X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fhuffyuv.c;h=da5c52f9a6beb686fde32725579403924a663222;hb=e328178da90f44690e0076f4dbfd16da9175f441;hp=fc3d94a97870c9da85ac7d799f0a77d104426a55;hpb=2029f312e8c13b25d322d69961b42db2e66f616a;p=ffmpeg diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c index fc3d94a9787..da5c52f9a6b 100644 --- a/libavcodec/huffyuv.c +++ b/libavcodec/huffyuv.c @@ -3,255 +3,50 @@ * * Copyright (c) 2002-2003 Michael Niedermayer * - * This file is part of FFmpeg. + * see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of + * the algorithm used + * + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of - * the algorithm used */ /** - * @file huffyuv.c + * @file * huffyuv codec for libavcodec. */ -#include "avcodec.h" -#include "bitstream.h" -#include "dsputil.h" - -#define VLC_BITS 11 - -#ifdef WORDS_BIGENDIAN -#define B 3 -#define G 2 -#define R 1 -#else -#define B 0 -#define G 1 -#define R 2 -#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]; - VLC vlc[3]; - AVFrame picture; - uint8_t *bitstream_buffer; - unsigned int bitstream_buffer_size; - DSPContext dsp; -}HYuvContext; - -static const unsigned char classic_shift_luma[] = { - 34,36,35,69,135,232,9,16,10,24,11,23,12,16,13,10,14,8,15,8, - 16,8,17,20,16,10,207,206,205,236,11,8,10,21,9,23,8,8,199,70, - 69,68, 0 -}; - -static const unsigned char classic_shift_chroma[] = { - 66,36,37,38,39,40,41,75,76,77,110,239,144,81,82,83,84,85,118,183, - 56,57,88,89,56,89,154,57,58,57,26,141,57,56,58,57,58,57,184,119, - 214,245,116,83,82,49,80,79,78,77,44,75,41,40,39,38,37,36,34, 0 -}; - -static const unsigned char classic_add_luma[256] = { - 3, 9, 5, 12, 10, 35, 32, 29, 27, 50, 48, 45, 44, 41, 39, 37, - 73, 70, 68, 65, 64, 61, 58, 56, 53, 50, 49, 46, 44, 41, 38, 36, - 68, 65, 63, 61, 58, 55, 53, 51, 48, 46, 45, 43, 41, 39, 38, 36, - 35, 33, 32, 30, 29, 27, 26, 25, 48, 47, 46, 44, 43, 41, 40, 39, - 37, 36, 35, 34, 32, 31, 30, 28, 27, 26, 24, 23, 22, 20, 19, 37, - 35, 34, 33, 31, 30, 29, 27, 26, 24, 23, 21, 20, 18, 17, 15, 29, - 27, 26, 24, 22, 21, 19, 17, 16, 14, 26, 25, 23, 21, 19, 18, 16, - 15, 27, 25, 23, 21, 19, 17, 16, 14, 26, 25, 23, 21, 18, 17, 14, - 12, 17, 19, 13, 4, 9, 2, 11, 1, 7, 8, 0, 16, 3, 14, 6, - 12, 10, 5, 15, 18, 11, 10, 13, 15, 16, 19, 20, 22, 24, 27, 15, - 18, 20, 22, 24, 26, 14, 17, 20, 22, 24, 27, 15, 18, 20, 23, 25, - 28, 16, 19, 22, 25, 28, 32, 36, 21, 25, 29, 33, 38, 42, 45, 49, - 28, 31, 34, 37, 40, 42, 44, 47, 49, 50, 52, 54, 56, 57, 59, 60, - 62, 64, 66, 67, 69, 35, 37, 39, 40, 42, 43, 45, 47, 48, 51, 52, - 54, 55, 57, 59, 60, 62, 63, 66, 67, 69, 71, 72, 38, 40, 42, 43, - 46, 47, 49, 51, 26, 28, 30, 31, 33, 34, 18, 19, 11, 13, 7, 8, -}; - -static const unsigned char classic_add_chroma[256] = { - 3, 1, 2, 2, 2, 2, 3, 3, 7, 5, 7, 5, 8, 6, 11, 9, - 7, 13, 11, 10, 9, 8, 7, 5, 9, 7, 6, 4, 7, 5, 8, 7, - 11, 8, 13, 11, 19, 15, 22, 23, 20, 33, 32, 28, 27, 29, 51, 77, - 43, 45, 76, 81, 46, 82, 75, 55, 56,144, 58, 80, 60, 74,147, 63, - 143, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, - 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 27, 30, 21, 22, - 17, 14, 5, 6,100, 54, 47, 50, 51, 53,106,107,108,109,110,111, - 112,113,114,115, 4,117,118, 92, 94,121,122, 3,124,103, 2, 1, - 0,129,130,131,120,119,126,125,136,137,138,139,140,141,142,134, - 135,132,133,104, 64,101, 62, 57,102, 95, 93, 59, 61, 28, 97, 96, - 52, 49, 48, 29, 32, 25, 24, 46, 23, 98, 45, 44, 43, 20, 42, 41, - 19, 18, 99, 40, 15, 39, 38, 16, 13, 12, 11, 37, 10, 9, 8, 36, - 7,128,127,105,123,116, 35, 34, 33,145, 31, 79, 42,146, 78, 26, - 83, 48, 49, 50, 44, 47, 26, 31, 30, 18, 17, 19, 21, 24, 25, 13, - 14, 16, 17, 18, 20, 21, 12, 14, 15, 9, 10, 6, 9, 6, 5, 8, - 6, 12, 8, 10, 7, 9, 6, 4, 6, 2, 2, 3, 3, 3, 3, 2, -}; - -static inline int add_left_prediction(uint8_t *dst, uint8_t *src, int w, int acc){ - int i; - - for(i=0; i - dst[4*i+B]= b; - dst[4*i+G]= g; - dst[4*i+R]= r; - } - - *red= r; - *green= g; - *blue= b; -} +#include "libavutil/mem.h" -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; idsp.