diff --git a/libavfilter/buffersink.c b/libavfilter/buffersink.c
index a6b24adffd..5144fdaeee 100644
--- a/libavfilter/buffersink.c
+++ b/libavfilter/buffersink.c
@@ -36,7 +36,7 @@
 #include "buffersink.h"
 #include "internal.h"
 
-typedef struct {
+typedef struct BufferSinkContext {
     const AVClass *class;
     AVFifoBuffer *fifo;                      ///< FIFO buffer of video frame references
     unsigned warning_limit;
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index ae7cea2c6b..30d3a3742e 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -41,7 +41,7 @@
 #include "video.h"
 #include "avcodec.h"
 
-typedef struct {
+typedef struct BufferSourceContext {
     const AVClass    *class;
     AVFifoBuffer     *fifo;
     AVRational        time_base;     ///< time_base to set in the output link
diff --git a/libavfilter/f_select.c b/libavfilter/f_select.c
index 1ffc00652c..4d18cbc237 100644
--- a/libavfilter/f_select.c
+++ b/libavfilter/f_select.c
@@ -138,7 +138,7 @@ enum var_name {
     VAR_VARS_NB
 };
 
-typedef struct {
+typedef struct SelectContext {
     const AVClass *class;
     char *expr_str;
     AVExpr *expr;
diff --git a/libavfilter/fifo.c b/libavfilter/fifo.c
index 5310af24de..e477cff4cd 100644
--- a/libavfilter/fifo.c
+++ b/libavfilter/fifo.c
@@ -39,7 +39,7 @@ typedef struct Buf {
     struct Buf        *next;
 } Buf;
 
-typedef struct {
+typedef struct FifoContext {
     Buf  root;
     Buf *last;   ///< last buffered frame
 
diff --git a/libavfilter/setpts.c b/libavfilter/setpts.c
index cb6b2b9aab..0db021814d 100644
--- a/libavfilter/setpts.c
+++ b/libavfilter/setpts.c
@@ -82,7 +82,7 @@ enum var_name {
     VAR_VARS_NB
 };
 
-typedef struct {
+typedef struct SetPTSContext {
     const AVClass *class;
     char *expr_str;
     AVExpr *expr;
diff --git a/libavfilter/settb.c b/libavfilter/settb.c
index ac8b898744..83616c1361 100644
--- a/libavfilter/settb.c
+++ b/libavfilter/settb.c
@@ -51,7 +51,7 @@ enum var_name {
     VAR_VARS_NB
 };
 
-typedef struct {
+typedef struct SetTBContext {
     const AVClass *class;
     char *tb_expr;
     double var_values[VAR_VARS_NB];
diff --git a/libavfilter/src_movie.c b/libavfilter/src_movie.c
index 82bcc56f3d..bcc8e05495 100644
--- a/libavfilter/src_movie.c
+++ b/libavfilter/src_movie.c
@@ -44,12 +44,12 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct MovieStream {
     AVStream *st;
     int done;
 } MovieStream;
 
-typedef struct {
+typedef struct MovieContext {
     /* common A/V fields */
     const AVClass *class;
     int64_t seek_point;   ///< seekpoint in microseconds
diff --git a/libavfilter/unsharp.h b/libavfilter/unsharp.h
index 867892085d..c2aed64a01 100644
--- a/libavfilter/unsharp.h
+++ b/libavfilter/unsharp.h
@@ -64,7 +64,7 @@ typedef struct UnsharpFilterParam {
     uint32_t *sc[MAX_MATRIX_SIZE - 1];       ///< finite state machine storage
 } UnsharpFilterParam;
 
-typedef struct {
+typedef struct UnsharpContext {
     const AVClass *class;
     int lmsize_x, lmsize_y, cmsize_x, cmsize_y;
     float lamount, camount;
diff --git a/libavfilter/vf_aspect.c b/libavfilter/vf_aspect.c
index 97fb216923..84dbee95d5 100644
--- a/libavfilter/vf_aspect.c
+++ b/libavfilter/vf_aspect.c
@@ -56,7 +56,7 @@ enum var_name {
     VARS_NB
 };
 
