From: Ming Qian ming.qian@nxp.com
[ Upstream commit e1d2ccc2cdd6333584aa3d5386dc667d0837c48f ]
For format V4L2_PIX_FMT_VC1_ANNEX_G, the separate codec data is required only once. The repeated codec data may introduce some decoding error. so drop the repeated codec data.
It's amphion vpu's limitation
Fixes: e670f5d672ef ("media: amphion: only insert the first sequence startcode for vc1l format") Signed-off-by: Ming Qian ming.qian@nxp.com Tested-by: xiahong.bao xiahong.bao@nxp.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/platform/amphion/vpu_malone.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/media/platform/amphion/vpu_malone.c b/drivers/media/platform/amphion/vpu_malone.c index e96994437429f..c1d6606ad7e57 100644 --- a/drivers/media/platform/amphion/vpu_malone.c +++ b/drivers/media/platform/amphion/vpu_malone.c @@ -1313,6 +1313,15 @@ static int vpu_malone_insert_scode_pic(struct malone_scode_t *scode, u32 codec_i return sizeof(hdr); }
+static int vpu_malone_insert_scode_vc1_g_seq(struct malone_scode_t *scode) +{ + if (!scode->inst->total_input_count) + return 0; + if (vpu_vb_is_codecconfig(to_vb2_v4l2_buffer(scode->vb))) + scode->need_data = 0; + return 0; +} + static int vpu_malone_insert_scode_vc1_g_pic(struct malone_scode_t *scode) { struct vb2_v4l2_buffer *vbuf; @@ -1460,6 +1469,7 @@ static const struct malone_scode_handler scode_handlers[] = { }, { .pixelformat = V4L2_PIX_FMT_VC1_ANNEX_G, + .insert_scode_seq = vpu_malone_insert_scode_vc1_g_seq, .insert_scode_pic = vpu_malone_insert_scode_vc1_g_pic, }, {