Add h264 format

Improve format support
Remove the type from the value because we can find that from the
property info.

spa/include/spa/props.h

@@ -97,18 +97,28 @@ typedef enum {
   SPA_PROP_RANGE_TYPE_FLAGS,
 } SpaPropRangeType;
 
+/**
+ * SpaPropValue:
+ * @size: the property size
+ * @value: the property value.
+ *
+ * The structure to set and get properties.
+ */
+typedef struct {
+  size_t       size;
+  const void  *value;
+} SpaPropValue;
+
 /**
  * SpaPropRangeInfo:
  * @name: name of this value
  * @description: user visible description of this value
- * @size: the size of value
- * @value: a possible value
+ * @val: the value
  */
 typedef struct {
   const char    *name;
   const char    *description;
-  size_t         size;
-  const void    *value;
+  SpaPropValue   val;
 } SpaPropRangeInfo;
 
 /**
@@ -139,20 +149,6 @@ typedef struct {
   const char              **tags;
 } SpaPropInfo;
 
-/**
- * SpaPropValue:
- * @type: a property type
- * @size: the property size
- * @value: the property value.
- *
- * The structure to set and get properties.
- */
-typedef struct {
-  SpaPropType  type;
-  size_t       size;
-  const void  *value;
-} SpaPropValue;
-
 /**
  * SpaProps:
  * @n_prop_info: number of elements in @prop_info

spa/include/spa/video/encoded.h

@@ -24,11 +24,33 @@
 extern "C" {
 #endif
 
+typedef struct _SpaVideoInfoH264 SpaVideoInfoH264;
 typedef struct _SpaVideoInfoMJPG SpaVideoInfoMJPG;
 
 #include <spa/format.h>
 #include <spa/video/format.h>
 
+typedef enum {
+  SPA_H264_STREAM_FORMAT_UNKNOWN        = 0,
+  SPA_H264_STREAM_FORMAT_AVC,
+  SPA_H264_STREAM_FORMAT_AVC3,
+  SPA_H264_STREAM_FORMAT_BYTESTREAM
+} SpaH264StreamFormat;
+
+typedef enum {
+  SPA_H264_ALIGNMENT_UNKNOWN        = 0,
+  SPA_H264_ALIGNMENT_AU,
+  SPA_H264_ALIGNMENT_NAL
+} SpaH264Alignment;
+
+struct _SpaVideoInfoH264 {
+  SpaRectangle              size;
+  SpaFraction               framerate;
+  SpaFraction               max_framerate;
+  SpaH264StreamFormat       stream_format;
+  SpaH264Alignment          alignment;
+};
+
 struct _SpaVideoInfoMJPG {
   SpaRectangle              size;
   SpaFraction               framerate;

spa/include/spa/video/format.h

@@ -31,7 +31,8 @@ extern "C" {
 typedef struct _SpaFormatVideo SpaFormatVideo;
 
 typedef enum {
-  SPA_PROP_ID_VIDEO_FORMAT = SPA_PROP_ID_MEDIA_CUSTOM_START,
+  SPA_PROP_ID_VIDEO_INFO = SPA_PROP_ID_MEDIA_CUSTOM_START,
+  SPA_PROP_ID_VIDEO_FORMAT,
   SPA_PROP_ID_VIDEO_SIZE,
   SPA_PROP_ID_VIDEO_FRAMERATE,
   SPA_PROP_ID_VIDEO_MAX_FRAMERATE,
@@ -45,8 +46,10 @@ typedef enum {
   SPA_PROP_ID_VIDEO_COLOR_MATRIX,
   SPA_PROP_ID_VIDEO_TRANSFER_FUNCTION,
   SPA_PROP_ID_VIDEO_COLOR_PRIMARIES,
-  SPA_PROP_ID_VIDEO_INFO_RAW,
-  SPA_PROP_ID_VIDEO_INFO_MJPG,
+  SPA_PROP_ID_VIDEO_PROFILE,
+  SPA_PROP_ID_VIDEO_LEVEL,
+  SPA_PROP_ID_VIDEO_STREAM_FORMAT,
+  SPA_PROP_ID_VIDEO_ALIGNMENT,
 } SpaPropIdVideo;
 
 SpaResult   spa_prop_info_fill_video    (SpaPropInfo     *info,
@@ -63,6 +66,7 @@ struct _SpaFormatVideo {
   SpaFormat format;
   union {
     SpaVideoInfoRaw raw;
+    SpaVideoInfoH264 h264;
     SpaVideoInfoMJPG mjpg;
   } info;
 };