[FFmpeg-devel] [PATCH v2] add prores bitstream demuxer and muxer

Tomas Härdin git at haerdin.se
Tue Jul 25 14:47:47 EEST 2023


> +static int prores_check_frame_header(const uint8_t *buf, const int
> data_size)
> +{
> +    int hdr_size, width, height;
> +    int version, alpha_info;
> +
> +    hdr_size = AV_RB16(buf);
> +    if (hdr_size < FRAME_FIXED_HEADER_SIZE)
> +        return AVERROR_INVALIDDATA;
> +
> +    version = buf[3];
> +    if (version > 1)
> +        return AVERROR_INVALIDDATA;
> +
> +    width  = AV_RB16(buf + 8);
> +    height = AV_RB16(buf + 10);
> +    if (width < 16 || height < 16)

As others pointed out, is there a maximum width or height also, or
perhaps a maximum width*height?

/Tomas


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