huffyuv: update to current coding style
authorLuca Barbato <lu_zero@gentoo.org>
Mon, 27 Aug 2012 10:30:13 +0000 (12:30 +0200)
committerLuca Barbato <lu_zero@gentoo.org>
Mon, 27 Aug 2012 11:26:58 +0000 (13:26 +0200)
libavcodec/huffyuv.c

index 8e428ac..cd7a876 100644 (file)
 #define A 3
 #endif
 
-typedef enum Predictor{
+typedef enum Predictor {
     LEFT= 0,
     PLANE,
     MEDIAN,
 } Predictor;
 
-typedef struct HYuvContext{
+typedef struct HYuvContext {
     AVCodecContext *avctx;
     Predictor predictor;
     GetBitContext gb;
@@ -80,7 +80,7 @@ typedef struct HYuvContext{
     uint8_t *bitstream_buffer;
     unsigned int bitstream_buffer_size;
     DSPContext dsp;
-}HYuvContext;
+} HYuvContext;
 
 #define classic_shift_luma_table_size 42
 static const unsigned char classic_shift_luma[classic_shift_luma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
@@ -134,59 +134,67 @@ static const unsigned char classic_add_chroma[256] = {
     6, 12,  8, 10,  7,  9,  6,  4,  6,  2,  2,  3,  3,  3,  3,  2,
 };
 
-static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int left){
+static inline int sub_left_prediction(HYuvContext *s, uint8_t *dst,
+                                      uint8_t *src, int w, int left)
+{
     int i;
-    if(w<32){
-        for(i=0; i<w; i++){
-            const int temp= src[i];
-            dst[i]= temp - left;
-            left= temp;
+    if (w < 32) {
+        for (i = 0; i < w; i++) {
+            const int temp = src[i];
+            dst[i] = temp - left;
+            left   = temp;
         }
         return left;
-    }else{
-        for(i=0; i<16; i++){
-            const int temp= src[i];
-            dst[i]= temp - left;
-            left= temp;
+    } else {
+        for (i = 0; i < 16; i++) {
+            const int temp = src[i];
+            dst[i] = temp - left;
+            left   = temp;
         }
-        s->dsp.diff_bytes(dst+16, src+16, src+15, w-16);
+        s->dsp.diff_bytes(dst + 16, src + 16, src + 15, w - 16);
         return src[w-1];
     }
 }
 
-static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst, uint8_t *src, int w, int *red, int *green, int *blue){
+static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst,
+                                             uint8_t *src, int w,
+                                             int *red, int *green, int *blue)
+{
     int i;
     int r,g,b;
-    r= *red;
-    g= *green;
-    b= *blue;
-    for(i=0; i<FFMIN(w,4); i++){
-        const int rt= src[i*4+R];
-        const int gt= src[i*4+G];
-        const int bt= src[i*4+B];
-        dst[i*4+R]= rt - r;
-        dst[i*4+G]= gt - g;
-        dst[i*4+B]= bt - b;
+    r = *red;
+    g = *green;
+    b = *blue;
+
+    for (i = 0; i < FFMIN(w, 4); i++) {
+        const int rt = src[i * 4 + R];
+        const int gt = src[i * 4 + G];
+        const int bt = src[i * 4 + B];
+        dst[i * 4 + R] = rt - r;
+        dst[i * 4 + G] = gt - g;
+        dst[i * 4 + B] = bt - b;
         r = rt;
         g = gt;
         b = bt;
     }
-    s->dsp.diff_bytes(dst+16, src+16, src+12, w*4-16);
-    *red=   src[(w-1)*4+R];
-    *green= src[(w-1)*4+G];
-    *blue=  src[(w-1)*4+B];
+
+    s->dsp.diff_bytes(dst + 16, src + 16, src + 12, w * 4 - 16);
+
+    *red   = src[(w - 1) * 4 + R];
+    *green = src[(w - 1) * 4 + G];
+    *blue  = src[(w - 1) * 4 + B];
 }
 
-static int read_len_table(uint8_t *dst, GetBitContext *gb){
+static int read_len_table(uint8_t *dst, GetBitContext *gb)
+{
     int i, val, repeat;
 
-    for(i=0; i<256;){
-        repeat= get_bits(gb, 3);
-        val   = get_bits(gb, 5);
-        if(repeat==0)
-            repeat= get_bits(gb, 8);
-//printf("%d %d\n", val, repeat);
-        if(i+repeat > 256 || get_bits_left(gb) < 0) {
+    for (i = 0; i < 256;) {
+        repeat = get_bits(gb, 3);
+        val    = get_bits(gb, 5);
+        if (repeat == 0)
+            repeat = get_bits(gb, 8);
+        if (i + repeat > 256 || get_bits_left(gb) < 0) {
             av_log(NULL, AV_LOG_ERROR, "Error reading huffman table\n");
             return -1;
         }
@@ -196,16 +204,17 @@ static int read_len_table(uint8_t *dst, GetBitContext *gb){
     return 0;
 }
 
-static int generate_bits_table(uint32_t *dst, const uint8_t *len_table){
+static int generate_bits_table(uint32_t *dst, const uint8_t *len_table)
+{
     int len, index;
-    uint32_t bits=0;
+    uint32_t bits = 0;
 
-    for(len=32; len>0; len--){
-        for(index=0; index<256; index++){
-            if(len_table[index]==len)
-                dst[index]= bits++;
+    for (len = 32; len > 0; len--) {
+        for (index = 0; index < 256; index++) {
+            if (len_table[index] == len)
+                dst[index] = bits++;
         }
-        if(bits & 1){
+        if (bits & 1) {
             av_log(NULL, AV_LOG_ERROR, "Error generating huffman table\n");
             return -1;
         }
@@ -222,11 +231,11 @@ typedef struct {
 
 static void heap_sift(HeapElem *h, int root, int size)
 {
-    while(root*2+1 < size) {
-        int child = root*2+1;
-        if(child < size-1 && h[child].val > h[child+1].val)
+    while (root * 2 + 1 < size) {
+        int child = root * 2 + 1;
+        if (child < size - 1 && h[child].val > h[child + 1].val)
             child++;
-        if(h[root].val > h[child].val) {
+        if (h[root].val > h[child].val) {
             FFSWAP(HeapElem, h[root], h[child]);
             root = child;
         } else
@@ -234,22 +243,23 @@ static void heap_sift(HeapElem *h, int root, int size)
     }
 }
 
-static void generate_len_table(uint8_t *dst, const uint64_t *stats){
+static void generate_len_table(uint8_t *dst, const uint64_t *stats)
+{
     HeapElem h[256];
     int up[2*256];
     int len[2*256];
     int offset, i, next;
     int size = 256;
 
-    for(offset=1; ; offset<<=1){
-        for(i=0; i<size; i++){
+    for (offset = 1; ; offset <<= 1) {
+        for (i = 0; i < size; i++) {
             h[i].name = i;
             h[i].val = (stats[i] << 8) + offset;
         }
-        for(i=size/2-1; i>=0; i--)
+        for (i = size / 2 - 1; i >= 0; i--)
             heap_sift(h, i, size);
 
-        for(next=size; next<size*2-1; next++){
+        for (next = size; next < size * 2 - 1; next++) {
             // merge the two smallest entries, and put it back in the heap
             uint64_t min1v = h[0].val;
             up[h[0].name] = next;
@@ -261,74 +271,76 @@ static void generate_len_table(uint8_t *dst, const uint64_t *stats){
             heap_sift(h, 0, size);
         }
 
-        len[2*size-2] = 0;
-        for(i=2*size-3; i>=size; i--)
+        len[2 * size - 2] = 0;
+        for (i = 2 * size - 3; i >= size; i--)
             len[i] = len[up[i]] + 1;
-        for(i=0; i<size; i++) {
+        for (i = 0; i < size; i++) {
             dst[i] = len[up[i]] + 1;
-            if(dst[i] >= 32) break;
+            if (dst[i] >= 32) break;
         }
-        if(i==size) break;
+        if (i==size) break;
     }
 }
 #endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
 
