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media: amphion: decoder support display delay for all formats

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the firmware only support low latency mode for h264,
but firmware will notify an event to driver
when one frame is decoded,
if V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE is enabled,
and V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY is set to 0,
driver can display the decoded frame immediately.

Fixes: ffa331d9bf ("media: amphion: decoder implement display delay enable")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Ming Qian 2023-07-10 15:44:11 +08:00 committed by Hans Verkuil
parent c677d7ae83
commit b69713f502
1 changed files with 22 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/media/platform/amphion/vdec.c
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@ -742,6 +742,21 @@ static int vdec_frame_decoded(struct vpu_inst *inst, void *arg)
dev_info(inst->dev, "[%d] buf[%d] has been decoded\n", inst->id, info->id);
vpu_set_buffer_state(vbuf, VPU_BUF_STATE_DECODED);
vdec->decoded_frame_count++;
if (vdec->params.display_delay_enable) {
struct vpu_format *cur_fmt;
cur_fmt = vpu_get_format(inst, inst->cap_format.type);
vpu_set_buffer_state(vbuf, VPU_BUF_STATE_READY);
for (int i = 0; i < vbuf->vb2_buf.num_planes; i++)
vb2_set_plane_payload(&vbuf->vb2_buf,
i, vpu_get_fmt_plane_size(cur_fmt, i));
vbuf->field = cur_fmt->field;
vbuf->sequence = vdec->sequence++;
dev_dbg(inst->dev, "[%d][OUTPUT TS]%32lld\n", inst->id, vbuf->vb2_buf.timestamp);
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);
vdec->display_frame_count++;
}
exit:
vpu_inst_unlock(inst);
@ -769,14 +784,14 @@ static void vdec_buf_done(struct vpu_inst *inst, struct vpu_frame_info *frame)
struct vpu_format *cur_fmt;
struct vpu_vb2_buffer *vpu_buf;
struct vb2_v4l2_buffer *vbuf;
u32 sequence;
int i;
if (!frame)
return;
vpu_inst_lock(inst);
sequence = vdec->sequence++;
if (!vdec->params.display_delay_enable)
vdec->sequence++;
vpu_buf = vdec_find_buffer(inst, frame->luma);
vpu_inst_unlock(inst);
if (!vpu_buf) {
@ -795,13 +810,17 @@ static void vdec_buf_done(struct vpu_inst *inst, struct vpu_frame_info *frame)
dev_err(inst->dev, "[%d] buffer id(%d, %d) dismatch\n",
inst->id, vbuf->vb2_buf.index, frame->id);
if (vpu_get_buffer_state(vbuf) == VPU_BUF_STATE_READY && vdec->params.display_delay_enable)
return;
if (vpu_get_buffer_state(vbuf) != VPU_BUF_STATE_DECODED)
dev_err(inst->dev, "[%d] buffer(%d) ready without decoded\n", inst->id, frame->id);
vpu_set_buffer_state(vbuf, VPU_BUF_STATE_READY);
for (i = 0; i < vbuf->vb2_buf.num_planes; i++)
vb2_set_plane_payload(&vbuf->vb2_buf, i, vpu_get_fmt_plane_size(cur_fmt, i));
vbuf->field = cur_fmt->field;
vbuf->sequence = sequence;
vbuf->sequence = vdec->sequence;
dev_dbg(inst->dev, "[%d][OUTPUT TS]%32lld\n", inst->id, vbuf->vb2_buf.timestamp);
v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_DONE);