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author | Michael Niedermayer <michaelni@gmx.at> | 2002-11-14 19:20:04 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2002-11-14 19:20:04 +0000 |
commit | 11f18fafcab80ef52391e6e29c5a1a8f6f22c4e3 (patch) | |
tree | 536c67a677f6aecf343d85251f933e7ab1885885 /libavcodec | |
parent | 5844544064d18f0fc738a5849b1c3b4a0ec8022a (diff) | |
download | ffmpeg-streaming-11f18fafcab80ef52391e6e29c5a1a8f6f22c4e3.zip ffmpeg-streaming-11f18fafcab80ef52391e6e29c5a1a8f6f22c4e3.tar.gz |
huffyuv
Originally committed as revision 1211 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/Makefile | 2 | ||||
-rw-r--r-- | libavcodec/allcodecs.c | 2 | ||||
-rw-r--r-- | libavcodec/avcodec.h | 24 | ||||
-rw-r--r-- | libavcodec/dsputil.c | 35 | ||||
-rw-r--r-- | libavcodec/dsputil.h | 5 | ||||
-rw-r--r-- | libavcodec/huffyuv.c | 978 | ||||
-rw-r--r-- | libavcodec/i386/dsputil_mmx.c | 48 |
7 files changed, 1091 insertions, 3 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index a79111d..4652aeb 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -16,7 +16,7 @@ OBJS= common.o utils.o mem.o allcodecs.o \ motion_est.o imgconvert.o imgresample.o msmpeg4.o \ mpeg12.o h263dec.o svq1.o rv10.o mpegaudiodec.o pcm.o simple_idct.o \ ratecontrol.o adpcm.o eval.o dv.o error_resilience.o \ - wmadec.o fft.o mdct.o mace.o + wmadec.o fft.o mdct.o mace.o huffyuv.o ASM_OBJS= # currently using liba52 for ac3 decoding diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index f07eff9..384326e 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -53,6 +53,7 @@ void avcodec_register_all(void) register_avcodec(&msmpeg4v3_encoder); register_avcodec(&wmv1_encoder); register_avcodec(&wmv2_encoder); + register_avcodec(&huffyuv_encoder); #endif /* CONFIG_ENCODERS */ register_avcodec(&rawvideo_codec); @@ -78,6 +79,7 @@ void avcodec_register_all(void) register_avcodec(&wmav2_decoder); register_avcodec(&mace3_decoder); register_avcodec(&mace6_decoder); + register_avcodec(&huffyuv_decoder); #ifdef CONFIG_AC3 register_avcodec(&ac3_decoder); #endif diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 3e7bb46..8ca71a0 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -5,8 +5,8 @@ #define LIBAVCODEC_VERSION_INT 0x000406 #define LIBAVCODEC_VERSION "0.4.6" -#define LIBAVCODEC_BUILD 4638 -#define LIBAVCODEC_BUILD_STR "4638" +#define LIBAVCODEC_BUILD 4639 +#define LIBAVCODEC_BUILD_STR "4639" enum CodecID { CODEC_ID_NONE, @@ -34,6 +34,7 @@ enum CodecID { CODEC_ID_WMAV2, CODEC_ID_MACE3, CODEC_ID_MACE6, + CODEC_ID_HUFFYUV, /* various pcm "codecs" */ CODEC_ID_PCM_S16LE, @@ -770,6 +771,23 @@ typedef struct AVCodecContext { * CPU features (i.e. MMX, SSE. ...) */ unsigned dsp_mask; + + /** + * bits per sample/pixel from the demuxer (needed for huffyuv) + * encoding; set by lavc + * decoding: set by user + */ + int bits_per_sample; + + /** + * prediction method (needed for huffyuv) + * encoding; set by user + * decoding: unused + */ + int prediction_method; +#define FF_PRED_LEFT 0 +#define FF_PRED_PLANE 1 +#define FF_PRED_MEDIAN 2 } AVCodecContext; typedef struct AVCodec { @@ -810,6 +828,7 @@ extern AVCodec msmpeg4v2_encoder; extern AVCodec msmpeg4v3_encoder; extern AVCodec