diff options
| -rw-r--r-- | libavfilter/vf_scale.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c index b1d97af4e0..c4605c72ce 100644 --- a/libavfilter/vf_scale.c +++ b/libavfilter/vf_scale.c @@ -178,25 +178,31 @@ static int query_formats(AVFilterContext *ctx) int ret; if (ctx->inputs[0]) { + const AVPixFmtDescriptor *desc = NULL; formats = NULL; - for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++) + while ((desc = av_pix_fmt_desc_next(desc))) { + pix_fmt = av_pix_fmt_desc_get_id(desc); if ((sws_isSupportedInput(pix_fmt) || sws_isSupportedEndiannessConversion(pix_fmt)) && (ret = ff_add_format(&formats, pix_fmt)) < 0) { ff_formats_unref(&formats); return ret; } + } ff_formats_ref(formats, &ctx->inputs[0]->out_formats); } if (ctx->outputs[0]) { + const AVPixFmtDescriptor *desc = NULL; formats = NULL; - for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++) + while ((desc = av_pix_fmt_desc_next(desc))) { + pix_fmt = av_pix_fmt_desc_get_id(desc); if ((sws_isSupportedOutput(pix_fmt) || pix_fmt == AV_PIX_FMT_PAL8 || sws_isSupportedEndiannessConversion(pix_fmt)) && (ret = ff_add_format(&formats, pix_fmt)) < 0) { ff_formats_unref(&formats); return ret; } + } ff_formats_ref(formats, &ctx->outputs[0]->in_formats); } |