-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;
- uint64_t expected_bits;
- int new_pict_type;
- float new_qscale;
- int mc_mb_var_sum;
- int mb_var_sum;
- int i_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;
-}RateControlContext;