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/* |
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* Generic DCT based hybrid video encoder |
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
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* Copyright (c) 2002-2004 Michael Niedermayer |
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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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* mpegvideo header. |
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*/ |
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#ifndef AVCODEC_MPEGVIDEOENC_H |
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#define AVCODEC_MPEGVIDEOENC_H |
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#include <float.h> |
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#include "libavutil/avassert.h" |
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#include "libavutil/opt.h" |
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#include "fdctdsp.h" |
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#include "motion_est.h" |
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#include "mpegvideo.h" |
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#include "mpegvideoencdsp.h" |
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#include "pixblockdsp.h" |
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#include "put_bits.h" |
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#include "ratecontrol.h" |
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#define MPVENC_MAX_B_FRAMES 16 |
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typedef struct MPVEncContext { |
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MpegEncContext c; ///< the common base context |
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/** bit output */ |
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PutBitContext pb; |
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unsigned int lambda; ///< Lagrange multiplier used in rate distortion |
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unsigned int lambda2; ///< (lambda*lambda) >> FF_LAMBDA_SHIFT |
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int *lambda_table; |
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int adaptive_quant; ///< use adaptive quantization |
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int dquant; ///< qscale difference to prev qscale |
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int skipdct; ///< skip dct and code zero residual |
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int quantizer_noise_shaping; |
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int luma_elim_threshold; |
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int chroma_elim_threshold; |
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int mpv_flags; ///< flags set by private options |
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/// Bitfield containing information which frames to reconstruct. |
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int frame_reconstruction_bitfield; |
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/** |
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* Reference to the source picture. |
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*/ |
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AVFrame *new_pic; |
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FDCTDSPContext fdsp; |
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MpegvideoEncDSPContext mpvencdsp; |
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PixblockDSPContext pdsp; |
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MotionEstContext me; |
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int16_t (*p_mv_table)[2]; ///< MV table (1MV per MB) P-frame |
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int16_t (*b_forw_mv_table)[2]; ///< MV table (1MV per MB) forward mode B-frame |
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int16_t (*b_back_mv_table)[2]; ///< MV table (1MV per MB) backward mode B-frame |
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int16_t (*b_bidir_forw_mv_table)[2]; ///< MV table (1MV per MB) bidir mode B-frame |
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int16_t (*b_bidir_back_mv_table)[2]; ///< MV table (1MV per MB) bidir mode B-frame |
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int16_t (*b_direct_mv_table)[2]; ///< MV table (1MV per MB) direct mode B-frame |
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int16_t (*b_field_mv_table[2][2][2])[2];///< MV table (4MV per MB) interlaced B-frame |
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uint8_t (*p_field_select_table[2]); ///< Only the first element is allocated |
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uint8_t (*b_field_select_table[2][2]); ///< allocated jointly with p_field_select_table |
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uint16_t *mb_type; ///< Table for candidate MB types |
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uint16_t *mb_var; ///< Table for MB variances |
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uint16_t *mc_mb_var; ///< Table for motion compensated MB variances |
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uint8_t *mb_mean; ///< Table for MB luminance |
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uint64_t encoding_error[MPV_MAX_PLANES]; |
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int intra_quant_bias; ///< bias for the quantizer |
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int inter_quant_bias; ///< bias for the quantizer |
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int min_qcoeff; ///< minimum encodable coefficient |
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int max_qcoeff; ///< maximum encodable coefficient |
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int ac_esc_length; ///< num of bits needed to encode the longest esc |
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const uint8_t *intra_ac_vlc_length; |
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const uint8_t *intra_ac_vlc_last_length; |
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const uint8_t *intra_chroma_ac_vlc_length; |
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const uint8_t *intra_chroma_ac_vlc_last_length; |
