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-rw-r--r--libavcodec/proresenc.c1341
1 files changed, 0 insertions, 1341 deletions
diff --git a/libavcodec/proresenc.c b/libavcodec/proresenc.c
deleted file mode 100644
index 0564b12ae2..0000000000
--- a/libavcodec/proresenc.c
+++ /dev/null
@@ -1,1341 +0,0 @@
-/*
- * Apple ProRes encoder
- *
- * Copyright (c) 2012 Konstantin Shishkov
- *
- * This file is part of Libav.
- *
- * 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.
- *
- * 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "libavutil/opt.h"
-#include "libavutil/pixdesc.h"
-#include "avcodec.h"
-#include "fdctdsp.h"
-#include "put_bits.h"
-#include "bytestream.h"
-#include "internal.h"
-#include "proresdata.h"
-
-#define CFACTOR_Y422 2
-#define CFACTOR_Y444 3
-
-#define MAX_MBS_PER_SLICE 8
-
-#define MAX_PLANES 4
-
-enum {
- PRORES_PROFILE_PROXY = 0,
- PRORES_PROFILE_LT,
- PRORES_PROFILE_STANDARD,
- PRORES_PROFILE_HQ,
- PRORES_PROFILE_4444,
-};
-
-enum {
- QUANT_MAT_PROXY = 0,
- QUANT_MAT_LT,
- QUANT_MAT_STANDARD,
- QUANT_MAT_HQ,
- QUANT_MAT_DEFAULT,
-};
-
-static const uint8_t prores_quant_matrices[][64] = {
- { // proxy
- 4, 7, 9, 11, 13, 14, 15, 63,
- 7, 7, 11, 12, 14, 15, 63, 63,
- 9, 11, 13, 14, 15, 63, 63, 63,
- 11, 11, 13, 14, 63, 63, 63, 63,
- 11, 13, 14, 63, 63, 63, 63, 63,
- 13, 14, 63, 63, 63, 63, 63, 63,
- 13, 63, 63, 63, 63, 63, 63, 63,
- 63, 63, 63, 63, 63, 63, 63, 63,
- },
- { // LT
- 4, 5, 6, 7, 9, 11, 13, 15,
- 5, 5, 7, 8, 11, 13, 15, 17,
- 6, 7, 9, 11, 13, 15, 15, 17,
- 7, 7, 9, 11, 13, 15, 17, 19,
- 7, 9, 11, 13, 14, 16, 19, 23,
- 9, 11, 13, 14, 16, 19, 23, 29,
- 9, 11, 13, 15, 17, 21, 28, 35,
- 11, 13, 16, 17, 21, 28, 35, 41,
- },
- { // standard
- 4, 4, 5, 5, 6, 7, 7, 9,
- 4, 4, 5, 6, 7, 7, 9, 9,
- 5, 5, 6, 7, 7, 9, 9, 10,
- 5, 5, 6, 7, 7, 9, 9, 10,
- 5, 6, 7, 7, 8, 9, 10, 12,
- 6, 7, 7, 8, 9, 10, 12, 15,
- 6, 7, 7, 9, 10, 11, 14, 17,
- 7, 7, 9, 10, 11, 14, 17, 21,
- },
- { // high quality
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 5,
- 4, 4, 4, 4, 4, 4, 5, 5,
- 4, 4, 4, 4, 4, 5, 5, 6,
- 4, 4, 4, 4, 5, 5, 6, 7,
- 4, 4, 4, 4, 5, 6, 7, 7,
- },
- { // codec default
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4,
- },
-};
-
-#define NUM_MB_LIMITS 4
-static const int prores_mb_limits[NUM_MB_LIMITS] = {
- 1620, // up to 720x576
- 2700, // up to 960x720
- 6075, // up to 1440x1080
- 9216, // up to 2048x1152
-};
-
-static const struct prores_profile {
- const char *full_name;
- uint32_t tag;
- int min_quant;
- int max_quant;
- int br_tab[NUM_MB_LIMITS];
- int quant;
-} prores_profile_info[5] = {
- {
- .full_name = "proxy",
- .tag = MKTAG('a', 'p', 'c', 'o'),
- .min_quant = 4,
- .max_quant = 8,
- .br_tab = { 300, 242, 220, 194 },
- .quant = QUANT_MAT_PROXY,
- },
- {
- .full_name = "LT",
- .tag = MKTAG('a', 'p', 'c', 's'),
- .min_quant = 1,
- .max_quant = 9,
- .br_tab = { 720, 560, 490, 440 },
- .quant = QUANT_MAT_LT,
- },
- {
- .full_name = "standard",
- .tag = MKTAG('a', 'p', 'c', 'n'),
- .min_quant = 1,
- .max_quant = 6,
- .br_tab = { 1050, 808, 710, 632 },
- .quant = QUANT_MAT_STANDARD,
- },
- {
- .full_name = "high quality",
- .tag = MKTAG('a', 'p', 'c', 'h'),
- .min_quant = 1,
- .max_quant = 6,
- .br_tab = { 1566, 1216, 1070, 950 },
- .quant = QUANT_MAT_HQ,
- },
- {
- .full_name = "4444",
- .tag = MKTAG('a', 'p', '4', 'h'),
- .min_quant = 1,
- .max_quant = 6,
- .br_tab = { 2350, 1828, 1600, 1425 },
- .quant = QUANT_MAT_HQ,
- }
-};
-
-#define TRELLIS_WIDTH 16
-#define SCORE_LIMIT INT_MAX / 2
-
-struct TrellisNode {
- int prev_node;
- int quant;
- int bits;
- int score;
-};
-
-#define MAX_STORED_Q 16
-
-typedef struct ProresThreadData {
- DECLARE_ALIGNED(16, int16_t, blocks)[MAX_PLANES][64 * 4 * MAX_MBS_PER_SLICE];
