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Message-ID: <20231023185850.67082-3-detlev.casanova@collabora.com>
Date: Mon, 23 Oct 2023 14:58:22 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: linux-media@...r.kernel.org,
Daniel Almeida <daniel.almeida@...labora.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Detlev Casanova <detlev.casanova@...labora.com>
Subject: [PATCH 2/5] media: visl: Add a stable_output parameter
This parameter is used to ensure that for a given input, the output
frames are always identical so that it can be compared against
a reference in automatic tests.
Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
---
drivers/media/test-drivers/visl/visl-core.c | 5 +
drivers/media/test-drivers/visl/visl-dec.c | 125 +++++++++++---------
drivers/media/test-drivers/visl/visl.h | 1 +
3 files changed, 77 insertions(+), 54 deletions(-)
diff --git a/drivers/media/test-drivers/visl/visl-core.c b/drivers/media/test-drivers/visl/visl-core.c
index df6515530fbf..d28d50afec02 100644
--- a/drivers/media/test-drivers/visl/visl-core.c
+++ b/drivers/media/test-drivers/visl/visl-core.c
@@ -88,6 +88,11 @@ module_param(bitstream_trace_nframes, uint, 0);
MODULE_PARM_DESC(bitstream_trace_nframes,
" the number of frames to dump the bitstream through debugfs");
+bool stable_output;
+module_param(stable_output, bool, 0644);
+MODULE_PARM_DESC(stable_output,
+ " only write stable data for a given input on the output frames");
+
static const struct visl_ctrl_desc visl_fwht_ctrl_descs[] = {
{
.cfg.id = V4L2_CID_STATELESS_FWHT_PARAMS,
diff --git a/drivers/media/test-drivers/visl/visl-dec.c b/drivers/media/test-drivers/visl/visl-dec.c
index 318d675e5668..61cfca49ead9 100644
--- a/drivers/media/test-drivers/visl/visl-dec.c
+++ b/drivers/media/test-drivers/visl/visl-dec.c
@@ -197,19 +197,30 @@ static void visl_tpg_fill_sequence(struct visl_ctx *ctx,
{
u32 stream_ms;
- stream_ms = jiffies_to_msecs(get_jiffies_64() - ctx->capture_streamon_jiffies);
-
- scnprintf(buf, bufsz,
- "stream time: %02d:%02d:%02d:%03d sequence:%u timestamp:%lld field:%s",
- (stream_ms / (60 * 60 * 1000)) % 24,
- (stream_ms / (60 * 1000)) % 60,
- (stream_ms / 1000) % 60,
- stream_ms % 1000,
- run->dst->sequence,
- run->dst->vb2_buf.timestamp,
- (run->dst->field == V4L2_FIELD_ALTERNATE) ?
- (run->dst->field == V4L2_FIELD_TOP ?
- " top" : " bottom") : "none");
+ if (!stable_output) {
+ stream_ms = jiffies_to_msecs(get_jiffies_64() - ctx->capture_streamon_jiffies);
+
+ scnprintf(buf, bufsz,
+ "stream time: %02d:%02d:%02d:%03d sequence:%u timestamp:%lld field:%s",
+ (stream_ms / (60 * 60 * 1000)) % 24,
+ (stream_ms / (60 * 1000)) % 60,
+ (stream_ms / 1000) % 60,
+ stream_ms % 1000,
+ run->dst->sequence,
+ run->dst->vb2_buf.timestamp,
+ (run->dst->field == V4L2_FIELD_ALTERNATE) ?
+ (run->dst->field == V4L2_FIELD_TOP ?
+ " top" : " bottom") : "none");
+ } else {
+ scnprintf(buf, bufsz,
+ "sequence:%u timestamp:%lld field:%s",
+ run->dst->sequence,
+ run->dst->vb2_buf.timestamp,
+ (run->dst->field == V4L2_FIELD_ALTERNATE) ?
+ (run->dst->field == V4L2_FIELD_TOP ?