-static void generate_joint_tables(HYuvContext *s){
-    uint16_t symbols[1<<VLC_BITS];
-    uint16_t bits[1<<VLC_BITS];
-    uint8_t len[1<<VLC_BITS];
-    if(s->bitstream_bpp < 24){
+static void generate_joint_tables(HYuvContext *s)
+{
+    uint16_t symbols[1 << VLC_BITS];
+    uint16_t bits[1 << VLC_BITS];
+    uint8_t len[1 << VLC_BITS];
+    if (s->bitstream_bpp < 24) {
         int p, i, y, u;
-        for(p=0; p<3; p++){
-            for(i=y=0; y<256; y++){
+        for (p = 0; p < 3; p++) {
+            for (i = y = 0; y < 256; y++) {
                 int len0 = s->len[0][y];
                 int limit = VLC_BITS - len0;
                 if(limit <= 0)
                     continue;
-                for(u=0; u<256; u++){
+                for (u = 0; u < 256; u++) {
                     int len1 = s->len[p][u];
-                    if(len1 > limit)
+                    if (len1 > limit)
                         continue;
                     len[i] = len0 + len1;
                     bits[i] = (s->bits[0][y] << len1) + s->bits[p][u];
-                    symbols[i] = (y<<8) + u;
+                    symbols[i] = (y << 8) + u;
                     if(symbols[i] != 0xffff) // reserved to mean "invalid"
                         i++;
                 }
             }
-            ff_free_vlc(&s->vlc[3+p]);
-            ff_init_vlc_sparse(&s->vlc[3+p], VLC_BITS, i, len, 1, 1, bits, 2, 2, symbols, 2, 2, 0);
+            ff_free_vlc(&s->vlc[3 + p]);
+            ff_init_vlc_sparse(&s->vlc[3 + p], VLC_BITS, i, len, 1, 1,
+                               bits, 2, 2, symbols, 2, 2, 0);
         }
-    }else{
+    } else {
         uint8_t (*map)[4] = (uint8_t(*)[4])s->pix_bgr_map;
         int i, b, g, r, code;
         int p0 = s->decorrelate;
         int p1 = !s->decorrelate;
-        // restrict the range to +/-16 becaues that's pretty much guaranteed to
+        // restrict the range to +/-16 because that's pretty much guaranteed to
         // cover all the combinations that fit in 11 bits total, and it doesn't
         // matter if we miss a few rare codes.
-        for(i=0, g=-16; g<16; g++){
-            int len0 = s->len[p0][g&255];
+        for (i = 0, g = -16; g < 16; g++) {
+            int len0 = s->len[p0][g & 255];
             int limit0 = VLC_BITS - len0;
-            if(limit0 < 2)
+            if (limit0 < 2)
                 continue;
-            for(b=-16; b<16; b++){
-                int len1 = s->len[p1][b&255];
+            for (b = -16; b < 16; b++) {
+                int len1 = s->len[p1][b & 255];
                 int limit1 = limit0 - len1;
-                if(limit1 < 1)
+                if (limit1 < 1)
                     continue;
-                code = (s->bits[p0][g&255] << len1) + s->bits[p1][b&255];
-                for(r=-16; r<16; r++){
-                    int len2 = s->len[2][r&255];
-                    if(len2 > limit1)
+                code = (s->bits[p0][g & 255] << len1) + s->bits[p1][b & 255];
+                for (r = -16; r < 16; r++) {
+                    int len2 = s->len[2][r & 255];
+                    if (len2 > limit1)
                         continue;
                     len[i] = len0 + len1 + len2;
-                    bits[i] = (code << len2) + s->bits[2][r&255];
-                    if(s->decorrelate){
+                    bits[i] = (code << len2) + s->bits[2][r & 255];
+                    if (s->decorrelate) {
                         map[i][G] = g;
-                        map[i][B] = g+b;
-                        map[i][R] = g+r;
-                    }else{
+                        map[i][B] = g + b;
+                        map[i][R] = g + r;
+                    } else {
                         map[i][B] = g;
                         map[i][G] = b;
                         map[i][R] = r;
@@ -342,52 +354,59 @@ static void generate_joint_tables(HYuvContext *s){
     }
 }
 
-static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length){
+static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length)
+{
     GetBitContext gb;
     int i;
 
-    init_get_bits(&gb, src, length*8);
+    init_get_bits(&gb, src, length * 8);
 
-    for(i=0; i<3; i++){
-        if(read_len_table(s->len[i], &gb)<0)
+    for (i = 0; i < 3; i++) {
+        if (read_len_table(s->len[i], &gb) < 0)
             return -1;
-        if(generate_bits_table(s->bits[i], s->len[i])<0){
+        if (generate_bits_table(s->bits[i], s->len[i]) < 0) {
             return -1;
         }
         ff_free_vlc(&s->vlc[i]);
-        init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
+        init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1,
+                 s->bits[i], 4, 4, 0);
     }
 
     generate_joint_tables(s);
 
-    return (get_bits_count(&gb)+7)/8;
+    return (get_bits_count(&gb) + 7) / 8;
 }
 
-static int read_old_huffman_tables(HYuvContext *s){
+static int read_old_huffman_tables(HYuvContext *s)
+{
 #if 1
     GetBitContext gb;
     int i;
 
-    init_get_bits(&gb, classic_shift_luma, classic_shift_luma_table_size*8);
-    if(read_len_table(s->len[0], &gb)<0)
+    init_get_bits(&gb, classic_shift_luma,
+                  classic_shift_luma_table_size * 8);
+    if (read_len_table(s->len[0], &gb) < 0)
         return -1;
-    init_get_bits(&gb, classic_shift_chroma, classic_shift_chroma_table_size*8);
-    if(read_len_table(s->len[1], &gb)<0)
+
+    init_get_bits(&gb, classic_shift_chroma,
+                  classic_shift_chroma_table_size * 8);
+    if (read_len_table(s->len[1], &gb) < 0)
         return -1;
 
     for(i=0; i<256; i++) s->bits[0][i] = classic_add_luma  [i];
     for(i=0; i<256; i++) s->bits[1][i] = classic_add_chroma[i];
 
-    if(s->bitstream_bpp >= 24){
-        memcpy(s->bits[1], s->bits[0], 256*sizeof(uint32_t));
-        memcpy(s->len[1] , s->len [0], 256*sizeof(uint8_t));
+    if (s->bitstream_bpp >= 24) {
+        memcpy(s->bits[1], s->bits[0], 256 * sizeof(uint32_t));
+        memcpy(s->len[1] , s->len [0], 256 * sizeof(uint8_t));
     }
-    memcpy(s->bits[2], s->bits[1], 256*sizeof(uint32_t));
-    memcpy(s->len[2] , s->len [1], 256*sizeof(uint8_t));
+    memcpy(s->bits[2], s->bits[1], 256 * sizeof(uint32_t));
+    memcpy(s->len[2] , s->len [1], 256 * sizeof(uint8_t));
 
-    for(i=0; i<3; i++){
+    for (i = 0; i < 3; i++) {
         ff_free_vlc(&s->vlc[i]);
-        init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0);
+        init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1,
+                 s->bits[i], 4, 4, 0);
     }
 
     generate_joint_tables(s);
@@ -399,28 +418,30 @@ static int read_old_huffman_tables(HYuvContext *s){
 #endif
 }
 
-static av_cold void alloc_temp(HYuvContext *s){
+static av_cold void alloc_temp(HYuvContext *s)
+{
     int i;
 
-    if(s->bitstream_bpp<24){
-        for(i=0; i<3; i++){
+    if (s->bitstream_bpp<24) {
+        for (i=0; i<3; i++) {
             s->temp[i]= av_malloc(s->width + 16);
         }
-    }else{
+    } else {
         s->temp[0]= av_mallocz(4*s->width + 16);
     }
 }
 
-static av_cold int common_init(AVCodecContext *avctx){
+static av_cold int common_init(AVCodecContext *avctx)
+{
     HYuvContext *s = avctx->priv_data;
 
-    s->avctx= avctx;
-    s->flags= avctx->flags;
+    s->avctx = avctx;
+    s->flags = avctx->flags;
 
     ff_dsputil_init(&s->dsp, avctx);
 
-    s->width= avctx->width;
-    s->height= avctx->height;
+    s->width = avctx->width;
+    s->height = avctx->height;
     assert(s->width>0 && s->height>0);
 
     return 0;
@@ -432,86 +453,87 @@ static av_cold int decode_init(AVCodecContext *avctx)
     HYuvContext *s = avctx->priv_data;
 
     common_init(avctx);
-    memset(s->vlc, 0, 3*sizeof(VLC));
+    memset(s->vlc, 0, 3 * sizeof(VLC));
 
-    avctx->coded_frame= &s->picture;
-    s->interlaced= s->height > 288;
-
-s->bgr32=1;
-//if(avctx->extradata)
-//  printf("extradata:%X, extradata_size:%d\n", *(uint32_t*)avctx->extradata, avctx->extradata_size);
-    if(avctx->extradata_size){
-        if((avctx->bits_per_coded_sample&7) && avctx->bits_per_coded_sample != 12)
-            s->version=1; // do such files exist at all?
+    avctx->coded_frame = &s->picture;
+    s->interlaced = s->height > 288;
+
+    s->bgr32 = 1;
+
+    if (avctx->extradata_size) {
+        if ((avctx->bits_per_coded_sample & 7) &&
+            avctx->bits_per_coded_sample != 12)
+            s->version = 1; // do such files exist at all?
         else
-            s->version=2;
-    }else
-        s->version=0;
+            s->version = 2;
+    } else
+        s->version = 0;
 
