Am Sa., 27. Juni 2020 um 20:11 Uhr schrieb <[email protected]>:
> +static int ff_pgx_decode_header(AVCodecContext *avctx, PGXContext * s,
> + int *depth, int *width, int *height,
> + int *sign)
> +{
> + const char *header_start = "PG ML ";
> + int byte;
> +
> + if (bytestream2_get_bytes_left(&s->g) < 13) {
> + return AVERROR_INVALIDDATA;
> + }
Do other decoders do this for 13 bytes or less?
> + // Checks whether file starts with "PG ML "
> + if (memcmp(header_start, s->g.buffer, 6))
> + return AVERROR_INVALIDDATA;
If you really have to keep this why isn't it:
memcmp("PG ML ", s->g.buffer, 6)
which would make the ugly comment go away?
Carl Eugen
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