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vp9_firstpass.c : clear warning re: use of null lc

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Change-Id: I80f81f6f4f15766f504c15f8c20258a84bbaa9ac
This commit is contained in:
Jim Bankoski
2014-08-18 16:44:48 -07:00
parent 940db8fc4e
commit b78f8f6700
1 changed files with 14 additions and 16 deletions
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30
vp9/encoder/vp9_firstpass.c
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@@ -432,6 +432,8 @@ void vp9_first_pass(VP9_COMP *cpi) {
TWO_PASS *twopass = &cpi->twopass;
const MV zero_mv = {0, 0};
const YV12_BUFFER_CONFIG *first_ref_buf = lst_yv12;
LAYER_CONTEXT *const lc = is_spatial_svc(cpi) ?
&cpi->svc.layer_context[cpi->svc.spatial_layer_id] : 0;
#if CONFIG_FP_MB_STATS
if (cpi->use_fp_mb_stats) {
@@ -444,15 +446,14 @@ void vp9_first_pass(VP9_COMP *cpi) {
set_first_pass_params(cpi);
vp9_set_quantizer(cm, find_fp_qindex());
if (is_spatial_svc(cpi)) {
if (lc != NULL) {
MV_REFERENCE_FRAME ref_frame = LAST_FRAME;
const YV12_BUFFER_CONFIG *scaled_ref_buf = NULL;
twopass = &cpi->svc.layer_context[cpi->svc.spatial_layer_id].twopass;
twopass = &lc->twopass;
if (cpi->common.current_video_frame == 0) {
cpi->ref_frame_flags = 0;
} else {
LAYER_CONTEXT *lc = &cpi->svc.layer_context[cpi->svc.spatial_layer_id];
if (lc->current_video_frame_in_layer == 0)
cpi->ref_frame_flags = VP9_GOLD_FLAG;
else
@@ -613,7 +614,7 @@ void vp9_first_pass(VP9_COMP *cpi) {
&unscaled_last_source_buf_2d);
// TODO(pengchong): Replace the hard-coded threshold
if (raw_motion_error > 25 || is_spatial_svc(cpi)) {
if (raw_motion_error > 25 || lc != NULL) {
// Test last reference frame using the previous best mv as the
// starting point (best reference) for the search.
first_pass_motion_search(cpi, x, &best_ref_mv.as_mv, &mv.as_mv,
@@ -895,7 +896,7 @@ void vp9_first_pass(VP9_COMP *cpi) {
vp9_extend_frame_borders(new_yv12);
if (is_spatial_svc(cpi)) {
if (lc != NULL) {
vp9_update_reference_frames(cpi);
} else {
// Swap frame pointers so last frame refers to the frame we just compressed.
@@ -1554,8 +1555,6 @@ static void define_gf_group(VP9_COMP *cpi, FIRSTPASS_STATS *this_frame) {
vp9_clear_system_state();
vp9_zero(next_frame);
gf_group_bits = 0;
// Load stats for the current frame.
mod_frame_err = calculate_modified_err(twopass, oxcf, this_frame);
@@ -2124,10 +2123,10 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) {
FIRSTPASS_STATS this_frame_copy;
int target_rate;
LAYER_CONTEXT *lc = NULL;
LAYER_CONTEXT *const lc = is_spatial_svc(cpi) ?
&cpi->svc.layer_context[cpi->svc.spatial_layer_id] : 0;
if (is_spatial_svc(cpi)) {
lc = &cpi->svc.layer_context[cpi->svc.spatial_layer_id];
if (lc != NULL) {
frames_left = (int)(twopass->total_stats.count -
lc->current_video_frame_in_layer);
} else {
@@ -2154,7 +2153,7 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) {
vp9_rc_set_frame_target(cpi, target_rate);
cm->frame_type = INTER_FRAME;
if (is_spatial_svc(cpi)) {
if (lc != NULL) {
if (cpi->svc.spatial_layer_id == 0) {
lc->is_key_frame = 0;
} else {
@@ -2170,7 +2169,7 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) {
vp9_clear_system_state();
if (is_spatial_svc(cpi) && twopass->kf_intra_err_min == 0) {
if (lc != NULL && twopass->kf_intra_err_min == 0) {
twopass->kf_intra_err_min = KF_MB_INTRA_MIN * cpi->common.MBs;
twopass->gf_intra_err_min = GF_MB_INTRA_MIN * cpi->common.MBs;
}
@@ -2178,8 +2177,7 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) {
if (cpi->oxcf.rc_mode == VPX_Q) {
twopass->active_worst_quality = cpi->oxcf.cq_level;
} else if (cm->current_video_frame == 0 ||
(is_spatial_svc(cpi) &&
lc->current_video_frame_in_layer == 0)) {
(lc != NULL && lc->current_video_frame_in_layer == 0)) {
// Special case code for first frame.
const int section_target_bandwidth = (int)(twopass->bits_left /
frames_left);
@@ -2205,7 +2203,7 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) {
cm->frame_type = INTER_FRAME;
}
if (is_spatial_svc(cpi)) {
if (lc != NULL) {
if (cpi->svc.spatial_layer_id == 0) {
lc->is_key_frame = (cm->frame_type == KEY_FRAME);
if (lc->is_key_frame)
@@ -2236,7 +2234,7 @@ void vp9_rc_get_second_pass_params(VP9_COMP *cpi) {
}
rc->frames_till_gf_update_due = rc->baseline_gf_interval;
if (!is_spatial_svc(cpi))
if (lc != NULL)
cpi->refresh_golden_frame = 1;
}