From 135ca69eb73d90cfd43508e7fc2ee0afb7a15bc3 Mon Sep 17 00:00:00 2001 From: Urvang Joshi Date: Wed, 4 Jul 2012 17:26:53 +0530 Subject: [PATCH] WebP Container Spec: Clarify that a file must contain at least one frame. Change-Id: I7ecc97084498adc108275585d0c7d0aaa9f5c6ed --- doc/webp-container-spec.txt | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/doc/webp-container-spec.txt b/doc/webp-container-spec.txt index 29f6acc3..187616a9 100644 --- a/doc/webp-container-spec.txt +++ b/doc/webp-container-spec.txt @@ -286,10 +286,10 @@ An extended format file consists of: * An optional 'META' chunk with metadata. -As will be described in the 'VP8X' chunk description, by checking a -flag one can distinguish animated and non-animated images. A -non-animated image has exactly one frame. An animated one may have -multiple frames. Data for each frame consists of: +A file MUST contain at least one frame. As will be described in the 'VP8X' +chunk description, by checking a flag one can distinguish animated and +non-animated images. A non-animated image has exactly one frame. An animated +one may have multiple frames. Data for each frame consists of: * An optional 'FRM ' (fourth character is a significant space) chunk with animation frame metadata. It MUST be present in animated