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- /*
- * Apple ProRes encoder
- *
- * Copyright (c) 2011 Anatoliy Wasserman
- * Copyright (c) 2012 Konstantin Shishkov
- *
- * 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
- */
- /**
- * @file
- * Apple ProRes encoder (Anatoliy Wasserman version)
- * Known FOURCCs: 'ap4h' (444), 'apch' (HQ), 'apcn' (422), 'apcs' (LT), 'acpo' (Proxy)
- */
- #include "libavutil/mem.h"
- #include "libavutil/mem_internal.h"
- #include "libavutil/opt.h"
- #include "avcodec.h"
- #include "codec_internal.h"
- #include "encode.h"
- #include "profiles.h"
- #include "proresdata.h"
- #include "put_bits.h"
- #include "bytestream.h"
- #include "fdctdsp.h"
- #define DEFAULT_SLICE_MB_WIDTH 8
- static const AVProfile profiles[] = {
- { AV_PROFILE_PRORES_PROXY, "apco"},
- { AV_PROFILE_PRORES_LT, "apcs"},
- { AV_PROFILE_PRORES_STANDARD, "apcn"},
- { AV_PROFILE_PRORES_HQ, "apch"},
- { AV_PROFILE_PRORES_4444, "ap4h"},
- { AV_PROFILE_PRORES_XQ, "ap4x"},
- { AV_PROFILE_UNKNOWN }
- };
- static const int qp_start_table[] = { 8, 3, 2, 1, 1, 1};
- static const int qp_end_table[] = { 13, 9, 6, 6, 5, 4};
- static const int bitrate_table[] = { 1000, 2100, 3500, 5400, 7000, 10000};
- static const int valid_primaries[] = { AVCOL_PRI_RESERVED0, AVCOL_PRI_BT709, AVCOL_PRI_UNSPECIFIED, AVCOL_PRI_BT470BG,
- AVCOL_PRI_SMPTE170M, AVCOL_PRI_BT2020, AVCOL_PRI_SMPTE431, AVCOL_PRI_SMPTE432, INT_MAX };
- static const int valid_trc[] = { AVCOL_TRC_RESERVED0, AVCOL_TRC_BT709, AVCOL_TRC_UNSPECIFIED, AVCOL_TRC_SMPTE2084,
- AVCOL_TRC_ARIB_STD_B67, INT_MAX };
- static const int valid_colorspace[] = { AVCOL_SPC_BT709, AVCOL_SPC_UNSPECIFIED, AVCOL_SPC_SMPTE170M,
- AVCOL_SPC_BT2020_NCL, INT_MAX };
- static const uint8_t QMAT_LUMA[6][64] = {
- {
- 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
- }, {
- 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
- }, {
- 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
- }, {
- 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
- }, { /* 444 */
- 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
- }, { /* 444 XQ */
- 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 3,
- 2, 2, 2, 2, 2, 2, 3, 3,
- 2, 2, 2, 2, 2, 3, 3, 3,
- 2, 2, 2, 2, 3, 3, 3, 4,
- 2, 2, 2, 2, 3, 3, 4, 4,
- }
- };
- static const uint8_t QMAT_CHROMA[6][64] = {
- {
- 4, 7, 9, 11, 13, 14, 63, 63,
- 7, 7, 11, 12, 14, 63, 63, 63,
- 9, 11, 13, 14, 63, 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
- }, {
- 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
- }, {
- 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
- }, {
- 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
- }, { /* 444 */
- 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
- }, { /* 444 xq */
- 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
- }
- };
- typedef struct {
- AVClass *class;
- FDCTDSPContext fdsp;
- uint8_t* fill_y;
- uint8_t* fill_u;
- uint8_t* fill_v;
- uint8_t* fill_a;
- int qmat_luma[16][64];
- int qmat_chroma[16][64];
- const uint8_t *scantable;
- int is_422;
- int need_alpha;
- int is_interlaced;
- char *vendor;
- } ProresContext;
- /**
- * Check if a value is in the list. If not, return the default value
- *
- * @param ctx Context for the log msg
- * @param val_name Name of the checked value, for log msg
- * @param array_valid_values Array of valid int, ended with INT_MAX
- * @param default_value Value return if checked value is not in the array
- * @return Value or default_value.