-    if(s->version==2){
+    if (s->version == 2) {
         int method, interlace;
 
         if (avctx->extradata_size < 4)
             return -1;
 
-        method= ((uint8_t*)avctx->extradata)[0];
-        s->decorrelate= method&64 ? 1 : 0;
-        s->predictor= method&63;
-        s->bitstream_bpp= ((uint8_t*)avctx->extradata)[1];
-        if(s->bitstream_bpp==0)
-            s->bitstream_bpp= avctx->bits_per_coded_sample&~7;
-        interlace= (((uint8_t*)avctx->extradata)[2] & 0x30) >> 4;
-        s->interlaced= (interlace==1) ? 1 : (interlace==2) ? 0 : s->interlaced;
-        s->context= ((uint8_t*)avctx->extradata)[2] & 0x40 ? 1 : 0;
-
-        if(read_huffman_tables(s, ((uint8_t*)avctx->extradata)+4, avctx->extradata_size-4) < 0)
+        method = ((uint8_t*)avctx->extradata)[0];
+        s->decorrelate = method & 64 ? 1 : 0;
+        s->predictor = method & 63;
+        s->bitstream_bpp = ((uint8_t*)avctx->extradata)[1];
+        if (s->bitstream_bpp == 0)
+            s->bitstream_bpp = avctx->bits_per_coded_sample & ~7;
+        interlace = (((uint8_t*)avctx->extradata)[2] & 0x30) >> 4;
+        s->interlaced = (interlace == 1) ? 1 : (interlace == 2) ? 0 : s->interlaced;
+        s->context = ((uint8_t*)avctx->extradata)[2] & 0x40 ? 1 : 0;
+
+        if ( read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4,
+                                 avctx->extradata_size - 4) < 0)
             return -1;
     }else{
-        switch(avctx->bits_per_coded_sample&7){
+        switch (avctx->bits_per_coded_sample & 7) {
         case 1:
-            s->predictor= LEFT;
-            s->decorrelate= 0;
+            s->predictor = LEFT;
+            s->decorrelate = 0;
             break;
         case 2:
-            s->predictor= LEFT;
-            s->decorrelate= 1;
+            s->predictor = LEFT;
+            s->decorrelate = 1;
             break;
         case 3:
-            s->predictor= PLANE;
-            s->decorrelate= avctx->bits_per_coded_sample >= 24;
+            s->predictor = PLANE;
+            s->decorrelate = avctx->bits_per_coded_sample >= 24;
             break;
         case 4:
-            s->predictor= MEDIAN;
-            s->decorrelate= 0;
+            s->predictor = MEDIAN;
+            s->decorrelate = 0;
             break;
         default:
-            s->predictor= LEFT; //OLD
-            s->decorrelate= 0;
+            s->predictor = LEFT; //OLD
+            s->decorrelate = 0;
             break;
         }
-        s->bitstream_bpp= avctx->bits_per_coded_sample & ~7;
-        s->context= 0;
+        s->bitstream_bpp = avctx->bits_per_coded_sample & ~7;
+        s->context = 0;
 
-        if(read_old_huffman_tables(s) < 0)
+        if (read_old_huffman_tables(s) < 0)
             return -1;
     }
 
-    switch(s->bitstream_bpp){
+    switch (s->bitstream_bpp) {
     case 12:
         avctx->pix_fmt = PIX_FMT_YUV420P;
         break;
     case 16:
-        if(s->yuy2){
+        if (s->yuy2) {
             avctx->pix_fmt = PIX_FMT_YUYV422;
-        }else{
+        } else {
             avctx->pix_fmt = PIX_FMT_YUV422P;
         }
         break;
     case 24:
     case 32:
-        if(s->bgr32){
+        if (s->bgr32) {
             avctx->pix_fmt = PIX_FMT_RGB32;
-        }else{
+        } else {
             avctx->pix_fmt = PIX_FMT_BGR24;
         }
         break;
@@ -521,8 +543,6 @@ s->bgr32=1;
 
     alloc_temp(s);
 
-//    av_log(NULL, AV_LOG_DEBUG, "pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_coded_sample, s->interlaced);
-
     return 0;
 }
 
@@ -537,11 +557,12 @@ static av_cold int decode_init_thread_copy(AVCodecContext *avctx)
     for (i = 0; i < 6; i++)
         s->vlc[i].table = NULL;
 
-    if(s->version==2){
-        if(read_huffman_tables(s, ((uint8_t*)avctx->extradata)+4, avctx->extradata_size) < 0)
+    if (s->version == 2) {
+        if (read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4,
+                                avctx->extradata_size) < 0)
             return -1;
-    }else{
-        if(read_old_huffman_tables(s) < 0)
+    } else {
+        if (read_old_huffman_tables(s) < 0)
             return -1;
     }
 
@@ -550,23 +571,24 @@ static av_cold int decode_init_thread_copy(AVCodecContext *avctx)
 #endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */
 
 #if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
-static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf){
+static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf)
+{
     int i;
-    int index= 0;
+    int index = 0;
 
-    for(i=0; i<256;){
-        int val= len[i];
-        int repeat=0;
+    for (i = 0; i < 256;) {
+        int val = len[i];
+        int repeat = 0;
 
-        for(; i<256 && len[i]==val && repeat<255; i++)
+        for (; i < 256 && len[i] == val && repeat < 255; i++)
             repeat++;
 
         assert(val < 32 && val >0 && repeat<256 && repeat>0);
-        if(repeat>7){
-            buf[index++]= val;
-            buf[index++]= repeat;
-        }else{
-            buf[index++]= val | (repeat<<5);
+        if ( repeat > 7) {
+            buf[index++] = val;
+            buf[index++] = repeat;
+        } else {
+            buf[index++] = val | (repeat << 5);
         }
     }
 
@@ -580,119 +602,125 @@ static av_cold int encode_init(AVCodecContext *avctx)
 
     common_init(avctx);
 
-    avctx->extradata= av_mallocz(1024*30); // 256*3+4 == 772
-    avctx->stats_out= av_mallocz(1024*30); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
-    s->version=2;
+    avctx->extradata = av_mallocz(1024*30); // 256*3+4 == 772
+    avctx->stats_out = av_mallocz(1024*30); // 21*256*3(%llu ) + 3(\n) + 1(0) = 16132
+    s->version = 2;
 
-    avctx->coded_frame= &s->picture;
+    avctx->coded_frame = &s->picture;
 
-    switch(avctx->pix_fmt){
+    switch (avctx->pix_fmt) {
     case PIX_FMT_YUV420P:
-        s->bitstream_bpp= 12;
+        s->bitstream_bpp = 12;
         break;
     case PIX_FMT_YUV422P:
-        s->bitstream_bpp= 16;
+        s->bitstream_bpp = 16;
         break;
     case PIX_FMT_RGB32:
-        s->bitstream_bpp= 24;
+        s->bitstream_bpp = 24;
         break;
     default:
         av_log(avctx, AV_LOG_ERROR, "format not supported\n");
         return -1;
     }
-    avctx->bits_per_coded_sample= s->bitstream_bpp;
-    s->decorrelate= s->bitstream_bpp >= 24;
-    s->predictor= avctx->prediction_method;
-    s->interlaced= avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
-    if(avctx->context_model==1){
-        s->context= avctx->context_model;
-        if(s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)){
-            av_log(avctx, AV_LOG_ERROR, "context=1 is not compatible with 2 pass huffyuv encoding\n");
+    avctx->bits_per_coded_sample = s->bitstream_bpp;
+    s->decorrelate = s->bitstream_bpp >= 24;
+    s->predictor = avctx->prediction_method;
+    s->interlaced = avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0;
+    if (avctx->context_model == 1) {
+        s->context = avctx->context_model;
+        if (s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "context=1 is not compatible with "
+                   "2 pass huffyuv encoding\n");
             return -1;
         }
     }else s->context= 0;
 
-    if(avctx->codec->id==AV_CODEC_ID_HUFFYUV){
-        if(avctx->pix_fmt==PIX_FMT_YUV420P){
-            av_log(avctx, AV_LOG_ERROR, "Error: YV12 is not supported by huffyuv; use vcodec=ffvhuff or format=422p\n");
+    if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) {
+        if (avctx->pix_fmt == PIX_FMT_YUV420P) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Error: YV12 is not supported by huffyuv; use "
+                   "vcodec=ffvhuff or format=422p\n");
             return -1;
         }
-        if(avctx->context_model){
-            av_log(avctx, AV_LOG_ERROR, "Error: per-frame huffman tables are not supported by huffyuv; use vcodec=ffvhuff\n");
+        if (avctx->context_model) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Error: per-frame huffman tables are not supported "
+                   "by huffyuv; use vcodec=ffvhuff\n");
             return -1;
         }
-        if(s->interlaced != ( s->height > 288 ))
-            av_log(avctx, AV_LOG_INFO, "using huffyuv 2.2.0 or newer interlacing flag\n");
+        if (s->interlaced != ( s->height > 288 ))
+            av_log(avctx, AV_LOG_INFO,
+                   "using huffyuv 2.2.0 or newer interlacing flag\n");
     }
 