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const uint8_t *inter_ac_vlc_length; |
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const uint8_t *inter_ac_vlc_last_length; |
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const uint8_t *luma_dc_vlc_length; |
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int coded_score[12]; |
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/** precomputed matrix (combine qscale and DCT renorm) */ |
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int (*q_intra_matrix)[64]; |
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int (*q_chroma_intra_matrix)[64]; |
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int (*q_inter_matrix)[64]; |
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/** identical to the above but for MMX & these are not permutated, second 64 entries are bias*/ |
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uint16_t (*q_intra_matrix16)[2][64]; |
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uint16_t (*q_chroma_intra_matrix16)[2][64]; |
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uint16_t (*q_inter_matrix16)[2][64]; |
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/* noise reduction */ |
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void (*denoise_dct)(struct MPVEncContext *s, int16_t *block); |
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int (*dct_error_sum)[64]; |
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int dct_count[2]; |
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uint16_t (*dct_offset)[64]; |
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/* statistics, used for 2-pass encoding */ |
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int mv_bits; |
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int i_tex_bits; |
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int p_tex_bits; |
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int i_count; |
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int misc_bits; ///< cbp, mb_type |
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int last_bits; ///< temp var used for calculating the above vars |
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/* H.263 specific */ |
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int mb_info; ///< interval for outputting info about mb offsets as side data |
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int prev_mb_info, last_mb_info; |
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int mb_info_size; |
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uint8_t *mb_info_ptr; |
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/* MJPEG specific */ |
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struct MJpegContext *mjpeg_ctx; |
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int esc_pos; |
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/* MPEG-1 specific */ |
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int last_mv_dir; ///< last mv_dir, used for B-frame encoding |
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/* MPEG-4 specific */ |
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PutBitContext tex_pb; ///< used for data partitioned VOPs |
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PutBitContext pb2; ///< used for data partitioned VOPs |
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/* MSMPEG4 specific */ |
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int esc3_level_length; |
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/* RTP specific */ |
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int rtp_mode; |
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int rtp_payload_size; |
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int error_rate; |
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uint8_t *ptr_lastgob; |
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void (*encode_mb)(struct MPVEncContext *s, int16_t block[][64], |
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int motion_x, int motion_y); |
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int (*dct_quantize)(struct MPVEncContext *s, int16_t *block/*align 16*/, int n, int qscale, int *overflow); |
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me_cmp_func ildct_cmp[2]; ///< 0 = intra, 1 = non-intra |
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me_cmp_func n_sse_cmp[2]; ///< either SSE or NSSE cmp func |
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me_cmp_func sad_cmp[2]; |
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me_cmp_func sse_cmp[2]; |
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int (*sum_abs_dctelem)(const int16_t *block); |
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int intra_penalty; |
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} MPVEncContext; |
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typedef struct MPVMainEncContext { |
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MPVEncContext s; ///< The main slicecontext |
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int intra_only; ///< if true, only intra pictures are generated |
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int gop_size; |
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int max_b_frames; ///< max number of B-frames |
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int picture_in_gop_number; ///< 0-> first pic in gop, ... |
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int input_picture_number; ///< used to set pic->display_picture_number |
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int coded_picture_number; ///< used to set pic->coded_picture_number |
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MPVPicture *input_picture[MPVENC_MAX_B_FRAMES + 1]; ///< next pictures in display order |
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MPVPicture *reordered_input_picture[MPVENC_MAX_B_FRAMES + 1]; ///< next pictures in coded order |
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int64_t user_specified_pts; ///< last non-zero pts from user-supplied AVFrame |
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/** |
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* pts difference between the first and second input frame, used for |
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* calculating dts of the first frame when there's a delay */ |