- */
- static int int_from_list_or_default(void *ctx, const char *val_name, int val,
- const int *array_valid_values, int default_value)
- {
- int i = 0;
- while (1) {
- int ref_val = array_valid_values[i];
- if (ref_val == INT_MAX)
- break;
- if (val == ref_val)
- return val;
- i++;
- }
- /* val is not a valid value */
- av_log(ctx, AV_LOG_DEBUG,
- "%s %d are not supported. Set to default value : %d\n",
- val_name, val, default_value);
- return default_value;
- }
- static 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) * 2) ^ GET_SIGN(x))
- static void encode_dcs(PutBitContext *pb, int16_t *blocks,
- int blocks_per_slice, int scale)
- {
- int i;
- int codebook = 5, 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;
- 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 = FFMIN(code, 6);
- sign = new_sign;
- prev_dc = dc;
- }
- }
- static void encode_acs(PutBitContext *pb, int16_t *blocks,
- int blocks_per_slice,
- int *qmat, const uint8_t *scan)
- {
- int idx, i;
- int prev_run = 4;
- int prev_level = 2;
- int run = 0, level;
- int max_coeffs, abs_level;
- max_coeffs = blocks_per_slice << 6;
- 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_run_to_cb[prev_run], run);
- encode_vlc_codeword(pb, ff_prores_level_to_cb[prev_level], abs_level - 1);
- put_sbits(pb, 1, GET_SIGN(level));
- prev_run = FFMIN(run, 15);
- prev_level = FFMIN(abs_level, 9);
- run = 0;
- } else {
- run++;
- }
- }
- }
- }
- static void get(const uint8_t *pixels, int stride, int16_t* block)
- {
- int i;
- for (i = 0; i < 8; i++) {
- AV_WN64(block, AV_RN64(pixels));
- AV_WN64(block+4, AV_RN64(pixels+8));
- pixels += stride;
- block += 8;
- }
- }
- static void fdct_get(FDCTDSPContext *fdsp, const uint8_t *pixels, int stride, int16_t* block)
- {
- get(pixels, stride, block);
- fdsp->fdct(block);
- }
- static void calc_plane_dct(FDCTDSPContext *fdsp, const uint8_t *src, int16_t * blocks, int src_stride, int mb_count, int chroma, int is_422)
- {
- int16_t *block;
- int i;
- block = blocks;
- if (!chroma) { /* Luma plane */
- for (i = 0; i < mb_count; i++) {
- fdct_get(fdsp, src, src_stride, block + (0 << 6));
- fdct_get(fdsp, src + 16, src_stride, block + (1 << 6));
- fdct_get(fdsp, src + 8 * src_stride, src_stride, block + (2 << 6));
- fdct_get(fdsp, src + 16 + 8 * src_stride, src_stride, block + (3 << 6));
- block += 256;
- src += 32;
- }
- } else if (chroma && is_422){ /* chroma plane 422 */
- for (i = 0; i < mb_count; i++) {
- fdct_get(fdsp, src, src_stride, block + (0 << 6));
- fdct_get(fdsp, src + 8 * src_stride, src_stride, block + (1 << 6));
- block += (256 >> 1);
- src += (32 >> 1);
- }
- } else { /* chroma plane 444 */
- for (i = 0; i < mb_count; i++) {
- fdct_get(fdsp, src, src_stride, block + (0 << 6));
- fdct_get(fdsp, src + 8 * src_stride, src_stride, block + (1 << 6));
- fdct_get(fdsp, src + 16, src_stride, block + (2 << 6));
- fdct_get(fdsp, src + 16 + 8 * src_stride, src_stride, block + (3 << 6));
- block += 256;
- src += 32;
- }
- }
- }
- static int encode_slice_plane(int16_t *blocks, int mb_count, uint8_t *buf, unsigned buf_size, int *qmat, int sub_sample_chroma,
