forked from KolibriOS/kolibrios
627 lines
20 KiB
C
627 lines
20 KiB
C
/*
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* Apple ProRes encoder
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*
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* Copyright (c) 2011 Anatoliy Wasserman
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Apple ProRes encoder (Anatoliy Wasserman version)
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* Known FOURCCs: 'apch' (HQ), 'apcn' (SD), 'apcs' (LT), 'acpo' (Proxy)
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*/
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#include "avcodec.h"
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#include "dct.h"
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#include "internal.h"
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#include "put_bits.h"
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#include "bytestream.h"
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#include "dsputil.h"
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#define DEFAULT_SLICE_MB_WIDTH 8
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#define FF_PROFILE_PRORES_PROXY 0
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#define FF_PROFILE_PRORES_LT 1
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#define FF_PROFILE_PRORES_STANDARD 2
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#define FF_PROFILE_PRORES_HQ 3
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static const AVProfile profiles[] = {
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{ FF_PROFILE_PRORES_PROXY, "apco"},
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{ FF_PROFILE_PRORES_LT, "apcs"},
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{ FF_PROFILE_PRORES_STANDARD, "apcn"},
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{ FF_PROFILE_PRORES_HQ, "apch"},
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{ FF_PROFILE_UNKNOWN }
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};
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static const int qp_start_table[4] = { 4, 1, 1, 1 };
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static const int qp_end_table[4] = { 8, 9, 6, 6 };
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static const int bitrate_table[5] = { 1000, 2100, 3500, 5400 };
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static const uint8_t progressive_scan[64] = {
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0, 1, 8, 9, 2, 3, 10, 11,
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16, 17, 24, 25, 18, 19, 26, 27,
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4, 5, 12, 20, 13, 6, 7, 14,
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21, 28, 29, 22, 15, 23, 30, 31,
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32, 33, 40, 48, 41, 34, 35, 42,
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49, 56, 57, 50, 43, 36, 37, 44,
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51, 58, 59, 52, 45, 38, 39, 46,
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53, 60, 61, 54, 47, 55, 62, 63
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};
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static const uint8_t QMAT_LUMA[4][64] = {
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{
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4, 7, 9, 11, 13, 14, 15, 63,
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7, 7, 11, 12, 14, 15, 63, 63,
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9, 11, 13, 14, 15, 63, 63, 63,
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11, 11, 13, 14, 63, 63, 63, 63,
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11, 13, 14, 63, 63, 63, 63, 63,
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13, 14, 63, 63, 63, 63, 63, 63,
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13, 63, 63, 63, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 63, 63, 63
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}, {
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4, 5, 6, 7, 9, 11, 13, 15,
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5, 5, 7, 8, 11, 13, 15, 17,
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6, 7, 9, 11, 13, 15, 15, 17,
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7, 7, 9, 11, 13, 15, 17, 19,
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7, 9, 11, 13, 14, 16, 19, 23,
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9, 11, 13, 14, 16, 19, 23, 29,
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9, 11, 13, 15, 17, 21, 28, 35,
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11, 13, 16, 17, 21, 28, 35, 41
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}, {
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4, 4, 5, 5, 6, 7, 7, 9,
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4, 4, 5, 6, 7, 7, 9, 9,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 6, 7, 7, 8, 9, 10, 12,
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6, 7, 7, 8, 9, 10, 12, 15,
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6, 7, 7, 9, 10, 11, 14, 17,
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7, 7, 9, 10, 11, 14, 17, 21
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}, {
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 5,
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4, 4, 4, 4, 4, 4, 5, 5,
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4, 4, 4, 4, 4, 5, 5, 6,
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4, 4, 4, 4, 5, 5, 6, 7,
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4, 4, 4, 4, 5, 6, 7, 7
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}
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};
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static const uint8_t QMAT_CHROMA[4][64] = {
