lavc/h264: rename GreenMetaData to H264SEIGreenMetaData

Reduces diff for the next merge with Libav.

libavcodec/h264.c

@@ -959,7 +959,7 @@ static int get_last_needed_nal(H264Context *h)
     return nals_needed;
 }
 
-static void debug_green_metadata(const GreenMetaData *gm, void *logctx)
+static void debug_green_metadata(const H264SEIGreenMetaData *gm, void *logctx)
 {
     av_log(logctx, AV_LOG_DEBUG, "Green Metadata Info SEI message\n");
     av_log(logctx, AV_LOG_DEBUG, "  green_metadata_type: %d\n", gm->green_metadata_type);

libavcodec/h264.h

@@ -295,7 +295,7 @@ typedef struct FPA {
 /**
  *     Green MetaData Information Type
  */
-typedef struct GreenMetaData {
+typedef struct H264SEIGreenMetaData {
     uint8_t  green_metadata_type;
     uint8_t  period_type;
     uint16_t  num_seconds;
@@ -306,7 +306,7 @@ typedef struct GreenMetaData {
     uint8_t percent_alpha_point_deblocking_instance;
     uint8_t xsd_metric_type;
     uint16_t xsd_metric_value;
-} GreenMetaData;
+} H264SEIGreenMetaData;
 
 /**
  * Memory management control operation opcode.
@@ -831,7 +831,7 @@ typedef struct H264Context {
     qpel_mc_func (*qpel_avg)[16];
 
     /*Green Metadata */
-    GreenMetaData sei_green_metadata;
+    H264SEIGreenMetaData sei_green_metadata;
 
 } H264Context;
 

libavcodec/h264_sei.c

@@ -363,7 +363,7 @@ static int decode_display_orientation(H264Context *h)
     return 0;
 }
 
-static int decode_GreenMetadata(GreenMetaData *h, GetBitContext *gb)
+static int decode_GreenMetadata(H264SEIGreenMetaData *h, GetBitContext *gb)
 {
     h->green_metadata_type=get_bits(gb, 8);