fc4cbc16 |
/*
* VC3/DNxHD encoder
* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com> |
5ab21439 |
* Copyright (c) 2011 MirriAd Ltd |
fc4cbc16 |
*
* VC-3 encoder funded by the British Broadcasting Corporation |
5ab21439 |
* 10 bit support added by MirriAd Ltd, Joseph Artsimovich <joseph@mirriad.com> |
fc4cbc16 |
*
* 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
*/
|
6fee1b90 |
#include "libavutil/attributes.h" |
218aefce |
#include "libavutil/internal.h" |
176e1762 |
#include "libavutil/opt.h" |
89ef08c9 |
|
fc4cbc16 |
#include "avcodec.h" |
e74433a8 |
#include "blockdsp.h" |
a9aee08d |
#include "fdctdsp.h" |
89829242 |
#include "internal.h" |
fc4cbc16 |
#include "mpegvideo.h" |
f46bb608 |
#include "pixblockdsp.h" |
6e190393 |
#include "packet_internal.h" |
41d7642a |
#include "profiles.h" |
09f6fc6b |
#include "dnxhdenc.h" |
fc4cbc16 |
|
41ed7ab4 |
// The largest value that will not lead to overflow for 10-bit samples. |
89ef08c9 |
#define DNX10BIT_QMAT_SHIFT 18
#define RC_VARIANCE 1 // use variance or ssd for fast rc
#define LAMBDA_FRAC_BITS 10 |
99bbc781 |
|
89ef08c9 |
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "nitris_compat", "encode with Avid Nitris compatibility", |
fb99ef0b |
offsetof(DNXHDEncContext, nitris_compat), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, |
910247f1 |
{ "ibias", "intra quant bias",
offsetof(DNXHDEncContext, intra_quant_bias), AV_OPT_TYPE_INT, |
7f9656f1 |
{ .i64 = 0 }, INT_MIN, INT_MAX, VE }, |
ece12db4 |
{ "profile", NULL, offsetof(DNXHDEncContext, profile), AV_OPT_TYPE_INT,
{ .i64 = FF_PROFILE_DNXHD },
FF_PROFILE_DNXHD, FF_PROFILE_DNXHR_444, VE, "profile" },
{ "dnxhd", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_DNXHD },
0, 0, VE, "profile" },
{ "dnxhr_444", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_DNXHR_444 },
0, 0, VE, "profile" },
{ "dnxhr_hqx", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_DNXHR_HQX },
0, 0, VE, "profile" },
{ "dnxhr_hq", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_DNXHR_HQ },
0, 0, VE, "profile" },
{ "dnxhr_sq", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_DNXHR_SQ },
0, 0, VE, "profile" },
{ "dnxhr_lb", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_PROFILE_DNXHR_LB },
0, 0, VE, "profile" }, |
89ef08c9 |
{ NULL } |
176e1762 |
}; |
e9d5c052 |
|
0915b531 |
static const AVClass dnxhd_class = { |
e9d5c052 |
.class_name = "dnxhd",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT,
}; |
176e1762 |
|
bad101ab |
static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *av_restrict block, |
89ef08c9 |
const uint8_t *pixels, |
bad101ab |
ptrdiff_t line_size) |
e1b24cfd |
{
int i;
for (i = 0; i < 4; i++) { |
89ef08c9 |
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; |
e1b24cfd |
} |
10738239 |
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); |
e1b24cfd |
}
|
89ef08c9 |
static av_always_inline |
bad101ab |
void dnxhd_10bit_get_pixels_8x4_sym(int16_t *av_restrict block, |
89ef08c9 |
const uint8_t *pixels, |
bad101ab |
ptrdiff_t line_size) |
5ab21439 |
{ |
bc22cd24 |
memcpy(block + 0 * 8, pixels + 0 * line_size, 8 * sizeof(*block));
memcpy(block + 7 * 8, pixels + 0 * line_size, 8 * sizeof(*block));
memcpy(block + 1 * 8, pixels + 1 * line_size, 8 * sizeof(*block));
memcpy(block + 6 * 8, pixels + 1 * line_size, 8 * sizeof(*block));
memcpy(block + 2 * 8, pixels + 2 * line_size, 8 * sizeof(*block));
memcpy(block + 5 * 8, pixels + 2 * line_size, 8 * sizeof(*block));
memcpy(block + 3 * 8, pixels + 3 * line_size, 8 * sizeof(*block));
memcpy(block + 4 * 8, pixels + 3 * line_size, 8 * sizeof(*block)); |
5ab21439 |
}
|
f078bc4c |
static int dnxhd_10bit_dct_quantize_444(MpegEncContext *ctx, int16_t *block,
int n, int qscale, int *overflow)
{
int i, j, level, last_non_zero, start_i;
const int *qmat;
const uint8_t *scantable= ctx->intra_scantable.scantable;
int bias;
int max = 0;
unsigned int threshold1, threshold2;
ctx->fdsp.fdct(block);
block[0] = (block[0] + 2) >> 2;
start_i = 1;
last_non_zero = 0;
qmat = n < 4 ? ctx->q_intra_matrix[qscale] : ctx->q_chroma_intra_matrix[qscale];
bias= ctx->intra_quant_bias * (1 << (16 - 8));
threshold1 = (1 << 16) - bias - 1;
threshold2 = (threshold1 << 1);
for (i = 63; i >= start_i; i--) {
j = scantable[i];
level = block[j] * qmat[j];
if (((unsigned)(level + threshold1)) > threshold2) {
last_non_zero = i;
break;
} else{
block[j]=0;
}
}
for (i = start_i; i <= last_non_zero; i++) {
j = scantable[i];
level = block[j] * qmat[j];
if (((unsigned)(level + threshold1)) > threshold2) {
if (level > 0) {
level = (bias + level) >> 16;
block[j] = level;
} else{
level = (bias - level) >> 16;
block[j] = -level;
}
max |= level;
} else {
block[j] = 0;
}
}
*overflow = ctx->max_qcoeff < max; //overflow might have happened
/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
if (ctx->idsp.perm_type != FF_IDCT_PERM_NONE)
ff_block_permute(block, ctx->idsp.idct_permutation,
scantable, last_non_zero);
return last_non_zero;
}
|
88bd7fdc |
static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, int16_t *block, |
5ab21439 |
int n, int qscale, int *overflow)
{
const uint8_t *scantable= ctx->intra_scantable.scantable; |
2aaf32f5 |
const int *qmat = n<4 ? ctx->q_intra_matrix[qscale] : ctx->q_chroma_intra_matrix[qscale]; |
