[FFmpeg-cvslog] lavu: Document the color properties enumeration values origin

[Vittorio Giovara]

ffmpeg | branch: master | Vittorio Giovara <vittorio.giovara at gmail.com> | Thu Dec  1 15:17:27 2016 -0500| [706af9227b58657c73e3a4df3689da734f010500] | committer: Vittorio Giovara

lavu: Document the color properties enumeration values origin

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=706af9227b58657c73e3a4df3689da734f010500
---

 libavutil/pixfmt.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 2a0c85e..41498cc 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -313,6 +313,7 @@ enum AVPixelFormat {
 
 /**
   * Chromaticity coordinates of the source primaries.
+  * These values match the ones defined by ISO/IEC 23001-8_2013 § 7.1.
   */
 enum AVColorPrimaries {
     AVCOL_PRI_RESERVED0   = 0,
@@ -336,6 +337,7 @@ enum AVColorPrimaries {
 
 /**
  * Color Transfer Characteristic.
+ * These values match the ones defined by ISO/IEC 23001-8_2013 § 7.2.
  */
 enum AVColorTransferCharacteristic {
     AVCOL_TRC_RESERVED0    = 0,
@@ -364,6 +366,7 @@ enum AVColorTransferCharacteristic {
 
 /**
  * YUV colorspace type.
+ * These values match the ones defined by ISO/IEC 23001-8_2013 § 7.3.
  */
 enum AVColorSpace {
     AVCOL_SPC_RGB         = 0,  ///< order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB)