From 2ca5ca2957607cf9604cc6068a9ebc898ff37b06 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Thu, 6 Dec 2012 14:06:46 +0100 Subject: huffyuv: split encoder and decoder into separate files. --- libavcodec/huffyuv.c | 1434 +------------------------------------------------- 1 file changed, 14 insertions(+), 1420 deletions(-) (limited to 'libavcodec/huffyuv.c') diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c index 511b326698..58559f1821 100644 --- a/libavcodec/huffyuv.c +++ b/libavcodec/huffyuv.c @@ -28,184 +28,15 @@ * huffyuv codec for libavcodec. */ -#include "avcodec.h" -#include "get_bits.h" -#include "put_bits.h" -#include "dsputil.h" -#include "thread.h" -#include "huffman.h" - -#define VLC_BITS 11 - -#if HAVE_BIGENDIAN -#define B 3 -#define G 2 -#define R 1 -#define A 0 -#else -#define B 0 -#define G 1 -#define R 2 -#define A 3 -#endif - -typedef enum Predictor { - LEFT= 0, - PLANE, - MEDIAN, -} Predictor; - -typedef struct HYuvContext { - AVCodecContext *avctx; - Predictor predictor; - GetBitContext gb; - PutBitContext pb; - int interlaced; - int decorrelate; - int bitstream_bpp; - int version; - int yuy2; //use yuy2 instead of 422P - int bgr32; //use bgr32 instead of bgr24 - int width, height; - int flags; - int context; - int picture_number; - int last_slice_end; - uint8_t *temp[3]; - uint64_t stats[3][256]; - uint8_t len[3][256]; - uint32_t bits[3][256]; - uint32_t pix_bgr_map[1<dsp.diff_bytes(dst + 16, src + 16, src + 15, w - 16); - return src[w-1]; - } -} +#include -static inline void sub_left_prediction_bgr32(HYuvContext *s, uint8_t *dst, - uint8_t *src, int w, - int *red, int *green, int *blue) -{ - int i; - int r,g,b; - r = *red; - g = *green; - b = *blue; - - for (i = 0; i < FFMIN(w, 4); i++) { - const int rt = src[i * 4 + R]; - const int gt = src[i * 4 + G]; - const int bt = src[i * 4 + B]; - dst[i * 4 + R] = rt - r; - dst[i * 4 + G] = gt - g; - dst[i * 4 + B] = bt - b; - r = rt; - g = gt; - b = bt; - } - - s->dsp.diff_bytes(dst + 16, src + 16, src + 12, w * 4 - 16); +#include "libavutil/mem.h" - *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); - if (i + repeat > 256 || get_bits_left(gb) < 0) { - av_log(NULL, AV_LOG_ERROR, "Error reading huffman table\n"); - return -1; - } - while (repeat--) - dst[i++] = val; - } - return 0; -} +#include "avcodec.h" +#include "dsputil.h" +#include "huffyuv.h" -static int generate_bits_table(uint32_t *dst, const uint8_t *len_table) +int ff_huffyuv_generate_bits_table(uint32_t *dst, const uint8_t *len_table) { int len, index; uint32_t bits = 0; @@ -224,150 +55,25 @@ static int generate_bits_table(uint32_t *dst, const uint8_t *len_table) return 0; } -static void generate_joint_tables(HYuvContext *s) -{ - uint16_t symbols[1 << VLC_BITS]; - uint16_t bits[1 << VLC_BITS]; - uint8_t len[1 << VLC_BITS]; - if (s->bitstream_bpp < 24) { - int p, i, y, u; - for (p = 0; p < 3; p++) { - for (i = y = 0; y < 256; y++) { - int len0 = s->len[0][y]; - int limit = VLC_BITS - len0; - if(limit <= 0) - continue; - for (u = 0; u < 256; u++) { - int len1 = s->len[p][u]; - if (len1 > limit) - continue; - len[i] = len0 + len1; - bits[i] = (s->bits[0][y] << len1) + s->bits[p][u]; - symbols[i] = (y << 8) + u; - if(symbols[i] != 0xffff) // reserved to mean "invalid" - i++; - } - } - ff_free_vlc(&s->vlc[3 + p]); - ff_init_vlc_sparse(&s->vlc[3 + p], VLC_BITS, i, len, 1, 1, - bits, 2, 2, symbols, 2, 2, 0); - } - } else { - uint8_t (*map)[4] = (uint8_t(*)[4])s->pix_bgr_map; - int i, b, g, r, code; - int p0 = s->decorrelate; - int p1 = !s->decorrelate; - // restrict the range to +/-16 because that's pretty much guaranteed to - // cover all the combinations that fit in 11 bits total, and it doesn't - // matter if we miss a few rare codes. - for (i = 0, g = -16; g < 16; g++) { - int len0 = s->len[p0][g & 255]; - int limit0 = VLC_BITS - len0; - if (limit0 < 2) - continue; - for (b = -16; b < 16; b++) { - int len1 = s->len[p1][b & 255]; - int limit1 = limit0 - len1; - if (limit1 < 1) - continue; - code = (s->bits[p0][g & 255] << len1) + s->bits[p1][b & 255]; - for (r = -16; r < 16; r++) { - int len2 = s->len[2][r & 255]; - if (len2 > limit1) - continue; - len[i] = len0 + len1 + len2; - bits[i] = (code << len2) + s->bits[2][r & 255]; - if (s->decorrelate) { - map[i][G] = g; - map[i][B] = g + b; - map[i][R] = g + r; - } else { - map[i][B] = g; - map[i][G] = b; - map[i][R] = r; - } - i++; - } - } - } - ff_free_vlc(&s->vlc[3]); - init_vlc(&s->vlc[3], VLC_BITS, i, len, 1, 1, bits, 2, 2, 0); - } -} - -static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length) -{ - GetBitContext gb; - int i; - - init_get_bits(&gb, src, length * 8); - - for (i = 0; i < 3; i++) { - if (read_len_table(s->len[i], &gb) < 0) - return -1; - if (generate_bits_table(s->bits[i], s->len[i]) < 0) { - return -1; - } - ff_free_vlc(&s->vlc[i]); - init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, - s->bits[i], 4, 4, 0); - } - - generate_joint_tables(s); - - return (get_bits_count(&gb) + 7) / 8; -} - -static int read_old_huffman_tables(HYuvContext *s) -{ - GetBitContext gb; - int i; - - init_get_bits(&gb, classic_shift_luma, - classic_shift_luma_table_size * 8); - if (read_len_table(s->len[0], &gb) < 0) - return -1; - - init_get_bits(&gb, classic_shift_chroma, - classic_shift_chroma_table_size * 8); - if (read_len_table(s->len[1], &gb) < 0) - return -1; - - for(i=0; i<256; i++) s->bits[0][i] = classic_add_luma [i]; - for(i=0; i<256; i++) s->bits[1][i] = classic_add_chroma[i]; - - if (s->bitstream_bpp >= 24) { - memcpy(s->bits[1], s->bits[0], 256 * sizeof(uint32_t)); - memcpy(s->len[1] , s->len [0], 256 * sizeof(uint8_t)); - } - memcpy(s->bits[2], s->bits[1], 256 * sizeof(uint32_t)); - memcpy(s->len[2] , s->len [1], 256 * sizeof(uint8_t)); - - for (i = 0; i < 3; i++) { - ff_free_vlc(&s->vlc[i]); - init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, - s->bits[i], 4, 4, 0); - } - - generate_joint_tables(s); - - return 0; -} - -static av_cold 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++) { s->temp[i]= av_malloc(s->width + 16); + if (!s->temp[i]) + return AVERROR(ENOMEM); } } else { s->temp[0]= av_mallocz(4*s->width + 16); + if (!s->temp[0]) + return AVERROR(ENOMEM); } + return 0; } -static av_cold int common_init(AVCodecContext *avctx) +av_cold void ff_huffyuv_common_init(AVCodecContext *avctx) { HYuvContext *s = avctx->priv_data; @@ -379,1125 +85,13 @@ static av_cold int common_init(AVCodecContext *avctx) s->width = avctx->width; s->height = avctx->height; assert(s->width>0 && s->height>0); - - return 0; -} - -#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER -static av_cold int decode_init(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - - common_init(avctx); - memset(s->vlc, 0, 3 * sizeof(VLC)); - - avctx->coded_frame = &s->picture; - s->interlaced = s->height > 288; - - s->bgr32 = 1; - - if (avctx->extradata_size) { - if ((avctx->bits_per_coded_sample & 7) && - avctx->bits_per_coded_sample != 12) - s->version = 1; // do such files exist at all? - else - s->version = 2; - } else - s->version = 0; - - if (s->version == 2) { - int method, interlace; - - if (avctx->extradata_size < 4) - return -1; - - method = ((uint8_t*)avctx->extradata)[0]; - s->decorrelate = method & 64 ? 1 : 0; - s->predictor = method & 63; - s->bitstream_bpp = ((uint8_t*)avctx->extradata)[1]; - if (s->bitstream_bpp == 0) - s->bitstream_bpp = avctx->bits_per_coded_sample & ~7; - interlace = (((uint8_t*)avctx->extradata)[2] & 0x30) >> 4; - s->interlaced = (interlace == 1) ? 1 : (interlace == 2) ? 0 : s->interlaced; - s->context = ((uint8_t*)avctx->extradata)[2] & 0x40 ? 1 : 0; - - if ( read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4, - avctx->extradata_size - 4) < 0) - return -1; - }else{ - switch (avctx->bits_per_coded_sample & 7) { - case 1: - s->predictor = LEFT; - s->decorrelate = 0; - break; - case 2: - s->predictor = LEFT; - s->decorrelate = 1; - break; - case 3: - s->predictor = PLANE; - s->decorrelate = avctx->bits_per_coded_sample >= 24; - break; - case 4: - s->predictor = MEDIAN; - s->decorrelate = 0; - break; - default: - s->predictor = LEFT; //OLD - s->decorrelate = 0; - break; - } - s->bitstream_bpp = avctx->bits_per_coded_sample & ~7; - s->context = 0; - - if (read_old_huffman_tables(s) < 0) - return -1; - } - - switch (s->bitstream_bpp) { - case 12: - avctx->pix_fmt = AV_PIX_FMT_YUV420P; - break; - case 16: - if (s->yuy2) { - avctx->pix_fmt = AV_PIX_FMT_YUYV422; - } else { - avctx->pix_fmt = AV_PIX_FMT_YUV422P; - } - break; - case 24: - case 32: - if (s->bgr32) { - avctx->pix_fmt = AV_PIX_FMT_RGB32; - } else { - avctx->pix_fmt = AV_PIX_FMT_BGR24; - } - break; - default: - return AVERROR_INVALIDDATA; - } - - alloc_temp(s); - - return 0; -} - -static av_cold int decode_init_thread_copy(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - int i; - - avctx->coded_frame= &s->picture; - alloc_temp(s); - - for (i = 0; i < 6; i++) - s->vlc[i].table = NULL; - - if (s->version == 2) { - if (read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4, - avctx->extradata_size) < 0) - return -1; - } else { - if (read_old_huffman_tables(s) < 0) - return -1; - } - - return 0; -} -#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */ - -#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER -static int store_table(HYuvContext *s, const uint8_t *len, uint8_t *buf) -{ - int i; - int index = 0; - - for (i = 0; i < 256;) { - int val = len[i]; - int repeat = 0; - - for (; i < 256 && len[i] == val && repeat < 255; i++) - repeat++; - - assert(val < 32 && val >0 && repeat<256 && repeat>0); - if ( repeat > 7) { - buf[index++] = val; - buf[index++] = repeat; - } else { - buf[index++] = val | (repeat << 5); - } - } - - return index; -} - -static av_cold int encode_init(AVCodecContext *avctx) -{ - 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 AV_PIX_FMT_YUV420P: - s->bitstream_bpp = 12; - break; - case AV_PIX_FMT_YUV422P: - s->bitstream_bpp = 16; - break; - case AV_PIX_FMT_RGB32: - s->bitstream_bpp = 24; - break; - default: - av_log(avctx, AV_LOG_ERROR, "format not supported\n"); - return -1; - } - avctx->bits_per_coded_sample = s->bitstream_bpp; - s->decorrelate = s->bitstream_bpp >= 24; - s->predictor = avctx->prediction_method; - s->interlaced = avctx->flags&CODEC_FLAG_INTERLACED_ME ? 1 : 0; - if (avctx->context_model == 1) { - s->context = avctx->context_model; - if (s->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) { - av_log(avctx, AV_LOG_ERROR, - "context=1 is not compatible with " - "2 pass huffyuv encoding\n"); - return -1; - } - }else s->context= 0; - - if (avctx->codec->id == AV_CODEC_ID_HUFFYUV) { - if (avctx->pix_fmt == AV_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++) { - ff_huff_gen_len_table(s->len[i], s->stats[i]); - - if (generate_bits_table(s->bits[i], s->len[i]) < 0) { - return -1; - } - - s->avctx->extradata_size += - store_table(s, s->len[i], &((uint8_t*)s->avctx->extradata)[s->avctx->extradata_size]); - } - - if (s->context) { - for (i = 0; i < 3; i++) { - int pels = s->width * s->height / (i ? 40 : 10); - for (j = 0; j < 256; j++) { - int d = FFMIN(j, 256 - j); - s->stats[i][j] = pels/(d + 1); - } - } - } else { - for (i = 0; i < 3; i++) - for (j = 0; j < 256; j++) - s->stats[i][j]= 0; - } - - alloc_temp(s); - - s->picture_number=0; - - return 0; -} -#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */ - -/* TODO instead of restarting the read when the code isn't in the first level - * of the joint table, jump into the 2nd level of the individual table. */ -#define READ_2PIX(dst0, dst1, plane1){\ - uint16_t code = get_vlc2(&s->gb, s->vlc[3+plane1].table, VLC_BITS, 1);\ - if(code != 0xffff){\ - dst0 = code>>8;\ - dst1 = code;\ - }else{\ - dst0 = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3);\ - dst1 = get_vlc2(&s->gb, s->vlc[plane1].table, VLC_BITS, 3);\ - }\ -} - -static void decode_422_bitstream(HYuvContext *s, int count) -{ - int i; - - count /= 2; - - if (count >= (get_bits_left(&s->gb)) / (31 * 4)) { - for (i = 0; i < count && get_bits_left(&s->gb) > 0; i++) { - READ_2PIX(s->temp[0][2 * i ], s->temp[1][i], 1); - READ_2PIX(s->temp[0][2 * i + 1], s->temp[2][i], 2); - } - } else { - for (i = 0; i < count; i++) { - READ_2PIX(s->temp[0][2 * i ], s->temp[1][i], 1); - READ_2PIX(s->temp[0][2 * i + 1], s->temp[2][i], 2); - } - } -} - -static void decode_gray_bitstream(HYuvContext *s, int count) -{ - int i; - - count/=2; - - if (count >= (get_bits_left(&s->gb)) / (31 * 2)) { - for (i = 0; i < count && get_bits_left(&s->gb) > 0; i++) { - READ_2PIX(s->temp[0][2 * i], s->temp[0][2 * i + 1], 0); - } - } else { - for(i=0; itemp[0][2 * i], s->temp[0][2 * i + 1], 0); - } - } -} - -#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER -static int encode_422_bitstream(HYuvContext *s, int offset, int count) -{ - int i; - const uint8_t *y = s->temp[0] + offset; - const uint8_t *u = s->temp[1] + offset / 