X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fhuffyuv.c;h=f81a042c7fae24bedc78e1b6ed33756cb2e36082;hb=0f999cfddb0746602288eabddf38679fd25a2ff7;hp=7970cd34c5e89e38b345647a6f953ac03515a435;hpb=3bb07d616556f6489ce3aab1a5ec6b6dfbbd6217;p=ffmpeg diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c index 7970cd34c5e..f81a042c7fa 100644 --- a/libavcodec/huffyuv.c +++ b/libavcodec/huffyuv.c @@ -3,45 +3,57 @@ * * Copyright (c) 2002-2003 Michael Niedermayer * - * This library is free software; you can redistribute it and/or + * see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of + * the algorithm used + * + * This file is part of FFmpeg. + * + * FFmpeg 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 of the License, or (at your option) any later version. + * version 2.1 of the License, or (at your option) any later version. * - * This library is distributed in the hope that it will be useful, + * FFmpeg 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 this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * see http://www.pcisys.net/~melanson/codecs/huffyuv.txt for a description of - * the algorithm used + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ - + /** - * @file huffyuv.c + * @file * huffyuv codec for libavcodec. */ -#include "common.h" #include "avcodec.h" +#include "get_bits.h" +#include "put_bits.h" #include "dsputil.h" - -#ifndef INT64_MAX -#define INT64_MAX 9223372036854775807LL -#endif +#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; @@ -55,16 +67,19 @@ typedef struct HYuvContext{ int bgr32; //use bgr32 instead of bgr24 int width, height; int flags; + int context; int picture_number; int last_slice_end; - uint8_t __align8 temp[3][2500]; + uint8_t *temp[3]; uint64_t stats[3][256]; uint8_t len[3][256]; uint32_t bits[3][256]; - VLC vlc[3]; + uint32_t pix_bgr_map[1<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){ 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) { + av_log(NULL, AV_LOG_ERROR, "Error reading huffman table\n"); + return -1; + } while (repeat--) dst[i++] = val; } + return 0; } -static int generate_bits_table(uint32_t *dst, uint8_t *len_table){ +static int generate_bits_table(uint32_t *dst, const uint8_t *len_table){ int len, index; uint32_t bits=0; @@ -238,7 +204,7 @@ static int generate_bits_table(uint32_t *dst, uint8_t *len_table){ dst[index]= bits++; } if(bits & 1){ - fprintf(stderr, "Error generating huffman table\n"); + av_log(NULL, AV_LOG_ERROR, "Error generating huffman table\n"); return -1; } bits >>= 1; @@ -246,71 +212,143 @@ static int generate_bits_table(uint32_t *dst, uint8_t *len_table){ return 0; } -static void generate_len_table(uint8_t *dst, uint64_t *stats, int size){ - uint64_t counts[2*size]; - int up[2*size]; +#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) +{ + 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; } - - for(next=size; next counts[i]){ - if(min1 > counts[i]){ - min2= min1; - min2_i= min1_i; - min1= counts[i]; - min1_i= i; + 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++; + } + } + free_vlc(&s->vlc[3+p]); + 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{ - min2= counts[i]; - min2_i= i; + map[i][B] = g; + map[i][G] = b; + map[i][R] = r; } + 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; + 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, 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); - + for(i=0; i<3; i++){ - read_len_table(s->len[i], &gb); - + if(read_len_table(s->len[i], &gb)<0) + return -1; if(generate_bits_table(s->bits[i], s->len[i])<0){ return -1; } @@ -319,10 +357,13 @@ for(j=0; j<256; j++){ printf("%6X, %2d, %3d\n", s->bits[i][j], s->len[i][j], j); } #endif - init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4); + 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; + + generate_joint_tables(s); + + return (get_bits_count(&gb)+7)/8; } static int read_old_huffman_tables(HYuvContext *s){ @@ -331,10 +372,12 @@ static int read_old_huffman_tables(HYuvContext *s){ int i; init_get_bits(&gb, classic_shift_luma, sizeof(classic_shift_luma)*8); - read_len_table(s->len[0], &gb); + if(read_len_table(s->len[0], &gb)<0) + return -1; init_get_bits(&gb, classic_shift_chroma, sizeof(classic_shift_chroma)*8); - read_len_table(s->len[1], &gb); - + 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]; @@ -344,57 +387,90 @@ static int read_old_huffman_tables(HYuvContext *s){ } 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++) - init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4); - + + 