- const uint8_t *scan)
- {
- int blocks_per_slice;
- PutBitContext pb;
- blocks_per_slice = mb_count << (2 - sub_sample_chroma);
- init_put_bits(&pb, buf, buf_size);
- encode_dcs(&pb, blocks, blocks_per_slice, qmat[0]);
- encode_acs(&pb, blocks, blocks_per_slice, qmat, scan);
- flush_put_bits(&pb);
- return put_bytes_output(&pb);
- }
- static av_always_inline unsigned encode_slice_data(AVCodecContext *avctx,
- int16_t * blocks_y, int16_t * blocks_u, int16_t * blocks_v,
- unsigned mb_count, uint8_t *buf, unsigned data_size,
- unsigned* y_data_size, unsigned* u_data_size, unsigned* v_data_size,
- int qp)
- {
- ProresContext* ctx = avctx->priv_data;
- *y_data_size = encode_slice_plane(blocks_y, mb_count,
- buf, data_size, ctx->qmat_luma[qp - 1], 0, ctx->scantable);
- if (!(avctx->flags & AV_CODEC_FLAG_GRAY)) {
- *u_data_size = encode_slice_plane(blocks_u, mb_count, buf + *y_data_size, data_size - *y_data_size,
- ctx->qmat_chroma[qp - 1], ctx->is_422, ctx->scantable);
- *v_data_size = encode_slice_plane(blocks_v, mb_count, buf + *y_data_size + *u_data_size,
- data_size - *y_data_size - *u_data_size,
- ctx->qmat_chroma[qp - 1], ctx->is_422, ctx->scantable);
- }
- return *y_data_size + *u_data_size + *v_data_size;
- }
- static void put_alpha_diff(PutBitContext *pb, int cur, int prev)
- {
- const int abits = 16;
- const int dbits = 7;
- const int dsize = 1 << dbits - 1;
- int diff = cur - prev;
- diff = av_zero_extend(diff, abits);
- 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 inline 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);
- }
- }
- static av_always_inline int encode_alpha_slice_data(AVCodecContext *avctx, int8_t * src_a,
- unsigned mb_count, uint8_t *buf, unsigned data_size, unsigned* a_data_size)
- {
- const int abits = 16;
- const int mask = (1 << abits) - 1;
- const int num_coeffs = mb_count * 256;
- int prev = mask, cur;
- int idx = 0;
- int run = 0;
- int16_t * blocks = (int16_t *)src_a;
- PutBitContext pb;
- init_put_bits(&pb, buf, data_size);
- cur = blocks[idx++];
- put_alpha_diff(&pb, cur, prev);
- prev = cur;
- do {
- cur = blocks[idx++];
- if (cur != prev) {
- put_alpha_run (&pb, run);
- put_alpha_diff(&pb, cur, prev);
- prev = cur;
- run = 0;
- } else {
- run++;
- }
- } while (idx < num_coeffs);
- put_alpha_run(&pb, run);
- flush_put_bits(&pb);
- *a_data_size = put_bytes_output(&pb);
- if (put_bits_left(&pb) < 0) {
- av_log(avctx, AV_LOG_ERROR,
- "Underestimated required buffer size.\n");
- return AVERROR_BUG;
- } else {
- return 0;
- }
- }
- static inline void subimage_with_fill_template(const uint16_t *src, unsigned x, unsigned y,
- unsigned stride, unsigned width, unsigned height, uint16_t *dst,
- unsigned dst_width, unsigned dst_height, int is_alpha_plane,
- int is_interlaced, int is_top_field)
- {
- int box_width = FFMIN(width - x, dst_width);
- int i, j, src_stride, box_height;
- uint16_t last_pix, *last_line;
- if (!is_interlaced) {
- src_stride = stride >> 1;
- src += y * src_stride + x;
- box_height = FFMIN(height - y, dst_height);
- } else {
- src_stride = stride; /* 2 lines stride */
- src += y * src_stride + x;
