[FFmpeg-devel] [PATCH 5/5] img2dec: make use of AV_OPT_TYPE_IMAGE_SIZE

Stefano Sabatini stefasab at gmail.com
Fri Apr 5 17:24:16 CEST 2013


On date Friday 2013-04-05 15:09:28 +0000, Paul B Mahol encoded:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  libavformat/img2dec.c | 19 ++++++-------------
>  1 file changed, 6 insertions(+), 13 deletions(-)
> 
> diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
> index 2929d2e..dc7ac1e 100644
> --- a/libavformat/img2dec.c
> +++ b/libavformat/img2dec.c
> @@ -52,7 +52,7 @@ typedef struct {
>      int split_planes;       /**< use independent file for each Y, U, V plane */
>      char path[1024];
>      char *pixel_format;     /**< Set by a private option. */
> -    char *video_size;       /**< Set by a private option. */
> +    int width, height;      /**< Set by a private option. */
>      AVRational framerate;   /**< Set by a private option. */
>      int loop;
>      enum { PT_GLOB_SEQUENCE, PT_GLOB, PT_SEQUENCE } pattern_type;
> @@ -193,8 +193,7 @@ static int img_read_probe(AVProbeData *p)
>  static int img_read_header(AVFormatContext *s1)
>  {
>      VideoDemuxData *s = s1->priv_data;
> -    int first_index, last_index, ret = 0;
> -    int width = 0, height = 0;
> +    int first_index, last_index;
>      AVStream *st;
>      enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
>  
> @@ -211,12 +210,6 @@ static int img_read_header(AVFormatContext *s1)
>                 s->pixel_format);
>          return AVERROR(EINVAL);
>      }
> -    if (s->video_size &&
> -        (ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
> -        av_log(s, AV_LOG_ERROR,
> -               "Could not parse video size: %s.\n", s->video_size);
> -        return ret;
> -    }
>  
>      av_strlcpy(s->path, s1->filename, sizeof(s->path));
>      s->img_number = 0;
> @@ -232,9 +225,9 @@ static int img_read_header(AVFormatContext *s1)
>  
>      avpriv_set_pts_info(st, 60, s->framerate.den, s->framerate.num);
>  
> -    if (width && height) {
> -        st->codec->width  = width;
> -        st->codec->height = height;
> +    if (s->width && s->height) {
> +        st->codec->width  = s->width;
> +        st->codec->height = s->height;
>      }
>  
>      if (!s->is_pipe) {
> @@ -449,7 +442,7 @@ static const AVOption options[] = {
>      { "pixel_format", "set video pixel format",              OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0,       DEC },
>      { "start_number", "set first number in the sequence",    OFFSET(start_number), AV_OPT_TYPE_INT,    {.i64 = 0   }, 0, INT_MAX, DEC },
>      { "start_number_range", "set range for looking at the first sequence number", OFFSET(start_number_range), AV_OPT_TYPE_INT, {.i64 = 5}, 1, INT_MAX, DEC },
> -    { "video_size",   "set video size",                      OFFSET(video_size),   AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0,       DEC },
> +    { "video_size",   "set video size",                      OFFSET(width),   AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0,   DEC },
>      { "frame_size",   "force frame size in bytes",           OFFSET(frame_size),   AV_OPT_TYPE_INT,    {.i64 = 0   }, 0, INT_MAX, DEC },
>      { NULL },
>  };

LGTM.
-- 
FFmpeg = Faithful and Fancy Magical Practical Ecletic Geisha


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