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{
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4, 7, 9, 11, 13, 14, 63, 63,
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7, 7, 11, 12, 14, 63, 63, 63,
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9, 11, 13, 14, 63, 63, 63, 63,
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11, 11, 13, 14, 63, 63, 63, 63,
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11, 13, 14, 63, 63, 63, 63, 63,
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13, 14, 63, 63, 63, 63, 63, 63,
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13, 63, 63, 63, 63, 63, 63, 63,
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63, 63, 63, 63, 63, 63, 63, 63
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}, {
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4, 5, 6, 7, 9, 11, 13, 15,
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5, 5, 7, 8, 11, 13, 15, 17,
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6, 7, 9, 11, 13, 15, 15, 17,
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7, 7, 9, 11, 13, 15, 17, 19,
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7, 9, 11, 13, 14, 16, 19, 23,
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9, 11, 13, 14, 16, 19, 23, 29,
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9, 11, 13, 15, 17, 21, 28, 35,
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11, 13, 16, 17, 21, 28, 35, 41
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}, {
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4, 4, 5, 5, 6, 7, 7, 9,
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4, 4, 5, 6, 7, 7, 9, 9,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 5, 6, 7, 7, 9, 9, 10,
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5, 6, 7, 7, 8, 9, 10, 12,
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6, 7, 7, 8, 9, 10, 12, 15,
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6, 7, 7, 9, 10, 11, 14, 17,
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7, 7, 9, 10, 11, 14, 17, 21
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}, {
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 5,
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4, 4, 4, 4, 4, 4, 5, 5,
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4, 4, 4, 4, 4, 5, 5, 6,
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4, 4, 4, 4, 5, 5, 6, 7,
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4, 4, 4, 4, 5, 6, 7, 7
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}
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};
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typedef struct {
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uint8_t* fill_y;
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uint8_t* fill_u;
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uint8_t* fill_v;
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int qmat_luma[16][64];
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int qmat_chroma[16][64];
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} ProresContext;
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static void encode_codeword(PutBitContext *pb, int val, int codebook)
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{
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unsigned int rice_order, exp_order, switch_bits, first_exp, exp, zeros,
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mask;
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/* number of bits to switch between rice and exp golomb */
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switch_bits = codebook & 3;
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rice_order = codebook >> 5;
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exp_order = (codebook >> 2) & 7;
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first_exp = ((switch_bits + 1) << rice_order);
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if (val >= first_exp) { /* exp golomb */
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val -= first_exp;
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val += (1 << exp_order);
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exp = av_log2(val);
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zeros = exp - exp_order + switch_bits + 1;
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put_bits(pb, zeros, 0);
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put_bits(pb, exp + 1, val);
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} else if (rice_order) {
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mask = (1 << rice_order) - 1;
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put_bits(pb, (val >> rice_order), 0);
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put_bits(pb, 1, 1);
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put_bits(pb, rice_order, val & mask);
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} else {
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put_bits(pb, val, 0);
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put_bits(pb, 1, 1);
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}
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}
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#define QSCALE(qmat,ind,val) ((val) / (qmat[ind]))
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#define TO_GOLOMB(val) ((val << 1) ^ (val >> 31))
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#define DIFF_SIGN(val, sign) ((val >> 31) ^ sign)
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#define IS_NEGATIVE(val) (((val >> 31) ^ -1) + 1)
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#define TO_GOLOMB2(val,sign) (val==0 ? 0 : (val << 1) + sign)
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static av_always_inline int get_level(int val)
