X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fdnxhdenc.c;h=89e5c085aba6cdd1e2c34d556e85767033ed148a;hb=615b2a2cf5e93bc8701944b136891973aab84579;hp=a52fe8684ed5fb8cd5c2717158763e7f8df0ea90;hpb=cb893cf38662d9c532de41e0fd03d0fdd992a557;p=ffmpeg diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c index a52fe8684ed..89e5c085aba 100644 --- a/libavcodec/dnxhdenc.c +++ b/libavcodec/dnxhdenc.c @@ -1,39 +1,50 @@ /* * VC3/DNxHD encoder * Copyright (c) 2007 Baptiste Coudurier + * Copyright (c) 2011 MirriAd Ltd * * VC-3 encoder funded by the British Broadcasting Corporation + * 10 bit support added by MirriAd Ltd, Joseph Artsimovich * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ //#define DEBUG #define RC_VARIANCE 1 // use variance or ssd for fast rc +#include "libavutil/opt.h" #include "avcodec.h" #include "dsputil.h" #include "mpegvideo.h" +#include "mpegvideo_common.h" #include "dnxhdenc.h" -int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +#define DNX10BIT_QMAT_SHIFT 18 // The largest value that will not lead to overflow for 10bit samples. + +static const AVOption options[]={ + {"nitris_compat", "encode with Avid Nitris compatibility", offsetof(DNXHDEncContext, nitris_compat), AV_OPT_TYPE_INT, {.dbl = 0}, 0, 1, VE}, +{NULL} +}; +static const AVClass class = { "dnxhd", av_default_item_name, options, LIBAVUTIL_VERSION_INT }; #define LAMBDA_FRAC_BITS 10 -static av_always_inline void dnxhd_get_pixels_8x4(DCTELEM *restrict block, const uint8_t *pixels, int line_size) +static void dnxhd_8bit_get_pixels_8x4_sym(DCTELEM *restrict block, const uint8_t *pixels, int line_size) { int i; for (i = 0; i < 4; i++) { @@ -44,10 +55,48 @@ static av_always_inline void dnxhd_get_pixels_8x4(DCTELEM *restrict block, const pixels += line_size; block += 8; } - memcpy(block , block- 8, sizeof(*block)*8); - memcpy(block+ 8, block-16, sizeof(*block)*8); - memcpy(block+16, block-24, sizeof(*block)*8); - memcpy(block+24, block-32, sizeof(*block)*8); + memcpy(block, block - 8, sizeof(*block) * 8); + memcpy(block + 8, block - 16, sizeof(*block) * 8); + memcpy(block + 16, block - 24, sizeof(*block) * 8); + memcpy(block + 24, block - 32, sizeof(*block) * 8); +} + +static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym(DCTELEM *restrict block, const uint8_t *pixels, int line_size) +{ + int i; + + block += 32; + + for (i = 0; i < 4; i++) { + memcpy(block + i * 8, pixels + i * line_size, 8 * sizeof(*block)); + memcpy(block - (i+1) * 8, pixels + i * line_size, 8 * sizeof(*block)); + } +} + +static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, DCTELEM *block, + int n, int qscale, int *overflow) +{ + const uint8_t *scantable= ctx->intra_scantable.scantable; + const int *qmat = ctx->q_intra_matrix[qscale]; + int last_non_zero = 0; + int i; + + ctx->dsp.fdct(block); + + // Divide by 4 with rounding, to compensate scaling of DCT coefficients + block[0] = (block[0] + 2) >> 2; + + for (i = 1; i < 64; ++i) { + int j = scantable[i]; + int sign = block[j] >> 31; + int level = (block[j] ^ sign) - sign; + level = level * qmat[j] >> DNX10BIT_QMAT_SHIFT; + block[j] = (level ^ sign) - sign; + if (level) + last_non_zero = i; + } + + return last_non_zero; } static int dnxhd_init_vlc(DNXHDEncContext *ctx) @@ -56,9 +105,9 @@ static int dnxhd_init_vlc(DNXHDEncContext *ctx) int max_level = 1<<(ctx->cid_table->bit_depth+2); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->vlc_codes, max_level*4*sizeof(*ctx->vlc_codes), fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->vlc_bits , max_level*4*sizeof(*ctx->vlc_bits ), fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->run_codes, 63*2 , fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->run_bits , 63 , fail); + FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->vlc_bits, max_level*4*sizeof(*ctx->vlc_bits) , fail); + FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->run_codes, 63*2, fail); + FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->run_bits, 63, fail); ctx->vlc_codes += max_level*2; ctx->vlc_bits += max_level*2; @@ -110,31 +159,55 @@ static int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias) // init first elem to 1 to avoid div by 0 in convert_matrix uint16_t weight_matrix[64] = {1,}; // convert_matrix needs uint16_t* int qscale, i; + const uint8_t *luma_weight_table = ctx->cid_table->luma_weight; + const uint8_t *chroma_weight_table = ctx->cid_table->chroma_weight; - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l, (ctx->m.avctx->qmax+1) * 64 * sizeof(int) , fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c, (ctx->m.avctx->qmax+1) * 64 * sizeof(int) , fail); + FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l, (ctx->m.avctx->qmax+1) * 64 * sizeof(int), fail); + FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c, (ctx->m.avctx->qmax+1) * 64 * sizeof(int), fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l16, (ctx->m.avctx->qmax+1) * 64 * 2 * sizeof(uint16_t), fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c16, (ctx->m.avctx->qmax+1) * 64 * 2 * sizeof(uint16_t), fail); - for (i = 1; i < 64; i++) { - int j = ctx->m.dsp.idct_permutation[ff_zigzag_direct[i]]; - weight_matrix[j] = ctx->cid_table->luma_weight[i]; - } - ff_convert_matrix(&ctx->m.dsp, ctx->qmatrix_l, ctx->qmatrix_l16, weight_matrix, - ctx->m.intra_quant_bias, 1, ctx->m.avctx->qmax, 1); - for (i = 1; i < 64; i++) { - int j = ctx->m.dsp.idct_permutation[ff_zigzag_direct[i]]; - weight_matrix[j] = ctx->cid_table->chroma_weight[i]; - } - ff_convert_matrix(&ctx->m.dsp, ctx->qmatrix_c, ctx->qmatrix_c16, weight_matrix, - ctx->m.intra_quant_bias, 1, ctx->m.avctx->qmax, 1); - for (qscale = 1; qscale <= ctx->m.avctx->qmax; qscale++) { - for (i = 0; i < 64; i++) { - ctx->qmatrix_l [qscale] [i] <<= 2; ctx->qmatrix_c [qscale] [i] <<= 2; - ctx->qmatrix_l16[qscale][0][i] <<= 2; ctx->qmatrix_l16[qscale][1][i] <<= 2; - ctx->qmatrix_c16[qscale][0][i] <<= 2; ctx->qmatrix_c16[qscale][1][i] <<= 2; + if (ctx->cid_table->bit_depth == 8) { + for (i = 1; i < 64; i++) { + int j = ctx->m.dsp.idct_permutation[ff_zigzag_direct[i]]; + weight_matrix[j] = ctx->cid_table->luma_weight[i]; + } + ff_convert_matrix(&ctx->m.dsp, ctx->qmatrix_l, ctx->qmatrix_l16, weight_matrix, + ctx->m.intra_quant_bias, 1, ctx->m.avctx->qmax, 1); + for (i = 1; i < 64; i++) { + int j = ctx->m.dsp.idct_permutation[ff_zigzag_direct[i]]; + weight_matrix[j] = ctx->cid_table->chroma_weight[i]; + } + ff_convert_matrix(&ctx->m.dsp, ctx->qmatrix_c, ctx->qmatrix_c16, weight_matrix, + ctx->m.intra_quant_bias, 