wmv1_encoder; extern AVCodec wmv2_encoder; +extern AVCodec huffyuv_encoder; extern AVCodec h263_decoder; extern AVCodec mpeg4_decoder; @@ -831,6 +850,7 @@ extern AVCodec mp2_decoder; extern AVCodec mp3_decoder; extern AVCodec mace3_decoder; extern AVCodec mace6_decoder; +extern AVCodec huffyuv_decoder; /* pcm codecs */ #define PCM_CODEC(id, name) \ diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index affdfc5..5952d92 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -1342,6 +1342,38 @@ static void clear_blocks_c(DCTELEM *blocks) memset(blocks, 0, sizeof(DCTELEM)*6*64); } +static void add_bytes_c(uint8_t *dst, uint8_t *src, int w){ + int i; + for(i=0; i+7<w; i++){ + dst[i+0] += src[i+0]; + dst[i+1] += src[i+1]; + dst[i+2] += src[i+2]; + dst[i+3] += src[i+3]; + dst[i+4] += src[i+4]; + dst[i+5] += src[i+5]; + dst[i+6] += src[i+6]; + dst[i+7] += src[i+7]; + } + for(; i<w; i++) + dst[i+0] += src[i+0]; +} + +static void diff_bytes_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){ + int i; + for(i=0; i+7<w; i++){ + dst[i+0] = src1[i+0]-src2[i+0]; + dst[i+1] = src1[i+1]-src2[i+1]; + dst[i+2] = src1[i+2]-src2[i+2]; + dst[i+3] = src1[i+3]-src2[i+3]; + dst[i+4] = src1[i+4]-src2[i+4]; + dst[i+5] = src1[i+5]-src2[i+5]; + dst[i+6] = src1[i+6]-src2[i+6]; + dst[i+7] = src1[i+7]-src2[i+7]; + } + for(; i<w; i++) + dst[i+0] = src1[i+0]-src2[i+0]; +} + void dsputil_init(DSPContext* c, unsigned mask) { static int init_done = 0; @@ -1431,6 +1463,9 @@ void dsputil_init(DSPContext* c, unsigned mask) /* dspfunc(avg_no_rnd_qpel, 1, 8); */ #undef dspfunc + c->add_bytes= add_bytes_c; + c->diff_bytes= diff_bytes_c; + #ifdef HAVE_MMX dsputil_init_mmx(c, mask); if (ff_bit_exact) diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 2ff6fb9..4f036b0 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -117,6 +117,11 @@ typedef struct DSPContext { op_pixels_abs_func pix_abs8x8_x2; op_pixels_abs_func pix_abs8x8_y2; op_pixels_abs_func pix_abs8x8_xy2; + + /* huffyuv specific */ + //FIXME note: alignment isnt guranteed currently but could be if needed + void (*add_bytes)(uint8_t *dst/*align 16*/, uint8_t *src/*align 16*/, int w); + void (*diff_bytes)(uint8_t *dst/*align 16*/, uint8_t *src1/*align 16*/, uint8_t *src2/*align 16*/,int w); } DSPContext; void dsputil_init(DSPContext* p, unsigned mask); diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c new file mode 100644 index 0000000..ad8b814 --- /dev/null +++ b/libavcodec/huffyuv.c @@ -0,0 +1,978 @@ +/* + * huffyuv codec for libavcodec + * + * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at> + * + * This library 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. + * + * This library 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 + */ + +#include "common.h" +#include "avcodec.h" +#include "dsputil.h" + +#ifndef MAX_INT64 +#define MAX_INT64 9223372036854775807LL +#endif + +#define VLC_BITS 11 + +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 picture_number; + int linesize[3]; + uint8_t __align8 temp[3][2500]; + uint64_t stats[3][256]; + uint8_t len[3][256]; + uint32_t bits[3][256]; + VLC vlc[3]; + uint8_t __align8 *picture[3]; + uint8_t __align8 bitstream_buffer[1024*1024*3]; //FIXME dynamic alloc or some other solution + DSPContext