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{
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int sign = (val >> 31);
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return (val ^ sign) - sign;
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}
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#define FIRST_DC_CB 0xB8
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static const uint8_t dc_codebook[7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70};
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static void encode_dc_coeffs(PutBitContext *pb, int16_t *in,
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int blocks_per_slice, int *qmat)
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{
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int prev_dc, code;
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int i, sign, idx;
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int new_dc, delta, diff_sign, new_code;
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prev_dc = QSCALE(qmat, 0, in[0] - 16384);
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code = TO_GOLOMB(prev_dc);
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encode_codeword(pb, code, FIRST_DC_CB);
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code = 5; sign = 0; idx = 64;
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for (i = 1; i < blocks_per_slice; i++, idx += 64) {
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new_dc = QSCALE(qmat, 0, in[idx] - 16384);
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delta = new_dc - prev_dc;
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diff_sign = DIFF_SIGN(delta, sign);
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new_code = TO_GOLOMB2(get_level(delta), diff_sign);
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encode_codeword(pb, new_code, dc_codebook[FFMIN(code, 6)]);
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code = new_code;
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sign = delta >> 31;
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prev_dc = new_dc;
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}
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}
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static const uint8_t run_to_cb[16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29,
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0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C };
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static const uint8_t lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28,
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0x28, 0x28, 0x28, 0x4C };
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static void encode_ac_coeffs(AVCodecContext *avctx, PutBitContext *pb,
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int16_t *in, int blocks_per_slice, int *qmat)
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{
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int prev_run = 4;
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int prev_level = 2;
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int run = 0, level, code, i, j;
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for (i = 1; i < 64; i++) {
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int indp = progressive_scan[i];
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for (j = 0; j < blocks_per_slice; j++) {
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int val = QSCALE(qmat, indp, in[(j << 6) + indp]);
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if (val) {
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encode_codeword(pb, run, run_to_cb[FFMIN(prev_run, 15)]);
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prev_run = run;
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run = 0;
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level = get_level(val);
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code = level - 1;
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encode_codeword(pb, code, lev_to_cb[FFMIN(prev_level, 9)]);
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prev_level = level;
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put_bits(pb, 1, IS_NEGATIVE(val));
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} else {
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++run;
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}
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}
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}
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}
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static void get(uint8_t *pixels, int stride, int16_t* block)
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{
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int16_t *p = (int16_t*)pixels;
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int i, j;
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stride >>= 1;
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for (i = 0; i < 8; i++) {
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for (j = 0; j < 8; j++) {
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block[j] = p[j];
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}
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p += stride;
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block += 8;
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}
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}
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static void fdct_get(uint8_t *pixels, int stride, int16_t* block)
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{
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get(pixels, stride, block);
