[NORMATIVE] Send level for still pictures

This was missed in the original patch.

BUG=aomedia:1725

Change-Id: I38a307748ad2bc87e931123767eb9a23d3fa2361

av1/av1_dx_iface.c

diff --git a/av1/av1_dx_iface.c b/av1/av1_dx_iface.c
index a707649..050f5dd 100644
--- a/av1/av1_dx_iface.c
+++ b/av1/av1_dx_iface.c
@@ -163,16 +163,24 @@
   return length_field_size;
 }
 
-static void parse_operating_points(struct aom_read_bit_buffer *rb) {
-  const uint8_t operating_points_minus1_cnt =
-      aom_rb_read_literal(rb, OP_POINTS_MINUS1_BITS);
-  for (int i = 0; i < operating_points_minus1_cnt + 1; i++) {
-    aom_rb_read_literal(rb, OP_POINTS_IDC_BITS);  // idc
-    aom_rb_read_literal(rb, LEVEL_BITS);          // level
-    if (aom_rb_read_literal(rb, 1)) {  // decoder_rate_model_param_present_flag
-      aom_rb_read_literal(rb, 12);     // decode_to_display_rate_ratio
-      aom_rb_read_literal(rb, 24);     // initial_display_delay
-      aom_rb_read_literal(rb, 4);      // extra_frame_buffers
+static void parse_operating_points(struct aom_read_bit_buffer *rb,
+                                   int red_hdr) {
+  if (red_hdr) {
+    aom_rb_read_literal(rb, LEVEL_BITS);  // level
+  } else {
+    const uint8_t operating_points_minus1_cnt =
+        aom_rb_read_literal(rb, OP_POINTS_MINUS1_BITS);
+    for (int i = 0; i < operating_points_minus1_cnt + 1; i++) {
+      aom_rb_read_literal(rb, OP_POINTS_IDC_BITS);  // idc
+      aom_rb_read_literal(rb, LEVEL_BITS);          // level
+#if !CONFIG_BUFFER_MODEL
+      if (aom_rb_read_literal(rb,
+                              1)) {   // decoder_rate_model_param_present_flag
+        aom_rb_read_literal(rb, 12);  // decode_to_display_rate_ratio
+        aom_rb_read_literal(rb, 24);  // initial_display_delay
+        aom_rb_read_literal(rb, 4);   // extra_frame_buffers
+      }
+#endif  // !CONFIG_BUFFER_MODEL
     }
   }
 }
@@ -230,9 +238,7 @@
     return AOM_CODEC_UNSUP_BITSTREAM;
   }
 
-  if (!reduced_still_picture_hdr) {
-    parse_operating_points(&rb);
-  }
+  parse_operating_points(&rb, reduced_still_picture_hdr);
 
   int num_bits_width = aom_rb_read_literal(&rb, 4) + 1;
   int num_bits_height = aom_rb_read_literal(&rb, 4) + 1;

av1/decoder/obu.c

diff --git a/av1/decoder/obu.c b/av1/decoder/obu.c
index b0e91cc..6b53b00 100644
--- a/av1/decoder/obu.c
+++ b/av1/decoder/obu.c
@@ -160,7 +160,7 @@
   if (seq_params->reduced_still_picture_hdr) {
     pbi->common.enhancement_layers_cnt = 1;
     seq_params->operating_point_idc[0] = 0;
-    seq_params->level[0] = 0;
+    seq_params->level[0] = aom_rb_read_literal(rb, LEVEL_BITS);
     seq_params->decoder_rate_model_param_present_flag[0] = 0;
   } else {
     uint8_t operating_points_minus1_cnt =

av1/encoder/bitstream.c

diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 75048cc..efa5c29 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -3459,13 +3459,17 @@
   // whether to use reduced still picture header
   aom_wb_write_bit(&wb, cm->seq_params.reduced_still_picture_hdr);
 
-  if (!cm->seq_params.reduced_still_picture_hdr) {
+  if (cm->seq_params.reduced_still_picture_hdr) {
+    aom_wb_write_literal(&wb, 0, LEVEL_BITS);  // level[0]
+  } else {
     uint8_t operating_points_minus1_cnt = enhancement_layers_cnt;
-    aom_wb_write_literal(&wb, operating_points_minus1_cnt, 5);
+    aom_wb_write_literal(&wb, operating_points_minus1_cnt,
+                         OP_POINTS_MINUS1_BITS);
     int i;
     for (i = 0; i < operating_points_minus1_cnt + 1; i++) {
-      aom_wb_write_literal(&wb, 0, 12);  // operating_point_idc[i]
-      aom_wb_write_literal(&wb, 0, 4);   // level[i]
+      aom_wb_write_literal(&wb, 0,
+                           OP_POINTS_IDC_BITS);  // operating_point_idc[i]
+      aom_wb_write_literal(&wb, 0, LEVEL_BITS);  // level[i]
 #if !CONFIG_BUFFER_MODEL
       aom_wb_write_literal(&wb, 0, 1);  // decoder_rate_model_present_flag[i]
 #endif