github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 02:53:36 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

media: venus: vdec: queue dpb buffers to firmware for video seek

Browse Source 
For the seek case, the input port will be called stream_off and then
stream_on in the driver. Firmware will flush all buffers during stream_off
input port. Therefore, driver needs to queue DPB buffers to firmware
during stream_on input port to ensure that decoder can decode normally
when it receives enough input and output buffers. Otherwise, decoder
will not be able to decode due to lack of DPB buffer even if there are
enough input and output buffers.

Signed-off-by: Renjiang Han <quic_renjiang@quicinc.com>
Reviewed-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
[bod: added media prefix]
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Renjiang Han 2025-02-27 08:13:54 +05:30 committed by Hans Verkuil
parent 523cea3a19
commit b588898880
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/media/platform/qcom/venus/vdec.c
View File

@ -1110,10 +1110,20 @@ static int vdec_start_output(struct venus_inst *inst)
if (inst->codec_state == VENUS_DEC_STATE_SEEK) {
ret = venus_helper_process_initial_out_bufs(inst);
if (inst->next_buf_last)
if (ret)
return ret;
if (inst->next_buf_last) {
inst->codec_state = VENUS_DEC_STATE_DRC;
else
} else {
inst->codec_state = VENUS_DEC_STATE_DECODING;
if (inst->streamon_cap) {
ret = venus_helper_queue_dpb_bufs(inst);
if (ret)
return ret;
}
}
goto done;
}