[FFmpeg-devel] [PATCH 03/10] bktr: use AV_OPT_TYPE_IMAGE_SIZE.

Stefano Sabatini stefasab at gmail.com
Sun May 20 17:58:33 CEST 2012


On date Sunday 2012-05-20 15:39:18 +0200, Nicolas George encoded:
> 
> Signed-off-by: Nicolas George <nicolas.george at normalesup.org>
> ---
>  libavdevice/bktr.c |   17 ++++-------------
>  1 file changed, 4 insertions(+), 13 deletions(-)
> 
> 
> Completely untested.
> 
> 
> diff --git a/libavdevice/bktr.c b/libavdevice/bktr.c
> index c0a6cd7..4bb80a8 100644
> --- a/libavdevice/bktr.c
> +++ b/libavdevice/bktr.c
> @@ -56,7 +56,6 @@ typedef struct {
>      int width, height;
>      uint64_t per_frame;
>      int standard;
> -    char *video_size; /**< String describing video size, set by a private option. */
>      char *framerate;  /**< Set by a private option. */
>  } VideoData;
>  
> @@ -246,15 +245,9 @@ static int grab_read_header(AVFormatContext *s1)
>  {
>      VideoData *s = s1->priv_data;
>      AVStream *st;
> -    int width, height;
>      AVRational framerate;
>      int ret = 0;
>  
> -    if ((ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
> -        av_log(s1, AV_LOG_ERROR, "Could not parse video size '%s'.\n", s->video_size);
> -        goto out;
> -    }
> -
>      if (!s->framerate)
>          switch (s->standard) {
>          case PAL:   s->framerate = av_strdup("pal");  break;
> @@ -277,20 +270,18 @@ static int grab_read_header(AVFormatContext *s1)
>      }
>      avpriv_set_pts_info(st, 64, 1, 1000000); /* 64 bits pts in use */
>  
> -    s->width = width;
> -    s->height = height;
>      s->per_frame = ((uint64_t)1000000 * framerate.den) / framerate.num;
>  
>      st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
>      st->codec->pix_fmt = PIX_FMT_YUV420P;
>      st->codec->codec_id = CODEC_ID_RAWVIDEO;
> -    st->codec->width = width;
> -    st->codec->height = height;
> +    st->codec->width = s->width;
> +    st->codec->height = s->height;
>      st->codec->time_base.den = framerate.num;
>      st->codec->time_base.num = framerate.den;
>  
>  
> -    if (bktr_init(s1->filename, width, height, s->standard,
> +    if (bktr_init(s1->filename, s->width, s->height, s->standard,
>                    &s->video_fd, &s->tuner_fd, -1, 0.0) < 0) {
>          ret = AVERROR(EIO);
>          goto out;
> @@ -331,7 +322,7 @@ static const AVOption options[] = {
>      { "PALN",     "", 0, AV_OPT_TYPE_CONST, {.dbl = PALN},  0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
>      { "PALM",     "", 0, AV_OPT_TYPE_CONST, {.dbl = PALM},  0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
>      { "NTSCJ",    "", 0, AV_OPT_TYPE_CONST, {.dbl = NTSCJ}, 0, 0, AV_OPT_FLAG_DECODING_PARAM, "standard" },
> -    { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = "vga"}, 0, 0, DEC },
> +    { "video_size", "A string describing frame size, such as 640x480 or hd720.", OFFSET(width), AV_OPT_TYPE_IMAGE_SIZE, {.str = "vga"}, 0, 0, DEC },
>      { "framerate", "", OFFSET(framerate), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
>      { NULL },
>  };

Should be fine.
-- 
FFmpeg = Foolish Freak Magic Portable Erudite Gladiator


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