/*
* Ratecontrol
- * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
+ * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * Libav 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * Libav 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 this library; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define AVCODEC_RATECONTROL_H
/**
- * @file ratecontrol.h
+ * @file
* ratecontrol header.
*/
+#include <stdio.h>
+#include <stdint.h>
+#include "libavutil/eval.h"
+
typedef struct Predictor{
double coeff;
double count;
* 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
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 pass1_wanted_bits; ///< bits which should have been output 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;
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
+ AVExpr * 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 */
-