Give all anonymously typedeffed structs in headers a name

Anonymous structs cannot be forward declared and have no benefit.

56 files changed, 114 insertions, 114 deletions

diff --git a/cmdutils.h b/cmdutils.h
index 7dc9e8f14f..3cf34ffae3 100644
--- a/cmdutils.h
+++ b/cmdutils.h
@@ -121,7 +121,7 @@ typedef struct SpecifierOpt {
     } u;
 } SpecifierOpt;
 
-typedef struct {
+typedef struct OptionDef {
     const char *name;
     int flags;
 #define HAS_ARG    0x0001
@@ -356,7 +356,7 @@ int read_yesno(void);
  */
 int cmdutils_read_file(const char *filename, char **bufptr, size_t *size);
 
-typedef struct {
+typedef struct PtsCorrectionContext {
     int64_t num_faulty_pts; /// Number of incorrect PTS values so far
     int64_t num_faulty_dts; /// Number of incorrect DTS values so far
     int64_t last_pts;       /// PTS of the last frame
diff --git a/libavcodec/aac.h b/libavcodec/aac.h
index 45aacd1071..32baf9d0c5 100644
--- a/libavcodec/aac.h
+++ b/libavcodec/aac.h
@@ -113,7 +113,7 @@ enum OCStatus {
     OC_LOCKED,      ///< Output configuration locked in place
 };
 
-typedef struct {
+typedef struct OutputConfiguration {
     MPEG4AudioConfig m4ac;
     uint8_t layout_map[MAX_ELEM_ID*4][3];
     int layout_map_tags;
@@ -125,7 +125,7 @@ typedef struct {
 /**
  * Predictor State
  */
-typedef struct {
+typedef struct PredictorState {
     float cor0;
     float cor1;
     float var0;
@@ -146,7 +146,7 @@ typedef struct {
 /**
  * Long Term Prediction
  */
-typedef struct {
+typedef struct LongTermPrediction {
     int8_t present;
     int16_t lag;
     float coef;
@@ -156,7 +156,7 @@ typedef struct {
 /**
  * Individual Channel Stream
  */
-typedef struct {
+typedef struct IndividualChannelStream {
     uint8_t max_sfb;            ///< number of scalefactor bands per group
     enum WindowSequence window_sequence[2];
     uint8_t use_kb_window[2];   ///< If set, use Kaiser-Bessel window, otherwise use a sinus window.
@@ -177,7 +177,7 @@ typedef struct {
 /**
  * Temporal Noise Shaping
  */
-typedef struct {
+typedef struct TemporalNoiseShaping {
     int present;
     int n_filt[8];
     int length[8][4];
@@ -189,7 +189,7 @@ typedef struct {
 /**
  * Dynamic Range Control - decoded from the bitstream but not processed further.
  */
-typedef struct {
+typedef struct DynamicRangeControl {
     int pce_instance_tag;                           ///< Indicates with which program the DRC info is associated.
     int dyn_rng_sgn[17];                            ///< DRC sign information; 0 - positive, 1 - negative
     int dyn_rng_ctl[17];                            ///< DRC magnitude information
@@ -202,7 +202,7 @@ typedef struct {
                                                      */
 } DynamicRangeControl;
 
-typedef struct {
+typedef struct Pulse {
     int num_pulse;
     int start;
     int pos[4];
@@ -212,7 +212,7 @@ typedef struct {
 /**
  * coupling parameters
  */
-typedef struct {
+typedef struct ChannelCoupling {
     enum CouplingPoint coupling_point;  ///< The point during decoding at which coupling is applied.
     int num_coupled;       ///< number of target elements
     enum RawDataBlockType type[8];   ///< Type of channel element to be coupled - SCE or CPE.
@@ -226,7 +226,7 @@ typedef struct {
 /**
  * Single Channel Element - used for both SCE and LFE elements.
  */
-typedef struct {
+typedef struct SingleChannelElement {
     IndividualChannelStream ics;
     TemporalNoiseShaping tns;
     Pulse pulse;
@@ -245,7 +245,7 @@ typedef struct {
 /**
  * channel element - generic struct for SCE/CPE/CCE/LFE
  */
-typedef struct {
+typedef struct ChannelElement {
     // CPE specific
     int common_window;        ///< Set if channels share a common 'IndividualChannelStream' in bitstream.
     int     ms_mode;          ///< Signals mid/side stereo flags coding mode (used by encoder)
@@ -260,7 +260,7 @@ typedef struct {
 /**
  * main AAC context
  */
-typedef struct {
+typedef struct AACContext {
     AVCodecContext *avctx;
     AVFrame frame;
 
diff --git a/libavcodec/aacadtsdec.h b/libavcodec/aacadtsdec.h
index 60fdd221a2..6319efcea3 100644
--- a/libavcodec/aacadtsdec.h
+++ b/libavcodec/aacadtsdec.h
@@ -28,7 +28,7 @@
 
 #define AAC_ADTS_HEADER_SIZE 7
 
-typedef struct {
+typedef struct AACADTSHeaderInfo {
     uint32_t sample_rate;
     uint32_t samples;
     uint32_t bit_rate;
diff --git a/libavcodec/aacps.h b/libavcodec/aacps.h
index 6cdac249f9..e8a195ab2b 100644
--- a/libavcodec/aacps.h
+++ b/libavcodec/aacps.h
@@ -38,7 +38,7 @@
 #define PS_AP_LINKS 3
 #define PS_MAX_AP_DELAY 5
 
