From 2cb58ab2d70dab4b78984de85ec53b7fbaa4b4cd Mon Sep 17 00:00:00 2001
From: James Zern <jzern@google.com>
Date: Fri, 17 Mar 2017 00:23:11 -0700
Subject: [PATCH] webpinfo: output format as a human readable string

Change-Id: I3a3d95bae049ee1053c9d92a364cf1b75f277f81
---
 examples/webpinfo.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/examples/webpinfo.c b/examples/webpinfo.c
index 8187ab66..47f5e6d5 100644
--- a/examples/webpinfo.c
+++ b/examples/webpinfo.c
@@ -28,6 +28,12 @@
 #define snprintf _snprintf
 #endif
 
+static const char* const kFormats[3] = {
+  "Unknown",
+  "Lossy",
+  "Lossless"
+};
+
 typedef enum {
   WEBP_INFO_OK = 0,
   WEBP_INFO_TRUNCATED_DATA,
@@ -402,9 +408,10 @@ static WebPInfoStatus ProcessImageChunk(const ChunkData* const chunk_data,
     return WEBP_INFO_BITSTREAM_ERROR;
   }
   if (!webp_info->quiet_) {
-    printf("  Width %d\n  Height %d\n  Alpha %d\n  Animation %d\n  Format %d\n",
+    assert(features.format >= 0 && features.format <= 2);
+    printf("  Width %d\n  Height %d\n  Alpha %d\n  Animation %d\n  Format %s\n",
            features.width, features.height, features.has_alpha,
-           features.has_animation, features.format);
+           features.has_animation, kFormats[features.format]);
   }
   if (webp_info->is_processing_anim_frame_) {
     ++webp_info->anmf_subchunk_counts_[chunk_data->id_ == CHUNK_VP8 ? 0 : 1];