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path: root/vp9/decoder/vp9_decodframe.c
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Diffstat (limited to 'vp9/decoder/vp9_decodframe.c')
-rw-r--r--vp9/decoder/vp9_decodframe.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/vp9/decoder/vp9_decodframe.c b/vp9/decoder/vp9_decodframe.c
index 2e233c3b7..b200e6ccc 100644
--- a/vp9/decoder/vp9_decodframe.c
+++ b/vp9/decoder/vp9_decodframe.c
@@ -989,7 +989,14 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
pc->clamp_type = (CLAMP_TYPE)vp9_read_bit(&header_bc);
pc->error_resilient_mode = vp9_read_bit(&header_bc);
- xd->lossless = vp9_read_bit(&header_bc);
+ setup_loopfilter(pc, xd, &header_bc);
+
+ setup_quantization(pbi, &header_bc);
+
+ xd->lossless = pc->base_qindex == 0 &&
+ pc->y_dc_delta_q == 0 &&
+ pc->uv_dc_delta_q == 0 &&
+ pc->uv_ac_delta_q == 0;
if (xd->lossless) {
xd->inv_txm4x4_1 = vp9_short_iwalsh4x4_1;
xd->inv_txm4x4 = vp9_short_iwalsh4x4;
@@ -1004,10 +1011,6 @@ int vp9_decode_frame(VP9D_COMP *pbi, const uint8_t **p_data_end) {
xd->itxm_add_uv_block = vp9_idct_add_uv_block;
}
- setup_loopfilter(pc, xd, &header_bc);
-
- setup_quantization(pbi, &header_bc);
-
// Determine if the golden frame or ARF buffer should be updated and how.
// For all non key frames the GF and ARF refresh flags and sign bias
// flags must be set explicitly.