From 22e28216336da876e1fd17f380ce42eaf1446769 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Mon, 17 Feb 2014 13:36:38 +0000 Subject: chasing indexing error --- ffmpeg/libavcodec/dnxhdenc.c | 1053 ------------------------------------------ 1 file changed, 1053 deletions(-) delete mode 100644 ffmpeg/libavcodec/dnxhdenc.c (limited to 'ffmpeg/libavcodec/dnxhdenc.c') diff --git a/ffmpeg/libavcodec/dnxhdenc.c b/ffmpeg/libavcodec/dnxhdenc.c deleted file mode 100644 index c2fbd5c..0000000 --- a/ffmpeg/libavcodec/dnxhdenc.c +++ /dev/null @@ -1,1053 +0,0 @@ -/* - * 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. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#define RC_VARIANCE 1 // use variance or ssd for fast rc - -#include "libavutil/attributes.h" -#include "libavutil/internal.h" -#include "libavutil/opt.h" -#include "avcodec.h" -#include "dsputil.h" -#include "internal.h" -#include "mpegvideo.h" -#include "dnxhdenc.h" - -#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, {.i64 = 0}, 0, 1, VE}, -{NULL} -}; - -static const AVClass dnxhd_class = { - .class_name = "dnxhd", - .item_name = av_default_item_name, - .option = options, - .version = LIBAVUTIL_VERSION_INT, -}; - -#define LAMBDA_FRAC_BITS 10 - -static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *av_restrict block, const uint8_t *pixels, int line_size) -{ - int i; - for (i = 0; i < 4; i++) { - block[0] = pixels[0]; block[1] = pixels[1]; - block[2] = pixels[2]; block[3] = pixels[3]; - block[4] = pixels[4]; block[5] = pixels[5]; - block[6] = pixels[6]; block[7] = pixels[7]; - 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); -} - -static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym(int16_t *av_restrict block, const uint8_t *pixels, int line_size) -{ - int i; - const uint16_t* pixels16 = (const uint16_t*)pixels; - line_size >>= 1; - - for (i = 0; i < 4; i++) { - block[0] = pixels16[0]; block[1] = pixels16[1]; - block[2] = pixels16[2]; block[3] = pixels16[3]; - block[4] = pixels16[4]; block[5] = pixels16[5]; - block[6] = pixels16[6]; block[7] = pixels16[7]; - pixels16 += 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); -} - -static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, int16_t *block, - int n, int qscale, int *overflow) -{ - const uint8_t *scantable= ctx->intra_scantable.scantable; - const int *qmat = n<4 ? ctx->q_intra_matrix[qscale] : ctx->q_chroma_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 av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx) -{ - int i, j, level, run; - 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); - - ctx->vlc_codes += max_level*2; - ctx->vlc_bits += max_level*2; - for (level = -max_level; level < max_level; level++) { - for (run = 0; run < 2; run++) { - int index = (level<<1)|run; - int sign, offset = 0, alevel = level; - - MASK_ABS(sign, alevel); - if (alevel > 64) { - offset = (alevel-1)>>6; - alevel -= offset<<6; - } - for (j = 0; j < 257; j++) { - if (ctx->cid_table->ac_level[j] >> 1 == alevel && - (!offset || (ctx->cid_table->ac_flags[j] & 1) && offset) && - (!run || (ctx->cid_table->ac_flags[j] & 2) && run)) { - av_assert1(!ctx->vlc_codes[index]); - if (alevel) { - ctx->vlc_codes[index] = (ctx->cid_table->ac_codes[j]<<1)|(sign&1); - ctx->vlc_bits [index] = ctx->cid_table->ac_bits[j]+1; - } else { - ctx->vlc_codes[index] = ctx->cid_table->ac_codes[j]; - ctx->vlc_bits [index] = ctx->cid_table->ac_bits [j]; - } - break; - } - } - av_assert0(!alevel || j < 257); - if (offset) { - ctx->vlc_codes[index] = (ctx->vlc_codes[index]<cid_table->index_bits)|offset; - ctx->vlc_bits [index]+= ctx->cid_table->index_bits; - } - } - } - for (i = 0; i < 62; i++) { - int run = ctx->cid_table->run[i]; - av_assert0(run < 63); - ctx->run_codes[run] = ctx->cid_table->run_codes[i]; - ctx->run_bits [run] = ctx->cid_table->run_bits[i]; - } - return 0; - fail: - return -1; -} - -static av_cold 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_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); - - 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]); - } - } - } - - ctx->m.q_chroma_intra_matrix16 = ctx->qmatrix_c16; - ctx->m.q_chroma_intra_matrix = ctx->qmatrix_c; - ctx->m.q_intra_matrix16 = ctx->qmatrix_l16; - ctx->m.q_intra_matrix = ctx->qmatrix_l; - - return 0; - fail: - return -1; -} - -static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx) -{ - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_rc, 8160*ctx->m.avctx->qmax*sizeof(RCEntry), fail); - 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 - ctx->min_padding) * 8; - ctx->qscale = 1; - ctx->lambda = 2<priv_data; - int i, index, bit_depth; - - switch (avctx->pix_fmt) { - case AV_PIX_FMT_YUV422P: - bit_depth = 8; - break; - case AV_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, bit_depth); - if (!ctx->cid) { - av_log(avctx, AV_LOG_ERROR, "video parameters incompatible with DNxHD. Valid DNxHD profiles:\n"); - ff_dnxhd_print_profiles(avctx, AV_LOG_ERROR); - return -1; - } - av_log(avctx, AV_LOG_DEBUG, "cid %d\n", ctx->cid); - - index = ff_dnxhd_get_cid_table(ctx->cid); - av_assert0(index >= 0); - ctx->cid_table = &ff_dnxhd_cid_table[index]; - - ctx->m.avctx = avctx; - ctx->m.mb_intra = 1; - ctx->m.h263_aic = 1; - - avctx->bits_per_raw_sample = ctx->cid_table->bit_depth; - - ff_dct_common_init(&ctx->m); - ff_dct_encode_init(&ctx->m); - - if (!ctx->m.dct_quantize) - ctx->m.dct_quantize = ff_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 (ARCH_X86) - ff_dnxhdenc_init_x86(ctx); - - ctx->m.mb_height = (avctx->height + 15) / 16; - ctx->m.mb_width = (avctx->width + 15) / 16; - - if (avctx->flags & CODEC_FLAG_INTERLACED_DCT) { - ctx->interlaced = 1; - ctx->m.mb_height /= 2; - } - - ctx->m.mb_num = ctx->m.mb_height * ctx->m.mb_width; - - if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS) - ctx->m.intra_quant_bias = avctx->intra_quant_bias; - 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) - return -1; - - 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); - - avctx->coded_frame = av_frame_alloc(); - if (!avctx->coded_frame) - return AVERROR(ENOMEM); - - avctx->coded_frame->key_frame = 1; - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; - - if (avctx->thread_count > MAX_THREADS) { - av_log(avctx, AV_LOG_ERROR, "too many threads\n"); - return -1; - } - - ctx->thread[0] = ctx; - for (i = 1; i < avctx->thread_count; i++) { - ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext)); - memcpy(ctx->thread[i], ctx, sizeof(DNXHDEncContext)); - } - - return 0; - fail: //for FF_ALLOCZ_OR_GOTO - return -1; -} - -static int dnxhd_write_header(AVCodecContext *avctx, uint8_t *buf) -{ - DNXHDEncContext *ctx = avctx->priv_data; - static const uint8_t header_prefix[5] = { 0x00,0x00,0x02,0x80,0x01 }; - - memset(buf, 0, 640); - - memcpy(buf, header_prefix, 5); - 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>>ctx->interlaced); // ALPF - AV_WB16(buf + 0x1a, avctx->width); // SPL - AV_WB16(buf + 0x1d, avctx->height>>ctx->interlaced); // NAL - - 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; - - buf[0x5f] = 0x01; // UDL - - buf[0x167] = 0x02; // reserved - AV_WB16(buf + 0x16a, ctx->m.mb_height * 4 + 4); // MSIPS - buf[0x16d] = ctx->m.mb_height; // Ns - buf[0x16f] = 0x10; // reserved - - ctx->msip = buf + 0x170; - return 0; -} - -static av_always_inline void dnxhd_encode_dc(DNXHDEncContext *ctx, int diff) -{ - int nbits; - if (diff < 0) { - nbits = av_log2_16bit(-2*diff); - diff--; - } else { - nbits = av_log2_16bit(2*diff); - } - put_bits(&ctx->m.pb, ctx->cid_table->dc_bits[nbits] + nbits, - (ctx->cid_table->dc_codes[nbits]<m.last_dc[n]); - ctx->m.last_dc[n] = block[0]; - - for (i = 1; i <= last_index; i++) { - j = ctx->m.intra_scantable.permutated[i]; - slevel = block[j]; - if (slevel) { - int run_level = i - last_non_zero - 1; - int rlevel = (slevel<<1)|!!run_level; - put_bits(&ctx->m.pb, ctx->vlc_bits[rlevel], ctx->vlc_codes[rlevel]); - if (run_level) - put_bits(&ctx->m.pb, ctx->run_bits[run_level], ctx->run_codes[run_level]); - last_non_zero = i; - } - } - put_bits(&ctx->m.pb, ctx->vlc_bits[0], ctx->vlc_codes[0]); // EOB -} - -static av_always_inline void dnxhd_unquantize_c(DNXHDEncContext *ctx, int16_t *block, int n, int qscale, int last_index) -{ - const uint8_t *weight_matrix; - int level; - int i; - - weight_matrix = (n&2) ? ctx->cid_table->chroma_weight : ctx->cid_table->luma_weight; - - for (i = 1; i <= last_index; i++) { - int j = ctx->m.intra_scantable.permutated[i]; - level = block[j]; - if (level) { - if (level < 0) { - level = (1-2*level) * qscale * weight_matrix[i]; - 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 (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; - } - } -} - -static av_always_inline int dnxhd_ssd_block(int16_t *qblock, int16_t *block) -{ - int score = 0; - int i; - for (i = 0; i < 64; i++) - score += (block[i] - qblock[i]) * (block[i] - qblock[i]); - return score; -} - -static av_always_inline int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, int16_t *block, int last_index) -{ - int last_non_zero = 0; - int bits = 0; - int i, j, level; - for (i = 1; i <= last_index; i++) { - j = ctx->m.intra_scantable.permutated[i]; - level = block[j]; - if (level) { - int run_level = i - last_non_zero - 1; - bits += ctx->vlc_bits[(level<<1)|!!run_level]+ctx->run_bits[run_level]; - last_non_zero = i; - } - } - return bits; -} - -static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y) -{ - 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 + 