- DECLARE_ALIGNED(16, uint16_t, emu_buf)[16 * 16];
- int16_t custom_q[64];
- struct TrellisNode *nodes;
-} ProresThreadData;
-
-typedef struct ProresContext {
- AVClass *class;
- DECLARE_ALIGNED(16, int16_t, blocks)[MAX_PLANES][64 * 4 * MAX_MBS_PER_SLICE];
- DECLARE_ALIGNED(16, uint16_t, emu_buf)[16*16];
- int16_t quants[MAX_STORED_Q][64];
- int16_t custom_q[64];
- const uint8_t *quant_mat;
- const uint8_t *scantable;
-
- void (*fdct)(FDCTDSPContext *fdsp, const uint16_t *src,
- int linesize, int16_t *block);
- FDCTDSPContext fdsp;
-
- const AVFrame *pic;
- int mb_width, mb_height;
- int mbs_per_slice;
- int num_chroma_blocks, chroma_factor;
- int slices_width;
- int slices_per_picture;
- int pictures_per_frame; // 1 for progressive, 2 for interlaced
- int cur_picture_idx;
- int num_planes;
- int bits_per_mb;
- int force_quant;
- int alpha_bits;
- int warn;
-
- char *vendor;
- int quant_sel;
-
- int frame_size_upper_bound;
-
- int profile;
- const struct prores_profile *profile_info;
-
- int *slice_q;
-
- ProresThreadData *tdata;
-} ProresContext;
-
-static void get_slice_data(ProresContext *ctx, const uint16_t *src,
- int linesize, int x, int y, int w, int h,
- int16_t *blocks, uint16_t *emu_buf,
- int mbs_per_slice, int blocks_per_mb, int is_chroma)
-{
- const uint16_t *esrc;
- const int mb_width = 4 * blocks_per_mb;
- int elinesize;
- int i, j, k;
-
- for (i = 0; i < mbs_per_slice; i++, src += mb_width) {
- if (x >= w) {
- memset(blocks, 0, 64 * (mbs_per_slice - i) * blocks_per_mb
- * sizeof(*blocks));
- return;
- }
- if (x + mb_width <= w && y + 16 <= h) {
- esrc = src;
- elinesize = linesize;
- } else {
- int bw, bh, pix;
-
- esrc = emu_buf;
- elinesize = 16 * sizeof(*emu_buf);
-
- bw = FFMIN(w - x, mb_width);
- bh = FFMIN(h - y, 16);
-
- for (j = 0; j < bh; j++) {
- memcpy(emu_buf + j * 16,
- (const uint8_t*)src + j * linesize,
- bw * sizeof(*src));
- pix = emu_buf[j * 16 + bw - 1];
- for (k = bw; k < mb_width; k++)
- emu_buf[j * 16 + k] = pix;
- }
- for (; j < 16; j++)
- memcpy(emu_buf + j * 16,
- emu_buf + (bh - 1) * 16,
- mb_width * sizeof(*emu_buf));
- }
- if (!is_chroma) {
- ctx->fdct(&ctx->fdsp, esrc, elinesize, blocks);
- blocks += 64;
- if (blocks_per_mb > 2) {
- ctx->fdct(&ctx->fdsp, esrc + 8, elinesize, blocks);
- blocks += 64;
- }
- ctx->fdct(&ctx->fdsp, esrc + elinesize * 4, elinesize, blocks);
- blocks += 64;
- if (blocks_per_mb > 2) {
- ctx->fdct(&ctx->fdsp, esrc + elinesize * 4 + 8, elinesize, blocks);
- blocks += 64;
- }
- } else {
- ctx->fdct(&ctx->fdsp, esrc, elinesize, blocks);
- blocks += 64;
- ctx->fdct(&ctx->fdsp, esrc + elinesize * 4, elinesize, blocks);
- blocks += 64;
- if (blocks_per_mb > 2) {
- ctx->fdct(&ctx->fdsp, esrc + 8, elinesize, blocks);
- blocks += 64;
- ctx->fdct(&ctx->fdsp, esrc + elinesize * 4 + 8, elinesize, blocks);
- blocks += 64;
- }
- }
-
- x += mb_width;
- }
-}
-
-static void get_alpha_data(ProresContext *ctx, const uint16_t *src,
- int linesize, int x, int y, int w, int h,
- int16_t *blocks, int mbs_per_slice, int abits)
-{
- const int slice_width = 16 * mbs_per_slice;
- int i, j, copy_w, copy_h;
-
- copy_w = FFMIN(w - x, slice_width);
- copy_h = FFMIN(h - y, 16);
- for (i = 0; i < copy_h; i++) {
- memcpy(blocks, src, copy_w * sizeof(*src));
- if (abits == 8)
- for (j = 0; j < copy_w; j++)
- blocks[j] >>= 2;
- else
- for (j = 0; j < copy_w; j++)
- blocks[j] = (blocks[j] << 6) | (blocks[j] >> 4);
- for (j = copy_w; j < slice_width; j++)
- blocks[j] = blocks[copy_w - 1];
- blocks += slice_width;
- src += linesize >> 1;
- }
- for (; i < 16; i++) {
- memcpy(blocks, blocks - slice_width, slice_width * sizeof(*blocks));
- blocks += slice_width;
- }
-}
-
-/**
- * Write an unsigned rice/exp golomb codeword.
