video: driver: Add support to enc start/stop streaming

Add support to encoder start and stop streaming sequence.

Change-Id: Ie4f124af212ed030178d0e2fe5af3d6f9f639aa0
Signed-off-by: Akshata Sahukar <asahukar@codeaurora.org>

driver/vidc/inc/msm_venc.h

@@ -9,6 +9,10 @@
 #include "msm_vidc_core.h"
 #include "msm_vidc_inst.h"
 
+int msm_venc_stop_input(struct msm_vidc_inst *inst);
+int msm_venc_start_input(struct msm_vidc_inst *inst);
+int msm_venc_stop_output(struct msm_vidc_inst *inst);
+int msm_venc_start_output(struct msm_vidc_inst *inst);
 int msm_venc_s_fmt(struct msm_vidc_inst *inst, struct v4l2_format *f);
 int msm_venc_g_fmt(struct msm_vidc_inst *inst, struct v4l2_format *f);
 int msm_venc_enum_fmt(struct msm_vidc_inst *inst, struct v4l2_fmtdesc *f);