/*
* VC3/DNxHD encoder
* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
+ * Copyright (c) 2011 MirriAd Ltd
*
* VC-3 encoder funded by the British Broadcasting Corporation
+ * 10 bit support added by MirriAd Ltd, Joseph Artsimovich <joseph@mirriad.com>
*
- * 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/attributes.h"
+#include "libavutil/internal.h"
+#include "libavutil/opt.h"
+#include "libavutil/timer.h"
#include "avcodec.h"
+#include "blockdsp.h"
#include "dsputil.h"
+#include "internal.h"
#include "mpegvideo.h"
#include "dnxhdenc.h"
-int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
-
+// The largest value that will not lead to overflow for 10bit samples.
+#define DNX10BIT_QMAT_SHIFT 18
+#define RC_VARIANCE 1 // use variance or ssd for fast rc
#define LAMBDA_FRAC_BITS 10
-static int dnxhd_init_vlc(DNXHDEncContext *ctx)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+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 class = {
+ "dnxhd",
+ av_default_item_name,
+ options,
+ LIBAVUTIL_VERSION_INT
+};
+
+static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block,
+ const uint8_t *pixels,
+ ptrdiff_t line_size)
{
- int i, j, level, run;
- int max_level = 1<<(ctx->cid_table->bit_depth+2);
+ 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 *restrict block,
+ const uint8_t *pixels,
+ ptrdiff_t 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, int16_t *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;
+ }
- CHECKED_ALLOCZ(ctx->vlc_codes, max_level*4*sizeof(*ctx->vlc_codes));
- CHECKED_ALLOCZ(ctx->vlc_bits, max_level*4*sizeof(*ctx->vlc_bits));
- CHECKED_ALLOCZ(ctx->run_codes, 63*2);
- CHECKED_ALLOCZ(ctx->run_bits, 63);
+ return last_non_zero;
+}
- ctx->vlc_codes += max_level*2;
- ctx->vlc_bits += max_level*2;
+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 index = (level << 1) | run;
int sign, offset = 0, alevel = level;
MASK_ABS(sign, alevel);
if (alevel > 64) {
- offset = (alevel-1)>>6;
- alevel -= offset<<6;
+ offset = (alevel - 1) >> 6;
+ alevel -= offset << 6;
}
for (j = 0; j < 257; j++) {
if (ctx->cid_table->ac_level[j] == alevel &&
(!run || (ctx->cid_table->ac_run_flag [j] && run))) {
assert(!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;
+ 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];
+ ctx->vlc_bits[index] = ctx->cid_table->ac_bits[j];
}
break;
}
}
assert(!alevel || j < 257);
if (offset) {
- ctx->vlc_codes[index] = (ctx->vlc_codes[index]<<ctx->cid_table->index_bits)|offset;
- ctx->vlc_bits [index]+= ctx->cid_table->index_bits;
+ ctx->vlc_codes[index] =
+ (ctx->vlc_codes[index] << ctx->cid_table->index_bits) | offset;
+ ctx->vlc_bits[index] += ctx->cid_table->index_bits;
}
}
}
int run = ctx->cid_table->run[i];
assert(run < 63);
ctx->run_codes[run] = ctx->cid_table->run_codes[i];
- ctx->run_bits [run] = ctx->cid_table->run_bits[i];
+ ctx->run_bits[run] = ctx->cid_table->run_bits[i];
}
return 0;
- fail:
- return -1;
+fail:
+ return AVERROR(ENOMEM);
}
-static int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias)
+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*
+ uint16_t weight_matrix[64] = { 1, }; // convert_matrix needs uint16_t*
int qscale, i;
-
- CHECKED_ALLOCZ(ctx->qmatrix_l, (ctx->m.avctx->qmax+1) * 64 * sizeof(int));
- CHECKED_ALLOCZ(ctx->qmatrix_c, (ctx->m.avctx->qmax+1) * 64 * sizeof(int));
- CHECKED_ALLOCZ(ctx->qmatrix_l16, (ctx->m.avctx->qmax+1) * 64 * 2 * sizeof(uint16_t));
