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Commit 4d7dc175 authored by Deepak Kushwah's avatar Deepak Kushwah Committed by Gerrit - the friendly Code Review server
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msm: vidc: Increase minimum input buffer count for VP9 decode 



Increase minimum input buffer count for VP9 decode to 6,as for
some vp9 clips which have superframes with more than 4 subframes
require more than 4 reference buffers to decode.

Change-Id: I561f4c3ad4c4a94c36293c26aab3a9c9423e9268
Signed-off-by: default avatarDeepak Kushwah <dkushwah@codeaurora.org>
Signed-off-by: default avatarVasantha Balla <vballa@codeaurora.org>
parent 047ccea1

drivers/media/platform/msm/vidc/msm_vdec.c

+13 −1
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -21,6 +21,7 @@ 


#define MSM_VDEC_DVC_NAME "msm_vdec_8974"

#define MIN_NUM_OUTPUT_BUFFERS 4

#define MIN_NUM_OUTPUT_BUFFERS_VP9 6

#define MIN_NUM_CAPTURE_BUFFERS 6

#define MIN_NUM_THUMBNAIL_MODE_CAPTURE_BUFFERS 1

#define MAX_NUM_OUTPUT_BUFFERS VB2_MAX_FRAME
@@ -1483,6 +1484,17 @@ static int msm_vdec_queue_setup(struct vb2_queue *q, 
		if (*num_buffers < MIN_NUM_OUTPUT_BUFFERS ||

				*num_buffers > MAX_NUM_OUTPUT_BUFFERS)

			*num_buffers = MIN_NUM_OUTPUT_BUFFERS;

		/*

		 * Increase input buffer count to 6 as for some

		 * vp9 clips which have superframes with more

		 * than 4 subframes requires more than 4

		 * reference frames to decode.

		 */

		if (inst->fmts[OUTPUT_PORT].fourcc ==

				V4L2_PIX_FMT_VP9 &&

				*num_buffers < MIN_NUM_OUTPUT_BUFFERS_VP9)

			*num_buffers = MIN_NUM_OUTPUT_BUFFERS_VP9;



		for (i = 0; i < *num_planes; i++) {

			sizes[i] = get_frame_size(inst,

					&inst->fmts[OUTPUT_PORT], q->type, i);