Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 71c06cf6 authored by Vaibhav Deshu Venkatesh's avatar Vaibhav Deshu Venkatesh
Browse files

msm: vidc: Update encoder output size calculation 



Based on discussion with firmware team change the bitstream
buffer size calculation for encoder. This logic is based on
experience from previous chipsets.

CRs-Fixed: 2368458
Change-Id: I5c351f6bfb53a4da492472993e5a9b6b8d5ad96e
Signed-off-by: default avatarVaibhav Deshu Venkatesh <vdeshuve@codeaurora.org>
parent 568e87ad

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

+12 −8
Original line number Diff line number Diff line
@@ -818,21 +818,25 @@ u32 msm_vidc_calculate_enc_output_frame_size(struct msm_vidc_inst *inst) 
	u32 width, height;



	/*

	 * Encoder output size calculation:

	 * Encoder output size calculation: 32 Align width/height

	 * For resolution < 720p : YUVsize * 4

	 * For resolution > 720p & <= 4K : YUVsize / 2

	 * For resolution > 4k : YUVsize / 4

	 * Initially frame_size = YUVsize * 2;

	 */

	width = inst->prop.width[CAPTURE_PORT];

	height = inst->prop.height[CAPTURE_PORT];

	mbs_per_frame = ((width + 15) >> 4) * ((height + 15) >> 4);

	frame_size = (width * height * 3) >> 1;

	width = ALIGN(inst->prop.width[CAPTURE_PORT],

		BUFFER_ALIGNMENT_SIZE(32));

	height = ALIGN(inst->prop.height[CAPTURE_PORT],

		BUFFER_ALIGNMENT_SIZE(32));

	mbs_per_frame = NUM_MBS_PER_FRAME(width, height);

	frame_size = (width * height * 3);



	if (mbs_per_frame < NUM_MBS_720P)

		frame_size = frame_size << 2;

		frame_size = frame_size << 1;

	else if (mbs_per_frame <= NUM_MBS_4k)

		frame_size = frame_size >> 1;

	else

		frame_size = frame_size >> 2;

	else

		frame_size = frame_size >> 3;



	if ((inst->rc_type == RATE_CONTROL_OFF) ||

		(inst->rc_type == V4L2_MPEG_VIDEO_BITRATE_MODE_CQ))