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Commit 4f22c849 authored by Vaibhav Deshu Venkatesh's avatar Vaibhav Deshu Venkatesh
Browse files

msm: vidc: Fix decoder input buffer size calculation 



Decoder input buffer size is currently calculated in MBs
instead of actual size. Multiply MB size with num pixels in
MB.

CRs-Fixed: 2368458
Change-Id: Ia0a2add18780d026d3372526e19575c89c5169e1
Signed-off-by: default avatarVaibhav Deshu Venkatesh <vdeshuve@codeaurora.org>
parent f5f31790

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

+2 −1
Original line number Diff line number Diff line
@@ -252,6 +252,7 @@ 
#define SYSTEM_LAL_TILE10 192

#define NUM_MBS_720P (((1280 + 15) >> 4) * ((720 + 15) >> 4))

#define NUM_MBS_4k (((4096 + 15) >> 4) * ((2304 + 15) >> 4))

#define MB_SIZE_IN_PIXEL (16 * 16)



static inline u32 calculate_h264d_scratch_size(struct msm_vidc_inst *inst,

	u32 width, u32 height, bool is_interlaced);
@@ -765,7 +766,7 @@ u32 msm_vidc_calculate_dec_input_frame_size(struct msm_vidc_inst *inst) 
			div_factor = 2;

	}



	frame_size = base_res_mbs * 3 / 2 / div_factor;

	frame_size = base_res_mbs * MB_SIZE_IN_PIXEL * 3 / 2 / div_factor;

	 /* multiply by 10/8 (1.25) to get size for 10 bit case */

	if ((inst->fmts[OUTPUT_PORT].fourcc == V4L2_PIX_FMT_VP9) ||

		(inst->fmts[OUTPUT_PORT].fourcc == V4L2_PIX_FMT_HEVC))