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magewellpro2ts.cpp
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magewellpro2ts.cpp
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/*
* magewellpro2ts
* Copyright (c) 2022 John Patrick Poet
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*
* Based on AudioCapture.cpp,CaptureByInput.cpp and ReadWriteEDID.cpp
* by magewell:
*
* THE SOFTWARE PROVIDED BY MAGEWELL “AS IS” AND ANY EXPRESS, INCLUDING
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* MAGEWELL BE LIABLE
*
* FOR ANY CLAIM, DIRECT OR INDIRECT DAMAGES OR OTHER LIABILITY, WHETHER
* IN CONTRACT, TORT OR OTHERWISE, ARISING IN ANY WAY OF USING THE
* SOFTWARE.
*
* CONTACT INFORMATION:
* SDK@magewell.net
* http://www.magewell.com/
*/
#include <iostream>
#include <iomanip>
#include <cstring>
#include <sys/eventfd.h>
#include <sys/select.h>
#include <thread>
#include <charconv>
#include <string_view>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <cerrno>
#include <MWFOURCC.h>
#include <LibMWCapture/MWCapture.h>
#include <libavutil/rational.h>
#include <libavutil/pixfmt.h>
#include "OutputTS.h"
#include "version.h"
using namespace std;
bool g_running = true;
int get_id(char c)
{
if(c >= '0' && c <= '9')
return (int)(c - '0');
if(c >= 'a' && c <= 'f')
return (int)(c - 'a' + 10);
if(c >= 'A' && c <= 'F')
return (int)(c - 'F' + 10);
return 0;
}
HCHANNEL open_channel(int verbose, int devIndex, double boardId)
{
HCHANNEL hChannel = nullptr;
int nChannelCount = MWGetChannelCount();
if (0 == nChannelCount)
{
cerr << "ERROR: Can't find channels!\n";
return nullptr;
}
int proDevCount = 0;
int proDevChannel[32] = {-1};
for (int idx = 0; idx < nChannelCount; ++idx)
{
MWCAP_CHANNEL_INFO info;
MW_RESULT mr = MWGetChannelInfoByIndex(idx, &info);
if (0 == (strcmp(info.szFamilyName, "Pro Capture")))
{
proDevChannel[proDevCount] = idx;
proDevCount++;
}
}
if (proDevCount <= 0)
{
cerr << "ERROR: Can't find pro channels!\n";
return nullptr;
}
if(devIndex >= proDevCount)
{
cerr << "ERROR: just have " << proDevCount << " inputs!\n";
return nullptr;
}
if (verbose > 0)
cerr << "Found " << proDevCount << " pro inputs. ";
// Get <board id > <channel id> or <channel index>
// Open channel
if (boardId >= 0)
hChannel = MWOpenChannel(boardId, devIndex);
else
{
char path[128] = {0};
MWGetDevicePath(proDevChannel[devIndex], path);
hChannel = MWOpenChannelByPath(path);
}
if (hChannel == nullptr)
{
if (verbose > 0)
{
cerr << "Error: Failed to open ";
if (boardId >= 0)
cerr << "board " << hex << boardId << dec << " ";
cerr << "index " << devIndex << endl;
}
exit(2);
}
if (verbose > 0)
{
cerr << "Opened ";
if (boardId >= 0)
cerr << "board " << boardId << " ";
cerr << "index " << devIndex + 1 << endl;
}
return hChannel;
}
string GetVideoSignal(int state)
{
switch(state)
{
case MWCAP_VIDEO_SIGNAL_LOCKED:
return "LOCKED";
case MWCAP_VIDEO_SIGNAL_LOCKING:
