1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/media/platform/sti/delta/delta-debug.c b/drivers/media/platform/sti/delta/delta-debug.c
new file mode 100644
index 000000000000..a7ebf2cc7783
--- /dev/null
+++ b/drivers/media/platform/sti/delta/delta-debug.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) STMicroelectronics SA 2015
+ * Authors: Hugues Fruchet <hugues.fruchet@st.com>
+ *          Fabrice Lecoultre <fabrice.lecoultre@st.com>
+ *          for STMicroelectronics.
+ * License terms:  GNU General Public License (GPL), version 2
+ */
+
+#include "delta.h"
+#include "delta-debug.h"
+
+char *delta_streaminfo_str(struct delta_streaminfo *s, char *str,
+			   unsigned int len)
+{
+	if (!s)
+		return NULL;
+
+	snprintf(str, len,
+		 "%4.4s %dx%d %s %s dpb=%d %s %s %s%dx%d@(%d,%d) %s%d/%d",
+		 (char *)&s->streamformat, s->width, s->height,
+		 s->profile, s->level, s->dpb,
+		 (s->field == V4L2_FIELD_NONE) ? "progressive" : "interlaced",
+		 s->other,
+		 s->flags & DELTA_STREAMINFO_FLAG_CROP ? "crop=" : "",
+		 s->crop.width, s->crop.height,
+		 s->crop.left, s->crop.top,
+		 s->flags & DELTA_STREAMINFO_FLAG_PIXELASPECT ? "par=" : "",
+		 s->pixelaspect.numerator,
+		 s->pixelaspect.denominator);
+
+	return str;
+}
+
+char *delta_frameinfo_str(struct delta_frameinfo *f, char *str,
+			  unsigned int len)
+{
+	if (!f)
+		return NULL;
+
+	snprintf(str, len,
+		 "%4.4s %dx%d aligned %dx%d %s %s%dx%d@(%d,%d) %s%d/%d",
+		 (char *)&f->pixelformat, f->width, f->height,
+		 f->aligned_width, f->aligned_height,
+		 (f->field == V4L2_FIELD_NONE) ? "progressive" : "interlaced",
+		 f->flags & DELTA_STREAMINFO_FLAG_CROP ? "crop=" : "",
+		 f->crop.width, f->crop.height,
+		 f->crop.left, f->crop.top,
+		 f->flags & DELTA_STREAMINFO_FLAG_PIXELASPECT ? "par=" : "",
+		 f->pixelaspect.numerator,
+		 f->pixelaspect.denominator);
+
+	return str;
+}
+
+void delta_trace_summary(struct delta_ctx *ctx)
+{
+	struct delta_dev *delta = ctx->dev;
+	struct delta_streaminfo *s = &ctx->streaminfo;
+	unsigned char str[100] = "";
+
+	if (!(ctx->flags & DELTA_FLAG_STREAMINFO))
+		return;
+
+	dev_dbg(delta->dev, "%s %s, %d frames decoded, %d frames output, %d frames dropped, %d stream errors, %d decode errors",
+		ctx->name,
+		delta_streaminfo_str(s, str, sizeof(str)),
+		ctx->decoded_frames,
+		ctx->output_frames,
+		ctx->dropped_frames,
+		ctx->stream_errors,
+		ctx->decode_errors);
+}