- CHECKED_ALLOCZ(ctx->qmatrix_c16, (ctx->m.avctx->qmax+1) * 64 * 2 * sizeof(uint16_t));
-
- 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;
+ 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.idsp.idct_permutation[ff_zigzag_direct[i]];
+ weight_matrix[j] = ctx->cid_table->luma_weight[i];
+ }
+ ff_convert_matrix(&ctx->m, 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.idsp.idct_permutation[ff_zigzag_direct[i]];
+ weight_matrix[j] = ctx->cid_table->chroma_weight[i];
+ }
+ ff_convert_matrix(&ctx->m, 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.idsp.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;
+fail:
+ return AVERROR(ENOMEM);
}
-static int dnxhd_init_rc(DNXHDEncContext *ctx)
+static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx)
{
- CHECKED_ALLOCZ(ctx->mb_rc, 8160*ctx->m.avctx->qmax*sizeof(RCEntry));
+ 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)
- CHECKED_ALLOCZ(ctx->mb_cmp, ctx->m.mb_num*sizeof(RCCMPEntry));
+ 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<<LAMBDA_FRAC_BITS; // qscale 2
+ ctx->lambda = 2 << LAMBDA_FRAC_BITS; // qscale 2
return 0;
- fail:
- return -1;
+fail:
+ return AVERROR(ENOMEM);
}
-static int dnxhd_encode_init(AVCodecContext *avctx)
+static av_cold int dnxhd_encode_init(AVCodecContext *avctx)
{
DNXHDEncContext *ctx = avctx->priv_data;
- int i, index;
+ int i, index, bit_depth, ret;
+
+ 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 AVERROR(EINVAL);
+ }
- ctx->cid = ff_dnxhd_find_cid(avctx);
- if (!ctx->cid || avctx->pix_fmt != PIX_FMT_YUV422P) {
- av_log(avctx, AV_LOG_ERROR, "video parameters 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\n");
+ return AVERROR(EINVAL);
}
av_log(avctx, AV_LOG_DEBUG, "cid %d\n", ctx->cid);
index = ff_dnxhd_get_cid_table(ctx->cid);
ctx->cid_table = &ff_dnxhd_cid_table[index];
- ctx->m.avctx = avctx;
+ ctx->m.avctx = avctx;
ctx->m.mb_intra = 1;
ctx->m.h263_aic = 1;
- dsputil_init(&ctx->m.dsp, avctx);
+ avctx->bits_per_raw_sample = ctx->cid_table->bit_depth;
+
+ ff_blockdsp_init(&ctx->bdsp, avctx);
+ ff_dsputil_init(&ctx->m.dsp, avctx);
+ ff_idctdsp_init(&ctx->m.idsp, avctx);
+ ff_mpegvideoencdsp_init(&ctx->m.mpvencdsp, avctx);
ff_dct_common_init(&ctx->m);
if (!ctx->m.dct_quantize)
- ctx->m.dct_quantize = dct_quantize_c;
+ 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->interlaced = 1;
ctx->m.mb_height /= 2;
}
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;
-
- if (dnxhd_init_vlc(ctx) < 0)
- return -1;
- if (dnxhd_init_rc(ctx) < 0)
- return -1;
-
- CHECKED_ALLOCZ(ctx->slice_size, ctx->m.mb_height*sizeof(uint32_t));
- CHECKED_ALLOCZ(ctx->mb_bits, ctx->m.mb_num *sizeof(uint16_t));
- CHECKED_ALLOCZ(ctx->mb_qscale, ctx->m.mb_num *sizeof(uint8_t));
-
- ctx->frame.key_frame = 1;
- ctx->frame.pict_type = FF_I_TYPE;
- ctx->m.avctx->coded_frame = &ctx->frame;
-
- if (avctx->thread_count > MAX_THREADS || (avctx->thread_count > ctx->m.mb_height)) {
+ // XXX tune lbias/cbias
+ if ((ret = dnxhd_init_qmat(ctx, ctx->m.intra_quant_bias, 0)) < 0)
+ return ret;
+
+ /* Avid Nitris hardware decoder requires a minimum amount of padding
+ * in the coding unit payload */
+ if (ctx->nitris_compat)
+ ctx->min_padding = 1600;
+
+ if ((ret = dnxhd_init_vlc(ctx)) < 0)
+ return ret;
+ if ((ret = dnxhd_init_rc(ctx)) < 0)
+ return ret;
+
+ 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;
+ return AVERROR(EINVAL);
}
