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armbox: start implementing cec support

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This commit is contained in:
TangoCash
2017-10-17 18:00:36 +02:00
parent 6268ebdb1b
commit a3ecb31bc9
2 changed files with 216 additions and 3 deletions
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192
libarmbox/video.cpp
View File

@@ -36,6 +36,7 @@
#include <linux/fb.h>
#include "video_lib.h"
#include "lt_debug.h"
#include "linux-uapi-cec.h"
#include <proc_tools.h>
@@ -160,6 +161,7 @@ cVideo::cVideo(int, void *, void *, unsigned int unit)
} else
devnum = unit;
fd = -1;
standby_cec_activ = autoview_cec_activ = false;
openDevice();
}
@@ -519,6 +521,7 @@ void cVideo::Standby(unsigned int bOn)
openDevice();
}
video_standby = bOn;
SetCECState(video_standby);
}
int cVideo::getBlank(void)
@@ -773,3 +776,192 @@ bool cVideo::GetScreenImage(unsigned char * &video, int &xres, int &yres, bool g
return true;
}
bool cVideo::SetCECMode(VIDEO_HDMI_CEC_MODE _deviceType)
{
physicalAddress[0] = 0x10;
physicalAddress[1] = 0x00;
logicalAddress = 1;
deviceType = 1; /* default: recorder */
hdmiFd = open("/dev/cec0", O_RDWR | O_CLOEXEC);
if (hdmiFd >= 0)
{
__u32 monitor = CEC_MODE_INITIATOR | CEC_MODE_FOLLOWER;
struct cec_caps caps = {};
if (ioctl(hdmiFd, CEC_ADAP_G_CAPS, &caps) < 0)
lt_info("%s: CEC get caps failed (%m)\n", __func__);
if (caps.capabilities & CEC_CAP_LOG_ADDRS)
{
struct cec_log_addrs laddrs = {};
if (ioctl(hdmiFd, CEC_ADAP_S_LOG_ADDRS, &laddrs) < 0)
lt_info("%s: CEC reset log addr failed (%m)\n", __func__);
memset(&laddrs, 0, sizeof(laddrs));
/*
* NOTE: cec_version, osd_name and deviceType should be made configurable,
* CEC_ADAP_S_LOG_ADDRS delayed till the desired values are available
* (saves us some startup speed as well, polling for a free logical address
* takes some time)
*/
laddrs.cec_version = CEC_OP_CEC_VERSION_2_0;
strcpy(laddrs.osd_name, "neutrino");
laddrs.vendor_id = CEC_VENDOR_ID_NONE;
switch (deviceType)
{
case CEC_LOG_ADDR_TV:
laddrs.log_addr_type[laddrs.num_log_addrs] = CEC_LOG_ADDR_TYPE_TV;
laddrs.all_device_types[laddrs.num_log_addrs] = CEC_OP_ALL_DEVTYPE_TV;
laddrs.primary_device_type[laddrs.num_log_addrs] = CEC_OP_PRIM_DEVTYPE_TV;
break;
case CEC_LOG_ADDR_RECORD_1:
laddrs.log_addr_type[laddrs.num_log_addrs] = CEC_LOG_ADDR_TYPE_RECORD;
laddrs.all_device_types[laddrs.num_log_addrs] = CEC_OP_ALL_DEVTYPE_RECORD;
laddrs.primary_device_type[laddrs.num_log_addrs] = CEC_OP_PRIM_DEVTYPE_RECORD;
break;
case CEC_LOG_ADDR_TUNER_1:
laddrs.log_addr_type[laddrs.num_log_addrs] = CEC_LOG_ADDR_TYPE_TUNER;
laddrs.all_device_types[laddrs.num_log_addrs] = CEC_OP_ALL_DEVTYPE_TUNER;
laddrs.primary_device_type[laddrs.num_log_addrs] = CEC_OP_PRIM_DEVTYPE_TUNER;
break;
case CEC_LOG_ADDR_PLAYBACK_1:
laddrs.log_addr_type[laddrs.num_log_addrs] = CEC_LOG_ADDR_TYPE_PLAYBACK;
laddrs.all_device_types[laddrs.num_log_addrs] = CEC_OP_ALL_DEVTYPE_PLAYBACK;
laddrs.primary_device_type[laddrs.num_log_addrs] = CEC_OP_PRIM_DEVTYPE_PLAYBACK;
break;
case CEC_LOG_ADDR_AUDIOSYSTEM:
laddrs.log_addr_type[laddrs.num_log_addrs] = CEC_LOG_ADDR_TYPE_AUDIOSYSTEM;
laddrs.all_device_types[laddrs.num_log_addrs] = CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM;
laddrs.primary_device_type[laddrs.num_log_addrs] = CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM;
break;
default:
laddrs.log_addr_type[laddrs.num_log_addrs] = CEC_LOG_ADDR_TYPE_UNREGISTERED;
laddrs.all_device_types[laddrs.num_log_addrs] = CEC_OP_ALL_DEVTYPE_SWITCH;
laddrs.primary_device_type[laddrs.num_log_addrs] = CEC_OP_PRIM_DEVTYPE_SWITCH;
break;
}
laddrs.num_log_addrs++;
if (ioctl(hdmiFd, CEC_ADAP_S_LOG_ADDRS, &laddrs) < 0)
lt_info("%s: CEC set log addr failed (%m)\n", __func__);
}
if (ioctl(hdmiFd, CEC_S_MODE, &monitor) < 0)
lt_info("%s: CEC monitor failed (%m)\n", __func__);
}
getCECAddressInfo();
}
void cVideo::getCECAddressInfo()
{
if (hdmiFd >= 0)
{
bool hasdata = false;
struct addressinfo addressinfo;
__u16 phys_addr;
struct cec_log_addrs laddrs = {};
::ioctl(hdmiFd, CEC_ADAP_G_PHYS_ADDR, &phys_addr);
addressinfo.physical[0] = (phys_addr >> 8) & 0xff;
addressinfo.physical[1] = phys_addr & 0xff;
::ioctl(hdmiFd, CEC_ADAP_G_LOG_ADDRS, &laddrs);
addressinfo.logical = laddrs.log_addr[0];
switch (laddrs.log_addr_type[0])
{
case CEC_LOG_ADDR_TYPE_TV:
addressinfo.type = CEC_LOG_ADDR_TV;
break;
case CEC_LOG_ADDR_TYPE_RECORD:
addressinfo.type = CEC_LOG_ADDR_RECORD_1;
break;
case CEC_LOG_ADDR_TYPE_TUNER:
addressinfo.type = CEC_LOG_ADDR_TUNER_1;
break;
case CEC_LOG_ADDR_TYPE_PLAYBACK:
addressinfo.type = CEC_LOG_ADDR_PLAYBACK_1;
break;
case CEC_LOG_ADDR_TYPE_AUDIOSYSTEM:
addressinfo.type = CEC_LOG_ADDR_AUDIOSYSTEM;
break;
case CEC_LOG_ADDR_TYPE_UNREGISTERED:
default:
addressinfo.type = CEC_LOG_ADDR_UNREGISTERED;
break;
}
hasdata = true;
if (hasdata)
{
deviceType = addressinfo.type;
logicalAddress = addressinfo.logical;
if (!fixedAddress)
{
if (memcmp(physicalAddress, addressinfo.physical, sizeof(physicalAddress)))
{
lt_info("%s: detected physical address change: %02X%02X --> %02X%02X", __func__, physicalAddress[0], physicalAddress[1], addressinfo.physical[0], addressinfo.physical[1]);
memcpy(physicalAddress, addressinfo.physical, sizeof(physicalAddress));
//reportPhysicalAddress();
// addressChanged((physicalAddress[0] << 8) | physicalAddress[1]);
}
}
}
}
}
void cVideo::sendCECMessage(struct cec_message &message)
{
if (hdmiFd >= 0)
{
lt_info("[CEC] send message");
for (int i = 0; i < message.length; i++)
{
lt_info(" %02X", message.data[i]);
}
lt_info("\n");
struct cec_msg msg;
cec_msg_init(&msg, logicalAddress, message.address);
memcpy(&msg.msg[1], message.data, message.length);
msg.len = message.length + 1;
ioctl(hdmiFd, CEC_TRANSMIT, &msg);
}
}
void cVideo::SetCECAutoStandby(bool state)
{
standby_cec_activ = state;
}
void cVideo::SetCECAutoView(bool state)
{
autoview_cec_activ = state;
}
void cVideo::SetCECState(bool state)
{
struct cec_message message;
message.address = 0x0f;
message.length = 2;
if ((standby_cec_activ) && state){
message.data[0] = CEC_MSG_STANDBY;
message.data[1] = 1;
}
if ((autoview_cec_activ) && !state){
message.data[0] = CEC_MSG_IMAGE_VIEW_ON;
message.data[1] = 1;
}
sendCECMessage(message);
}

