Not really "deinterlacing", it would be "add interlaced file support" or
similar.
On Mon, 21 May 2018 at 20:17 Gagandeep Singh <deepgagan231...@gmail.com>
wrote:
> +static inline void peak_table(int16_t *band, Peak *peak, int length)
> +{
> + int i;
> + for (i = 0; i < length; i++)
> + if (abs(band[i]) > peak->level)
> + band[i] = *(++peak->base);
> }
>
Pretty sure you need to start from the first base entry, not the sencond
so, peak->base++;
static inline void process_alpha(int16_t *alpha, int width)
> @@ -154,6 +194,26 @@ static inline void filter(int16_t *output, ptrdiff_t
> out_stride,
> }
> }
>
> +static inline void interlaced_vertical_filter(int16_t *output, int16_t
> *low, int16_t *high,
> + int width, int linesize, int plane)
> +{
> + int i;
> + int16_t even, odd;
> + for (i = 0; i < width; i++) {
> + even = (*low - *high)/2;
> + odd = (*low + *high)/2;
> +
> + even = FFMIN(1023, even);
> + even = FFMAX(0, even);
> + odd = FFMIN(1023, odd);
> + odd = FFMAX(0, odd);
>
av_clip functions to do this.
> + output[i] = even;
> + output[i + linesize] = odd;
> + low++;
> + high++;
> + }
> +}
>
Probably need to validate you haven't overread buffer with peak detection.
Kieran
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