5ab21439 |
int last_non_zero = 0; |
e72f3d10 |
int i; |
5ab21439 |
|
a9aee08d |
ctx->fdsp.fdct(block); |
5ab21439 |
// Divide by 4 with rounding, to compensate scaling of DCT coefficients
block[0] = (block[0] + 2) >> 2;
|
e72f3d10 |
for (i = 1; i < 64; ++i) { |
5ab21439 |
int j = scantable[i]; |
85dc006b |
int sign = FF_SIGNBIT(block[j]); |
5ab21439 |
int level = (block[j] ^ sign) - sign;
level = level * qmat[j] >> DNX10BIT_QMAT_SHIFT;
block[j] = (level ^ sign) - sign;
if (level)
last_non_zero = i;
}
|
9f3bfe30 |
/* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
if (ctx->idsp.perm_type != FF_IDCT_PERM_NONE)
ff_block_permute(block, ctx->idsp.idct_permutation,
scantable, last_non_zero);
|
5ab21439 |
return last_non_zero;
}
|
6fee1b90 |
static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx) |
fc4cbc16 |
{ |
556eec43 |
int i, j, level, run; |
f078bc4c |
int max_level = 1 << (ctx->bit_depth + 2); |
89ef08c9 |
|
aeb73c73 |
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->orig_vlc_codes,
max_level, 4 * sizeof(*ctx->orig_vlc_codes), fail);
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->orig_vlc_bits,
max_level, 4 * sizeof(*ctx->orig_vlc_bits), fail); |
89ef08c9 |
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);
|
aeb73c73 |
ctx->vlc_codes = ctx->orig_vlc_codes + max_level * 2;
ctx->vlc_bits = ctx->orig_vlc_bits + max_level * 2; |
556eec43 |
for (level = -max_level; level < max_level; level++) {
for (run = 0; run < 2; run++) { |
b7f156e8 |
int index = level * (1 << 1) | run; |
556eec43 |
int sign, offset = 0, alevel = level;
MASK_ABS(sign, alevel);
if (alevel > 64) { |
89ef08c9 |
offset = (alevel - 1) >> 6;
alevel -= offset << 6; |
556eec43 |
}
for (j = 0; j < 257; j++) { |
96b165fa |
if (ctx->cid_table->ac_info[2*j+0] >> 1 == alevel &&
(!offset || (ctx->cid_table->ac_info[2*j+1] & 1) && offset) &&
(!run || (ctx->cid_table->ac_info[2*j+1] & 2) && run)) { |
422418b6 |
av_assert1(!ctx->vlc_codes[index]); |
556eec43 |
if (alevel) { |
89ef08c9 |
ctx->vlc_codes[index] =
(ctx->cid_table->ac_codes[j] << 1) | (sign & 1);
ctx->vlc_bits[index] = ctx->cid_table->ac_bits[j] + 1; |
556eec43 |
} else { |
b73e868b |
ctx->vlc_codes[index] = ctx->cid_table->ac_codes[j]; |
89ef08c9 |
ctx->vlc_bits[index] = ctx->cid_table->ac_bits[j]; |
556eec43 |
}
break;
}
} |
422418b6 |
av_assert0(!alevel || j < 257); |
556eec43 |
if (offset) { |
89ef08c9 |
ctx->vlc_codes[index] =
(ctx->vlc_codes[index] << ctx->cid_table->index_bits) | offset;
ctx->vlc_bits[index] += ctx->cid_table->index_bits; |
556eec43 |
}
} |
fc4cbc16 |
}
for (i = 0; i < 62; i++) {
int run = ctx->cid_table->run[i]; |
422418b6 |
av_assert0(run < 63); |
b73e868b |
ctx->run_codes[run] = ctx->cid_table->run_codes[i]; |
89ef08c9 |
ctx->run_bits[run] = ctx->cid_table->run_bits[i]; |
fc4cbc16 |
}
return 0; |
89ef08c9 |
fail: |
b9bedb0b |
return AVERROR(ENOMEM); |
fc4cbc16 |
}
|
6fee1b90 |
static av_cold int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias) |
fc4cbc16 |
{
// init first elem to 1 to avoid div by 0 in convert_matrix |
89ef08c9 |
uint16_t weight_matrix[64] = { 1, }; // convert_matrix needs uint16_t* |
fc4cbc16 |
int qscale, i; |
5ab21439 |
const uint8_t *luma_weight_table = ctx->cid_table->luma_weight;
const uint8_t *chroma_weight_table = ctx->cid_table->chroma_weight; |
fc4cbc16 |
|
7258b5eb |
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l,
(ctx->m.avctx->qmax + 1), 64 * sizeof(int), fail);
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c,
(ctx->m.avctx->qmax + 1), 64 * sizeof(int), fail);
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l16,
(ctx->m.avctx->qmax + 1), 64 * 2 * sizeof(uint16_t), |
89ef08c9 |
fail); |
7258b5eb |
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c16,
(ctx->m.avctx->qmax + 1), 64 * 2 * sizeof(uint16_t), |
89ef08c9 |
fail); |
fc4cbc16 |
|
f078bc4c |
if (ctx->bit_depth == 8) { |
5ab21439 |
for (i = 1; i < 64; i++) { |
e3fcb143 |
int j = ctx->m.idsp.idct_permutation[ff_zigzag_direct[i]]; |
5ab21439 |
weight_matrix[j] = ctx->cid_table->luma_weight[i];
} |
5dd8c08f |
ff_convert_matrix(&ctx->m, ctx->qmatrix_l, ctx->qmatrix_l16, |
910247f1 |
weight_matrix, ctx->intra_quant_bias, 1, |
89ef08c9 |
ctx->m.avctx->qmax, 1); |
5ab21439 |
for (i = 1; i < 64; i++) { |
e3fcb143 |
int j = ctx->m.idsp.idct_permutation[ff_zigzag_direct[i]]; |
5ab21439 |
weight_matrix[j] = ctx->cid_table->chroma_weight[i];
} |
5dd8c08f |
ff_convert_matrix(&ctx->m, ctx->qmatrix_c, ctx->qmatrix_c16, |
910247f1 |
weight_matrix, ctx->intra_quant_bias, 1, |
89ef08c9 |
ctx->m.avctx->qmax, 1); |
5ab21439 |
for (qscale = 1; qscale <= ctx->m.avctx->qmax; qscale++) {
for (i = 0; i < 64; i++) { |
89ef08c9 |
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; |
5ab21439 |
}
}
} else {
// 10-bit
for (qscale = 1; qscale <= ctx->m.avctx->qmax; qscale++) {
for (i = 1; i < 64; i++) { |
9f3bfe30 |
int j = ff_zigzag_direct[i]; |
5ab21439 |
|
89ef08c9 |
/* 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]); |
5ab21439 |
} |
fc4cbc16 |
}
} |
5ab21439 |
|
2aaf32f5 |
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;
|
fc4cbc16 |
return 0; |
89ef08c9 |
fail: |
b9bedb0b |
return AVERROR(ENOMEM); |
fc4cbc16 |
}
|
6fee1b90 |
static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx) |