return "LOCKING";
case MWCAP_VIDEO_SIGNAL_UNSUPPORTED:
return "UNSUPPORTED";
case MWCAP_VIDEO_SIGNAL_NONE:
return "None";
default:
return "UNKNOWN";
}
}
string GetVideoInputName(DWORD dwVideoInput)
{
switch (INPUT_TYPE(dwVideoInput))
{
case MWCAP_VIDEO_INPUT_TYPE_NONE:
return "None";
case MWCAP_VIDEO_INPUT_TYPE_HDMI:
return "HDMI";
case MWCAP_VIDEO_INPUT_TYPE_VGA:
return "VGA";
case MWCAP_VIDEO_INPUT_TYPE_SDI:
return "SDI";
case MWCAP_VIDEO_INPUT_TYPE_COMPONENT:
return "Component";
case MWCAP_VIDEO_INPUT_TYPE_CVBS:
return "CVBS";
case MWCAP_VIDEO_INPUT_TYPE_YC:
return "YC";
default:
return "Unknown";
}
}
string GetAudioInputName(DWORD dwAudioInput)
{
switch (INPUT_TYPE(dwAudioInput))
{
case MWCAP_AUDIO_INPUT_TYPE_NONE:
return "None";
case MWCAP_AUDIO_INPUT_TYPE_HDMI:
return "HDMI";
case MWCAP_AUDIO_INPUT_TYPE_SDI:
return "SDI";
case MWCAP_AUDIO_INPUT_TYPE_LINE_IN:
return "Line In";
case MWCAP_AUDIO_INPUT_TYPE_MIC_IN:
return "Mic In";
default:
return "Unknown";
}
}
string GetVideoColorName(MWCAP_VIDEO_COLOR_FORMAT color)
{
switch (color)
{
case MWCAP_VIDEO_COLOR_FORMAT_RGB:
return "RGB";
case MWCAP_VIDEO_COLOR_FORMAT_YUV601:
return "YUV BT.601";
case MWCAP_VIDEO_COLOR_FORMAT_YUV709:
return "YUV BT.709";
case MWCAP_VIDEO_COLOR_FORMAT_YUV2020:
return "YUV BT.2020";
case MWCAP_VIDEO_COLOR_FORMAT_YUV2020C:
return "YUV BT.2020C";
case MWCAP_VIDEO_COLOR_FORMAT_UNKNOWN:
default:
return "Unknown";
}
}
//sdi
string GetVideoSDIType(SDI_TYPE type)
{
switch (type)
{
case SDI_TYPE_SD:
return "SD";
case SDI_TYPE_HD:
return "HD";
case SDI_TYPE_3GA:
return "3GA";
case SDI_TYPE_3GB_DL:
return "3GB_DL";
case SDI_TYPE_3GB_DS:
return "3GB_DS";
case SDI_TYPE_DL_CH1:
return "DL_CH1";
case SDI_TYPE_DL_CH2:
return "DL_CH2";
case SDI_TYPE_6G_MODE1:
return "6G_MODE1";
case SDI_TYPE_6G_MODE2:
return "6G_MODE2";
default:
return "Unknown";
}
}
string GetVideoScanFmt(SDI_SCANNING_FORMAT type)
{
switch (type)
{
case SDI_SCANING_INTERLACED:
return "INTERLACED";
case SDI_SCANING_SEGMENTED_FRAME:
return "SEGMENTED_FRAME";
case SDI_SCANING_PROGRESSIVE:
return "PROGRESSIVE";
default:
return "Unknown";
}
}
string GetVideoSamplingStruct(SDI_SAMPLING_STRUCT type)
{
switch (type)
{
case SDI_SAMPLING_422_YCbCr:
return "422_YCbCr";
case SDI_SAMPLING_444_YCbCr:
return "444_YCbCr";
case SDI_SAMPLING_444_RGB:
return "444_RGB";
case SDI_SAMPLING_420_YCbCr:
return "420_YCbCr";
case SDI_SAMPLING_4224_YCbCrA:
return "4224_YCbCrA";
case SDI_SAMPLING_4444_YCbCrA:
return "4444_YCbCrA";
case SDI_SAMPLING_4444_RGBA:
return "4444_RGBA";
case SDI_SAMPLING_4224_YCbCrD:
return "4224_YCbCrD";
case SDI_SAMPLING_4444_YCbCrD:
return "4444_YCbCrD";
case SDI_SAMPLING_4444_RGBD:
return "4444_RGBD";
case SDI_SAMPLING_444_XYZ:
return "444_XYZ";
default:
return "Unknown";
}
}
string GetVideoBitDepth(SDI_BIT_DEPTH type)
{
switch (type)
{
case SDI_BIT_DEPTH_8BIT:
return "8bit";
case SDI_BIT_DEPTH_10BIT:
