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media: mtk-vcodec: fix vp9 decode error

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Fix The camera has a blurry screen phenomenon when
we video chat with apprtc using vp9 codec

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Reviewed-by: Wu-Cheng Li <wuchengli@chromium.org>
Tested-by: Wu-Cheng Li <wuchengli@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Tiffany Lin 2017-07-19 05:22:52 -04:00 committed by Mauro Carvalho Chehab
parent 1fc86ad052
commit e706b9ed69
1 changed files with 35 additions and 2 deletions
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37
drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
View File

@ -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");