- box_height = FFMIN(height/2 - y, dst_height);
- if (!is_top_field)
- src += stride >> 1;
- }
- for (i = 0; i < box_height; ++i) {
- for (j = 0; j < box_width; ++j) {
- if (!is_alpha_plane) {
- dst[j] = src[j];
- } else {
- dst[j] = src[j] << 6; /* alpha 10b to 16b */
- }
- }
- if (!is_alpha_plane) {
- last_pix = dst[j - 1];
- } else {
- last_pix = dst[j - 1] << 6; /* alpha 10b to 16b */
- }
- for (; j < dst_width; j++)
- dst[j] = last_pix;
- src += src_stride;
- dst += dst_width;
- }
- last_line = dst - dst_width;
- for (; i < dst_height; i++) {
- for (j = 0; j < dst_width; ++j) {
- dst[j] = last_line[j];
- }
- dst += dst_width;
- }
- }
- static void subimage_with_fill(const uint16_t *src, unsigned x, unsigned y,
- unsigned stride, unsigned width, unsigned height, uint16_t *dst,
- unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
- {
- subimage_with_fill_template(src, x, y, stride, width, height, dst, dst_width, dst_height, 0, is_interlaced, is_top_field);
- }
- /* reorganize alpha data and convert 10b -> 16b */
- static void subimage_alpha_with_fill(const uint16_t *src, unsigned x, unsigned y,
- unsigned stride, unsigned width, unsigned height, uint16_t *dst,
- unsigned dst_width, unsigned dst_height, int is_interlaced, int is_top_field)
- {
- subimage_with_fill_template(src, x, y, stride, width, height, dst, dst_width, dst_height, 1, is_interlaced, is_top_field);
- }
- static int encode_slice(AVCodecContext *avctx, const AVFrame *pic, int mb_x,
- int mb_y, unsigned mb_count, uint8_t *buf, unsigned data_size,
- int unsafe, int *qp, int is_interlaced, int is_top_field)
- {
- int luma_stride, chroma_stride, alpha_stride = 0;
- ProresContext* ctx = avctx->priv_data;
- int hdr_size = 6 + (ctx->need_alpha * 2); /* v data size is write when there is alpha */
- int ret = 0, slice_size;
- const uint8_t *dest_y, *dest_u, *dest_v;
- unsigned y_data_size = 0, u_data_size = 0, v_data_size = 0, a_data_size = 0;
- FDCTDSPContext *fdsp = &ctx->fdsp;
- int tgt_bits = (mb_count * bitrate_table[avctx->profile]) >> 2;
- int low_bytes = (tgt_bits - (tgt_bits >> 3)) >> 3; // 12% bitrate fluctuation
- int high_bytes = (tgt_bits + (tgt_bits >> 3)) >> 3;
- LOCAL_ALIGNED(16, int16_t, blocks_y, [DEFAULT_SLICE_MB_WIDTH << 8]);
- LOCAL_ALIGNED(16, int16_t, blocks_u, [DEFAULT_SLICE_MB_WIDTH << 8]);
- LOCAL_ALIGNED(16, int16_t, blocks_v, [DEFAULT_SLICE_MB_WIDTH << 8]);
- luma_stride = pic->linesize[0];
- chroma_stride = pic->linesize[1];
- if (ctx->need_alpha)
- alpha_stride = pic->linesize[3];
- if (!is_interlaced) {
- dest_y = pic->data[0] + (mb_y << 4) * luma_stride + (mb_x << 5);
- dest_u = pic->data[1] + (mb_y << 4) * chroma_stride + (mb_x << (5 - ctx->is_422));
- dest_v = pic->data[2] + (mb_y << 4) * chroma_stride + (mb_x << (5 - ctx->is_422));
- } else {
- dest_y = pic->data[0] + (mb_y << 4) * luma_stride * 2 + (mb_x << 5);
- dest_u = pic->data[1] + (mb_y << 4) * chroma_stride * 2 + (mb_x << (5 - ctx->is_422));
- dest_v = pic->data[2] + (mb_y << 4) * chroma_stride * 2 + (mb_x << (5 - ctx->is_422));
- if (!is_top_field){ /* bottom field, offset dest */
- dest_y += luma_stride;