return "10bit";
case SDI_BIT_DEPTH_12BIT:
return "12bit";
default:
return "Unknown";
}
}
//vga
string GetVideoSyncType(BYTE type)
{
switch (type)
{
case VIDEO_SYNC_ALL:
return "ALL";
case VIDEO_SYNC_HS_VS:
return "HS_VS";
case VIDEO_SYNC_CS:
return "CS";
case VIDEO_SYNC_EMBEDDED:
return "EMBEDDED";
default:
return "Unknown";
}
}
//cvbs
string GetVideoSDStandard(MWCAP_SD_VIDEO_STANDARD type)
{
switch (type)
{
case MWCAP_SD_VIDEO_NONE:
return "NONE";
case MWCAP_SD_VIDEO_NTSC_M:
return "NTSC_M";
case MWCAP_SD_VIDEO_NTSC_433:
return "NTSC_433";
case MWCAP_SD_VIDEO_PAL_M:
return "PAL_M";
case MWCAP_SD_VIDEO_PAL_60:
return "PAL_60";
case MWCAP_SD_VIDEO_PAL_COMBN:
return "PAL_COMBN";
case MWCAP_SD_VIDEO_PAL_BGHID:
return "PAL_BGHID";
case MWCAP_SD_VIDEO_SECAM:
return "SECAM";
case MWCAP_SD_VIDEO_SECAM_60:
return "SECAM_60";
default:
return "Unknown";
}
}
string GetVideoInputType(DWORD type)
{
switch (type)
{
case MWCAP_VIDEO_INPUT_TYPE_NONE:
return "None";
case MWCAP_VIDEO_INPUT_TYPE_HDMI:
return "HDMI";
case MWCAP_VIDEO_INPUT_TYPE_VGA:
return "VGA";
case MWCAP_VIDEO_INPUT_TYPE_SDI:
return "SDI";
case MWCAP_VIDEO_INPUT_TYPE_COMPONENT:
return "COMPONENT";
case MWCAP_VIDEO_INPUT_TYPE_CVBS:
return "CVBS";
case MWCAP_VIDEO_INPUT_TYPE_YC:
return "YC";
default:
return "Unknown";
}
}
void ListInputs(void)
{
HCHANNEL hChannel = NULL;
MWRefreshDevice();
int num_channels = MWGetChannelCount();
int board = -1;
int idx;
for (idx = 0; idx < num_channels; ++idx)
{
char path[128] = { 0 };
if (hChannel != NULL)
MWCloseChannel(hChannel);
MWGetDevicePath(idx, path);
hChannel = MWOpenChannelByPath(path);
if (hChannel == NULL)
{
cerr << "ERROR: failed to open input " << idx << "\n";
continue;
}
MWCAP_CHANNEL_INFO videoInfo = { 0 };
if (MW_SUCCEEDED != MWGetChannelInfo(hChannel, &videoInfo))
{
cerr << "ERROR: failed to get channel info for input "
<< idx << "\n";
continue;
}
if (videoInfo.byBoardIndex != board)
{
cerr << "Board: " << static_cast<int>(videoInfo.byBoardIndex)
<< ", Product: " << videoInfo.szProductName
<< ", SerialNo: " << videoInfo.szBoardSerialNo
<< "\n";
board = videoInfo.byBoardIndex;
}
cerr << "[" << static_cast<int>(videoInfo.byChannelIndex) + 1
<< "] ";
MW_RESULT xr;
MWCAP_VIDEO_SIGNAL_STATUS vStatus;
MWCAP_INPUT_SPECIFIC_STATUS status;
xr = MWGetInputSpecificStatus(hChannel, &status);
if (xr == MW_SUCCEEDED &&
MWGetVideoSignalStatus(hChannel, &vStatus) == MW_SUCCEEDED)
{
if (!status.bValid)
{
cerr << "No signal\n";
continue;
}
cerr << "Video Signal " << GetVideoSignal(vStatus.state);
cerr << ": " << GetVideoInputType(status.dwVideoInputType);
if (status.dwVideoInputType == MWCAP_VIDEO_INPUT_TYPE_HDMI)
{
cerr << ", HDCP: " << (status.hdmiStatus.bHDCP ? "Yes"
: "No")
<< ", Mode: "
<< static_cast<int>(status.hdmiStatus.bHDMIMode)
<< ", Bit Depth: "
<< static_cast<int>(status.hdmiStatus.byBitDepth)
<< "\n";
}
else if (status.dwVideoInputType == MWCAP_VIDEO_INPUT_TYPE_SDI)
