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[svc] Turn on frame_parallel_decoding_mode

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Change-Id: I33b0384ee87f83950e03be6c999bc5f193055fd3
This commit is contained in:
Minghai Shang 2015-05-20 10:56:48 -07:00
parent 976f7f42c1
commit e2c6a633fb
1 changed files with 15 additions and 15 deletions
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30
vp9/encoder/vp9_encoder.c
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@ -3480,28 +3480,28 @@ static void encode_frame_to_data_rate(VP9_COMP *cpi,
cpi->svc.spatial_layer_id * cpi->svc.number_temporal_layers +
cpi->svc.temporal_layer_id;
cm->frame_parallel_decoding_mode = oxcf->frame_parallel_decoding_mode;
// The probs will be updated based on the frame type of its previous
// frame if frame_parallel_decoding_mode is 0. The type may vary for
// the frame after a key frame in base layer since we may drop enhancement
// layers. So set frame_parallel_decoding_mode to 1 in this case.
if (cpi->svc.number_temporal_layers == 1) {
if (cpi->svc.spatial_layer_id == 0 &&
cpi->svc.layer_context[0].last_frame_type == KEY_FRAME)
cm->frame_parallel_decoding_mode = 1;
else
cm->frame_parallel_decoding_mode = 0;
} else if (cpi->svc.spatial_layer_id == 0) {
// Find the 2nd frame in temporal base layer and 1st frame in temporal
// enhancement layers from the key frame.
int i;
for (i = 0; i < cpi->svc.number_temporal_layers; ++i) {
if (cpi->svc.layer_context[0].frames_from_key_frame == 1 << i) {
if (cm->frame_parallel_decoding_mode == 0) {
if (cpi->svc.number_temporal_layers == 1) {
if (cpi->svc.spatial_layer_id == 0 &&
cpi->svc.layer_context[0].last_frame_type == KEY_FRAME)
cm->frame_parallel_decoding_mode = 1;
break;
} else if (cpi->svc.spatial_layer_id == 0) {
// Find the 2nd frame in temporal base layer and 1st frame in temporal
// enhancement layers from the key frame.
int i;
for (i = 0; i < cpi->svc.number_temporal_layers; ++i) {
if (cpi->svc.layer_context[0].frames_from_key_frame == 1 << i) {
cm->frame_parallel_decoding_mode = 1;
break;
}
}
}
if (i == cpi->svc.number_temporal_layers)
cm->frame_parallel_decoding_mode = 0;
}
}