| /* |
| * 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 "avcodec.h" |
| #include "dct.h" |
| #include "internal.h" |
| #include "proresdata.h" |
| #include "put_bits.h" |
| #include "bytestream.h" |
| #include "fdctdsp.h" |
| |
| #define DEFAULT_SLICE_MB_WIDTH 8 |
| |
| #define FF_PROFILE_PRORES_PROXY 0 |
| #define FF_PROFILE_PRORES_LT 1 |
| #define FF_PROFILE_PRORES_STANDARD 2 |
| #define FF_PROFILE_PRORES_HQ 3 |
| #define FF_PROFILE_PRORES_444 4 |
| |
| static const AVProfile profiles[] = { |
| { FF_PROFILE_PRORES_PROXY, "apco"}, |
| { FF_PROFILE_PRORES_LT, "apcs"}, |
| { FF_PROFILE_PRORES_STANDARD, "apcn"}, |
| { FF_PROFILE_PRORES_HQ, "apch"}, |
| { FF_PROFILE_PRORES_444, "ap4h"}, |
| { FF_PROFILE_UNKNOWN } |
| }; |
| |
| static const int qp_start_table[5] = { 8, 3, 2, 1, 1}; |
| static const int qp_end_table[5] = { 13, 9, 6, 6, 5}; |
| static const int bitrate_table[5] = { 1000, 2100, 3500, 5400, 7000}; |
| |
| static const uint8_t QMAT_LUMA[5][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 |
| } |
| }; |
| |
| static const uint8_t QMAT_CHROMA[5][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 |
| } |
| }; |
| |
| |
| typedef struct { |
| FDCTDSPContext fdsp; |
| uint8_t* fill_y; |
| uint8_t* fill_u; |
| uint8_t* fill_v; |
| |
| int qmat_luma[16][64]; |
| int qmat_chroma[16][64]; |
| |
| int is_422; |
| } ProresContext; |
| |
| static void encode_codeword(PutBitContext *pb, int val, int codebook) |
| { |
| unsigned int rice_order, exp_order, switch_bits, first_exp, exp, zeros; |
| |
| /* number of bits to switch between rice and exp golomb */ |
| switch_bits = codebook & 3; |
| rice_order = codebook >> 5; |
| exp_order = (codebook >> 2) & 7; |
| |
| first_exp = ((switch_bits + 1) << rice_order); |
| |
| if (val >= first_exp) { /* exp golomb */ |
| val -= first_exp; |
| val += (1 << exp_order); |
| exp = av_log2(val); |
| zeros = exp - exp_order + switch_bits + 1; |
| put_bits(pb, zeros, 0); |
| put_bits(pb, exp + 1, val); |
| } else if (rice_order) { |
| put_bits(pb, (val >> rice_order), 0); |
| put_bits(pb, 1, 1); |
| put_sbits(pb, rice_order, val); |
| } else { |
| put_bits(pb, val, 0); |
| put_bits(pb, 1, 1); |
| } |
| } |
| |
| #define QSCALE(qmat,ind,val) ((val) / ((qmat)[ind])) |
| #define TO_GOLOMB(val) (((val) << 1) ^ ((val) >> 31)) |
| #define DIFF_SIGN(val, sign) (((val) >> 31) ^ (sign)) |
| #define IS_NEGATIVE(val) ((((val) >> 31) ^ -1) + 1) |
| #define TO_GOLOMB2(val,sign) ((val)==0 ? 0 : ((val) << 1) + (sign)) |
| |
| static av_always_inline int get_level(int val) |
| { |
| int sign = (val >> 31); |
| return (val ^ sign) - sign; |
| } |
| |
| #define FIRST_DC_CB 0xB8 |
| |
| static const uint8_t dc_codebook[7] = { 0x04, 0x28, 0x28, 0x4D, 0x4D, 0x70, 0x70}; |
| |
| static void encode_dc_coeffs(PutBitContext *pb, int16_t *in, |
| int blocks_per_slice, int *qmat) |
| { |
| int prev_dc, code; |
| int i, sign, idx; |
| int new_dc, delta, diff_sign, new_code; |
| |
| prev_dc = QSCALE(qmat, 0, in[0] - 16384); |
| code = TO_GOLOMB(prev_dc); |
| encode_codeword(pb, code, FIRST_DC_CB); |
| |
| code = 5; sign = 0; idx = 64; |
| for (i = 1; i < blocks_per_slice; i++, idx += 64) { |
| new_dc = QSCALE(qmat, 0, in[idx] - 16384); |
| delta = new_dc - prev_dc; |
| diff_sign = DIFF_SIGN(delta, sign); |
| new_code = TO_GOLOMB2(get_level(delta), diff_sign); |
| |
| encode_codeword(pb, new_code, dc_codebook[FFMIN(code, 6)]); |
| |
| code = new_code; |
| sign = delta >> 31; |
| prev_dc = new_dc; |
| } |
| } |
| |
| static const uint8_t run_to_cb[16] = { 0x06, 0x06, 0x05, 0x05, 0x04, 0x29, |
| 0x29, 0x29, 0x29, 0x28, 0x28, 0x28, 0x28, 0x28, 0x28, 0x4C }; |
| static const uint8_t lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28, |
| 0x28, 0x28, 0x28, 0x4C }; |
| |
| static void encode_ac_coeffs(PutBitContext *pb, |
| int16_t *in, int blocks_per_slice, int *qmat) |
| { |
| int prev_run = 4; |
| int prev_level = 2; |
| |
| int run = 0, level, code, i, j; |
| for (i = 1; i < 64; i++) { |
| int indp = ff_prores_progressive_scan[i]; |
| for (j = 0; j < blocks_per_slice; j++) { |
| int val = QSCALE(qmat, indp, in[(j << 6) + indp]); |
| if (val) { |
| encode_codeword(pb, run, run_to_cb[FFMIN(prev_run, 15)]); |
| |
| prev_run = run; |
| run = 0; |
| level = get_level(val); |
| code = level - 1; |
| |
| encode_codeword(pb, code, lev_to_cb[FFMIN(prev_level, 9)]); |
| |
| prev_level = level; |
| |
| put_bits(pb, 1, IS_NEGATIVE(val)); |
| } else { |
| ++run; |
| } |
| } |
| } |
| } |
| |
