hashirama/uvg266
1
0
Fork 0
mirror of https://github.com/ultravideo/uvg266.git synced 2024-11-27 19:24:06 +00:00
Code Issues Actions Projects Releases Wiki Activity

Reduce parallelism for tiles

Browse source 
There is still some race-condition with encoding tiles from multiple
frames, so disable this to keep the bitstream deterministic.
This commit is contained in:
Ari Koivula 2016-02-29 19:59:56 +02:00
parent 3dcc0957f8
commit cfa722e448
1 changed files with 5 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
src/encoderstate.c
View file

@ -577,11 +577,15 @@ static void encoder_state_encode(encoder_state_t * const main_state) {
#endif
main_state->children[i].tqj_recon_done = kvz_threadqueue_submit(main_state->encoder_control->threadqueue, encoder_state_worker_encode_children, &(main_state->children[i]), 1, job_description);
if (main_state->children[i].previous_encoder_state != &main_state->children[i] && main_state->children[i].previous_encoder_state->tqj_recon_done && !main_state->children[i].global->is_idr_frame) {
#if 0
// Disabled due to non-determinism.
if (main_state->encoder_control->cfg->mv_constraint == KVZ_MV_CONSTRAIN_FRAME_AND_TILE_MARGIN)
{
// When MV's don't cross tile boundaries, add dependancy only to the same tile.
kvz_threadqueue_job_dep_add(main_state->children[i].tqj_recon_done, main_state->children[i].previous_encoder_state->tqj_recon_done);
} else {
} else
#endif
{
// Add dependancy to each child in the previous frame.
for (int child_id = 0; main_state->children[child_id].encoder_control; ++child_id) {
kvz_threadqueue_job_dep_add(main_state->children[i].tqj_recon_done, main_state->children[child_id].previous_encoder_state->tqj_recon_done);