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rtc-vp9: Fix intra-only for bypass mode

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Allow intra-only frame in svc to also work
in bypass (flexible-svc) mode.

Added unittest for the flexible svc case.

And fix the gld_fb_idx for (SL0, TL1) in bypass/flexible
mode pattern in the sample encoder: force it to be 0
(same as lst_fb_idx), since the slot is unused on SL0.

Change-Id: Iada9d1b052e470a0d5d25220809ad0c87cd46268
This commit is contained in:
Marco Paniconi
2022-02-08 12:36:39 -08:00
parent 41f444bee8
commit 232ad814de
4 changed files with 163 additions and 10 deletions
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3
examples/vp9_spatial_svc_encoder.c
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@@ -579,7 +579,8 @@ static void set_frame_flags_bypass_mode_ex0(
ref_frame_config->alt_fb_idx[sl] = 0;
} else if (tl == 1) {
ref_frame_config->lst_fb_idx[sl] = sl;
ref_frame_config->gld_fb_idx[sl] = num_spatial_layers + sl - 1;
ref_frame_config->gld_fb_idx[sl] =
(sl == 0) ? 0 : num_spatial_layers + sl - 1;
ref_frame_config->alt_fb_idx[sl] = num_spatial_layers + sl;
}
// Set the reference and update flags.