lavfi: declare arrays that never change as static const

Signed-off-by: Paul B Mahol <onemda@gmail.com>

libavfilter/af_atempo.c

@@ -978,7 +978,7 @@ static int query_formats(AVFilterContext *ctx)
     // Planar sample formats are too cumbersome to store in a ring buffer,
     // therefore planar sample formats are not supported.
     //
-    enum AVSampleFormat sample_fmts[] = {
+    static const enum AVSampleFormat sample_fmts[] = {
         AV_SAMPLE_FMT_U8,
         AV_SAMPLE_FMT_S16,
         AV_SAMPLE_FMT_S32,

libavfilter/af_earwax.c

@@ -77,7 +77,7 @@ typedef struct {
 
 static int query_formats(AVFilterContext *ctx)
 {
-    int sample_rates[] = { 44100, -1 };
+    static const int sample_rates[] = { 44100, -1 };
 
     AVFilterFormats *formats = NULL;
     AVFilterChannelLayouts *layout = NULL;

libavfilter/af_silencedetect.c

@@ -131,7 +131,7 @@ static int query_formats(AVFilterContext *ctx)
 {
     AVFilterFormats *formats = NULL;
     AVFilterChannelLayouts *layouts = NULL;
-    enum AVSampleFormat sample_fmts[] = {
+    static const enum AVSampleFormat sample_fmts[] = {
         AV_SAMPLE_FMT_DBL,
         AV_SAMPLE_FMT_NONE
     };

libavfilter/af_volumedetect.c

@@ -35,7 +35,7 @@ typedef struct {
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVSampleFormat sample_fmts[] = {
+    static const enum AVSampleFormat sample_fmts[] = {
         AV_SAMPLE_FMT_S16,
         AV_SAMPLE_FMT_S16P,
         AV_SAMPLE_FMT_NONE

libavfilter/asrc_aevalsrc.c

@@ -198,7 +198,7 @@ static int config_props(AVFilterLink *outlink)
 static int query_formats(AVFilterContext *ctx)
 {
     EvalContext *eval = ctx->priv;
-    enum AVSampleFormat sample_fmts[] = { AV_SAMPLE_FMT_DBLP, AV_SAMPLE_FMT_NONE };
+    static const enum AVSampleFormat sample_fmts[] = { AV_SAMPLE_FMT_DBLP, AV_SAMPLE_FMT_NONE };
     int64_t chlayouts[] = { eval->chlayout, -1 };
     int sample_rates[] = { eval->sample_rate, -1 };
 

libavfilter/vf_alphaextract.c

@@ -41,12 +41,12 @@ typedef struct {
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat in_fmts[] = {
+    static const enum AVPixelFormat in_fmts[] = {
         AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P,
         AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
         AV_PIX_FMT_NONE
     };
-    enum AVPixelFormat out_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };
+    static const enum AVPixelFormat out_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };
     ff_formats_ref(ff_make_format_list(in_fmts), &ctx->inputs[0]->out_formats);
     ff_formats_ref(ff_make_format_list(out_fmts), &ctx->outputs[0]->in_formats);
     return 0;

libavfilter/vf_alphamerge.c

@@ -52,12 +52,12 @@ static av_cold void uninit(AVFilterContext *ctx)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat main_fmts[] = {
+    static const enum AVPixelFormat main_fmts[] = {
         AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P,
         AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
         AV_PIX_FMT_NONE
     };
-    enum AVPixelFormat alpha_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };
+    static const enum AVPixelFormat alpha_fmts[] = { AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE };
     AVFilterFormats *main_formats = ff_make_format_list(main_fmts);
     AVFilterFormats *alpha_formats = ff_make_format_list(alpha_fmts);
     ff_formats_ref(main_formats, &ctx->inputs[0]->out_formats);

libavfilter/vf_boxblur.c

@@ -124,7 +124,7 @@ static av_cold void uninit(AVFilterContext *ctx)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat pix_fmts[] = {
+    static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV420P,
         AV_PIX_FMT_YUV411P,  AV_PIX_FMT_YUV410P,  AV_PIX_FMT_YUVA420P,
         AV_PIX_FMT_YUV440P,  AV_PIX_FMT_GRAY8,

libavfilter/vf_delogo.c

@@ -157,7 +157,7 @@ AVFILTER_DEFINE_CLASS(delogo);
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat pix_fmts[] = {
+    static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV420P,
         AV_PIX_FMT_YUV411P,  AV_PIX_FMT_YUV410P,  AV_PIX_FMT_YUV440P,
         AV_PIX_FMT_YUVA420P, AV_PIX_FMT_GRAY8,

libavfilter/vf_deshake.c

@@ -387,7 +387,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat pix_fmts[] = {
+    static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_YUV420P,  AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV410P,
         AV_PIX_FMT_YUV411P,  AV_PIX_FMT_YUV440P,  AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
         AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_NONE

libavfilter/vf_drawbox.c

@@ -100,7 +100,7 @@ static av_cold void uninit(AVFilterContext *ctx)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat pix_fmts[] = {
+    static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV420P,
         AV_PIX_FMT_YUV411P,  AV_PIX_FMT_YUV410P,
         AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,

libavfilter/vf_overlay.c

@@ -157,15 +157,15 @@ static int query_formats(AVFilterContext *ctx)
     OverlayContext *over = ctx->priv;
 
     /* overlay formats contains alpha, for avoiding conversion with alpha information loss */
-    const enum AVPixelFormat main_pix_fmts_yuv[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE };
-    const enum AVPixelFormat overlay_pix_fmts_yuv[] = { AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE };
-    const enum AVPixelFormat main_pix_fmts_rgb[] = {
+    static const enum AVPixelFormat main_pix_fmts_yuv[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE };
+    static const enum AVPixelFormat overlay_pix_fmts_yuv[] = { AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE };
+    static const enum AVPixelFormat main_pix_fmts_rgb[] = {
         AV_PIX_FMT_ARGB,  AV_PIX_FMT_RGBA,
         AV_PIX_FMT_ABGR,  AV_PIX_FMT_BGRA,
         AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
         AV_PIX_FMT_NONE
     };
-    const enum AVPixelFormat overlay_pix_fmts_rgb[] = {
+    static const enum AVPixelFormat overlay_pix_fmts_rgb[] = {
         AV_PIX_FMT_ARGB,  AV_PIX_FMT_RGBA,
         AV_PIX_FMT_ABGR,  AV_PIX_FMT_BGRA,
         AV_PIX_FMT_NONE

libavfilter/vf_removelogo.c

@@ -192,7 +192,7 @@ static void convert_mask_to_strength_mask(uint8_t *data, int linesize,
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE };
+    static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE };
     ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
     return 0;
 }

libavfilter/vf_transpose.c

@@ -86,7 +86,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat pix_fmts[] = {
+    static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_ARGB,         AV_PIX_FMT_RGBA,
         AV_PIX_FMT_ABGR,         AV_PIX_FMT_BGRA,
         AV_PIX_FMT_RGB24,        AV_PIX_FMT_BGR24,

libavfilter/vf_unsharp.c

@@ -159,7 +159,7 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
 
 static int query_formats(AVFilterContext *ctx)
 {
-    enum AVPixelFormat pix_fmts[] = {
+    static const enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_YUV420P,  AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV410P,
         AV_PIX_FMT_YUV411P,  AV_PIX_FMT_YUV440P,  AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
         AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_NONE