blob: ae57fdb2f36067f111eb1d329ddf5037a8c22320
| 1 | /* |
| 2 | * AMLOGIC IOCTL WRAPPER |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the BSD Licence, GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 of the |
| 7 | * License, or (at your option) any later version |
| 8 | */ |
| 9 | |
| 10 | #define LOG_NDEBUG 0 |
| 11 | #define LOG_TAG "omxutil" |
| 12 | |
| 13 | #include <fcntl.h> |
| 14 | #include <sys/ioctl.h> |
| 15 | #include <media/stagefright/foundation/ADebug.h> |
| 16 | |
| 17 | #define AMSTREAM_IOC_MAGIC 'S' |
| 18 | |
| 19 | #define AMSTREAM_IOC_SET_OMX_VPTS _IOW(AMSTREAM_IOC_MAGIC, 0xaf, int) |
| 20 | #define AMSTREAM_IOC_SET_VIDEO_DISABLE _IOW(AMSTREAM_IOC_MAGIC, 0x49, int) |
| 21 | |
| 22 | static int amvideo_handle = 0; |
| 23 | |
| 24 | #define TVP_SECRET "amlogic_omx_decoder,pts=" |
| 25 | #define TVP_SECRET_RENDER "is rendered = true" |
| 26 | |
| 27 | int openamvideo() { |
| 28 | amvideo_handle = open("/dev/amvideo",O_RDWR | O_NONBLOCK); |
| 29 | return amvideo_handle; |
| 30 | } |
| 31 | |
| 32 | void closeamvideo() { |
| 33 | if (amvideo_handle != 0) { |
| 34 | int ret = close(amvideo_handle); |
| 35 | amvideo_handle = 0; |
| 36 | if (ret < 0) |
| 37 | ALOGE("close Amvideo error"); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | int setomxdisplaymode() { |
| 42 | return ioctl(amvideo_handle, AMSTREAM_IOC_SET_VIDEO_DISABLE, 2); |
| 43 | |
| 44 | } |
| 45 | int setomxpts(int time_video) { |
| 46 | return ioctl(amvideo_handle, AMSTREAM_IOC_SET_OMX_VPTS, (unsigned long)&time_video); |
| 47 | } |
| 48 | |
| 49 | void set_omx_pts(char* data, int* handle) { |
| 50 | if (strncmp(data, TVP_SECRET, strlen(TVP_SECRET)) == 0) { |
| 51 | if (*handle == 0 || amvideo_handle == 0) { |
| 52 | *handle = openamvideo(); |
| 53 | if (*handle == 0) |
| 54 | ALOGW("can not open amvideo"); |
| 55 | } |
| 56 | if (strncmp(data+sizeof(TVP_SECRET)+sizeof(signed long long), TVP_SECRET_RENDER, strlen(TVP_SECRET_RENDER)) != 0) { |
| 57 | signed long long time; |
| 58 | memcpy(&time, (char*)data+sizeof(TVP_SECRET), sizeof(signed long long)); |
| 59 | int time_video = time * 9 / 100 + 1; |
| 60 | //ALOGW("render____time=%lld,time_video=%d",time,time_video); |
| 61 | int ret = setomxpts(time_video); |
| 62 | if (ret < 0) { |
| 63 | ALOGW("setomxpts error, ret =%d",ret); |
| 64 | } |
| 65 | } |
| 66 | memcpy((char*)data + sizeof(TVP_SECRET) + sizeof(signed long long), TVP_SECRET_RENDER, sizeof(TVP_SECRET_RENDER)); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 |