-typedef struct {
+typedef struct PSContext {
     int    start;
     int    enable_iid;
     int    iid_quant;
diff --git a/libavcodec/ac3.h b/libavcodec/ac3.h
index 304c86c181..647432f02e 100644
--- a/libavcodec/ac3.h
+++ b/libavcodec/ac3.h
@@ -91,7 +91,7 @@ typedef struct AC3BitAllocParameters {
  * @struct AC3HeaderInfo
  * Coded AC-3 header values up to the lfeon element, plus derived values.
  */
-typedef struct {
+typedef struct AC3HeaderInfo {
     /** @name Coded elements
      * @{
      */
diff --git a/libavcodec/ac3dec.h b/libavcodec/ac3dec.h
index a2625a6023..eabfd29e76 100644
--- a/libavcodec/ac3dec.h
+++ b/libavcodec/ac3dec.h
@@ -65,7 +65,7 @@
 /** Large enough for maximum possible frame size when the specification limit is ignored */
 #define AC3_FRAME_BUFFER_SIZE 32768
 
-typedef struct {
+typedef struct AC3DecodeContext {
     AVClass        *class;                  ///< class for AVOptions
     AVCodecContext *avctx;                  ///< parent context
     AVFrame frame;                          ///< AVFrame for decoded output
diff --git a/libavcodec/acelp_vectors.h b/libavcodec/acelp_vectors.h
index 2c5d319e45..d6226bf020 100644
--- a/libavcodec/acelp_vectors.h
+++ b/libavcodec/acelp_vectors.h
@@ -26,7 +26,7 @@
 #include <stdint.h>
 
 /** Sparse representation for the algebraic codebook (fixed) vector */
-typedef struct {
+typedef struct AMRFixed {
     int      n;
     int      x[10];
     float    y[10];
diff --git a/libavcodec/adx.h b/libavcodec/adx.h
index 92abe5f163..47d9f24a85 100644
--- a/libavcodec/adx.h
+++ b/libavcodec/adx.h
@@ -35,11 +35,11 @@
 
 #include "avcodec.h"
 
-typedef struct {
+typedef struct ADXChannelState {
     int s1,s2;
 } ADXChannelState;
 
-typedef struct {
+typedef struct ADXContext {
     AVFrame frame;
     int channels;
     ADXChannelState prev[2];
diff --git a/libavcodec/amrnbdata.h b/libavcodec/amrnbdata.h
index c2e2f8a5e5..b7d1b89608 100644
--- a/libavcodec/amrnbdata.h
+++ b/libavcodec/amrnbdata.h
@@ -55,7 +55,7 @@ enum Mode {
 /**
  * AMRNB unpacked data subframe
  */
-typedef struct {
+typedef struct AMRNBSubframe {
     uint16_t p_lag;      ///< index to decode the pitch lag
     uint16_t p_gain;     ///< index to decode the pitch gain
     uint16_t fixed_gain; ///< index to decode the fixed gain factor, for MODE_12k2 and MODE_7k95
@@ -65,7 +65,7 @@ typedef struct {
 /**
  * AMRNB unpacked data frame
  */
-typedef struct {
+typedef struct AMRNBFrame {
     uint16_t lsf[5];           ///< lsf parameters: 5 parameters for MODE_12k2, only 3 for other modes
     AMRNBSubframe subframe[4]; ///< unpacked data for each subframe
 } AMRNBFrame;
diff --git a/libavcodec/amrwbdata.h b/libavcodec/amrwbdata.h
index 83a93e997a..81f8b47d1b 100644
--- a/libavcodec/amrwbdata.h
+++ b/libavcodec/amrwbdata.h
@@ -66,7 +66,7 @@ enum Mode {
 
 /* All decoded parameters in these structs must be 2 bytes long
  * because of the direct indexing at the frame parsing */
-typedef struct {
+typedef struct AMRWBSubFrame {
     uint16_t adap;                         ///< adaptive codebook index
     uint16_t ltp;                          ///< ltp-filtering flag
     uint16_t vq_gain;                      ///< VQ adaptive and innovative gains
@@ -75,7 +75,7 @@ typedef struct {
     uint16_t pul_il[4];                    ///< LSBs part of codebook index
 } AMRWBSubFrame;
 
-typedef struct {
+typedef struct AMRWBFrame {
     uint16_t vad;                          ///< voice activity detection flag
     uint16_t isp_id[7];                    ///< index of ISP subvectors
     AMRWBSubFrame subframe[4];             ///< data for subframes
diff --git a/libavcodec/bytestream.h b/libavcodec/bytestream.h
index 444f758e5d..0f89558e3d 100644
--- a/libavcodec/bytestream.h
+++ b/libavcodec/bytestream.h
@@ -29,11 +29,11 @@
 #include "libavutil/common.h"
 #include "libavutil/intreadwrite.h"
 
-typedef struct {
+typedef struct GetByteContext {
     const uint8_t *buffer, *buffer_end, *buffer_start;
 } GetByteContext;
 
-typedef struct {
+typedef struct PutByteContext {
     uint8_t *buffer, *buffer_end, *buffer_start;
     int eof;
 } PutByteContext;
diff --git a/libavcodec/cavs.h b/libavcodec/cavs.h
index 8f5da54b3a..2e43124927 100644
--- a/libavcodec/cavs.h
+++ b/libavcodec/cavs.h
@@ -152,7 +152,7 @@ struct dec_2dvlc {
   int8_t max_run;
 };
 