fc4cbc16 |
{ |
cdca1902 |
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_rc, (ctx->m.avctx->qmax + 1),
ctx->m.mb_num * sizeof(RCEntry), fail); |
6c5b98d4 |
if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD) { |
7258b5eb |
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_cmp,
ctx->m.mb_num, sizeof(RCCMPEntry), fail); |
6c5b98d4 |
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_cmp_tmp,
ctx->m.mb_num, sizeof(RCCMPEntry), fail);
} |
ece12db4 |
ctx->frame_bits = (ctx->coding_unit_size -
ctx->data_offset - 4 - ctx->min_padding) * 8; |
fc4cbc16 |
ctx->qscale = 1; |
89ef08c9 |
ctx->lambda = 2 << LAMBDA_FRAC_BITS; // qscale 2 |
fc4cbc16 |
return 0; |
89ef08c9 |
fail: |
b9bedb0b |
return AVERROR(ENOMEM); |
fc4cbc16 |
}
|
6fee1b90 |
static av_cold int dnxhd_encode_init(AVCodecContext *avctx) |
fc4cbc16 |
{
DNXHDEncContext *ctx = avctx->priv_data; |
f078bc4c |
int i, index, ret; |
5ab21439 |
switch (avctx->pix_fmt) { |
716d413c |
case AV_PIX_FMT_YUV422P: |
f078bc4c |
ctx->bit_depth = 8; |
5ab21439 |
break; |
716d413c |
case AV_PIX_FMT_YUV422P10: |
f078bc4c |
case AV_PIX_FMT_YUV444P10:
case AV_PIX_FMT_GBRP10:
ctx->bit_depth = 10; |
5ab21439 |
break;
default: |
89ef08c9 |
av_log(avctx, AV_LOG_ERROR,
"pixel format is incompatible with DNxHD\n"); |
b9bedb0b |
return AVERROR(EINVAL); |
5ab21439 |
} |
fc4cbc16 |
|
f078bc4c |
if ((ctx->profile == FF_PROFILE_DNXHR_444 && (avctx->pix_fmt != AV_PIX_FMT_YUV444P10 &&
avctx->pix_fmt != AV_PIX_FMT_GBRP10)) ||
(ctx->profile != FF_PROFILE_DNXHR_444 && (avctx->pix_fmt == AV_PIX_FMT_YUV444P10 ||
avctx->pix_fmt == AV_PIX_FMT_GBRP10))) {
av_log(avctx, AV_LOG_ERROR,
"pixel format is incompatible with DNxHD profile\n");
return AVERROR(EINVAL);
}
if (ctx->profile == FF_PROFILE_DNXHR_HQX && avctx->pix_fmt != AV_PIX_FMT_YUV422P10) {
av_log(avctx, AV_LOG_ERROR,
"pixel format is incompatible with DNxHR HQX profile\n");
return AVERROR(EINVAL);
}
if ((ctx->profile == FF_PROFILE_DNXHR_LB ||
ctx->profile == FF_PROFILE_DNXHR_SQ ||
ctx->profile == FF_PROFILE_DNXHR_HQ) && avctx->pix_fmt != AV_PIX_FMT_YUV422P) {
av_log(avctx, AV_LOG_ERROR,
"pixel format is incompatible with DNxHR LB/SQ/HQ profile\n");
return AVERROR(EINVAL); |
ece12db4 |
}
|
f078bc4c |
ctx->is_444 = ctx->profile == FF_PROFILE_DNXHR_444; |
ece12db4 |
avctx->profile = ctx->profile; |
f078bc4c |
ctx->cid = ff_dnxhd_find_cid(avctx, ctx->bit_depth); |
5ab21439 |
if (!ctx->cid) { |
89ef08c9 |
av_log(avctx, AV_LOG_ERROR, |
bad101ab |
"video parameters incompatible with DNxHD. Valid DNxHD profiles:\n"); |
9d602a0b |
ff_dnxhd_print_profiles(avctx, AV_LOG_ERROR); |
b9bedb0b |
return AVERROR(EINVAL); |
fc4cbc16 |
} |
0c39c38b |
av_log(avctx, AV_LOG_DEBUG, "cid %d\n", ctx->cid); |
fc4cbc16 |
|
ece12db4 |
if (ctx->cid >= 1270 && ctx->cid <= 1274)
avctx->codec_tag = MKTAG('A','V','d','h');
if (avctx->width < 256 || avctx->height < 120) {
av_log(avctx, AV_LOG_ERROR,
"Input dimensions too small, input must be at least 256x120\n");
return AVERROR(EINVAL);
}
|
fc4cbc16 |
index = ff_dnxhd_get_cid_table(ctx->cid); |
6581b6ce |
av_assert0(index >= 0); |
7f8ef787 |
|
fc4cbc16 |
ctx->cid_table = &ff_dnxhd_cid_table[index];
|
89ef08c9 |
ctx->m.avctx = avctx; |
fc4cbc16 |
ctx->m.mb_intra = 1;
ctx->m.h263_aic = 1;
|
f078bc4c |
avctx->bits_per_raw_sample = ctx->bit_depth; |
193ce3ab |
|
e74433a8 |
ff_blockdsp_init(&ctx->bdsp, avctx); |
a9aee08d |
ff_fdctdsp_init(&ctx->m.fdsp, avctx); |
998c9f15 |
ff_mpv_idct_init(&ctx->m); |
c1661484 |
ff_mpegvideoencdsp_init(&ctx->m.mpvencdsp, avctx); |
f46bb608 |
ff_pixblockdsp_init(&ctx->m.pdsp, avctx); |
49331f7b |
ff_dct_encode_init(&ctx->m);
|
6051bb33 |
if (ctx->profile != FF_PROFILE_DNXHD) |
f078bc4c |
ff_videodsp_init(&ctx->m.vdsp, ctx->bit_depth); |
6051bb33 |
|
5ab21439 |
if (!ctx->m.dct_quantize) |
99560a4c |
ctx->m.dct_quantize = ff_dct_quantize_c; |
5ab21439 |
|
f078bc4c |
if (ctx->is_444 || ctx->profile == FF_PROFILE_DNXHR_HQX) {
ctx->m.dct_quantize = dnxhd_10bit_dct_quantize_444;
ctx->get_pixels_8x4_sym = dnxhd_10bit_get_pixels_8x4_sym;
ctx->block_width_l2 = 4;
} else if (ctx->bit_depth == 10) { |
89ef08c9 |
ctx->m.dct_quantize = dnxhd_10bit_dct_quantize;
ctx->get_pixels_8x4_sym = dnxhd_10bit_get_pixels_8x4_sym;
ctx->block_width_l2 = 4; |
5ab21439 |
} else { |
89ef08c9 |
ctx->get_pixels_8x4_sym = dnxhd_8bit_get_pixels_8x4_sym;
ctx->block_width_l2 = 3; |
5ab21439 |
}
|
26ce9aec |
if (ARCH_X86)
ff_dnxhdenc_init_x86(ctx); |
fc4cbc16 |
ctx->m.mb_height = (avctx->height + 15) / 16;
ctx->m.mb_width = (avctx->width + 15) / 16;
|
7c6eb0a1 |
if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) { |
89ef08c9 |
ctx->interlaced = 1; |
fc4cbc16 |
ctx->m.mb_height /= 2;
}
|
a77c2df5 |
if (ctx->interlaced && ctx->profile != FF_PROFILE_DNXHD) {
av_log(avctx, AV_LOG_ERROR,
"Interlaced encoding is not supported for DNxHR profiles.\n");
return AVERROR(EINVAL);
}
|
fc4cbc16 |
ctx->m.mb_num = ctx->m.mb_height * ctx->m.mb_width;
|
ece12db4 |
if (ctx->cid_table->frame_size == DNXHD_VARIABLE) { |
69f1853a |
ctx->frame_size = avpriv_dnxhd_get_hr_frame_size(ctx->cid, |
f6b5a5c7 |
avctx->width, avctx->height); |
900fe8ee |
av_assert0(ctx->frame_size >= 0); |
ece12db4 |
ctx->coding_unit_size = ctx->frame_size;
} else {
ctx->frame_size = ctx->cid_table->frame_size;
