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videolevels: skip LUT calculation if in passthrough mode

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This commit is contained in:
Joshua M. Doe 2017-09-25 15:02:16 -04:00
parent 741f91f488
commit 034971d860
1 changed files with 21 additions and 17 deletions
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4
gst/videoadjust/gstvideolevels.c
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@ -602,6 +602,7 @@ gst_videolevels_calculate_lut_uint16_to_uint8 (GstVideoLevels * videolevels,
gst_videolevels_check_passthrough (videolevels);
if (!videolevels->passthrough) {
low_in = videolevels->lower_input;
high_in = videolevels->upper_input;
@ -623,6 +624,7 @@ gst_videolevels_calculate_lut_uint16_to_uint8 (GstVideoLevels * videolevels,
lut[i] = GUINT8_CLAMP (m * GUINT16_FROM_BE (i) + b, low_out, high_out);
else
g_assert_not_reached ();
}
}
/**
@ -802,6 +804,8 @@ gst_videolevels_check_passthrough (GstVideoLevels * levels)
passthrough = FALSE;
}
if (passthrough != levels->passthrough) {
GST_DEBUG_OBJECT (levels, "Passthrough mode: %s",
passthrough ? "ENABLED" : "DISABLED");
levels->passthrough = passthrough;
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (levels),
levels->passthrough);