- */
-static inline void encode_vlc_codeword(PutBitContext *pb, unsigned codebook, int val)
-{
- unsigned int rice_order, exp_order, switch_bits, switch_val;
- int exponent;
-
- /* number of prefix bits to switch between Rice and expGolomb */
- switch_bits = (codebook & 3) + 1;
- rice_order = codebook >> 5; /* rice code order */
- exp_order = (codebook >> 2) & 7; /* exp golomb code order */
-
- switch_val = switch_bits << rice_order;
-
- if (val >= switch_val) {
- val -= switch_val - (1 << exp_order);
- exponent = av_log2(val);
-
- put_bits(pb, exponent - exp_order + switch_bits, 0);
- put_bits(pb, exponent + 1, val);
- } else {
- exponent = val >> rice_order;
-
- if (exponent)
- put_bits(pb, exponent, 0);
- put_bits(pb, 1, 1);
- if (rice_order)
- put_sbits(pb, rice_order, val);
- }
-}
-
-#define GET_SIGN(x) ((x) >> 31)
-#define MAKE_CODE(x) (((x) << 1) ^ GET_SIGN(x))
-
-static void encode_dcs(PutBitContext *pb, int16_t *blocks,
- int blocks_per_slice, int scale)
-{
- int i;
- int codebook = 3, code, dc, prev_dc, delta, sign, new_sign;
-
- prev_dc = (blocks[0] - 0x4000) / scale;
- encode_vlc_codeword(pb, FIRST_DC_CB, MAKE_CODE(prev_dc));
- sign = 0;
- codebook = 3;
- blocks += 64;
-
- for (i = 1; i < blocks_per_slice; i++, blocks += 64) {
- dc = (blocks[0] - 0x4000) / scale;
- delta = dc - prev_dc;
- new_sign = GET_SIGN(delta);
- delta = (delta ^ sign) - sign;
- code = MAKE_CODE(delta);
- encode_vlc_codeword(pb, ff_prores_dc_codebook[codebook], code);
- codebook = (code + (code & 1)) >> 1;
- codebook = FFMIN(codebook, 3);
- sign = new_sign;
- prev_dc = dc;
- }
-}
-
-static void encode_acs(PutBitContext *pb, int16_t *blocks,
- int blocks_per_slice,
- int plane_size_factor,
- const uint8_t *scan, const int16_t *qmat)
-{
- int idx, i;
- int run, level, run_cb, lev_cb;
- int max_coeffs, abs_level;
-
- max_coeffs = blocks_per_slice << 6;
- run_cb = ff_prores_run_to_cb_index[4];
- lev_cb = ff_prores_lev_to_cb_index[2];
- run = 0;
-
- for (i = 1; i < 64; i++) {
- for (idx = scan[i]; idx < max_coeffs; idx += 64) {
- level = blocks[idx] / qmat[scan[i]];
- if (level) {
- abs_level = FFABS(level);
- encode_vlc_codeword(pb, ff_prores_ac_codebook[run_cb], run);
- encode_vlc_codeword(pb, ff_prores_ac_codebook[lev_cb],
- abs_level - 1);
- put_sbits(pb, 1, GET_SIGN(level));
-
- run_cb = ff_prores_run_to_cb_index[FFMIN(run, 15)];
- lev_cb = ff_prores_lev_to_cb_index[FFMIN(abs_level, 9)];
- run = 0;
- } else {
- run++;
- }
- }
- }
-}
-
-static int encode_slice_plane(ProresContext *ctx, PutBitContext *pb,
- const uint16_t *src, int linesize,
- int mbs_per_slice, int16_t *blocks,
- int blocks_per_mb, int plane_size_factor,
- const int16_t *qmat)
-{
- int blocks_per_slice, saved_pos;
-
- saved_pos = put_bits_count(pb);
- blocks_per_slice = mbs_per_slice * blocks_per_mb;
-
- encode_dcs(pb, blocks, blocks_per_slice, qmat[0]);
- encode_acs(pb, blocks, blocks_per_slice, plane_size_factor,
- ctx->scantable, qmat);
- flush_put_bits(pb);
-
- return (put_bits_count(pb) - saved_pos) >> 3;
-}
-
-static void put_alpha_diff(PutBitContext *pb, int cur, int prev, int abits)
-{
- const int mask = (1 << abits) - 1;
- const int dbits = (abits == 8) ? 4 : 7;
- const int dsize = 1 << dbits - 1;
- int diff = cur - prev;
-
- diff &= mask;
- if (diff >= (1 << abits) - dsize)
- diff -= 1 << abits;
- if (diff < -dsize || diff > dsize || !diff) {
- put_bits(pb, 1, 1);
- put_bits(pb, abits, diff);
- } else {
- put_bits(pb, 1, 0);
- put_bits(pb, dbits - 1, FFABS(diff) - 1);
- put_bits(pb, 1, diff < 0);
- }
-}
-
-static void put_alpha_run(PutBitContext *pb, int run)
-{
- if (run) {
- put_bits(pb, 1, 0);
- if (run < 0x10)
- put_bits(pb, 4, run);
- else
- put_bits(pb, 15, run);
- } else {
- put_bits(pb, 1, 1);
- }
-}
-
-// todo alpha quantisation for high quants
-static int encode_alpha_plane(ProresContext *ctx, PutBitContext *pb,
- int mbs_per_slice, uint16_t *blocks,
- int quant)
-{
- const int abits = ctx->alpha_bits;
- const int mask = (1 << abits) - 1;
- const int num_coeffs = mbs_per_slice * 256;
- int saved_pos = put_bits_count(pb);
- int prev = mask, cur;
- int idx = 0;
- int run = 0;
-
- cur = blocks[idx++];
- put_alpha_diff(pb, cur, prev, abits);
- prev = cur;
- do {
- cur = blocks[idx++];
- if (cur != prev) {
- put_alpha_run (pb, run);
- put_alpha_diff(pb, cur, prev, abits);
- prev = cur;
- run = 0;
- } else {
- run++;
- }
- } while (idx < num_coeffs);
- if (run)
- put_alpha_run(pb, run);
- flush_put_bits(pb);
- return (put_bits_count(pb) - saved_pos) >> 3;
-}
-
-static int encode_slice(AVCodecContext *avctx, const AVFrame *pic,
- PutBitContext *pb,
- int sizes[4], int x, int y, int quant,
- int mbs_per_slice)
-{
- ProresContext *ctx = avctx->priv_data;
- int i, xp, yp;
- int total_size = 0;
- const uint16_t *src;
- int slice_width_factor = av_log2(mbs_per_slice);