- dest_u += chroma_stride;
- dest_v += chroma_stride;
- }
- }
- if (unsafe) {
- subimage_with_fill((const uint16_t *) pic->data[0], mb_x << 4, mb_y << 4,
- luma_stride, avctx->width, avctx->height,
- (uint16_t *) ctx->fill_y, mb_count << 4, 16, is_interlaced, is_top_field);
- subimage_with_fill((const uint16_t *) pic->data[1], mb_x << (4 - ctx->is_422), mb_y << 4,
- chroma_stride, avctx->width >> ctx->is_422, avctx->height,
- (uint16_t *) ctx->fill_u, mb_count << (4 - ctx->is_422), 16, is_interlaced, is_top_field);
- subimage_with_fill((const uint16_t *) pic->data[2], mb_x << (4 - ctx->is_422), mb_y << 4,
- chroma_stride, avctx->width >> ctx->is_422, avctx->height,
- (uint16_t *) ctx->fill_v, mb_count << (4 - ctx->is_422), 16, is_interlaced, is_top_field);
- /* no need for interlaced special case, data already reorganized in subimage_with_fill */
- calc_plane_dct(fdsp, ctx->fill_y, blocks_y, mb_count << 5, mb_count, 0, 0);
- calc_plane_dct(fdsp, ctx->fill_u, blocks_u, mb_count << (5 - ctx->is_422), mb_count, 1, ctx->is_422);
- calc_plane_dct(fdsp, ctx->fill_v, blocks_v, mb_count << (5 - ctx->is_422), mb_count, 1, ctx->is_422);
- slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
- mb_count, buf + hdr_size, data_size - hdr_size,
- &y_data_size, &u_data_size, &v_data_size,
- *qp);
- } else {
- if (!is_interlaced) {
- calc_plane_dct(fdsp, dest_y, blocks_y, luma_stride, mb_count, 0, 0);
- calc_plane_dct(fdsp, dest_u, blocks_u, chroma_stride, mb_count, 1, ctx->is_422);
- calc_plane_dct(fdsp, dest_v, blocks_v, chroma_stride, mb_count, 1, ctx->is_422);
- } else {
- calc_plane_dct(fdsp, dest_y, blocks_y, luma_stride * 2, mb_count, 0, 0);
- calc_plane_dct(fdsp, dest_u, blocks_u, chroma_stride * 2, mb_count, 1, ctx->is_422);
- calc_plane_dct(fdsp, dest_v, blocks_v, chroma_stride * 2, mb_count, 1, ctx->is_422);
- }
- slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
- mb_count, buf + hdr_size, data_size - hdr_size,
- &y_data_size, &u_data_size, &v_data_size,
- *qp);
- if (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]) {
- do {
- *qp += 1;
- slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
- mb_count, buf + hdr_size, data_size - hdr_size,
- &y_data_size, &u_data_size, &v_data_size,
- *qp);
- } while (slice_size > high_bytes && *qp < qp_end_table[avctx->profile]);
- } else if (slice_size < low_bytes && *qp
- > qp_start_table[avctx->profile]) {
- do {
- *qp -= 1;
- slice_size = encode_slice_data(avctx, blocks_y, blocks_u, blocks_v,
- 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);
- if (ctx->need_alpha) {
- AV_WB16(buf + 6, v_data_size); /* write v data size only if there is alpha */
- subimage_alpha_with_fill((const uint16_t *) pic->data[3], mb_x << 4, mb_y << 4,
- alpha_stride, avctx->width, avctx->height,
- (uint16_t *) ctx->fill_a, mb_count << 4, 16, is_interlaced, is_top_field);
- ret = encode_alpha_slice_data(avctx, ctx->fill_a, mb_count,
- buf + hdr_size + slice_size,
- data_size - hdr_size - slice_size, &a_data_size);
- }
- if (ret != 0) {
- return ret;
- }
- return hdr_size + y_data_size + u_data_size + v_data_size + a_data_size;
- }