-    if(s->bitstream_bpp>=24 && s->predictor==MEDIAN){
-        av_log(avctx, AV_LOG_ERROR, "Error: RGB is incompatible with median predictor\n");
+    if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN) {
+        av_log(avctx, AV_LOG_ERROR,
+               "Error: RGB is incompatible with median predictor\n");
         return -1;
     }
 
-    ((uint8_t*)avctx->extradata)[0]= s->predictor | (s->decorrelate << 6);
-    ((uint8_t*)avctx->extradata)[1]= s->bitstream_bpp;
-    ((uint8_t*)avctx->extradata)[2]= s->interlaced ? 0x10 : 0x20;
-    if(s->context)
-        ((uint8_t*)avctx->extradata)[2]|= 0x40;
-    ((uint8_t*)avctx->extradata)[3]= 0;
-    s->avctx->extradata_size= 4;
+    ((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
+    ((uint8_t*)avctx->extradata)[1] = s->bitstream_bpp;
+    ((uint8_t*)avctx->extradata)[2] = s->interlaced ? 0x10 : 0x20;
+    if (s->context)
+        ((uint8_t*)avctx->extradata)[2] |= 0x40;
+    ((uint8_t*)avctx->extradata)[3] = 0;
+    s->avctx->extradata_size = 4;
 
-    if(avctx->stats_in){
-        char *p= avctx->stats_in;
+    if (avctx->stats_in) {
+        char *p = avctx->stats_in;
 
-        for(i=0; i<3; i++)
-            for(j=0; j<256; j++)
-                s->stats[i][j]= 1;
+        for (i = 0; i < 3; i++)
+            for (j = 0; j < 256; j++)
+                s->stats[i][j] = 1;
 
-        for(;;){
-            for(i=0; i<3; i++){
+        for (;;) {
+            for (i = 0; i < 3; i++) {
                 char *next;
 
-                for(j=0; j<256; j++){
-                    s->stats[i][j]+= strtol(p, &next, 0);
-                    if(next==p) return -1;
-                    p=next;
+                for (j = 0; j < 256; j++) {
+                    s->stats[i][j] += strtol(p, &next, 0);
+                    if (next == p) return -1;
+                    p = next;
                 }
             }
-            if(p[0]==0 || p[1]==0 || p[2]==0) break;
+            if (p[0] == 0 || p[1] == 0 || p[2] == 0) break;
         }
-    }else{
-        for(i=0; i<3; i++)
-            for(j=0; j<256; j++){
-                int d= FFMIN(j, 256-j);
+    } else {
+        for (i = 0; i < 3; i++)
+            for (j = 0; j < 256; j++) {
+                int d = FFMIN(j, 256 - j);
 
-                s->stats[i][j]= 100000000/(d+1);
+                s->stats[i][j] = 100000000 / (d + 1);
             }
     }
 
-    for(i=0; i<3; i++){
+    for (i = 0; i < 3; i++) {
         generate_len_table(s->len[i], s->stats[i]);
 
-        if(generate_bits_table(s->bits[i], s->len[i])<0){
+        if (generate_bits_table(s->bits[i], s->len[i]) < 0) {
             return -1;
         }
 
-        s->avctx->extradata_size+=
-        store_table(s, s->len[i], &((uint8_t*)s->avctx->extradata)[s->avctx->extradata_size]);
+        s->avctx->extradata_size +=
+            store_table(s, s->len[i], &((uint8_t*)s->avctx->extradata)[s->avctx->extradata_size]);
     }
 
-    if(s->context){
-        for(i=0; i<3; i++){
-            int pels = s->width*s->height / (i?40:10);
-            for(j=0; j<256; j++){
-                int d= FFMIN(j, 256-j);
-                s->stats[i][j]= pels/(d+1);
+    if (s->context) {
+        for (i = 0; i < 3; i++) {
+            int pels = s->width * s->height / (i ? 40 : 10);
+            for (j = 0; j < 256; j++) {
+                int d = FFMIN(j, 256 - j);
+                s->stats[i][j] = pels/(d + 1);
             }
         }
-    }else{
-        for(i=0; i<3; i++)
-            for(j=0; j<256; j++)
+    } else {
+        for (i = 0; i < 3; i++)
+            for (j = 0; j < 256; j++)
                 s->stats[i][j]= 0;
     }
 
-//    printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_coded_sample, s->interlaced);
-
     alloc_temp(s);
 
     s->picture_number=0;
@@ -714,61 +742,65 @@ static av_cold int encode_init(AVCodecContext *avctx)
     }\
 }
 
-static void decode_422_bitstream(HYuvContext *s, int count){
+static void decode_422_bitstream(HYuvContext *s, int count)
+{
     int i;
 
-    count/=2;
+    count /= 2;
 
-    if(count >= (get_bits_left(&s->gb))/(31*4)){
+    if (count >= (get_bits_left(&s->gb)) / (31 * 4)) {
         for (i = 0; i < count && get_bits_left(&s->gb) > 0; i++) {
-            READ_2PIX(s->temp[0][2*i  ], s->temp[1][i], 1);
-            READ_2PIX(s->temp[0][2*i+1], s->temp[2][i], 2);
+            READ_2PIX(s->temp[0][2 * i    ], s->temp[1][i], 1);
+            READ_2PIX(s->temp[0][2 * i + 1], s->temp[2][i], 2);
         }
-    }else{
-        for(i=0; i<count; i++){
-            READ_2PIX(s->temp[0][2*i  ], s->temp[1][i], 1);
-            READ_2PIX(s->temp[0][2*i+1], s->temp[2][i], 2);
+    } else {
+        for (i = 0; i < count; i++) {
+            READ_2PIX(s->temp[0][2 * i    ], s->temp[1][i], 1);
+            READ_2PIX(s->temp[0][2 * i + 1], s->temp[2][i], 2);
         }
     }
 }
 
-static void decode_gray_bitstream(HYuvContext *s, int count){
+static void decode_gray_bitstream(HYuvContext *s, int count)
+{
     int i;
 
     count/=2;
 
-    if(count >= (get_bits_left(&s->gb))/(31*2)){
+    if (count >= (get_bits_left(&s->gb)) / (31 * 2)) {
         for (i = 0; i < count && get_bits_left(&s->gb) > 0; i++) {
-            READ_2PIX(s->temp[0][2*i  ], s->temp[0][2*i+1], 0);
+            READ_2PIX(s->temp[0][2 * i], s->temp[0][2 * i + 1], 0);
         }
-    }else{
+    } else {
         for(i=0; i<count; i++){
-            READ_2PIX(s->temp[0][2*i  ], s->temp[0][2*i+1], 0);
+            READ_2PIX(s->temp[0][2 * i], s->temp[0][2 * i + 1], 0);
         }
     }
 }
 
 #if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER
-static int encode_422_bitstream(HYuvContext *s, int offset, int count){
+static int encode_422_bitstream(HYuvContext *s, int offset, int count)
+{
     int i;
     const uint8_t *y = s->temp[0] + offset;
-    const uint8_t *u = s->temp[1] + offset/2;
-    const uint8_t *v = s->temp[2] + offset/2;
+    const uint8_t *u = s->temp[1] + offset / 2;
+    const uint8_t *v = s->temp[2] + offset / 2;
 
-    if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 2*4*count){
+    if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) {
         av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
         return -1;
     }
 
 #define LOAD4\
-            int y0 = y[2*i];\
-            int y1 = y[2*i+1];\
+            int y0 = y[2 * i];\
+            int y1 = y[2 * i + 1];\
             int u0 = u[i];\
             int v0 = v[i];
 
-    count/=2;
-    if(s->flags&CODEC_FLAG_PASS1){
-        for(i=0; i<count; i++){
+    count /= 2;
+
+    if (s->flags & CODEC_FLAG_PASS1) {
+        for(i = 0; i < count; i++) {
             LOAD4;
             s->stats[0][y0]++;
             s->stats[1][u0]++;
@@ -776,10 +808,10 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count){
             s->stats[2][v0]++;
         }
     }
-    if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)
+    if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
         return 0;
-    if(s->context){
-        for(i=0; i<count; i++){
+    if (s->context) {
+        for (i = 0; i < count; i++) {
             LOAD4;
             s->stats[0][y0]++;
             put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
@@ -790,8 +822,8 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count){
             s->stats[2][v0]++;
             put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]);
         }
-    }else{
-        for(i=0; i<count; i++){
+    } else {
+        for(i = 0; i < count; i++) {
             LOAD4;
             put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);
             put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]);
@@ -802,17 +834,18 @@ static int encode_422_bitstream(HYuvContext *s, int offset, int count){
     return 0;
 }
 