27
libarmbox/video_lib.h
View File

@@ -135,6 +135,19 @@ typedef enum
VIDEO_CONTROL_MAX = VIDEO_CONTROL_SHARPNESS
} VIDEO_CONTROL;
struct cec_message
{
unsigned char address;
unsigned char length;
unsigned char data[256];
}__attribute__((packed));
#define cec_rx_message cec_message
struct addressinfo
{
unsigned char logical;
unsigned char physical[2];
unsigned char type;
};
class cVideo
{
@@ -167,6 +180,11 @@ class cVideo
/* used internally by dmx */
int64_t GetPTS(void);
unsigned char physicalAddress[2];
bool fixedAddress,standby_cec_activ,autoview_cec_activ;
unsigned char deviceType, logicalAddress;
int hdmiFd;
public:
/* constructor & destructor */
cVideo(int mode, void *, void *, unsigned int unit = 0);
@@ -208,9 +226,12 @@ class cVideo
int SetVideoSystem(int video_system, bool remember = true);
int SetStreamType(VIDEO_FORMAT type);
void SetSyncMode(AVSYNC_TYPE mode);
bool SetCECMode(VIDEO_HDMI_CEC_MODE) { return true; };
void SetCECAutoView(bool) { return; };
void SetCECAutoStandby(bool) { return; };
bool SetCECMode(VIDEO_HDMI_CEC_MODE);
void SetCECAutoView(bool);
void SetCECAutoStandby(bool);
void getCECAddressInfo();
void sendCECMessage(struct cec_message &message);
void SetCECState(bool state);
void ShowPicture(const char * fname, const char *_destname = NULL);
void StopPicture();
void Standby(unsigned int bOn);