- static int prores_encode_picture(AVCodecContext *avctx, const AVFrame *pic,
- uint8_t *buf, const int buf_size, const int picture_index, const int is_top_field)
- {
- ProresContext *ctx = avctx->priv_data;
- int mb_width = (avctx->width + 15) >> 4;
- int hdr_size, sl_size, i;
- int mb_y, sl_data_size, qp, mb_height, picture_height, unsafe_mb_height_limit;
- int unsafe_bot, unsafe_right;
- uint8_t *sl_data, *sl_data_sizes;
- int slice_per_line = 0, rem = mb_width;
- if (!ctx->is_interlaced) { /* progressive encoding */
- mb_height = (avctx->height + 15) >> 4;
- unsafe_mb_height_limit = mb_height;
- } else {
- if (is_top_field) {
- picture_height = (avctx->height + 1) / 2;
- } else {
- picture_height = avctx->height / 2;
- }
- mb_height = (picture_height + 15) >> 4;
- unsafe_mb_height_limit = mb_height;
- }
- 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 == unsafe_mb_height_limit - 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, ctx->is_interlaced, is_top_field);
- if (sl_size < 0){
- return sl_size;
- }
- 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); /* picture size */
- buf[7] = av_log2(DEFAULT_SLICE_MB_WIDTH) << 4; /* number of slices */
- return sl_data - buf;
- }
- static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *pict, int *got_packet)
- {
- ProresContext *ctx = avctx->priv_data;
- int header_size = 148;
- uint8_t *buf;
- int compress_frame_size, pic_size, ret, is_top_field_first = 0;
- uint8_t frame_flags;
- int frame_size = FFALIGN(avctx->width, 16) * FFALIGN(avctx->height, 16)*16 + 500 + FF_INPUT_BUFFER_MIN_SIZE; //FIXME choose tighter limit
- if ((ret = ff_alloc_packet(avctx, pkt, frame_size + FF_INPUT_BUFFER_MIN_SIZE)) < 0)
- return ret;
- buf = pkt->data;
- compress_frame_size = 8 + header_size;
- bytestream_put_be32(&buf, compress_frame_size);/* frame size will be update after picture(s) encoding */
- bytestream_put_be32(&buf, FRAME_ID);
- bytestream_put_be16(&buf, header_size);
- bytestream_put_be16(&buf, avctx->pix_fmt != AV_PIX_FMT_YUV422P10 || ctx->need_alpha ? 1 : 0); /* version */
- bytestream_put_buffer(&buf, ctx->vendor, 4);
- bytestream_put_be16(&buf, avctx->width);
- bytestream_put_be16(&buf, avctx->height);
- frame_flags = 0x80; /* 422 not interlaced */
- if (avctx->profile >= AV_PROFILE_PRORES_4444) /* 4444 or 4444 Xq */
- frame_flags |= 0x40; /* 444 chroma */
- if (ctx->is_interlaced) {
- if ((pict->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST) || !(pict->flags & AV_FRAME_FLAG_INTERLACED)) {
- /* tff frame or progressive frame interpret as tff */
- av_log(avctx, AV_LOG_DEBUG, "use interlaced encoding, top field first\n");
- frame_flags |= 0x04; /* interlaced tff */
- is_top_field_first = 1;
- } else {
- av_log(avctx, AV_LOG_DEBUG, "use interlaced encoding, bottom field first\n");
- frame_flags |= 0x08; /* interlaced bff */
- }
- } else {
- av_log(avctx, AV_LOG_DEBUG, "use progressive encoding\n");
- }
- *buf++ = frame_flags;
- *buf++ = 0; /* reserved */
- /* only write color properties, if valid value. set to unspecified otherwise */
- *buf++ = int_from_list_or_default(avctx, "frame color primaries",
