avcodec/h264_sei: remove redundant prefix to H264SEIFramePacking fields

Cosmetic change.
Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/h264_parser.c

@@ -259,7 +259,7 @@ static inline int parse_nal_units(AVCodecParserContext *s,
     s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN;
 
     ff_h264_sei_uninit(&p->sei);
-    p->sei.frame_packing.frame_packing_arrangement_cancel_flag = -1;
+    p->sei.frame_packing.arrangement_cancel_flag = -1;
 
     if (!buf_size)
         return 0;

libavcodec/h264_sei.c

@@ -313,12 +313,12 @@ static int decode_buffering_period(H264SEIBufferingPeriod *h, GetBitContext *gb,
 static int decode_frame_packing_arrangement(H264SEIFramePacking *h,
                                             GetBitContext *gb)
 {
-    h->frame_packing_arrangement_id          = get_ue_golomb_long(gb);
-    h->frame_packing_arrangement_cancel_flag = get_bits1(gb);
-    h->present = !h->frame_packing_arrangement_cancel_flag;
+    h->arrangement_id          = get_ue_golomb_long(gb);
+    h->arrangement_cancel_flag = get_bits1(gb);
+    h->present = !h->arrangement_cancel_flag;
 
     if (h->present) {
-        h->frame_packing_arrangement_type = get_bits(gb, 7);
+        h->arrangement_type = get_bits(gb, 7);
         h->quincunx_sampling_flag         = get_bits1(gb);
         h->content_interpretation_type    = get_bits(gb, 6);
 
@@ -328,10 +328,10 @@ static int decode_frame_packing_arrangement(H264SEIFramePacking *h,
         // frame0_self_contained_flag, frame1_self_contained_flag
         skip_bits(gb, 2);
 
-        if (!h->quincunx_sampling_flag && h->frame_packing_arrangement_type != 5)
+        if (!h->quincunx_sampling_flag && h->arrangement_type != 5)
             skip_bits(gb, 16);      // frame[01]_grid_position_[xy]
         skip_bits(gb, 8);           // frame_packing_arrangement_reserved_byte
-        h->frame_packing_arrangement_repetition_period = get_ue_golomb_long(gb);
+        h->arrangement_repetition_period = get_ue_golomb_long(gb);
     }
     skip_bits1(gb);                 // frame_packing_arrangement_extension_flag
 
@@ -465,8 +465,8 @@ int ff_h264_sei_decode(H264SEIContext *h, GetBitContext *gb,
 
 const char *ff_h264_sei_stereo_mode(const H264SEIFramePacking *h)
 {
-    if (h->frame_packing_arrangement_cancel_flag == 0) {
-        switch (h->frame_packing_arrangement_type) {
+    if (h->arrangement_cancel_flag == 0) {
+        switch (h->arrangement_type) {
             case H264_SEI_FPA_TYPE_CHECKERBOARD:
                 if (h->content_interpretation_type == 2)
                     return "checkerboard_rl";
@@ -501,7 +501,7 @@ const char *ff_h264_sei_stereo_mode(const H264SEIFramePacking *h)
             default:
                 return "mono";
         }
-    } else if (h->frame_packing_arrangement_cancel_flag == 1) {
+    } else if (h->arrangement_cancel_flag == 1) {
         return "mono";
     } else {
         return NULL;

libavcodec/h264_sei.h

@@ -119,10 +119,10 @@ typedef struct H264SEIBufferingPeriod {
 
 typedef struct H264SEIFramePacking {
     int present;
-    int frame_packing_arrangement_id;
-    int frame_packing_arrangement_cancel_flag;  ///< is previous arrangement canceled, -1 if never received
-    H264_SEI_FpaType frame_packing_arrangement_type;
-    int frame_packing_arrangement_repetition_period;
+    int arrangement_id;
+    int arrangement_cancel_flag;  ///< is previous arrangement canceled, -1 if never received
+    H264_SEI_FpaType arrangement_type;
+    int arrangement_repetition_period;
     int content_interpretation_type;
     int quincunx_sampling_flag;
     int current_frame_is_frame0_flag;

libavcodec/h264_slice.c

@@ -1198,13 +1198,13 @@ static int h264_export_frame_props(H264Context *h)
     }
 
     if (h->sei.frame_packing.present &&
-        h->sei.frame_packing.frame_packing_arrangement_type <= 6 &&
+        h->sei.frame_packing.arrangement_type <= 6 &&
         h->sei.frame_packing.content_interpretation_type > 0 &&
         h->sei.frame_packing.content_interpretation_type < 3) {
         H264SEIFramePacking *fp = &h->sei.frame_packing;
         AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f);
         if (stereo) {
-        switch (fp->frame_packing_arrangement_type) {
+        switch (fp->arrangement_type) {
         case 0:
             stereo->type = AV_STEREO3D_CHECKERBOARD;
             break;
@@ -1234,7 +1234,7 @@ static int h264_export_frame_props(H264Context *h)
         if (fp->content_interpretation_type == 2)
             stereo->flags = AV_STEREO3D_FLAG_INVERT;
 
-        if (fp->frame_packing_arrangement_type == 5) {
+        if (fp->arrangement_type == 5) {
             if (fp->current_frame_is_frame0_flag)
                 stereo->view = AV_STEREO3D_VIEW_LEFT;
             else

libavcodec/h264dec.c

@@ -319,7 +319,7 @@ static int h264_init_context(AVCodecContext *avctx, H264Context *h)
     h->x264_build            = -1;
     h->frame_recovered       = 0;
     h->poc.prev_frame_num    = -1;
-    h->sei.frame_packing.frame_packing_arrangement_cancel_flag = -1;
+    h->sei.frame_packing.arrangement_cancel_flag = -1;
     h->sei.unregistered.x264_build = -1;
 
     h->next_outputed_poc = INT_MIN;