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); + } + + generate_joint_tables(s); + return 0; #else - fprintf(stderr, "v1 huffyuv is not supported \n"); + av_log(s->avctx, AV_LOG_DEBUG, "v1 huffyuv is not supported \n"); return -1; #endif } -static int decode_init(AVCodecContext *avctx) -{ +static av_cold void alloc_temp(HYuvContext *s){ + int i; + + if(s->bitstream_bpp<24){ + for(i=0; i<3; i++){ + s->temp[i]= av_malloc(s->width + 16); + } + }else{ + s->temp[0]= av_mallocz(4*s->width + 16); + } +} + +static av_cold int common_init(AVCodecContext *avctx){ HYuvContext *s = avctx->priv_data; - int width, height; s->avctx= avctx; s->flags= avctx->flags; - + dsputil_init(&s->dsp, avctx); - - width= s->width= avctx->width; - height= s->height= avctx->height; + + 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; - assert(width && height); //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) + 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; + 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_sample&~7; - - if(read_huffman_tables(s, ((uint8_t*)avctx->extradata)+4, avctx->extradata_size) < 0) + 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_sample&7){ + switch(avctx->bits_per_coded_sample&7){ case 1: s->predictor= LEFT; s->decorrelate= 0; @@ -405,7 +481,7 @@ s->bgr32=1; break; case 3: s->predictor= PLANE; - s->decorrelate= avctx->bits_per_sample >= 24; + s->decorrelate= avctx->bits_per_coded_sample >= 24; break; case 4: s->predictor= MEDIAN; @@ -416,21 +492,20 @@ s->bgr32=1; s->decorrelate= 0; break; } - s->bitstream_bpp= avctx->bits_per_sample & ~7; - + s->bitstream_bpp= avctx->bits_per_coded_sample & ~7; + s->context= 0; + if(read_old_huffman_tables(s) < 0) return -1; } - - s->interlaced= height > 288; - + switch(s->bitstream_bpp){ case 12: avctx->pix_fmt = PIX_FMT_YUV420P; break; case 16: if(s->yuy2){ - avctx->pix_fmt = PIX_FMT_YUV422; + avctx->pix_fmt = PIX_FMT_YUYV422; }else{ avctx->pix_fmt = PIX_FMT_YUV422P; } @@ -438,7 +513,7 @@ s->bgr32=1; case 24: case 32: if(s->bgr32){ - avctx->pix_fmt = PIX_FMT_RGBA32; + avctx->pix_fmt = PIX_FMT_RGB32; }else{ avctx->pix_fmt = PIX_FMT_BGR24; } @@ -446,85 +521,129 @@ s->bgr32=1; default: assert(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); + +// 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 void store_table(HYuvContext *s, uint8_t *len){ +static av_cold int decode_init_thread_copy(AVCodecContext *avctx) +{ + HYuvContext *s = avctx->priv_data; int i; - int index= s->avctx->extradata_size; + + 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 cur=i; int val= len[i]; - int repeat; - - for(; i<256 && len[i]==val; i++); - - repeat= i - cur; - + int repeat=0; + + for(; i<256 && len[i]==val && repeat<255; i++) + repeat++; + + assert(val < 32 && val >0 && repeat<256 && repeat>0); if(repeat>7){ - ((uint8_t*)s->avctx->extradata)[index++]= val; - ((uint8_t*)s->avctx->extradata)[index++]= repeat; + buf[index++]= val; + buf[index++]= repeat; }else{ - ((uint8_t*)s->avctx->extradata)[index++]= val | (repeat<<5); + buf[index++]= val | (repeat<<5); } } - - s->avctx->extradata_size= index; + + return index; } -static int encode_init(AVCodecContext *avctx) +static av_cold int encode_init(AVCodecContext *avctx) { HYuvContext *s = avctx->priv_data; - int i, j, width, height; + int i, j; - s->avctx= avctx; - s->flags= avctx->flags; - - dsputil_init(&s->dsp, avctx); - - width= s->width= avctx->width; - height= s->height= avctx->height; - - assert(width && height); - - avctx->extradata= av_mallocz(1024*10); - avctx->stats_out= av_mallocz(1024*10); + 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: - if(avctx->strict_std_compliance>=0){ - fprintf(stderr, "YV12-huffyuv is experimental, there WILL be no compatbility! (use (v)strict=-1)\n"); - return -1; - } s->bitstream_bpp= 12; break; case PIX_FMT_YUV422P: s->bitstream_bpp= 16; break; + case PIX_FMT_RGB32: + s->bitstream_bpp= 24; + break; default: - fprintf(stderr, "format not supported\n"); + av_log(avctx, AV_LOG_ERROR, "format not supported\n"); return -1; } - avctx->bits_per_sample= s->bitstream_bpp; + avctx->bits_per_coded_sample= s->bitstream_bpp; s->decorrelate= s->bitstream_bpp >= 24; s->predictor= avctx->prediction_method; - - ((uint8_t*)avctx->extradata)[0]= s->predictor; + 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]= + ((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; @@ -537,7 +656,7 @@ static int encode_init(AVCodecContext *avctx) 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; } @@ -545,142 +664,277 @@ static int encode_init(AVCodecContext *avctx) 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); + generate_len_table(s->len[i], s->stats[i]); if(generate_bits_table(s->bits[i], s->len[i])<0){ return -1; } - - store_table(s, s->len[i]); + + s->avctx->extradata_size+= + store_table(s, s->len[i], &((uint8_t*)s->avctx->extradata)[s->avctx->extradata_size]); } - for(i=0; i<3; i++) - for(j=0; j<256; j++) - s->stats[i][j]= 0; - - s->interlaced= height > 288; + 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); +// 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; - - 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); + + if(count >= (get_bits_left(&s->gb))/(31*4)){ + for(i=0; igb) < s->gb.size_in_bits; 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; - - 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); + + if(count >= (get_bits_left(&s->gb))/(31*2)){ + for(i=0; igb) < s->gb.size_in_bits; 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); + } } } -static void encode_422_bitstream(HYuvContext *s, int count){ +#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][ 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 ] ]++; + LOAD4; + s->stats[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][ 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 ] ]); + 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]); + 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 void 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){ + 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; istats[0][ s->temp[0][2*i ] ]++; - s->stats[0][ s->temp[0][2*i+1] ]++; + LOAD2; + STAT2; + } + } + if(s->avctx->flags2&CODEC_FLAG2_NO_OUTPUT) + return 0; + + if(s->context){ + 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] ]); + LOAD2; + WRITE2; } } + return 0; } +#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */ -static void decode_bgr_bitstream(HYuvContext *s, int count){ +static av_always_inline void decode_bgr_1(HYuvContext *s, int count, int decorrelate, int alpha){ int i; + 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){ - for(i=0; itemp[0][4*i+1]= get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3); - s->temp[0][4*i ]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3) + s->temp[0][4*i+1]; - s->temp[0][4*i+2]= get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3) + s->temp[0][4*i+1]; - } - }else{ - for(i=0; itemp[0][4*i+1]= get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3); - s->temp[0][4*i ]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3) + s->temp[0][4*i+1]; - s->temp[0][4*i+2]= get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3) + s->temp[0][4*i+1]; - get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); //?! - } + 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; ibitstream_bpp==24){ - for(i=0; itemp[0][4*i ]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3); - s->temp[0][4*i+1]= get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3); - s->temp[0][4*i+2]= get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); - } - }else{ - for(i=0; itemp[0][4*i ]= get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3); - s->temp[0][4*i+1]= get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3); - s->temp[0][4*i+2]= get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); - get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); //?! - } + for(i=0; iavctx->draw_horiz_band==NULL) + + 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{ @@ -694,84 +948,95 @@ static void draw_slice(HYuvContext *s, int y){ 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){ +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; - *data_size = 0; - - /* no supplementary picture */ - if (buf_size == 0) - return 0; + av_fast_malloc(&s->bitstream_buffer, &s->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE); + if (!s->bitstream_buffer) + return AVERROR(ENOMEM); - s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer, (uint32_t*)buf, buf_size/4); - - init_get_bits(&s->gb, s->bitstream_buffer, buf_size*8); + 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]) - avctx->release_buffer(avctx, p); + ff_thread_release_buffer(avctx, p); p->reference= 0; - if(avctx->get_buffer(avctx, p) < 0){ - fprintf(stderr, "get_buffer() failed\n"); + 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); - - fprintf(stderr, "YUY2 