{
cerr << ", Type: " << GetVideoSDIType(status.sdiStatus.sdiType)
<< ", Scan Fmt: "
<< GetVideoScanFmt(status.sdiStatus.sdiScanningFormat)
<< ", Bit depth: "
<< GetVideoBitDepth(status.sdiStatus.sdiBitDepth)
<< ", Sampling: "
<< GetVideoSamplingStruct(status.sdiStatus.sdiSamplingStruct)
<< "\n";
}
else if (status.dwVideoInputType == MWCAP_VIDEO_INPUT_TYPE_VGA)
{
double dFrameDuration =
(status.vgaComponentStatus.syncInfo.bInterlaced == TRUE)
? (double)20000000
/ status.vgaComponentStatus.syncInfo.dwFrameDuration
: (double)10000000
/ status.vgaComponentStatus.syncInfo.dwFrameDuration;
dFrameDuration = static_cast<int>(dFrameDuration * 100)
/ 100.0;
cerr << ", ScanType: "
<< GetVideoSyncType(status.vgaComponentStatus.syncInfo.bySyncType)
<< ", bHSPolarity: "
<< status.vgaComponentStatus.syncInfo.bHSPolarity
<< ", bVSPolarity: "
<< status.vgaComponentStatus.syncInfo.bVSPolarity
<< ", Interlaced: "
<< status.vgaComponentStatus.syncInfo.bInterlaced
<< ", FrameDuration: " << dFrameDuration
<< "\n";
}
else if (status.dwVideoInputType == MWCAP_VIDEO_INPUT_TYPE_CVBS) {
cerr << ", Standard: "
<< GetVideoSDStandard(status.cvbsYcStatus.standard)
<< ", b50Hz: " << status.cvbsYcStatus.b50Hz
<< "\n";
}
double dFrameDuration = (vStatus.bInterlaced == TRUE)
? (double)20000000
/ vStatus.dwFrameDuration
: (double)10000000
/ vStatus.dwFrameDuration;
dFrameDuration = static_cast<int>(dFrameDuration * 100)
/ 100.0;
cerr << " " << vStatus.cx << "x" << vStatus.cy
<< (vStatus.bInterlaced ? "i" : "p")
<< dFrameDuration;
cerr << " [x:" << vStatus.x
<< ", y:" << vStatus.y << "] "
<< "total (" << vStatus.cxTotal << "x"
<< vStatus.cyTotal << ") "
<< "aspect " << vStatus.nAspectX << ":"
<< vStatus.nAspectY
<< " " << GetVideoColorName(vStatus.colorFormat)
<< "\n";
}
// Audio Signal Status
MWCAP_AUDIO_SIGNAL_STATUS aStatus;
xr = MWGetAudioSignalStatus(hChannel, &aStatus);
if (xr == MW_SUCCEEDED)
{
cerr << " Audio Signal "
<< (aStatus.bChannelStatusValid ? "Valid" : "Invalid");
if (!aStatus.bChannelStatusValid)
{
cerr << "\n";
continue;
}
cerr << ", Channels:";
for (int i = 0; i < 4; ++i)
{
if (aStatus.wChannelValid & (0x01 << i))
cerr << " " << (i * 2 + 1) << "&" << (i * 2 + 2);
}
cerr << ", LPCM: " << (aStatus.bLPCM ? "Yes" : "No")
<< ", BPS: " << static_cast<int>(aStatus.cBitsPerSample)
<< ", Sample Rate: "
<< aStatus.dwSampleRate
<< "\n";
}
}
if (hChannel != NULL)
MWCloseChannel(hChannel);
}
bool ReadEDID(HCHANNEL hChannel, const string & edid_file)
{
DWORD dwVideoSource = 0;
DWORD dwAudioSource = 0;
if (MW_SUCCEEDED != MWGetVideoInputSource(hChannel, &dwVideoSource))
{
cerr << "ERROR: Can't get video input source!\n";
return false;
}
if (MW_SUCCEEDED != MWGetAudioInputSource(hChannel, &dwAudioSource))
{
cerr << "ERROR: Can't get audio input source!\n";
return false;
}
if (INPUT_TYPE(dwVideoSource) != MWCAP_VIDEO_INPUT_TYPE_HDMI ||
