@@ -1,5 +1,5 @@
obj-$(CONFIG_VIDEO_STI_DELTA) := st-delta.o
-st-delta-y := delta-v4l2.o delta-mem.o delta-ipc.o
+st-delta-y := delta-v4l2.o delta-mem.o delta-ipc.o delta-debug.o
# MJPEG support
st-delta-$(CONFIG_VIDEO_STI_DELTA_MJPEG) += delta-mjpeg-hdr.o
new file mode 100644
@@ -0,0 +1,164 @@
+/*
+ * 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)
+{
+ char *cur = str;
+ size_t left = len;
+ int ret = 0;
+ int cnt = 0;
+
+ if (!s)
+ return NULL;
+
+ ret = snprintf(cur, left,
+ "%4.4s %dx%d %s %s dpb=%d %s",
+ (char *)&s->streamformat,
+ s->width, s->height,
+ s->profile, s->level,
+ s->dpb,
+ (s->field == V4L2_FIELD_NONE) ?
+ "progressive" : "interlaced");
+ cnt = (left > ret ? ret : left);
+
+ if (s->flags & DELTA_STREAMINFO_FLAG_CROP) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ " crop=%dx%d@(%d,%d)",
+ s->crop.width, s->crop.height,
+ s->crop.left, s->crop.top);
+ cnt = (left > ret ? ret : left);
+ }
+
+ if (s->flags & DELTA_STREAMINFO_FLAG_PIXELASPECT) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ " pixel aspect=%d/%d",
+ s->pixelaspect.numerator,
+ s->pixelaspect.denominator);
+ cnt = (left > ret ? ret : left);
+ }
+
+ if (s->flags & DELTA_STREAMINFO_FLAG_OTHER) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left, " %s", s->other);
+ cnt = (left > ret ? ret : left);
+ }
+
+ return str;
+}
+
+char *delta_frameinfo_str(struct delta_frameinfo *f, char *str,
+ unsigned int len)
+{
+ char *cur = str;
+ size_t left = len;
+ int ret = 0;
+ int cnt = 0;
+
+ if (!f)
+ return NULL;
+
+ ret = snprintf(cur, left,
+ "%4.4s %dx%d aligned %dx%d %s",
+ (char *)&f->pixelformat,
+ f->width, f->height,
+ f->aligned_width, f->aligned_height,
+ (f->field == V4L2_FIELD_NONE) ?
+ "progressive" : "interlaced");
+ cnt = (left > ret ? ret : left);
+
+ if (f->flags & DELTA_FRAMEINFO_FLAG_CROP) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ " crop=%dx%d@(%d,%d)",
+ f->crop.width, f->crop.height,
+ f->crop.left, f->crop.top);
+ cnt = (left > ret ? ret : left);
+ }
+
+ if (f->flags & DELTA_FRAMEINFO_FLAG_PIXELASPECT) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ " pixel aspect=%d/%d",
+ f->pixelaspect.numerator,
+ f->pixelaspect.denominator);
+ cnt = (left > ret ? ret : left);
+ }
+
+ return str;
+}
+
+char *delta_summary_str(struct delta_ctx *ctx, char *str, unsigned int len)
+{
+ char *cur = str;
+ size_t left = len;
+ int cnt = 0;
+ int ret = 0;
+ unsigned char sstr[200] = "";
+
+ if (!(ctx->flags & DELTA_FLAG_STREAMINFO))
+ return NULL;
+
+ ret = snprintf(cur, left,
+ "%s",
+ delta_streaminfo_str(&ctx->streaminfo, sstr,
+ sizeof(sstr)));
+ cnt = (left > ret ? ret : left);
+
+ if (ctx->decoded_frames) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ ", %d frames decoded", ctx->decoded_frames);
+ cnt = (left > ret ? ret : left);
+ }
+
+ if (ctx->output_frames) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ ", %d frames output", ctx->output_frames);
+ cnt = (left > ret ? ret : left);
+ }
+
+ if (ctx->dropped_frames) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ ", %d frames dropped", ctx->dropped_frames);
+ cnt = (left > ret ? ret : left);
+ }
+
+ if (ctx->stream_errors) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ ", %d stream errors", ctx->stream_errors);
+ cnt = (left > ret ? ret : left);
+ }
+
+ if (ctx->decode_errors) {
+ cur += cnt;
+ left -= cnt;
+ ret = snprintf(cur, left,
+ ", %d decode errors", ctx->decode_errors);
+ cnt = (left > ret ? ret : left);
+ }
+
+ return str;
+}
new file mode 100644
@@ -0,0 +1,18 @@
+/*
+ * 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
+ */
+
+#ifndef DELTA_DEBUG_H
+#define DELTA_DEBUG_H
+
+char *delta_streaminfo_str(struct delta_streaminfo *s, char *str,
+ unsigned int len);
+char *delta_frameinfo_str(struct delta_frameinfo *f, char *str,
+ unsigned int len);
+char *delta_summary_str(struct delta_ctx *ctx, char *str, unsigned int len);
