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| author | Wim Taymans <wtaymans@redhat.com> | 2014-09-24 11:04:15 +0200 |
|---|---|---|
| committer | Wim Taymans <wtaymans@redhat.com> | 2014-09-24 15:59:39 +0200 |
| commit | 0c40b83ed49c4f6a3941b7e71d826648099033e4 (patch) | |
| tree | c9822d742e3c091c701a097095ea7555f620b66c /gst/videoconvert | |
| parent | 8242676dc20b0a9b5dcac9a0e8048fc672d3b314 (diff) | |
| download | gstreamer-plugins-base-0c40b83ed49c4f6a3941b7e71d826648099033e4.tar.gz | |
video-color: add gst_video_color_matrix_get_Kr_Kb()
Move the function to get the color matrix coefficients from
videoconvert to the video library.
Diffstat (limited to 'gst/videoconvert')
| -rw-r--r-- | gst/videoconvert/videoconvert.c | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/gst/videoconvert/videoconvert.c b/gst/videoconvert/videoconvert.c index 380822dae..a78218b56 100644 --- a/gst/videoconvert/videoconvert.c +++ b/gst/videoconvert/videoconvert.c @@ -183,39 +183,6 @@ videoconvert_convert_matrix16 (VideoConvert * convert, gpointer pixels) } static gboolean -get_Kr_Kb (GstVideoColorMatrix matrix, gdouble * Kr, gdouble * Kb) -{ - gboolean res = TRUE; - - switch (matrix) { - /* RGB */ - default: - case GST_VIDEO_COLOR_MATRIX_RGB: - res = FALSE; - break; - /* YUV */ - case GST_VIDEO_COLOR_MATRIX_FCC: - *Kr = 0.30; - *Kb = 0.11; - break; - case GST_VIDEO_COLOR_MATRIX_BT709: - *Kr = 0.2126; - *Kb = 0.0722; - break; - case GST_VIDEO_COLOR_MATRIX_BT601: - *Kr = 0.2990; - *Kb = 0.1140; - break; - case GST_VIDEO_COLOR_MATRIX_SMPTE240M: - *Kr = 0.212; - *Kb = 0.087; - break; - } - GST_DEBUG ("matrix: %d, Kr %f, Kb %f", matrix, *Kr, *Kb); - return res; -} - -static gboolean videoconvert_convert_compute_matrix (VideoConvert * convert) { GstVideoInfo *in_info, *out_info; @@ -283,7 +250,7 @@ videoconvert_convert_compute_matrix (VideoConvert * convert) 1 / ((float) scale[1]), 1 / ((float) scale[2])); /* 2. bring components to R'G'B' space */ - if (get_Kr_Kb (in_info->colorimetry.matrix, &Kr, &Kb)) + if (gst_video_color_matrix_get_Kr_Kb (in_info->colorimetry.matrix, &Kr, &Kb)) color_matrix_YCbCr_to_RGB (&dst, Kr, Kb); /* 3. inverse transfer function. R'G'B' to linear RGB */ @@ -295,7 +262,7 @@ videoconvert_convert_compute_matrix (VideoConvert * convert) /* 6. transfer function. linear RGB to R'G'B' */ /* 7. bring components to YCbCr space */ - if (get_Kr_Kb (out_info->colorimetry.matrix, &Kr, &Kb)) + if (gst_video_color_matrix_get_Kr_Kb (out_info->colorimetry.matrix, &Kr, &Kb)) color_matrix_RGB_to_YCbCr (&dst, Kr, Kb); /* 8, bring color components to nominal range */ |