From 82f6af600952f8924b3fd56e1f6296a74816c2c2 Mon Sep 17 00:00:00 2001
From: Adrian Grange <agrange@google.com>
Date: Wed, 22 Jan 2014 09:36:07 -0800
Subject: [PATCH] Tidy up comments & remove commented out code.

Change-Id: I46dd5ce06f36362c6274511cd1531d93926aa9bc
---
 vp9/encoder/vp9_onyx_if.c | 4 ----
 vp9/encoder/vp9_rdopt.c   | 4 ++--
 vp9/vp9_cx_iface.c        | 9 ++-------
 vp9/vp9_iface_common.h    | 2 +-
 vpxdec.c                  | 3 ++-
 5 files changed, 7 insertions(+), 15 deletions(-)

diff --git a/vp9/encoder/vp9_onyx_if.c b/vp9/encoder/vp9_onyx_if.c
index 3e1daca28..3c0d1bcaa 100644
--- a/vp9/encoder/vp9_onyx_if.c
+++ b/vp9/encoder/vp9_onyx_if.c
@@ -3379,7 +3379,6 @@ int vp9_get_compressed_data(VP9_PTR ptr, unsigned int *frame_flags,
   struct vpx_usec_timer  cmptimer;
   YV12_BUFFER_CONFIG *force_src_buffer = NULL;
   MV_REFERENCE_FRAME ref_frame;
-  // FILE *fp_out = fopen("enc_frame_type.txt", "a");
 
   if (!cpi)
     return -1;
@@ -3501,8 +3500,6 @@ int vp9_get_compressed_data(VP9_PTR ptr, unsigned int *frame_flags,
       vp9_end_first_pass(cpi);    /* get last stats packet */
       cpi->twopass.first_pass_done = 1;
     }
-
-    // fclose(fp_out);
     return -1;
   }
 
@@ -3671,7 +3668,6 @@ int vp9_get_compressed_data(VP9_PTR ptr, unsigned int *frame_flags,
   }
 
 #endif
-  // fclose(fp_out);
   return 0;
 }
 
diff --git a/vp9/encoder/vp9_rdopt.c b/vp9/encoder/vp9_rdopt.c
index 3c1bd392d..242aa8710 100644
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -233,8 +233,8 @@ static void set_block_thresholds(VP9_COMP *cpi) {
     const int q = compute_rd_thresh_factor(qindex);
 
     for (bsize = 0; bsize < BLOCK_SIZES; ++bsize) {
-      // Threshold here seem unecessarily harsh but fine given actual
-      // range of values used for cpi->sf.thresh_mult[]
+      // Threshold here seems unnecessarily harsh but fine given actual
+      // range of values used for cpi->sf.thresh_mult[].
       const int t = q * rd_thresh_block_size_factor[bsize];
       const int thresh_max = INT_MAX / t;
 
diff --git a/vp9/vp9_cx_iface.c b/vp9/vp9_cx_iface.c
index 5c14b2e40..897ecd702 100644
--- a/vp9/vp9_cx_iface.c
+++ b/vp9/vp9_cx_iface.c
@@ -513,10 +513,8 @@ static vpx_codec_err_t vp9e_common_init(vpx_codec_ctx_t *ctx) {
     priv->vp8_cfg = extracfg_map[i].cfg;
     priv->vp8_cfg.pkt_list = &priv->pkt_list.head;
 
-    // TODO(agrange) Check the limits set on this buffer, or the check that is
-    // applied in vp9e_encode.
+    // Maximum buffer size approximated based on having multiple ARF.
     priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 8;
-//    priv->cx_data_sz = priv->cfg.g_w * priv->cfg.g_h * 3 / 2 * 2;
 
     if (priv->cx_data_sz < 4096) priv->cx_data_sz = 4096;
 
@@ -692,7 +690,7 @@ static vpx_codec_err_t vp9e_encode(vpx_codec_alg_priv_t  *ctx,
     }
   }
 
-  /* Initialize the encoder instance on the first frame*/
+  /* Initialize the encoder instance on the first frame. */
   if (!res && ctx->cpi) {
     unsigned int lib_flags;
     YV12_BUFFER_CONFIG sd;
@@ -704,9 +702,6 @@ static vpx_codec_err_t vp9e_encode(vpx_codec_alg_priv_t  *ctx,
     if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
       ((VP9_COMP *)ctx->cpi)->b_calculate_psnr = 1;
 
-    // if (ctx->base.init_flags & VPX_CODEC_USE_OUTPUT_PARTITION)
-    //    ((VP9_COMP *)ctx->cpi)->output_partition = 1;
-
     /* Convert API flags to internal codec lib flags */
     lib_flags = (flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0;
 
diff --git a/vp9/vp9_iface_common.h b/vp9/vp9_iface_common.h
index ed0122c1b..95ab13fdb 100644
--- a/vp9/vp9_iface_common.h
+++ b/vp9/vp9_iface_common.h
@@ -75,7 +75,7 @@ static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
 
   yv12->border  = (img->stride[VPX_PLANE_Y] - img->w) / 2;
 #if CONFIG_ALPHA
-  // For development purposes, force alpha to hold the same data a Y for now.
+  // For development purposes, force alpha to hold the same data as Y for now.
   yv12->alpha_buffer = yv12->y_buffer;
   yv12->alpha_width = yv12->y_width;
   yv12->alpha_height = yv12->y_height;
diff --git a/vpxdec.c b/vpxdec.c
index c067609c4..6581f136d 100644
--- a/vpxdec.c
+++ b/vpxdec.c
@@ -861,7 +861,8 @@ int main_loop(int argc, const char **argv_) {
           // If the output frames are to be scaled to a fixed display size then
           // use the width and height specified in the container. If either of
           // these is set to 0, use the display size set in the first frame
-          // header.
+          // header. If that is unavailable, use the raw decoded size of the
+          // first decoded frame.
           int display_width = vpx_input_ctx.width;
           int display_height = vpx_input_ctx.height;
           if (!display_width || !display_height) {