Fix The camera has a blurry screen phenomenon when we video chat with apprtc using vp9 codec
Signed-off-by: Tiffany Lin <tiffany....@mediatek.com> --- .../media/platform/mtk-vcodec/vdec/vdec_vp9_if.c | 37 ++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c index 1daee12..bc8349b 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c @@ -31,6 +31,7 @@ #define MAX_NUM_REF_FRAMES 8 #define VP9_MAX_FRM_BUF_NUM 9 #define VP9_MAX_FRM_BUF_NODE_NUM (VP9_MAX_FRM_BUF_NUM * 2) +#define VP9_SEG_ID_SZ 0x12000 /** * struct vp9_dram_buf - contains buffer info for vpu @@ -132,6 +133,7 @@ struct vp9_sf_ref_fb { * @frm_num : decoded frame number, include sub-frame count (AP-R, VPU-W) * @mv_buf : motion vector working buffer (AP-W, VPU-R) * @frm_refs : maintain three reference buffer info (AP-R/W, VPU-R/W) + * @seg_id_buf : segmentation map working buffer (AP-W, VPU-R) */ struct vdec_vp9_vsi { unsigned char sf_bs_buf[VP9_SUPER_FRAME_BS_SZ]; @@ -167,11 +169,14 @@ struct vdec_vp9_vsi { struct vp9_dram_buf mv_buf; struct vp9_ref_buf frm_refs[REFS_PER_FRAME]; + struct vp9_dram_buf seg_id_buf; + }; /* * struct vdec_vp9_inst - vp9 decode instance * @mv_buf : working buffer for mv + * @seg_id_buf : working buffer for segmentation map * @dec_fb : vdec_fb node to link fb to different fb_xxx_list * @available_fb_node_list : current available vdec_fb node * @fb_use_list : current used or referenced vdec_fb @@ -187,6 +192,7 @@ struct vdec_vp9_vsi { */ struct vdec_vp9_inst { struct mtk_vcodec_mem mv_buf; + struct mtk_vcodec_mem seg_id_buf; struct vdec_fb_node dec_fb[VP9_MAX_FRM_BUF_NODE_NUM]; struct list_head available_fb_node_list; @@ -388,13 +394,11 @@ static bool vp9_alloc_work_buf(struct vdec_vp9_inst *inst) vsi->buf_h); mem = &inst->mv_buf; - if (mem->va) mtk_vcodec_mem_free(inst->ctx, mem); mem->size = ((vsi->buf_w / 64) * (vsi->buf_h / 64) + 2) * 36 * 16; - result = mtk_vcodec_mem_alloc(inst->ctx, mem); if (result) { mem->size = 0; @@ -406,6 +410,24 @@ static bool vp9_alloc_work_buf(struct vdec_vp9_inst *inst) vsi->mv_buf.pa = (unsigned long)mem->dma_addr; vsi->mv_buf.sz = (unsigned int)mem->size; + + mem = &inst->seg_id_buf; + if (mem->va) + mtk_vcodec_mem_free(inst->ctx, mem); + + mem->size = VP9_SEG_ID_SZ; + result = mtk_vcodec_mem_alloc(inst->ctx, mem); + if (result) { + mem->size = 0; + mtk_vcodec_err(inst, "Cannot allocate seg_id_buf"); + return false; + } + /* Set the va again */ + vsi->seg_id_buf.va = (unsigned long)mem->va; + vsi->seg_id_buf.pa = (unsigned long)mem->dma_addr; + vsi->seg_id_buf.sz = (unsigned int)mem->size; + + vp9_free_all_sf_ref_fb(inst); vsi->sf_next_ref_fb_idx = vp9_get_sf_ref_fb(inst); @@ -653,6 +675,12 @@ static void vp9_reset(struct vdec_vp9_inst *inst) inst->vsi->mv_buf.va = (unsigned long)inst->mv_buf.va; inst->vsi->mv_buf.pa = (unsigned long)inst->mv_buf.dma_addr; inst->vsi->mv_buf.sz = (unsigned long)inst->mv_buf.size; + + /* Set the va again, since vpu_dec_reset will clear seg_id_buf in vpu */ + inst->vsi->seg_id_buf.va = (unsigned long)inst->seg_id_buf.va; + inst->vsi->seg_id_buf.pa = (unsigned long)inst->seg_id_buf.dma_addr; + inst->vsi->seg_id_buf.sz = (unsigned long)inst->seg_id_buf.size; + } static void init_all_fb_lists(struct vdec_vp9_inst *inst) @@ -752,6 +780,10 @@ static void vdec_vp9_deinit(unsigned long h_vdec) if (mem->va) mtk_vcodec_mem_free(inst->ctx, mem); + mem = &inst->seg_id_buf; + if (mem->va) + mtk_vcodec_mem_free(inst->ctx, mem); + vp9_free_all_sf_ref_fb(inst); vp9_free_inst(inst); } @@ -848,6 +880,7 @@ static int vdec_vp9_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs, vsi->sf_frm_sz[idx]); } } + memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size); ret = vpu_dec_start(&inst->vpu, data, 3); if (ret) { mtk_vcodec_err(inst, "vpu_dec_start failed"); -- 1.9.1