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Refactor denoiser frame buffer update

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Use frame buffer pointer swap instead of memcpy when possible.
These two CLs make the denoiser when running on vidyo1 720p at
speed -6 over 10% faster.

Change-Id: I64fe8a2422cafca6787a50c7f4dfb961191c0a9d
This commit is contained in:
Jingning Han
2015-01-07 18:30:50 -08:00
parent 29a5deb40c
commit ea061a885d
1 changed files with 25 additions and 15 deletions
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40
vp9/encoder/vp9_denoiser.c
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@@ -365,6 +365,15 @@ static void copy_frame(YV12_BUFFER_CONFIG dest, const YV12_BUFFER_CONFIG src) {
}
}
static void swap_frame_buffer(YV12_BUFFER_CONFIG dest,
YV12_BUFFER_CONFIG src) {
uint8_t *tmp_buf = dest.y_buffer;
assert(dest.y_width == src.y_width);
assert(dest.y_height == src.y_height);
dest.y_buffer = src.y_buffer;
src.y_buffer = tmp_buf;
}
void vp9_denoiser_update_frame_info(VP9_DENOISER *denoiser,
YV12_BUFFER_CONFIG src,
FRAME_TYPE frame_type,
@@ -374,22 +383,23 @@ void vp9_denoiser_update_frame_info(VP9_DENOISER *denoiser,
if (frame_type == KEY_FRAME) {
int i;
// Start at 1 so as not to overwrite the INTRA_FRAME
for (i = 1; i < MAX_REF_FRAMES; ++i) {
for (i = 1; i < MAX_REF_FRAMES; ++i)
copy_frame(denoiser->running_avg_y[i], src);
}
} else { /* For non key frames */
if (refresh_alt_ref_frame) {
copy_frame(denoiser->running_avg_y[ALTREF_FRAME],
denoiser->running_avg_y[INTRA_FRAME]);
}
if (refresh_golden_frame) {
copy_frame(denoiser->running_avg_y[GOLDEN_FRAME],
denoiser->running_avg_y[INTRA_FRAME]);
}
if (refresh_last_frame) {
copy_frame(denoiser->running_avg_y[LAST_FRAME],
denoiser->running_avg_y[INTRA_FRAME]);
}
return;
}
/* For non key frames */
if (refresh_alt_ref_frame) {
swap_frame_buffer(denoiser->running_avg_y[ALTREF_FRAME],
denoiser->running_avg_y[INTRA_FRAME]);
}
if (refresh_golden_frame) {
swap_frame_buffer(denoiser->running_avg_y[GOLDEN_FRAME],
denoiser->running_avg_y[INTRA_FRAME]);
}
if (refresh_last_frame) {
swap_frame_buffer(denoiser->running_avg_y[LAST_FRAME],
denoiser->running_avg_y[INTRA_FRAME]);
}
}