ctx->thread[0] = ctx;
for (i = 1; i < avctx->thread_count; i++) {
- ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext));
+ ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext));
memcpy(ctx->thread[i], ctx, sizeof(DNXHDEncContext));
}
- for (i = 0; i < avctx->thread_count; i++) {
- ctx->thread[i]->m.start_mb_y = (ctx->m.mb_height*(i ) + avctx->thread_count/2) / avctx->thread_count;
- ctx->thread[i]->m.end_mb_y = (ctx->m.mb_height*(i+1) + avctx->thread_count/2) / avctx->thread_count;
- }
-
return 0;
- fail: //for CHECKED_ALLOCZ
- return -1;
+fail: // for FF_ALLOCZ_OR_GOTO
+ return AVERROR(ENOMEM);
}
static int dnxhd_write_header(AVCodecContext *avctx, uint8_t *buf)
{
DNXHDEncContext *ctx = avctx->priv_data;
- const uint8_t header_prefix[5] = { 0x00,0x00,0x02,0x80,0x01 };
+ 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[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;
{
int nbits;
if (diff < 0) {
- nbits = av_log2_16bit(-2*diff);
+ nbits = av_log2_16bit(-2 * diff);
diff--;
} else {
- nbits = av_log2_16bit(2*diff);
+ nbits = av_log2_16bit(2 * diff);
}
put_bits(&ctx->m.pb, ctx->cid_table->dc_bits[nbits] + nbits,
- (ctx->cid_table->dc_codes[nbits]<<nbits) + (diff & ((1 << nbits) - 1)));
+ (ctx->cid_table->dc_codes[nbits] << nbits) +
+ (diff & ((1 << nbits) - 1)));
}
-static av_always_inline void dnxhd_encode_block(DNXHDEncContext *ctx, DCTELEM *block, int last_index, int n)
+static av_always_inline
+void dnxhd_encode_block(DNXHDEncContext *ctx, int16_t *block,
+ int last_index, int n)
{
int last_non_zero = 0;
int slevel, i, j;
slevel = block[j];
if (slevel) {
int run_level = i - last_non_zero - 1;
- int rlevel = (slevel<<1)|!!run_level;
+ 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]);
+ 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, DCTELEM *block, int n, int qscale, int last_index)
+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;
+ 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 (weight_matrix[i] != 32)
- level += 32;
- level >>= 6;
+ 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 (weight_matrix[i] != 32)
- level += 32;
- level >>= 6;
+ 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(DCTELEM *qblock, DCTELEM *block)
+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]);
+ score += (block[i] - qblock[i]) * (block[i] - qblock[i]);
return score;
}
-static av_always_inline int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, DCTELEM *block, int last_index)
+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;
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];
+ 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_pixels_4x8(DCTELEM *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_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y)
+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 (mb_y + 1 == ctx->m.mb_height && ctx->m.avctx->height == 1080) {
if (ctx->interlaced) {
- dnxhd_get_pixels_4x8(ctx->blocks[4], ptr_y + ctx->dct_y_offset , ctx->m.linesize);
- dnxhd_get_pixels_4x8(ctx->blocks[5], ptr_y + ctx->dct_y_offset + 8, ctx->m.linesize);
- dnxhd_get_pixels_4x8(ctx->blocks[6], ptr_u + ctx->dct_uv_offset , ctx->m.uvlinesize);
- dnxhd_get_pixels_4x8(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]);
+ ctx->bdsp.clear_block(ctx->blocks[4]);
+ ctx->bdsp.clear_block(ctx->blocks[5]);
+ ctx->bdsp.clear_block(ctx->blocks[6]);
+ ctx->bdsp.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);
