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Commit 00d44b5b authored by Deva Ramasubramanian's avatar Deva Ramasubramanian
Browse files

msm: vidc: Expose extradata size to userspace 



Previously, the extradata size was included within VENUS_BUFFER_SIZE
and callers (primarily in userspace) wouldn't know how much extra
padding was added to the buffer size. Exposing it allows userspace to
query directly instead of doing guesswork.

Change-Id: I7f9701a4adfe364d757028514bdd4fa84402a995
Signed-off-by: default avatarDeva Ramasubramanian <dramasub@codeaurora.org>
parent 63704274

include/media/msm_media_info.h

+13 −1
Original line number Diff line number Diff line
@@ -137,6 +137,18 @@ enum color_fmts { 
	COLOR_FMT_NV12_MVTB,

};



static inline unsigned int VENUS_EXTRADATA_SIZE(int width, int height)

{

	(void)height;

	(void)width;



	/*

	 * In the future, calculate the size based on the w/h but just

	 * hardcode it for now since 8K satisfies all current usecases.

	 */

	return 8 * 1024;

}



static inline unsigned int VENUS_Y_STRIDE(int color_fmt, int width)

{

	unsigned int alignment, stride = 0;
@@ -220,7 +232,7 @@ invalid_input: 
static inline unsigned int VENUS_BUFFER_SIZE(

	int color_fmt, int width, int height)

{

	const unsigned int extra_size = 8*1024;

	const unsigned int extra_size = VENUS_EXTRADATA_SIZE(width, height);

	unsigned int uv_alignment = 0, size = 0;

	unsigned int y_plane, uv_plane, y_stride,

		uv_stride, y_sclines, uv_sclines;