-typedef struct {
+typedef struct AVSContext {
     MpegEncContext s;
     CAVSDSPContext cdsp;
     Picture picture; ///< currently decoded frame
diff --git a/libavcodec/dirac.h b/libavcodec/dirac.h
index f8063d9e28..e5b79b09d2 100644
--- a/libavcodec/dirac.h
+++ b/libavcodec/dirac.h
@@ -31,7 +31,7 @@
 #include "avcodec.h"
 #include "get_bits.h"
 
-typedef struct {
+typedef struct dirac_source_params {
     unsigned width;
     unsigned height;
     uint8_t chroma_format;          ///< 0: 444  1: 422  2: 420
diff --git a/libavcodec/dnxhddata.h b/libavcodec/dnxhddata.h
index 74cf0b522f..66b03499d7 100644
--- a/libavcodec/dnxhddata.h
+++ b/libavcodec/dnxhddata.h
@@ -25,7 +25,7 @@
 #include <stdint.h>
 #include "avcodec.h"
 
-typedef struct {
+typedef struct CIDEntry {
     int cid;
     unsigned int width, height;
     int interlaced;
diff --git a/libavcodec/dnxhdenc.h b/libavcodec/dnxhdenc.h
index 4484cf8023..c74b9a78ca 100644
--- a/libavcodec/dnxhdenc.h
+++ b/libavcodec/dnxhdenc.h
@@ -29,12 +29,12 @@
 #include "mpegvideo.h"
 #include "dnxhddata.h"
 
-typedef struct {
+typedef struct RCCMPEntry {
     uint16_t mb;
     int value;
 } RCCMPEntry;
 
-typedef struct {
+typedef struct RCEntry {
     int ssd;
     int bits;
 } RCEntry;
diff --git a/libavcodec/dwt.h b/libavcodec/dwt.h
index f2d7864c65..e06f3f9393 100644
--- a/libavcodec/dwt.h
+++ b/libavcodec/dwt.h
@@ -26,7 +26,7 @@
 typedef int DWTELEM;
 typedef short IDWTELEM;
 
-typedef struct {
+typedef struct DWTCompose {
     IDWTELEM *b0;
     IDWTELEM *b1;
     IDWTELEM *b2;
diff --git a/libavcodec/g722.h b/libavcodec/g722.h
index eb3b9b872e..bab1da48cc 100644
--- a/libavcodec/g722.h
+++ b/libavcodec/g722.h
@@ -30,7 +30,7 @@
 
 #define PREV_SAMPLES_BUF_SIZE 1024
 
-typedef struct {
+typedef struct G722Context {
     const AVClass *class;
     AVFrame frame;
     int     bits_per_codeword;
diff --git a/libavcodec/gsmdec_data.h b/libavcodec/gsmdec_data.h
index 2ff2322ab1..61715c8858 100644
--- a/libavcodec/gsmdec_data.h
+++ b/libavcodec/gsmdec_data.h
@@ -25,7 +25,7 @@
 #include <stdint.h>
 #include "avcodec.h"
 
-typedef struct {
+typedef struct GSMContext {
     AVFrame frame;
     // Contains first 120 elements from the previous frame
     // (used by long_term_synth according to the "lag"),
diff --git a/libavcodec/huffman.h b/libavcodec/huffman.h
index 881c30db47..043e6e3991 100644
--- a/libavcodec/huffman.h
+++ b/libavcodec/huffman.h
@@ -29,7 +29,7 @@
 #include "avcodec.h"
 #include "get_bits.h"
 
-typedef struct {
+typedef struct Node {
     int16_t  sym;
     int16_t  n0;
     uint32_t count;
diff --git a/libavcodec/indeo3data.h b/libavcodec/indeo3data.h
index 55164c2531..2ef8ea74bd 100644
--- a/libavcodec/indeo3data.h
+++ b/libavcodec/indeo3data.h
@@ -320,7 +320,7 @@ static const int32_t delta_tab_3_4_m10[79]  = { TAB_3_4 };
 static const int32_t delta_tab_3_5_m10[79]  = { TAB_3_5 };
 
 
-typedef struct {
+typedef struct vqEntry {
     const int16_t  *deltas;     ///< delta tables for 4x4 block modes
     const int32_t  *deltas_m10; ///< delta tables for 8x8 block modes
     uint8_t        num_dyads;   ///< number of two-pixel deltas
diff --git a/libavcodec/intrax8.h b/libavcodec/intrax8.h
index be984f8df7..69673171a8 100644
--- a/libavcodec/intrax8.h
+++ b/libavcodec/intrax8.h
@@ -23,7 +23,7 @@
 #include "mpegvideo.h"
 #include "intrax8dsp.h"
 