2; - const uint8_t *v = s->temp[2] + offset / 2; - - if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 2 * 4 * count) { - av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); - return -1; - } - -#define LOAD4\ - int y0 = y[2 * i];\ - int y1 = y[2 * i + 1];\ - int u0 = u[i];\ - int v0 = v[i]; - - count /= 2; - - if (s->flags & CODEC_FLAG_PASS1) { - for(i = 0; i < count; 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; i < count; i++) { - LOAD4; - s->stats[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; i < count; i++) { - LOAD4; - put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]); - put_bits(&s->pb, s->len[1][u0], s->bits[1][u0]); - put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]); - put_bits(&s->pb, s->len[2][v0], s->bits[2][v0]); - } - } - return 0; -} - -static int encode_gray_bitstream(HYuvContext *s, int count) -{ - int i; - - if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 4 * count) { - av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); - return -1; - } - -#define LOAD2\ - int y0 = s->temp[0][2 * i];\ - int y1 = s->temp[0][2 * i + 1]; -#define STAT2\ - s->stats[0][y0]++;\ - s->stats[0][y1]++; -#define WRITE2\ - put_bits(&s->pb, s->len[0][y0], s->bits[0][y0]);\ - put_bits(&s->pb, s->len[0][y1], s->bits[0][y1]); - - count /= 2; - - if (s->flags & CODEC_FLAG_PASS1) { - for (i = 0; i < count; i++) { - LOAD2; - STAT2; - } - } - if (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT) - return 0; - - if (s->context) { - for (i = 0; i < count; i++) { - LOAD2; - STAT2; - WRITE2; - } - } else { - for (i = 0; i < count; i++) { - LOAD2; - WRITE2; - } - } - return 0; -} -#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */ - -static av_always_inline void decode_bgr_1(HYuvContext *s, int count, - int decorrelate, int alpha) -{ - int i; - for (i = 0; i < count; i++) { - int code = get_vlc2(&s->gb, s->vlc[3].table, VLC_BITS, 1); - if (code != -1) { - *(uint32_t*)&s->temp[0][4 * i] = s->pix_bgr_map[code]; - } else if(decorrelate) { - s->temp[0][4 * i + G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3); - s->temp[0][4 * i + B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3) + - s->temp[0][4 * i + G]; - s->temp[0][4 * i + R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3) + - s->temp[0][4 * i + G]; - } else { - s->temp[0][4 * i + B] = get_vlc2(&s->gb, s->vlc[0].table, VLC_BITS, 3); - s->temp[0][4 * i + G] = get_vlc2(&s->gb, s->vlc[1].table, VLC_BITS, 3); - s->temp[0][4 * i + R] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); - } - if (alpha) - s->temp[0][4 * i + A] = get_vlc2(&s->gb, s->vlc[2].table, VLC_BITS, 3); - } -} - -static void decode_bgr_bitstream(HYuvContext *s, int count) -{ - if (s->decorrelate) { - if (s->bitstream_bpp==24) - decode_bgr_1(s, count, 1, 0); - else - decode_bgr_1(s, count, 1, 1); - } else { - if (s->bitstream_bpp==24) - decode_bgr_1(s, count, 0, 0); - else - decode_bgr_1(s, count, 0, 1); - } -} - -static int encode_bgr_bitstream(HYuvContext *s, int count) -{ - int i; - - if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < 3 * 4 * count) { - av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); - return -1; - } - -#define LOAD3\ - int g = s->temp[0][4 * i + G];\ - int b = (s->temp[0][4 * i + B] - g) & 0xff;\ - int r = (s->temp[0][4 * i + R] - g) & 0xff; -#define STAT3\ - s->stats[0][b]++;\ - s->stats[1][g]++;\ - s->stats[2][r]++; -#define WRITE3\ - put_bits(&s->pb, s->len[1][g], s->bits[1][g]);\ - put_bits(&s->pb, s->len[0][b], s->bits[0][b]);\ - put_bits(&s->pb, s->len[2][r], s->bits[2][r]); - - if ((s->flags & CODEC_FLAG_PASS1) && - (s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) { - for (i = 0; i < count; i++) { - LOAD3; - STAT3; - } - } else if (s->context || (s->flags & CODEC_FLAG_PASS1)) { - for (i = 0; i < count; i++) { - LOAD3; - STAT3; - WRITE3; - } - } else { - for (i = 0; i < count; i++) { - LOAD3; - WRITE3; - } - } - return 0; -} - -#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER -static void draw_slice(HYuvContext *s, int y) -{ - int h, cy, i; - int offset[AV_NUM_DATA_POINTERS]; - - if (s->avctx->draw_horiz_band==NULL) - return; - - h = y - s->last_slice_end; - y -= h; - - if (s->bitstream_bpp == 12) { - cy = y>>1; - } else { - cy = y; - } - - offset[0] = s->picture.linesize[0]*y; - offset[1] = s->picture.linesize[1]*cy; - offset[2] = s->picture.linesize[2]*cy; - for (i = 3; i < AV_NUM_DATA_POINTERS; i++) - offset[i] = 0; - emms_c(); - - s->avctx->draw_horiz_band(s->avctx, &s->picture, offset, y, 3, h); - - s->last_slice_end = y + h; -} - -static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, - AVPacket *avpkt) -{ - const uint8_t *buf = avpkt->data; - int buf_size = avpkt->size; - HYuvContext *s = avctx->priv_data; - const int width = s->width; - const int width2 = s->width>>1; - const int height = s->height; - int fake_ystride, fake_ustride, fake_vstride; - AVFrame * const p = &s->picture; - int table_size = 0; - - AVFrame *picture = data; - - av_fast_malloc(&s->bitstream_buffer, - &s->bitstream_buffer_size, - buf_size + FF_INPUT_BUFFER_PADDING_SIZE); - if (!s->bitstream_buffer) - return AVERROR(ENOMEM); - - memset(s->bitstream_buffer + buf_size, 0, FF_INPUT_BUFFER_PADDING_SIZE); - s->dsp.bswap_buf((uint32_t*)s->bitstream_buffer, - (const uint32_t*)buf, buf_size / 4); - - if (p->data[0]) - ff_thread_release_buffer(avctx, p); - - p->reference = 0; - if (ff_thread_get_buffer(avctx, p) < 0) { - av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); - return -1; - } - - if (s->context) { - table_size = read_huffman_tables(s, s->bitstream_buffer, buf_size); - if (table_size < 0) - return -1; - } - - if ((unsigned)(buf_size-table_size) >= INT_MAX / 8) - return -1; - - init_get_bits(&s->gb, s->bitstream_buffer+table_size, - (buf_size-table_size) * 8); - - fake_ystride = s->interlaced ? p->linesize[0] * 2 : p->linesize[0]; - fake_ustride = s->interlaced ? p->linesize[1] * 2 : p->linesize[1]; - fake_vstride = s->interlaced ? p->linesize[2] * 2 : p->linesize[2]; - - s->last_slice_end = 0; - - if (s->bitstream_bpp < 24) { - int y, cy; - int lefty, leftu, leftv; - int lefttopy, lefttopu, lefttopv; - - if (s->yuy2) { - p->data[0][3] = get_bits(&s->gb, 8); - p->data[0][2] = get_bits(&s->gb, 8); - p->data[0][1] = get_bits(&s->gb, 8); - p->data[0][0] = get_bits(&s->gb, 8); - - av_log(avctx, AV_LOG_ERROR, - "YUY2 output is not implemented yet\n"); - return -1; - } else { - - leftv = p->data[2][0] = get_bits(&s->gb, 8); - lefty = p->data[0][1] = get_bits(&s->gb, 8); - leftu = p->data[1][0] = get_bits(&s->gb, 8); - p->data[0][0] = get_bits(&s->gb, 8); - - switch (s->predictor) { - case LEFT: - case PLANE: - decode_422_bitstream(s, width-2); - lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty); - if (!(s->flags&CODEC_FLAG_GRAY)) { - leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu); - leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv); - } - - for (cy = y = 1; y < s->height; y++, cy++) { - uint8_t *ydst, *udst, *vdst; - - if (s->bitstream_bpp == 12) { - decode_gray_bitstream(s, width); - - ydst = p->data[0] + p->linesize[0] * y; - - lefty = s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty); - if (s->predictor == PLANE) { - if (y > s->interlaced) - s->dsp.add_bytes(ydst, ydst - fake_ystride, width); - } - y++; - if (y >= s->height) break; - } - - draw_slice(s, y); - - ydst = p->data[0] + p->linesize[0]*y; - udst = p->data[1] + p->linesize[1]*cy; - vdst = p->data[2] + p->linesize[2]*cy; - - decode_422_bitstream(s, width); - lefty = s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty); - if (!(s->flags & CODEC_FLAG_GRAY)) { - leftu= s->dsp.add_hfyu_left_prediction(udst, s->temp[1], width2, leftu); - leftv= s->dsp.add_hfyu_left_prediction(vdst, s->temp[2], width2, leftv); - } - if (s->predictor == PLANE) { - if (cy > s->interlaced) { - s->dsp.add_bytes(ydst, ydst - fake_ystride, width); - if (!(s->flags & CODEC_FLAG_GRAY)) { - s->dsp.add_bytes(udst, udst - fake_ustride, width2); - s->dsp.add_bytes(vdst, vdst - fake_vstride, width2); - } - } - } - } - draw_slice(s, height); - - break; - case MEDIAN: - /* first line except first 2 pixels is left predicted */ - decode_422_bitstream(s, width - 2); - lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width - 2, lefty); - if (!(s->flags & CODEC_FLAG_GRAY)) { - leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu); - leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv); - } - - cy = y = 1; - - /* second line is left predicted for interlaced case */ - if (s->interlaced) { - decode_422_bitstream(s, width); - lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty); - if (!