1, ctx->m.avctx->qmax, 1); + + for (qscale = 1; qscale <= ctx->m.avctx->qmax; qscale++) { + for (i = 0; i < 64; i++) { + ctx->qmatrix_l [qscale] [i] <<= 2; ctx->qmatrix_c [qscale] [i] <<= 2; + ctx->qmatrix_l16[qscale][0][i] <<= 2; ctx->qmatrix_l16[qscale][1][i] <<= 2; + ctx->qmatrix_c16[qscale][0][i] <<= 2; ctx->qmatrix_c16[qscale][1][i] <<= 2; + } + } + } else { + // 10-bit + for (qscale = 1; qscale <= ctx->m.avctx->qmax; qscale++) { + for (i = 1; i < 64; i++) { + int j = ctx->m.dsp.idct_permutation[ff_zigzag_direct[i]]; + + // The quantization formula from the VC-3 standard is: + // quantized = sign(block[i]) * floor(abs(block[i]/s) * p / (qscale * weight_table[i])) + // Where p is 32 for 8-bit samples and 8 for 10-bit ones. + // The s factor compensates scaling of DCT coefficients done by the DCT routines, + // and therefore is not present in standard. It's 8 for 8-bit samples and 4 for 10-bit ones. + // We want values of ctx->qtmatrix_l and ctx->qtmatrix_r to be: + // ((1 << DNX10BIT_QMAT_SHIFT) * (p / s)) / (qscale * weight_table[i]) + // For 10-bit samples, p / s == 2 + ctx->qmatrix_l[qscale][j] = (1 << (DNX10BIT_QMAT_SHIFT + 1)) / (qscale * luma_weight_table[i]); + ctx->qmatrix_c[qscale][j] = (1 << (DNX10BIT_QMAT_SHIFT + 1)) / (qscale * chroma_weight_table[i]); + } } } + return 0; fail: return -1; @@ -146,7 +219,7 @@ static int dnxhd_init_rc(DNXHDEncContext *ctx) if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD) FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_cmp, ctx->m.mb_num*sizeof(RCCMPEntry), fail); - ctx->frame_bits = (ctx->cid_table->coding_unit_size - 640 - 4) * 8; + ctx->frame_bits = (ctx->cid_table->coding_unit_size - 640 - 4 - ctx->min_padding) * 8; ctx->qscale = 1; ctx->lambda = 2<priv_data; - int i, index; + int i, index, bit_depth; + + switch (avctx->pix_fmt) { + case PIX_FMT_YUV422P: + bit_depth = 8; + break; + case PIX_FMT_YUV422P10: + bit_depth = 10; + break; + default: + av_log(avctx, AV_LOG_ERROR, "pixel format is incompatible with DNxHD\n"); + return -1; + } - ctx->cid = ff_dnxhd_find_cid(avctx); - if (!ctx->cid || avctx->pix_fmt != PIX_FMT_YUV422P) { + ctx->cid = ff_dnxhd_find_cid(avctx, bit_depth); + if (!ctx->cid) { av_log(avctx, AV_LOG_ERROR, "video parameters incompatible with DNxHD\n"); return -1; } @@ -173,15 +258,25 @@ static int dnxhd_encode_init(AVCodecContext *avctx) ctx->m.mb_intra = 1; ctx->m.h263_aic = 1; - ctx->get_pixels_8x4_sym = dnxhd_get_pixels_8x4; + avctx->bits_per_raw_sample = ctx->cid_table->bit_depth; dsputil_init(&ctx->m.dsp, avctx); ff_dct_common_init(&ctx->m); + if (!ctx->m.dct_quantize) + ctx->m.dct_quantize = dct_quantize_c; + + if (ctx->cid_table->bit_depth == 10) { + ctx->m.dct_quantize = dnxhd_10bit_dct_quantize; + ctx->get_pixels_8x4_sym = dnxhd_10bit_get_pixels_8x4_sym; + ctx->block_width_l2 = 4; + } else { + ctx->get_pixels_8x4_sym = dnxhd_8bit_get_pixels_8x4_sym; + ctx->block_width_l2 = 3; + } + #if HAVE_MMX ff_dnxhd_init_mmx(ctx); #endif - if (!ctx->m.dct_quantize) - ctx->m.dct_quantize = dct_quantize_c; ctx->m.mb_height = (avctx->height + 15) / 16; ctx->m.mb_width = (avctx->width + 15) / 16; @@ -198,6 +293,10 @@ static