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ff_jpeg_fdct_islow_10(block);
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}
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static int encode_slice_plane(AVCodecContext *avctx, int mb_count,
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uint8_t *src, int src_stride, uint8_t *buf, unsigned buf_size,
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int *qmat, int chroma)
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{
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DECLARE_ALIGNED(16, int16_t, blocks)[DEFAULT_SLICE_MB_WIDTH << 8], *block;
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int i, blocks_per_slice;
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PutBitContext pb;
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block = blocks;
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for (i = 0; i < mb_count; i++) {
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fdct_get(src, src_stride, block + (0 << 6));
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fdct_get(src + 8 * src_stride, src_stride, block + ((2 - chroma) << 6));
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if (!chroma) {
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fdct_get(src + 16, src_stride, block + (1 << 6));
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fdct_get(src + 16 + 8 * src_stride, src_stride, block + (3 << 6));
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}
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block += (256 >> chroma);
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src += (32 >> chroma);
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}
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blocks_per_slice = mb_count << (2 - chroma);
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init_put_bits(&pb, buf, buf_size << 3);
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encode_dc_coeffs(&pb, blocks, blocks_per_slice, qmat);
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encode_ac_coeffs(avctx, &pb, blocks, blocks_per_slice, qmat);
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flush_put_bits(&pb);
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return put_bits_ptr(&pb) - pb.buf;
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}
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static av_always_inline unsigned encode_slice_data(AVCodecContext *avctx,
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uint8_t *dest_y, uint8_t *dest_u, uint8_t *dest_v, int luma_stride,
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int chroma_stride, unsigned mb_count, uint8_t *buf, unsigned data_size,
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unsigned* y_data_size, unsigned* u_data_size, unsigned* v_data_size,
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int qp)
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{
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ProresContext* ctx = avctx->priv_data;
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*y_data_size = encode_slice_plane(avctx, mb_count, dest_y, luma_stride,
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buf, data_size, ctx->qmat_luma[qp - 1], 0);
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if (!(avctx->flags & CODEC_FLAG_GRAY)) {
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*u_data_size = encode_slice_plane(avctx, mb_count, dest_u,
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chroma_stride, buf + *y_data_size, data_size - *y_data_size,
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ctx->qmat_chroma[qp - 1], 1);
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*v_data_size = encode_slice_plane(avctx, mb_count, dest_v,
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chroma_stride, buf + *y_data_size + *u_data_size,
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data_size - *y_data_size - *u_data_size,
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ctx->qmat_chroma[qp - 1], 1);
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}
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return *y_data_size + *u_data_size + *v_data_size;
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}
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static void subimage_with_fill(uint16_t *src, unsigned x, unsigned y,
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unsigned stride, unsigned width, unsigned height, uint16_t *dst,
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unsigned dst_width, unsigned dst_height)
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{
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int box_width = FFMIN(width - x, dst_width);
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int box_height = FFMIN(height - y, dst_height);
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int i, j, src_stride = stride >> 1;
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uint16_t last_pix, *last_line;
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src += y * src_stride + x;
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for (i = 0; i < box_height; ++i) {
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for (j = 0; j < box_width; ++j) {
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dst[j] = src[j];
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}
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last_pix = dst[j - 1];
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for (; j < dst_width; j++)
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dst[j] = last_pix;
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src += src_stride;
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dst += dst_width;