+
+#endif /* DELTA_DEBUG_H */
@@ -17,6 +17,7 @@
#include <media/videobuf2-dma-contig.h>
#include "delta.h"
+#include "delta-debug.h"
#include "delta-ipc.h"
#define DELTA_NAME "st-delta"
@@ -499,11 +500,13 @@ static int delta_g_fmt_stream(struct file *file, void *fh,
struct delta_dev *delta = ctx->dev;
struct v4l2_pix_format *pix = &f->fmt.pix;
struct delta_streaminfo *streaminfo = &ctx->streaminfo;
+ unsigned char str[100] = "";
if (!(ctx->flags & DELTA_FLAG_STREAMINFO))
dev_dbg(delta->dev,
- "%s V4L2 GET_FMT (OUTPUT): no stream information available, using default\n",
- ctx->name);
+ "%s V4L2 GET_FMT (OUTPUT): no stream information available, default to %s\n",
+ ctx->name,
+ delta_streaminfo_str(streaminfo, str, sizeof(str)));
pix->pixelformat = streaminfo->streamformat;
pix->width = streaminfo->width;
@@ -526,11 +529,13 @@ static int delta_g_fmt_frame(struct file *file, void *fh, struct v4l2_format *f)
struct v4l2_pix_format *pix = &f->fmt.pix;
struct delta_frameinfo *frameinfo = &ctx->frameinfo;
struct delta_streaminfo *streaminfo = &ctx->streaminfo;
+ unsigned char str[100] = "";
if (!(ctx->flags & DELTA_FLAG_FRAMEINFO))
dev_dbg(delta->dev,
- "%s V4L2 GET_FMT (CAPTURE): no frame information available, using default\n",
- ctx->name);
+ "%s V4L2 GET_FMT (CAPTURE): no frame information available, default to %s\n",
+ ctx->name,
+ delta_frameinfo_str(frameinfo, str, sizeof(str)));
pix->pixelformat = frameinfo->pixelformat;
pix->width = frameinfo->aligned_width;
@@ -713,6 +718,7 @@ static int delta_s_fmt_frame(struct file *file, void *fh, struct v4l2_format *f)
const struct delta_dec *dec = ctx->dec;
struct v4l2_pix_format *pix = &f->fmt.pix;
struct delta_frameinfo frameinfo;
+ unsigned char str[100] = "";
struct vb2_queue *vq;
int ret;
@@ -764,6 +770,10 @@ static int delta_s_fmt_frame(struct file *file, void *fh, struct v4l2_format *f)
ctx->flags |= DELTA_FLAG_FRAMEINFO;
ctx->frameinfo = frameinfo;
+ dev_dbg(delta->dev,
+ "%s V4L2 SET_FMT (CAPTURE): frameinfo updated to %s\n",
+ ctx->name,
+ delta_frameinfo_str(&frameinfo, str, sizeof(str)));
pix->pixelformat = frameinfo.pixelformat;
pix->width = frameinfo.aligned_width;
@@ -1455,6 +1465,7 @@ static int delta_vb2_au_start_streaming(struct vb2_queue *q,
const struct delta_dec *dec = ctx->dec;
struct delta_au *au;
unsigned char str[100] = "";
+ unsigned char str2[100] = "";
int ret = 0;
struct vb2_v4l2_buffer *vbuf;
struct delta_streaminfo *streaminfo = &ctx->streaminfo;
@@ -1514,6 +1525,10 @@ static int delta_vb2_au_start_streaming(struct vb2_queue *q,
ctx->state = DELTA_STATE_READY;
+ dev_info(delta->dev, "%s %s => %s\n", ctx->name,
+ delta_streaminfo_str(streaminfo, str, sizeof(str)),
+ delta_frameinfo_str(frameinfo, str2, sizeof(str2)));
+
delta_au_done(ctx, au, ret);
return 0;
@@ -1826,12 +1841,20 @@ static int delta_release(struct file *file)
struct delta_ctx *ctx = to_ctx(file->private_data);
struct delta_dev *delta = ctx->dev;
const struct delta_dec *dec = ctx->dec;
+ unsigned char str[200] = "";
mutex_lock(&delta->lock);
/* close decoder */
call_dec_op(dec, close, ctx);
+ /* trace a summary of instance
+ * before closing (debug purpose)
+ */
+ if (ctx->flags & DELTA_FLAG_STREAMINFO)
+ dev_info(delta->dev, "%s %s\n", ctx->name,
+ delta_summary_str(ctx, str, sizeof(str)));
+
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
v4l2_fh_del(&ctx->fh);
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com> --- drivers/media/platform/sti/delta/Makefile | 2 +- drivers/media/platform/sti/delta/delta-debug.c | 164 +++++++++++++++++++++++++ drivers/media/platform/sti/delta/delta-debug.h | 18 +++ drivers/media/platform/sti/delta/delta-v4l2.c | 31 ++++- 4 files changed, 210 insertions(+), 5 deletions(-) create mode 100644 drivers/media/platform/sti/delta/delta-debug.c create mode 100644 drivers/media/platform/sti/delta/delta-debug.h