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int64_t dts_delta; |
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/** |
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* reordered pts to be used as dts for the next output frame when there's |
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* a delay */ |
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int64_t reordered_pts; |
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/// temporary frames used by b_frame_strategy = 2 |
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AVFrame *tmp_frames[MPVENC_MAX_B_FRAMES + 2]; |
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int b_frame_strategy; |
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int b_sensitivity; |
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int brd_scale; |
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int scenechange_threshold; |
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int noise_reduction; |
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float border_masking; |
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int lmin, lmax; |
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int vbv_ignore_qmax; |
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/* MPEG-1/2 specific */ |
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int vbv_delay_pos; ///< offset of vbv_delay in the bitstream |
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const uint8_t *fcode_tab; ///< smallest fcode needed for each MV |
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/* frame skip options */ |
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int frame_skip_threshold; |
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int frame_skip_factor; |
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int frame_skip_exp; |
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int frame_skip_cmp; |
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me_cmp_func frame_skip_cmp_fn; |
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int (*encode_picture_header)(struct MPVMainEncContext *m); |
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/* bit rate control */ |
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int64_t bit_rate; |
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int64_t total_bits; |
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int frame_bits; ///< bits used for the current frame |
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int header_bits; |
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int stuffing_bits; ///< bits used for stuffing |
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int next_lambda; ///< next lambda used for retrying to encode a frame |
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int fixed_qscale; ///< fixed qscale if non zero |
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int last_lambda_for[5]; ///< last lambda for a specific pict type |
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int last_pict_type; //FIXME removes |
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int last_non_b_pict_type; ///< used for MPEG-4 gmc B-frames & ratecontrol |
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RateControlContext rc_context; ///< contains stuff only accessed in ratecontrol.c |
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int me_penalty_compensation; |
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int me_pre; ///< prepass for motion estimation |
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int64_t mb_var_sum; ///< sum of MB variance for current frame |
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int64_t mc_mb_var_sum; ///< motion compensated MB variance for current frame |
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char *me_map_base; ///< backs MotionEstContext.(map|score_map) |
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char *dct_error_sum_base; ///< backs dct_error_sum |
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int16_t (*mv_table_base)[2]; |
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} MPVMainEncContext; |
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static inline const MPVMainEncContext *slice_to_mainenc(const MPVEncContext *s) |
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{ |
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#ifdef NO_SLICE_THREADING_HERE |
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av_assert2(s->c.slice_context_count <= 1 && |
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!(s->c.avctx->codec->capabilities & AV_CODEC_CAP_SLICE_THREADS)); |
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return (const MPVMainEncContext*)s; |
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#else |
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return s->c.encparent; |
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#endif |
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} |
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#define MAX_FCODE 7 |
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#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level)) |
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#define INPLACE_OFFSET 16 |
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/* MB types for encoding */ |
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#define CANDIDATE_MB_TYPE_INTRA (1 << 0) |
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#define CANDIDATE_MB_TYPE_INTER (1 << 1) |
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#define CANDIDATE_MB_TYPE_INTER4V (1 << 2) |
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#define CANDIDATE_MB_TYPE_SKIPPED (1 << 3) |
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#define CANDIDATE_MB_TYPE_DIRECT (1 << 4) |
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#define CANDIDATE_MB_TYPE_FORWARD (1 << 5) |
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#define CANDIDATE_MB_TYPE_BACKWARD (1 << 6) |
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#define CANDIDATE_MB_TYPE_BIDIR (1 << 7) |
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#define CANDIDATE_MB_TYPE_INTER_I (1 << 8) |
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#define CANDIDATE_MB_TYPE_FORWARD_I (1 << 9) |