-static int encode_gray_bitstream(HYuvContext *s, int count){
+static int encode_gray_bitstream(HYuvContext *s, int count)
+{
     int i;
 
-    if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 4*count){
+    if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) {
         av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
         return -1;
     }
 
 #define LOAD2\
-            int y0 = s->temp[0][2*i];\
-            int y1 = s->temp[0][2*i+1];
+            int y0 = s->temp[0][2 * i];\
+            int y1 = s->temp[0][2 * i + 1];
 #define STAT2\
             s->stats[0][y0]++;\
             s->stats[0][y1]++;
@@ -820,24 +853,25 @@ static int encode_gray_bitstream(HYuvContext *s, int count){
             put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\
             put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]);
 
-    count/=2;
-    if(s->flags&CODEC_FLAG_PASS1){
-        for(i=0; i<count; i++){
+    count /= 2;
+
+    if (s->flags & CODEC_FLAG_PASS1) {
+        for (i = 0; i < count; i++) {
             LOAD2;
             STAT2;
         }
     }
-    if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)
+    if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)
         return 0;
 
-    if(s->context){
-        for(i=0; i<count; i++){
+    if (s->context) {
+        for (i = 0; i < count; i++) {
             LOAD2;
             STAT2;
             WRITE2;
         }
-    }else{
-        for(i=0; i<count; i++){
+    } else {
+        for (i = 0; i < count; i++) {
             LOAD2;
             WRITE2;
         }
@@ -846,52 +880,58 @@ static int encode_gray_bitstream(HYuvContext *s, int count){
 }
 #endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */
 
-static av_always_inline void decode_bgr_1(HYuvContext *s, int count, int decorrelate, int alpha){
+static av_always_inline void decode_bgr_1(HYuvContext *s, int count,
+                                          int decorrelate, int alpha)
+{
     int i;
-    for(i=0; i<count; i++){
+    for (i = 0; i < count; i++) {
         int code = get_vlc2(&s->gb, s->vlc[3].table, VLC_BITS, 1);
-        if(code != -1){
-            *(uint32_t*)&s->temp[0][4*i] = s->pix_bgr_map[code];
-        }else if(decorrelate){
-            s->temp[0][4*i+G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3);
-            s->temp[0][4*i+B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3) + s->temp[0][4*i+G];
-            s->temp[0][4*i+R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3) + s->temp[0][4*i+G];
-        }else{
-            s->temp[0][4*i+B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3);
-            s->temp[0][4*i+G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3);
-            s->temp[0][4*i+R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3);
+        if (code != -1) {
+            *(uint32_t*)&s->temp[0][4 * i] = s->pix_bgr_map[code];
+        } else if(decorrelate) {
+            s->temp[0][4 * i + G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3);
+            s->temp[0][4 * i + B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3) +
+                                    s->temp[0][4 * i + G];
+            s->temp[0][4 * i + R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3) +
+                                    s->temp[0][4 * i + G];
+        } else {
+            s->temp[0][4 * i + B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3);
+            s->temp[0][4 * i + G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3);
+            s->temp[0][4 * i + R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3);
         }
-        if(alpha)
-            s->temp[0][4*i+A] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3);
+        if (alpha)
+            s->temp[0][4 * i + A] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3);
     }
 }
 
-static void decode_bgr_bitstream(HYuvContext *s, int count){
-    if(s->decorrelate){
-        if(s->bitstream_bpp==24)
+static void decode_bgr_bitstream(HYuvContext *s, int count)
+{
+    if (s->decorrelate) {
+        if (s->bitstream_bpp==24)
             decode_bgr_1(s, count, 1, 0);
         else
             decode_bgr_1(s, count, 1, 1);
-    }else{
-        if(s->bitstream_bpp==24)
+    } else {
+        if (s->bitstream_bpp==24)
             decode_bgr_1(s, count, 0, 0);
         else
             decode_bgr_1(s, count, 0, 1);
     }
 }
 
-static int encode_bgr_bitstream(HYuvContext *s, int count){
+static int encode_bgr_bitstream(HYuvContext *s, int count)
+{
     int i;
 
-    if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < 3*4*count){
+    if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 3 * 4 * count) {
         av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
         return -1;
     }
 
 #define LOAD3\
-            int g= s->temp[0][4*i+G];\
-            int b= (s->temp[0][4*i+B] - g) & 0xff;\
-            int r= (s->temp[0][4*i+R] - g) & 0xff;
+            int g =  s->temp[0][4 * i + G];\
+            int b = (s->temp[0][4 * i + B] - g) & 0xff;\
+            int r = (s->temp[0][4 * i + R] - g) & 0xff;
 #define STAT3\
             s->stats[0][b]++;\
             s->stats[1][g]++;\
@@ -901,19 +941,20 @@ static int encode_bgr_bitstream(HYuvContext *s, int count){
             put_bits(&s->pb, s->len[0][b], s->bits[0][b]);\
             put_bits(&s->pb, s->len[2][r], s->bits[2][r]);
 
-    if((s->flags&CODEC_FLAG_PASS1) && (s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)){
-        for(i=0; i<count; i++){
+    if ((s->flags & CODEC_FLAG_PASS1) &&
+        (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
+        for (i = 0; i < count; i++) {
             LOAD3;
             STAT3;
         }
-    }else if(s->context || (s->flags&CODEC_FLAG_PASS1)){
-        for(i=0; i<count; i++){
+    } else if (s->context || (s->flags & CODEC_FLAG_PASS1)) {
+        for (i = 0; i < count; i++) {
             LOAD3;
             STAT3;
             WRITE3;
         }
-    }else{
-        for(i=0; i<count; i++){
+    } else {
+        for (i = 0; i < count; i++) {
             LOAD3;
             WRITE3;
         }
@@ -922,20 +963,21 @@ static int encode_bgr_bitstream(HYuvContext *s, int count){
 }
 
 #if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER
-static void draw_slice(HYuvContext *s, int y){
+static void draw_slice(HYuvContext *s, int y)
+{
     int h, cy, i;
     int offset[AV_NUM_DATA_POINTERS];
 
-    if(s->avctx->draw_horiz_band==NULL)
+    if (s->avctx->draw_horiz_band==NULL)
         return;
 
-    h= y - s->last_slice_end;
+    h = y - s->last_slice_end;
     y -= h;
 
-    if(s->bitstream_bpp==12){
-        cy= y>>1;
-    }else{
-        cy= y;
+    if (s->bitstream_bpp == 12) {
+        cy = y>>1;
+    } else {
+        cy = y;
     }
 
     offset[0] = s->picture.linesize[0]*y;
@@ -947,118 +989,125 @@ static void draw_slice(HYuvContext *s, int y){
 
     s->avctx->draw_horiz_band(s->avctx, &s->picture, offset, y, 3, h);
 
-    s->last_slice_end= y + h;
+    s->last_slice_end = y + h;
 }
 
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt){
+static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
+                        AVPacket *avpkt)
+{
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     HYuvContext *s = avctx->priv_data;
-    const int width= s->width;
-    const int width2= s->width>>1;
-    const int height= s->height;
+    const int width = s->width;
+    const int width2 = s->width>>1;
+    const int height = s->height;
     int fake_ystride, fake_ustride, fake_vstride;
-    AVFrame * const p= &s->picture;
-    int table_size= 0;
+    AVFrame * const p = &s->picture;
+    int table_size = 0;
 
     AVFrame *picture = data;
 
-    av_fast_malloc(&s->bitstream_buffer, &s->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    av_fast_malloc(&s->bitstream_buffer,
+                   &s->bitstream_buffer_size,
+                   buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
     if (!s->bitstream_buffer)
         return AVERROR(ENOMEM);
 
     memset(s->bitstream_buffer + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
-    s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer, (const uint32_t*)buf, buf_size/4);
+    s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer,
+                     (const uint32_t*)buf, buf_size / 4);
 
-    if(p->data[0])
+    if (p->data[0])
         ff_thread_release_buffer(avctx, p);
 
-    p->reference= 0;
-    if(ff_thread_get_buffer(avctx, p) < 0){
+    p->reference = 0;
+    if (ff_thread_get_buffer(avctx, p) < 0) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return -1;
     }
 
-    if(s->context){
+    if (s->context) {
         table_size = read_huffman_tables(s, s->bitstream_buffer, buf_size);
-        if(table_size < 0)
+        if (table_size < 0)
             return -1;
     }
 
-    if((unsigned)(buf_size-table_size) >= INT_MAX/8)
+    if ((unsigned)(buf_size-table_size) >= INT_MAX / 8)
         return -1;
 
-    init_get_bits(&s->gb, s->bitstream_buffer+table_size, (buf_size-table_size)*8);
+    init_get_bits(&s->gb, s->bitstream_buffer+table_size,
+                  (buf_size-table_size) * 8);
 