-typedef struct{
+typedef struct IntraX8Context {
     VLC * j_ac_vlc[4];//they point to the static j_mb_vlc
     VLC * j_orient_vlc;
     VLC * j_dc_vlc[3];
diff --git a/libavcodec/ivi_common.h b/libavcodec/ivi_common.h
index 1b654f8ead..7c6d1314de 100644
--- a/libavcodec/ivi_common.h
+++ b/libavcodec/ivi_common.h
@@ -40,7 +40,7 @@
 /**
  *  huffman codebook descriptor
  */
-typedef struct {
+typedef struct IVIHuffDesc {
     int32_t     num_rows;
     uint8_t     xbits[16];
 } IVIHuffDesc;
@@ -48,7 +48,7 @@ typedef struct {
 /**
  *  macroblock/block huffman table descriptor
  */
-typedef struct {
+typedef struct IVIHuffTab {
     int32_t     tab_sel;    /// index of one of the predefined tables
                             /// or "7" for custom one
     VLC         *tab;       /// pointer to the table associated with tab_sel
@@ -85,7 +85,7 @@ typedef void (DCTransformPtr) (const int32_t *in, int16_t *out, uint32_t pitch,
 /**
  *  run-value (RLE) table descriptor
  */
-typedef struct {
+typedef struct RVMapDesc {
     uint8_t     eob_sym; ///< end of block symbol
     uint8_t     esc_sym; ///< escape symbol
     uint8_t     runtab[256];
@@ -98,7 +98,7 @@ extern const RVMapDesc ff_ivi_rvmap_tabs[9];
 /**
  *  information for Indeo macroblock (16x16, 8x8 or 4x4)
  */
-typedef struct {
+typedef struct IVIMbInfo {
     int16_t     xpos;
     int16_t     ypos;
     uint32_t    buf_offs; ///< address in the output buffer for this mb
@@ -113,7 +113,7 @@ typedef struct {
 /**
  *  information for Indeo tile
  */
-typedef struct {
+typedef struct IVITile {
     int         xpos;
     int         ypos;
     int         width;
@@ -130,7 +130,7 @@ typedef struct {
 /**
  *  information for Indeo wavelet band
  */
-typedef struct {
+typedef struct IVIBandDesc {
     int             plane;          ///< plane number this band belongs to
     int             band_num;       ///< band number
     int             width;
@@ -177,7 +177,7 @@ typedef struct {
 /**
  *  color plane (luma or chroma) information
  */
-typedef struct {
+typedef struct IVIPlaneDesc {
     uint16_t    width;
     uint16_t    height;
     uint8_t     num_bands;  ///< number of bands this plane subdivided into
@@ -185,7 +185,7 @@ typedef struct {
 } IVIPlaneDesc;
 
 
-typedef struct {
+typedef struct IVIPicConfig {
     uint16_t    pic_width;
     uint16_t    pic_height;
     uint16_t    chroma_width;
diff --git a/libavcodec/libschroedinger.h b/libavcodec/libschroedinger.h
index 8d04d2cdcb..f33014d766 100644
--- a/libavcodec/libschroedinger.h
+++ b/libavcodec/libschroedinger.h
@@ -31,7 +31,7 @@
 
 #include "avcodec.h"
 
-typedef struct {
+typedef struct SchroVideoFormatInfo {
     uint16_t width;
     uint16_t height;
     uint16_t frame_rate_num;
diff --git a/libavcodec/mlp.h b/libavcodec/mlp.h
index b001ad270d..d7711126b8 100644
--- a/libavcodec/mlp.h
+++ b/libavcodec/mlp.h
@@ -71,7 +71,7 @@
 #define IIR 1
 
 /** filter data */
-typedef struct {
+typedef struct FilterParams {
     uint8_t     order; ///< number of taps in filter
     uint8_t     shift; ///< Right shift to apply to output of filter.
 
@@ -79,7 +79,7 @@ typedef struct {
 } FilterParams;
 
 /** sample data coding information */
-typedef struct {
+typedef struct ChannelParams {
     FilterParams filter_params[NUM_FILTERS];
     int32_t     coeff[NUM_FILTERS][MAX_FIR_ORDER];
 
diff --git a/libavcodec/mpc.h b/libavcodec/mpc.h
index 2ee3c6d416..86d4b6d393 100644
--- a/libavcodec/mpc.h
+++ b/libavcodec/mpc.h
@@ -41,7 +41,7 @@
 #define MPC_FRAME_SIZE   (BANDS * SAMPLES_PER_BAND)
 
 /** Subband structure - hold all variables for each subband */
-typedef struct {
+typedef struct Band {
     int msf; ///< mid-stereo flag
     int res[2];
     int scfi[2];
@@ -49,7 +49,7 @@ typedef struct {
     int Q[2];
 }Band;
 
-typedef struct {
+typedef struct MPCContext {
     AVFrame frame;
     DSPContext dsp;
     MPADSPContext mpadsp;
diff --git a/libavcodec/mpeg4audio.h b/libavcodec/mpeg4audio.h
index 7560f3f4e4..1ee2d7e2c7 100644
--- a/libavcodec/mpeg4audio.h
+++ b/libavcodec/mpeg4audio.h
@@ -26,7 +26,7 @@
 #include "get_bits.h"
 #include "put_bits.h"
 
-typedef struct {
+typedef struct MPEG4AudioConfig {
     int object_type;
     int sampling_index;
     int sample_rate;
diff --git a/libavcodec/proresdsp.h b/libavcodec/proresdsp.h
index f6578258a1..ba22259fcb 100644
--- a/libavcodec/proresdsp.h
+++ b/libavcodec/proresdsp.h
@@ -27,7 +27,7 @@
 
 #define PRORES_BITS_PER_SAMPLE 10 ///< output precision of prores decoder
 
-typedef struct {
+typedef struct ProresDSPContext {
     int idct_permutation_type;
     uint8_t idct_permutation[64];
     int dct_permutation_type;
diff --git a/libavcodec/qcelpdata.h b/libavcodec/qcelpdata.h
index 4c6cf15e3e..319833e904 100644
--- a/libavcodec/qcelpdata.h
+++ b/libavcodec/qcelpdata.h
@@ -37,7 +37,7 @@
 /**
  * QCELP unpacked data frame
  */
-typedef struct {
+typedef struct QCELPFrame {
 /// @name QCELP excitation codebook parameters
 /// @{
     uint8_t cbsign[16]; ///< sign of the codebook gain for each codebook subframe
@@ -73,7 +73,7 @@ typedef struct {
  */
 static const float qcelp_hammsinc_table[4] = { -0.006822,  0.041249, -0.143459,  0.588863};
 
-typedef struct {
+typedef struct QCELPBitmap {
     uint8_t index;  /**< index into the QCELPContext structure */
     uint8_t bitpos; /**< position of the lowest bit in the value's byte */
     uint8_t bitlen; /**< number of bits to read */
diff --git a/libavcodec/ra144.h b/libavcodec/ra144.h
index 967afe02ee..73f83f0865 100644
--- a/libavcodec/ra144.h
+++ b/libavcodec/ra144.h
@@ -33,7 +33,7 @@
 #define FRAMESIZE       20      ///< size of encoded frame
 #define LPC_ORDER       10      ///< order of LPC filter
 
-typedef struct {
+typedef struct RA144Context {
     AVCodecContext *avctx;
     AVFrame frame;
     LPCContext lpc_ctx;
diff --git a/libavcodec/roqvideo.h b/libavcodec/roqvideo.h
index 4018e357a9..33d77edc8b 100644
--- a/libavcodec/roqvideo.h
+++ b/libavcodec/roqvideo.h
@@ -27,16 +27,16 @@
 #include "bytestream.h"
 #include "dsputil.h"
 
-typedef struct {
+typedef struct roq_cell {
     unsigned char y[4];
     unsigned char u, v;
 } roq_cell;
 
-typedef struct {
+typedef struct roq_qcell {
     int idx[4];
 } roq_qcell;
 
-typedef struct {
+typedef struct motion_vect {
     int d[2];
 } motion_vect;
 
diff --git a/libavcodec/rtjpeg.h b/libavcodec/rtjpeg.h
index 18f843ba82..9fbfb34ddc 100644
--- a/libavcodec/rtjpeg.h
+++ b/libavcodec/rtjpeg.h
@@ -29,7 +29,7 @@
 #define RTJPEG_FILE_VERSION 0
 #define RTJPEG_HEADER_SIZE 12
 
-typedef struct {
+typedef struct RTJpegContext {
     int w, h;
     DSPContext *dsp;
     uint8_t scan[64];
diff --git a/libavcodec/sbr.h b/libavcodec/sbr.h
index 228b158e10..a47ad6eedb 100644
--- a/libavcodec/sbr.h
+++ b/libavcodec/sbr.h
@@ -37,7 +37,7 @@
 /**
  * Spectral Band Replication header - spectrum parameters that invoke a reset if they differ from the previous header.
  */
-typedef struct {
+typedef struct SpectrumParameters {
     uint8_t bs_start_freq;
     uint8_t bs_stop_freq;
     uint8_t bs_xover_band;
@@ -57,7 +57,7 @@ typedef struct {
 /**
  * Spectral Band Replication per channel data
  */
-typedef struct {
+typedef struct SBRData {
     /**
      * @name Main bitstream data variables
      * @{
@@ -111,7 +111,7 @@ typedef struct {
 /**
  * Spectral Band Replication
  */
-typedef struct {
+typedef struct SpectralBandReplication {
     int                sample_rate;
     int                start;
     int                reset;
diff --git a/libavcodec/vorbis.h b/libavcodec/vorbis.h
index ee4967cdfe..6b72f6ad7e 100644
--- a/libavcodec/vorbis.h
+++ b/libavcodec/vorbis.h
@@ -29,7 +29,7 @@ extern const uint8_t ff_vorbis_channel_layout_offsets[8][8];
 extern const uint8_t ff_vorbis_encoding_channel_layout_offsets[8][8];
 extern const uint64_t ff_vorbis_channel_layouts[9];
 
-typedef struct {
+typedef struct vorbis_floor1_entry {
     uint16_t x;
     uint16_t sort;
     uint16_t low;
diff --git a/libavcodec/vp56.h b/libavcodec/vp56.h
index 000dfe0098..27539c7932 100644
--- a/libavcodec/vp56.h
+++ b/libavcodec/vp56.h
@@ -35,7 +35,7 @@
 
 typedef struct vp56_context VP56Context;
 
-typedef struct {
+typedef struct VP56mv {
     DECLARE_ALIGNED(4, int16_t, x);
     int16_t y;
 } VP56mv;
@@ -52,7 +52,7 @@ typedef int  (*VP56ParseCoeffModels)(VP56Context *s);
 typedef int  (*VP56ParseHeader)(VP56Context *s, const uint8_t *buf,
                                 int buf_size, int *golden_frame);
 
-typedef struct {
+typedef struct VP56RangeCoder {
     int high;
     int bits; /* stored negated (i.e. negative "bits" is a positive number of
                  bits left) in order to eliminate a negate in cache refilling */
@@ -61,18 +61,18 @@ typedef struct {
     unsigned int code_word;
 } VP56RangeCoder;
 
-typedef struct {
+typedef struct VP56RefDc {
     uint8_t not_null_dc;
     VP56Frame ref_frame;
     DCTELEM dc_coeff;
 } VP56RefDc;
 
-typedef struct {
+typedef struct VP56Macroblock {
     uint8_t type;
     VP56mv mv;
 } VP56Macroblock;
 
-typedef struct {
+typedef struct VP56Model {
     uint8_t coeff_reorder[64];       /* used in vp6 only */
     uint8_t coeff_index_to_pos[64];  /* used in vp6 only */
     uint8_t vector_sig[2];           /* delta sign */
diff --git a/libavcodec/vp56data.h b/libavcodec/vp56data.h
index 39bb36d3eb..0535425d3d 100644
--- a/libavcodec/vp56data.h
+++ b/libavcodec/vp56data.h
@@ -51,7 +51,7 @@ typedef enum {
     VP56_MB_INTER_V2_GF    = 9,  /**< Inter MB, second vector, from golden frame */
 } VP56mb;
 
