Cleanup: move stride_round_up into the only place it is used.

3 files changed, 7 insertions, 16 deletions

diff --git a/src/lib/image.cc b/src/lib/image.cc
index 2e1d3fbf5..20aece3e8 100644
--- a/src/lib/image.cc
+++ b/src/lib/image.cc
@@ -973,9 +973,15 @@ Image::allocate ()
 	_stride = (int *) wrapped_av_malloc (4 * sizeof (int));
 	_stride[0] = _stride[1] = _stride[2] = _stride[3] = 0;
 
+	auto stride_round_up = [](int stride, int t) {
+		int const a = stride + (t - 1);
+		return a - (a % t);
+	};
+
 	for (int i = 0; i < planes(); ++i) {
 		_line_size[i] = ceil (_size.width * bytes_per_pixel(i));
-		_stride[i] = stride_round_up (i, _line_size, _alignment == Alignment::PADDED ? ALIGNMENT : 1);
+		_stride[i] = stride_round_up (_line_size[i], _alignment == Alignment::PADDED ? ALIGNMENT : 1);
+
 
 		/* The assembler function ff_rgb24ToY_avx (in libswscale/x86/input.asm)
 		   uses a 16-byte fetch to read three bytes (R/G/B) of image data.
diff --git a/src/lib/util.cc b/src/lib/util.cc
index 1984ed476..2767068d4 100644
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -551,20 +551,6 @@ simple_digest (vector<boost::filesystem::path> paths)
 }
 
 
-/** Round a number up to the nearest multiple of another number.
- *  @param c Index.
- *  @param stride Array of numbers to round, indexed by c.
- *  @param t Multiple to round to.
- *  @return Rounded number.
- */
-int
-stride_round_up (int c, int const * stride, int t)
-{
-	int const a = stride[c] + (t - 1);
-	return a - (a % t);
-}
-
-
 /** Trip an assert if the caller is not in the UI thread */
 void
 ensure_ui_thread ()
diff --git a/src/lib/util.h b/src/lib/util.h
index 790feea05..a36903437 100644
--- a/src/lib/util.h
+++ b/src/lib/util.h
@@ -102,7 +102,6 @@ extern boost::filesystem::path mo_path ();
 #endif
 extern std::string tidy_for_filename (std::string);
 extern dcp::Size fit_ratio_within (float ratio, dcp::Size);
-extern int stride_round_up (int, int const *, int);
 extern void* wrapped_av_malloc (size_t);
 extern void set_backtrace_file (boost::filesystem::path);
 extern std::map<std::string, std::string> split_get_request (std::string url);