRC) -vf weave=bottom
 
 FATE_FILTER_VSYNTH_PGMYUV-$(CONFIG_SELECT_FILTER) += fate-filter-select-alternate
 fate-filter-select-alternate: tests/data/filtergraphs/select-alternate
-fate-filter-select-alternate: CMD = framecrc -c:v pgmyuv -i $(SRC) -filter_script $(TARGET_PATH)/tests/data/filtergraphs/select-alternate
+fate-filter-select-alternate: CMD = framecrc -c:v pgmyuv -i $(SRC) -/filter $(TARGET_PATH)/tests/data/filtergraphs/select-alternate
 
 FATE_FILTER_VSYNTH_PGMYUV-$(call ALLYES, SETPTS_FILTER  SETTB_FILTER) += fate-filter-setpts
 fate-filter-setpts: tests/data/filtergraphs/setpts
-fate-filter-setpts: CMD = framecrc -c:v pgmyuv -i $(SRC) -filter_script $(TARGET_PATH)/tests/data/filtergraphs/setpts
+fate-filter-setpts: CMD = framecrc -c:v pgmyuv -i $(SRC) -/filter $(TARGET_PATH)/tests/data/filtergraphs/setpts
 
 FATE_SHUFFLEFRAMES += fate-filter-shuffleframes
 fate-filter-shuffleframes: CMD = framecrc -c:v pgmyuv -i $(SRC) -vf shuffleframes="2|1|0"
@@ -362,7 +362,7 @@ fate-filter-curves: CMD = framecrc -i $(TARGET_SAMPLES)/utvideo/utvideo_rgb_medi
 
 FATE_FILTER_SAMPLES-$(call FILTERDEMDEC, FORMAT PERMS GRADFUN SCALE, VMD, VMDVIDEO) += fate-filter-gradfun-sample
 fate-filter-gradfun-sample: tests/data/filtergraphs/gradfun
-fate-filter-gradfun-sample: CMD = framecrc -auto_conversion_filters -i $(TARGET_SAMPLES)/vmd/12.vmd -filter_script $(TARGET_PATH)/tests/data/filtergraphs/gradfun -an -frames:v 20
+fate-filter-gradfun-sample: CMD = framecrc -auto_conversion_filters -i $(TARGET_SAMPLES)/vmd/12.vmd -/filter $(TARGET_PATH)/tests/data/filtergraphs/gradfun -an -frames:v 20
 
 FATE_FILTER-$(call FILTERFRAMECRC, TESTSRC SINE CONCAT, FILE_PROTOCOL) += fate-filter-concat fate-filter-concat-vfr
 fate-filter-concat: tests/data/filtergraphs/concat