-typedef struct {
+typedef struct VP56Tree {
   int8_t val;
   int8_t prob_idx;
 } VP56Tree;
diff --git a/libavcodec/vp8.h b/libavcodec/vp8.h
index a337173520..073a0335e0 100644
--- a/libavcodec/vp8.h
+++ b/libavcodec/vp8.h
@@ -72,13 +72,13 @@ enum inter_splitmvmode {
     VP8_SPLITMVMODE_NONE,        ///< (only used in prediction) no split MVs
 };
 
-typedef struct {
+typedef struct VP8FilterStrength {
     uint8_t filter_level;
     uint8_t inner_limit;
     uint8_t inner_filter;
 } VP8FilterStrength;
 
-typedef struct {
+typedef struct VP8Macroblock {
     uint8_t skip;
     // todo: make it possible to check for at least (i4x4 or split_mv)
     // in one op. are others needed?
@@ -93,7 +93,7 @@ typedef struct {
     VP56mv bmv[16];
 } VP8Macroblock;
 
-typedef struct {
+typedef struct VP8ThreadData {
     DECLARE_ALIGNED(16, DCTELEM, block)[6][4][16];
     DECLARE_ALIGNED(16, DCTELEM, block_dc)[16];
     /**
@@ -123,7 +123,7 @@ typedef struct {
 } VP8ThreadData;
 
 #define MAX_THREADS 8
-typedef struct {
+typedef struct VP8Context {
     VP8ThreadData *thread_data;
     AVCodecContext *avctx;
     AVFrame *framep[4];
diff --git a/libavcodec/w32pthreads.h b/libavcodec/w32pthreads.h
index 8489f715db..91e7353fbb 100644
--- a/libavcodec/w32pthreads.h
+++ b/libavcodec/w32pthreads.h
@@ -42,7 +42,7 @@
 #include "libavutil/internal.h"
 #include "libavutil/mem.h"
 
-typedef struct {
+typedef struct pthread_t {
     void *handle;
     void *(*func)(void* arg);
     void *arg;
@@ -56,7 +56,7 @@ typedef CRITICAL_SECTION pthread_mutex_t;
 /* This is the CONDITIONAL_VARIABLE typedef for using Window's native
  * conditional variables on kernels 6.0+.
  * MinGW does not currently have this typedef. */
-typedef struct {
+typedef struct pthread_cond_t {
     void *ptr;
 } pthread_cond_t;
 
@@ -117,7 +117,7 @@ static inline int pthread_mutex_unlock(pthread_mutex_t *m)
 
 /* for pre-Windows 6.0 platforms we need to define and use our own condition
  * variable and api */
-typedef struct {
+typedef struct  win32_cond_t {
     pthread_mutex_t mtx_broadcast;
     pthread_mutex_t mtx_waiter_count;
     volatile int waiter_count;
diff --git a/libavcodec/x86/dsputil_mmx.h b/libavcodec/x86/dsputil_mmx.h
index 00c7fb12bf..bd14c5ad41 100644
--- a/libavcodec/x86/dsputil_mmx.h
+++ b/libavcodec/x86/dsputil_mmx.h
@@ -26,7 +26,7 @@
 #include "libavcodec/dsputil.h"
 #include "libavutil/x86/asm.h"
 
-typedef struct { uint64_t a, b; } xmm_reg;
+typedef struct xmm_reg { uint64_t a, b; } xmm_reg;
 
 extern const uint64_t ff_bone;
 extern const uint64_t ff_wtwo;
diff --git a/libavdevice/alsa-audio.h b/libavdevice/alsa-audio.h
index a0e81d9e3e..26eaee6acf 100644
--- a/libavdevice/alsa-audio.h
+++ b/libavdevice/alsa-audio.h
@@ -42,7 +42,7 @@
 
 #define ALSA_BUFFER_SIZE_MAX 32768
 
-typedef struct {
+typedef struct AlsaData {
     AVClass *class;
     snd_pcm_t *h;
     int frame_size;  ///< preferred size for reads and writes
diff --git a/libavdevice/sndio_common.h b/libavdevice/sndio_common.h
index dc75237b86..2f70213aed 100644
--- a/libavdevice/sndio_common.h
+++ b/libavdevice/sndio_common.h
@@ -28,7 +28,7 @@
 #include "libavformat/avformat.h"
 #include "libavutil/log.h"
 
-typedef struct {
+typedef struct SndioData {
     AVClass *class;
     struct sio_hdl *hdl;
     enum AVCodecID codec_id;
diff --git a/libavfilter/gradfun.h b/libavfilter/gradfun.h
index 5d011309c6..876579a182 100644
--- a/libavfilter/gradfun.h
+++ b/libavfilter/gradfun.h
@@ -25,7 +25,7 @@
 #include "avfilter.h"
 
 /// Holds instance-specific information for gradfun.
-typedef struct {
+typedef struct GradFunContext {
     int thresh;    ///< threshold for gradient algorithm
     int radius;    ///< blur radius
     int chroma_w;  ///< width of the chroma planes
diff --git a/libavfilter/yadif.h b/libavfilter/yadif.h
index 9d23870cd1..06b39c69de 100644
--- a/libavfilter/yadif.h
+++ b/libavfilter/yadif.h
@@ -22,7 +22,7 @@
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
 
