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-rw-r--r--libhb/nlmeans.c38
1 files changed, 22 insertions, 16 deletions
diff --git a/libhb/nlmeans.c b/libhb/nlmeans.c
index d5eeaabd8..02433e3d3 100644
--- a/libhb/nlmeans.c
+++ b/libhb/nlmeans.c
@@ -130,6 +130,7 @@ struct hb_filter_private_s
int range[3]; // spatial search window width (must be odd)
int nframes[3]; // temporal search depth in frames
int prefilter[3]; // prefilter mode, can improve weight analysis
+ int threads; // number of frame threads to use, 0 == auto
float exptable[3][NLMEANS_EXPSIZE];
float weight_fact_table[3];
@@ -142,7 +143,6 @@ struct hb_filter_private_s
int max_frames;
taskset_t taskset;
- int thread_count;
nlmeans_thread_arg_t **thread_data;
};
@@ -163,7 +163,8 @@ static const char nlmeans_template[] =
"cb-frame-count=^"HB_INT_REG"$:cb-prefilter=^"HB_INT_REG"$:"
"cr-strength=^"HB_FLOAT_REG"$:cr-origin-tune=^"HB_FLOAT_REG"$:"
"cr-patch-size=^"HB_INT_REG"$:cr-range=^"HB_INT_REG"$:"
- "cr-frame-count=^"HB_INT_REG"$:cr-prefilter=^"HB_INT_REG"$";
+ "cr-frame-count=^"HB_INT_REG"$:cr-prefilter=^"HB_INT_REG"$:"
+ "threads=^"HB_INT_REG"$";
hb_filter_object_t hb_filter_nlmeans =
{
@@ -800,6 +801,7 @@ static int nlmeans_init(hb_filter_object_t *filter,
pv->nframes[c] = -1;
pv->prefilter[c] = -1;
}
+ pv->threads = -1;
// Read user parameters
if (filter->settings != NULL)
@@ -825,6 +827,8 @@ static int nlmeans_init(hb_filter_object_t *filter,
hb_dict_extract_int(&pv->range[2], dict, "cr-range");
hb_dict_extract_int(&pv->nframes[2], dict, "cr-frame-count");
hb_dict_extract_int(&pv->prefilter[2], dict, "cr-prefilter");
+
+ hb_dict_extract_int(&pv->threads, dict, "threads");
}
// Cascade values
@@ -879,9 +883,11 @@ static int nlmeans_init(hb_filter_object_t *filter,
exptable[NLMEANS_EXPSIZE-1] = 0;
}
- pv->thread_count = hb_get_cpu_count();
- pv->frame = calloc(pv->thread_count + pv->max_frames, sizeof(Frame));
- for (int ii = 0; ii < pv->thread_count + pv->max_frames; ii++)
+ // Sanitize
+ if (pv->threads < 1) { pv->threads = hb_get_cpu_count(); }
+
+ pv->frame = calloc(pv->threads + pv->max_frames, sizeof(Frame));
+ for (int ii = 0; ii < pv->threads + pv->max_frames; ii++)
{
for (int c = 0; c < 3; c++)
{
@@ -889,15 +895,15 @@ static int nlmeans_init(hb_filter_object_t *filter,
}
}
- pv->thread_data = malloc(pv->thread_count * sizeof(nlmeans_thread_arg_t*));
- if (taskset_init(&pv->taskset, pv->thread_count,
+ pv->thread_data = malloc(pv->threads * sizeof(nlmeans_thread_arg_t*));
+ if (taskset_init(&pv->taskset, pv->threads,
sizeof(nlmeans_thread_arg_t)) == 0)
{
hb_error("NLMeans could not initialize taskset");
goto fail;
}
- for (int ii = 0; ii < pv->thread_count; ii++)
+ for (int ii = 0; ii < pv->threads; ii++)
{
pv->thread_data[ii] = taskset_thread_args(&pv->taskset, ii);
if (pv->thread_data[ii] == NULL)
@@ -952,7 +958,7 @@ static void nlmeans_close(hb_filter_object_t *filter)
}
}
- for (int ii = 0; ii < pv->thread_count + pv->max_frames; ii++)
+ for (int ii = 0; ii < pv->threads + pv->max_frames; ii++)
{
for (int c = 0; c < 3; c++)
{
@@ -1057,7 +1063,7 @@ static void nlmeans_add_frame(hb_filter_private_t *pv, hb_buffer_t *buf)
static hb_buffer_t * nlmeans_filter(hb_filter_private_t *pv)
{
- if (pv->next_frame < pv->max_frames + pv->thread_count)
+ if (pv->next_frame < pv->max_frames + pv->threads)
{
return NULL;
}
@@ -1067,7 +1073,7 @@ static hb_buffer_t * nlmeans_filter(hb_filter_private_t *pv)
// Free buffers that are not needed for next taskset cycle
for (int c = 0; c < 3; c++)
{
- for (int t = 0; t < pv->thread_count; t++)
+ for (int t = 0; t < pv->threads; t++)
{
// Release last frame in buffer
if (pv->frame[t].plane[c].mem_pre != NULL &&
@@ -1088,20 +1094,20 @@ static hb_buffer_t * nlmeans_filter(hb_filter_private_t *pv)
{
// Don't move the mutex!
Frame frame = pv->frame[f];
- pv->frame[f] = pv->frame[f+pv->thread_count];
+ pv->frame[f] = pv->frame[f+pv->threads];
for (int c = 0; c < 3; c++)
{
pv->frame[f].plane[c].mutex = frame.plane[c].mutex;
- pv->frame[f+pv->thread_count].plane[c].mem_pre = NULL;
- pv->frame[f+pv->thread_count].plane[c].mem = NULL;
+ pv->frame[f+pv->threads].plane[c].mem_pre = NULL;
+ pv->frame[f+pv->threads].plane[c].mem = NULL;
}
}
- pv->next_frame -= pv->thread_count;
+ pv->next_frame -= pv->threads;
// Collect results from taskset
hb_buffer_list_t list;
hb_buffer_list_clear(&list);
- for (int t = 0; t < pv->thread_count; t++)
+ for (int t = 0; t < pv->threads; t++)
{
hb_buffer_list_append(&list, pv->thread_data[t]->out);
}