- int num_cblocks, pwidth, linesize, line_add;
- int plane_factor, is_chroma;
- uint16_t *qmat;
-
- if (ctx->pictures_per_frame == 1)
- line_add = 0;
- else
- line_add = ctx->cur_picture_idx ^ !pic->top_field_first;
-
- if (ctx->force_quant) {
- qmat = ctx->quants[0];
- } else if (quant < MAX_STORED_Q) {
- qmat = ctx->quants[quant];
- } else {
- qmat = ctx->custom_q;
- for (i = 0; i < 64; i++)
- qmat[i] = ctx->quant_mat[i] * quant;
- }
-
- for (i = 0; i < ctx->num_planes; i++) {
- is_chroma = (i == 1 || i == 2);
- plane_factor = slice_width_factor + 2;
- if (is_chroma)
- plane_factor += ctx->chroma_factor - 3;
- if (!is_chroma || ctx->chroma_factor == CFACTOR_Y444) {
- xp = x << 4;
- yp = y << 4;
- num_cblocks = 4;
- pwidth = avctx->width;
- } else {
- xp = x << 3;
- yp = y << 4;
- num_cblocks = 2;
- pwidth = avctx->width >> 1;
- }
-
- linesize = pic->linesize[i] * ctx->pictures_per_frame;
- src = (const uint16_t*)(pic->data[i] + yp * linesize +
- line_add * pic->linesize[i]) + xp;
-
- if (i < 3) {
- get_slice_data(ctx, src, linesize, xp, yp,
- pwidth, avctx->height / ctx->pictures_per_frame,
- ctx->blocks[0], ctx->emu_buf,
- mbs_per_slice, num_cblocks, is_chroma);
- sizes[i] = encode_slice_plane(ctx, pb, src, linesize,
- mbs_per_slice, ctx->blocks[0],
- num_cblocks, plane_factor,
- qmat);
- } else {
- get_alpha_data(ctx, src, linesize, xp, yp,
- pwidth, avctx->height / ctx->pictures_per_frame,
- ctx->blocks[0], mbs_per_slice, ctx->alpha_bits);
- sizes[i] = encode_alpha_plane(ctx, pb, mbs_per_slice,
- ctx->blocks[0], quant);
- }
- total_size += sizes[i];
- if (put_bits_left(pb) < 0) {
- av_log(avctx, AV_LOG_ERROR,
- "Underestimated required buffer size.\n");
- return AVERROR_BUG;
- }
- }
- return total_size;
-}
-
-static inline int estimate_vlc(unsigned codebook, int val)
-{
- unsigned int rice_order, exp_order, switch_bits, switch_val;
- int exponent;
-
- /* number of prefix bits to switch between Rice and expGolomb */
- switch_bits = (codebook & 3) + 1;
- rice_order = codebook >> 5; /* rice code order */
- exp_order = (codebook >> 2) & 7; /* exp golomb code order */
-
- switch_val = switch_bits << rice_order;
-
- if (val >= switch_val) {
- val -= switch_val - (1 << exp_order);
- exponent = av_log2(val);
-
- return exponent * 2 - exp_order + switch_bits + 1;
- } else {
- return (val >> rice_order) + rice_order + 1;
- }
-}
-
-static int estimate_dcs(int *error, int16_t *blocks, int blocks_per_slice,
- int scale)
-{
- int i;
- int codebook = 3, code, dc, prev_dc, delta, sign, new_sign;
- int bits;
-
- prev_dc = (blocks[0] - 0x4000) / scale;
- bits = estimate_vlc(FIRST_DC_CB, MAKE_CODE(prev_dc));
- sign = 0;
- codebook = 3;
- blocks += 64;
- *error += FFABS(blocks[0] - 0x4000) % scale;
-
- for (i = 1; i < blocks_per_slice; i++, blocks += 64) {
- dc = (blocks[0] - 0x4000) / scale;
- *error += FFABS(blocks[0] - 0x4000) % scale;
- delta = dc - prev_dc;
- new_sign = GET_SIGN(delta);
- delta = (delta ^ sign) - sign;
- code = MAKE_CODE(delta);
- bits += estimate_vlc(ff_prores_dc_codebook[codebook], code);
- codebook = (code + (code & 1)) >> 1;
- codebook = FFMIN(codebook, 3);
- sign = new_sign;
- prev_dc = dc;
- }
-
- return bits;
-}
-
-static int estimate_acs(int *error, int16_t *blocks, int blocks_per_slice,
- int plane_size_factor,
- const uint8_t *scan, const int16_t *qmat)
-{
- int idx, i;
- int run, level, run_cb, lev_cb;
- int max_coeffs, abs_level;
- int bits = 0;
-
- max_coeffs = blocks_per_slice << 6;
- run_cb = ff_prores_run_to_cb_index[4];
- lev_cb = ff_prores_lev_to_cb_index[2];
- run = 0;
-
- for (i = 1; i < 64; i++) {
- for (idx = scan[i]; idx < max_coeffs; idx += 64) {
- level = blocks[idx] / qmat[scan[i]];
- *error += FFABS(blocks[idx]) % qmat[scan[i]];
- if (level) {
- abs_level = FFABS(level);
- bits += estimate_vlc(ff_prores_ac_codebook[run_cb], run);
- bits += estimate_vlc(ff_prores_ac_codebook[lev_cb],
- abs_level - 1) + 1;
-
- run_cb = ff_prores_run_to_cb_index[FFMIN(run, 15)];
- lev_cb = ff_prores_lev_to_cb_index[FFMIN(abs_level, 9)];
- run = 0;
- } else {
- run++;
- }
- }
- }
-
- return bits;
-}
-
-static int estimate_slice_plane(ProresContext *ctx, int *error, int plane,
- const uint16_t *src, int linesize,
- int mbs_per_slice,
- int blocks_per_mb, int plane_size_factor,
- const int16_t *qmat, ProresThreadData *td)
-{
- int blocks_per_slice;
- int bits;
-
- blocks_per_slice = mbs_per_slice * blocks_per_mb;
-
- bits = estimate_dcs(error, td->blocks[plane], blocks_per_slice, qmat[0]);
- bits += estimate_acs(error, td->blocks[plane], blocks_per_slice,
- plane_size_factor, ctx->scantable, qmat);
-
- return FFALIGN(bits, 8);
-}
-
-static int est_alpha_diff(int cur, int prev, int abits)
-{
- const int mask = (1 << abits) - 1;
- const int dbits = (abits == 8) ? 4 : 7;