-typedef struct {
+typedef struct YADIFContext {
     /**
      * 0: send 1 frame for each frame
      * 1: send 1 frame for each field
diff --git a/libavformat/asf.h b/libavformat/asf.h
index b72445def9..1d94a2c924 100644
--- a/libavformat/asf.h
+++ b/libavformat/asf.h
@@ -27,7 +27,7 @@
 
 #define PACKET_SIZE 3200
 
-typedef struct {
+typedef struct ASFStream {
     int num;
     unsigned char seq;
     /* use for reading */
@@ -50,7 +50,7 @@ typedef struct {
 
 typedef uint8_t ff_asf_guid[16];
 
-typedef struct {
+typedef struct ASFMainHeader {
     ff_asf_guid guid;                  ///< generated by client computer
     uint64_t file_size;         /**< in bytes
                                  *   invalid if broadcasting */
@@ -76,7 +76,7 @@ typedef struct {
 } ASFMainHeader;
 
 
-typedef struct {
+typedef struct ASFIndex {
     uint32_t packet_number;
     uint16_t packet_count;
 } ASFIndex;
diff --git a/libavformat/audiointerleave.h b/libavformat/audiointerleave.h
index af29629b8a..9c7b548c1d 100644
--- a/libavformat/audiointerleave.h
+++ b/libavformat/audiointerleave.h
@@ -26,7 +26,7 @@
 #include "libavutil/fifo.h"
 #include "avformat.h"
 
-typedef struct {
+typedef struct AudioInterleaveContext {
     AVFifoBuffer *fifo;
     unsigned fifo_size;           ///< size of currently allocated FIFO
     uint64_t dts;                 ///< current dts
diff --git a/libavformat/httpauth.h b/libavformat/httpauth.h
index bd0644906a..99bf43ffdc 100644
--- a/libavformat/httpauth.h
+++ b/libavformat/httpauth.h
@@ -32,7 +32,7 @@ typedef enum HTTPAuthType {
     HTTP_AUTH_DIGEST,      /**< HTTP 1.1 Digest auth from RFC 2617 */
 } HTTPAuthType;
 
-typedef struct {
+typedef struct DigestParams {
     char nonce[300];       /**< Server specified nonce */
     char algorithm[10];    /**< Server specified digest algorithm */
     char qop[30];          /**< Quality of protection, containing the one
@@ -52,7 +52,7 @@ typedef struct {
  * HTTP Authentication state structure. Must be zero-initialized
  * before used with the functions below.
  */
-typedef struct {
+typedef struct HTTPAuthState {
     /**
      * The currently chosen auth type.
      */
diff --git a/libavformat/isom.h b/libavformat/isom.h
index b191699711..932b1d0a68 100644
--- a/libavformat/isom.h
+++ b/libavformat/isom.h
@@ -42,18 +42,18 @@ int ff_mov_lang_to_iso639(unsigned code, char to[4]);
  * Here we just use what is needed to read the chunks
  */
 
-typedef struct {
+typedef struct MOVStts {
     int count;
     int duration;
 } MOVStts;
 
-typedef struct {
+typedef struct MOVStsc {
     int first;
     int count;
     int id;
 } MOVStsc;
 
-typedef struct {
+typedef struct MOVDref {
     uint32_t type;
     char *path;
     char *dir;
@@ -62,14 +62,14 @@ typedef struct {
     int16_t nlvl_to, nlvl_from;
 } MOVDref;
 
-typedef struct {
+typedef struct MOVAtom {
     uint32_t type;
     int64_t size; /* total size (excluding the size and type fields) */
 } MOVAtom;
 
 struct MOVParseTableEntry;
 
-typedef struct {
+typedef struct MOVFragment {
     unsigned track_id;
     uint64_t base_data_offset;
     uint64_t moof_offset;
@@ -79,7 +79,7 @@ typedef struct {
     unsigned flags;
 } MOVFragment;
 
-typedef struct {
+typedef struct MOVTrackExt {
     unsigned track_id;
     unsigned stsd_id;
     unsigned duration;
@@ -87,7 +87,7 @@ typedef struct {
     unsigned flags;
 } MOVTrackExt;
 
-typedef struct {
+typedef struct MOVSbgp {
     unsigned int count;
     unsigned int index;
 } MOVSbgp;
diff --git a/libavformat/mms.h b/libavformat/mms.h
index 5235581645..e89da41bb6 100644
--- a/libavformat/mms.h
+++ b/libavformat/mms.h
@@ -23,11 +23,11 @@
 
 #include "url.h"
 
-typedef struct {
+typedef struct MMSStream {
     int id;
 }MMSStream;
 
-typedef struct {
+typedef struct MMSContext {
     URLContext *mms_hd;                  ///< TCP connection handle
     MMSStream *streams;
 
diff --git a/libavformat/movenc.h b/libavformat/movenc.h
index 3be43e0fc9..e20ef1475b 100644
--- a/libavformat/movenc.h
+++ b/libavformat/movenc.h
@@ -60,13 +60,13 @@ typedef struct HintSample {
     int own_data;
 } HintSample;
 
-typedef struct {
+typedef struct HintSampleQueue {
     int size;
     int len;
     HintSample *samples;
 } HintSampleQueue;
 
-typedef struct {
+typedef struct MOVFragmentInfo {
     int64_t offset;
     int64_t time;
     int64_t duration;
diff --git a/libavformat/mpegts.h b/libavformat/mpegts.h
index 9f2ba3f8f3..89544f06f8 100644
--- a/libavformat/mpegts.h
+++ b/libavformat/mpegts.h
@@ -65,7 +65,7 @@ int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
                            const uint8_t *buf, int len);
 void ff_mpegts_parse_close(MpegTSContext *ts);
 