dsp; +}HYuvContext; + +static inline void bswap_buf(uint32_t *dst, uint32_t *src, int w){ + int i; + + for(i=0; i+8<=w; i+=8){ + dst[i+0]= bswap_32(src[i+0]); + dst[i+1]= bswap_32(src[i+1]); + dst[i+2]= bswap_32(src[i+2]); + dst[i+3]= bswap_32(src[i+3]); + dst[i+4]= bswap_32(src[i+4]); + dst[i+5]= bswap_32(src[i+5]); + dst[i+6]= bswap_32(src[i+6]); + dst[i+7]= bswap_32(src[i+7]); + } + for(;i<w; i++){ + dst[i+0]= bswap_32(src[i+0]); + } +} + +static inline int add_left_prediction(uint8_t *dst, uint8_t *src, int w, int acc){ + int i; + + for(i=0; i<w-1; i++){ + acc+= src[i]; + dst[i]= acc; + i++; + acc+= src[i]; + dst[i]= acc; + } + + for(; i<w; i++){ + acc+= src[i]; + dst[i]= acc; + } + + return acc; +} + +static inline void add_median_prediction(uint8_t *dst, uint8_t *src1, uint8_t *diff, int w, int *left, int *left_top){ + int i; + uint8_t l, lt; + + l= *left; + lt= *left_top; + + for(i=0; i<w; i++){ + l= mid_pred(l, src1[i], (l + src1[i] - lt)&0xFF) + diff[i]; + lt= src1[i]; + dst[i]= l; + } + + *left= l; + *left_top= lt; +} +//FIXME optimize +static inline void sub_median_prediction(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w, int *left, int *left_top){ + int i; + uint8_t l, lt; + + l= *left; + lt= *left_top; + + for(i=0; i<w; i++){ + const int pred= mid_pred(l, src1[i], (l + src1[i] - lt)&0xFF); + lt= src1[i]; + l= src2[i]; + dst[i]= l - pred; + } + + *left= l; + *left_top= lt; +} + + +static inline void add_left_prediction_bgr32(uint8_t *dst, uint8_t *src, int w, int *red, int *green, int *blue){ + int i; + int r,g,b; + r= *red; + g= *green; + b= *blue; + + for(i=0; i<w; i++){ + b+= src[4*i+0]; + g+= src[4*i+1]; + r+= src[4*i+2]; + + dst[4*i+0]= b; + dst[4*i+1]= g; + dst[4*i+2]= r; + } + + *red= r; + *green= g; + *blue= b; +} + +//FIXME optimize +static inline int sub_left_prediction(uint8_t *dst, uint8_t *src, int w, int left){ + int i; + for(i=0; i<w; i++){ + const int temp= src[i]; + dst[i]= temp - left; + left= temp; + } + return left; +} + +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; + } +} + +static int generate_bits_table(uint32_t *dst, uint8_t *len_table){ + int len, index; + uint32_t bits=0; + + for(len=32; len>0; len--){ + int bit= 1<<(32-len); + for(index=0; index<256; index++){ + if(len_table[index]==len){ + if(bits & (bit-1)){ + fprintf(stderr, "Error generating huffman table\n"); + return -1; + } + dst[index]= bits>>(32-len); + bits+= bit; + } + } + } + return 0; +} + +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<size; i++){ + counts[i]= stats[i] + offset - 1; + } + + for(next=size; next<size*2; next++){ + uint64_t min1, min2; + int min1_i, min2_i; + + min1=min2= INT64_MAX; + min1_i= min2_i=-1; + + for(i=0; i<next; i++){ + if(min2 > 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]= MAX_INT64; + up[min1_i]= + up[min2_i]= next; + up[next]= -1; + } + + for(i=0; i<size; i++){ + int len; + int index=i; + + for(len=0; up[index] != -1; len++) + index= up[index]; + + if(len > 32) break; + + dst[i]= len; + } + if(i==size) break; + } +} + +static int read_huffman_tables(HYuvContext *s, uint8_t *src, int length){ + GetBitContext gb; + int i; + + init_get_bits(&gb, src, length); + + 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 + init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4); + } + + return 0; +} + +static int read_old_huffman_tables(HYuvContext *s){ +#if 0 + GetBitContext gb; + int i; + + init_get_bits(&gb, classic_shift_luma, sizeof(classic_shift_luma)); + read_len_table(s->len[0], &gb); + init_get_bits(&gb, classic_shift_chroma, sizeof(classic_shift_chroma)); + 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++) + init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4); + + return 0; +#else + fprintf(stderr, "v1 huffyuv is not supported \n"); + return -1; +#endif +} + +static int decode_init(AVCodecContext *avctx) +{ + HYuvContext *s = avctx->priv_data; + int width, height, y_size, c_size, stride; + + s->avctx= avctx; + s->flags= avctx->flags; + + dsputil_init(&s->dsp, avctx->dsp_mask); + + width= s->width= avctx->width; + height= s->height= avctx->height; +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) + s->version=1; // do such files exist at all? + else + s->version=2; + }else + s->version=0; + + if(s->version==2){ + int method; + + 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) + 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; + + if(read_old_huffman_tables(s) < 0) + return -1; + } + + s->interlaced= height > 288; + + c_size= 0; + switch(s->bitstream_bpp){ + case 12: + avctx->pix_fmt = PIX_FMT_YUV420P; + stride= (width+15)&~15; + c_size= height*stride/4; + break; + case 16: + if(s->yuy2){ + avctx->pix_fmt = PIX_FMT_YUV422; + stride= (width*2+15)&~15; + }else{ + avctx->pix_fmt = PIX_FMT_YUV422P; + stride= (width+15)&~15; + c_size= height*stride/2; + } + break; + case 24: + case 32: + if(s->bgr32){ + avctx->pix_fmt = PIX_FMT_BGRA32; + stride= (width*4+15)&~15; + }else{ + avctx->pix_fmt = PIX_FMT_BGR24; + stride= (width*3+15)&~15; + } + break; + default: + assert(0); + stride=0; //gcc fix + } + + y_size= height*stride; + + s->linesize[0]= stride; + s->picture[0]= av_mallocz(y_size); + + if(c_size){ + s->picture[1]= av_mallocz(c_size); + s->picture[2]= av_mallocz(c_size); + s->linesize[1]= s->linesize[2]= stride/2; + + memset(s->picture[1], 128, c_size); + memset(s->picture[2], 128, c_size); + } + +// printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_sample, s->interlaced); + + return 0; +} + +static void store_table(HYuvContext *s, uint8_t *len){ + int i; + int index= s->avctx->extradata_size; + + for(i=0; i<256;){ + int cur=i; + int val= len[i]; + int repeat; + + for(; i<256 && len[i]==val; i++); + + repeat= i - cur; + + if(repeat>7){ + ((uint8_t*)s->avctx->extradata)[index++]= val; + ((uint8_t*)s->avctx->extradata)[index++]= repeat; + }else{ + ((uint8_t*)s->avctx->extradata)[index++]= val | (repeat<<5); + } + } + + s->avctx->extradata_size= index; +} + +static int encode_init(AVCodecContext *avctx) +{ + HYuvContext *s = avctx->priv_data; + int i, j, width, height; + + s->avctx= avctx; + s->flags= avctx->flags; + + dsputil_init(&s->dsp, avctx->dsp_mask); + + 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); + s->version=2; + + switch(avctx->pix_fmt){ + case PIX_FMT_YUV422P: + s->bitstream_bpp= 16; + break; + default: + fprintf(stderr, "format not supported\n"); + return -1; + } + avctx->bits_per_sample= s->bitstream_bpp; + s->decorrelate= s->bitstream_bpp >= 24; + s->predictor= avctx->prediction_method; + + ((uint8_t*)avctx->extradata)[0]= s->predictor; + ((uint8_t*)avctx->extradata)[1]= s->bitstream_bpp; + ((uint8_t*)avctx->extradata)[2]= + ((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; + } + + store_table(s, s->len[i]); + } + + for(i=0; i<3; i++) + for(j=0; j<256; j++) + s->stats[i][j]= 0; + + s->interlaced= height > 288; + +// printf("pred:%d bpp:%d hbpp:%d il:%d\n", s->predictor, s->bitstream_bpp, avctx->bits_per_sample, s->interlaced); + + s->picture_number=0; + + return 0; +} + +static void decode_422_bitstream(HYuvContext *s, int count){ + int i; + + count/=2; + + for(i=0; i<count; i++){ + s->temp[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 encode_422_bitstream(HYuvContext *s, int count){ + int i; + + count/=2; + if(s->flags&CODEC_FLAG_PASS1){ + for(i=0; i<count; i++){ + s->stats[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 ] ]++; + } + }else{ + for(i=0; i<count; i++){ + put_bits(&s->pb, 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 ] ]); + } + } +} + +static void decode_bgr_bitstream(HYuvContext *s, int count){ + int i; + + if(s->decorrelate){ + if(s->bitstream_bpp==24){ + for(i=0; i<count; i++){ + s->temp[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; i<count; i++){ + s->temp[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); //?! + } + } + }else{ + if(s->bitstream_bpp==24){ + for(i=0; i<count; i++){ + s->temp[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; i<count; i++){ + s->temp[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); //?! + } + } + } +} + +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; + const int fake_ystride= s->interlaced ? s->linesize[0]*2 : s->linesize[0]; + const int fake_ustride= s->interlaced ? s->linesize[1]*2 : s->linesize[1]; + const int fake_vstride= s->interlaced ? s->linesize[2]*2 : s->linesize[2]; + int i; + + AVPicture *picture = data; + + *data_size = 0; + + /* no supplementary picture */ + if (buf_size == 0) + return 0; + + bswap_buf((uint32_t*)s->bitstream_buffer, (uint32_t*)buf, buf_size/4); + + init_get_bits(&s->gb, s->bitstream_buffer, buf_size); + + if(s->bitstream_bpp<24){ + int y; + int lefty, leftu, leftv; + int lefttopy, lefttopu, lefttopv; + + if(s->yuy2){ + s->picture[0][3]= get_bits(&s->gb, 8); + s->picture[0][2]= get_bits(&s->gb, 8); + s->picture[0][1]= get_bits(&s->gb, 8); + s->picture[0][0]= get_bits(&s->gb, 8); + + fprintf(stderr, "YUY2 output isnt implemenetd yet\n"); + return -1; + }else{ + + leftv= s->picture[2][0]= get_bits(&s->gb, 8); + lefty= s->picture[0][1]= get_bits(&s->gb, 8); + leftu= s->picture[1][0]= get_bits(&s->gb, 8); + s->picture[0][0]= get_bits(&s->gb, 8); + + switch(s->predictor){ + case LEFT: + case PLANE: + decode_422_bitstream(s, width-2); + lefty= add_left_prediction(s->picture[0] + 2, s->temp[0], width-2, lefty); + if(!