int dnxhd_encode_init(AVCodecContext *avctx) if (dnxhd_init_qmat(ctx, ctx->m.intra_quant_bias, 0) < 0) // XXX tune lbias/cbias return -1; + // Avid Nitris hardware decoder requires a minimum amount of padding in the coding unit payload + if (ctx->nitris_compat) + ctx->min_padding = 1600; + if (dnxhd_init_vlc(ctx) < 0) return -1; if (dnxhd_init_rc(ctx) < 0) @@ -206,10 +305,10 @@ static int dnxhd_encode_init(AVCodecContext *avctx) FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->slice_size, ctx->m.mb_height*sizeof(uint32_t), fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->slice_offs, ctx->m.mb_height*sizeof(uint32_t), fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_bits, ctx->m.mb_num *sizeof(uint16_t), fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_qscale, ctx->m.mb_num *sizeof(uint8_t) , fail); + FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_qscale, ctx->m.mb_num *sizeof(uint8_t), fail); ctx->frame.key_frame = 1; - ctx->frame.pict_type = FF_I_TYPE; + ctx->frame.pict_type = AV_PICTURE_TYPE_I; ctx->m.avctx->coded_frame = &ctx->frame; if (avctx->thread_count > MAX_THREADS) { @@ -239,12 +338,12 @@ static int dnxhd_write_header(AVCodecContext *avctx, uint8_t *buf) buf[5] = ctx->interlaced ? ctx->cur_field+2 : 0x01; buf[6] = 0x80; // crc flag off buf[7] = 0xa0; // reserved - AV_WB16(buf + 0x18, avctx->height); // ALPF + AV_WB16(buf + 0x18, avctx->height>>ctx->interlaced); // ALPF AV_WB16(buf + 0x1a, avctx->width); // SPL - AV_WB16(buf + 0x1d, avctx->height); // NAL + AV_WB16(buf + 0x1d, avctx->height>>ctx->interlaced); // NAL - buf[0x21] = 0x38; // FIXME 8 bit per comp - buf[0x22] = 0x88 + (ctx->frame.interlaced_frame<<2); + buf[0x21] = ctx->cid_table->bit_depth == 10 ? 0x58 : 0x38; + buf[0x22] = 0x88 + (ctx->interlaced<<2); AV_WB32(buf + 0x28, ctx->cid); // CID buf[0x2c] = ctx->interlaced ? 0 : 0x80; @@ -309,15 +408,27 @@ static av_always_inline void dnxhd_unquantize_c(DNXHDEncContext *ctx, DCTELEM *b if (level) { if (level < 0) { level = (1-2*level) * qscale * weight_matrix[i]; - if (weight_matrix[i] != 32) - level += 32; - level >>= 6; + if (ctx->cid_table->bit_depth == 10) { + if (weight_matrix[i] != 8) + level += 8; + level >>= 4; + } else { + if (weight_matrix[i] != 32) + level += 32; + level >>= 6; + } level = -level; } else { level = (2*level+1) * qscale * weight_matrix[i]; - if (weight_matrix[i] != 32) - level += 32; - level >>= 6; + if (ctx->cid_table->bit_depth == 10) { + if (weight_matrix[i] != 8) + level += 8; + level >>= 4; + } else { + if (weight_matrix[i] != 32) + level += 32; + level >>= 6; + } } block[j] = level; } @@ -329,7 +440,7 @@ static av_always_inline int dnxhd_ssd_block(DCTELEM *qblock, DCTELEM *block) int score = 0; int i; for (i = 0; i < 64; i++) - score += (block[i]-qblock[i])*(block[i]-qblock[i]); + score += (block[i] - qblock[i]) * (block[i] - qblock[i]); return score; } @@ -352,31 +463,35 @@ static av_always_inline int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, DCTELEM *bl static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y) { - const uint8_t *ptr_y = ctx->thread[0]->src[0] + ((mb_y << 4) * ctx->m.linesize) + (mb_x << 4); - const uint8_t *ptr_u = ctx->thread[0]->src[1] + ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << 3); - const uint8_t *ptr_v = ctx->thread[0]->src[2] + ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << 3); + const int bs = ctx->block_width_l2; + const int bw = 1 << bs; + const uint8_t *ptr_y = ctx->thread[0]->src[0] + ((mb_y << 4) * ctx->m.linesize) + (mb_x << bs+1); + const uint8_t *ptr_u = ctx->thread[0]->src[1] + ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs); + const uint8_t *ptr_v = ctx->thread[0]->src[2] + ((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs); DSPContext *dsp = &ctx->m.dsp; - dsp->get_pixels(ctx->blocks[0], ptr_y , ctx->m.linesize); - dsp->get_pixels(ctx->blocks[1], ptr_y + 8, ctx->m.linesize); - dsp->get_pixels(ctx->blocks[2], ptr_u , ctx->m.uvlinesize); - dsp->get_pixels(ctx->blocks[3], ptr_v , ctx->m.uvlinesize); + dsp->get_pixels(ctx->blocks[0], ptr_y, ctx->m.linesize); + dsp->get_pixels(ctx->blocks[1], ptr_y + bw, ctx->m.linesize); + dsp->get_pixels(ctx->blocks[2], ptr_u, ctx->m.uvlinesize); + dsp->get_pixels(ctx->blocks[3], ptr_v, ctx->m.uvlinesize); if (mb_y+1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) { if (ctx->interlaced) { - ctx->get_pixels_8x4_sym(ctx->blocks[4], ptr_y + ctx->dct_y_offset , ctx->m.linesize); - ctx->get_pixels_8x4_sym(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize); - ctx->get_pixels_8x4_sym(ctx->blocks[6], ptr_u + ctx->dct_uv_offset , ctx->m.uvlinesize); - ctx->get_pixels_8x4_sym(ctx->blocks[7], ptr_v + ctx->dct_uv_offset , ctx->m.uvlinesize); + ctx->get_pixels_8x4_sym(ctx->blocks[4], ptr_y + ctx->dct_y_offset, ctx->m.linesize); + ctx->get_pixels_8x4_sym(ctx->blocks[5], ptr_y + ctx->dct_y_offset + bw, ctx->m.linesize); + ctx->get_pixels_8x4_sym(ctx->blocks[6], ptr_u + ctx->dct_uv_offset, ctx->m.uvlinesize); + ctx->get_pixels_8x4_sym(ctx->blocks[7], ptr_v + ctx->dct_uv_offset, ctx->m.uvlinesize); } else { - dsp->clear_block(ctx->blocks[4]); dsp->clear_block(ctx->blocks[5]); - dsp->clear_block(ctx->blocks[6]); dsp->clear_block(ctx->blocks[7]); + dsp->clear_block(ctx->blocks[4]); + dsp->clear_block(ctx->blocks[5]); + dsp->clear_block(ctx->blocks[6]); + dsp->clear_block(ctx->blocks[7]); } } else { - dsp->get_pixels(ctx->blocks[4], ptr_y + ctx->dct_y_offset , ctx->m.linesize); - dsp->get_pixels(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize); - dsp->get_pixels(ctx->blocks[6], ptr_u + ctx->dct_uv_offset , ctx->m.uvlinesize); - dsp->get_pixels(ctx->blocks[7], ptr_v + ctx->dct_uv_offset , ctx->m.uvlinesize); + dsp->get_pixels(ctx->blocks[4], ptr_y + ctx->dct_y_offset, ctx->m.linesize); + dsp->get_pixels(ctx->blocks[5], ptr_y + ctx->dct_y_offset + bw, ctx->m.linesize); + dsp->get_pixels(ctx->blocks[6], ptr_u + ctx->dct_uv_offset, ctx->m.uvlinesize); + dsp->get_pixels(ctx->blocks[7], ptr_v + ctx->dct_uv_offset, ctx->m.uvlinesize); } } @@ -398,11 +513,12 @@ static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, int jobnr, i DNXHDEncContext *ctx = avctx->priv_data; int mb_y = jobnr, mb_x; int qscale = ctx->qscale; + LOCAL_ALIGNED_16(DCTELEM, block, [64]); ctx = ctx->thread[threadnr]; ctx->m.last_dc[0] = ctx->m.last_dc[1] = - ctx->m.last_dc[2] = 1024; + ctx->m.last_dc[2] = 1 << (ctx->cid_table->bit_depth + 