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){ - 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 void 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); - while (repeat--) - dst[i++] = val; - } -} +#include "avcodec.h" +#include "bswapdsp.h" +#include "huffyuv.h" -static int generate_bits_table(uint32_t *dst, 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; } @@ -260,1130 +55,43 @@ static int generate_bits_table(uint32_t *dst, uint8_t *len_table){ return 0; } -#ifdef CONFIG_ENCODERS -static void generate_len_table(uint8_t *dst, uint64_t *stats, int size){ - uint64_t counts[2*size]; - int up[2*size]; - int offset, i, next; - - for(offset=1; ; offset<<=1){ - for(i=0; i counts[i]){ - if(min1 > counts[i]){ - min2= min1; - min2_i= min1_i; - min1= counts[i]; - min1_i= i; - }else{ - min2= counts[i]; - min2_i= i; - } - } - } - - if(min2==INT64_MAX) break; - - counts[next]= min1 + min2; - counts[min1_i]= - counts[min2_i]= INT64_MAX; - up[min1_i]= - up[min2_i]= next; - up[next]= -1; - } - - for(i=0; i= 32) break; - - dst[i]= len; - } - if(i==size) break; - } -} -#endif /* CONFIG_ENCODERS */ - -static int read_huffman_tables(HYuvContext *s, uint8_t *src, int length){ - GetBitContext gb; - int i; - - init_get_bits(&gb, src, length*8); - - for(i=0; i<3; i++){ - read_len_table(s->len[i], &gb); - - if(generate_bits_table(s->bits[i], s->len[i])<0){ - return -1; - } -#if 0 -for(j=0; j<256; j++){ -printf("%6X, %2d, %3d\n", s->bits[i][j], s->len[i][j], j); -} -#endif - free_vlc(&s->vlc[i]); - init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0); - } - - 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, sizeof(classic_shift_luma)*8); - read_len_table(s->len[0], &gb); - init_get_bits(&gb, classic_shift_chroma, sizeof(classic_shift_chroma)*8); - read_len_table(s->len[1], &gb); - - 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++){ - free_vlc(&s->vlc[i]); - init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0); - } - - return 0; -#else - av_log(s->avctx, AV_LOG_DEBUG, "v1 huffyuv is not supported \n"); - return -1; -#endif -} - -static void alloc_temp(HYuvContext *s){ +av_cold int ff_huffyuv_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{ - for(i=0; i<2; i++){ - s->temp[i]= av_malloc(4*s->width + 16); - } + } else { + s->temp[0]= av_mallocz(4*s->width + 16); + if (!s->temp[0]) + return AVERROR(ENOMEM); } -} - -static int common_init(AVCodecContext *avctx){ - HYuvContext *s = avctx->priv_data; - - s->avctx= avctx; - s->flags= avctx->flags; - - dsputil_init(&s->dsp, avctx); - - s->width= avctx->width; - s->height= avctx->height; - assert(s->width>0 && s->height>0); - return 0; } -#ifdef CONFIG_DECODERS -static int decode_init(AVCodecContext *avctx) +av_cold void ff_huffyuv_common_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_sample&7) && avctx->bits_per_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; - - 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_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) < 0) - return -1; - }else{ - switch(avctx->bits_per_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_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_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: - assert(0); - } - - 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_sample, s->interlaced); - - return 0; -} -#endif - -#ifdef CONFIG_ENCODERS -static int store_table(HYuvContext *s, 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 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_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], 256); - - 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_sample, s->interlaced); - - alloc_temp(s); - - s->picture_number=0; - - return 0; -} -#endif /* CONFIG_ENCODERS */ - -static void decode_422_bitstream(HYuvContext *s, int count){ - int i; - - count/=2; - - for(i=0; itemp[0][2*i ]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3); - s->temp[1][ i ]= get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3); - s->temp[0][2*i+1]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3); - s->temp[2][ i ]= get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); - } -} - -static void decode_gray_bitstream(HYuvContext *s, int count){ - int i; - - count/=2; - - for(i=0; itemp[0][2*i ]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3); - s->temp[0][2*i+1]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3); - } -} - -#ifdef CONFIG_ENCODERS -static int encode_422_bitstream(HYuvContext *s, int count){ - int i; - - 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; - } - - count/=2; - if(s->flags&CODEC_FLAG_PASS1){ - for(i=0; istats[0][ s->temp[0][2*i ] ]++; - s->stats[1][ s->temp[1][ i ] ]++; - s->stats[0][ s->temp[0][2*i+1] ]++; - s->stats[2][ s->temp[2][ i ] ]++; - } - } - if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT) - return 0; - if(s->context){ - for(i=0; istats[0][ s->temp[0][2*i ] ]++; - put_bits(&s->pb, s->len[0][ s->temp[0][2*i ] ], s->bits[0][ s->temp[0][2*i ] ]); - s->stats[1][ s->temp[1][ i ] ]++; - put_bits(&s->pb, s->len[1][ s->temp[1][ i ] ], s->bits[1][ s->temp[1][ i ] ]); - s->stats[0][ s->temp[0][2*i+1] ]++; - put_bits(&s->pb, s->len[0][ s->temp[0][2*i+1] ], s->bits[0][ s->temp[0][2*i+1] ]); - s->stats[2][ s->temp[2][ i ] ]++; - put_bits(&s->pb, s->len[2][ s->temp[2][ i ] ], s->bits[2][ s->temp[2][ i ] ]); - } - }else{ - for(i=0; ipb, s->len[0][ s->temp[0][2*i ] ], s->bits[0][ s->temp[0][2*i ] ]); - put_bits(&s->pb, s->len[1][ s->temp[1][ i ] ], s->bits[1][ s->temp[1][ i ] ]); - put_bits(&s->pb, s->len[0][ s->temp[0][2*i+1] ], s->bits[0][ s->temp[0][2*i+1] ]); - put_bits(&s->pb, s->len[2][ s->temp[2][ i ] ], s->bits[2][ s->temp[2][ i ] ]); - } - } - 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; - } - - count/=2; - if(s->flags&CODEC_FLAG_PASS1){ - for(i=0; istats[0][ s->temp[0][2*i ] ]++; - s->stats[0][ s->temp[0][2*i+1] ]++; - } - } - if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT) - return 0; - - if(s->context){ - for(i=0; istats[0][ s->temp[0][2*i ] ]++; - put_bits(&s->pb, s->len[0][ s->temp[0][2*i ] ], s->bits[0][ s->temp[0][2*i ] ]); - s->stats[0][ s->temp[0][2*i+1] ]++; - put_bits(&s->pb, s->len[0][ s->temp[0][2*i+1] ], s->bits[0][ s->temp[0][2*i+1] ]); - } - }else{ - for(i=0; ipb, s->len[0][ s->temp[0][2*i ] ], s->bits[0][ s->temp[0][2*i ] ]); - put_bits(&s->pb, s->len[0][ s->temp[0][2*i+1] ], s->bits[0][ s->temp[0][2*i+1] ]); - } - } - return 0; -} -#endif /* CONFIG_ENCODERS */ - -static void decode_bgr_bitstream(HYuvContext *s, int count){ - int i; - - if(s->decorrelate){ - if(s->bitstream_bpp==24){ - for(i=0; itemp[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{ - for(i=0; itemp[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]; - get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); //?! - } - } - }else{ - if(s->bitstream_bpp==24){ - for(i=0; itemp[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); - } - }else{ - for(i=0; itemp[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); - get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); //?! - } - } - } -} - -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; - } - - if((s->flags&CODEC_FLAG_PASS1) && (s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT)){ - for(i=0; itemp[0][4*i+G]; - int b= (s->temp[0][4*i+B] - g) & 0xff; - int r= (s->temp[0][4*i+R] - g) & 0xff; - s->stats[0][b]++; - s->stats[1][g]++; - s->stats[2][r]++; - } - }else if(s->context || (s->flags&CODEC_FLAG_PASS1)){ - for(i=0; itemp[0][4*i+G]; - int b= (s->temp[0][4*i+B] - g) & 0xff; - int r= (s->temp[0][4*i+R] - g) & 0xff; - s->stats[0][b]++; - s->stats[1][g]++; - s->stats[2][r]++; - 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]); - } - }else{ - for(i=0; itemp[0][4*i+G]; - int b= (s->temp[0][4*i+B] - g) & 0xff; - int r= (s->temp[0][4*i+R] - g) & 0xff; - 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]); - } - } - return 0; -} - -#ifdef CONFIG_DECODERS -static void draw_slice(HYuvContext *s, int y){ - int h, cy; - int offset[4]; - - if(s->avctx->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; - offset[3] = 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, uint8_t *buf, int buf_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; - - s->bitstream_buffer= av_fast_realloc(s->bitstream_buffer, &s->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE); - - s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer, (uint32_t*)buf, buf_size/4); - - if(p->data[0]) - avctx->release_buffer(avctx, p); - - p->reference= 0; - if(avctx->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= add_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty); - if(!(s->flags&CODEC_FLAG_GRAY)){ - leftu= add_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu); - leftv= add_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= add_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= add_left_prediction(ydst, s->temp[0], width, lefty); - if(!(s->flags&CODEC_FLAG_GRAY)){ - leftu= add_left_prediction(udst, s->temp[1], width2, leftu); - leftv= add_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= add_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty); - if(!(s->flags&CODEC_FLAG_GRAY)){ - leftu= add_left_prediction(p->data[1] + 1, s->temp[1], width2-1, leftu); - leftv= add_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= add_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty); - if(!(s->flags&CODEC_FLAG_GRAY)){ - leftu= add_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu); - leftv= add_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= add_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty); - if(!(s->flags&CODEC_FLAG_GRAY)){ - leftu= add_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu); - leftv= add_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); - add_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]; - add_median_prediction(p->data[1] + fake_ustride+2, p->data[1]+2, s->temp[1], width2-2, &leftu, &lefttopu); - add_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; - add_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; - - add_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy); - if(!