Add support for dynamic detection of supported codecs

H.264 and H.265 support is still not supported upstream,
so it makes sense to autodetect each codec and only
enable those that are supported.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>

src/context.c

@@ -41,6 +41,8 @@
 #include "utils.h"
 #include "v4l2.h"
 
+#include "autoconfig.h"
+
 VAStatus RequestCreateContext(VADriverContextP context, VAConfigID config_id,
 			      int picture_width, int picture_height, int flags,
 			      VASurfaceID *surfaces_ids, int surfaces_count,
@@ -86,11 +88,15 @@ VAStatus RequestCreateContext(VADriverContextP context, VAConfigID config_id,
 	memset(&context_object->dpb, 0, sizeof(context_object->dpb));
 
 	switch (config_object->profile) {
+
+#ifdef WITH_MPEG2
 	case VAProfileMPEG2Simple:
 	case VAProfileMPEG2Main:
 		pixelformat = V4L2_PIX_FMT_MPEG2_SLICE;
 		break;
+#endif
 
+#ifdef WITH_H264
 	case VAProfileH264Main:
 	case VAProfileH264High:
 	case VAProfileH264ConstrainedBaseline:
@@ -98,10 +104,13 @@ VAStatus RequestCreateContext(VADriverContextP context, VAConfigID config_id,
 	case VAProfileH264StereoHigh:
 		pixelformat = V4L2_PIX_FMT_H264_SLICE;
 		break;
+#endif
 
+#ifdef WITH_H265
 	case VAProfileHEVCMain:
 		pixelformat = V4L2_PIX_FMT_HEVC_SLICE;
 		break;
+#endif
 
 	default:
 		status = VA_STATUS_ERROR_UNSUPPORTED_PROFILE;