- const int dsize = 1 << dbits - 1;
- int diff = cur - prev;
-
- diff &= mask;
- if (diff >= (1 << abits) - dsize)
- diff -= 1 << abits;
- if (diff < -dsize || diff > dsize || !diff)
- return abits + 1;
- else
- return dbits + 1;
-}
-
-static int estimate_alpha_plane(ProresContext *ctx, int *error,
- const uint16_t *src, int linesize,
- int mbs_per_slice, int quant,
- int16_t *blocks)
-{
- const int abits = ctx->alpha_bits;
- const int mask = (1 << abits) - 1;
- const int num_coeffs = mbs_per_slice * 256;
- int prev = mask, cur;
- int idx = 0;
- int run = 0;
- int bits;
-
- *error = 0;
- cur = blocks[idx++];
- bits = est_alpha_diff(cur, prev, abits);
- prev = cur;
- do {
- cur = blocks[idx++];
- if (cur != prev) {
- if (!run)
- bits++;
- else if (run < 0x10)
- bits += 4;
- else
- bits += 15;
- bits += est_alpha_diff(cur, prev, abits);
- prev = cur;
- run = 0;
- } else {
- run++;
- }
- } while (idx < num_coeffs);
-
- if (run) {
- if (run < 0x10)
- bits += 4;
- else
- bits += 15;
- }
-
- return bits;
-}
-
-static int find_slice_quant(AVCodecContext *avctx,
- int trellis_node, int x, int y, int mbs_per_slice,
- ProresThreadData *td)
-{
- ProresContext *ctx = avctx->priv_data;
- int i, q, pq, xp, yp;
- const uint16_t *src;
- int slice_width_factor = av_log2(mbs_per_slice);
- int num_cblocks[MAX_PLANES], pwidth;
- int plane_factor[MAX_PLANES], is_chroma[MAX_PLANES];
- const int min_quant = ctx->profile_info->min_quant;
- const int max_quant = ctx->profile_info->max_quant;
- int error, bits, bits_limit;
- int mbs, prev, cur, new_score;
- int slice_bits[TRELLIS_WIDTH], slice_score[TRELLIS_WIDTH];
- int overquant;
- uint16_t *qmat;
- int linesize[4], line_add;
-
- if (ctx->pictures_per_frame == 1)
- line_add = 0;
- else
- line_add = ctx->cur_picture_idx ^ !ctx->pic->top_field_first;
- mbs = x + mbs_per_slice;
-
- for (i = 0; i < ctx->num_planes; i++) {
- is_chroma[i] = (i == 1 || i == 2);
- plane_factor[i] = slice_width_factor + 2;
- if (is_chroma[i])
- plane_factor[i] += ctx->chroma_factor - 3;
- if (!is_chroma[i] || ctx->chroma_factor == CFACTOR_Y444) {
- xp = x << 4;
- yp = y << 4;
- num_cblocks[i] = 4;
- pwidth = avctx->width;
- } else {
- xp = x << 3;
- yp = y << 4;
- num_cblocks[i] = 2;
- pwidth = avctx->width >> 1;
- }
-
- linesize[i] = ctx->pic->linesize[i] * ctx->pictures_per_frame;
- src = (const uint16_t *)(ctx->pic->data[i] + yp * linesize[i] +
- line_add * ctx->pic->linesize[i]) + xp;
-
- if (i < 3) {
- get_slice_data(ctx, src, linesize[i], xp, yp,
- pwidth, avctx->height / ctx->pictures_per_frame,
- td->blocks[i], td->emu_buf,
- mbs_per_slice, num_cblocks[i], is_chroma[i]);
- } else {
- get_alpha_data(ctx, src, linesize[i], xp, yp,
- pwidth, avctx->height / ctx->pictures_per_frame,
- td->blocks[i], mbs_per_slice, ctx->alpha_bits);
- }
- }
-
- for (q = min_quant; q < max_quant + 2; q++) {
- td->nodes[trellis_node + q].prev_node = -1;
- td->nodes[trellis_node + q].quant = q;
- }
-
- // todo: maybe perform coarser quantising to fit into frame size when needed
- for (q = min_quant; q <= max_quant; q++) {
- bits = 0;
- error = 0;
- for (i = 0; i < ctx->num_planes - !!ctx->alpha_bits; i++) {
- bits += estimate_slice_plane(ctx, &error, i,
- src, linesize[i],
- mbs_per_slice,
- num_cblocks[i], plane_factor[i],
- ctx->quants[q], td);
- }
- if (ctx->alpha_bits)
- bits += estimate_alpha_plane(ctx, &error, src, linesize[3],
- mbs_per_slice, q, td->blocks[3]);
- if (bits > 65000 * 8)
- error = SCORE_LIMIT;
-
- slice_bits[q] = bits;
- slice_score[q] = error;
- }
- if (slice_bits[max_quant] <= ctx->bits_per_mb * mbs_per_slice) {
- slice_bits[max_quant + 1] = slice_bits[max_quant];
- slice_score[max_quant + 1] = slice_score[max_quant] + 1;
- overquant = max_quant;
- } else {
- for (q = max_quant + 1; q < 128; q++) {
- bits = 0;
- error = 0;
- if (q < MAX_STORED_Q) {
- qmat = ctx->quants[q];
- } else {
- qmat = td->custom_q;
- for (i = 0; i < 64; i++)
- qmat[i] = ctx->quant_mat[i] * q;
- }
- for (i = 0; i < ctx->num_planes - !!ctx->alpha_bits; i++) {
- bits += estimate_slice_plane(ctx, &error, i,
- src, linesize[i],
- mbs_per_slice,
- num_cblocks[i], plane_factor[i],
- qmat, td);
- }
- if (ctx->alpha_bits)
- bits += estimate_alpha_plane(ctx, &error, src, linesize[3],
- mbs_per_slice, q, td->blocks[3]);
- if (bits <= ctx->bits_per_mb * mbs_per_slice)
- break;
- }
-
- slice_bits[max_quant + 1] = bits;
- slice_score[max_quant + 1] = error;
- overquant = q;
- }
- td->nodes[trellis_node + max_quant + 1].quant = overquant;
-
- bits_limit = mbs * ctx->bits_per_mb;
- for (pq = min_quant; pq < max_quant + 2; pq++) {
- prev = trellis_node - TRELLIS_WIDTH + pq;
-
- for (q = min_quant; q < max_quant + 2; q++) {
- cur = trellis_node + q;
-
- bits = td->nodes[prev].bits + slice_bits[q];
- error = slice_score[q];
- if (bits > bits_limit)
