[FFmpeg-devel] [PATCH v13 1/2] libavformat: add DVD-Video demuxer, powered by libdvdnav and libdvdread

Anton Khirnov anton at khirnov.net
Fri Feb 16 13:38:43 EET 2024


Quoting Marth64 (2024-02-11 19:09:16)
> +static int dvdvideo_video_stream_add(AVFormatContext *s,
> +                                     DVDVideoVTSVideoStreamEntry *entry,
> +                                     enum AVStreamParseType need_parsing)
> +{
> +    AVStream *st;
> +    FFStream *sti;
> +
> +    st = avformat_new_stream(s, NULL);
> +    if (!st)
> +        return AVERROR(ENOMEM);
> +
> +    st->id = entry->startcode;
> +    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
> +    st->codecpar->codec_id = entry->codec_id;
> +    st->codecpar->width = entry->width;
> +    st->codecpar->height = entry->height;
> +    st->codecpar->format = AV_PIX_FMT_YUV420P;
> +    st->codecpar->color_range = AVCOL_RANGE_MPEG;
> +
> +    st->codecpar->framerate = entry->framerate;

Demuxers are not supposed to set this, it's for the codec-layer
framerate information.

> +#if FF_API_R_FRAME_RATE
> +    st->r_frame_rate = entry->framerate;
> +#endif
> +    st->avg_frame_rate = entry->framerate;
> +
> +    sti = ffstream(st);
> +    sti->request_probe = 0;
> +    sti->need_parsing = need_parsing;
> +    sti->display_aspect_ratio = entry->dar;
> +    sti->avctx->framerate = entry->framerate;

This neither.

-- 
Anton Khirnov


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