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

Tomas Härdin git at haerdin.se
Mon Jul 24 18:25:14 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 < 20)
> +        return AVERROR_INVALIDDATA;
> +
> +    version = buf[3];
> +    if (version > 1)
> +        return AVERROR_INVALIDDATA;
> +
> +    width  = AV_RB16(buf + 8);
> +    height = AV_RB16(buf + 10);
> +    if (!width || !height)
> +        return AVERROR_INVALIDDATA;

av_image_check_size2(). Also is this not already checked elsewhere?

/Tomas


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