}
}
-static av_always_inline int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i)
+static av_always_inline
+int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i)
{
- if (i&2) {
+ if (i & 2) {
ctx->m.q_intra_matrix16 = ctx->qmatrix_c16;
ctx->m.q_intra_matrix = ctx->qmatrix_c;
- return 1 + (i&1);
+ return 1 + (i & 1);
} else {
ctx->m.q_intra_matrix16 = ctx->qmatrix_l16;
ctx->m.q_intra_matrix = ctx->qmatrix_l;
}
}
-static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg)
+static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg,
+ int jobnr, int threadnr)
{
- DNXHDEncContext *ctx = *(void**)arg;
- int mb_y, mb_x;
- int qscale = ctx->thread[0]->qscale;
+ 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, 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);
- for (mb_y = ctx->m.start_mb_y; mb_y < ctx->m.end_mb_y; mb_y++) {
- ctx->m.last_dc[0] =
- ctx->m.last_dc[1] =
- ctx->m.last_dc[2] = 1024;
+ assert(nbits < ctx->cid_table->bit_depth + 4);
+ dc_bits += ctx->cid_table->dc_bits[nbits] + nbits;
- 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++) {
- 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);
- 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);
- 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->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.idsp.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];
}
+ 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)
+static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg,
+ int jobnr, int threadnr)
{
- DNXHDEncContext *ctx = *(void**)arg;
- int mb_y, mb_x;
-
- for (mb_y = ctx->m.start_mb_y; mb_y < ctx->m.end_mb_y; mb_y++) {
- ctx->m.last_dc[0] =
- ctx->m.last_dc[1] =
- ctx->m.last_dc[2] = 1024;
- 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++) {
- 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);
- //START_TIMER;
- dnxhd_encode_block(ctx, block, last_index, n);
- //STOP_TIMER("encode_block");
- }
+ 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, 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);
}
+ 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, uint8_t *buf)
+static void dnxhd_setup_threads_slices(DNXHDEncContext *ctx)
{
int mb_y, mb_x;
- int i, offset = 0;
- for (i = 0; i < ctx->m.avctx->thread_count; i++) {
- int thread_size = 0;
- for (mb_y = ctx->thread[i]->m.start_mb_y; mb_y < ctx->thread[i]->m.end_mb_y; 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];
+ 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];
}
- init_put_bits(&ctx->thread[i]->m.pb, buf + 640 + offset, thread_size);
+ 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)
+static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg,
+ int jobnr, int threadnr)
{
- DNXHDEncContext *ctx = *(void**)arg;
- int mb_y, mb_x;
- for (mb_y = ctx->m.start_mb_y; mb_y < ctx->m.end_mb_y; mb_y++) {
- 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;
+ 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.mpvencdsp.pix_sum(pix, ctx->m.linesize);
+ varc = ctx->m.mpvencdsp.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;
+ 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;
for (q = 1; q < avctx->qmax; q++) {
ctx->qscale = q;
- avctx->execute(avctx, dnxhd_calc_bits_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
+ avctx->execute2(avctx, dnxhd_calc_bits_thread,
+ NULL, NULL, ctx->m.mb_height);
}
- up_step = down_step = 2<<LAMBDA_FRAC_BITS;