INPUT_TYPE(dwAudioSource) != MWCAP_AUDIO_INPUT_TYPE_HDMI)
{
cerr << "Type of input source is not HDMI !\n";
return false;
}
MW_RESULT xr;
FILE* pFile = nullptr;
pFile=fopen(edid_file.c_str(), "wb");
if (pFile == nullptr)
{
cerr << "ERROR: Read EDID file!\n";
return false;
}
ULONG ulSize = 256;
BYTE byData[256];
xr = MWGetEDID(hChannel, byData, &ulSize);
if (xr == MW_SUCCEEDED)
{
int nWriteSize = (int)fwrite(byData, 1, 256, pFile);
if (nWriteSize == ulSize)
{
cerr << "Wrote EDID to '" << edid_file << "'\n";
}
else
{
cerr << "ERROR: Failed to write to '" << edid_file << "'"
<< strerror(errno) << "\n";
}
}
else
{
cerr << "ERROR: Get EDID Info!\n";
}
fclose(pFile);
pFile = NULL;
return true;
}
bool WriteEDID(HCHANNEL hChannel, const string & edid_file)
{
DWORD dwVideoSource = 0;
DWORD dwAudioSource = 0;
if (MW_SUCCEEDED != MWGetVideoInputSource(hChannel, &dwVideoSource))
{
cerr << "ERROR: Can't get video input source!\n";
return false;
}
if (MW_SUCCEEDED != MWGetAudioInputSource(hChannel, &dwAudioSource))
{
cerr << "ERROR: Can't get audio input source!\n";
return false;
}
if (INPUT_TYPE(dwVideoSource) != MWCAP_VIDEO_INPUT_TYPE_HDMI ||
INPUT_TYPE(dwAudioSource) != MWCAP_AUDIO_INPUT_TYPE_HDMI)
{
cerr << "Type of input source is not HDMI !\n";
return false;
}
MW_RESULT xr;
FILE* pFile = nullptr;
pFile=fopen(edid_file.c_str(), "rb");
if (pFile == nullptr)
{
cerr << "ERROR: write EDID file!\n";
return false;
}
BYTE byData[1024];
int nSize = (int)fread(byData, 1, 1024, pFile);
xr = MWSetEDID(hChannel, byData, nSize);
if (xr == MW_SUCCEEDED)
cerr << "EDID written successfully.\n";
else
cerr << "Failed to write EDID!\n";
fclose(pFile);
pFile = NULL;
return true;
}
void* audio_capture(void* param1, int param2, void* param3)
{
int bytes_per_sample;
MWCAP_PTR notify_event = 0;
HNOTIFY notify_audio = 0;
DWORD input_count = 0;
int cur_channels;
int channel_offset;
unsigned char* capture_buf = nullptr;
MWCAP_AUDIO_SIGNAL_STATUS audio_signal_status;
int err_cnt = 0;
int cnt = 0;
long long int tm_current = 0LL;
long long int tm_last = 0LL;
uint64_t audio_frame_rate = 0LL;
HCHANNEL* channel_handle = reinterpret_cast<HCHANNEL* >(param1);
int verbose = param2;
OutputTS* out2ts = reinterpret_cast<OutputTS* >(param3);
notify_event = MWCreateEvent();
if (notify_event == 0)
{
if (verbose > 0)
cerr << "create notify_event fail\n";
goto audio_capture_stoped;
}
notify_audio = MWRegisterNotify(channel_handle, notify_event,
MWCAP_NOTIFY_AUDIO_FRAME_BUFFERED |
MWCAP_NOTIFY_AUDIO_SIGNAL_CHANGE |
MWCAP_NOTIFY_AUDIO_INPUT_RESET |
MWCAP_NOTIFY_HDMI_INFOFRAME_AUDIO
);
if (notify_audio == 0)
{
if (verbose > 0)
cerr << "Register Notify audio fail\n";
goto audio_capture_stoped;
}
MWGetAudioInputSourceArray(channel_handle, nullptr, &input_count);
if (input_count == 0)
{
if (verbose > 0)
cerr << "can't find audio input\n";
goto audio_capture_stoped;
}
if (MW_SUCCEEDED != MWStartAudioCapture(channel_handle))