(s->flags&CODEC_FLAG_GRAY)){ + leftu= add_left_prediction(s->picture[1] + 1, s->temp[1], width2-1, leftu); + leftv= add_left_prediction(s->picture[2] + 1, s->temp[2], width2-1, leftv); + } + + for(y=1; y<s->height; y++){ + uint8_t *ydst, *udst, *vdst; + decode_422_bitstream(s, width); + + ydst= s->picture[0] + s->linesize[0]*y; + udst= s->picture[1] + s->linesize[1]*y; + vdst= s->picture[2] + s->linesize[2]*y; + + 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(y>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); + } + } + } + } + break; + case MEDIAN: + /* first line except first 2 pixels is left predicted */ + decode_422_bitstream(s, width-2); + lefty= add_left_prediction(s->picture[0] + 2, s->temp[0], width-2, lefty); + if(!(s->flags&CODEC_FLAG_GRAY)){ + leftu= add_left_prediction(s->picture[1] + 1, s->temp[1], width2-1, leftu); + leftv= add_left_prediction(s->picture[2] + 1, s->temp[2], width2-1, leftv); + } + + y=1; + + /* second line is left predicted for interlaced case */ + if(s->interlaced){ + decode_422_bitstream(s, width); + lefty= add_left_prediction(s->picture[0] + s->linesize[0], s->temp[0], width, lefty); + if(!(s->flags&CODEC_FLAG_GRAY)){ + leftu= add_left_prediction(s->picture[1] + s->linesize[2], s->temp[1], width2, leftu); + leftv= add_left_prediction(s->picture[2] + s->linesize[1], s->temp[2], width2, leftv); + } + y++; + } + + /* next 4 pixels are left predicted too */ + decode_422_bitstream(s, 4); + lefty= add_left_prediction(s->picture[0] + fake_ystride, s->temp[0], 4, lefty); + if(!(s->flags&CODEC_FLAG_GRAY)){ + leftu= add_left_prediction(s->picture[1] + fake_ustride, s->temp[1], 2, leftu); + leftv= add_left_prediction(s->picture[2] + fake_vstride, s->temp[2], 2, leftv); + } + + /* next line except the first 4 pixels is median predicted */ + lefttopy= s->picture[0][3]; + decode_422_bitstream(s, width-4); + add_median_prediction(s->picture[0] + fake_ystride+4, s->picture[0]+4, s->temp[0], width-4, &lefty, &lefttopy); + if(!(s->flags&CODEC_FLAG_GRAY)){ + lefttopu= s->picture[1][1]; + lefttopv= s->picture[2][1]; + add_median_prediction(s->picture[1] + fake_ustride+2, s->picture[1]+2, s->temp[1], width2-2, &leftu, &lefttopu); + add_median_prediction(s->picture[2] + fake_vstride+2, s->picture[2]+2, s->temp[2], width2-2, &leftv, &lefttopv); + } + y++; + + for(; y<height; y++){ + uint8_t *ydst, *udst, *vdst; + decode_422_bitstream(s, width); + + ydst= s->picture[0] + s->linesize[0]*y; + udst= s->picture[1] + s->linesize[1]*y; + vdst= s->picture[2] + s->linesize[2]*y; + + 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); + } + } + break; + } + } + }else{ + int y; + int leftr, leftg, leftb; + const int last_line= (height-1)*s->linesize[0]; + + if(s->bitstream_bpp==32){ + s->picture[0][last_line+3]= get_bits(&s->gb, 8); + leftr= s->picture[0][last_line+2]= get_bits(&s->gb, 8); + leftg= s->picture[0][last_line+1]= get_bits(&s->gb, 8); + leftb= s->picture[0][last_line+0]= get_bits(&s->gb, 8); + }else{ + leftr= s->picture[0][last_line+2]= get_bits(&s->gb, 8); + leftg= s->picture[0][last_line+1]= get_bits(&s->gb, 8); + leftb= s->picture[0][last_line+0]= 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(s->picture[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(s->picture[0] + s->linesize[0]*y, s->temp[0], width, &leftr, &leftg, &leftb); + if(s->predictor == PLANE){ + if((y&s->interlaced)==0){ + s->dsp.add_bytes(s->picture[0] + s->linesize[0]*y, + s->picture[0] + s->linesize[0]*y + fake_ystride, fake_ystride); + } + } + } + break; + default: + fprintf(stderr, "prediction type not supported!