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#define CANDIDATE_MB_TYPE_BACKWARD_I (1 << 10) |
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#define CANDIDATE_MB_TYPE_BIDIR_I (1 << 11) |
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#define CANDIDATE_MB_TYPE_DIRECT0 (1 << 12) |
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/* mpegvideo_enc common options */ |
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#define FF_MPV_FLAG_SKIP_RD 0x0001 |
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#define FF_MPV_FLAG_STRICT_GOP 0x0002 |
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#define FF_MPV_FLAG_QP_RD 0x0004 |
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#define FF_MPV_FLAG_CBP_RD 0x0008 |
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#define FF_MPV_FLAG_NAQ 0x0010 |
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#define FF_MPV_FLAG_MV0 0x0020 |
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#define FF_MPV_OPT_CMP_FUNC \ |
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{ "sad", "Sum of absolute differences, fast", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "sse", "Sum of squared errors", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "satd", "Sum of absolute Hadamard transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_SATD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "dct", "Sum of absolute DCT transformed differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "psnr", "Sum of squared quantization errors, low quality", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_PSNR }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "bit", "Number of bits needed for the block", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_BIT }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "rd", "Rate distortion optimal, slow", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_RD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "zero", "Zero", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_ZERO }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "vsad", "Sum of absolute vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "vsse", "Sum of squared vertical differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_VSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "nsse", "Noise preserving sum of squared differences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_NSSE }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "dct264", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCT264 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "dctmax", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_CHROMA }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
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{ "msad", "Sum of absolute differences, median predicted", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_MEDIAN_SAD }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" } |
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#define FF_MPV_OFFSET(x) offsetof(MPVEncContext, x) |
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#define FF_MPV_MAIN_OFFSET(x) offsetof(MPVMainEncContext, x) |
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#define FF_RC_OFFSET(x) offsetof(MPVMainEncContext, rc_context.x) |
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#define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) |
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#define FF_MPV_COMMON_OPTS \ |
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FF_MPV_OPT_CMP_FUNC, \ |
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{ "mpv_flags", "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ |
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{ "skip_rd", "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_SKIP_RD }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ |
313 |
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{ "strict_gop", "Strictly enforce gop size", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ |
314 |
|
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{ "qp_rd", "Use rate distortion optimization for qp selection", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_QP_RD }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ |
315 |
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{ "cbp_rd", "use rate distortion optimization for CBP", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_CBP_RD }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ |
316 |
|
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{ "naq", "normalize adaptive quantization", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_NAQ }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ |
317 |
|
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{ "luma_elim_threshold", "single coefficient elimination threshold for luminance (negative values also consider dc coefficient)",\ |
318 |
|
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FF_MPV_OFFSET(luma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\ |
319 |
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{ "chroma_elim_threshold", "single coefficient elimination threshold for chrominance (negative values also consider dc coefficient)",\ |
320 |
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FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\ |
321 |
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{ "quantizer_noise_shaping", NULL, FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\ |
322 |
|
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{ "error_rate", "Simulate errors in the bitstream to test error concealment.", \ |
323 |
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FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\ |
324 |
|
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{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", \ |
325 |
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FF_RC_OFFSET(qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS}, \ |
326 |
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{"rc_qmod_amp", "experimental quantizer modulation", FF_RC_OFFSET(qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ |
327 |
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{"rc_qmod_freq", "experimental quantizer modulation", FF_RC_OFFSET(qmod_freq), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS}, \ |