+ " top" : " bottom") : "none");
+
+ }
}
static void visl_tpg_fill(struct visl_ctx *ctx, struct visl_run *run)
@@ -244,15 +255,17 @@ static void visl_tpg_fill(struct visl_ctx *ctx, struct visl_run *run)
frame_dprintk(ctx->dev, run->dst->sequence, "");
line++;
- visl_get_ref_frames(ctx, buf, TPG_STR_BUF_SZ, run);
+ if (!stable_output) {
+ visl_get_ref_frames(ctx, buf, TPG_STR_BUF_SZ, run);
- while ((line_str = strsep(&tmp, "\n")) && strlen(line_str)) {
- tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, line_str);
- frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", line_str);
- }
+ while ((line_str = strsep(&tmp, "\n")) && strlen(line_str)) {
+ tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, line_str);
+ frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", line_str);
+ }
- frame_dprintk(ctx->dev, run->dst->sequence, "");
- line++;
+ frame_dprintk(ctx->dev, run->dst->sequence, "");
+ line++;
+ }
scnprintf(buf,
TPG_STR_BUF_SZ,
@@ -280,28 +293,30 @@ static void visl_tpg_fill(struct visl_ctx *ctx, struct visl_run *run)
frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf);
}
- line++;
- frame_dprintk(ctx->dev, run->dst->sequence, "");
- scnprintf(buf, TPG_STR_BUF_SZ, "Output queue status:");
- tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, buf);
- frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf);
+ if (!stable_output) {
+ line++;
+ frame_dprintk(ctx->dev, run->dst->sequence, "");
+ scnprintf(buf, TPG_STR_BUF_SZ, "Output queue status:");
+ tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, buf);
+ frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf);
- len = 0;
- for (i = 0; i < out_q->num_buffers; i++) {
- char entry[] = "index: %u, state: %s, request_fd: %d, ";
- u32 old_len = len;
- char *q_status = visl_get_vb2_state(out_q->bufs[i]->state);
+ len = 0;
+ for (i = 0; i < out_q->num_buffers; i++) {
+ char entry[] = "index: %u, state: %s, request_fd: %d, ";
+ u32 old_len = len;
+ char *q_status = visl_get_vb2_state(out_q->bufs[i]->state);
- len += scnprintf(&buf[len], TPG_STR_BUF_SZ - len,
- entry, i, q_status,
- to_vb2_v4l2_buffer(out_q->bufs[i])->request_fd);
+ len += scnprintf(&buf[len], TPG_STR_BUF_SZ - len,
+ entry, i, q_status,
+ to_vb2_v4l2_buffer(out_q->bufs[i])->request_fd);
- len += visl_fill_bytesused(to_vb2_v4l2_buffer(out_q->bufs[i]),
- &buf[len],
- TPG_STR_BUF_SZ - len);
+ len += visl_fill_bytesused(to_vb2_v4l2_buffer(out_q->bufs[i]),
+ &buf[len],
+ TPG_STR_BUF_SZ - len);
- tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, &buf[old_len]);
- frame_dprintk(ctx->dev, run->dst->sequence, "%s", &buf[old_len]);
+ tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, &buf[old_len]);
+ frame_dprintk(ctx->dev, run->dst->sequence, "%s", &buf[old_len]);
+ }
}
line++;
@@ -333,25 +348,27 @@ static void visl_tpg_fill(struct visl_ctx *ctx, struct visl_run *run)
frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf);
}
- line++;
- frame_dprintk(ctx->dev, run->dst->sequence, "");
- scnprintf(buf, TPG_STR_BUF_SZ, "Capture queue status:");
- tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, buf);
- frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf);
+ if (!stable_output) {
+ line++;
+ frame_dprintk(ctx->dev, run->dst->sequence, "");
+ scnprintf(buf, TPG_STR_BUF_SZ, "Capture queue status:");
+ tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, buf);
+ frame_dprintk(ctx->dev, run->dst->sequence, "%s\n", buf);
- len = 0;
- for (i = 0; i < cap_q->num_buffers; i++) {
- u32 old_len = len;
- char *q_status = visl_get_vb2_state(cap_q->bufs[i]->state);
+ len = 0;
+ for (i = 0; i < cap_q->num_buffers; i++) {
+ u32 old_len = len;
+ char *q_status = visl_get_vb2_state(cap_q->bufs[i]->state);
- len += scnprintf(&buf[len], TPG_STR_BUF_SZ - len,
- "index: %u, status: %s, timestamp: %llu, is_held: %d",
- cap_q->bufs[i]->index, q_status,
- cap_q->bufs[i]->timestamp,
- to_vb2_v4l2_buffer(cap_q->bufs[i])->is_held);
+ len += scnprintf(&buf[len], TPG_STR_BUF_SZ - len,
+ "index: %u, status: %s, timestamp: %llu, is_held: %d",
+ cap_q->bufs[i]->index, q_status,
+ cap_q->bufs[i]->timestamp,
+ to_vb2_v4l2_buffer(cap_q->bufs[i])->is_held);
- tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, &buf[old_len]);
- frame_dprintk(ctx->dev, run->dst->sequence, "%s", &buf[old_len]);
+ tpg_gen_text(&ctx->tpg, basep, line++ * line_height, 16, &buf[old_len]);
+ frame_dprintk(ctx->dev, run->dst->sequence, "%s", &buf[old_len]);
+ }
}
}
diff --git a/drivers/media/test-drivers/visl/visl.h b/drivers/media/test-drivers/visl/visl.h
index 31639f2e593d..5a81b493f121 100644
--- a/drivers/media/test-drivers/visl/visl.h
+++ b/drivers/media/test-drivers/visl/visl.h
@@ -85,6 +85,7 @@ extern unsigned int visl_dprintk_nframes;
extern bool keep_bitstream_buffers;
extern int bitstream_trace_frame_start;
extern unsigned int bitstream_trace_nframes;
+extern bool stable_output;
#define frame_dprintk(dev, current, fmt, arg...) \
do { \
--
2.41.0
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