path: root/tvp/OmxUtil.cpp (plain)
blob: 06233ea440721123fa5478bb29ed6c889d2ba0ea

1	/*
2	* Copyright (c) 2014 Amlogic, Inc. All rights reserved.
3	*
4	* This source code is subject to the terms and conditions defined in the
5	* file 'LICENSE' which is part of this source code package.
6	*
7	* Description:
8	* AMLOGIC OMX IOCTL WRAPPER
9	*/
10
11
12	#define LOG_NDEBUG 0
13	#define LOG_TAG "omxutil"
14
15	#include <fcntl.h>
16	#include <sys/ioctl.h>
17	#include <media/stagefright/foundation/ADebug.h>
18
19	#define AMSTREAM_IOC_MAGIC 'S'
20
21	#define AMSTREAM_IOC_SET_OMX_VPTS _IOW(AMSTREAM_IOC_MAGIC, 0xaf, int)
22	#define AMSTREAM_IOC_SET_VIDEO_DISABLE _IOW(AMSTREAM_IOC_MAGIC, 0x49, int)
23
24	static int amvideo_handle = 0;
25
26	#define TVP_SECRET "amlogic_omx_decoder,pts="
27	#define TVP_SECRET_RENDER "is rendered = true"
28	#define TVP_SECRET_VERSION "version="
29	#define TVP_SECRET_FRAME_NUM "frame_num="
30
31	int openamvideo() {
32	amvideo_handle = open("/dev/amvideo",O_RDWR | O_NONBLOCK);
33	return amvideo_handle;
34	}
35
36	void closeamvideo() {
37	if (amvideo_handle != 0) {
38	int ret = close(amvideo_handle);
39	amvideo_handle = 0;
40	if (ret < 0)
41	ALOGE("close Amvideo error");
42	}
43	}
44
45	int setomxdisplaymode() {
46	return ioctl(amvideo_handle, AMSTREAM_IOC_SET_VIDEO_DISABLE, 2);
47
48	}
49	int setomxpts(int time_video) {
50	return ioctl(amvideo_handle, AMSTREAM_IOC_SET_OMX_VPTS, (unsigned long)&time_video);
51	}
52
53	int setomxpts(uint32_t* omx_info) {
54	return ioctl(amvideo_handle, AMSTREAM_IOC_SET_OMX_VPTS, (unsigned long)omx_info);
55	}
56
57	void set_omx_pts(char* data, int* handle) {
58	if (data == NULL) {
59	ALOGE("hnd->base is NULL!!!!");
60	return;
61	}
62	if (strncmp(data, TVP_SECRET, strlen(TVP_SECRET)) == 0) {
63	if (*handle == 0 || amvideo_handle == 0) {
64	*handle = openamvideo();
65	if (*handle == 0)
66	ALOGW("can not open amvideo");
67	}
68	uint32_t omx_version = 0;
69	if (strncmp(data+sizeof(TVP_SECRET)+sizeof(signed long long), TVP_SECRET_RENDER, strlen(TVP_SECRET_RENDER)) != 0) {
70	signed long long time;
71	int offset = 0;
72	offset += sizeof(TVP_SECRET);
73	memcpy(&time, (char*)data+offset, sizeof(signed long long));
74	offset += sizeof(signed long long);
75	int time_video = time * 9 / 100 + 1;
76	//ALOGW("render____time=%lld,time_video=%d",time,time_video);
77	uint32_t frame_num = 0;
78	if (strncmp(data+offset, TVP_SECRET_VERSION, strlen(TVP_SECRET_VERSION)) == 0) {
79	offset += sizeof(TVP_SECRET_VERSION);
80	memcpy(&omx_version, (char*)data+offset, sizeof(uint32_t));
81	offset += sizeof(uint32_t);
82	}
83	int ret = 0;
84	if (omx_version >= 2) {
85	if (strncmp(data+offset, TVP_SECRET_FRAME_NUM, strlen(TVP_SECRET_FRAME_NUM)) == 0) {
86	offset += sizeof(TVP_SECRET_FRAME_NUM);
87	memcpy(&frame_num, (char*)data+offset, sizeof(uint32_t));
88	offset += sizeof(uint32_t);
89	}
90	uint32_t omx_info[6];
91	omx_info[0] = time_video;
92	omx_info[1] = omx_version;
93	omx_info[2] = 1; // set by hw
94	omx_info[3] = frame_num;
95	omx_info[4] = 0; // 0:need reset omx_pts;1:do not need reset omx_pts
96	omx_info[5] = 0; // Reserved
97	ret = setomxpts(omx_info);
98	} else
99	ret = setomxpts(time_video);
100	if (ret < 0) {
101	ALOGW("setomxpts error, ret =%d",ret);
102	}
103	}
104	memcpy((char*)data + sizeof(TVP_SECRET) + sizeof(signed long long), TVP_SECRET_RENDER, sizeof(TVP_SECRET_RENDER));
105	}
106	}
107
108