(s->flags&CODEC_FLAG_GRAY)){ - add_median_prediction(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu); - add_median_prediction(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv); - } - } - - draw_slice(s, height); - break; - } - } - }else{ - int y; - int leftr, leftg, leftb; - const int last_line= (height-1)*p->linesize[0]; - - if(s->bitstream_bpp==32){ - skip_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); - skip_bits(&s->gb, 8); - } - - if(s->bgr32){ - switch(s->predictor){ - case LEFT: - case PLANE: - decode_bgr_bitstream(s, width-1); - add_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width-1, &leftr, &leftg, &leftb); - - for(y=s->height-2; y>=0; y--){ //yes its stored upside down - decode_bgr_bitstream(s, width); - - add_left_prediction_bgr32(p->data[0] + p->linesize[0]*y, s->temp[0], width, &leftr, &leftg, &leftb); - if(s->predictor == PLANE){ - 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 - -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; -} - -#ifdef CONFIG_DECODERS -static int decode_end(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - int i; - - common_end(s); - av_freep(&s->bitstream_buffer); - - for(i=0; i<3; i++){ - free_vlc(&s->vlc[i]); - } - - return 0; } -#endif - -#ifdef CONFIG_ENCODERS -static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ - HYuvContext *s = avctx->priv_data; - AVFrame *pict = 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; - - *p = *pict; - p->pict_type= FF_I_TYPE; - p->key_frame= 1; - - if(s->context){ - for(i=0; i<3; i++){ - generate_len_table(s->len[i], s->stats[i], 256); - if(generate_bits_table(s->bits[i], s->len[i])<0) - return -1; - size+= store_table(s, s->len[i], &buf[size]); - } - - for(i=0; i<3; i++) - for(j=0; j<256; j++) - s->stats[i][j] >>= 1; - } - - init_put_bits(&s->pb, buf+size, buf_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]+2, width-2 , lefty); - leftu= sub_left_prediction(s, s->temp[1], p->data[1]+1, width2-1, leftu); - leftv= sub_left_prediction(s, s->temp[2], p->data[2]+1, width2-1, leftv); - - encode_422_bitstream(s, 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, 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, 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, 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, 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, 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; - 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++; - } - } - if(!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)){ - flush_put_bits(&s->pb); - s->dsp.bswap_buf((uint32_t*)buf, (uint32_t*)buf, size); - avctx->stats_out[0] = '\0'; - } - - s->picture_number++; - - return size*4; -} - -static 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_ENCODERS */ - -#ifdef CONFIG_DECODERS -AVCodec huffyuv_decoder = { - "huffyuv", - CODEC_TYPE_VIDEO, - CODEC_ID_HUFFYUV, - sizeof(HYuvContext), - decode_init, - NULL, - decode_end, - decode_frame, - CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND, - NULL -}; - -AVCodec ffvhuff_decoder = { - "ffvhuff", - CODEC_TYPE_VIDEO, - CODEC_ID_FFVHUFF, - sizeof(HYuvContext), - decode_init, - NULL, - decode_end, - decode_frame, - CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND, - NULL -}; -#endif - -#ifdef CONFIG_ENCODERS - -AVCodec huffyuv_encoder = { - "huffyuv", - CODEC_TYPE_VIDEO, - CODEC_ID_HUFFYUV, - sizeof(HYuvContext), - encode_init, - encode_frame, - encode_end, - .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_RGB32, -1}, -}; - -AVCodec ffvhuff_encoder = { - "ffvhuff", - CODEC_TYPE_VIDEO, - CODEC_ID_FFVHUFF, - sizeof(HYuvContext), - encode_init, - encode_frame, - encode_end, - .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_RGB32, -1}, -}; - -#endif //CONFIG_ENCODERS