minivideo: add a few string helpers in minivideo_codecs.h

minivideo/src/minivideo_avutils.h

@@ -149,6 +149,8 @@ typedef enum StereoMode_e
 
 } StereoMode_e;
 
+/* ************************************************************************** */
+
 //! The color model used by the video
 typedef enum ColorModel_e
 {
@@ -165,6 +167,39 @@ typedef enum ColorModel_e
 
 } ColorModel_e;
 
+//! The chroma subsampling format used by the video/pictures
+typedef enum ChromaSubSampling_e
+{
+    CHROMA_SS_UNKNOWN = 0,      //!< Unknown chroma subsampling
+
+    CHROMA_SS_311     = 1,      //!< 3:1:1 subsampling
+    CHROMA_SS_400     = 2,      //!< 4:0:0 subsampling (monochrome)
+    CHROMA_SS_410     = 3,      //!< 4:1:0 subsampling
+    CHROMA_SS_411     = 4,      //!< 4:1:1 subsampling
+    CHROMA_SS_420     = 5,      //!< 4:2:0 subsampling
+    CHROMA_SS_421     = 6,      //!< 4:2:1 subsampling
+    CHROMA_SS_422     = 7,      //!< 4:2:2 subsampling
+    CHROMA_SS_440     = 8,      //!< 4:4:0 subsampling
+    CHROMA_SS_441     = 9,      //!< 4:4:1 subsampling
+    CHROMA_SS_442     = 10,     //!< 4:4:2 subsampling
+    CHROMA_SS_444     = 11,     //!< 4:4:4 subsampling
+
+} ChromaSubSampling_e;
+
+//! The chroma subsampling format used by the video/pictures
+typedef enum ChromaLocation_e
+{
+    CHROMA_LOC_UNKNOWN  = 0,    //!< Unknown chroma location
+
+    CHROMA_LOC_LEFT     = 1,    //!<
+    CHROMA_LOC_CENTER   = 2,
+    CHROMA_LOC_TOPLEFT  = 3,
+    CHROMA_LOC_TOP      = 4,
+    CHROMA_LOC_BOTTOMLEFT = 5,
+    CHROMA_LOC_BOTTOM   = 6,
+
+} ChromaLocation_e;
+
 typedef enum ColorsRec_e
 {
     COLORS_BT470_6,
@@ -201,20 +236,6 @@ typedef enum ColorMatrix_e
 
 } ColorMatrix_e;
 
-//! The subsampling format used by the video
-typedef enum SubSampling_e
-{
-    SS_UNKNOWN = 0,     //!< Unknown subsampling
-
-    SS_400     = 1,     //!< 4:0:0 monochrome subsampling
-    SS_411     = 2,     //!< 4:1:1 subsampling
-    SS_420     = 3,     //!< 4:2:0 subsampling
-    SS_422     = 4,     //!< 4:2:2 subsampling
-    SS_444     = 5,     //!< 4:4:4 subsampling
-    SS_4444    = 6      //!< 4:4:4:4 subsampling
-
-} SubSampling_e;
-
 /* ************************************************************************** */
 
 //! Chromaticity coordinates of the source primaries

minivideo/src/minivideo_codecs.cpp

@@ -1042,6 +1042,140 @@ const char *getCodecProfileString(const CodecProfiles_e profile, const bool long
 