{
if (verbose > 0)
cerr << "start audio capture fail!\n";
goto audio_capture_stoped;
}
if (verbose > 1)
cerr << "Audio capture starting\n";
while (g_running)
{
if (MW_SUCCEEDED != MWGetAudioSignalStatus(channel_handle,
&audio_signal_status))
{
if (++err_cnt > 50)
break;
if (verbose > 0)
cerr << "[" << err_cnt << "] can't get audio signal status\n";
std::this_thread::sleep_for(std::chrono::milliseconds(500));
continue;
}
// FALSE ==
if (!audio_signal_status.wChannelValid)
{
if (++err_cnt > 50)
break;
if (verbose > 0)
cerr << "[" << err_cnt << "] audio signal is invalid\n";
std::this_thread::sleep_for(std::chrono::milliseconds(500));
continue;
}
bytes_per_sample = audio_signal_status.cBitsPerSample / 8;
cur_channels = 0;
for (int idx = 0; idx < (MWCAP_AUDIO_MAX_NUM_CHANNELS / 2); ++idx)
{
cur_channels +=
(audio_signal_status.wChannelValid & (0x01 << idx)) ? 2 : 0;
}
if (0 == cur_channels)
{
if (++err_cnt > 50)
break;
if (verbose > 0)
cerr << "[" << err_cnt << "] audio channel "
<< cur_channels << " error\n";
std::this_thread::sleep_for(std::chrono::milliseconds(500));
continue;
}
channel_offset = cur_channels / 2;
if (capture_buf != nullptr)
{
delete[] capture_buf;
capture_buf = nullptr;
}
size_t frame_size = MWCAP_AUDIO_SAMPLES_PER_FRAME * cur_channels *
bytes_per_sample;
capture_buf = new uint8_t[frame_size];
if (nullptr == capture_buf)
{
if (verbose > 0)
cerr << "capture_buf alloc failed\n";
break;
}
MWGetDeviceTime(channel_handle, &tm_last);
// Channels: 2 SampleRate: 48000 FrameRate: 9216000 BytesPerSample: 2
// perFrame 192
out2ts->setAudioParams(cur_channels, bytes_per_sample,
MWCAP_AUDIO_SAMPLES_PER_FRAME);
cnt = 0;
err_cnt = 0;
while (g_running)
{
ULONGLONG notify_status = 0;
unsigned char* audio_frame;
MWCAP_AUDIO_CAPTURE_FRAME macf;
if (MWWaitEvent(notify_event, 1000) <= 0)
{
if (verbose > 1)
cerr << "Audio wait notify error or timeout\n";
continue;
}
if (MW_SUCCEEDED != MWGetNotifyStatus(channel_handle,
notify_audio,
¬ify_status))
{
continue;
}
if (notify_status & MWCAP_NOTIFY_AUDIO_SIGNAL_CHANGE)
{
if (verbose > 1)
cerr << "Audio signal CHANGED!\n";
break;
}
if (notify_status & MWCAP_NOTIFY_AUDIO_INPUT_RESET)
{
if (verbose > 1)
cerr << "Audio input RESET!\n";
break;
}
if (notify_status & MWCAP_NOTIFY_HDMI_INFOFRAME_AUDIO)
{
if (verbose > 1)
cerr << "Audio HDMI INFOFRAME AUDIO!\n";
}
if (!(notify_status & MWCAP_NOTIFY_AUDIO_FRAME_BUFFERED))
{
continue;
}
if (MW_ENODATA == MWCaptureAudioFrame(channel_handle, &macf))
{
std::this_thread::sleep_for(std::chrono::milliseconds(5));
continue;
}
uint64_t timestamp = macf.llTimestamp;
/*
L1L2L3L4R1R2R3R4L5L6L7L8R5R6R7R8(4byte)
to 2channel 16bit
L1R1L5R5(2byte)
*/
for (int j = 0; j < (cur_channels/2); ++j)
{
for (int i = 0 ; i < MWCAP_AUDIO_SAMPLES_PER_FRAME; ++i)
{
int write_pos = (i * cur_channels + j * 2) *
bytes_per_sample;
int read_pos = (i * MWCAP_AUDIO_MAX_NUM_CHANNELS + j);