- lambda = ctx->lambda;
+ up_step = down_step = 2 << LAMBDA_FRAC_BITS;
+ lambda = ctx->lambda;
for (;;) {
int bits = 0;
- int end = 0;
+ int end = 0;
if (lambda == last_higher) {
lambda++;
end = 1; // need to set final qscales/bits
for (x = 0; x < ctx->m.mb_width; x++) {
unsigned min = UINT_MAX;
int qscale = 1;
- int mb = y*ctx->m.mb_width+x;
+ int mb = y * ctx->m.mb_width + x;
for (q = 1; q < avctx->qmax; q++) {
- unsigned score = ctx->mb_rc[q][mb].bits*lambda+(ctx->mb_rc[q][mb].ssd<<LAMBDA_FRAC_BITS);
+ unsigned score = ctx->mb_rc[q][mb].bits * lambda +
+ ((unsigned) ctx->mb_rc[q][mb].ssd << LAMBDA_FRAC_BITS);
if (score < min) {
- min = score;
+ min = score;
qscale = q;
}
}
bits += ctx->mb_rc[qscale][mb].bits;
ctx->mb_qscale[mb] = qscale;
- ctx->mb_bits[mb] = ctx->mb_rc[qscale][mb].bits;
+ ctx->mb_bits[mb] = ctx->mb_rc[qscale][mb].bits;
}
- bits = (bits+31)&~31; // padding
+ bits = (bits + 31) & ~31; // padding
if (bits > ctx->frame_bits)
break;
}
- //dprintf(ctx->m.avctx, "lambda %d, up %u, down %u, bits %d, frame %d\n",
- // lambda, last_higher, last_lower, bits, ctx->frame_bits);
+ // 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;
+ return AVERROR(EINVAL);
break;
}
if (bits < ctx->frame_bits) {
lambda = (lambda+last_higher)>>1;
else
lambda -= down_step;
- down_step *= 5; // XXX tune ?
+ down_step = FFMIN((int64_t)down_step*5, INT_MAX);
up_step = 1<<LAMBDA_FRAC_BITS;
lambda = FFMAX(1, lambda);
if (lambda == last_lower)
last_higher = FFMAX(lambda, last_higher);
if (last_lower != INT_MAX)
lambda = (lambda+last_lower)>>1;
+ else if ((int64_t)lambda + up_step > INT_MAX)
+ return AVERROR(EINVAL);
else
lambda += up_step;
- up_step *= 5;
+ up_step = FFMIN((int64_t)up_step*5, INT_MAX);
down_step = 1<<LAMBDA_FRAC_BITS;
}
}
- //dprintf(ctx->m.avctx, "out lambda %d\n", lambda);
+ //av_dlog(ctx->m.avctx, "out lambda %d\n", lambda);
ctx->lambda = lambda;
return 0;
}
bits = 0;
ctx->qscale = qscale;
// XXX avoid recalculating bits
- ctx->m.avctx->execute(ctx->m.avctx, dnxhd_calc_bits_thread, (void**)&ctx->thread[0], NULL, ctx->m.avctx->thread_count, sizeof(void*));
+ 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;
if (bits > ctx->frame_bits)
break;
}
- //dprintf(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);
+ // 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;
}
last_lower = FFMIN(qscale, last_lower);
if (last_higher != 0)
- qscale = (qscale+last_higher)>>1;
+ qscale = (qscale + last_higher) >> 1;
else
qscale -= down_step++;
if (qscale < 1)
break;
last_higher = FFMAX(qscale, last_higher);
if (last_lower != INT_MAX)
- qscale = (qscale+last_lower)>>1;
+ qscale = (qscale + last_lower) >> 1;
else
qscale += up_step++;
down_step = 1;
if (qscale >= ctx->m.avctx->qmax)
- return -1;
+ return AVERROR(EINVAL);
}
}
- //dprintf(ctx->m.avctx, "out qscale %d\n", qscale);
+ //av_dlog(ctx->m.avctx, "out qscale %d\n", qscale);
ctx->qscale = qscale;
return 0;
}
-static int dnxhd_rc_cmp(const void *a, const void *b)
+#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;
+ }
+ assert(!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];
+ assert(!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)
{
- return ((const RCCMPEntry *)b)->value - ((const RCCMPEntry *)a)->value;
+ 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;
+ return ret;
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 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;