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}
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last_line = dst - dst_width;
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for (; i < dst_height; i++) {
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for (j = 0; j < dst_width; ++j) {
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dst[j] = last_line[j];
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}
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dst += dst_width;
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}
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}
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static int encode_slice(AVCodecContext *avctx, const AVFrame *pic, int mb_x,
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int mb_y, unsigned mb_count, uint8_t *buf, unsigned data_size,
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int unsafe, int *qp)
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{
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int luma_stride, chroma_stride;
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int hdr_size = 6, slice_size;
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uint8_t *dest_y, *dest_u, *dest_v;
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unsigned y_data_size = 0, u_data_size = 0, v_data_size = 0;
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ProresContext* ctx = avctx->priv_data;
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int tgt_bits = (mb_count * bitrate_table[avctx->profile]) >> 2;
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int low_bytes = (tgt_bits - (tgt_bits >> 3)) >> 3; // 12% bitrate fluctuation
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int high_bytes = (tgt_bits + (tgt_bits >> 3)) >> 3;
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luma_stride = pic->linesize[0];
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chroma_stride = pic->linesize[1];
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dest_y = pic->data[0] + (mb_y << 4) * luma_stride + (mb_x << 5);
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dest_u = pic->data[1] + (mb_y << 4) * chroma_stride + (mb_x << 4);
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dest_v = pic->data[2] + (mb_y << 4) * chroma_stride + (mb_x << 4);
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if (unsafe) {
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subimage_with_fill((uint16_t *) pic->data[0], mb_x << 4, mb_y << 4,
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luma_stride, avctx->width, avctx->height,
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(uint16_t *) ctx->fill_y, mb_count << 4, 16);
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subimage_with_fill((uint16_t *) pic->data[1], mb_x << 3, mb_y << 4,
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chroma_stride, avctx->width >> 1, avctx->height,
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(uint16_t *) ctx->fill_u, mb_count << 3, 16);
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subimage_with_fill((uint16_t *) pic->data[2], mb_x << 3, mb_y << 4,
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chroma_stride, avctx->width >> 1, avctx->height,
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(uint16_t *) ctx->fill_v, mb_count << 3, 16);
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encode_slice_data(avctx, ctx->fill_y, ctx->fill_u, ctx->fill_v,
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mb_count << 5, mb_count << 4, mb_count, buf + hdr_size,
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data_size - hdr_size, &y_data_size, &u_data_size, &v_data_size,
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*qp);
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} else {
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slice_size = encode_slice_data(avctx, dest_y, dest_u, dest_v,
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luma_stride, chroma_stride, mb_count, buf + hdr_size,
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data_size - hdr_size, &y_data_size, &u_data_size, &v_data_size,
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*qp);
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if (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]) {
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do {
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*qp += 1;
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slice_size = encode_slice_data(avctx, dest_y, dest_u, dest_v,
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luma_stride, chroma_stride, mb_count, buf + hdr_size,
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data_size - hdr_size, &y_data_size, &u_data_size,
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&v_data_size, *qp);
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} while (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]);
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} else if (slice_size < low_bytes && *qp
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> qp_start_table[avctx->profile]) {
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do {
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*qp -= 1;
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slice_size = encode_slice_data(avctx, dest_y, dest_u, dest_v,
|
|
luma_stride, chroma_stride, mb_count, buf + hdr_size,
|
|
data_size - hdr_size, &y_data_size, &u_data_size,
|
|
&v_data_size, *qp);
|
|
} while (slice_size < low_bytes && *qp > qp_start_table[avctx->profile]);
|
|
}
|
|
}
|
|
|
|
buf[0] = hdr_size << 3;
|
|
buf[1] = *qp;
|
|
AV_WB16(buf + 2, y_data_size);
|
|
AV_WB16(buf + 4, u_data_size);
|
|
|
|
return hdr_size + y_data_size + u_data_size + v_data_size;
|
|
}
|
|
|
|
