X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fhuffyuv.c;h=da5c52f9a6beb686fde32725579403924a663222;hb=8dfba25ce89b62c80ba83e2116d549176c376144;hp=943e48c5693b14867a4aa6b84454162b9b853fd1;hpb=00c3b67b8ac6bfdc5a01535173dc537824a53d6e;p=ffmpeg diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c index 943e48c5693..da5c52f9a6b 100644 --- a/libavcodec/huffyuv.c +++ b/libavcodec/huffyuv.c @@ -28,184 +28,25 @@ * huffyuv codec for libavcodec. */ -#include "avcodec.h" -#include "get_bits.h" -#include "put_bits.h" -#include "dsputil.h" -#include "thread.h" - -#define VLC_BITS 11 - -#if HAVE_BIGENDIAN -#define B 3 -#define G 2 -#define R 1 -#define A 0 -#else -#define B 0 -#define G 1 -#define R 2 -#define A 3 -#endif - -typedef enum Predictor{ - LEFT= 0, - PLANE, - MEDIAN, -} Predictor; - -typedef struct HYuvContext{ - AVCodecContext *avctx; - Predictor predictor; - GetBitContext gb; - PutBitContext pb; - int interlaced; - int decorrelate; - int bitstream_bpp; - int version; - int yuy2; //use yuy2 instead of 422P - int bgr32; //use bgr32 instead of bgr24 - int width, height; - int flags; - int context; - int picture_number; - int last_slice_end; - uint8_t *temp[3]; - uint64_t stats[3][256]; - uint8_t len[3][256]; - uint32_t bits[3][256]; - uint32_t pix_bgr_map[1<dsp.diff_bytes(dst+16, src+16, src+15, w-16); - return src[w-1]; - } -} +#include -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; idsp.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){ - int i, val, repeat; +#include "libavutil/mem.h" - 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) { - av_log(NULL, AV_LOG_ERROR, "Error reading huffman table\n"); - return -1; - } - while (repeat--) - dst[i++] = val; - } - return 0; -} +#include "avcodec.h" +#include "bswapdsp.h" +#include "huffyuv.h" -static int generate_bits_table(uint32_t *dst, const uint8_t *len_table){ +int ff_huffyuv_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; } @@ -214,1299 +55,43 @@ static int generate_bits_table(uint32_t *dst, const uint8_t *len_table){ return 0; } -#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER -typedef struct { - uint64_t val; - int name; -} HeapElem; - -static void heap_sift(HeapElem *h, int root, int size) +av_cold int ff_huffyuv_alloc_temp(HYuvContext *s) { - 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) { - FFSWAP(HeapElem, h[root], h[child]); - root = child; - } else - break; - } -} - -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=0; i--) - heap_sift(h, i, size); - - for(next=size; next=size; i--) - len[i] = len[up[i]] + 1; - for(i=0; i= 32) break; - } - if(i==size) break; - } -} -#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */ - -static void generate_joint_tables(HYuvContext *s){ - uint16_t symbols[1<bitstream_bpp < 24){ - int p, i, y, u; - 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++){ - int len1 = s->len[p][u]; - if(len1 > limit) - continue; - len[i] = len0 + len1; - bits[i] = (s->bits[0][y] << len1) + s->bits[p][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); - } - }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 - // 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]; - int limit0 = VLC_BITS - len0; - if(limit0 < 2) - continue; - for(b=-16; b<16; b++){ - int len1 = s->len[p1][b&255]; - int limit1 = limit0 - len1; - 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) - continue; - len[i] = len0 + len1 + len2; - 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; - map[i][G] = b; - map[i][R] = r; - } - i++; - } - } - } - ff_free_vlc(&s->vlc[3]); - init_vlc(&s->vlc[3], VLC_BITS, i, len, 1, 1, bits, 2, 2, 0); - } -} - -static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length){ - GetBitContext gb; int i; - init_get_bits(&gb, src, length*8); - - 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){ - 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); - } - - generate_joint_tables(s); - - return (get_bits_count(&gb)+7)/8; -} - -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) - return -1; - 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)); - } - 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++){ - 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); - } - - generate_joint_tables(s); - - return 0; -#else - av_log(s->avctx, AV_LOG_DEBUG, "v1 huffyuv is not supported \n"); - return -1; -#endif -} - -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); + if (!s->temp[i]) + return AVERROR(ENOMEM); } - }else{ + } else { s->temp[0]= av_mallocz(4*s->width + 16); + if (!s->temp[0]) + return AVERROR(ENOMEM); } -} - -static av_cold int common_init(AVCodecContext *avctx){ - HYuvContext *s = avctx->priv_data; - - s->avctx= avctx; - s->flags= avctx->flags; - - ff_dsputil_init(&s->dsp, avctx); - - s->width= avctx->width; - s->height= avctx->height; - assert(s->width>0 && s->height>0); - - return 0; -} - -#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER -static av_cold int decode_init(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - - common_init(avctx); - 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? - else - s->version=2; - }else - s->version=0; - - 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) - return -1; - }else{ - switch(avctx->bits_per_coded_sample&7){ - case 1: - s->predictor= LEFT; - s->decorrelate= 0; - break; - case 2: - s->predictor= LEFT; - s->decorrelate= 1; - break; - case 3: - s->predictor= PLANE; - s->decorrelate= avctx->bits_per_coded_sample >= 24; - break; - case 4: - s->predictor= MEDIAN; - s->decorrelate= 0; - break; - default: - s->predictor= LEFT; //OLD - s->decorrelate= 0; - break; - } - s->bitstream_bpp= avctx->bits_per_coded_sample & ~7; - s->context= 0; - - if(read_old_huffman_tables(s) < 0) - return -1; - } - - switch(s->bitstream_bpp){ - case 12: - avctx->pix_fmt = PIX_FMT_YUV420P; - break; - case 16: - if(s->yuy2){ - avctx->pix_fmt = PIX_FMT_YUYV422; - }else{ - avctx->pix_fmt = PIX_FMT_YUV422P; - } - break; - case 24: - case 32: - if(s->bgr32){ - avctx->pix_fmt = PIX_FMT_RGB32; - }else{ - avctx->pix_fmt = PIX_FMT_BGR24; - } - break; - default: - return AVERROR_INVALIDDATA; - } - - 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; } -static av_cold int decode_init_thread_copy(AVCodecContext *avctx) +av_cold void ff_huffyuv_common_init(AVCodecContext *avctx) { HYuvContext *s = avctx->priv_data; - int i; - - avctx->coded_frame= &s->picture; - alloc_temp(s); - - 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) - return -1; - }else{ - if(read_old_huffman_tables(s) < 0) - return -1; - } - - return 0; -} -#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){ - int i; - int index= 0; - - for(i=0; i<256;){ - int val= len[i]; - int repeat=0; - - for(; i<256 && len[i]==val && repeat<255; i++) - repeat++; + s->avctx = avctx; + s->flags = avctx->flags; - assert(val < 32 && val >0 && repeat<256 && repeat>0); - if(repeat>7){ - buf[index++]= val; - buf[index++]= repeat; - }else{ - buf[index++]= val | (repeat<<5); - } - } + ff_bswapdsp_init(&s->bdsp); - return index; + s->width = avctx->width; + s->height = avctx->height; + assert(s->width>0 && s->height>0); } -static av_cold int encode_init(AVCodecContext *avctx) +void ff_huffyuv_common_end(HYuvContext *s) { - HYuvContext *s = avctx->priv_data; - int i, j; - - 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->coded_frame= &s->picture; - - switch(avctx->pix_fmt){ - case PIX_FMT_YUV420P: - s->bitstream_bpp= 12; - break; - case PIX_FMT_YUV422P: - s->bitstream_bpp= 16; - break; - case PIX_FMT_RGB32: - 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"); - return -1; - } - }else s->context= 0; - - if(avctx->codec->id==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"); - 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->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; - - 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(;;){ - 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; - } - } - 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); - - s->stats[i][j]= 100000000/(d+1); - } - } - - 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){ - return -1; - } - - 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); - } - } - }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; - - return 0; -} -#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */ - -/* TODO instead of restarting the read when the code isn't in the first level - * of the joint table, jump into the 2nd level of the individual table. */ -#define READ_2PIX(dst0, dst1, plane1){\ - uint16_t code = get_vlc2(&s->gb, s->vlc[3+plane1].table, VLC_BITS, 1);\ - if(code != 0xffff){\ - dst0 = code>>8;\ - dst1 = code;\ - }else{\ - dst0 = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3);\ - dst1 = get_vlc2(&s->gb, s->vlc[plane1].table, VLC_BITS, 3);\ - }\ -} - -static void decode_422_bitstream(HYuvContext *s, int count){ - int i; - - count/=2; - - 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); - } - }else{ - for(i=0; itemp[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){ - int i; - - count/=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); - } - }else{ - for(i=0; itemp[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){ - 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; - - 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 u0 = u[i];\ - int v0 = v[i]; - - count/=2; - if(s->flags&CODEC_FLAG_PASS1){ - for(i=0; istats[0][y0]++; - s->stats[1][u0]++; - s->stats[0][y1]++; - s->stats[2][v0]++; - } - } - if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT) - return 0; - if(s->context){ - for(i=0; istats[0][y0]++; - put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]); - s->stats[1][u0]++; - put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]); - s->stats[0][y1]++; - put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]); - s->stats[2][v0]++; - put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]); - } - }else{ - for(i=0; ipb, s->len[0][y0], s->bits[0][y0]); - put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]); - put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]); - put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]); - } - } - return 0; -} - -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){ - 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]; -#define STAT2\ - s->stats[0][y0]++;\ - s->stats[0][y1]++; -#define WRITE2\ - 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; iavctx->flags2&CODEC_FLAG2_NO_OUTPUT) - return 0; - - if(s->context){ - for(i=0; igb, 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(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) - decode_bgr_1(s, count, 1, 0); - else - decode_bgr_1(s, count, 1, 1); - }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){ - int i; - - 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; -#define STAT3\ - s->stats[0][b]++;\ - s->stats[1][g]++;\ - s->stats[2][r]++; -#define WRITE3\ - put_bits(&s->pb, s->len[1][g], s->bits[1][g]);\ - 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; icontext || (s->flags&CODEC_FLAG_PASS1)){ - for(i=0; iavctx->draw_horiz_band==NULL) - return; - - h= y - s->last_slice_end; - y -= h; - - if(s->bitstream_bpp==12){ - cy= y>>1; - }else{ - cy= y; - } - - offset[0] = s->picture.linesize[0]*y; - offset[1] = s->picture.linesize[1]*cy; - offset[2] = s->picture.linesize[2]*cy; - for (i = 3; i < AV_NUM_DATA_POINTERS; i++) - offset[i] = 0; - emms_c(); - - s->avctx->draw_horiz_band(s->avctx, &s->picture, offset, y, 3, h); - - s->last_slice_end= y + h; -} - -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; - int fake_ystride, fake_ustride, fake_vstride; - 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); - 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); - - if(p->data[0]) - ff_thread_release_buffer(avctx, p); - - 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){ - table_size = read_huffman_tables(s, s->bitstream_buffer, buf_size); - if(table_size < 0) - return -1; - } - - 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); - - 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; - - 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); - - av_log(avctx, AV_LOG_ERROR, "YUY2 output is not implemented yet\n"); - return -1; - }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); - - 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); - } - - for(cy=y=1; yheight; y++,cy++){ - uint8_t *ydst, *udst, *vdst; - - if(s->bitstream_bpp==12){ - decode_gray_bitstream(s, width); - - 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) - s->dsp.add_bytes(ydst, ydst - fake_ystride, width); - } - y++; - 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; - - decode_422_bitstream(s, width); - 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){ - s->dsp.add_bytes(ydst, ydst - fake_ystride, width); - if(!(s->flags&CODEC_FLAG_GRAY)){ - s->dsp.add_bytes(udst, udst - fake_ustride, width2); - s->dsp.add_bytes(vdst, vdst - fake_vstride, width2); - } - } - } - } - draw_slice(s, height); - - 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); - } - - cy=y=1; - - /* second line is left predicted for interlaced case */ - 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); - } - 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); - } - - /* next line except the first 4 pixels is median predicted */ - 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); - } - y++; cy++; - - for(; ybitstream_bpp==12){ - while(2*cy > y){ - decode_gray_bitstream(s, width); - 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; - } - 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; - - s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy); - 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); - } - } - - draw_slice(s, height); - break; - } - } - }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; - skip_bits(&s->gb, 8); - } - - 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); - - 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 && yheight-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 - break; - default: - 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"); - return -1; - } - } - emms_c(); - - *picture= *p; - *data_size = sizeof(AVFrame); - - return (get_bits_count(&s->gb)+31)/32*4 + table_size; -} -#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */ - -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; -} - -#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER -static av_cold int decode_end(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - int i; - - if (s->picture.data[0]) - avctx->release_buffer(avctx, &s->picture); - - common_end(s); - av_freep(&s->bitstream_buffer); - - for(i=0; i<6; i++){ - ff_free_vlc(&s->vlc[i]); - } - - return 0; -} -#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */ - -#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER -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; - int i, j, size = 0, ret; - - if (!pkt->data && - (ret = av_new_packet(pkt, width * height * 3 * 4 + FF_MIN_BUFFER_SIZE)) < 0) { - av_log(avctx, AV_LOG_ERROR, "Error allocating output packet.