[FFmpeg-devel] [PATCH 3/5] rawvideodec: make use of AV_OPT_TYPE_IMAGE_SIZE

Stefano Sabatini stefasab at gmail.com
Fri Apr 5 17:22:44 CEST 2013


On date Friday 2013-04-05 15:09:26 +0000, Paul B Mahol encoded:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  libavformat/rawvideodec.c | 17 +++++------------
>  1 file changed, 5 insertions(+), 12 deletions(-)
> 
> diff --git a/libavformat/rawvideodec.c b/libavformat/rawvideodec.c
> index d07d172..cbcae43 100644
> --- a/libavformat/rawvideodec.c
> +++ b/libavformat/rawvideodec.c
> @@ -27,7 +27,7 @@
>  
>  typedef struct RawVideoDemuxerContext {
>      const AVClass *class;     /**< Class for private options. */
> -    char *video_size;         /**< String describing video size, set by a private option. */
> +    int width, height;        /**< Integers describing video size, set by a private option. */
>      char *pixel_format;       /**< Set by a private option. */
>      AVRational framerate;     /**< AVRational describing framerate, set by a private option. */
>  } RawVideoDemuxerContext;
> @@ -36,7 +36,6 @@ typedef struct RawVideoDemuxerContext {
>  static int rawvideo_read_header(AVFormatContext *ctx)
>  {
>      RawVideoDemuxerContext *s = ctx->priv_data;
> -    int width = 0, height = 0, ret = 0;
>      enum AVPixelFormat pix_fmt;
>      AVStream *st;
>  
> @@ -48,12 +47,6 @@ static int rawvideo_read_header(AVFormatContext *ctx)
>  
>      st->codec->codec_id = ctx->iformat->raw_codec_id;
>  
> -    if (s->video_size &&
> -        (ret = av_parse_video_size(&width, &height, s->video_size)) < 0) {
> -        av_log(ctx, AV_LOG_ERROR, "Couldn't parse video size.\n");
> -        return ret;
> -    }
> -
>      if ((pix_fmt = av_get_pix_fmt(s->pixel_format)) == AV_PIX_FMT_NONE) {
>          av_log(ctx, AV_LOG_ERROR, "No such pixel format: %s.\n",
>                 s->pixel_format);
> @@ -62,10 +55,10 @@ static int rawvideo_read_header(AVFormatContext *ctx)
>  
>      avpriv_set_pts_info(st, 64, s->framerate.den, s->framerate.num);
>  
> -    st->codec->width  = width;
> -    st->codec->height = height;
> +    st->codec->width  = s->width;
> +    st->codec->height = s->height;
>      st->codec->pix_fmt = pix_fmt;
> -    st->codec->bit_rate = av_rescale_q(avpicture_get_size(st->codec->pix_fmt, width, height),
> +    st->codec->bit_rate = av_rescale_q(avpicture_get_size(st->codec->pix_fmt, s->width, s->height),
>                                         (AVRational){8,1}, st->time_base);
>  
>      return 0;
> @@ -96,7 +89,7 @@ static int rawvideo_read_packet(AVFormatContext *s, AVPacket *pkt)
>  #define OFFSET(x) offsetof(RawVideoDemuxerContext, x)
>  #define DEC AV_OPT_FLAG_DECODING_PARAM
>  static const AVOption rawvideo_options[] = {
> -    { "video_size", "set frame size", OFFSET(video_size), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC },
> +    { "video_size", "set frame size", OFFSET(width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, DEC },
>      { "pixel_format", "set pixel format", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = "yuv420p"}, 0, 0, DEC },
>      { "framerate", "set frame rate", OFFSET(framerate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, DEC },
>      { NULL },

LGTM.
-- 
FFmpeg = Free Friendly Mind-dumbing Pacific Ecumenical Genius


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