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 + 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]); - } - } 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 + 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); - } -} - -static av_always_inline int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i) -{ - const static uint8_t component[8]={0,0,1,2,0,0,1,2}; - return component[i]; -} - -static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr) -{ - DNXHDEncContext *ctx = avctx->priv_data; - int mb_y = jobnr, mb_x; - int qscale = ctx->qscale; - LOCAL_ALIGNED_16(int16_t, block, [64]); - ctx = ctx->thread[threadnr]; - - ctx->m.last_dc[0] = - ctx->m.last_dc[1] = - 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 ssd = 0; - int ac_bits = 0; - int dc_bits = 0; - int i; - - dnxhd_get_blocks(ctx, mb_x, mb_y); - - for (i = 0; i < 8; i++) { - int16_t *src_block = ctx->blocks[i]; - int overflow, nbits, diff, last_index; - int n = dnxhd_switch_matrix(ctx, i); - - memcpy(block, src_block, 64*sizeof(*block)); - last_index = ctx->m.dct_quantize(&ctx->m, block, 4&(2*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); - - av_assert1(nbits < ctx->cid_table->bit_depth + 4); - dc_bits += ctx->cid_table->dc_bits[nbits] + nbits; - - ctx->m.last_dc[n] = block[0]; - - if (avctx->mb_decision == FF_MB_DECISION_RD || !RC_VARIANCE) { - dnxhd_unquantize_c(ctx, block, i, qscale, last_index); - ctx->m.dsp.idct(block); - ssd += dnxhd_ssd_block(block, src_block); - } - } - ctx->mb_rc[qscale][mb].ssd = ssd; - ctx->mb_rc[qscale][mb].bits = ac_bits+dc_bits+12+8*ctx->vlc_bits[0]; - } - return 0; -} - -static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr) -{ - DNXHDEncContext *ctx = avctx->priv_data; - int mb_y = jobnr, mb_x; - ctx = ctx->thread[threadnr]; - init_put_bits(&ctx->m.pb, (uint8_t *)arg + 640 + ctx->slice_offs[jobnr], ctx->slice_size[jobnr]); - - ctx->m.last_dc[0] = - ctx->m.last_dc[1] = - 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]; - int i; - - put_bits(&ctx->m.pb, 12, qscale<<1); - - dnxhd_get_blocks(ctx, mb_x, mb_y); - - for (i = 0; i < 8; i++) { - int16_t *block = ctx->blocks[i]; - int overflow, n = dnxhd_switch_matrix(ctx, i); - int last_index = ctx->m.dct_quantize(&ctx->m, block, 4&(2*i), qscale, &overflow); - //START_TIMER; - dnxhd_encode_block(ctx, block, last_index, n); - //STOP_TIMER("encode_block"); - } - } - if (put_bits_count(&ctx->m.pb)&31) - put_bits(&ctx->m.pb, 32-(put_bits_count(&ctx->m.pb)&31), 0); - flush_put_bits(&ctx->m.pb); - return 0; -} - -static void dnxhd_setup_threads_slices(DNXHDEncContext *ctx) -{ - int mb_y, mb_x; - int offset = 0; - 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]; - offset += thread_size; - } -} - -static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr) -{ - DNXHDEncContext *ctx = avctx->priv_data; - int mb_y = jobnr, mb_x, x, y; - int partial_last_row = (mb_y == ctx->m.mb_height - 1) && - ((avctx->height >> ctx->interlaced) & 0xF); - - ctx = ctx->thread[threadnr]; - 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; - int varc; - - if (!partial_last_row && mb_x * 16 <= avctx->width - 16) { - sum = ctx->m.dsp.pix_sum(pix, ctx->m.linesize); - varc = ctx->m.dsp.pix_norm1(pix, ctx->m.linesize); - } else { - int bw = FFMIN(avctx->width - 16 * mb_x, 16); - int bh = FFMIN((avctx->height >> ctx->interlaced) - 16 * mb_y, 16); - sum = varc = 0; - for (y = 0; y < bh; y++) { - for (x = 0; x < bw; x++) { - uint8_t val = pix[x + y * ctx->m.linesize]; - sum += val; - varc += val * val; - } - } - } - varc = (varc - (((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; -} - -static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx) -{ - int lambda, up_step, down_step; - int last_lower = INT_MAX, last_higher = 0; - int x, y, q; - - for (q = 1; q < avctx->qmax; q++) { - ctx->qscale = q; - avctx->execute2(avctx, dnxhd_calc_bits_thread, NULL, NULL, ctx->m.mb_height); - } - up_step = down_step = 2<lambda; - - for (;;) { - int bits = 0; - int end = 0; - if (lambda == last_higher) { - lambda++; - end = 1; // need to set final qscales/bits - } - for (y = 0; y < ctx->m.mb_height; y++) { - for (x = 0; x < ctx->m.mb_width; x++) { - unsigned min = UINT_MAX; - int qscale = 1; - int mb = y*ctx->m.mb_width+x; - for (q = 1; q < avctx->qmax; q++) { - unsigned score = ctx->mb_rc[q][mb].bits*lambda+ - ((unsigned)ctx->mb_rc[q][mb].ssd<mb_rc[qscale][mb].bits; - ctx->mb_qscale[mb] = qscale; - ctx->mb_bits[mb] = ctx->mb_rc[qscale][mb].bits; - } - bits = (bits+31)&~31; // padding - if (bits > ctx->frame_bits) - break; - } - //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) - return -1; - break; - } - if (bits < ctx->frame_bits) { - last_lower = FFMIN(lambda, last_lower); - if (last_higher != 0) - lambda = (lambda+last_higher)>>1; - else - lambda -= down_step; - down_step = FFMIN((int64_t)down_step*5, INT_MAX); - up_step = 1<>1; - else if ((int64_t)lambda + up_step > INT_MAX) - return -1; - else - lambda += up_step; - up_step = FFMIN((int64_t)up_step*5, INT_MAX); - down_step = 1<m.avctx, "out lambda %d\n", lambda); - ctx->lambda = lambda; - return 0; -} - -static int dnxhd_find_qscale(DNXHDEncContext *ctx) -{ - int bits = 0; - int up_step = 1; - int down_step = 1; - int last_higher = 0; - int last_lower = INT_MAX; - int qscale; - int x, y; - - qscale = ctx->qscale; - for (;;) { - bits = 0; - ctx->qscale = qscale; - // XXX avoid recalculating bits - ctx->m.avctx->execute2(ctx->m.avctx, dnxhd_calc_bits_thread, NULL, NULL, ctx->m.mb_height); - for (y = 0; y < ctx->m.mb_height; y++) { - for (x = 0; x < ctx->m.mb_width; x++) - bits += ctx->mb_rc[qscale][y*ctx->m.mb_width+x].bits; - bits = (bits+31)&~31; // padding - if (bits > ctx->frame_bits) - break; - } - //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) - return 1; - if (last_higher == qscale - 1) { - qscale = last_higher; - break; - } - last_lower = FFMIN(qscale, last_lower); - if (last_higher != 0) - qscale = (qscale+last_higher)>>1; - else - qscale -= down_step++; - if (qscale < 1) - qscale = 1; - up_step = 1; - } else { - if (last_lower == qscale + 1) - break; - last_higher = FFMAX(qscale, last_higher); - if (last_lower != INT_MAX) - qscale = (qscale+last_lower)>>1; - else - qscale += up_step++; - down_step = 1; - if (qscale >= ctx->m.avctx->qmax) - return -1; - } - } - //av_dlog(ctx->m.avctx, "out qscale %d\n", qscale); - ctx->qscale = qscale; - return 0; -} - -#define BUCKET_BITS 8 -#define RADIX_PASSES 4 -#define NBUCKETS (1 << BUCKET_BITS) - -static inline int get_bucket(int value, int shift) -{ - value >>= shift; - value &= NBUCKETS - 1; - return NBUCKETS - 1 - value; -} - -static void radix_count(const RCCMPEntry *data, int size, int buckets[RADIX_PASSES][NBUCKETS]) -{ - int i, j; - memset(buckets, 0, sizeof(buckets[0][0]) * RADIX_PASSES * NBUCKETS); - for (i = 0; i < size; i++) { - int v = data[i].value; - for (j = 0; j < RADIX_PASSES; j++) { - buckets[j][get_bucket(v, 0)]++; - v >>= BUCKET_BITS; - } - av_assert1(!v); - } - for (j = 0; j < RADIX_PASSES; j++) { - int offset = size; - for (i = NBUCKETS - 1; i >= 0; i--) - buckets[j][i] = offset -= buckets[j][i]; - av_assert1(!buckets[j][0]); - } -} - -static void radix_sort_pass(RCCMPEntry *dst, const RCCMPEntry *data, int size, int buckets[NBUCKETS], int pass) -{ - int shift = pass * BUCKET_BITS; - int i; - for (i = 0; i < size; i++) { - int v = get_bucket(data[i].value, shift); - int pos = buckets[v]++; - dst[pos] = data[i]; - } -} - -static void radix_sort(RCCMPEntry *data, int size) -{ - int buckets[RADIX_PASSES][NBUCKETS]; - RCCMPEntry *tmp = av_malloc(sizeof(*tmp) * size); - radix_count(data, size, buckets); - radix_sort_pass(tmp, data, size, buckets[0], 0); - radix_sort_pass(data, tmp, size, buckets[1], 1); - if (buckets[2][NBUCKETS - 1] || buckets[3][NBUCKETS - 1]) { - radix_sort_pass(tmp, data, size, buckets[2], 2); - radix_sort_pass(data, tmp, size, buckets[3], 3); - } - av_free(tmp); -} - -static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx) -{ - int max_bits = 0; - int ret, x, y; - if ((ret = dnxhd_find_qscale(ctx)) < 0) - return -1; - for (y = 0; y < ctx->m.mb_height; y++) { - for (x = 0; x < ctx->m.mb_width; x++) { - int mb = y*ctx->m.mb_width+x; - int delta_bits; - ctx->mb_qscale[mb] = ctx->qscale; - ctx->mb_bits[mb] = ctx->mb_rc[ctx->qscale][mb].bits; - max_bits += ctx->mb_rc[ctx->qscale][mb].bits; - if (!RC_VARIANCE) { - delta_bits = ctx->mb_rc[ctx->qscale][mb].bits-ctx->mb_rc[ctx->qscale+1][mb].bits; - ctx->mb_cmp[mb].mb = mb; - ctx->mb_cmp[mb].value = delta_bits ? - ((ctx->mb_rc[ctx->qscale][mb].ssd-ctx->mb_rc[ctx->qscale+1][mb].ssd)*100)/delta_bits - : INT_MIN; //avoid increasing qscale - } - } - max_bits += 31; //worst padding - } - if (!ret) { - if (RC_VARIANCE) - avctx->execute2(avctx, dnxhd_mb_var_thread, NULL, NULL, ctx->m.mb_height); - radix_sort(ctx->mb_cmp, ctx->m.mb_num); - for (x = 0; x < ctx->m.mb_num && max_bits > ctx->frame_bits; x++) { - int mb = ctx->mb_cmp[x].mb; - max_bits -= ctx->mb_rc[ctx->qscale][mb].bits - ctx->mb_rc[ctx->qscale+1][mb].bits; - ctx->mb_qscale[mb] = ctx->qscale+1; - ctx->mb_bits[mb] = ctx->mb_rc[ctx->qscale+1][mb].bits; - } - } - return 0; -} - -static void dnxhd_load_picture(DNXHDEncContext *ctx, const AVFrame *frame) -{ - int i; - - for (i = 0; i < ctx->m.avctx->thread_count; i++) { - ctx->thread[i]->m.linesize = frame->linesize[0] << ctx->interlaced; - ctx->thread[i]->m.uvlinesize = frame->linesize[1] << ctx->interlaced; - ctx->thread[i]->dct_y_offset = ctx->m.linesize *8; - ctx->thread[i]->dct_uv_offset = ctx->m.uvlinesize*8; - } - - ctx->m.avctx->coded_frame->interlaced_frame = frame->interlaced_frame; - ctx->cur_field = frame->interlaced_frame && !frame->top_field_first; -} - -static int dnxhd_encode_picture(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *frame, int *got_packet) -{ - DNXHDEncContext *ctx = avctx->priv_data; - int first_field = 1; - int offset, i, ret; - uint8_t *buf; - - if ((ret = ff_alloc_packet2(avctx, pkt, ctx->cid_table->frame_size)) < 0) - return ret; - buf = pkt->data; - - dnxhd_load_picture(ctx, frame); - - encode_coding_unit: - for (i = 0; i < 3; i++) { - ctx->src[i] = frame->data[i]; - if (ctx->interlaced && ctx->cur_field) - ctx->src[i] += frame->linesize[i]; - } - - dnxhd_write_header(avctx, buf); - - if (avctx->mb_decision == FF_MB_DECISION_RD) - ret = dnxhd_encode_rdo(avctx, ctx); - else - ret = dnxhd_encode_fast(avctx, ctx); - if (ret < 0) { - av_log(avctx, AV_LOG_ERROR, - "picture could not fit ratecontrol constraints, increase qmax\n"); - return -1; - } - - dnxhd_setup_threads_slices(ctx); - - offset = 0; - for (i = 0; i < ctx->m.mb_height; i++) { - AV_WB32(ctx->msip + i * 4, offset); - offset += ctx->slice_size[i]; - av_assert1(!(ctx->slice_size[i] & 3)); - } - - avctx->execute2(avctx, dnxhd_encode_thread, buf, NULL, ctx->m.mb_height); - - av_assert1(640 + offset + 4 <= ctx->cid_table->coding_unit_size); - memset(buf + 640 + offset, 0, ctx->cid_table->coding_unit_size - 4 - offset - 640); - - AV_WB32(buf + ctx->cid_table->coding_unit_size - 4, 0x600DC0DE); // EOF - - if (ctx->interlaced && first_field) { - first_field = 0; - ctx->cur_field ^= 1; - buf += ctx->cid_table->coding_unit_size; - goto encode_coding_unit; - } - - avctx->coded_frame->quality = ctx->qscale * FF_QP2LAMBDA; - - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - return 0; -} - -static av_cold int dnxhd_encode_end(AVCodecContext *avctx) -{ - DNXHDEncContext *ctx = avctx->priv_data; - int max_level = 1<<(ctx->cid_table->bit_depth+2); - int i; - - av_free(ctx->vlc_codes-max_level*2); - av_free(ctx->vlc_bits -max_level*2); - av_freep(&ctx->run_codes); - av_freep(&ctx->run_bits); - - av_freep(&ctx->mb_bits); - av_freep(&ctx->mb_qscale); - av_freep(&ctx->mb_rc); - av_freep(&ctx->mb_cmp); - av_freep(&ctx->slice_size); - av_freep(&ctx->slice_offs); - - av_freep(&ctx->qmatrix_c); - av_freep(&ctx->qmatrix_l); - av_freep(&ctx->qmatrix_c16); - av_freep(&ctx->qmatrix_l16); - - for (i = 1; i < avctx->thread_count; i++) - av_freep(&ctx->thread[i]); - - av_frame_free(&avctx->coded_frame); - - return 0; -} - -static const AVCodecDefault dnxhd_defaults[] = { - { "qmax", "1024" }, /* Maximum quantization scale factor allowed for VC-3 */ - { NULL }, -}; - -AVCodec ff_dnxhd_encoder = { - .name = "dnxhd", - .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_DNXHD, - .priv_data_size = sizeof(DNXHDEncContext), - .init = dnxhd_encode_init, - .encode2 = dnxhd_encode_picture, - .close = dnxhd_encode_end, - .capabilities = CODEC_CAP_SLICE_THREADS, - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P, - AV_PIX_FMT_YUV422P10, - AV_PIX_FMT_NONE }, - .priv_class = &dnxhd_class, - .defaults = dnxhd_defaults, -}; -- cgit v1.2.3