ctx->coding_unit_size = ctx->cid_table->coding_unit_size;
}
if (ctx->m.mb_height > 68)
ctx->data_offset = 0x170 + (ctx->m.mb_height << 2);
else
ctx->data_offset = 0x280;
|
89ef08c9 |
// XXX tune lbias/cbias |
910247f1 |
if ((ret = dnxhd_init_qmat(ctx, ctx->intra_quant_bias, 0)) < 0) |
b9bedb0b |
return ret; |
fc4cbc16 |
|
89ef08c9 |
/* Avid Nitris hardware decoder requires a minimum amount of padding
* in the coding unit payload */ |
176e1762 |
if (ctx->nitris_compat)
ctx->min_padding = 1600;
|
b9bedb0b |
if ((ret = dnxhd_init_vlc(ctx)) < 0)
return ret;
if ((ret = dnxhd_init_rc(ctx)) < 0)
return ret; |
fc4cbc16 |
|
89ef08c9 |
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); |
fc4cbc16 |
|
40cf1bba |
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS |
57e7b3a8 |
avctx->coded_frame->key_frame = 1;
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
40cf1bba |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
fc4cbc16 |
|
28e9ba95 |
if (avctx->active_thread_type == FF_THREAD_SLICE) {
if (avctx->thread_count > MAX_THREADS) {
av_log(avctx, AV_LOG_ERROR, "too many threads\n");
return AVERROR(EINVAL);
} |
fc4cbc16 |
}
|
19df5dcb |
if (avctx->qmax <= 1) {
av_log(avctx, AV_LOG_ERROR, "qmax must be at least 2\n");
return AVERROR(EINVAL);
}
|
fc4cbc16 |
ctx->thread[0] = ctx; |
28e9ba95 |
if (avctx->active_thread_type == FF_THREAD_SLICE) {
for (i = 1; i < avctx->thread_count; i++) {
ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext)); |
3def984a |
if (!ctx->thread[i])
goto fail; |
28e9ba95 |
memcpy(ctx->thread[i], ctx, sizeof(DNXHDEncContext));
} |
fc4cbc16 |
}
return 0; |
89ef08c9 |
fail: // for FF_ALLOCZ_OR_GOTO |
b9bedb0b |
return AVERROR(ENOMEM); |
fc4cbc16 |
}
static int dnxhd_write_header(AVCodecContext *avctx, uint8_t *buf)
{
DNXHDEncContext *ctx = avctx->priv_data;
|
ece12db4 |
memset(buf, 0, ctx->data_offset);
// * write prefix */
AV_WB16(buf + 0x02, ctx->data_offset);
if (ctx->cid >= 1270 && ctx->cid <= 1274)
buf[4] = 0x03;
else
buf[4] = 0x01; |
301a24de |
|
89ef08c9 |
buf[5] = ctx->interlaced ? ctx->cur_field + 2 : 0x01; |
fc4cbc16 |
buf[6] = 0x80; // crc flag off
buf[7] = 0xa0; // reserved |
89ef08c9 |
AV_WB16(buf + 0x18, avctx->height >> ctx->interlaced); // ALPF |
fc4cbc16 |
AV_WB16(buf + 0x1a, avctx->width); // SPL |
89ef08c9 |
AV_WB16(buf + 0x1d, avctx->height >> ctx->interlaced); // NAL |
fc4cbc16 |
|
f078bc4c |
buf[0x21] = ctx->bit_depth == 10 ? 0x58 : 0x38; |
89ef08c9 |
buf[0x22] = 0x88 + (ctx->interlaced << 2); |
fc4cbc16 |
AV_WB32(buf + 0x28, ctx->cid); // CID |
f078bc4c |
buf[0x2c] = (!ctx->interlaced << 7) | (ctx->is_444 << 6) | (avctx->pix_fmt == AV_PIX_FMT_YUV444P10); |
fc4cbc16 |
buf[0x5f] = 0x01; // UDL
buf[0x167] = 0x02; // reserved
AV_WB16(buf + 0x16a, ctx->m.mb_height * 4 + 4); // MSIPS |
34c2eea3 |
AV_WB16(buf + 0x16c, ctx->m.mb_height); // Ns |
fc4cbc16 |
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) { |
89ef08c9 |
nbits = av_log2_16bit(-2 * diff); |
fc4cbc16 |
diff--;
} else { |
89ef08c9 |
nbits = av_log2_16bit(2 * diff); |
fc4cbc16 |
}
put_bits(&ctx->m.pb, ctx->cid_table->dc_bits[nbits] + nbits, |
89ef08c9 |
(ctx->cid_table->dc_codes[nbits] << nbits) + |
ba625dd8 |
av_mod_uintp2(diff, nbits)); |
fc4cbc16 |
}
|
89ef08c9 |
static av_always_inline
void dnxhd_encode_block(DNXHDEncContext *ctx, int16_t *block,
int last_index, int n) |
fc4cbc16 |
{
int last_non_zero = 0;
int slevel, i, j;
dnxhd_encode_dc(ctx, block[0] - ctx->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; |
b7f156e8 |
int rlevel = slevel * (1 << 1) | !!run_level; |
b73e868b |
put_bits(&ctx->m.pb, ctx->vlc_bits[rlevel], ctx->vlc_codes[rlevel]); |
fc4cbc16 |
if (run_level) |
89ef08c9 |
put_bits(&ctx->m.pb, ctx->run_bits[run_level],
ctx->run_codes[run_level]); |
fc4cbc16 |
last_non_zero = i;
}
} |
b73e868b |
put_bits(&ctx->m.pb, ctx->vlc_bits[0], ctx->vlc_codes[0]); // EOB |
fc4cbc16 |
}
|
89ef08c9 |
static av_always_inline
void dnxhd_unquantize_c(DNXHDEncContext *ctx, int16_t *block, int n,
int qscale, int last_index) |
fc4cbc16 |
{ |
6cb1d361 |
const uint8_t *weight_matrix; |
fc4cbc16 |
int level;
int i;
|
f078bc4c |
if (ctx->is_444) {
weight_matrix = ((n % 6) < 2) ? ctx->cid_table->luma_weight
: ctx->cid_table->chroma_weight;
} else {
weight_matrix = (n & 2) ? ctx->cid_table->chroma_weight
: ctx->cid_table->luma_weight;
} |
fc4cbc16 |
for (i = 1; i <= last_index; i++) {
int j = ctx->m.intra_scantable.permutated[i];
level = block[j];
if (level) {
if (level < 0) { |
89ef08c9 |
level = (1 - 2 * level) * qscale * weight_matrix[i]; |
f078bc4c |
if (ctx->bit_depth == 10) { |
5ab21439 |
if (weight_matrix[i] != 8)
level += 8;
level >>= 4;
} else {
if (weight_matrix[i] != 32)
level += 32;
level >>= 6;
} |
fc4cbc16 |
level = -level;
} else { |
89ef08c9 |
level = (2 * level + 1) * qscale * weight_matrix[i]; |
f078bc4c |
if (ctx->bit_depth == 10) { |
5ab21439 |
if (weight_matrix[i] != 8)
level += 8;
level >>= 4;
} else {
if (weight_matrix[i] != 32)
level += 32;
level >>= 6;
} |
fc4cbc16 |
}
block[j] = level;
}
}
}
|
88bd7fdc |
static av_always_inline int dnxhd_ssd_block(int16_t *qblock, int16_t *block) |
fc4cbc16 |
{
int score = 0;
int i;
for (i = 0; i < 64; i++) |
10738239 |
score += (block[i] - qblock[i]) * (block[i] - qblock[i]); |
fc4cbc16 |
return score;
}
|