328 |
|
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{"rc_eq", "Set rate control equation. When computing the expression, besides the standard functions " \ |
329 |
|
|
"defined in the section 'Expression Evaluation', the following functions are available: " \ |
330 |
|
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"bits2qp(bits), qp2bits(qp). Also the following constants are available: iTex pTex tex mv " \ |
331 |
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"fCode iCount mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex avgTex.", \ |
332 |
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FF_RC_OFFSET(rc_eq), AV_OPT_TYPE_STRING, .flags = FF_MPV_OPT_FLAGS }, \ |
333 |
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{"rc_init_cplx", "initial complexity for 1-pass encoding", FF_RC_OFFSET(initial_cplx), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ |
334 |
|
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{"rc_buf_aggressivity", "currently useless", FF_RC_OFFSET(buffer_aggressivity), AV_OPT_TYPE_FLOAT, {.dbl = 1.0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ |
335 |
|
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{"border_mask", "increase the quantizer for macroblocks close to borders", FF_MPV_MAIN_OFFSET(border_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \ |
336 |
|
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{"lmin", "minimum Lagrange factor (VBR)", FF_MPV_MAIN_OFFSET(lmin), AV_OPT_TYPE_INT, {.i64 = 2*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
337 |
|
|
{"lmax", "maximum Lagrange factor (VBR)", FF_MPV_MAIN_OFFSET(lmax), AV_OPT_TYPE_INT, {.i64 = 31*FF_QP2LAMBDA }, 0, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
338 |
|
|
{"skip_threshold", "Frame skip threshold", FF_MPV_MAIN_OFFSET(frame_skip_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
339 |
|
|
{"skip_factor", "Frame skip factor", FF_MPV_MAIN_OFFSET(frame_skip_factor), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
340 |
|
|
{"skip_exp", "Frame skip exponent", FF_MPV_MAIN_OFFSET(frame_skip_exp), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
341 |
|
|
{"skip_cmp", "Frame skip compare function", FF_MPV_MAIN_OFFSET(frame_skip_cmp), AV_OPT_TYPE_INT, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, .unit = "cmp_func" }, \ |
342 |
|
|
{"noise_reduction", "Noise reduction", FF_MPV_MAIN_OFFSET(noise_reduction), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
343 |
|
|
{"ps", "RTP payload size in bytes", FF_MPV_OFFSET(rtp_payload_size), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
344 |
|
|
|
345 |
|
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#define FF_MPV_COMMON_BFRAME_OPTS \ |
346 |
|
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{"b_strategy", "Strategy to choose between I/P/B-frames", FF_MPV_MAIN_OFFSET(b_frame_strategy), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 2, FF_MPV_OPT_FLAGS }, \ |
347 |
|
|
{"b_sensitivity", "Adjust sensitivity of b_frame_strategy 1", FF_MPV_MAIN_OFFSET(b_sensitivity), AV_OPT_TYPE_INT, {.i64 = 40 }, 1, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
348 |
|
|
{"brd_scale", "Downscale frames for dynamic B-frame decision", FF_MPV_MAIN_OFFSET(brd_scale), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, 3, FF_MPV_OPT_FLAGS }, |
349 |
|
|
|
350 |
|
|
#define FF_MPV_COMMON_MOTION_EST_OPTS \ |
351 |
|
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{ "mv0", "always try a mb with mv=<0,0>", 0, AV_OPT_TYPE_CONST, { .i64 = FF_MPV_FLAG_MV0 }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "mpv_flags" },\ |
352 |
|
|
{"motion_est", "motion estimation algorithm", FF_MPV_OFFSET(me.motion_est), AV_OPT_TYPE_INT, {.i64 = FF_ME_EPZS }, FF_ME_ZERO, FF_ME_XONE, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ |
353 |
|
|
{ "zero", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_ZERO }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ |
354 |
|
|
{ "epzs", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_EPZS }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ |
355 |
|
|
{ "xone", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = FF_ME_XONE }, 0, 0, FF_MPV_OPT_FLAGS, .unit = "motion_est" }, \ |
356 |
|
|
{"mepc", "Motion estimation bitrate penalty compensation (1.0 = 256)", FF_MPV_MAIN_OFFSET(me_penalty_compensation), AV_OPT_TYPE_INT, {.i64 = 256 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
357 |
|
|
{"mepre", "pre motion estimation", FF_MPV_MAIN_OFFSET(me_pre), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
358 |
|
|
{"intra_penalty", "Penalty for intra blocks in block decision", FF_MPV_OFFSET(intra_penalty), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX/2, FF_MPV_OPT_FLAGS }, \ |
359 |
|
|
{"sc_threshold", "Scene change threshold", FF_MPV_MAIN_OFFSET(scenechange_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS }, \ |
360 |
|
|
|
361 |
|
|
extern const AVClass ff_mpv_enc_class; |
362 |
|
|
|
363 |
|
|
int ff_mpv_encode_init(AVCodecContext *avctx); |
364 |
|
|
|
365 |
|
|
int ff_mpv_encode_end(AVCodecContext *avctx); |
366 |
|
|
int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket *pkt, |
367 |
|
|
const AVFrame *frame, int *got_packet); |
368 |
|
|
int ff_mpv_reallocate_putbitbuffer(MPVEncContext *s, size_t threshold, size_t size_increase); |
369 |
|
|
|
370 |
|
|
void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix); |
371 |
|
|
|
372 |
|
|
void ff_dct_encode_init(MPVEncContext *s); |
373 |
|
|
void ff_mpvenc_dct_init_mips(MPVEncContext *s); |
374 |
|
|
void ff_dct_encode_init_x86(MPVEncContext *s); |
375 |
|
|
|
376 |
|
|
void ff_convert_matrix(MPVEncContext *s, int (*qmat)[64], uint16_t (*qmat16)[2][64], |
377 |
|
|
const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra); |
378 |
|
|
|
379 |
|
|
void ff_block_permute(int16_t *block, const uint8_t *permutation, |
380 |
|
|
const uint8_t *scantable, int last); |
381 |
|
|
|
382 |
|
5861413 |
static inline int get_bits_diff(MPVEncContext *s) |
383 |
|
|
{ |
384 |
|
5861413 |
const int bits = put_bits_count(&s->pb); |
385 |
|
5861413 |
const int last = s->last_bits; |
386 |
|
|
|
387 |
|
5861413 |
s->last_bits = bits; |
388 |
|
|
|
389 |
|
5861413 |
return bits - last; |
390 |
|
|
} |
391 |
|
|
|
392 |
|
|
#endif |
393 |
|
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|