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Subject[PATCH,v1] media: mtk-vcodec: fix vp9 content playback error with show exist frame
Date
From: Maoguang Meng <maoguang.meng@mediatek.com>

Update referenced frame buffer's reference count when playing vp9
content which has show_existing_frame flag, and copy enough buffer
data to current shown frame.

Signed-off-by: Maoguang Meng <maoguang.meng@mediatek.com>
---
.../media/platform/mtk-vcodec/vdec/vdec_vp9_if.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 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 bc8349b..d950837 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
@@ -481,15 +481,15 @@ static void vp9_swap_frm_bufs(struct vdec_vp9_inst *inst)
*/
if ((frm_to_show->fb != NULL) &&
(inst->cur_fb->base_y.size >=
- frm_to_show->fb->base_y.size)) {
+ frm_to_show->fb->base_y.size) &&
+ (inst->cur_fb->base_c.size >=
+ frm_to_show->fb->base_c.size)) {
memcpy((void *)inst->cur_fb->base_y.va,
(void *)frm_to_show->fb->base_y.va,
- vsi->buf_w *
- vsi->buf_h);
+ frm_to_show->fb->base_y.size);
memcpy((void *)inst->cur_fb->base_c.va,
(void *)frm_to_show->fb->base_c.va,
- vsi->buf_w *
- vsi->buf_h / 2);
+ frm_to_show->fb->base_c.size);
} else {
/* After resolution change case, current CAPTURE buffer
* may have less buffer size than frm_to_show buffer
@@ -895,7 +895,7 @@ static int vdec_vp9_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,

if (vsi->resolution_changed) {
if (!vp9_alloc_work_buf(inst)) {
- ret = -EINVAL;
+ ret = -EIO;
goto DECODE_ERROR;
}
}
@@ -924,14 +924,12 @@ static int vdec_vp9_decode(unsigned long h_vdec, struct mtk_vcodec_mem *bs,

if (vsi->show_existing_frame && (vsi->frm_to_show_idx <
VP9_MAX_FRM_BUF_NUM)) {
- mtk_vcodec_err(inst,
+ mtk_vcodec_debug(inst,
"Skip Decode drv->new_fb_idx=%d, drv->frm_to_show_idx=%d",
vsi->new_fb_idx, vsi->frm_to_show_idx);

vp9_ref_cnt_fb(inst, &vsi->new_fb_idx,
vsi->frm_to_show_idx);
- ret = -EINVAL;
- goto DECODE_ERROR;
}

/* VPU assign the buffer pointer in its address space,
--
1.7.9.5
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