[FFmpeg-devel] [PATCH 1/5] lavu/opt: add AV_OPT_TYPE_COLOR

Stefano Sabatini stefasab at gmail.com
Thu May 16 23:34:36 CEST 2013


On date Monday 2013-05-13 15:11:36 +0000, Paul B Mahol encoded:
> Signed-off-by: Paul B Mahol <onemda at gmail.com>
> ---
>  doc/APIchanges  |  3 +++
>  libavutil/opt.c | 25 ++++++++++++++++++++++++-
>  libavutil/opt.h |  1 +
>  3 files changed, 28 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/APIchanges b/doc/APIchanges
> index 4e5e5bd..ddf023d 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -15,6 +15,9 @@ libavutil:     2012-10-22
>  
>  API changes, most recent first:
>  
> +2013-03-20 - xxxxxxx - lavu 52.32.100 - opt.h
> +  Add AV_OPT_TYPE_COLOR value to AVOptionType enum.
> +
>  2013-05-13 - xxxxxxx - lavu 52.31.100 - mem.h
>    Add av_dynarray2_add().
>  
> diff --git a/libavutil/opt.c b/libavutil/opt.c
> index 0e7a3a8..1f0d6d0 100644
> --- a/libavutil/opt.c
> +++ b/libavutil/opt.c
> @@ -259,7 +259,7 @@ int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
>      if (!val && (o->type != AV_OPT_TYPE_STRING &&
>                   o->type != AV_OPT_TYPE_PIXEL_FMT && o->type != AV_OPT_TYPE_SAMPLE_FMT &&
>                   o->type != AV_OPT_TYPE_IMAGE_SIZE && o->type != AV_OPT_TYPE_VIDEO_RATE &&
> -                 o->type != AV_OPT_TYPE_DURATION))
> +                 o->type != AV_OPT_TYPE_DURATION && o->type != AV_OPT_TYPE_COLOR))
>          return AVERROR(EINVAL);
>  
>      dst = ((uint8_t*)target_obj) + o->offset;
> @@ -331,6 +331,16 @@ int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
>                  av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as duration\n", val);
>              return ret;
>          }
> +        break;
> +    case AV_OPT_TYPE_COLOR:
> +        if (!val) {
> +            return 0;
> +        } else {
> +            ret = av_parse_color(dst, val, -1, obj);
> +            if (ret < 0)
> +                av_log(obj, AV_LOG_ERROR, "Unable to parse option value \"%s\" as color\n", val);
> +            return ret;
> +        }
>      }
>  
>      av_log(obj, AV_LOG_ERROR, "Invalid option type.\n");
> @@ -617,6 +627,9 @@ int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
>                         i64 / 3600000000, (int)((i64 / 60000000) % 60),
>                         (int)((i64 / 1000000) % 60), (int)(i64 % 1000000));
>          break;
> +    case AV_OPT_TYPE_COLOR:
> +        ret = snprintf(buf, sizeof(buf), "0x%02x%02x%02x%02x", ((int *)dst)[0], ((int *)dst)[1], ((int *)dst)[2], ((int *)dst)[3]);
> +        break;
>      default:
>          return AVERROR(EINVAL);
>      }
> @@ -886,6 +899,9 @@ static void opt_list(void *obj, void *av_log_obj, const char *unit,
>              case AV_OPT_TYPE_DURATION:
>                  av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<duration>");
>                  break;
> +            case AV_OPT_TYPE_COLOR:
> +                av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "<color>");
> +                break;
>              case AV_OPT_TYPE_CONST:
>              default:
>                  av_log(av_log_obj, AV_LOG_INFO, "%-12s ", "");
> @@ -978,6 +994,7 @@ void av_opt_set_defaults2(void *s, int mask, int flags)
>                  av_opt_set_q(s, opt->name, val, 0);
>              }
>              break;
> +            case AV_OPT_TYPE_COLOR:
>              case AV_OPT_TYPE_STRING:
>              case AV_OPT_TYPE_IMAGE_SIZE:
>              case AV_OPT_TYPE_VIDEO_RATE:
> @@ -1334,6 +1351,7 @@ int av_opt_query_ranges_default(AVOptionRanges **ranges_arg, void *obj, const ch
>      case AV_OPT_TYPE_FLOAT:
>      case AV_OPT_TYPE_DOUBLE:
>      case AV_OPT_TYPE_DURATION:
> +    case AV_OPT_TYPE_COLOR:
>          break;
>      case AV_OPT_TYPE_STRING:
>          range->component_min = 0;
> @@ -1400,6 +1418,7 @@ typedef struct TestContext
>      enum AVPixelFormat pix_fmt;
>      enum AVSampleFormat sample_fmt;
>      int64_t duration;
> +    uint8_t color[4];
>  } TestContext;
>  
>  #define OFFSET(x) offsetof(TestContext, x)
> @@ -1422,6 +1441,7 @@ static const AVOption test_options[]= {
>  {"sample_fmt", "set samplefmt", OFFSET(sample_fmt), AV_OPT_TYPE_SAMPLE_FMT, {.i64 = AV_SAMPLE_FMT_NONE}, -1, AV_SAMPLE_FMT_NB-1},
>  {"video_rate", "set videorate", OFFSET(video_rate), AV_OPT_TYPE_VIDEO_RATE,  {.str = "25"}, 0,     0                   },
>  {"duration", "set duration",   OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = 0}, 0, INT64_MAX},
> +{"color", "set color",   OFFSET(color), AV_OPT_TYPE_COLOR, {.str = "pink"}, 0, 0},
>  {NULL},
>  };
>  
> @@ -1480,6 +1500,9 @@ int main(void)
>              "duration=bogus",
>              "duration=123.45",
>              "duration=1\\:23\\:45.67",
> +            "color=blue",
> +            "color=0x223300",
> +            "color=0x42FF07AA",
>          };
>  
>          test_ctx.class = &test_class;
> diff --git a/libavutil/opt.h b/libavutil/opt.h
> index 7f7b54e..2344aa7 100644
> --- a/libavutil/opt.h
> +++ b/libavutil/opt.h
> @@ -232,6 +232,7 @@ enum AVOptionType{
>      AV_OPT_TYPE_SAMPLE_FMT = MKBETAG('S','F','M','T'),
>      AV_OPT_TYPE_VIDEO_RATE = MKBETAG('V','R','A','T'), ///< offset must point to AVRational
>      AV_OPT_TYPE_DURATION   = MKBETAG('D','U','R',' '),
> +    AV_OPT_TYPE_COLOR      = MKBETAG('C','O','L','R'),
>  #if FF_API_OLD_AVOPTIONS
>      FF_OPT_TYPE_FLAGS = 0,
>      FF_OPT_TYPE_INT,
> -- 
> 1.7.11.2

LGTM, thanks.
-- 
FFmpeg = Free and Freak Multimedia Patchable Elitarian Geek


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