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media: mtk-vcodec: fix vp9 content playback error with show exist frame 

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>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Maoguang Meng 2019-04-01 04:18:38 -04:00 committed by Mauro Carvalho Chehab
parent d38b24aab4
commit 411a414b26
1 changed files with 7 additions and 9 deletions
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16
drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
View File

@ -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
@ -894,7 +894,7 @@ 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;
}
}
@ -923,14 +923,12 @@ 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,