89ef08c9 |
static av_always_inline
int dnxhd_calc_ac_bits(DNXHDEncContext *ctx, int16_t *block, int last_index) |
fc4cbc16 |
{
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; |
b7f156e8 |
bits += ctx->vlc_bits[level * (1 << 1) | |
89ef08c9 |
!!run_level] + ctx->run_bits[run_level]; |
fc4cbc16 |
last_non_zero = i;
}
}
return bits;
}
|
89ef08c9 |
static av_always_inline
void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y) |
fc4cbc16 |
{ |
5ab21439 |
const int bs = ctx->block_width_l2;
const int bw = 1 << bs; |
6051bb33 |
int dct_y_offset = ctx->dct_y_offset;
int dct_uv_offset = ctx->dct_uv_offset;
int linesize = ctx->m.linesize;
int uvlinesize = ctx->m.uvlinesize; |
89ef08c9 |
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] + |
f078bc4c |
((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs + ctx->is_444); |
89ef08c9 |
const uint8_t *ptr_v = ctx->thread[0]->src[2] + |
f078bc4c |
((mb_y << 4) * ctx->m.uvlinesize) + (mb_x << bs + ctx->is_444); |
f46bb608 |
PixblockDSPContext *pdsp = &ctx->m.pdsp; |
6051bb33 |
VideoDSPContext *vdsp = &ctx->m.vdsp;
|
f078bc4c |
if (ctx->bit_depth != 10 && vdsp->emulated_edge_mc && ((mb_x << 4) + 16 > ctx->m.avctx->width ||
(mb_y << 4) + 16 > ctx->m.avctx->height)) { |
6051bb33 |
int y_w = ctx->m.avctx->width - (mb_x << 4);
int y_h = ctx->m.avctx->height - (mb_y << 4);
int uv_w = (y_w + 1) / 2;
int uv_h = y_h;
linesize = 16;
uvlinesize = 8;
vdsp->emulated_edge_mc(&ctx->edge_buf_y[0], ptr_y,
linesize, ctx->m.linesize,
linesize, 16,
0, 0, y_w, y_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[0][0], ptr_u,
uvlinesize, ctx->m.uvlinesize,
uvlinesize, 16,
0, 0, uv_w, uv_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[1][0], ptr_v,
uvlinesize, ctx->m.uvlinesize,
uvlinesize, 16,
0, 0, uv_w, uv_h);
dct_y_offset = bw * linesize;
dct_uv_offset = bw * uvlinesize;
ptr_y = &ctx->edge_buf_y[0];
ptr_u = &ctx->edge_buf_uv[0][0];
ptr_v = &ctx->edge_buf_uv[1][0]; |
eec67f25 |
} else if (ctx->bit_depth == 10 && vdsp->emulated_edge_mc && ((mb_x << 4) + 16 > ctx->m.avctx->width ||
(mb_y << 4) + 16 > ctx->m.avctx->height)) {
int y_w = ctx->m.avctx->width - (mb_x << 4);
int y_h = ctx->m.avctx->height - (mb_y << 4); |
f078bc4c |
int uv_w = ctx->is_444 ? y_w : (y_w + 1) / 2;
int uv_h = y_h; |
eec67f25 |
linesize = 32;
uvlinesize = 16 + 16 * ctx->is_444; |
f078bc4c |
vdsp->emulated_edge_mc(&ctx->edge_buf_y[0], ptr_y,
linesize, ctx->m.linesize,
linesize / 2, 16,
0, 0, y_w, y_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[0][0], ptr_u,
uvlinesize, ctx->m.uvlinesize,
uvlinesize / 2, 16,
0, 0, uv_w, uv_h);
vdsp->emulated_edge_mc(&ctx->edge_buf_uv[1][0], ptr_v,
uvlinesize, ctx->m.uvlinesize,
uvlinesize / 2, 16,
0, 0, uv_w, uv_h);
|
eec67f25 |
dct_y_offset = bw * linesize / 2;
dct_uv_offset = bw * uvlinesize / 2; |
f078bc4c |
ptr_y = &ctx->edge_buf_y[0];
ptr_u = &ctx->edge_buf_uv[0][0];
ptr_v = &ctx->edge_buf_uv[1][0]; |
6051bb33 |
} |
fc4cbc16 |
|
f078bc4c |
if (!ctx->is_444) {
pdsp->get_pixels(ctx->blocks[0], ptr_y, linesize);
pdsp->get_pixels(ctx->blocks[1], ptr_y + bw, linesize);
pdsp->get_pixels(ctx->blocks[2], ptr_u, uvlinesize);
pdsp->get_pixels(ctx->blocks[3], ptr_v, 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 + dct_y_offset,
linesize);
ctx->get_pixels_8x4_sym(ctx->blocks[5],
ptr_y + dct_y_offset + bw,
linesize);
ctx->get_pixels_8x4_sym(ctx->blocks[6],
ptr_u + dct_uv_offset,
uvlinesize);
ctx->get_pixels_8x4_sym(ctx->blocks[7],
ptr_v + dct_uv_offset,
uvlinesize);
} else {
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]);
} |
049a6c8b |
} else { |
f078bc4c |
pdsp->get_pixels(ctx->blocks[4],
ptr_y + dct_y_offset, linesize);
pdsp->get_pixels(ctx->blocks[5],
ptr_y + dct_y_offset + bw, linesize);
pdsp->get_pixels(ctx->blocks[6],
ptr_u + dct_uv_offset, uvlinesize);
pdsp->get_pixels(ctx->blocks[7],
ptr_v + dct_uv_offset, uvlinesize); |
049a6c8b |
} |
fc4cbc16 |
} else { |
f078bc4c |
pdsp->get_pixels(ctx->blocks[0], ptr_y, linesize);
pdsp->get_pixels(ctx->blocks[1], ptr_y + bw, linesize);
pdsp->get_pixels(ctx->blocks[6], ptr_y + dct_y_offset, linesize);
pdsp->get_pixels(ctx->blocks[7], ptr_y + dct_y_offset + bw, linesize);
pdsp->get_pixels(ctx->blocks[2], ptr_u, uvlinesize);
pdsp->get_pixels(ctx->blocks[3], ptr_u + bw, uvlinesize);
pdsp->get_pixels(ctx->blocks[8], ptr_u + dct_uv_offset, uvlinesize);
pdsp->get_pixels(ctx->blocks[9], ptr_u + dct_uv_offset + bw, uvlinesize);
pdsp->get_pixels(ctx->blocks[4], ptr_v, uvlinesize);
pdsp->get_pixels(ctx->blocks[5], ptr_v + bw, uvlinesize);
pdsp->get_pixels(ctx->blocks[10], ptr_v + dct_uv_offset, uvlinesize);
pdsp->get_pixels(ctx->blocks[11], ptr_v + dct_uv_offset + bw, uvlinesize); |
fc4cbc16 |
}
}
|
89ef08c9 |
static av_always_inline
int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i) |
fc4cbc16 |
{ |
f078bc4c |
int x;
if (ctx->is_444) {
x = (i >> 1) % 3;
} else {
const static uint8_t component[8]={0,0,1,2,0,0,1,2};
x = component[i];
}
return x; |
fc4cbc16 |
}
|
89ef08c9 |
static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg,
int jobnr, int threadnr) |
fc4cbc16 |
{ |
2a1294b9 |
DNXHDEncContext *ctx = avctx->priv_data;
int mb_y = jobnr, mb_x;
int qscale = ctx->qscale; |
88bd7fdc |
LOCAL_ALIGNED_16(int16_t, block, [64]); |
2a1294b9 |
ctx = ctx->thread[threadnr]; |