\n"); + } + }else{ + + fprintf(stderr, "BGR24 output isnt implemenetd yet\n"); + return -1; + } + } + emms_c(); + + for(i=0;i<3;i++) { + picture->data[i] = s->picture[i]; + picture->linesize[i]= s->linesize[i]; + } + + *data_size = sizeof(AVPicture); + + return (get_bits_count(&s->gb)+7)>>3; +} + +static int decode_end(AVCodecContext *avctx) +{ + HYuvContext *s = avctx->priv_data; + int i; + + for(i=0; i<3; i++){ + av_freep(&s->picture[i]); + free_vlc(&s->vlc[i]); + } + + return 0; +} + +static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ + HYuvContext *s = avctx->priv_data; + AVPicture *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]; + int i, size; + + init_put_bits(&s->pb, buf, buf_size, NULL, NULL); + + for(i=0; i<3; i++){ + s->picture[i]= pict->data[i]; + s->linesize[i]= pict->linesize[i]; + } + + if(avctx->pix_fmt == PIX_FMT_YUV422P){ + int lefty, leftu, leftv, y; + + put_bits(&s->pb, 8, leftv= s->picture[2][0]); + put_bits(&s->pb, 8, lefty= s->picture[0][1]); + put_bits(&s->pb, 8, leftu= s->picture[1][0]); + put_bits(&s->pb, 8, s->picture[0][0]); + + lefty= sub_left_prediction(s->temp[0], s->picture[0]+2, width-2 , lefty); + leftu= sub_left_prediction(s->temp[1], s->picture[1]+1, width2-1, leftu); + leftv= sub_left_prediction(s->temp[2], s->picture[2]+1, width2-1, leftv); + + encode_422_bitstream(s, width-2); + + if(s->predictor==MEDIAN){ + int lefttopy, lefttopu, lefttopv; + y=1; + if(s->interlaced){ + lefty= sub_left_prediction(s->temp[0], s->picture[0]+s->linesize[0], width , lefty); + leftu= sub_left_prediction(s->temp[1], s->picture[1]+s->linesize[1], width2, leftu); + leftv= sub_left_prediction(s->temp[2], s->picture[2]+s->linesize[2], width2, leftv); + + encode_422_bitstream(s, width); + y++; + } + + lefty= sub_left_prediction(s->temp[0], s->picture[0]+fake_ystride, 4, lefty); + leftu= sub_left_prediction(s->temp[1], s->picture[1]+fake_ystride, 2, leftu); + leftv= sub_left_prediction(s->temp[2], s->picture[2]+fake_ystride, 2, leftv); + + encode_422_bitstream(s, 4); + + lefttopy= s->picture[0][3]; + lefttopu= s->picture[1][1]; + lefttopv= s->picture[2][1]; + sub_median_prediction(s->temp[0], s->picture[0]+4, s->picture[0] + fake_ystride+4, width-4 , &lefty, &lefttopy); + sub_median_prediction(s->temp[1], s->picture[1]+2, s->picture[1] + fake_ustride+2, width2-2, &leftu, &lefttopu); + sub_median_prediction(s->temp[2], s->picture[2]+2, s->picture[2] + fake_vstride+2, width2-2, &leftv, &lefttopv); + encode_422_bitstream(s, width-4); + y++; + + for(; y<height; y++){ + uint8_t *ydst, *udst, *vdst; + + ydst= s->picture[0] + s->linesize[0]*y; + udst= s->picture[1] + s->linesize[1]*y; + vdst= s->picture[2] + s->linesize[2]*y; + + 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); + + encode_422_bitstream(s, width); + } + }else{ + for(y=1; y<height; y++){ + uint8_t *ydst, *udst, *vdst; + + ydst= s->picture[0] + s->linesize[0]*y; + udst= s->picture[1] + s->linesize[1]*y; + vdst= s->picture[2] + s->linesize[2]*y; + + if(s->predictor == PLANE && s->interlaced < y){ + s->dsp.diff_bytes(s->temp[0], ydst, ydst - fake_ystride, width); + s->dsp.diff_bytes(s->temp[1], udst, udst - fake_ustride, width2); + s->dsp.diff_bytes(s->temp[2], vdst, vdst - fake_vstride, width2); + + lefty= sub_left_prediction(s->temp[0], s->temp[0], width , lefty); + leftu= sub_left_prediction(s->temp[1], s->temp[1], width2, leftu); + leftv= sub_left_prediction(s->temp[2], s->temp[2], width2, leftv); + }else{ + lefty= sub_left_prediction(s->temp[0], ydst, width , lefty); + leftu= sub_left_prediction(s->temp[1], udst, width2, leftu); + leftv= sub_left_prediction(s->temp[2], vdst, width2, leftv); + } + + encode_422_bitstream(s, width); + } + } + }else{ + fprintf(stderr, "Format not supported!\n"); + } + emms_c(); + + size= (get_bit_count(&s->pb)+31)/32; + + if((s->flags&CODEC_FLAG_PASS1) && (s->picture_number&31)==0){ + int j; + char *p= avctx->stats_out; + for(i=0; i<3; i++){ + for(j=0; j<256; j++){ + sprintf(p, "%Ld ", s->stats[i][j]); + p+= strlen(p); + s->stats[i][j]= 0; + } + sprintf(p, "\n"); + p++; + } + }else{ + bswap_buf((uint32_t*)buf, (uint32_t*)buf, size); + } + + avctx->key_frame= 1; + avctx->pict_type= I_TYPE; + + s->picture_number++; + + return size*4; +} + +static int encode_end(AVCodecContext *avctx) +{ +// HYuvContext *s = avctx->priv_data; + + av_freep(&avctx->extradata); + av_freep(&avctx->stats_out); + + return 0; +} + +AVCodec huffyuv_decoder = { + "huffyuv", + CODEC_TYPE_VIDEO, + CODEC_ID_HUFFYUV, + sizeof(HYuvContext), + decode_init, + NULL, + decode_end, + decode_frame, + 0, + NULL +}; + +AVCodec huffyuv_encoder = { + "huffyuv", + CODEC_TYPE_VIDEO, + CODEC_ID_HUFFYUV, + sizeof(HYuvContext), + encode_init, + encode_frame, + encode_end, +}; diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c index 94b88b7..12a3601 100644 --- a/libavcodec/i386/dsputil_mmx.c +++ b/libavcodec/i386/dsputil_mmx.c @@ -453,6 +453,51 @@ static int pix_sum16_mmx(UINT8 * pix, int line_size){ return sum; } +static void add_bytes_mmx(uint8_t *dst, uint8_t *src, int w){ + int i=0; + asm volatile( + "1: \n\t" + "movq (%1, %0), %%mm0 \n\t" + "movq (%2, %0), %%mm1 \n\t" + "paddb %%mm0, %%mm1 \n\t" + "movq %%mm1, (%2, %0) \n\t" + "movq 8(%1, %0), %%mm0 \n\t" + "movq 8(%2, %0), %%mm1 \n\t" + "paddb %%mm0, %%mm1 \n\t" + "movq %%mm1, 8(%2, %0) \n\t" + "addl $16, %0 \n\t" + "cmpl %3, %0 \n\t" + " jb 1b \n\t" + : "+r" (i) + : "r"(src), "r"(dst), "r"(w-15) + ); + for(; i<w; i++) + dst[i+0] += src[i+0]; +} + +static void diff_bytes_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){ + int i=0; + asm volatile( + "1: \n\t" + "movq (%2, %0), %%mm0 \n\t" + "movq (%1, %0), %%mm1 \n\t" + "psubb %%mm0, %%mm1 \n\t" + "movq %%mm1, (%3, %0) \n\t" + "movq 8(%2, %0), %%mm0 \n\t" + "movq 8(%1, %0), %%mm1 \n\t" + "psubb %%mm0, %%mm1 \n\t" + "movq %%mm1, 8(%3, %0) \n\t" + "addl $16, %0 \n\t" + "cmpl %4, %0 \n\t" + " jb 1b \n\t" + : "+r" (i) + : "r"(src1), "r"(src2), "r"(dst), "r"(w-15) + ); + for(; i<w; i++) + dst[i+0] = src1[i+0]-src2[i+0]; +} + + #if 0 static void just_return() { return; } #endif @@ -531,6 +576,9 @@ void dsputil_init_mmx(DSPContext* c, unsigned mask) c->avg_no_rnd_pixels_tab[1][1] = avg_no_rnd_pixels8_x2_mmx; c->avg_no_rnd_pixels_tab[1][2] = avg_no_rnd_pixels8_y2_mmx; c->avg_no_rnd_pixels_tab[1][3] = avg_no_rnd_pixels8_xy2_mmx; + + c->add_bytes= add_bytes_mmx; + c->diff_bytes= diff_bytes_mmx; if (mm_flags & MM_MMXEXT) { c->pix_abs16x16 = pix_abs16x16_mmx2; |