-    fake_ystride= s->interlaced ? p->linesize[0]*2  : p->linesize[0];
-    fake_ustride= s->interlaced ? p->linesize[1]*2  : p->linesize[1];
-    fake_vstride= s->interlaced ? p->linesize[2]*2  : p->linesize[2];
+    fake_ystride = s->interlaced ? p->linesize[0] * 2  : p->linesize[0];
+    fake_ustride = s->interlaced ? p->linesize[1] * 2  : p->linesize[1];
+    fake_vstride = s->interlaced ? p->linesize[2] * 2  : p->linesize[2];
 
-    s->last_slice_end= 0;
+    s->last_slice_end = 0;
 
-    if(s->bitstream_bpp<24){
+    if (s->bitstream_bpp < 24) {
         int y, cy;
         int lefty, leftu, leftv;
         int lefttopy, lefttopu, lefttopv;
 
-        if(s->yuy2){
-            p->data[0][3]= get_bits(&s->gb, 8);
-            p->data[0][2]= get_bits(&s->gb, 8);
-            p->data[0][1]= get_bits(&s->gb, 8);
-            p->data[0][0]= get_bits(&s->gb, 8);
+        if (s->yuy2) {
+            p->data[0][3] = get_bits(&s->gb, 8);
+            p->data[0][2] = get_bits(&s->gb, 8);
+            p->data[0][1] = get_bits(&s->gb, 8);
+            p->data[0][0] = get_bits(&s->gb, 8);
 
-            av_log(avctx, AV_LOG_ERROR, "YUY2 output is not implemented yet\n");
+            av_log(avctx, AV_LOG_ERROR,
+                   "YUY2 output is not implemented yet\n");
             return -1;
-        }else{
+        } else {
 
-            leftv= p->data[2][0]= get_bits(&s->gb, 8);
-            lefty= p->data[0][1]= get_bits(&s->gb, 8);
-            leftu= p->data[1][0]= get_bits(&s->gb, 8);
-                   p->data[0][0]= get_bits(&s->gb, 8);
+            leftv = p->data[2][0] = get_bits(&s->gb, 8);
+            lefty = p->data[0][1] = get_bits(&s->gb, 8);
+            leftu = p->data[1][0] = get_bits(&s->gb, 8);
+                    p->data[0][0] = get_bits(&s->gb, 8);
 
-            switch(s->predictor){
+            switch (s->predictor) {
             case LEFT:
             case PLANE:
                 decode_422_bitstream(s, width-2);
-                lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
-                if(!(s->flags&CODEC_FLAG_GRAY)){
-                    leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu);
-                    leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2-1, leftv);
+                lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
+                if (!(s->flags&CODEC_FLAG_GRAY)) {
+                    leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
+                    leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
                 }
 
-                for(cy=y=1; y<s->height; y++,cy++){
+                for (cy = y = 1; y < s->height; y++, cy++) {
                     uint8_t *ydst, *udst, *vdst;
 
-                    if(s->bitstream_bpp==12){
+                    if (s->bitstream_bpp == 12) {
                         decode_gray_bitstream(s, width);
 
-                        ydst= p->data[0] + p->linesize[0]*y;
+                        ydst = p->data[0] + p->linesize[0] * y;
 
-                        lefty= s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
-                        if(s->predictor == PLANE){
-                            if(y>s->interlaced)
+                        lefty = s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
+                        if (s->predictor == PLANE) {
+                            if (y > s->interlaced)
                                 s->dsp.add_bytes(ydst, ydst - fake_ystride, width);
                         }
                         y++;
-                        if(y>=s->height) break;
+                        if (y >= s->height) break;
                     }
 
                     draw_slice(s, y);
 
-                    ydst= p->data[0] + p->linesize[0]*y;
-                    udst= p->data[1] + p->linesize[1]*cy;
-                    vdst= p->data[2] + p->linesize[2]*cy;
+                    ydst = p->data[0] + p->linesize[0]*y;
+                    udst = p->data[1] + p->linesize[1]*cy;
+                    vdst = p->data[2] + p->linesize[2]*cy;
 
                     decode_422_bitstream(s, width);
-                    lefty= s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
-                    if(!(s->flags&CODEC_FLAG_GRAY)){
+                    lefty = s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
+                    if (!(s->flags & CODEC_FLAG_GRAY)) {
                         leftu= s->dsp.add_hfyu_left_prediction(udst, s->temp[1], width2, leftu);
                         leftv= s->dsp.add_hfyu_left_prediction(vdst, s->temp[2], width2, leftv);
                     }
-                    if(s->predictor == PLANE){
-                        if(cy>s->interlaced){
+                    if (s->predictor == PLANE) {
+                        if (cy > s->interlaced) {
                             s->dsp.add_bytes(ydst, ydst - fake_ystride, width);
-                            if(!(s->flags&CODEC_FLAG_GRAY)){
+                            if (!(s->flags & CODEC_FLAG_GRAY)) {
                                 s->dsp.add_bytes(udst, udst - fake_ustride, width2);
                                 s->dsp.add_bytes(vdst, vdst - fake_vstride, width2);
                             }
@@ -1070,68 +1119,68 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
                 break;
             case MEDIAN:
                 /* first line except first 2 pixels is left predicted */
-                decode_422_bitstream(s, width-2);
-                lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
-                if(!(s->flags&CODEC_FLAG_GRAY)){
-                    leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu);
-                    leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2-1, leftv);
+                decode_422_bitstream(s, width - 2);
+                lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width - 2, lefty);
+                if (!(s->flags & CODEC_FLAG_GRAY)) {
+                    leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
+                    leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
                 }
 
-                cy=y=1;
+                cy = y = 1;
 
                 /* second line is left predicted for interlaced case */
-                if(s->interlaced){
+                if (s->interlaced) {
                     decode_422_bitstream(s, width);
-                    lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty);
-                    if(!(s->flags&CODEC_FLAG_GRAY)){
-                        leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
-                        leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
+                    lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty);
+                    if (!(s->flags & CODEC_FLAG_GRAY)) {
+                        leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
+                        leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
                     }
                     y++; cy++;
                 }
 
                 /* next 4 pixels are left predicted too */
                 decode_422_bitstream(s, 4);
-                lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty);
-                if(!(s->flags&CODEC_FLAG_GRAY)){
-                    leftu= s->dsp.add_hfyu_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
-                    leftv= s->dsp.add_hfyu_left_prediction(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
+                lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty);
+                if (!(s->flags&CODEC_FLAG_GRAY)) {
+                    leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
+                    leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
                 }
 
                 /* next line except the first 4 pixels is median predicted */
-                lefttopy= p->data[0][3];
-                decode_422_bitstream(s, width-4);
+                lefttopy = p->data[0][3];
+                decode_422_bitstream(s, width - 4);
                 s->dsp.add_hfyu_median_prediction(p->data[0] + fake_ystride+4, p->data[0]+4, s->temp[0], width-4, &lefty, &lefttopy);
-                if(!(s->flags&CODEC_FLAG_GRAY)){
-                    lefttopu= p->data[1][1];
-                    lefttopv= p->data[2][1];
-                    s->dsp.add_hfyu_median_prediction(p->data[1] + fake_ustride+2, p->data[1]+2, s->temp[1], width2-2, &leftu, &lefttopu);
-                    s->dsp.add_hfyu_median_prediction(p->data[2] + fake_vstride+2, p->data[2]+2, s->temp[2], width2-2, &leftv, &lefttopv);
+                if (!(s->flags&CODEC_FLAG_GRAY)) {
+                    lefttopu = p->data[1][1];
+                    lefttopv = p->data[2][1];
+                    s->dsp.add_hfyu_median_prediction(p->data[1] + fake_ustride+2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu);
+                    s->dsp.add_hfyu_median_prediction(p->data[2] + fake_vstride+2, p->data[2] + 2, s->temp[2], width2 - 2, &leftv, &lefttopv);
                 }
                 y++; cy++;
 
-                for(; y<height; y++,cy++){
+                for (; y<height; y++, cy++) {
                     uint8_t *ydst, *udst, *vdst;
 
-                    if(s->bitstream_bpp==12){
-                        while(2*cy > y){
+                    if (s->bitstream_bpp == 12) {
+                        while (2 * cy > y) {
                             decode_gray_bitstream(s, width);
-                            ydst= p->data[0] + p->linesize[0]*y;
+                            ydst = p->data[0] + p->linesize[0] * y;
                             s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
                             y++;
                         }
-                        if(y>=height) break;
+                        if (y >= height) break;
                     }
                     draw_slice(s, y);
 
                     decode_422_bitstream(s, width);
 