fc4cbc16 |
|
b5ca9cd3 |
ctx->m.last_dc[0] =
ctx->m.last_dc[1] = |
f078bc4c |
ctx->m.last_dc[2] = 1 << (ctx->bit_depth + 2); |
b5ca9cd3 |
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);
|
f078bc4c |
for (i = 0; i < 8 + 4 * ctx->is_444; i++) { |
88bd7fdc |
int16_t *src_block = ctx->blocks[i]; |
b5ca9cd3 |
int overflow, nbits, diff, last_index;
int n = dnxhd_switch_matrix(ctx, i);
|
89ef08c9 |
memcpy(block, src_block, 64 * sizeof(*block)); |
f078bc4c |
last_index = ctx->m.dct_quantize(&ctx->m, block,
ctx->is_444 ? 4 * (n > 0): 4 & (2*i), |
89ef08c9 |
qscale, &overflow);
ac_bits += dnxhd_calc_ac_bits(ctx, block, last_index); |
b5ca9cd3 |
diff = block[0] - ctx->m.last_dc[n]; |
89ef08c9 |
if (diff < 0)
nbits = av_log2_16bit(-2 * diff);
else
nbits = av_log2_16bit(2 * diff); |
5ab21439 |
|
f078bc4c |
av_assert1(nbits < ctx->bit_depth + 4); |
b5ca9cd3 |
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); |
e3fcb143 |
ctx->m.idsp.idct(block); |
b5ca9cd3 |
ssd += dnxhd_ssd_block(block, src_block); |
fc4cbc16 |
}
} |
cdca1902 |
ctx->mb_rc[(qscale * ctx->m.mb_num) + mb].ssd = ssd;
ctx->mb_rc[(qscale * ctx->m.mb_num) + mb].bits = ac_bits + dc_bits + 12 + |
f078bc4c |
(1 + ctx->is_444) * 8 * ctx->vlc_bits[0]; |
b5ca9cd3 |
} |
fc4cbc16 |
return 0;
}
|
89ef08c9 |
static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg,
int jobnr, int threadnr) |
fc4cbc16 |
{ |
2a1294b9 |
DNXHDEncContext *ctx = avctx->priv_data;
int mb_y = jobnr, mb_x;
ctx = ctx->thread[threadnr]; |
ece12db4 |
init_put_bits(&ctx->m.pb, (uint8_t *)arg + ctx->data_offset + ctx->slice_offs[jobnr], |
89ef08c9 |
ctx->slice_size[jobnr]); |
fc4cbc16 |
|
b5ca9cd3 |
ctx->m.last_dc[0] =
ctx->m.last_dc[1] = |
f078bc4c |
ctx->m.last_dc[2] = 1 << (ctx->bit_depth + 2); |
b5ca9cd3 |
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;
|
f078bc4c |
put_bits(&ctx->m.pb, 11, qscale);
put_bits(&ctx->m.pb, 1, avctx->pix_fmt == AV_PIX_FMT_YUV444P10); |
b5ca9cd3 |
dnxhd_get_blocks(ctx, mb_x, mb_y);
|
f078bc4c |
for (i = 0; i < 8 + 4 * ctx->is_444; i++) { |
88bd7fdc |
int16_t *block = ctx->blocks[i]; |
54e68fb3 |
int overflow, n = dnxhd_switch_matrix(ctx, i); |
f078bc4c |
int last_index = ctx->m.dct_quantize(&ctx->m, block,
ctx->is_444 ? (((i >> 1) % 3) < 1 ? 0 : 4): 4 & (2*i), |
54e68fb3 |
qscale, &overflow); |
cc2a9509 |
|
b5ca9cd3 |
dnxhd_encode_block(ctx, block, last_index, n); |
fc4cbc16 |
} |
b5ca9cd3 |
} |
89ef08c9 |
if (put_bits_count(&ctx->m.pb) & 31)
put_bits(&ctx->m.pb, 32 - (put_bits_count(&ctx->m.pb) & 31), 0); |
fc4cbc16 |
flush_put_bits(&ctx->m.pb);
return 0;
}
|
2a1294b9 |
static void dnxhd_setup_threads_slices(DNXHDEncContext *ctx) |
fc4cbc16 |
{
int mb_y, mb_x; |
2a1294b9 |
int offset = 0;
for (mb_y = 0; mb_y < ctx->m.mb_height; mb_y++) {
int thread_size;
ctx->slice_offs[mb_y] = offset; |
10738239 |
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];
} |
89ef08c9 |
ctx->slice_size[mb_y] = (ctx->slice_size[mb_y] + 31) & ~31; |
10738239 |
ctx->slice_size[mb_y] >>= 3;
thread_size = ctx->slice_size[mb_y]; |
fc4cbc16 |
offset += thread_size;
}
}
|
89ef08c9 |
static int dnxhd_mb_var_thread(AVCodecContext *avctx, void *arg,
int jobnr, int threadnr) |
fc4cbc16 |
{ |
2a1294b9 |
DNXHDEncContext *ctx = avctx->priv_data; |
69c25c92 |
int mb_y = jobnr, mb_x, x, y;
int partial_last_row = (mb_y == ctx->m.mb_height - 1) &&
((avctx->height >> ctx->interlaced) & 0xF);
|
2a1294b9 |
ctx = ctx->thread[threadnr]; |
f078bc4c |
if (ctx->bit_depth == 8) { |
89ef08c9 |
uint8_t *pix = ctx->thread[0]->src[0] + ((mb_y << 4) * ctx->m.linesize); |
5ab21439 |
for (mb_x = 0; mb_x < ctx->m.mb_width; ++mb_x, pix += 16) { |
89ef08c9 |
unsigned mb = mb_y * ctx->m.mb_width + mb_x; |
69c25c92 |
int sum;
int varc;
|
ece12db4 |
if (!partial_last_row && mb_x * 16 <= avctx->width - 16 && (avctx->width % 16) == 0) { |
c1661484 |
sum = ctx->m.mpvencdsp.pix_sum(pix, ctx->m.linesize);
varc = ctx->m.mpvencdsp.pix_norm1(pix, ctx->m.linesize); |
69c25c92 |
} 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;
}
}
} |
89ef08c9 |
varc = (varc - (((unsigned) sum * sum) >> 8) + 128) >> 8; |
69c25c92 |
|
5ab21439 |
ctx->mb_cmp[mb].value = varc; |
89ef08c9 |
ctx->mb_cmp[mb].mb = mb; |
5ab21439 |
}
} else { // 10-bit |
8dead2aa |
const int linesize = ctx->m.linesize >> 1; |
5ab21439 |
for (mb_x = 0; mb_x < ctx->m.mb_width; ++mb_x) { |
89ef08c9 |
uint16_t *pix = (uint16_t *)ctx->thread[0]->src[0] +
((mb_y << 4) * linesize) + (mb_x << 4); |
5ab21439 |
unsigned mb = mb_y * ctx->m.mb_width + mb_x;
int sum = 0;
int sqsum = 0; |
234369d0 |
int bw = FFMIN(avctx->width - 16 * mb_x, 16);
int bh = FFMIN((avctx->height >> ctx->interlaced) - 16 * mb_y, 16); |
5ab21439 |
int mean, sqmean; |
e72f3d10 |
int i, j; |
5ab21439 |
// Macroblocks are 16x16 pixels, unlike DCT blocks which are 8x8. |
234369d0 |
for (i = 0; i < bh; ++i) {
for (j = 0; j < bw; ++j) { |
5ab21439 |
// Turn 16-bit pixels into 10-bit ones. |
8dead2aa |
const int sample = (unsigned) pix[j] >> 6; |
89ef08c9 |
sum += sample; |
5ab21439 |
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; |
89ef08c9 |
ctx->mb_cmp[mb].mb = mb; |
5ab21439 |
} |
b5ca9cd3 |
} |
fc4cbc16 |
return 0;
}
static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx)
{ |
45b8e9e5 |
int lambda, up_step, down_step;
