diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/ratecontrol.h')
-rw-r--r-- | src/libffmpeg/libavcodec/ratecontrol.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/src/libffmpeg/libavcodec/ratecontrol.h b/src/libffmpeg/libavcodec/ratecontrol.h deleted file mode 100644 index c428923a5..000000000 --- a/src/libffmpeg/libavcodec/ratecontrol.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Ratecontrol - * Copyright (c) 2000, 2001, 2002 Fabrice Bellard. - * Copyright (c) 2002-2004 Michael Niedermayer - * - * 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 - */ - -#ifndef AVCODEC_RATECONTROL_H -#define AVCODEC_RATECONTROL_H - -/** - * @file ratecontrol.h - * ratecontrol header. - */ - -#include "eval.h" - -typedef struct Predictor{ - double coeff; - double count; - double decay; -} Predictor; - -typedef struct RateControlEntry{ - int pict_type; - float qscale; - int mv_bits; - int i_tex_bits; - int p_tex_bits; - int misc_bits; - int header_bits; - uint64_t expected_bits; - int new_pict_type; - float new_qscale; - int mc_mb_var_sum; - int mb_var_sum; - int i_count; - int skip_count; - int f_code; - int b_code; -}RateControlEntry; - -/** - * rate control context. - */ -typedef struct RateControlContext{ - FILE *stats_file; - int num_entries; ///< number of RateControlEntries - RateControlEntry *entry; - double buffer_index; ///< amount of bits in the video/audio buffer - Predictor pred[5]; - double short_term_qsum; ///< sum of recent qscales - double short_term_qcount; ///< count of recent qscales - double pass1_rc_eq_output_sum;///< sum of the output of the rc equation, this is used for normalization - double pass1_wanted_bits; ///< bits which should have been outputed by the pass1 code (including complexity init) - double last_qscale; - double last_qscale_for[5]; ///< last qscale for a specific pict type, used for max_diff & ipb factor stuff - int last_mc_mb_var_sum; - int last_mb_var_sum; - uint64_t i_cplx_sum[5]; - uint64_t p_cplx_sum[5]; - uint64_t mv_bits_sum[5]; - uint64_t qscale_sum[5]; - int frame_count[5]; - int last_non_b_pict_type; - - void *non_lavc_opaque; ///< context for non lavc rc code (for example xvid) - float dry_run_qscale; ///< for xvid rc - int last_picture_number; ///< for xvid rc - AVEvalExpr * rc_eq_eval; -}RateControlContext; - -struct MpegEncContext; - -/* rate control */ -int ff_rate_control_init(struct MpegEncContext *s); -float ff_rate_estimate_qscale(struct MpegEncContext *s, int dry_run); -void ff_write_pass1_stats(struct MpegEncContext *s); -void ff_rate_control_uninit(struct MpegEncContext *s); -int ff_vbv_update(struct MpegEncContext *s, int frame_size); -void ff_get_2pass_fcode(struct MpegEncContext *s); - -int ff_xvid_rate_control_init(struct MpegEncContext *s); -void ff_xvid_rate_control_uninit(struct MpegEncContext *s); -float ff_xvid_rate_estimate_qscale(struct MpegEncContext *s, int dry_run); - -#endif /* AVCODEC_RATECONTROL_H */ - |