-typedef struct {
+typedef struct AspectContext {
     const AVClass *class;
     AVRational dar;
     AVRational sar;
diff --git a/libavfilter/vf_blackframe.c b/libavfilter/vf_blackframe.c
index 9b0c973520..0eeda618f9 100644
--- a/libavfilter/vf_blackframe.c
+++ b/libavfilter/vf_blackframe.c
@@ -37,7 +37,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct BlackFrameContext {
     const AVClass *class;
     int bamount;          ///< black amount
     int bthresh;          ///< black threshold
diff --git a/libavfilter/vf_boxblur.c b/libavfilter/vf_boxblur.c
index 3183f435fc..1fa5135d98 100644
--- a/libavfilter/vf_boxblur.c
+++ b/libavfilter/vf_boxblur.c
@@ -55,13 +55,13 @@ enum var_name {
     VARS_NB
 };
 
-typedef struct {
+typedef struct FilterParam {
     int radius;
     int power;
     char *radius_expr;
 } FilterParam;
 
-typedef struct {
+typedef struct BoxBlurContext {
     const AVClass *class;
     FilterParam luma_param;
     FilterParam chroma_param;
diff --git a/libavfilter/vf_crop.c b/libavfilter/vf_crop.c
index 261db33771..30ee077436 100644
--- a/libavfilter/vf_crop.c
+++ b/libavfilter/vf_crop.c
@@ -73,7 +73,7 @@ enum var_name {
     VAR_VARS_NB
 };
 
-typedef struct {
+typedef struct CropContext {
     const AVClass *class;
     int  x;             ///< x offset of the non-cropped area with respect to the input area
     int  y;             ///< y offset of the non-cropped area with respect to the input area
diff --git a/libavfilter/vf_cropdetect.c b/libavfilter/vf_cropdetect.c
index 4a6b658e02..ed8e7a8c11 100644
--- a/libavfilter/vf_cropdetect.c
+++ b/libavfilter/vf_cropdetect.c
@@ -32,7 +32,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct CropDetectContext {
     const AVClass *class;
     int x1, y1, x2, y2;
     int limit;
diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c
index fbc8983875..6ccdfb21d0 100644
--- a/libavfilter/vf_delogo.c
+++ b/libavfilter/vf_delogo.c
@@ -148,7 +148,7 @@ static void apply_delogo(uint8_t *dst, int dst_linesize,
     }
 }
 
-typedef struct {
+typedef struct DelogoContext {
     const AVClass *class;
     int x, y, w, h, band, show;
 }  DelogoContext;
diff --git a/libavfilter/vf_drawbox.c b/libavfilter/vf_drawbox.c
index dd884a7449..115df884e1 100644
--- a/libavfilter/vf_drawbox.c
+++ b/libavfilter/vf_drawbox.c
@@ -66,7 +66,7 @@ enum var_name {
     VARS_NB
 };
 
-typedef struct {
+typedef struct DrawBoxContext {
     const AVClass *class;
     int x, y, w, h;
     int thickness;
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
index ef82eeda13..280abb8a82 100644
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -126,7 +126,7 @@ enum expansion_mode {
     EXP_STRFTIME,
 };
 
-typedef struct {
+typedef struct DrawTextContext {
     const AVClass *class;
     enum expansion_mode exp_mode;   ///< expansion mode to use for the text
     int reinit;                     ///< tells if the filter is being reinited
@@ -260,7 +260,7 @@ struct ft_error
 
 #define FT_ERRMSG(e) ft_errors[e].err_msg
 
-typedef struct {
+typedef struct Glyph {
     FT_Glyph *glyph;
     uint32_t code;
     FT_Bitmap bitmap; ///< array holding bitmaps of font
diff --git a/libavfilter/vf_elbg.c b/libavfilter/vf_elbg.c
index f92d936714..be0885d30b 100644
--- a/libavfilter/vf_elbg.c
+++ b/libavfilter/vf_elbg.c
@@ -33,7 +33,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct ColorContext {
     const AVClass *class;
     AVLFG lfg;
     unsigned int lfg_seed;
diff --git a/libavfilter/vf_fade.c b/libavfilter/vf_fade.c
index cc10b122ca..80ce75dcda 100644
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@@ -49,7 +49,7 @@
 #define FADE_IN  0
 #define FADE_OUT 1
 