int read_pos2 = (i * MWCAP_AUDIO_MAX_NUM_CHANNELS + j +
MWCAP_AUDIO_MAX_NUM_CHANNELS / 2);
DWORD left = macf.adwSamples[read_pos]
>> (32 - audio_signal_status.cBitsPerSample);
DWORD right = macf.adwSamples[read_pos2]
>> (32 - audio_signal_status.cBitsPerSample);
memcpy(&capture_buf[write_pos], &left, bytes_per_sample);
memcpy(&capture_buf[write_pos + bytes_per_sample],
&right, bytes_per_sample);
}
}
out2ts->addPacket(capture_buf, frame_size, timestamp);
}
}
audio_capture_stoped:
g_running = false;
if(capture_buf)
delete[] capture_buf;
if(notify_audio)
{
MWUnregisterNotify(channel_handle, notify_audio);
notify_audio = 0;
}
MWStopAudioCapture(channel_handle);
if(notify_event!= 0)
{
MWCloseEvent(notify_event);
notify_event = 0;
}
return nullptr;
}
bool video_capture_loop(HCHANNEL hChannel,
HNOTIFY hNotify,
MWCAP_PTR hNotifyEvent,
MWCAP_PTR hCaptureEvent,
uint8_t* pbImage,
int verbose,
OutputTS & out2ts)
{
MWCAP_VIDEO_DEINTERLACE_MODE mode;
DWORD notifyBufferMode;
LONGLONG llTotalTime = 0LL;
DWORD dwFourcc = MWFOURCC_I420;
if (out2ts.encoderType() == OutputTS::QSV ||
out2ts.encoderType() == OutputTS::VAAPI)
dwFourcc = MWFOURCC_NV12;
else if (out2ts.encoderType() == OutputTS::NV)
dwFourcc = MWFOURCC_I420;
else
{
cerr << "Failed to determine best magewell pixel format.\n";
return false;
}
while (g_running)
{
if (!out2ts.AudioReady())
continue;
MWCAP_VIDEO_BUFFER_INFO videoBufferInfo;
MWGetVideoBufferInfo(hChannel, &videoBufferInfo);
MWCAP_VIDEO_FRAME_INFO videoFrameInfo;
MWGetVideoFrameInfo(hChannel,
videoBufferInfo.iNewestBufferedFullFrame,
&videoFrameInfo);
MWCAP_VIDEO_SIGNAL_STATUS videoSignalStatus;
MWGetVideoSignalStatus(hChannel, &videoSignalStatus);
DWORD dwMinStride = FOURCC_CalcMinStride(dwFourcc,
videoSignalStatus.cx, 4);
DWORD dwImageSize = FOURCC_CalcImageSize(dwFourcc,
videoSignalStatus.cx,
videoSignalStatus.cy,
dwMinStride);
switch (videoSignalStatus.state)
{
case MWCAP_VIDEO_SIGNAL_NONE:
if (verbose > 1)
cerr << "ERRPR: Input signal status: NONE\n";
break;
case MWCAP_VIDEO_SIGNAL_UNSUPPORTED:
if (verbose > 1)
cerr << "ERRPR: Input signal status: Unsupported\n";
break;
case MWCAP_VIDEO_SIGNAL_LOCKING:
if (verbose > 1)
cerr << "ERRPR: Input signal status: Locking\n";
break;
case MWCAP_VIDEO_SIGNAL_LOCKED:
if (verbose > 1)
cerr << "Input signal status: Locked\n";
break;
}
if (videoSignalStatus.state != MWCAP_VIDEO_SIGNAL_LOCKED)
{
MWStopVideoCapture(hChannel);
break;
}
double frame_duration = videoSignalStatus.dwFrameDuration;
AVRational frame_rate, time_base;
if (videoSignalStatus.bInterlaced == TRUE)
{
frame_rate = (AVRational){20000000LL, (int)frame_duration};
time_base = (AVRational){1, 20000000LL};
}
else
{
frame_rate = (AVRational){10000000LL, (int)frame_duration};
time_base = (AVRational){1, 10000000LL};
}
// 100ns / frame_duration
if (verbose > 2)
{
cerr << "========\n";
double fps = (videoSignalStatus.bInterlaced == TRUE) ?