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v4l2test: Solve blurred screen problem in 45 or 60 fps.

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1. Fix the error buffer count for v4l2 when using pingpong buffer.
2. Add readable flag for pingpong buffers exchange to avoid overproduction.

Signed-off-by: Kevin.xie <kevin.xie@starfivetech.com>
This commit is contained in:
Kevin.xie
2022-08-09 20:40:29 +08:00
parent 6b8cb8042a
commit a2d183cea1
4 changed files with 44 additions and 16 deletions
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package/starfive/v4l2_test/stf_v4l2.h
+2 -1
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@@ -41,7 +41,8 @@ extern void stf_v4l2_open(V4l2Param_t *param, char *device_name);
extern void stf_v4l2_close(V4l2Param_t *param);
extern void stf_v4l2_init(V4l2Param_t *param);
extern void stf_v4l2_uninit(V4l2Param_t *param);
extern void sft_v4l2_prepare_capturing(V4l2Param_t *param, int *dmabufs, int count);
extern void sft_v4l2_prepare_capturing(V4l2Param_t *param,
int *dmabufs, STF_DISP_TYPE disp_type);
extern void sft_v4l2_start_capturing(V4l2Param_t *param);
extern void stf_v4l2_stop_capturing(V4l2Param_t *param);