Simplify flow of control

Change-Id: Idded8f8774c10c53fba59e7b834583399e57225c

av1/av1_cx_iface.c

diff --git a/av1/av1_cx_iface.c b/av1/av1_cx_iface.c
index 88b8ca1..7f2ff4b 100644
--- a/av1/av1_cx_iface.c
+++ b/av1/av1_cx_iface.c
@@ -1225,47 +1225,47 @@
         return AOM_CODEC_ERROR;
       }
 #endif
-      if (frame_size) {
-        // Pack invisible frames with the next visible frame
-        if (!cpi->common.show_frame) {
-          if (ctx->pending_cx_data == 0) ctx->pending_cx_data = cx_data;
-          ctx->pending_cx_data_sz += frame_size;
-          ctx->pending_frame_sizes[ctx->pending_frame_count++] = frame_size;
-          cx_data += frame_size;
-          cx_data_sz -= frame_size;
+      if (!frame_size) continue;
 
-          continue;
-        }
-
-        // Add the frame packet to the list of returned packets.
-        aom_codec_cx_pkt_t pkt;
-
-        pkt.kind = AOM_CODEC_CX_FRAME_PKT;
-        pkt.data.frame.pts = ticks_to_timebase_units(timebase, dst_time_stamp);
-        pkt.data.frame.duration = (unsigned long)ticks_to_timebase_units(
-            timebase, dst_end_time_stamp - dst_time_stamp);
-        pkt.data.frame.flags = get_frame_pkt_flags(cpi, lib_flags);
-
-        if (ctx->pending_cx_data) {
-          ctx->pending_frame_sizes[ctx->pending_frame_count++] = frame_size;
-          ctx->pending_cx_data_sz += frame_size;
-          frame_size += write_superframe_index(ctx);
-          pkt.data.frame.buf = ctx->pending_cx_data;
-          pkt.data.frame.sz = ctx->pending_cx_data_sz;
-          ctx->pending_cx_data = NULL;
-          ctx->pending_cx_data_sz = 0;
-          ctx->pending_frame_count = 0;
-        } else {
-          pkt.data.frame.buf = cx_data;
-          pkt.data.frame.sz = frame_size;
-        }
-        pkt.data.frame.partition_id = -1;
-
-        aom_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
-
+      // Pack invisible frames with the next visible frame
+      if (!cpi->common.show_frame) {
+        if (ctx->pending_cx_data == 0) ctx->pending_cx_data = cx_data;
+        ctx->pending_cx_data_sz += frame_size;
+        ctx->pending_frame_sizes[ctx->pending_frame_count++] = frame_size;
         cx_data += frame_size;
         cx_data_sz -= frame_size;
+
+        continue;
       }
+
+      // Add the frame packet to the list of returned packets.
+      aom_codec_cx_pkt_t pkt;
+
+      pkt.kind = AOM_CODEC_CX_FRAME_PKT;
+      pkt.data.frame.pts = ticks_to_timebase_units(timebase, dst_time_stamp);
+      pkt.data.frame.duration = (uint32_t)ticks_to_timebase_units(
+          timebase, dst_end_time_stamp - dst_time_stamp);
+      pkt.data.frame.flags = get_frame_pkt_flags(cpi, lib_flags);
+
+      if (ctx->pending_cx_data) {
+        ctx->pending_frame_sizes[ctx->pending_frame_count++] = frame_size;
+        ctx->pending_cx_data_sz += frame_size;
+        frame_size += write_superframe_index(ctx);
+        pkt.data.frame.buf = ctx->pending_cx_data;
+        pkt.data.frame.sz = ctx->pending_cx_data_sz;
+        ctx->pending_cx_data = NULL;
+        ctx->pending_cx_data_sz = 0;
+        ctx->pending_frame_count = 0;
+      } else {
+        pkt.data.frame.buf = cx_data;
+        pkt.data.frame.sz = frame_size;
+      }
+      pkt.data.frame.partition_id = -1;
+
+      aom_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
+
+      cx_data += frame_size;
+      cx_data_sz -= frame_size;
     }
   }