\n"); - return ret; - } - - *p = *pict; - p->pict_type= AV_PICTURE_TYPE_I; - p->key_frame= 1; - - 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) - return -1; - size += store_table(s, s->len[i], &pkt->data[size]); - } - - 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){ - 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]); - - 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){ - 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); - - 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); - - 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); - y++; cy++; - - for(; ybitstream_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; - } - 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); - s->dsp.sub_hfyu_median_prediction(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv); - - encode_422_bitstream(s, 0, width); - } - }else{ - for(cy=y=1; ybitstream_bpp==12){ - ydst= p->data[0] + p->linesize[0]*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); - } - encode_gray_bitstream(s, width); - y++; - 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; - - 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); - } - - 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]; - 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, 0); - - sub_left_prediction_bgr32(s, s->temp[0], data+4, width-1, &leftr, &leftg, &leftb); - encode_bgr_bitstream(s, width-1); - - for(y=1; yheight; 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); - sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width, &leftr, &leftg, &leftb); - }else{ - sub_left_prediction_bgr32(s, s->temp[0], dst, width, &leftr, &leftg, &leftb); - } - encode_bgr_bitstream(s, width); - } - }else{ - av_log(avctx, AV_LOG_ERROR, "Format not supported!\n"); - } - emms_c(); - - size+= (put_bits_count(&s->pb)+31)/8; - put_bits(&s->pb, 16, 0); - put_bits(&s->pb, 15, 0); - size/= 4; - - 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++){ - snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]); - p+= strlen(p); - s->stats[i][j]= 0; - } - snprintf(p, end-p, "\n"); - p++; - } - } else - avctx->stats_out[0] = '\0'; - 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->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - - return 0; -} - -static av_cold int encode_end(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - - common_end(s); - - av_freep(&avctx->extradata); - av_freep(&avctx->stats_out); - - return 0; } -#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */ - -#if CONFIG_HUFFYUV_DECODER -AVCodec ff_huffyuv_decoder = { - .name = "huffyuv", - .type = AVMEDIA_TYPE_VIDEO, - .id = CODEC_ID_HUFFYUV, - .priv_data_size = sizeof(HYuvContext), - .init = decode_init, - .close = decode_end, - .decode = decode_frame, - .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND | - CODEC_CAP_FRAME_THREADS, - .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"), -}; -#endif - -#if CONFIG_FFVHUFF_DECODER -AVCodec ff_ffvhuff_decoder = { - .name = "ffvhuff", - .type = AVMEDIA_TYPE_VIDEO, - .id = CODEC_ID_FFVHUFF, - .priv_data_size = sizeof(HYuvContext), - .init = decode_init, - .close = decode_end, - .decode = decode_frame, - .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND | - CODEC_CAP_FRAME_THREADS, - .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"), -}; -#endif - -#if CONFIG_HUFFYUV_ENCODER -AVCodec ff_huffyuv_encoder = { - .name = "huffyuv", - .type = AVMEDIA_TYPE_VIDEO, - .id = CODEC_ID_HUFFYUV, - .priv_data_size = sizeof(HYuvContext), - .init = encode_init, - .encode2 = encode_frame, - .close = encode_end, - .pix_fmts = (const enum PixelFormat[]){ - PIX_FMT_YUV422P, PIX_FMT_RGB32, PIX_FMT_NONE - }, - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"), -}; -#endif - -#if CONFIG_FFVHUFF_ENCODER -AVCodec ff_ffvhuff_encoder = { - .name = "ffvhuff", - .type = AVMEDIA_TYPE_VIDEO, - .id = CODEC_ID_FFVHUFF, - .priv_data_size = sizeof(HYuvContext), - .init = encode_init, - .encode2 = encode_frame, - .close = encode_end, - .pix_fmts = (const enum PixelFormat[]){ - PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_RGB32, PIX_FMT_NONE - }, - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"), -}; -#endif