static int prores_encode_picture(AVCodecContext *avctx, const AVFrame *pic,
|
|
uint8_t *buf, const int buf_size)
|
|
{
|
|
int mb_width = (avctx->width + 15) >> 4;
|
|
int mb_height = (avctx->height + 15) >> 4;
|
|
int hdr_size, sl_size, i;
|
|
int mb_y, sl_data_size, qp;
|
|
int unsafe_bot, unsafe_right;
|
|
uint8_t *sl_data, *sl_data_sizes;
|
|
int slice_per_line = 0, rem = mb_width;
|
|
|
|
for (i = av_log2(DEFAULT_SLICE_MB_WIDTH); i >= 0; --i) {
|
|
slice_per_line += rem >> i;
|
|
rem &= (1 << i) - 1;
|
|
}
|
|
|
|
qp = qp_start_table[avctx->profile];
|
|
hdr_size = 8; sl_data_size = buf_size - hdr_size;
|
|
sl_data_sizes = buf + hdr_size;
|
|
sl_data = sl_data_sizes + (slice_per_line * mb_height * 2);
|
|
for (mb_y = 0; mb_y < mb_height; mb_y++) {
|
|
int mb_x = 0;
|
|
int slice_mb_count = DEFAULT_SLICE_MB_WIDTH;
|
|
while (mb_x < mb_width) {
|
|
while (mb_width - mb_x < slice_mb_count)
|
|
slice_mb_count >>= 1;
|
|
|
|
unsafe_bot = (avctx->height & 0xf) && (mb_y == mb_height - 1);
|
|
unsafe_right = (avctx->width & 0xf) && (mb_x + slice_mb_count == mb_width);
|
|
|
|
sl_size = encode_slice(avctx, pic, mb_x, mb_y, slice_mb_count,
|
|
sl_data, sl_data_size, unsafe_bot || unsafe_right, &qp);
|
|
|
|
bytestream_put_be16(&sl_data_sizes, sl_size);
|
|
sl_data += sl_size;
|
|
sl_data_size -= sl_size;
|
|
mb_x += slice_mb_count;
|
|
}
|
|
}
|
|
|
|
buf[0] = hdr_size << 3;
|
|
AV_WB32(buf + 1, sl_data - buf);
|
|
AV_WB16(buf + 5, slice_per_line * mb_height);
|
|
buf[7] = av_log2(DEFAULT_SLICE_MB_WIDTH) << 4;
|
|
|
|
return sl_data - buf;
|
|
}
|
|
|
|
static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *pict, int *got_packet)
|
|
{
|
|
int header_size = 148;
|
|
uint8_t *buf;
|
|
int pic_size, ret;
|
|
int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + FF_MIN_BUFFER_SIZE; //FIXME choose tighter limit
|
|
|
|
|
|
if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + FF_MIN_BUFFER_SIZE)) < 0)
|
|
return ret;
|
|
|
|
buf = pkt->data;
|
|
pic_size = prores_encode_picture(avctx, pict, buf + header_size + 8,
|
|
pkt->size - header_size - 8);
|
|
|
|
bytestream_put_be32(&buf, pic_size + 8 + header_size);
|
|
bytestream_put_buffer(&buf, "icpf", 4);
|
|
|
|
bytestream_put_be16(&buf, header_size);
|
|
bytestream_put_be16(&buf, 0);
|
|
bytestream_put_buffer(&buf, "fmpg", 4);
|
|
bytestream_put_be16(&buf, avctx->width);
|
|
bytestream_put_be16(&buf, avctx->height);
|
|
*buf++ = 0x83; // {10}(422){00}{00}(frame){11}
|
|
*buf++ = 0;
|
|
*buf++ = 2;
|
|
*buf++ = 2;
|
|
*buf++ = 6;
|
|
*buf++ = 32;
|
|
*buf++ = 0;
|
|
*buf++ = 3;
|
|
|
|
bytestream_put_buffer(&buf, QMAT_LUMA[avctx->profile], 64);
|
|
bytestream_put_buffer(&buf, QMAT_CHROMA[avctx->profile], 64);
|
|
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
pkt->size = pic_size + 8 + header_size;
|
|
*got_packet = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void scale_mat(const uint8_t* src, int* dst, int scale)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 64; i++)
|
|
dst[i] = src[i] * scale;
|
|
}
|
|
|
|
static av_cold int prores_encode_init(AVCodecContext *avctx)
|
|
{
|
|
int i;
|
|
ProresContext* ctx = avctx->priv_data;
|
|
|
|
if (avctx->pix_fmt != AV_PIX_FMT_YUV422P10) {
|
|
av_log(avctx, AV_LOG_ERROR, "need YUV422P10\n");
|
|
return -1;
|
|
}
|
|
if (avctx->width & 0x1) {
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"frame width needs to be multiple of 2\n");
|
|
return -1;
|
|
}
|
|
|
|
if ((avctx->height & 0xf) || (avctx->width & 0xf)) {
|
|
ctx->fill_y = av_malloc(4 * (DEFAULT_SLICE_MB_WIDTH << 8));
|
|
if (!ctx->fill_y)
|
|
return AVERROR(ENOMEM);
|
|
ctx->fill_u = ctx->fill_y + (DEFAULT_SLICE_MB_WIDTH << 9);
|
|
ctx->fill_v = ctx->fill_u + (DEFAULT_SLICE_MB_WIDTH << 8);
|
|
}
|
|
|
|
if (avctx->profile == FF_PROFILE_UNKNOWN) {
|
|
avctx->profile = FF_PROFILE_PRORES_STANDARD;
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"encoding with ProRes standard (apcn) profile\n");
|
|
|
|
} else if (avctx->profile < FF_PROFILE_PRORES_PROXY
|
|
|| avctx->profile > FF_PROFILE_PRORES_HQ) {
|
|
av_log(
|
|
avctx,
|
|
AV_LOG_ERROR,
|
|
"unknown profile %d, use [0 - apco, 1 - apcs, 2 - apcn (default), 3 - apch]\n",
|
|
avctx->profile);
|
|
return -1;
|
|
}
|
|
|
|
avctx->codec_tag = AV_RL32((const uint8_t*)profiles[avctx->profile].name);
|
|
|
|
for (i = 1; i <= 16; i++) {
|
|
scale_mat(QMAT_LUMA[avctx->profile] , ctx->qmat_luma[i - 1] , i);
|
|
scale_mat(QMAT_CHROMA[avctx->profile], ctx->qmat_chroma[i - 1], i);
|
|
}
|
|
|
|
avctx->coded_frame = avcodec_alloc_frame();
|
|
avctx->coded_frame->key_frame = 1;
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int prores_encode_close(AVCodecContext *avctx)
|
|
{
|
|
ProresContext* ctx = avctx->priv_data;
|
|
av_freep(&avctx->coded_frame);
|
|
av_freep(&ctx->fill_y);
|
|
|
|
return 0;
|
|
}
|
|
|
|
AVCodec ff_prores_aw_encoder = {
|
|
.name = "prores_aw",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Apple ProRes"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_PRORES,
|
|
.priv_data_size = sizeof(ProresContext),
|
|
.init = prores_encode_init,
|
|
.close = prores_encode_close,
|
|
.encode2 = prores_encode_frame,
|
|
.pix_fmts = (const enum AVPixelFormat[]){AV_PIX_FMT_YUV422P10, AV_PIX_FMT_NONE},
|
|
.capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
|
|
.profiles = profiles
|
|
};
|
|
|
|
AVCodec ff_prores_encoder = {
|
|
.name = "prores",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Apple ProRes"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_PRORES,
|
|
.priv_data_size = sizeof(ProresContext),
|
|
.init = prores_encode_init,
|
|
.close = prores_encode_close,
|
|
.encode2 = prores_encode_frame,
|
|
.pix_fmts = (const enum AVPixelFormat[]){AV_PIX_FMT_YUV422P10, AV_PIX_FMT_NONE},
|
|
.capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
|
|
.profiles = profiles
|
|
};
|