 /* ************************************************************************** */
 
+const char *getScanModeString(const ScanType_e mode)
+{
+    switch (mode)
+    {
+        case SCAN_PROGRESSIVE:
+            return "Progressive";
+        case SCAN_INTERLACED:
+            return "Interlaced scan";
+
+        default:
+            return "";
+    }
+}
+/* ************************************************************************** */
+
+const char *getStereoModeString(const StereoMode_e mode)
+{
+    switch (mode)
+    {
+        case MONOSCOPIC:
+            return "Monoscopic";
+
+        case STEREO_ANAGLYPH_CR:
+            return "Anaglyph (cyan/red)";
+        case STEREO_ANAGLYPH_GM:
+            return "Anaglyph (green/magenta)";
+
+        case STEREO_SIDEBYSIDE_LEFT:
+            return "Side by side (left eye is first)";
+        case STEREO_SIDEBYSIDE_RIGHT:
+            return "Side by side (right eye is first)";
+        case STEREO_TOPBOTTOM_LEFT:
+            return "Top bottom (left eye is first)";
+        case STEREO_TOPBOTTOM_RIGHT:
+            return "Top bottom (right eye is first)";
+        case STEREO_CHECKBOARD_LEFT:
+            return "Checkerboard (left eye is first)";
+        case STEREO_CHECKBOARD_RIGHT:
+            return "Checkerboard (right eye is first)";
+        case STEREO_ROWINTERLEAVED_LEFT:
+            return "Row interleaved (left eye is first)";
+        case STEREO_ROWINTERLEAVED_RIGHT:
+            return "Row interleaved (right eye is first)";
+        case STEREO_COLUMNINTERLEAVED_LEFT:
+            return "Column interleaved (left eye is first)";
+        case STEREO_COLUMNINTERLEAVED_RIGHT:
+            return "Column interleaved (right eye is first)";
+
+        default:
+            return "";
+    }
+}
+
+/* ************************************************************************** */
+
+const char *getHdrModeString(const HdrMode_e mode)
+{
+    switch (mode)
+    {
+        case SDR:
+            return "SDR";
+
+        case HLG:
+            return "HLG";
+        case HDR10:
+            return "HDR10";
+        case HDR10plus:
+            return "HDR10+";
+        case DolbyVision:
+            return "Dolby Vision";
+
+        default:
+            return "";
+    }
+}
+
+/* ************************************************************************** */
+
+const char *getChromaSubsamplingString(const ChromaSubSampling_e subsampling)
+{
+    switch (subsampling)
+    {
+        case CHROMA_SS_311:
+            return "3:1:1";
+        case CHROMA_SS_400:
+            return "4:0:0";
+        case CHROMA_SS_410:
+            return "4:1:0";
+        case CHROMA_SS_411:
+            return "4:1:1";
+        case CHROMA_SS_420:
+            return "4:2:0+";
+        case CHROMA_SS_421:
+            return "4:2:1";
+        case CHROMA_SS_422:
+            return "4:2:2";
+        case CHROMA_SS_440:
+            return "4:4:0";
+        case CHROMA_SS_441:
+            return "4:4:1";
+        case CHROMA_SS_442:
+            return "4:4:2";
+        case CHROMA_SS_444:
+            return "4:4:4";
+
+        default:
+            return "";
+    }
+}
+
+const char *getChromaLocationString(const ChromaLocation_e location)
+{
+    switch (location)
+    {
+        case CHROMA_LOC_LEFT:
+            return "Left";
+        case CHROMA_LOC_CENTER:
+            return "Center";
+        case CHROMA_LOC_TOPLEFT:
+            return "Top left";
+        case CHROMA_LOC_TOP:
+            return "Top";
+        case CHROMA_LOC_BOTTOMLEFT:
+            return "Bottom left";
+        case CHROMA_LOC_BOTTOM:
+            return "Bottom";
+
+        default:
+            return "";
+    }
+}
+
+/* ************************************************************************** */
+
 const char *getColorPrimariesString(const ColorPrimaries_e primaries)
 {
     switch (primaries)

minivideo/src/minivideo_codecs.h

@@ -434,6 +434,13 @@ minivideo_EXPORT const char *getPictureString(const Pictures_e picture, const bo
 
 /* ************************************************************************** */
 
+minivideo_EXPORT const char *getScanModeString(const ScanType_e mode);
+minivideo_EXPORT const char *getStereoModeString(const StereoMode_e mode);
+minivideo_EXPORT const char *getHdrModeString(const HdrMode_e mode);
+
+minivideo_EXPORT const char *getChromaSubsamplingString(const ChromaSubSampling_e subsampling);
+minivideo_EXPORT const char *getChromaLocationString(const ChromaLocation_e location);
+
 minivideo_EXPORT const char *getColorPrimariesString(const ColorPrimaries_e primaries);
 minivideo_EXPORT const char *getColorTransferCharacteristicString(const ColorTransferCharacteristic_e transfert);
 minivideo_EXPORT const char *getColorMatrixString(const ColorSpace_e space);