output isnt implemenetd yet\n"); + + 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); + lefty= s->dsp.add_hfyu_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); + 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= add_left_prediction(ydst, s->temp[0], width, lefty); + 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); @@ -779,18 +1044,18 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8 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); + lefty= s->dsp.add_hfyu_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); + 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){ @@ -803,50 +1068,50 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8 } } 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); + lefty= s->dsp.add_hfyu_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); + 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= add_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty); + 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= 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); + 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= add_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty); + lefty= s->dsp.add_hfyu_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); + 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); - add_median_prediction(p->data[0] + fake_ystride+4, p->data[0]+4, s->temp[0], width-4, &lefty, &lefttopy); + 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]; - 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); + 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 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); + s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy); y++; } if(y>=height) break; @@ -867,10 +1132,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8 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); + s->dsp.add_hfyu_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); + 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); } } @@ -880,72 +1145,91 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8 } }else{ int y; - int leftr, leftg, leftb; + int leftr, leftg, leftb, lefta; const int last_line= (height-1)*p->linesize[0]; - + if(s->bitstream_bpp==32){ - p->data[0][last_line+3]= get_bits(&s->gb, 8); - leftr= p->data[0][last_line+2]= get_bits(&s->gb, 8); - leftg= p->data[0][last_line+1]= get_bits(&s->gb, 8); - leftb= p->data[0][last_line+0]= get_bits(&s->gb, 8); + 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+2]= get_bits(&s->gb, 8); - leftg= p->data[0][last_line+1]= get_bits(&s->gb, 8); - leftb= p->data[0][last_line+0]= 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); + 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); - add_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width-1, &leftr, &leftg, &leftb); + 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 its stored upside down + for(y=s->height-2; y>=0; y--){ //Yes it is 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); + + 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((y&s->interlaced)==0){ - s->dsp.add_bytes(p->data[0] + p->linesize[0]*y, + 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 isnt possible in reverse order + draw_slice(s, height); // just 1 large slice as this is not possible in reverse order break; default: - fprintf(stderr, "prediction type not supported!\n"); + av_log(avctx, AV_LOG_ERROR, "prediction type not supported!\n"); } }else{ - fprintf(stderr, "BGR24 output isnt implemenetd yet\n"); + 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; + + 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; -static int decode_end(AVCodecContext *avctx) + 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; - - for(i=0; i<3; 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++){ free_vlc(&s->vlc[i]); } - - avcodec_default_free_buffers(avctx); return 0; } +#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */ +#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ HYuvContext *s = avctx->priv_data; AVFrame *pict = data; @@ -956,14 +1240,27 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, 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, size; + int i, j, size=0; - init_put_bits(&s->pb, buf, buf_size, NULL, NULL); - *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]); + 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; @@ -971,13 +1268,13 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, 