[x265] [PATCH 4 of 6] rc: add 2 pass states in RateControl

[Steve Borho]

On Sun, Jun 15, 2014 at 1:50 PM,  <aarthi at multicorewareinc.com> wrote:
> # HG changeset patch
> # User Aarthi Thirumalai<aarthi at multicorewareinc.com>
> # Date 1402857908 -19800
> #      Mon Jun 16 00:15:08 2014 +0530
> # Node ID 9e0a1f70169df85350507de83c27eeae172e7547
> # Parent  5c2aee7700a3e222989fadabcb9ba9b1b3291fbd
> rc: add 2 pass states in RateControl
>
> diff -r 5c2aee7700a3 -r 9e0a1f70169d source/encoder/ratecontrol.h
> --- a/source/encoder/ratecontrol.h      Mon Jun 16 00:04:10 2014 +0530
> +++ b/source/encoder/ratecontrol.h      Mon Jun 16 00:15:08 2014 +0530
> @@ -137,6 +137,30 @@
>      double   m_nominalRemovalTime;
>      double   m_prevCpbFinalAT;
>
> +    /*2 pass */

white-space

> +    bool m_2pass;
> +    FILE *m_statFileOut;
> +    char *m_statFileTmpname;
> +    FILE *m_cutreeStatFileOut;
> +    char *m_cutreeStatFileTmpname;
> +    char *m_cbtreeStatFileName;
> +    FILE *m_cutreeStatFileIn;

are filenames required here?

> +
> +    struct
> +    {
> +        uint16_t *qpBuffer[2]; /* Global buffers for converting MB-tree quantizer data. */
> +        int qpbufPos;          /* In order to handle pyramid reordering, QP buffer acts as a stack.
> +                                * This value is the current position (0 or 1). */
> +        int srcCuCount;
> +        /* For rescaling */
> +        int rescaleEnabled;
> +        float *scaleBuffer[2]; /* Intermediate buffers */
> +        int filtersize[2];     /* filter size (H/V) */
> +        float *coeffs[2];
> +        int *pos[2];
> +        int srcdim[2];         /* Source dimensions (W/H) */
> +    } m_cuTreeStats;
> +
>      RateControl(x265_param *p);
>
>      // to be called for each frame to process RateControl and set QP
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-- 
Steve Borho