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https://gitee.com/openharmony/third_party_ffmpeg
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101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
/*
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* VC3/DNxHD encoder structure definitions and prototypes
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* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
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*
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* VC-3 encoder funded by the British Broadcasting Corporation
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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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#ifndef AVCODEC_DNXHDENC_H
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#define AVCODEC_DNXHDENC_H
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#include <stdint.h>
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#include "mpegvideo.h"
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#include "dnxhddata.h"
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typedef struct {
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uint16_t mb;
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int value;
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} RCCMPEntry;
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typedef struct {
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int ssd;
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int bits;
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} RCEntry;
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typedef struct DNXHDEncContext {
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AVClass *class;
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MpegEncContext m; ///< Used for quantization dsp functions
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AVFrame frame;
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int cid;
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const CIDEntry *cid_table;
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uint8_t *msip; ///< Macroblock Scan Indexes Payload
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uint32_t *slice_size;
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uint32_t *slice_offs;
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struct DNXHDEncContext *thread[MAX_THREADS];
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// Because our samples are either 8 or 16 bits for 8-bit and 10-bit
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// encoding respectively, these refer either to bytes or to two-byte words.
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unsigned dct_y_offset;
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unsigned dct_uv_offset;
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unsigned block_width_l2;
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int interlaced;
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int cur_field;
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int nitris_compat;
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unsigned min_padding;
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DECLARE_ALIGNED(16, DCTELEM, blocks)[8][64];
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int (*qmatrix_c) [64];
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int (*qmatrix_l) [64];
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uint16_t (*qmatrix_l16)[2][64];
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uint16_t (*qmatrix_c16)[2][64];
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unsigned frame_bits;
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uint8_t *src[3];
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uint32_t *vlc_codes;
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uint8_t *vlc_bits;
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uint16_t *run_codes;
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uint8_t *run_bits;
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/** Rate control */
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unsigned slice_bits;
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unsigned qscale;
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unsigned lambda;
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unsigned thread_size;
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uint16_t *mb_bits;
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uint8_t *mb_qscale;
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RCCMPEntry *mb_cmp;
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RCEntry (*mb_rc)[8160];
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void (*get_pixels_8x4_sym)(DCTELEM */*align 16*/, const uint8_t *, int);
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} DNXHDEncContext;
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void ff_dnxhd_init_mmx(DNXHDEncContext *ctx);
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#endif /* AVCODEC_DNXHDENC_H */
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