-typedef struct {
+typedef struct SLConfigDescr {
     int use_au_start;
     int use_au_end;
     int use_rand_acc_pt;
@@ -82,7 +82,7 @@ typedef struct {
     int packet_seq_num_len;
 } SLConfigDescr;
 
-typedef struct {
+typedef struct Mp4Descr {
     int es_id;
     int dec_config_descr_len;
     uint8_t *dec_config_descr;
diff --git a/libavformat/mxf.h b/libavformat/mxf.h
index f39a013f7b..88322d1591 100644
--- a/libavformat/mxf.h
+++ b/libavformat/mxf.h
@@ -54,13 +54,13 @@ enum MXFFrameLayout {
      SeparateFields
 };
 
-typedef struct {
+typedef struct KLVPacket {
     UID key;
     int64_t offset;
     uint64_t length;
 } KLVPacket;
 
-typedef struct {
+typedef struct MXFCodecUL {
     UID uid;
     unsigned matching_len;
     int id;
diff --git a/libavformat/nut.h b/libavformat/nut.h
index 419b123bee..3f09689bd1 100644
--- a/libavformat/nut.h
+++ b/libavformat/nut.h
@@ -53,14 +53,14 @@ typedef enum{
     FLAG_INVALID    =8192, ///<if set, frame_code is invalid
 } Flag;
 
-typedef struct {
+typedef struct Syncpoint {
     uint64_t pos;
     uint64_t back_ptr;
 //    uint64_t global_key_pts;
     int64_t ts;
 } Syncpoint;
 
-typedef struct {
+typedef struct FrameCode {
     uint16_t flags;
     uint8_t  stream_id;
     uint16_t size_mul;
@@ -70,7 +70,7 @@ typedef struct {
     uint8_t  header_idx;
 } FrameCode;
 
-typedef struct {
+typedef struct StreamContext {
     int last_flags;
     int skip_until_key_frame;
     int64_t last_pts;
@@ -81,11 +81,11 @@ typedef struct {
     int decode_delay; //FIXME duplicate of has_b_frames
 } StreamContext;
 
-typedef struct {
+typedef struct ChapterContext {
     AVRational *time_base;
 } ChapterContext;
 
-typedef struct {
+typedef struct NUTContext {
     AVFormatContext *avf;
 //    int written_packet_size;
 //    int64_t packet_start;
@@ -106,7 +106,7 @@ typedef struct {
 extern const AVCodecTag ff_nut_subtitle_tags[];
 extern const AVCodecTag ff_nut_video_tags[];
 
-typedef struct {
+typedef struct Dispositions {
     char str[9];
     int flag;
 } Dispositions;
diff --git a/libavformat/rtpdec.h b/libavformat/rtpdec.h
index 20257a7d39..7f14aa2d68 100644
--- a/libavformat/rtpdec.h
+++ b/libavformat/rtpdec.h
@@ -72,7 +72,7 @@ void ff_rtp_send_punch_packets(URLContext* rtp_handle);
 int ff_rtp_check_and_send_back_rr(RTPDemuxContext *s, int count);
 
 // these statistics are used for rtcp receiver reports...
-typedef struct {
+typedef struct RTPStatistics {
     uint16_t max_seq;           ///< highest sequence number seen
     uint32_t cycles;            ///< shifted count of sequence number cycles
     uint32_t base_seq;          ///< base sequence number
diff --git a/libavformat/swf.h b/libavformat/swf.h
index b1e477b828..97e7b2d4f0 100644
--- a/libavformat/swf.h
+++ b/libavformat/swf.h
@@ -64,7 +64,7 @@
 #undef NDEBUG
 #include <assert.h>
 
-typedef struct {
+typedef struct SWFContext {
     int64_t duration_pos;
     int64_t tag_pos;
     int64_t vframes_pos;
diff --git a/libavutil/dict.h b/libavutil/dict.h
index 72d1e9d25b..492da9a41c 100644
--- a/libavutil/dict.h
+++ b/libavutil/dict.h
@@ -68,7 +68,7 @@
 #define AV_DICT_APPEND         32   /**< If the entry already exists, append to it.  Note that no
                                       delimiter is added, the strings are simply concatenated. */
 
-typedef struct {
+typedef struct AVDictionaryEntry {
     char *key;
     char *value;
 } AVDictionaryEntry;
diff --git a/libavutil/lfg.h b/libavutil/lfg.h
index 904d00a669..5e526c1dae 100644
--- a/libavutil/lfg.h
+++ b/libavutil/lfg.h
@@ -22,7 +22,7 @@
 #ifndef AVUTIL_LFG_H
 #define AVUTIL_LFG_H
 
-typedef struct {
+typedef struct AVLFG {
     unsigned int state[64];
     int index;
 } AVLFG;
diff --git a/libswscale/swscale.h b/libswscale/swscale.h
index 3b304d5629..8f4605ea6b 100644
--- a/libswscale/swscale.h
+++ b/libswscale/swscale.h
@@ -115,13 +115,13 @@ const int *sws_getCoefficients(int colorspace);
 
 // when used for filters they must have an odd number of elements
 // coeffs cannot be shared between vectors
-typedef struct {
+typedef struct SwsVector {
     double *coeff;              ///< pointer to the list of coefficients
     int length;                 ///< number of coefficients in the vector
 } SwsVector;
 
 // vectors can be shared
-typedef struct {
+typedef struct SwsFilter {
     SwsVector *lumH;
     SwsVector *lumV;
     SwsVector *chrH;