| static void get(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, uint8_t *pixels, int stride, int16_t* block) |
| { |
| get(pixels, stride, block); |
| fdsp->fdct(block); |
| } |
| |
| static void calc_plane_dct(FDCTDSPContext *fdsp, 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) |
| { |
| int blocks_per_slice; |
| PutBitContext pb; |
| |
| blocks_per_slice = mb_count << (2 - sub_sample_chroma); |
| init_put_bits(&pb, buf, buf_size); |
| |
| encode_dc_coeffs(&pb, blocks, blocks_per_slice, qmat); |
| encode_ac_coeffs(&pb, blocks, blocks_per_slice, qmat); |
| |
| flush_put_bits(&pb); |
| return put_bits_ptr(&pb) - pb.buf; |
| } |
| |
| 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); |
| |
| 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); |
| |
| *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); |
| } |
| |
| return *y_data_size + *u_data_size + *v_data_size; |
| } |
| |
| static void subimage_with_fill(uint16_t *src, unsigned x, unsigned y, |
| unsigned stride, unsigned width, unsigned height, uint16_t *dst, |
| unsigned dst_width, unsigned dst_height) |
| { |
| |
| int box_width = FFMIN(width - x, dst_width); |
| int box_height = FFMIN(height - y, dst_height); |
| int i, j, src_stride = stride >> 1; |
| uint16_t last_pix, *last_line; |
| |
| src += y * src_stride + x; |
| for (i = 0; i < box_height; ++i) { |
| for (j = 0; j < box_width; ++j) { |
| dst[j] = src[j]; |
| } |
| last_pix = dst[j - 1]; |
| 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 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 luma_stride, chroma_stride; |
| int hdr_size = 6, slice_size; |
| uint8_t *dest_y, *dest_u, *dest_v; |
| unsigned y_data_size = 0, u_data_size = 0, v_data_size = 0; |
| ProresContext* ctx = avctx->priv_data; |
| 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]; |
| |
| 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)); |
| |
| if (unsafe) { |
| subimage_with_fill((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); |
| subimage_with_fill((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); |
| subimage_with_fill((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); |
| |
| 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); |
| |
| 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 { |
| 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); |
| |
| 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); |
| |
| 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 + AV_INPUT_BUFFER_MIN_SIZE; //FIXME choose tighter limit |
| |
| |
| if ((ret = ff_alloc_packet2(avctx, pkt, frame_size + AV_INPUT_BUFFER_MIN_SIZE, 0)) < 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); |
| if (avctx->profile == FF_PROFILE_PRORES_444) { |
| *buf++ = 0xC2; // 444, not interlaced |
| } else { |
| *buf++ = 0x82; // 422, not interlaced |
| } |
| *buf++ = 0; |
| *buf++ = pict->color_primaries; |
| *buf++ = pict->color_trc; |
| *buf++ = pict->colorspace; |
| *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; |
| |
| avctx->bits_per_raw_sample = 10; |
| |
| 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 (avctx->profile == FF_PROFILE_UNKNOWN) { |
| if (avctx->pix_fmt == AV_PIX_FMT_YUV422P10) { |
| avctx->profile = FF_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 = FF_PROFILE_PRORES_444; |
| av_log(avctx, AV_LOG_INFO, |
| "encoding with ProRes 444 (ap4h) profile\n"); |
| } |
| |
| } else if (avctx->profile < FF_PROFILE_PRORES_PROXY |
| || avctx->profile > FF_PROFILE_PRORES_444) { |
| av_log( |
| avctx, |
| AV_LOG_ERROR, |
| "unknown profile %d, use [0 - apco, 1 - apcs, 2 - apcn (default), 3 - apch, 4 - ap4h]\n", |
| avctx->profile); |
| return AVERROR(EINVAL); |
| } else if ((avctx->pix_fmt == AV_PIX_FMT_YUV422P10) && (avctx->profile > FF_PROFILE_PRORES_HQ)){ |
| av_log(avctx, AV_LOG_ERROR, |
| "encoding with ProRes 444 (ap4h) profile, need YUV444P10 input\n"); |
| return AVERROR(EINVAL); |
| } else if ((avctx->pix_fmt == AV_PIX_FMT_YUV444P10) && (avctx->profile < FF_PROFILE_PRORES_444)){ |
| 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 < FF_PROFILE_PRORES_444) { /* 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); |
| } |
| } |
| |
| 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); |
| |
| 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_YUV444P10, AV_PIX_FMT_NONE}, |
| .capabilities = AV_CODEC_CAP_FRAME_THREADS | AV_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_YUV444P10, AV_PIX_FMT_NONE}, |
| .capabilities = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY, |
| .profiles = profiles |
| }; |