-typedef struct {
+typedef struct FadeContext {
     const AVClass *class;
     int type;
     int factor, fade_per_frame;
diff --git a/libavfilter/vf_fieldorder.c b/libavfilter/vf_fieldorder.c
index 84088a0428..36189af270 100644
--- a/libavfilter/vf_fieldorder.c
+++ b/libavfilter/vf_fieldorder.c
@@ -32,7 +32,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct FieldOrderContext {
     const AVClass *class;
     int dst_tff;               ///< output bff/tff
     int          line_size[4]; ///< bytes of pixel data per line for each plane
diff --git a/libavfilter/vf_format.c b/libavfilter/vf_format.c
index 98061e9153..8a41153c20 100644
--- a/libavfilter/vf_format.c
+++ b/libavfilter/vf_format.c
@@ -35,7 +35,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct FormatContext {
     const AVClass *class;
     char *pix_fmts;
     /**
diff --git a/libavfilter/vf_framestep.c b/libavfilter/vf_framestep.c
index 9087f4620b..09945e17ae 100644
--- a/libavfilter/vf_framestep.c
+++ b/libavfilter/vf_framestep.c
@@ -28,7 +28,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct NullContext {
     const AVClass *class;
     int frame_step;
 } FrameStepContext;
diff --git a/libavfilter/vf_hflip.c b/libavfilter/vf_hflip.c
index 19b66062db..faf32853ef 100644
--- a/libavfilter/vf_hflip.c
+++ b/libavfilter/vf_hflip.c
@@ -35,7 +35,7 @@
 #include "libavutil/intreadwrite.h"
 #include "libavutil/imgutils.h"
 
-typedef struct {
+typedef struct FlipContext {
     int max_step[4];    ///< max pixel step for each plane, expressed as a number of bytes
     int planewidth[4];  ///< width of each plane
     int planeheight[4]; ///< height of each plane
diff --git a/libavfilter/vf_hqdn3d.h b/libavfilter/vf_hqdn3d.h
index 268ac9a259..be55400f01 100644
--- a/libavfilter/vf_hqdn3d.h
+++ b/libavfilter/vf_hqdn3d.h
@@ -28,7 +28,7 @@
 
 #include "libavutil/opt.h"
 
-typedef struct {
+typedef struct HQDN3DContext {
     const AVClass *class;
     int16_t *coefs[4];
     uint16_t *line;
diff --git a/libavfilter/vf_interlace.c b/libavfilter/vf_interlace.c
index aff979bb09..0929a7107a 100644
--- a/libavfilter/vf_interlace.c
+++ b/libavfilter/vf_interlace.c
@@ -47,7 +47,7 @@ enum FieldType {
     FIELD_LOWER = 1,
 };
 
-typedef struct {
+typedef struct InterlaceContext {
     const AVClass *class;
     enum ScanMode scan;    // top or bottom field first scanning
 #if FF_API_INTERLACE_LOWPASS_SET
diff --git a/libavfilter/vf_libopencv.c b/libavfilter/vf_libopencv.c
index 2306b09bdb..6b4a7fcb38 100644
--- a/libavfilter/vf_libopencv.c
+++ b/libavfilter/vf_libopencv.c
@@ -68,7 +68,7 @@ static int query_formats(AVFilterContext *ctx)
     return 0;
 }
 
-typedef struct {
+typedef struct OCVContext {
     const AVClass *class;
     char *name;
     char *params;
@@ -78,7 +78,7 @@ typedef struct {
     void *priv;
 } OCVContext;
 
-typedef struct {
+typedef struct SmoothContext {
     int type;
     int    param1, param2;
     double param3, param4;
@@ -245,7 +245,7 @@ static int parse_iplconvkernel(IplConvKernel **kernel, char *buf, void *log_ctx)
     return 0;
 }
 
