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Clean up search initialization

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Copy lcu explicitly instead of initializing with the same parameters.
This commit is contained in:
Ari Koivula 2016-02-17 14:52:42 +02:00
parent e5c84c361c
commit eeafe14946
1 changed files with 11 additions and 5 deletions
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16
src/search.c
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@ -777,6 +777,8 @@ static double search_cu(encoder_state_t * const state, int x, int y, int depth,
static void init_lcu_t(const encoder_state_t * const state, const int x, const int y, lcu_t *lcu, const yuv_t *hor_buf, const yuv_t *ver_buf)
{
const videoframe_t * const frame = state->tile->frame;
FILL(*lcu, 0);
// Copy reference cu_info structs from neighbouring LCUs.
{
@ -912,16 +914,20 @@ static void copy_lcu_to_cu_data(const encoder_state_t * const state, int x_px, i
*/
void kvz_search_lcu(encoder_state_t * const state, const int x, const int y, const yuv_t * const hor_buf, const yuv_t * const ver_buf)
{
// Initialize the same starting state to every depth. The search process
// will use these as temporary storage for predictions before making
// a decision on which to use, and they get updated during the search
// process.
lcu_t work_tree[MAX_PU_DEPTH + 1];
int depth;
// Initialize work tree.
for (depth = 0; depth <= MAX_PU_DEPTH; ++depth) {
FILL(work_tree[depth], 0);
init_lcu_t(state, x, y, &work_tree[depth], hor_buf, ver_buf);
init_lcu_t(state, x, y, &work_tree[0], hor_buf, ver_buf);
for (int depth = 1; depth <= MAX_PU_DEPTH; ++depth) {
work_tree[depth] = work_tree[0];
}
// Start search from depth 0.
search_cu(state, x, y, 0, work_tree);
// The best decisions through out the LCU got propagated back to depth 0,
// so copy those back to the frame.
copy_lcu_to_cu_data(state, x, y, &work_tree[0]);
}