- pict->color_primaries, valid_primaries, 0);
- *buf++ = int_from_list_or_default(avctx, "frame color trc",
- pict->color_trc, valid_trc, 0);
- *buf++ = int_from_list_or_default(avctx, "frame colorspace",
- pict->colorspace, valid_colorspace, 0);
- *buf++ = ctx->need_alpha ? 0x2 /* 16-bit alpha */ : 0;
- *buf++ = 0; /* reserved */
- *buf++ = 3; /* luma and chroma matrix present */
- bytestream_put_buffer(&buf, QMAT_LUMA[avctx->profile], 64);
- bytestream_put_buffer(&buf, QMAT_CHROMA[avctx->profile], 64);
- pic_size = prores_encode_picture(avctx, pict, buf,
- pkt->size - compress_frame_size, 0, is_top_field_first);/* encode progressive or first field */
- if (pic_size < 0) {
- return pic_size;
- }
- compress_frame_size += pic_size;
- if (ctx->is_interlaced) { /* encode second field */
- pic_size = prores_encode_picture(avctx, pict, pkt->data + compress_frame_size,
- pkt->size - compress_frame_size, 1, !is_top_field_first);
- if (pic_size < 0) {
- return pic_size;
- }
- compress_frame_size += pic_size;
- }
- AV_WB32(pkt->data, compress_frame_size);/* update frame size */
- pkt->size = compress_frame_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;
- avctx->bits_per_raw_sample = 10;
- ctx->need_alpha = 0;
- ctx->is_interlaced = !!(avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT);
- if (ctx->is_interlaced) {
- ctx->scantable = ff_prores_interlaced_scan;
- } else {
- ctx->scantable = ff_prores_progressive_scan;
- }
- if (avctx->width & 0x1) {
- av_log(avctx, AV_LOG_ERROR,
- "frame width needs to be multiple of 2\n");
- return AVERROR(EINVAL);
- }
- if (avctx->width > 65534 || avctx->height > 65535) {
- av_log(avctx, AV_LOG_ERROR,
- "The maximum dimensions are 65534x65535\n");
- return AVERROR(EINVAL);
- }
- if (strlen(ctx->vendor) != 4) {
- av_log(avctx, AV_LOG_ERROR, "vendor ID should be 4 bytes\n");
- return AVERROR(EINVAL);
- }
- if (avctx->profile == AV_PROFILE_UNKNOWN) {
- if (avctx->pix_fmt == AV_PIX_FMT_YUV422P10) {
- avctx->profile = AV_PROFILE_PRORES_STANDARD;
- av_log(avctx, AV_LOG_INFO,
- "encoding with ProRes standard (apcn) profile\n");
- } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P10) {
- avctx->profile = AV_PROFILE_PRORES_4444;
- av_log(avctx, AV_LOG_INFO,
- "encoding with ProRes 4444 (ap4h) profile\n");
- } else if (avctx->pix_fmt == AV_PIX_FMT_YUVA444P10) {
- avctx->profile = AV_PROFILE_PRORES_4444;
- av_log(avctx, AV_LOG_INFO,
- "encoding with ProRes 4444+ (ap4h) profile\n");
- } else
- av_assert0(0);
- } else if (avctx->profile < AV_PROFILE_PRORES_PROXY
- || avctx->profile > AV_PROFILE_PRORES_XQ) {
- av_log(
- avctx,
- AV_LOG_ERROR,
- "unknown profile %d, use [0 - apco, 1 - apcs, 2 - apcn (default), 3 - apch, 4 - ap4h, 5 - ap4x]\n",
- avctx->profile);
- return AVERROR(EINVAL);
- } else if ((avctx->pix_fmt == AV_PIX_FMT_YUV422P10) && (avctx->profile > AV_PROFILE_PRORES_HQ)){
- av_log(avctx, AV_LOG_ERROR,
- "encoding with ProRes 444/Xq (ap4h/ap4x) profile, need YUV444P10 input\n");
- return AVERROR(EINVAL);
- } else if ((avctx->pix_fmt == AV_PIX_FMT_YUV444P10 || avctx->pix_fmt == AV_PIX_FMT_YUVA444P10)