-typedef struct {
+typedef struct DilateContext {
     int nb_iterations;
     IplConvKernel *kernel;
 } DilateContext;
@@ -302,7 +302,7 @@ static void erode_end_frame_filter(AVFilterContext *ctx, IplImage *inimg, IplIma
     cvErode(inimg, outimg, dilate->kernel, dilate->nb_iterations);
 }
 
-typedef struct {
+typedef struct OCVFilterEntry {
     const char *name;
     size_t priv_size;
     int  (*init)(AVFilterContext *ctx, const char *args);
diff --git a/libavfilter/vf_lut.c b/libavfilter/vf_lut.c
index 9f30ae0cdf..fff5a2ba31 100644
--- a/libavfilter/vf_lut.c
+++ b/libavfilter/vf_lut.c
@@ -57,7 +57,7 @@ enum var_name {
     VAR_VARS_NB
 };
 
-typedef struct {
+typedef struct LutContext {
     const AVClass *class;
     uint8_t lut[4][256];  ///< lookup table for each component
     char   *comp_expr_str[4];
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index 56b2484da2..beb4e8f1ff 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -91,7 +91,7 @@ static const char *eof_action_str[] = {
 #define U 1
 #define V 2
 
-typedef struct {
+typedef struct OverlayContext {
     const AVClass *class;
     int x, y;                   ///< position of overlayed picture
 
diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index 2962e204f0..2d9b9d0362 100644
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -77,7 +77,7 @@ static int query_formats(AVFilterContext *ctx)
     return 0;
 }
 
-typedef struct {
+typedef struct PadContext {
     const AVClass *class;
     int w, h;               ///< output dimensions, a value of 0 will result in the input size
     int x, y;               ///< offsets of the input area with respect to the padded area
diff --git a/libavfilter/vf_pixdesctest.c b/libavfilter/vf_pixdesctest.c
index bf1ca5d739..790dd0d9c2 100644
--- a/libavfilter/vf_pixdesctest.c
+++ b/libavfilter/vf_pixdesctest.c
@@ -29,7 +29,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct PixdescTestContext {
     const AVPixFmtDescriptor *pix_desc;
     uint16_t *line;
 } PixdescTestContext;
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 6b7d474aff..b1d97af4e0 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -71,7 +71,7 @@ enum var_name {
     VARS_NB
 };
 
-typedef struct {
+typedef struct ScaleContext {
     const AVClass *class;
     struct SwsContext *sws;     ///< software scaler context
     struct SwsContext *isws[2]; ///< software scaler context for interlaced material
diff --git a/libavfilter/vf_transpose.c b/libavfilter/vf_transpose.c
index b5ba30e5be..58ddd2cb96 100644
--- a/libavfilter/vf_transpose.c
+++ b/libavfilter/vf_transpose.c
@@ -51,7 +51,7 @@ enum TransposeDir {
     TRANSPOSE_CLOCK_FLIP,
 };
 
-typedef struct {
+typedef struct TransContext {
     const AVClass *class;
     int hsub, vsub;
     int pixsteps[4];
diff --git a/libavfilter/vf_vflip.c b/libavfilter/vf_vflip.c
index f6908e46ab..4a4ae0e5e1 100644
--- a/libavfilter/vf_vflip.c
+++ b/libavfilter/vf_vflip.c
@@ -29,7 +29,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct FlipContext {
     int vsub;   ///< vertical chroma subsampling
 } FlipContext;
 
diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c
index 0ad1474193..8814440760 100644
--- a/libavfilter/vsrc_testsrc.c
+++ b/libavfilter/vsrc_testsrc.c
@@ -47,7 +47,7 @@
 #include "internal.h"
 #include "video.h"
 
-typedef struct {
+typedef struct TestSourceContext {
     const AVClass *class;
     int w, h;
     unsigned int nb_frame;
@@ -488,7 +488,7 @@ static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
 #define LEFT_BOT_VBAR  16
 #define RIGHT_TOP_VBAR 32
 #define RIGHT_BOT_VBAR 64
-    struct {
+    struct segments {
         int x, y, w, h;
     } segments[] = {
         { 1,  0, 5, 1 }, /* TOP_HBAR */