-                    ydst= p->data[0] + p->linesize[0]*y;
-                    udst= p->data[1] + p->linesize[1]*cy;
-                    vdst= p->data[2] + p->linesize[2]*cy;
+                    ydst = p->data[0] + p->linesize[0] * y;
+                    udst = p->data[1] + p->linesize[1] * cy;
+                    vdst = p->data[2] + p->linesize[2] * cy;
 
                     s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
-                    if(!(s->flags&CODEC_FLAG_GRAY)){
+                    if (!(s->flags & CODEC_FLAG_GRAY)) {
                         s->dsp.add_hfyu_median_prediction(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
                         s->dsp.add_hfyu_median_prediction(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
                     }
@@ -1141,67 +1190,72 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
                 break;
             }
         }
-    }else{
+    } else {
         int y;
         int leftr, leftg, leftb, lefta;
-        const int last_line= (height-1)*p->linesize[0];
-
-        if(s->bitstream_bpp==32){
-            lefta= p->data[0][last_line+A]= get_bits(&s->gb, 8);
-            leftr= p->data[0][last_line+R]= get_bits(&s->gb, 8);
-            leftg= p->data[0][last_line+G]= get_bits(&s->gb, 8);
-            leftb= p->data[0][last_line+B]= get_bits(&s->gb, 8);
-        }else{
-            leftr= p->data[0][last_line+R]= get_bits(&s->gb, 8);
-            leftg= p->data[0][last_line+G]= get_bits(&s->gb, 8);
-            leftb= p->data[0][last_line+B]= get_bits(&s->gb, 8);
-            lefta= p->data[0][last_line+A]= 255;
+        const int last_line = (height - 1) * p->linesize[0];
+
+        if (s->bitstream_bpp == 32) {
+            lefta = p->data[0][last_line+A] = get_bits(&s->gb, 8);
+            leftr = p->data[0][last_line+R] = get_bits(&s->gb, 8);
+            leftg = p->data[0][last_line+G] = get_bits(&s->gb, 8);
+            leftb = p->data[0][last_line+B] = get_bits(&s->gb, 8);
+        } else {
+            leftr = p->data[0][last_line+R] = get_bits(&s->gb, 8);
+            leftg = p->data[0][last_line+G] = get_bits(&s->gb, 8);
+            leftb = p->data[0][last_line+B] = get_bits(&s->gb, 8);
+            lefta = p->data[0][last_line+A] = 255;
             skip_bits(&s->gb, 8);
         }
 
-        if(s->bgr32){
-            switch(s->predictor){
+        if (s->bgr32) {
+            switch (s->predictor) {
             case LEFT:
             case PLANE:
-                decode_bgr_bitstream(s, width-1);
-                s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width-1, &leftr, &leftg, &leftb, &lefta);
+                decode_bgr_bitstream(s, width - 1);
+                s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width - 1, &leftr, &leftg, &leftb, &lefta);
 
-                for(y=s->height-2; y>=0; y--){ //Yes it is stored upside down.
+                for (y = s->height - 2; y >= 0; y--) { //Yes it is stored upside down.
                     decode_bgr_bitstream(s, width);
 
                     s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + p->linesize[0]*y, s->temp[0], width, &leftr, &leftg, &leftb, &lefta);
-                    if(s->predictor == PLANE){
-                        if(s->bitstream_bpp!=32) lefta=0;
-                        if((y&s->interlaced)==0 && y<s->height-1-s->interlaced){
-                            s->dsp.add_bytes(p->data[0] + p->linesize[0]*y,
-                                             p->data[0] + p->linesize[0]*y + fake_ystride, fake_ystride);
+                    if (s->predictor == PLANE) {
+                        if (s->bitstream_bpp != 32) lefta = 0;
+                        if ((y & s->interlaced) == 0 &&
+                            y < s->height - 1 - s->interlaced) {
+                            s->dsp.add_bytes(p->data[0] + p->linesize[0] * y,
+                                             p->data[0] + p->linesize[0] * y +
+                                             fake_ystride, fake_ystride);
                         }
                     }
                 }
-                draw_slice(s, height); // just 1 large slice as this is not possible in reverse order
+                // just 1 large slice as this is not possible in reverse order
+                draw_slice(s, height);
                 break;
             default:
-                av_log(avctx, AV_LOG_ERROR, "prediction type not supported!\n");
+                av_log(avctx, AV_LOG_ERROR,
+                       "prediction type not supported!\n");
             }
         }else{
-
-            av_log(avctx, AV_LOG_ERROR, "BGR24 output is not implemented yet\n");
+            av_log(avctx, AV_LOG_ERROR,
+                   "BGR24 output is not implemented yet\n");
             return -1;
         }
     }
     emms_c();
 
-    *picture= *p;
+    *picture = *p;
     *data_size = sizeof(AVFrame);
 
-    return (get_bits_count(&s->gb)+31)/32*4 + table_size;
+    return (get_bits_count(&s->gb) + 31) / 32 * 4 + table_size;
 }
 #endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */
 
-static int common_end(HYuvContext *s){
+static int common_end(HYuvContext *s)
+{
     int i;
 
-    for(i=0; i<3; i++){
+    for(i = 0; i < 3; i++) {
         av_freep(&s->temp[i]);
     }
     return 0;
@@ -1219,7 +1273,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
     common_end(s);
     av_freep(&s->bitstream_buffer);
 
-    for(i=0; i<6; i++){
+    for (i = 0; i < 6; i++) {
         ff_free_vlc(&s->vlc[i]);
     }
 
@@ -1232,13 +1286,13 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                         const AVFrame *pict, int *got_packet)
 {
     HYuvContext *s = avctx->priv_data;
-    const int width= s->width;
-    const int width2= s->width>>1;
-    const int height= s->height;
-    const int fake_ystride= s->interlaced ? pict->linesize[0]*2  : pict->linesize[0];
-    const int fake_ustride= s->interlaced ? pict->linesize[1]*2  : pict->linesize[1];
-    const int fake_vstride= s->interlaced ? pict->linesize[2]*2  : pict->linesize[2];
-    AVFrame * const p= &s->picture;
+    const int width = s->width;
+    const int width2 = s->width>>1;
+    const int height = s->height;
+    const int fake_ystride = s->interlaced ? pict->linesize[0]*2  : pict->linesize[0];
+    const int fake_ustride = s->interlaced ? pict->linesize[1]*2  : pict->linesize[1];
+    const int fake_vstride = s->interlaced ? pict->linesize[2]*2  : pict->linesize[2];
+    AVFrame * const p = &s->picture;
     int i, j, size = 0, ret;
 
     if (!pkt->data &&
@@ -1248,80 +1302,81 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     }
 
     *p = *pict;
-    p->pict_type= AV_PICTURE_TYPE_I;
-    p->key_frame= 1;
+    p->pict_type = AV_PICTURE_TYPE_I;
+    p->key_frame = 1;
 
-    if(s->context){
-        for(i=0; i<3; i++){
+    if (s->context) {
+        for (i = 0; i < 3; i++) {
             generate_len_table(s->len[i], s->stats[i]);
-            if(generate_bits_table(s->bits[i], s->len[i])<0)
+            if (generate_bits_table(s->bits[i], s->len[i]) < 0)
                 return -1;
             size += store_table(s, s->len[i], &pkt->data[size]);
         }
 
-        for(i=0; i<3; i++)
-            for(j=0; j<256; j++)
+        for (i = 0; i < 3; i++)
+            for (j = 0; j < 256; j++)
                 s->stats[i][j] >>= 1;
     }
 
     init_put_bits(&s->pb, pkt->data + size, pkt->size - size);
 
-    if(avctx->pix_fmt == PIX_FMT_YUV422P || avctx->pix_fmt == PIX_FMT_YUV420P){
+    if (avctx->pix_fmt == PIX_FMT_YUV422P ||
+        avctx->pix_fmt == PIX_FMT_YUV420P) {
         int lefty, leftu, leftv, y, cy;
 
-        put_bits(&s->pb, 8, leftv= p->data[2][0]);
-        put_bits(&s->pb, 8, lefty= p->data[0][1]);
-        put_bits(&s->pb, 8, leftu= p->data[1][0]);
-        put_bits(&s->pb, 8,        p->data[0][0]);
+        put_bits(&s->pb, 8, leftv = p->data[2][0]);
+        put_bits(&s->pb, 8, lefty = p->data[0][1]);
+        put_bits(&s->pb, 8, leftu = p->data[1][0]);
+        put_bits(&s->pb, 8,         p->data[0][0]);
 
-        lefty= sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
-        leftu= sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
-        leftv= sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
+        lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0);
+        leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0);
+        leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0);
 
         encode_422_bitstream(s, 2, width-2);
 