int last_lower = INT_MAX, last_higher = 0; |
fc4cbc16 |
int x, y, q;
for (q = 1; q < avctx->qmax; q++) {
ctx->qscale = q; |
89ef08c9 |
avctx->execute2(avctx, dnxhd_calc_bits_thread,
NULL, NULL, ctx->m.mb_height); |
fc4cbc16 |
} |
89ef08c9 |
up_step = down_step = 2 << LAMBDA_FRAC_BITS;
lambda = ctx->lambda; |
fc4cbc16 |
for (;;) {
int bits = 0; |
89ef08c9 |
int end = 0; |
45b8e9e5 |
if (lambda == last_higher) { |
fc4cbc16 |
lambda++; |
45b8e9e5 |
end = 1; // need to set final qscales/bits |
fc4cbc16 |
}
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; |
89ef08c9 |
int mb = y * ctx->m.mb_width + x; |
cdca1902 |
int rc = 0; |
fc4cbc16 |
for (q = 1; q < avctx->qmax; q++) { |
cdca1902 |
int i = (q*ctx->m.mb_num) + mb;
unsigned score = ctx->mb_rc[i].bits * lambda +
((unsigned) ctx->mb_rc[i].ssd << LAMBDA_FRAC_BITS); |
fc4cbc16 |
if (score < min) { |
89ef08c9 |
min = score; |
fc4cbc16 |
qscale = q; |
cdca1902 |
rc = i; |
fc4cbc16 |
}
} |
cdca1902 |
bits += ctx->mb_rc[rc].bits; |
fc4cbc16 |
ctx->mb_qscale[mb] = qscale; |
cdca1902 |
ctx->mb_bits[mb] = ctx->mb_rc[rc].bits; |
fc4cbc16 |
} |
89ef08c9 |
bits = (bits + 31) & ~31; // padding |
fc4cbc16 |
if (bits > ctx->frame_bits)
break;
}
if (end) {
if (bits > ctx->frame_bits) |
b9bedb0b |
return AVERROR(EINVAL); |
fc4cbc16 |
break;
}
if (bits < ctx->frame_bits) { |
45b8e9e5 |
last_lower = FFMIN(lambda, last_lower);
if (last_higher != 0)
lambda = (lambda+last_higher)>>1;
else
lambda -= down_step; |
3a83b246 |
down_step = FFMIN((int64_t)down_step*5, INT_MAX); |
45b8e9e5 |
up_step = 1<<LAMBDA_FRAC_BITS;
lambda = FFMAX(1, lambda);
if (lambda == last_lower)
break; |
fc4cbc16 |
} else { |
45b8e9e5 |
last_higher = FFMAX(lambda, last_higher);
if (last_lower != INT_MAX)
lambda = (lambda+last_lower)>>1; |
cb893cf3 |
else if ((int64_t)lambda + up_step > INT_MAX) |
b9bedb0b |
return AVERROR(EINVAL); |
45b8e9e5 |
else
lambda += up_step; |
cb893cf3 |
up_step = FFMIN((int64_t)up_step*5, INT_MAX); |
45b8e9e5 |
down_step = 1<<LAMBDA_FRAC_BITS; |
fc4cbc16 |
}
}
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 |
89ef08c9 |
ctx->m.avctx->execute2(ctx->m.avctx, dnxhd_calc_bits_thread,
NULL, NULL, ctx->m.mb_height); |
fc4cbc16 |
for (y = 0; y < ctx->m.mb_height; y++) {
for (x = 0; x < ctx->m.mb_width; x++) |
cdca1902 |
bits += ctx->mb_rc[(qscale*ctx->m.mb_num) + (y*ctx->m.mb_width+x)].bits; |
fc4cbc16 |
bits = (bits+31)&~31; // padding
if (bits > ctx->frame_bits)
break;
}
if (bits < ctx->frame_bits) {
if (qscale == 1) |
78532b05 |
return 1; |
fc4cbc16 |
if (last_higher == qscale - 1) {
qscale = last_higher;
break;
}
last_lower = FFMIN(qscale, last_lower);
if (last_higher != 0) |
89ef08c9 |
qscale = (qscale + last_higher) >> 1; |
fc4cbc16 |
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) |
89ef08c9 |
qscale = (qscale + last_lower) >> 1; |
fc4cbc16 |
else
qscale += up_step++;
down_step = 1;
if (qscale >= ctx->m.avctx->qmax) |
b9bedb0b |
return AVERROR(EINVAL); |
fc4cbc16 |
}
}
ctx->qscale = qscale;
return 0;
}
|
40e26453 |
#define BUCKET_BITS 8
#define RADIX_PASSES 4
#define NBUCKETS (1 << BUCKET_BITS)
static inline int get_bucket(int value, int shift)
{
value >>= shift; |
89ef08c9 |
value &= NBUCKETS - 1; |
40e26453 |
return NBUCKETS - 1 - value;
}
|
89ef08c9 |
static void radix_count(const RCCMPEntry *data, int size,
int buckets[RADIX_PASSES][NBUCKETS]) |
40e26453 |
{
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;
} |
422418b6 |
av_assert1(!v); |
40e26453 |
}
for (j = 0; j < RADIX_PASSES; j++) {
int offset = size;
for (i = NBUCKETS - 1; i >= 0; i--)
buckets[j][i] = offset -= buckets[j][i]; |
422418b6 |
av_assert1(!buckets[j][0]); |
40e26453 |
}
}
|
89ef08c9 |
static void radix_sort_pass(RCCMPEntry *dst, const RCCMPEntry *data,
int size, int buckets[NBUCKETS], int pass) |
40e26453 |
{
int shift = pass * BUCKET_BITS;
int i;
for (i = 0; i < size; i++) { |
89ef08c9 |
int v = get_bucket(data[i].value, shift); |
40e26453 |
int pos = buckets[v]++;
dst[pos] = data[i];
}
}
|
6c5b98d4 |
static void radix_sort(RCCMPEntry *data, RCCMPEntry *tmp, int size) |
fc4cbc16 |
{ |
40e26453 |
int buckets[RADIX_PASSES][NBUCKETS];
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);
} |
fc4cbc16 |
}
|
df745b9c |
static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx) |
fc4cbc16 |
{
int max_bits = 0; |
78532b05 |
int ret, x, y;
if ((ret = dnxhd_find_qscale(ctx)) < 0) |
b9bedb0b |
return ret; |
fc4cbc16 |
for (y = 0; y < ctx->m.mb_height; y++) {
for (x = 0; x < ctx->m.mb_width; x++) { |
89ef08c9 |
int mb = y * ctx->m.mb_width + x; |
cdca1902 |
int rc = (ctx->qscale * ctx->m.mb_num ) + mb; |
fc4cbc16 |
int delta_bits;
ctx->mb_qscale[mb] = ctx->qscale; |
cdca1902 |
ctx->mb_bits[mb] = ctx->mb_rc[rc].bits;
max_bits += ctx->mb_rc[rc].bits; |
fc4cbc16 |
if (!RC_VARIANCE) { |
cdca1902 |
delta_bits = ctx->mb_rc[rc].bits -
ctx->mb_rc[rc + ctx->m.mb_num].bits; |
fc4cbc16 |
ctx->mb_cmp[mb].mb = mb; |
89ef08c9 |
ctx->mb_cmp[mb].value = |
cdca1902 |
delta_bits ? ((ctx->mb_rc[rc].ssd -
ctx->mb_rc[rc + ctx->m.mb_num].ssd) * 100) / |
89ef08c9 |
delta_bits
: INT_MIN; // avoid increasing qscale |
fc4cbc16 |
}
} |
89ef08c9 |
max_bits += 31; // worst padding |
fc4cbc16 |
} |
78532b05 |
if (!ret) { |
fc4cbc16 |
if (RC_VARIANCE) |
89ef08c9 |
avctx->execute2(avctx, dnxhd_mb_var_thread,