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); - + + 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; @@ -985,33 +1282,33 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, 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); + + 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_ystride, 2, leftu); - leftv= sub_left_prediction(s, s->temp[2], p->data[2]+fake_ystride, 2, leftv); - - encode_422_bitstream(s, 4); + 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]; - sub_median_prediction(s->temp[0], p->data[0]+4, p->data[0] + fake_ystride+4, width-4 , &lefty, &lefttopy); - sub_median_prediction(s->temp[1], p->data[1]+2, p->data[1] + fake_ustride+2, width2-2, &leftu, &lefttopu); - sub_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); + 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; - sub_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy); + s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy); encode_gray_bitstream(s, width); y++; } @@ -1021,16 +1318,16 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, udst= p->data[1] + p->linesize[1]*cy; vdst= p->data[2] + p->linesize[2]*cy; - sub_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy); - sub_median_prediction(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu); - sub_median_prediction(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv); + 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); + encode_422_bitstream(s, 0, width); } }else{ for(cy=y=1; ybitstream_bpp==12){ ydst= p->data[0] + p->linesize[0]*y; @@ -1046,7 +1343,7 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, 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; @@ -1054,89 +1351,151 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, 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[3], vdst, vdst - fake_vstride, 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[3], width2, leftv); + 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); + 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{ - fprintf(stderr, "Format not supported!\n"); + av_log(avctx, AV_LOG_ERROR, "Format not supported!\n"); } emms_c(); - - size= (get_bit_count(&s->pb)+31)/32; - + + 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++){ - sprintf(p, "%llu ", s->stats[i][j]); + snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]); p+= strlen(p); s->stats[i][j]= 0; } - sprintf(p, "\n"); + snprintf(p, end-p, "\n"); p++; } - }else{ + } 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*)buf, (uint32_t*)buf, size); } - + s->picture_number++; return size*4; } -static int encode_end(AVCodecContext *avctx) +static av_cold int encode_end(AVCodecContext *avctx) { -// HYuvContext *s = avctx->priv_data; + 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 */ -static const AVOption huffyuv_options[] = -{ - AVOPTION_CODEC_INT("prediction_method", "prediction_method", prediction_method, 0, 2, 0), - AVOPTION_END() -}; - -AVCodec huffyuv_decoder = { +#if CONFIG_HUFFYUV_DECODER +AVCodec ff_huffyuv_decoder = { "huffyuv", - CODEC_TYPE_VIDEO, + AVMEDIA_TYPE_VIDEO, CODEC_ID_HUFFYUV, sizeof(HYuvContext), decode_init, NULL, decode_end, decode_frame, - CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND, - NULL + CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_FRAME_THREADS, + NULL, + .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), + .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"), }; +#endif -#ifdef CONFIG_ENCODERS +#if CONFIG_FFVHUFF_DECODER +AVCodec ff_ffvhuff_decoder = { + "ffvhuff", + AVMEDIA_TYPE_VIDEO, + CODEC_ID_FFVHUFF, + sizeof(HYuvContext), + decode_init, + NULL, + decode_end, + decode_frame, + CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_FRAME_THREADS, + NULL, + .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), + .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"), +}; +#endif -AVCodec huffyuv_encoder = { +#if CONFIG_HUFFYUV_ENCODER +AVCodec ff_huffyuv_encoder = { "huffyuv", - CODEC_TYPE_VIDEO, + AVMEDIA_TYPE_VIDEO, CODEC_ID_HUFFYUV, sizeof(HYuvContext), encode_init, encode_frame, encode_end, - .options = huffyuv_options, + .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_RGB32, PIX_FMT_NONE}, + .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"), }; +#endif -#endif //CONFIG_ENCODERS +#if CONFIG_FFVHUFF_ENCODER +AVCodec ff_ffvhuff_encoder = { + "ffvhuff", + AVMEDIA_TYPE_VIDEO, + CODEC_ID_FFVHUFF, + sizeof(HYuvContext), + encode_init, + encode_frame, + 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