- && (avctx->profile < AV_PROFILE_PRORES_4444)){
- av_log(avctx, AV_LOG_ERROR,
- "encoding with ProRes Proxy/LT/422/422 HQ (apco, apcs, apcn, ap4h) profile, need YUV422P10 input\n");
- return AVERROR(EINVAL);
- }
- if (avctx->profile < AV_PROFILE_PRORES_4444) { /* 422 versions */
- ctx->is_422 = 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);
- }
- } else { /* 444 */
- ctx->is_422 = 0;
- if ((avctx->height & 0xf) || (avctx->width & 0xf)) {
- ctx->fill_y = av_malloc(3 * (DEFAULT_SLICE_MB_WIDTH << 9));
- 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 << 9);
- }
- if (avctx->pix_fmt == AV_PIX_FMT_YUVA444P10) {
- ctx->need_alpha = 1;
- ctx->fill_a = av_malloc(DEFAULT_SLICE_MB_WIDTH << 9); /* 8 blocks x 16px x 16px x sizeof (uint16) */
- if (!ctx->fill_a)
- return AVERROR(ENOMEM);
- }
- }
- if (ctx->need_alpha)
- avctx->bits_per_coded_sample = 32;
- ff_fdctdsp_init(&ctx->fdsp, avctx);
- 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);
- }
- return 0;
- }
- static av_cold int prores_encode_close(AVCodecContext *avctx)
- {
- ProresContext* ctx = avctx->priv_data;
- av_freep(&ctx->fill_y);
- av_freep(&ctx->fill_a);
- return 0;
- }
- #define OFFSET(x) offsetof(ProresContext, x)
- #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
- static const AVOption options[] = {
- { "vendor", "vendor ID", OFFSET(vendor), AV_OPT_TYPE_STRING, { .str = "fmpg" }, 0, 0, VE },
- { NULL }
- };
- static const AVClass prores_enc_class = {
- .class_name = "ProRes encoder",
- .item_name = av_default_item_name,
- .option = options,
- .version = LIBAVUTIL_VERSION_INT,
- };
- static const enum AVPixelFormat pix_fmts[] = {
- AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
- AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_NONE
- };
- const FFCodec ff_prores_aw_encoder = {
- .p.name = "prores_aw",
- CODEC_LONG_NAME("Apple ProRes"),
- .p.type = AVMEDIA_TYPE_VIDEO,
- .p.id = AV_CODEC_ID_PRORES,
- .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
- AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
- CODEC_PIXFMTS_ARRAY(pix_fmts),
- .color_ranges = AVCOL_RANGE_MPEG,
- .priv_data_size = sizeof(ProresContext),
- .init = prores_encode_init,
- .close = prores_encode_close,
- FF_CODEC_ENCODE_CB(prores_encode_frame),
- .p.priv_class = &prores_enc_class,
- .p.profiles = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
- .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
- };
- const FFCodec ff_prores_encoder = {
- .p.name = "prores",
- CODEC_LONG_NAME("Apple ProRes"),
- .p.type = AVMEDIA_TYPE_VIDEO,
- .p.id = AV_CODEC_ID_PRORES,
- .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
- AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
- CODEC_PIXFMTS_ARRAY(pix_fmts),
- .color_ranges = AVCOL_RANGE_MPEG,
- .priv_data_size = sizeof(ProresContext),
- .init = prores_encode_init,
- .close = prores_encode_close,
- FF_CODEC_ENCODE_CB(prores_encode_frame),
- .p.priv_class = &prores_enc_class,
- .p.profiles = NULL_IF_CONFIG_SMALL(ff_prores_profiles),
- .caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
- };
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