NULL, NULL, ctx->m.mb_height); |
6c5b98d4 |
radix_sort(ctx->mb_cmp, ctx->mb_cmp_tmp, ctx->m.mb_num); |
fc4cbc16 |
for (x = 0; x < ctx->m.mb_num && max_bits > ctx->frame_bits; x++) {
int mb = ctx->mb_cmp[x].mb; |
cdca1902 |
int rc = (ctx->qscale * ctx->m.mb_num ) + mb;
max_bits -= ctx->mb_rc[rc].bits -
ctx->mb_rc[rc + ctx->m.mb_num].bits; |
89ef08c9 |
ctx->mb_qscale[mb] = ctx->qscale + 1; |
cdca1902 |
ctx->mb_bits[mb] = ctx->mb_rc[rc + ctx->m.mb_num].bits; |
fc4cbc16 |
}
}
return 0;
}
|
7993df65 |
static void dnxhd_load_picture(DNXHDEncContext *ctx, const AVFrame *frame) |
fc4cbc16 |
{
int i;
for (i = 0; i < ctx->m.avctx->thread_count; i++) { |
57e7b3a8 |
ctx->thread[i]->m.linesize = frame->linesize[0] << ctx->interlaced;
ctx->thread[i]->m.uvlinesize = frame->linesize[1] << ctx->interlaced; |
fc4cbc16 |
ctx->thread[i]->dct_y_offset = ctx->m.linesize *8;
ctx->thread[i]->dct_uv_offset = ctx->m.uvlinesize*8;
}
|
40cf1bba |
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS |
57e7b3a8 |
ctx->m.avctx->coded_frame->interlaced_frame = frame->interlaced_frame; |
40cf1bba |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
fc4cbc16 |
ctx->cur_field = frame->interlaced_frame && !frame->top_field_first;
}
|
89829242 |
static int dnxhd_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet) |
fc4cbc16 |
{
DNXHDEncContext *ctx = avctx->priv_data;
int first_field = 1;
int offset, i, ret; |
5362df2e |
uint8_t *buf; |
fc4cbc16 |
|
ece12db4 |
if ((ret = ff_alloc_packet2(avctx, pkt, ctx->frame_size, 0)) < 0) |
89829242 |
return ret;
buf = pkt->data; |
fc4cbc16 |
|
89829242 |
dnxhd_load_picture(ctx, frame); |
fc4cbc16 |
|
89ef08c9 |
encode_coding_unit: |
fc4cbc16 |
for (i = 0; i < 3; i++) { |
57e7b3a8 |
ctx->src[i] = frame->data[i]; |
fc4cbc16 |
if (ctx->interlaced && ctx->cur_field) |
57e7b3a8 |
ctx->src[i] += frame->linesize[i]; |
fc4cbc16 |
}
dnxhd_write_header(avctx, buf);
if (avctx->mb_decision == FF_MB_DECISION_RD)
ret = dnxhd_encode_rdo(avctx, ctx);
else |
df745b9c |
ret = dnxhd_encode_fast(avctx, ctx); |
fc4cbc16 |
if (ret < 0) { |
a4fcd996 |
av_log(avctx, AV_LOG_ERROR,
"picture could not fit ratecontrol constraints, increase qmax\n"); |
b9bedb0b |
return ret; |
fc4cbc16 |
}
|
2a1294b9 |
dnxhd_setup_threads_slices(ctx); |
fc4cbc16 |
offset = 0;
for (i = 0; i < ctx->m.mb_height; i++) {
AV_WB32(ctx->msip + i * 4, offset);
offset += ctx->slice_size[i]; |
422418b6 |
av_assert1(!(ctx->slice_size[i] & 3)); |
fc4cbc16 |
}
|
2a1294b9 |
avctx->execute2(avctx, dnxhd_encode_thread, buf, NULL, ctx->m.mb_height); |
fc4cbc16 |
|
ece12db4 |
av_assert1(ctx->data_offset + offset + 4 <= ctx->coding_unit_size);
memset(buf + ctx->data_offset + offset, 0,
ctx->coding_unit_size - 4 - offset - ctx->data_offset); |
301a24de |
|
ece12db4 |
AV_WB32(buf + ctx->coding_unit_size - 4, 0x600DC0DE); // EOF |
fc4cbc16 |
if (ctx->interlaced && first_field) {
first_field = 0;
ctx->cur_field ^= 1; |
ece12db4 |
buf += ctx->coding_unit_size; |
fc4cbc16 |
goto encode_coding_unit;
}
|
40cf1bba |
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS |
57e7b3a8 |
avctx->coded_frame->quality = ctx->qscale * FF_QP2LAMBDA; |
40cf1bba |
FF_ENABLE_DEPRECATION_WARNINGS
#endif |
6650c4c3 |
|
caba19a5 |
ff_side_data_set_encoder_stats(pkt, ctx->qscale * FF_QP2LAMBDA, NULL, 0, AV_PICTURE_TYPE_I); |
5d3addb9 |
|
89829242 |
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0; |
fc4cbc16 |
}
|
bd8ac882 |
static av_cold int dnxhd_encode_end(AVCodecContext *avctx) |
fc4cbc16 |
{
DNXHDEncContext *ctx = avctx->priv_data;
int i;
|
aeb73c73 |
av_freep(&ctx->orig_vlc_codes);
av_freep(&ctx->orig_vlc_bits); |
b73e868b |
av_freep(&ctx->run_codes);
av_freep(&ctx->run_bits); |
fc4cbc16 |
av_freep(&ctx->mb_bits);
av_freep(&ctx->mb_qscale);
av_freep(&ctx->mb_rc);
av_freep(&ctx->mb_cmp); |
6c5b98d4 |
av_freep(&ctx->mb_cmp_tmp); |
fc4cbc16 |
av_freep(&ctx->slice_size); |
2a1294b9 |
av_freep(&ctx->slice_offs); |
fc4cbc16 |
av_freep(&ctx->qmatrix_c);
av_freep(&ctx->qmatrix_l);
av_freep(&ctx->qmatrix_c16);
av_freep(&ctx->qmatrix_l16);
|
0d35413e |
if (avctx->active_thread_type == FF_THREAD_SLICE) {
for (i = 1; i < avctx->thread_count; i++)
av_freep(&ctx->thread[i]);
} |
fc4cbc16 |
return 0;
}
|
950930b4 |
static const AVCodecDefault dnxhd_defaults[] = {
{ "qmax", "1024" }, /* Maximum quantization scale factor allowed for VC-3 */
{ NULL },
};
|
e7e2df27 |
AVCodec ff_dnxhd_encoder = { |
ec6402b7 |
.name = "dnxhd", |
b2bed932 |
.long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"), |
ec6402b7 |
.type = AVMEDIA_TYPE_VIDEO, |
36ef5369 |
.id = AV_CODEC_ID_DNXHD, |
ec6402b7 |
.priv_data_size = sizeof(DNXHDEncContext),
.init = dnxhd_encode_init, |
89829242 |
.encode2 = dnxhd_encode_picture, |
ec6402b7 |
.close = dnxhd_encode_end, |
13b1bbff |
.capabilities = AV_CODEC_CAP_SLICE_THREADS | AV_CODEC_CAP_FRAME_THREADS, |
aeb73c73 |
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP, |
89ef08c9 |
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV422P10, |
f078bc4c |
AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_GBRP10, |
89ef08c9 |
AV_PIX_FMT_NONE
}, |
0915b531 |
.priv_class = &dnxhd_class, |
950930b4 |
.defaults = dnxhd_defaults, |
41d7642a |
.profiles = NULL_IF_CONFIG_SMALL(ff_dnxhd_profiles), |
fc4cbc16 |
}; |