- error = SCORE_LIMIT;
-
- if (td->nodes[prev].score < SCORE_LIMIT && error < SCORE_LIMIT)
- new_score = td->nodes[prev].score + error;
- else
- new_score = SCORE_LIMIT;
- if (td->nodes[cur].prev_node == -1 ||
- td->nodes[cur].score >= new_score) {
-
- td->nodes[cur].bits = bits;
- td->nodes[cur].score = new_score;
- td->nodes[cur].prev_node = prev;
- }
- }
- }
-
- error = td->nodes[trellis_node + min_quant].score;
- pq = trellis_node + min_quant;
- for (q = min_quant + 1; q < max_quant + 2; q++) {
- if (td->nodes[trellis_node + q].score <= error) {
- error = td->nodes[trellis_node + q].score;
- pq = trellis_node + q;
- }
- }
-
- return pq;
-}
-
-static int find_quant_thread(AVCodecContext *avctx, void *arg,
- int jobnr, int threadnr)
-{
- ProresContext *ctx = avctx->priv_data;
- ProresThreadData *td = ctx->tdata + threadnr;
- int mbs_per_slice = ctx->mbs_per_slice;
- int x, y = jobnr, mb, q = 0;
-
- for (x = mb = 0; x < ctx->mb_width; x += mbs_per_slice, mb++) {
- while (ctx->mb_width - x < mbs_per_slice)
- mbs_per_slice >>= 1;
- q = find_slice_quant(avctx,
- (mb + 1) * TRELLIS_WIDTH, x, y,
- mbs_per_slice, td);
- }
-
- for (x = ctx->slices_width - 1; x >= 0; x--) {
- ctx->slice_q[x + y * ctx->slices_width] = td->nodes[q].quant;
- q = td->nodes[q].prev_node;
- }
-
- return 0;
-}
-
-static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *pic, int *got_packet)
-{
- ProresContext *ctx = avctx->priv_data;
- uint8_t *orig_buf, *buf, *slice_hdr, *slice_sizes, *tmp;
- uint8_t *picture_size_pos;
- PutBitContext pb;
- int x, y, i, mb, q = 0;
- int sizes[4] = { 0 };
- int slice_hdr_size = 2 + 2 * (ctx->num_planes - 1);
- int frame_size, picture_size, slice_size;
- int pkt_size, ret, max_slice_size = 0;
- uint8_t frame_flags;
-
- ctx->pic = pic;
-#if FF_API_CODED_FRAME
-FF_DISABLE_DEPRECATION_WARNINGS
- avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
- avctx->coded_frame->key_frame = 1;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
- pkt_size = ctx->frame_size_upper_bound;
-
- if ((ret = ff_alloc_packet(pkt, pkt_size + AV_INPUT_BUFFER_MIN_SIZE)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
- return ret;
- }
-
- orig_buf = pkt->data;
-
- // frame atom
- orig_buf += 4; // frame size
- bytestream_put_be32 (&orig_buf, FRAME_ID); // frame container ID
- buf = orig_buf;
-
- // frame header
- tmp = buf;
- buf += 2; // frame header size will be stored here
- bytestream_put_be16 (&buf, 0); // version 1
- bytestream_put_buffer(&buf, ctx->vendor, 4);
- bytestream_put_be16 (&buf, avctx->width);
- bytestream_put_be16 (&buf, avctx->height);
-
- frame_flags = ctx->chroma_factor << 6;
- if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT)
- frame_flags |= pic->top_field_first ? 0x04 : 0x08;
- bytestream_put_byte (&buf, frame_flags);
-
- bytestream_put_byte (&buf, 0); // reserved
- bytestream_put_byte (&buf, avctx->color_primaries);
- bytestream_put_byte (&buf, avctx->color_trc);
- bytestream_put_byte (&buf, avctx->colorspace);
- bytestream_put_byte (&buf, 0x40 | (ctx->alpha_bits >> 3));
- bytestream_put_byte (&buf, 0); // reserved
- if (ctx->quant_sel != QUANT_MAT_DEFAULT) {
- bytestream_put_byte (&buf, 0x03); // matrix flags - both matrices are present
- // luma quantisation matrix
- for (i = 0; i < 64; i++)
- bytestream_put_byte(&buf, ctx->quant_mat[i]);
- // chroma quantisation matrix
- for (i = 0; i < 64; i++)
- bytestream_put_byte(&buf, ctx->quant_mat[i]);
- } else {
- bytestream_put_byte (&buf, 0x00); // matrix flags - default matrices are used
- }
- bytestream_put_be16 (&tmp, buf - orig_buf); // write back frame header size
-
- for (ctx->cur_picture_idx = 0;
- ctx->cur_picture_idx < ctx->pictures_per_frame;
- ctx->cur_picture_idx++) {
- // picture header
- picture_size_pos = buf + 1;
- bytestream_put_byte (&buf, 0x40); // picture header size (in bits)
- buf += 4; // picture data size will be stored here
- bytestream_put_be16 (&buf, ctx->slices_per_picture);
- bytestream_put_byte (&buf, av_log2(ctx->mbs_per_slice) << 4); // slice width and height in MBs
-
- // seek table - will be filled during slice encoding
- slice_sizes = buf;
- buf += ctx->slices_per_picture * 2;
-
- // slices
- if (!ctx->force_quant) {
- ret = avctx->execute2(avctx, find_quant_thread, NULL, NULL,
- ctx->mb_height);
- if (ret)
- return ret;
- }
-
- for (y = 0; y < ctx->mb_height; y++) {
- int mbs_per_slice = ctx->mbs_per_slice;
- for (x = mb = 0; x < ctx->mb_width; x += mbs_per_slice, mb++) {
- q = ctx->force_quant ? ctx->force_quant
- : ctx->slice_q[mb + y * ctx->slices_width];
-
- while (ctx->mb_width - x < mbs_per_slice)
- mbs_per_slice >>= 1;
-
- bytestream_put_byte(&buf, slice_hdr_size << 3);
- slice_hdr = buf;
- buf += slice_hdr_size - 1;
- if (pkt_size <= buf - orig_buf + 2 * max_slice_size) {
- uint8_t *start = pkt->data;
