linux-kernel - [PATCH] venus: venc: set IDR period to FW only for H264 & HEVC

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Message-Id: <1608102410-23390-1-git-send-email-dikshita@codeaurora.org>
Date:   Wed, 16 Dec 2020 12:36:50 +0530
From:   Dikshita Agarwal <dikshita@...eaurora.org>
To:     linux-media@...r.kernel.org, stanimir.varbanov@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        vgarodia@...eaurora.org, Dikshita Agarwal <dikshita@...eaurora.org>
Subject: [PATCH] venus: venc: set IDR period to FW only for H264 & HEVC

HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD is supported for only
H264 & HEVC codec. There is no need to set it for VP8 since
all key frames are treated as IDR frames for VP8.

Signed-off-by: Dikshita Agarwal <dikshita@...eaurora.org>
---
 drivers/media/platform/qcom/venus/venc.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 3a2e449..618cf92 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -588,16 +588,19 @@ static int venc_set_properties(struct venus_inst *inst)
 			return ret;
 	}
 
-	/* IDR periodicity, n:
-	 * n = 0 - only the first I-frame is IDR frame
-	 * n = 1 - all I-frames will be IDR frames
-	 * n > 1 - every n-th I-frame will be IDR frame
-	 */
-	ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
-	idrp.idr_period = 0;
-	ret = hfi_session_set_property(inst, ptype, &idrp);
-	if (ret)
-		return ret;
+	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264 ||
+	    inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
+		/* IDR periodicity, n:
+		 * n = 0 - only the first I-frame is IDR frame
+		 * n = 1 - all I-frames will be IDR frames
+		 * n > 1 - every n-th I-frame will be IDR frame
+		 */
+		ptype = HFI_PROPERTY_CONFIG_VENC_IDR_PERIOD;
+		idrp.idr_period = 0;
+		ret = hfi_session_set_property(inst, ptype, &idrp);
+		if (ret)
+			return ret;
+	}
 
 	if (ctr->num_b_frames) {
 		u32 max_num_b_frames = NUM_B_FRAMES_MAX;
-- 
2.7.4