(s->flags & CODEC_FLAG_GRAY)) { - leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu); - leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + p->linesize[1], s->temp[2], width2, leftv); - } - y++; cy++; - } - - /* next 4 pixels are left predicted too */ - decode_422_bitstream(s, 4); - lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty); - if (!(s->flags&CODEC_FLAG_GRAY)) { - leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu); - leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + fake_vstride, s->temp[2], 2, leftv); - } - - /* next line except the first 4 pixels is median predicted */ - lefttopy = p->data[0][3]; - decode_422_bitstream(s, width - 4); - s->dsp.add_hfyu_median_prediction(p->data[0] + fake_ystride+4, p->data[0]+4, s->temp[0], width-4, &lefty, &lefttopy); - if (!(s->flags&CODEC_FLAG_GRAY)) { - lefttopu = p->data[1][1]; - lefttopv = p->data[2][1]; - s->dsp.add_hfyu_median_prediction(p->data[1] + fake_ustride+2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu); - s->dsp.add_hfyu_median_prediction(p->data[2] + fake_vstride+2, p->data[2] + 2, s->temp[2], width2 - 2, &leftv, &lefttopv); - } - y++; cy++; - - for (; ybitstream_bpp == 12) { - while (2 * cy > y) { - decode_gray_bitstream(s, width); - ydst = p->data[0] + p->linesize[0] * y; - s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy); - y++; - } - if (y >= height) break; - } - draw_slice(s, y); - - decode_422_bitstream(s, width); - - ydst = p->data[0] + p->linesize[0] * y; - udst = p->data[1] + p->linesize[1] * cy; - vdst = p->data[2] + p->linesize[2] * cy; - - s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy); - if (!(s->flags & CODEC_FLAG_GRAY)) { - s->dsp.add_hfyu_median_prediction(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu); - s->dsp.add_hfyu_median_prediction(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv); - } - } - - draw_slice(s, height); - break; - } - } - } else { - int y; - int leftr, leftg, leftb, lefta; - const int last_line = (height - 1) * p->linesize[0]; - - if (s->bitstream_bpp == 32) { - lefta = p->data[0][last_line+A] = get_bits(&s->gb, 8); - leftr = p->data[0][last_line+R] = get_bits(&s->gb, 8); - leftg = p->data[0][last_line+G] = get_bits(&s->gb, 8); - leftb = p->data[0][last_line+B] = get_bits(&s->gb, 8); - } else { - leftr = p->data[0][last_line+R] = get_bits(&s->gb, 8); - leftg = p->data[0][last_line+G] = get_bits(&s->gb, 8); - leftb = p->data[0][last_line+B] = get_bits(&s->gb, 8); - lefta = p->data[0][last_line+A] = 255; - skip_bits(&s->gb, 8); - } - - if (s->bgr32) { - switch (s->predictor) { - case LEFT: - case PLANE: - decode_bgr_bitstream(s, width - 1); - s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width - 1, &leftr, &leftg, &leftb, &lefta); - - for (y = s->height - 2; y >= 0; y--) { //Yes it is stored upside down. - decode_bgr_bitstream(s, width); - - s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + p->linesize[0]*y, s->temp[0], width, &leftr, &leftg, &leftb, &lefta); - if (s->predictor == PLANE) { - if (s->bitstream_bpp != 32) lefta = 0; - if ((y & s->interlaced) == 0 && - y < s->height - 1 - s->interlaced) { - s->dsp.add_bytes(p->data[0] + p->linesize[0] * y, - p->data[0] + p->linesize[0] * y + - fake_ystride, fake_ystride); - } - } - } - // just 1 large slice as this is not possible in reverse order - draw_slice(s, height); - break; - default: - av_log(avctx, AV_LOG_ERROR, - "prediction type not supported!\n"); - } - }else{ - av_log(avctx, AV_LOG_ERROR, - "BGR24 output is not implemented yet\n"); - return -1; - } - } - emms_c(); - - *picture = *p; - *got_frame = 1; - - return (get_bits_count(&s->gb) + 31) / 32 * 4 + table_size; } -#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */ -static int common_end(HYuvContext *s) +void ff_huffyuv_common_end(HYuvContext *s) { int i; for(i = 0; i < 3; i++) { av_freep(&s->temp[i]); } - return 0; -} - -#if CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER -static av_cold int decode_end(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - int i; - - if (s->picture.data[0]) - avctx->release_buffer(avctx, &s->picture); - - common_end(s); - av_freep(&s->bitstream_buffer); - - for (i = 0; i < 6; i++) { - ff_free_vlc(&s->vlc[i]); - } - - return 0; -} -#endif /* CONFIG_HUFFYUV_DECODER || CONFIG_FFVHUFF_DECODER */ - -#if CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER -static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *pict, int *got_packet) -{ - HYuvContext *s = avctx->priv_data; - const int width = s->width; - const int width2 = s->width>>1; - const int height = s->height; - const int fake_ystride = s->interlaced ? pict->linesize[0]*2 : pict->linesize[0]; - const int fake_ustride = s->interlaced ? pict->linesize[1]*2 : pict->linesize[1]; - const int fake_vstride = s->interlaced ? pict->linesize[2]*2 : pict->linesize[2]; - AVFrame * const p = &s->picture; - int i, j, size = 0, ret; - - if (!pkt->data && - (ret = av_new_packet(pkt, width * height * 3 * 4 + FF_MIN_BUFFER_SIZE)) < 0) { - av_log(avctx, AV_LOG_ERROR, "Error allocating output packet.\n"); - return ret; - } - - *p = *pict; - p->pict_type = AV_PICTURE_TYPE_I; - p->key_frame = 1; - - if (s->context) { - for (i = 0; i < 3; i++) { - ff_huff_gen_len_table(s->len[i], s->stats[i]); - if (generate_bits_table(s->bits[i], s->len[i]) < 0) - return -1; - size += store_table(s, s->len[i], &pkt->data[size]); - } - - for (i = 0; i < 3; i++) - for (j = 0; j < 256; j++) - s->stats[i][j] >>= 1; - } - - init_put_bits(&s->pb, pkt->data + size, pkt->size - size); - - if (avctx->pix_fmt == AV_PIX_FMT_YUV422P || - avctx->pix_fmt == AV_PIX_FMT_YUV420P) { - int lefty, leftu, leftv, y, cy; - - put_bits(&s->pb, 8, leftv = p->data[2][0]); - put_bits(&s->pb, 8, lefty = p->data[0][1]); - put_bits(&s->pb, 8, leftu = p->data[1][0]); - put_bits(&s->pb, 8, p->data[0][0]); - - lefty = sub_left_prediction(s, s->temp[0], p->data[0], width , 0); - leftu = sub_left_prediction(s, s->temp[1], p->data[1], width2, 0); - leftv = sub_left_prediction(s, s->temp[2], p->data[2], width2, 0); - - encode_422_bitstream(s, 2, width-2); - - if (s->predictor==MEDIAN) { - int lefttopy, lefttopu, lefttopv; - cy = y = 1; - if (s->interlaced) { - lefty = sub_left_prediction(s, s->temp[0], p->data[0] + p->linesize[0], width , lefty); - leftu = sub_left_prediction(s, s->temp[1], p->data[1] + p->linesize[1], width2, leftu); - leftv = sub_left_prediction(s, s->temp[2], p->data[2] + p->linesize[2], width2, leftv); - - encode_422_bitstream(s, 0, width); - y++; cy++; - } - - lefty = sub_left_prediction(s, s->temp[0], p->data[0] + fake_ystride, 4, lefty); - leftu = sub_left_prediction(s, s->temp[1], p->data[1] + fake_ustride, 2, leftu); - leftv = sub_left_prediction(s, s->temp[2], p->data[2] + fake_vstride, 2, leftv); - - encode_422_bitstream(s, 0, 4); - - lefttopy = p->data[0][3]; - lefttopu = p->data[1][1]; - lefttopv = p->data[2][1]; - s->dsp.sub_hfyu_median_prediction(s->temp[0], p->data[0]+4, p->data[0] + fake_ystride + 4, width - 4 , &lefty, &lefttopy); - s->dsp.sub_hfyu_median_prediction(s->temp[1], p->data[1]+2, p->data[1] + fake_ustride + 2, width2 - 2, &leftu, &lefttopu); - s->dsp.sub_hfyu_median_prediction(s->temp[2], p->data[2]+2, p->data[2] + fake_vstride + 2, width2 - 2, &leftv, &lefttopv); - encode_422_bitstream(s, 0, width - 4); - y++; cy++; - - for (; y < height; y++,cy++) { - uint8_t *ydst, *udst, *vdst; - - if (s->bitstream_bpp == 12) { - while (2 * cy > y) { - ydst = p->data[0] + p->linesize[0] * y; - s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy); - encode_gray_bitstream(s, width); - y++; - } - if (y >= height) break; - } - ydst = p->data[0] + p->linesize[0] * y; - udst = p->data[1] + p->linesize[1] * cy; - vdst = p->data[2] + p->linesize[2] * cy; - - s->dsp.sub_hfyu_median_prediction(s->temp[0], ydst - fake_ystride, ydst, width , &lefty, &lefttopy); - s->dsp.sub_hfyu_median_prediction(s->temp[1], udst - fake_ustride, udst, width2, &leftu, &lefttopu); - s->dsp.sub_hfyu_median_prediction(s->temp[2], vdst - fake_vstride, vdst, width2, &leftv, &lefttopv); - - encode_422_bitstream(s, 0, width); - } - } else { - for (cy = y = 1; y < height; y++, cy++) { - uint8_t *ydst, *udst, *vdst; - - /* encode a luma only line & y++ */ - if (s->bitstream_bpp == 12) { - ydst = p->data[0] + p->linesize[0] * y; - - if (s->predictor == PLANE && s->interlaced < y) { - s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width); - - lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty); - } else { - lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty); - } - encode_gray_bitstream(s, width); - y++; - if (y >= height) break; - } - - ydst = p->data[0] + p->linesize[0] * y; - udst = p->data[1] + p->linesize[1] * cy; - vdst = p->data[2] + p->linesize[2] * cy; - - if (s->predictor == PLANE && s->interlaced < cy) { - s->dsp.diff_bytes(s->temp[1], ydst, ydst - fake_ystride, width); - s->dsp.diff_bytes(s->temp[2], udst, udst - fake_ustride, width2); - s->dsp.diff_bytes(s->temp[2] + width2, vdst, vdst - fake_vstride, width2); - - lefty = sub_left_prediction(s, s->temp[0], s->temp[1], width , lefty); - leftu = sub_left_prediction(s, s->temp[1], s->temp[2], width2, leftu); - leftv = sub_left_prediction(s, s->temp[2], s->temp[2] + width2, width2, leftv); - } else { - lefty = sub_left_prediction(s, s->temp[0], ydst, width , lefty); - leftu = sub_left_prediction(s, s->temp[1], udst, width2, leftu); - leftv = sub_left_prediction(s, s->temp[2], vdst, width2, leftv); - } - - encode_422_bitstream(s, 0, width); - } - } - } else if(avctx->pix_fmt == AV_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; y < s->height; y++) { - uint8_t *dst = data + y*stride; - if (s->predictor == PLANE && s->interlaced < y) { - s->dsp.diff_bytes(s->temp[1], dst, dst - fake_stride, width * 4); - sub_left_prediction_bgr32(s, s->temp[0], s->temp[1], width, &leftr, &leftg, &leftb); - } else { - sub_left_prediction_bgr32(s, s->temp[0], dst, width, &leftr, &leftg, &leftb); - } - encode_bgr_bitstream(s, width); - } - } else { - av_log(avctx, AV_LOG_ERROR, "Format not supported!\n"); - } - emms_c(); - - size += (put_bits_count(&s->pb) + 31) / 8; - put_bits(&s->pb, 16, 0); - put_bits(&s->pb, 15, 0); - size /= 4; - - if ((s->flags&CODEC_FLAG_PASS1) && (s->picture_number & 31) == 0) { - int j; - char *p = avctx->stats_out; - char *end = p + 1024*30; - for (i = 0; i < 3; i++) { - for (j = 0; j < 256; j++) { - snprintf(p, end-p, "%"PRIu64" ", s->stats[i][j]); - p += strlen(p); - s->stats[i][j]= 0; - } - snprintf(p, end-p, "\n"); - p++; - } - } else - avctx->stats_out[0] = '\0'; - if (!(s->avctx->flags2 & CODEC_FLAG2_NO_OUTPUT)) { - flush_put_bits(&s->pb); - s->dsp.bswap_buf((uint32_t*)pkt->data, (uint32_t*)pkt->data, size); - } - - s->picture_number++; - - pkt->size = size * 4; - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - - return 0; } - -static av_cold int encode_end(AVCodecContext *avctx) -{ - HYuvContext *s = avctx->priv_data; - - common_end(s); - - av_freep(&avctx->extradata); - av_freep(&avctx->stats_out); - - return 0; -} -#endif /* CONFIG_HUFFYUV_ENCODER || CONFIG_FFVHUFF_ENCODER */ - -#if CONFIG_HUFFYUV_DECODER -AVCodec ff_huffyuv_decoder = { - .name = "huffyuv", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_HUFFYUV, - .priv_data_size = sizeof(HYuvContext), - .init = decode_init, - .close = decode_end, - .decode = decode_frame, - .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND | - CODEC_CAP_FRAME_THREADS, - .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"), -}; -#endif - -#if CONFIG_FFVHUFF_DECODER -AVCodec ff_ffvhuff_decoder = { - .name = "ffvhuff", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_FFVHUFF, - .priv_data_size = sizeof(HYuvContext), - .init = decode_init, - .close = decode_end, - .decode = decode_frame, - .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DRAW_HORIZ_BAND | - CODEC_CAP_FRAME_THREADS, - .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"), -}; -#endif - -#if CONFIG_HUFFYUV_ENCODER -AVCodec ff_huffyuv_encoder = { - .name = "huffyuv", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_HUFFYUV, - .priv_data_size = sizeof(HYuvContext), - .init = encode_init, - .encode2 = encode_frame, - .close = encode_end, - .pix_fmts = (const enum AVPixelFormat[]){ - AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE - }, - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv / HuffYUV"), -}; -#endif - -#if CONFIG_FFVHUFF_ENCODER -AVCodec ff_ffvhuff_encoder = { - .name = "ffvhuff", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_FFVHUFF, - .priv_data_size = sizeof(HYuvContext), - .init = encode_init, - .encode2 = encode_frame, - .close = encode_end, - .pix_fmts = (const enum AVPixelFormat[]){ - AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE - }, - .long_name = NULL_IF_CONFIG_SMALL("Huffyuv FFmpeg variant"), -}; -#endif -- cgit v1.2.3