- // Recompute new size according to max_slice_size
- // and deduce delta
- int delta = 200 + ctx->pictures_per_frame *
- ctx->slices_per_picture * max_slice_size -
- pkt_size;
-
- delta = FFMAX(delta, 2 * max_slice_size);
- ctx->frame_size_upper_bound += delta;
-
- if (!ctx->warn) {
- avpriv_request_sample(avctx,
- "Packet too small: is %i,"
- " needs %i (slice: %i). "
- "Correct allocation",
- pkt_size, delta, max_slice_size);
- ctx->warn = 1;
- }
-
- ret = av_grow_packet(pkt, delta);
- if (ret < 0)
- return ret;
-
- pkt_size += delta;
- // restore pointers
- orig_buf = pkt->data + (orig_buf - start);
- buf = pkt->data + (buf - start);
- picture_size_pos = pkt->data + (picture_size_pos - start);
- slice_sizes = pkt->data + (slice_sizes - start);
- slice_hdr = pkt->data + (slice_hdr - start);
- tmp = pkt->data + (tmp - start);
- }
- init_put_bits(&pb, buf, (pkt_size - (buf - orig_buf)) * 8);
- ret = encode_slice(avctx, pic, &pb, sizes, x, y, q,
- mbs_per_slice);
- if (ret < 0)
- return ret;
-
- bytestream_put_byte(&slice_hdr, q);
- slice_size = slice_hdr_size + sizes[ctx->num_planes - 1];
- for (i = 0; i < ctx->num_planes - 1; i++) {
- bytestream_put_be16(&slice_hdr, sizes[i]);
- slice_size += sizes[i];
- }
- bytestream_put_be16(&slice_sizes, slice_size);
- buf += slice_size - slice_hdr_size;
- if (max_slice_size < slice_size)
- max_slice_size = slice_size;
- }
- }
-
- if (ctx->pictures_per_frame == 1)
- picture_size = buf - picture_size_pos - 6;
- else
- picture_size = buf - picture_size_pos + 1;
- bytestream_put_be32(&picture_size_pos, picture_size);
- }
-
- orig_buf -= 8;
- frame_size = buf - orig_buf;
- bytestream_put_be32(&orig_buf, frame_size);
-
- pkt->size = frame_size;
- pkt->flags |= AV_PKT_FLAG_KEY;
- *got_packet = 1;
-
- return 0;
-}
-
-static av_cold int encode_close(AVCodecContext *avctx)
-{
- ProresContext *ctx = avctx->priv_data;
- int i;
-
- if (ctx->tdata) {
- for (i = 0; i < avctx->thread_count; i++)
- av_free(ctx->tdata[i].nodes);
- }
- av_freep(&ctx->tdata);
- av_freep(&ctx->slice_q);
-
- return 0;
-}
-
-static void prores_fdct(FDCTDSPContext *fdsp, const uint16_t *src,
- int linesize, int16_t *block)
-{
- int x, y;
- const uint16_t *tsrc = src;
-
- for (y = 0; y < 8; y++) {
- for (x = 0; x < 8; x++)
- block[y * 8 + x] = tsrc[x];
- tsrc += linesize >> 1;
- }
- fdsp->fdct(block);
-}
-
-static av_cold int encode_init(AVCodecContext *avctx)
-{
- ProresContext *ctx = avctx->priv_data;
- int mps;
- int i, j;
- int min_quant, max_quant;
- int interlaced = !!(avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT);
-
- avctx->bits_per_raw_sample = 10;
-
- ctx->fdct = prores_fdct;
- ctx->scantable = interlaced ? ff_prores_interlaced_scan
- : ff_prores_progressive_scan;
- ff_fdctdsp_init(&ctx->fdsp, avctx);
-
- mps = ctx->mbs_per_slice;
- if (mps & (mps - 1)) {
- av_log(avctx, AV_LOG_ERROR,
- "there should be an integer power of two MBs per slice\n");
- return AVERROR(EINVAL);
- }
- if (av_pix_fmt_desc_get(avctx->pix_fmt)->flags & AV_PIX_FMT_FLAG_ALPHA) {
- if (ctx->alpha_bits & 7) {
- av_log(avctx, AV_LOG_ERROR, "alpha bits should be 0, 8 or 16\n");
- return AVERROR(EINVAL);
- }
- avctx->bits_per_coded_sample = 32;
- } else {
- ctx->alpha_bits = 0;
- }
-
- ctx->chroma_factor = avctx->pix_fmt == AV_PIX_FMT_YUV422P10
- ? CFACTOR_Y422
- : CFACTOR_Y444;
- ctx->profile_info = prores_profile_info + ctx->profile;
- ctx->num_planes = 3 + !!ctx->alpha_bits;
-
- ctx->mb_width = FFALIGN(avctx->width, 16) >> 4;
-
- if (interlaced)
- ctx->mb_height = FFALIGN(avctx->height, 32) >> 5;
- else
- ctx->mb_height = FFALIGN(avctx->height, 16) >> 4;
-
- ctx->slices_width = ctx->mb_width / mps;
- ctx->slices_width += av_popcount(ctx->mb_width - ctx->slices_width * mps);
- ctx->slices_per_picture = ctx->mb_height * ctx->slices_width;
- ctx->pictures_per_frame = 1 + interlaced;
-
- if (ctx->quant_sel == -1)
- ctx->quant_mat = prores_quant_matrices[ctx->profile_info->quant];
- else
- ctx->quant_mat = prores_quant_matrices[ctx->quant_sel];
-
- if (strlen(ctx->vendor) != 4) {
- av_log(avctx, AV_LOG_ERROR, "vendor ID should be 4 bytes\n");
- return AVERROR_INVALIDDATA;
- }
-
- ctx->force_quant = avctx->global_quality / FF_QP2LAMBDA;
- if (!ctx->force_quant) {
- if (!ctx->bits_per_mb) {
- for (i = 0; i < NUM_MB_LIMITS - 1; i++)
- if (prores_mb_limits[i] >= ctx->mb_width * ctx->mb_height *
- ctx->pictures_per_frame)
- break;
- ctx->bits_per_mb = ctx->profile_info->br_tab[i];
- } else if (ctx->bits_per_mb < 128) {
- av_log(avctx, AV_LOG_ERROR, "too few bits per MB, please set at least 128\n");
- return AVERROR_INVALIDDATA;
- }
-
- min_quant = ctx->profile_info->min_quant;
- max_quant = ctx->profile_info->max_quant;
- for (i = min_quant; i < MAX_STORED_Q; i++) {
- for (j = 0; j < 64; j++)
- ctx->quants[i][j] = ctx->quant_mat[j] * i;