+ 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
+ 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
+ max_bits += 31; // worst padding
}
if (!ret) {
if (RC_VARIANCE)
- avctx->execute(avctx, dnxhd_mb_var_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
- qsort(ctx->mb_cmp, ctx->m.mb_num, sizeof(RCEntry), dnxhd_rc_cmp);
+ 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;
+ 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;
{
int i;
- for (i = 0; i < 3; i++) {
- ctx->frame.data[i] = frame->data[i];
- ctx->frame.linesize[i] = frame->linesize[i];
- }
-
for (i = 0; i < ctx->m.avctx->thread_count; i++) {
- ctx->thread[i]->m.linesize = ctx->frame.linesize[0]<<ctx->interlaced;
- ctx->thread[i]->m.uvlinesize = ctx->frame.linesize[1]<<ctx->interlaced;
+ 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->frame.interlaced_frame = frame->interlaced_frame;
+ 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, unsigned char *buf, int buf_size, const void *data)
+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 (buf_size < ctx->cid_table->frame_size) {
- av_log(avctx, AV_LOG_ERROR, "output buffer is too small to compress picture\n");
- return -1;
+ if ((ret = ff_alloc_packet(pkt, ctx->cid_table->frame_size)) < 0) {
+ av_log(avctx, AV_LOG_ERROR,
+ "output buffer is too small to compress picture\n");
+ return ret;
}
+ buf = pkt->data;
- dnxhd_load_picture(ctx, data);
+ dnxhd_load_picture(ctx, frame);
- encode_coding_unit:
+encode_coding_unit:
for (i = 0; i < 3; i++) {
- ctx->src[i] = ctx->frame.data[i];
+ ctx->src[i] = frame->data[i];
if (ctx->interlaced && ctx->cur_field)
- ctx->src[i] += ctx->frame.linesize[i];
+ ctx->src[i] += frame->linesize[i];
}
dnxhd_write_header(avctx, buf);
else
ret = dnxhd_encode_fast(avctx, ctx);
if (ret < 0) {
- av_log(avctx, AV_LOG_ERROR, "picture could not fit ratecontrol constraints\n");
- return -1;
+ av_log(avctx, AV_LOG_ERROR,
+ "picture could not fit ratecontrol constraints, increase qmax\n");
+ return ret;
}
- dnxhd_setup_threads_slices(ctx, buf);
+ dnxhd_setup_threads_slices(ctx);
offset = 0;
for (i = 0; i < ctx->m.mb_height; i++) {
assert(!(ctx->slice_size[i] & 3));
}
- avctx->execute(avctx, dnxhd_encode_thread, (void**)&ctx->thread[0], NULL, avctx->thread_count, sizeof(void*));
+ avctx->execute2(avctx, dnxhd_encode_thread, buf, NULL, ctx->m.mb_height);
+
+ assert(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;
- buf_size -= ctx->cid_table->coding_unit_size;
+ buf += ctx->cid_table->coding_unit_size;
goto encode_coding_unit;
}
- ctx->frame.quality = ctx->qscale*FF_QP2LAMBDA;
+ avctx->coded_frame->quality = ctx->qscale * FF_QP2LAMBDA;
- return ctx->cid_table->frame_size;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
+ return 0;
}
-static int dnxhd_encode_end(AVCodecContext *avctx)
+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 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_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_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);
for (i = 1; i < avctx->thread_count; i++)
av_freep(&ctx->thread[i]);
+ av_frame_free(&avctx->coded_frame);
+
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 = (enum PixelFormat[]){PIX_FMT_YUV422P, PIX_FMT_NONE},
- .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
+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 = &class,
};
projects / ffmpeg / blobdiff