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Calling vpx_img_read() from vpx_temporal_scalable_patterns.

Change-Id: I7aa0f9afbd802a1d8686cad9fc6eae4baa6a53c3

--- a/examples/vpx_temporal_scalable_patterns.c

+++ b/examples/vpx_temporal_scalable_patterns.c

@@ -441,7 +441,7 @@

   int max_intra_size_pct;

   vpx_svc_layer_id_t layer_id = {0, 0};

   const VpxInterface *encoder = NULL;

-  struct VpxInputContext input_ctx = {0};

+  FILE *infile = NULL;

   struct RateControlMetrics rc;

   exec_name = argv[0];

@@ -527,8 +527,7 @@

   set_rate_control_metrics(&rc, &cfg);

   // Open input file.

-  input_ctx.filename = argv[1];

-  if (!(input_ctx.file = fopen(input_ctx.filename, "rb"))) {

+  if (!(infile = fopen(argv[1], "rb"))) {

     die("Failed to open %s for reading", argv[1]);

   }

@@ -581,7 +580,7 @@

       vpx_codec_control(&codec, VP9E_SET_SVC_LAYER_ID, &layer_id);

     }

     flags = layer_flags[frame_cnt % flag_periodicity];

-    frame_avail = !read_yuv_frame(&input_ctx, &raw);

+    frame_avail = vpx_img_read(&raw, infile);

     if (frame_avail)

       ++rc.layer_input_frames[layer_id.temporal_layer_id];

     if (vpx_codec_encode(&codec, frame_avail? &raw : NULL, pts, 1, flags,

@@ -621,7 +620,7 @@

     ++frame_cnt;

     pts += frame_duration;

   }

-  fclose(input_ctx.file);

+  fclose(infile);

   printout_rate_control_summary(&rc, &cfg, frame_cnt);

   if (vpx_codec_destroy(&codec))

-- 

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