2); for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) { unsigned mb = mb_y * ctx->m.mb_width + mb_x; @@ -414,18 +530,19 @@ static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, int jobnr, i dnxhd_get_blocks(ctx, mb_x, mb_y); for (i = 0; i < 8; i++) { - DECLARE_ALIGNED_16(DCTELEM, block[64]); DCTELEM *src_block = ctx->blocks[i]; int overflow, nbits, diff, last_index; int n = dnxhd_switch_matrix(ctx, i); - memcpy(block, src_block, sizeof(block)); - last_index = ctx->m.dct_quantize((MpegEncContext*)ctx, block, i, qscale, &overflow); + memcpy(block, src_block, 64*sizeof(*block)); + last_index = ctx->m.dct_quantize(&ctx->m, block, i, qscale, &overflow); ac_bits += dnxhd_calc_ac_bits(ctx, block, last_index); diff = block[0] - ctx->m.last_dc[n]; if (diff < 0) nbits = av_log2_16bit(-2*diff); else nbits = av_log2_16bit( 2*diff); + + assert(nbits < ctx->cid_table->bit_depth + 4); dc_bits += ctx->cid_table->dc_bits[nbits] + nbits; ctx->m.last_dc[n] = block[0]; @@ -451,7 +568,7 @@ static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg, int jobnr, int ctx->m.last_dc[0] = ctx->m.last_dc[1] = - ctx->m.last_dc[2] = 1024; + ctx->m.last_dc[2] = 1 << (ctx->cid_table->bit_depth + 2); for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) { unsigned mb = mb_y * ctx->m.mb_width + mb_x; int qscale = ctx->mb_qscale[mb]; @@ -465,7 +582,7 @@ static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg, int jobnr, int DCTELEM *block = ctx->blocks[i]; int last_index, overflow; int n = dnxhd_switch_matrix(ctx, i); - last_index = ctx->m.dct_quantize((MpegEncContext*)ctx, block, i, qscale, &overflow); + last_index = ctx->m.dct_quantize(&ctx->m, block, i, qscale, &overflow); //START_TIMER; dnxhd_encode_block(ctx, block, last_index, n); //STOP_TIMER("encode_block"); @@ -484,14 +601,14 @@ static void dnxhd_setup_threads_slices(DNXHDEncContext *ctx) for (mb_y = 0; mb_y < ctx->m.mb_height; mb_y++) { int thread_size; ctx->slice_offs[mb_y] = offset; - ctx->slice_size[mb_y] = 0; - for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) { - unsigned mb = mb_y * ctx->m.mb_width + mb_x; - ctx->slice_size[mb_y] += ctx->mb_bits[mb]; - } - ctx->slice_size[mb_y] = (ctx->slice_size[mb_y]+31)&~31; - ctx->slice_size[mb_y] >>= 3; - thread_size = ctx->slice_size[mb_y]; + ctx->slice_size[mb_y] = 0; + for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) { + unsigned mb = mb_y * ctx->m.mb_width + mb_x; + ctx->slice_size[mb_y] += ctx->mb_bits[mb]; + } + ctx->slice_size[mb_y] = (ctx->slice_size[mb_y]+31)&~31; + ctx->slice_size[mb_y] >>= 3; + thread_size = ctx->slice_size[mb_y]; offset += thread_size; } } @@ -501,13 +618,40 @@ static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg, int jobnr, int DNXHDEncContext *ctx = avctx->priv_data; int mb_y = jobnr, mb_x; ctx = ctx->thread[threadnr]; - for (mb_x = 0; mb_x < ctx->m.mb_width; mb_x++) { - unsigned mb = mb_y * ctx->m.mb_width + mb_x; - uint8_t *pix = ctx->thread[0]->src[0] + ((mb_y<<4) * ctx->m.linesize) + (mb_x<<4); - int sum = ctx->m.dsp.pix_sum(pix, ctx->m.linesize); - int varc = (ctx->m.dsp.pix_norm1(pix, ctx->m.linesize) - (((unsigned)(sum*sum))>>8)+128)>>8; - ctx->mb_cmp[mb].value = varc; - ctx->mb_cmp[mb].mb = mb; + if (ctx->cid_table->bit_depth == 8) { + uint8_t *pix = ctx->thread[0]->src[0] + ((mb_y<<4) * ctx->m.linesize); + for (mb_x = 0; mb_x < ctx->m.mb_width; ++mb_x, pix += 16) { + unsigned mb = mb_y * ctx->m.mb_width + mb_x; + int sum = ctx->m.dsp.pix_sum(pix, ctx->m.linesize); + int varc = (ctx->m.dsp.pix_norm1(pix, ctx->m.linesize) - (((unsigned)sum*sum)>>8)+128)>>8; + ctx->mb_cmp[mb].value = varc; + ctx->mb_cmp[mb].mb = mb; + } + } else { // 10-bit + int const linesize = ctx->m.linesize >> 1; + for (mb_x = 0; mb_x < ctx->m.mb_width; ++mb_x) { + uint16_t *pix = (uint16_t*)ctx->thread[0]->src[0] + ((mb_y << 4) * linesize) + (mb_x << 4); + unsigned mb = mb_y * ctx->m.mb_width + mb_x; + int sum = 0; + int sqsum = 0; + int mean, sqmean; + int i, j; + // Macroblocks are 16x16 pixels, unlike DCT blocks which are 8x8. + for (i = 0; i < 16; ++i) { + for (j = 0; j < 16; ++j) { + // Turn 16-bit pixels into 10-bit ones. + int const sample = (unsigned)pix[j] >> 6; + sum += sample; + sqsum += sample * sample; + // 2^10 * 2^10 * 16 * 16 = 2^28, which is less than INT_MAX + } + pix += linesize; + } + mean = sum >> 8; // 16*16 == 2^8 + sqmean = sqsum >> 8; + ctx->mb_cmp[mb].value = sqmean - mean * mean; + ctx->mb_cmp[mb].mb = mb; + } } return 0; } @@ -552,7 +696,7 @@ static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx) if (bits > ctx->frame_bits) break; } - //dprintf(ctx->m.avctx, "lambda %d, up %u, down %u, bits %d, frame %d\n", + //av_dlog(ctx->m.avctx, "lambda %d, up %u, down %u, bits %d, frame %d\n", // lambda, last_higher, last_lower, bits, ctx->frame_bits); if (end) { if (bits > ctx->frame_bits) @@ -582,7 +726,7 @@ static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx) down_step = 1<m.avctx, "out lambda %d\n", lambda); + //av_dlog(ctx->m.avctx, "out lambda %d\n", lambda); ctx->lambda = lambda; return 0; } @@ -610,7 +754,7 @@ static int dnxhd_find_qscale(DNXHDEncContext *ctx) if (bits > ctx->frame_bits) break; } - //dprintf(ctx->m.avctx, "%d, qscale %d, bits %d, frame %d, higher %d, lower %d\n", + //av_dlog(ctx->m.avctx, "%d, qscale %d, bits %d, frame %d, higher %d, lower %d\n", // ctx->m.avctx->frame_number, qscale, bits, ctx->frame_bits, last_higher, last_lower); if (bits < ctx->frame_bits) { if (qscale == 1) @@ -640,7 +784,7 @@ static int dnxhd_find_qscale(DNXHDEncContext *ctx) return -1; } } - //dprintf(ctx->m.avctx, "out qscale %d\n", qscale); + //av_dlog(ctx->m.avctx, "out qscale %d\n", qscale); ctx->qscale = qscale; return 0; } @@ -848,14 +992,16 @@ static int dnxhd_encode_end(AVCodecContext *avctx) return 0; } -AVCodec dnxhd_encoder = { - "dnxhd", - CODEC_TYPE_VIDEO, - CODEC_ID_DNXHD, - sizeof(DNXHDEncContext), - dnxhd_encode_init, - dnxhd_encode_picture, - dnxhd_encode_end, - .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_NONE}, +AVCodec ff_dnxhd_encoder = { + .name = "dnxhd", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_DNXHD, + .priv_data_size = sizeof(DNXHDEncContext), + .init = dnxhd_encode_init, + .encode = dnxhd_encode_picture, + .close = dnxhd_encode_end, + .capabilities = CODEC_CAP_SLICE_THREADS, + .pix_fmts = (const enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_YUV422P10, PIX_FMT_NONE}, .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"), + .priv_class = &class, };