- }
-
- ctx->slice_q = av_malloc(ctx->slices_per_picture * sizeof(*ctx->slice_q));
- if (!ctx->slice_q) {
- encode_close(avctx);
- return AVERROR(ENOMEM);
- }
-
- ctx->tdata = av_mallocz(avctx->thread_count * sizeof(*ctx->tdata));
- if (!ctx->tdata) {
- encode_close(avctx);
- return AVERROR(ENOMEM);
- }
-
- for (j = 0; j < avctx->thread_count; j++) {
- ctx->tdata[j].nodes = av_malloc((ctx->slices_width + 1)
- * TRELLIS_WIDTH
- * sizeof(*ctx->tdata->nodes));
- if (!ctx->tdata[j].nodes) {
- encode_close(avctx);
- return AVERROR(ENOMEM);
- }
- for (i = min_quant; i < max_quant + 2; i++) {
- ctx->tdata[j].nodes[i].prev_node = -1;
- ctx->tdata[j].nodes[i].bits = 0;
- ctx->tdata[j].nodes[i].score = 0;
- }
- }
- } else {
- int ls = 0;
-
- if (ctx->force_quant > 64) {
- av_log(avctx, AV_LOG_ERROR, "too large quantiser, maximum is 64\n");
- return AVERROR_INVALIDDATA;
- }
-
- for (j = 0; j < 64; j++) {
- ctx->quants[0][j] = ctx->quant_mat[j] * ctx->force_quant;
- ls += av_log2((1 << 11) / ctx->quants[0][j]) * 2 + 1;
- }
-
- ctx->bits_per_mb = ls * 8;
- if (ctx->chroma_factor == CFACTOR_Y444)
- ctx->bits_per_mb += ls * 4;
- }
-
- ctx->frame_size_upper_bound = ctx->pictures_per_frame *
- ctx->slices_per_picture *
- (2 + 2 * ctx->num_planes +
- (mps * ctx->bits_per_mb) / 8)
- + 200;
-
- if (ctx->alpha_bits) {
- // The alpha plane is run-coded and might exceed the bit budget.
- ctx->frame_size_upper_bound += ctx->pictures_per_frame *
- ctx->slices_per_picture *
- /* num pixels per slice */ (ctx->mbs_per_slice * 256 *
- /* bits per pixel */ (1 + ctx->alpha_bits + 1) + 7 >> 3);
- }
-
- avctx->codec_tag = ctx->profile_info->tag;
-
- av_log(avctx, AV_LOG_DEBUG,
- "profile %d, %d slices, interlacing: %s, %d bits per MB\n",
- ctx->profile, ctx->slices_per_picture * ctx->pictures_per_frame,
- interlaced ? "yes" : "no", ctx->bits_per_mb);
- av_log(avctx, AV_LOG_DEBUG, "frame size upper bound: %d\n",
- ctx->frame_size_upper_bound);
-
- return 0;
-}
-
-#define OFFSET(x) offsetof(ProresContext, x)
-#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-
-static const AVOption options[] = {
- { "mbs_per_slice", "macroblocks per slice", OFFSET(mbs_per_slice),
- AV_OPT_TYPE_INT, { .i64 = 8 }, 1, MAX_MBS_PER_SLICE, VE },
- { "profile", NULL, OFFSET(profile), AV_OPT_TYPE_INT,
- { .i64 = PRORES_PROFILE_STANDARD },
- PRORES_PROFILE_PROXY, PRORES_PROFILE_4444, VE, "profile" },
- { "proxy", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_PROXY },
- 0, 0, VE, "profile" },
- { "lt", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_LT },
- 0, 0, VE, "profile" },
- { "standard", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_STANDARD },
- 0, 0, VE, "profile" },
- { "hq", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_HQ },
- 0, 0, VE, "profile" },
- { "4444", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PRORES_PROFILE_4444 },
- 0, 0, VE, "profile" },
- { "vendor", "vendor ID", OFFSET(vendor),
- AV_OPT_TYPE_STRING, { .str = "Lavc" }, CHAR_MIN, CHAR_MAX, VE },
- { "bits_per_mb", "desired bits per macroblock", OFFSET(bits_per_mb),
- AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 8192, VE },
- { "quant_mat", "quantiser matrix", OFFSET(quant_sel), AV_OPT_TYPE_INT,
- { .i64 = -1 }, -1, QUANT_MAT_DEFAULT, VE, "quant_mat" },
- { "auto", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = -1 },
- 0, 0, VE, "quant_mat" },
- { "proxy", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = QUANT_MAT_PROXY },
- 0, 0, VE, "quant_mat" },
- { "lt", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = QUANT_MAT_LT },
- 0, 0, VE, "quant_mat" },
- { "standard", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = QUANT_MAT_STANDARD },
- 0, 0, VE, "quant_mat" },
- { "hq", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = QUANT_MAT_HQ },
- 0, 0, VE, "quant_mat" },
- { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = QUANT_MAT_DEFAULT },
- 0, 0, VE, "quant_mat" },
- { "alpha_bits", "bits for alpha plane", OFFSET(alpha_bits), AV_OPT_TYPE_INT,
- { .i64 = 16 }, 0, 16, VE },
- { NULL }
-};
-
-static const AVClass proresenc_class = {
- .class_name = "ProRes encoder",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVCodec ff_prores_encoder = {
- .name = "prores",
- .long_name = NULL_IF_CONFIG_SMALL("Apple ProRes (iCodec Pro)"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_PRORES,
- .priv_data_size = sizeof(ProresContext),
- .init = encode_init,
- .close = encode_close,
- .encode2 = encode_frame,
- .capabilities = AV_CODEC_CAP_SLICE_THREADS,
- .pix_fmts = (const enum AVPixelFormat[]) {
- AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
- AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_NONE
- },
- .priv_class = &proresenc_class,
-};
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