-        if(s->predictor==MEDIAN){
+        if (s->predictor==MEDIAN) {
             int lefttopy, lefttopu, lefttopv;
-            cy=y=1;
-            if(s->interlaced){
-                lefty= sub_left_prediction(s, s->temp[0], p->data[0]+p->linesize[0], width , lefty);
-                leftu= sub_left_prediction(s, s->temp[1], p->data[1]+p->linesize[1], width2, leftu);
-                leftv= sub_left_prediction(s, s->temp[2], p->data[2]+p->linesize[2], width2, leftv);
+            cy = y = 1;
+            if (s->interlaced) {
+                lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty);
+                leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu);
+                leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv);
 
                 encode_422_bitstream(s, 0, width);
                 y++; cy++;
             }
 
-            lefty= sub_left_prediction(s, s->temp[0], p->data[0]+fake_ystride, 4, lefty);
-            leftu= sub_left_prediction(s, s->temp[1], p->data[1]+fake_ustride, 2, leftu);
-            leftv= sub_left_prediction(s, s->temp[2], p->data[2]+fake_vstride, 2, leftv);
+            lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty);
+            leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu);
+            leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv);
 
             encode_422_bitstream(s, 0, 4);
 
-            lefttopy= p->data[0][3];
-            lefttopu= p->data[1][1];
-            lefttopv= p->data[2][1];
-            s->dsp.sub_hfyu_median_prediction(s->temp[0], p->data[0]+4, p->data[0] + fake_ystride+4, width-4 , &lefty, &lefttopy);
-            s->dsp.sub_hfyu_median_prediction(s->temp[1], p->data[1]+2, p->data[1] + fake_ustride+2, width2-2, &leftu, &lefttopu);
-            s->dsp.sub_hfyu_median_prediction(s->temp[2], p->data[2]+2, p->data[2] + fake_vstride+2, width2-2, &leftv, &lefttopv);
-            encode_422_bitstream(s, 0, width-4);
+            lefttopy = p->data[0][3];
+            lefttopu = p->data[1][1];
+            lefttopv = p->data[2][1];
+            s->dsp.sub_hfyu_median_prediction(s->temp[0], p->data[0]+4, p->data[0] + fake_ystride + 4, width - 4 , &lefty, &lefttopy);
+            s->dsp.sub_hfyu_median_prediction(s->temp[1], p->data[1]+2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu);
+            s->dsp.sub_hfyu_median_prediction(s->temp[2], p->data[2]+2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv);
+            encode_422_bitstream(s, 0, width - 4);
             y++; cy++;
 
-            for(; y<height; y++,cy++){
+            for (; y < height; y++,cy++) {
                 uint8_t *ydst, *udst, *vdst;
 
-                if(s->bitstream_bpp==12){
-                    while(2*cy > y){
-                        ydst= p->data[0] + p->linesize[0]*y;
+                if (s->bitstream_bpp == 12) {
+                    while (2 * cy > y) {
+                        ydst = p->data[0] + p->linesize[0] * y;
                         s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
                         encode_gray_bitstream(s, width);
                         y++;
                     }
-                    if(y>=height) break;
+                    if (y >= height) break;
                 }
-                ydst= p->data[0] + p->linesize[0]*y;
-                udst= p->data[1] + p->linesize[1]*cy;
-                vdst= p->data[2] + p->linesize[2]*cy;
+                ydst = p->data[0] + p->linesize[0] * y;
+                udst = p->data[1] + p->linesize[1] * cy;
+                vdst = p->data[2] + p->linesize[2] * cy;
 
                 s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy);
                 s->dsp.sub_hfyu_median_prediction(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu);
@@ -1329,90 +1384,90 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 
                 encode_422_bitstream(s, 0, width);
             }
-        }else{
-            for(cy=y=1; y<height; y++,cy++){
+        } else {
+            for (cy = y = 1; y < height; y++, cy++) {
                 uint8_t *ydst, *udst, *vdst;
 
                 /* encode a luma only line & y++ */
-                if(s->bitstream_bpp==12){
-                    ydst= p->data[0] + p->linesize[0]*y;
+                if (s->bitstream_bpp == 12) {
+                    ydst = p->data[0] + p->linesize[0] * y;
 
-                    if(s->predictor == PLANE && s->interlaced < y){
+                    if (s->predictor == PLANE && s->interlaced < y) {
                         s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
 
-                        lefty= sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
-                    }else{
-                        lefty= sub_left_prediction(s, s->temp[0], ydst, width , lefty);
+                        lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
+                    } else {
+                        lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
                     }
                     encode_gray_bitstream(s, width);
                     y++;
-                    if(y>=height) break;
+                    if (y >= height) break;
                 }
 
-                ydst= p->data[0] + p->linesize[0]*y;
-                udst= p->data[1] + p->linesize[1]*cy;
-                vdst= p->data[2] + p->linesize[2]*cy;
+                ydst = p->data[0] + p->linesize[0] * y;
+                udst = p->data[1] + p->linesize[1] * cy;
+                vdst = p->data[2] + p->linesize[2] * cy;
 
-                if(s->predictor == PLANE && s->interlaced < cy){
+                if (s->predictor == PLANE && s->interlaced < cy) {
                     s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width);
                     s->dsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2);
                     s->dsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2);
 
-                    lefty= sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
-                    leftu= sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
-                    leftv= sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
-                }else{
-                    lefty= sub_left_prediction(s, s->temp[0], ydst, width , lefty);
-                    leftu= sub_left_prediction(s, s->temp[1], udst, width2, leftu);
-                    leftv= sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
+                    lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty);
+                    leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu);
+                    leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv);
+                } else {
+                    lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty);
+                    leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu);
+                    leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv);
                 }
 
                 encode_422_bitstream(s, 0, width);
             }
         }
-    }else if(avctx->pix_fmt == PIX_FMT_RGB32){
-        uint8_t *data = p->data[0] + (height-1)*p->linesize[0];
+    } else if(avctx->pix_fmt == PIX_FMT_RGB32) {
+        uint8_t *data = p->data[0] + (height - 1) * p->linesize[0];
         const int stride = -p->linesize[0];
         const int fake_stride = -fake_ystride;
         int y;
         int leftr, leftg, leftb;
 
-        put_bits(&s->pb, 8, leftr= data[R]);
-        put_bits(&s->pb, 8, leftg= data[G]);
-        put_bits(&s->pb, 8, leftb= data[B]);
+        put_bits(&s->pb, 8, leftr = data[R]);
+        put_bits(&s->pb, 8, leftg = data[G]);
+        put_bits(&s->pb, 8, leftb = data[B]);
         put_bits(&s->pb, 8, 0);
 
-        sub_left_prediction_bgr32(s, s->temp[0], data+4, width-1, &leftr, &leftg, &leftb);
-        encode_bgr_bitstream(s, width-1);
+        sub_left_prediction_bgr32(s, s->temp[0], data + 4, width - 1, &leftr, &leftg, &leftb);
+        encode_bgr_bitstream(s, width - 1);
 
-        for(y=1; y<s->height; y++){
+        for (y = 1; y < s->height; y++) {
             uint8_t *dst = data + y*stride;
-            if(s->predictor == PLANE && s->interlaced < y){
-                s->dsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width*4);
+            if (s->predictor == PLANE && s->interlaced < y) {
+                s->dsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4);
                 sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width, &leftr, &leftg, &leftb);
-            }else{
+            } else {
                 sub_left_prediction_bgr32(s, s->temp[0], dst, width, &leftr, &leftg, &leftb);
             }
             encode_bgr_bitstream(s, width);
         }
-    }else{
+    } else {
         av_log(avctx, AV_LOG_ERROR, "Format not supported!\n");
     }
     emms_c();
 
-    size+= (put_bits_count(&s->pb)+31)/8;
+    size += (put_bits_count(&s->pb) + 31) / 8;
     put_bits(&s->pb, 16, 0);
     put_bits(&s->pb, 15, 0);
-    size/= 4;
+    size /= 4;
 
-    if((s->flags&CODEC_FLAG_PASS1) && (s->picture_number&31)==0){
+    if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) {
         int j;
-        char *p= avctx->stats_out;
-        char *end= p + 1024*30;
-        for(i=0; i<3; i++){
-            for(j=0; j<256; j++){
+        char *p = avctx->stats_out;
+        char *end = p + 1024*30;
+        for (i = 0; i < 3; i++) {
+            for (j = 0; j < 256; j++) {
                 snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]);
-                p+= strlen(p);
+                p += strlen(p);
                 s->stats[i][j]= 0;
             }
             snprintf(p, end-p, "\n");
@@ -1420,14 +1475,14 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         }
     } else
         avctx->stats_out[0] = '\0';
-    if(!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)){
+    if (!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) {
         flush_put_bits(&s->pb);
         s->dsp.bswap_buf((uint32_t*)pkt->data, (uint32_t*)pkt->data, size);
     }
 
     s->picture_number++;
 
-    pkt->size   = size*4;
+    pkt->size   = size * 4;
     pkt->flags |= AV_PKT_FLAG_KEY;
     *got_packet = 1;