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sws_utils: remove some unnecessary sws bug work around 

Seems like this was needed in 2012. The comment indicates the bug was
fixed in ffmpeg git, so it's long gone.
This commit is contained in:
wm4 2019-11-03 22:48:49 +01:00
parent 67e17f1104
commit a19571679f
1 changed files with 0 additions and 11 deletions
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11
video/sws_utils.c
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@ -251,11 +251,6 @@ int mp_sws_reinit(struct mp_sws_context *ctx)
mp_image_params_guess_csp(src); // sanitize colorspace/colorlevels
mp_image_params_guess_csp(dst);
struct mp_imgfmt_desc src_fmt = mp_imgfmt_get_desc(src->imgfmt);
struct mp_imgfmt_desc dst_fmt = mp_imgfmt_get_desc(dst->imgfmt);
if (!src_fmt.id || !dst_fmt.id)
return -1;
enum AVPixelFormat s_fmt = imgfmt2pixfmt(src->imgfmt);
if (s_fmt == AV_PIX_FMT_NONE || sws_isSupportedInput(s_fmt) < 1) {
MP_ERR(ctx, "Input image format %s not supported by libswscale.\n",
@ -276,12 +271,6 @@ int mp_sws_reinit(struct mp_sws_context *ctx)
int d_csp = mp_csp_to_sws_colorspace(dst->color.space);
int d_range = dst->color.levels == MP_CSP_LEVELS_PC;
// Work around libswscale bug #1852 (fixed in ffmpeg commit 8edf9b1fa):
// setting range flags for RGB gives random bogus results.
// Newer libswscale always ignores range flags for RGB.
s_range = s_range && (src_fmt.flags & MP_IMGFLAG_YUV);
d_range = d_range && (dst_fmt.flags & MP_IMGFLAG_YUV);
av_opt_set_int(ctx->sws, "sws_flags", ctx->flags, 0);
av_opt_set_int(ctx->sws, "srcw", src->w, 0);