summaryrefslogtreecommitdiffstats
path: root/meta-agl-lxc/recipes-platform/images/lxc-host-image-minimal.bb
diff options
context:
space:
mode:
authorMarius Vlad <marius.vlad@collabora.com>2022-07-20 19:40:25 +0300
committerMarius Vlad <marius.vlad@collabora.com>2022-07-20 19:43:07 +0300
commitf76a4e381d478a4bcad69909587d25f99051d24f (patch)
treee2072b2e77aea094ed23f4cad0cd0dcdf1bd9228 /meta-agl-lxc/recipes-platform/images/lxc-host-image-minimal.bb
parenta401ff69d9fce660b7dce85e1d9c07a37641240f (diff)
ivi-homescreen_aglflutter.inc: Add a config.json for the shell client
Since the last update to ivi-homescreen it requires a JSON configuration file. This one brings it to be able to bind to the agl-shell interface and use the app gallery as the background surface. Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Change-Id: I7ec2c64308f028d7d25b3604bbe0cde32199aab9
Diffstat (limited to 'meta-agl-lxc/recipes-platform/images/lxc-host-image-minimal.bb')
0 files changed, 0 insertions, 0 deletions
a> 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 
/*
 * Video On Demand Samples
 *
 * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * You may also obtain this software under a propriety license from Microchip.
 * Please contact Microchip for further information.
 *
 */

/*----------------------------------------------------------*/
/*! \file
 *  \brief  This file contains the CMultiplexer class.
 */
/*----------------------------------------------------------*/
#ifndef _MULTIPLEXER_H_
#define _MULTIPLEXER_H_

//#define TS_STUFFING
//#define UDP_STREAM_TARGET_IP "127.0.0.1"

#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include "Console.h"
#include "ThreadReadHdd.h"
#include "ThreadWriteNetwork.h"

#ifdef UDP_STREAM_TARGET_IP
#include "udp-stream.h"
static bool udpStreamCreated = false;
#endif



typedef enum WriteResult_tag
{
    WriteResult_Success,
    WriteResult_Failed,
    WriteResult_WouldBlock
} WriteResult_t;


/*----------------------------------------------------------*/
/*! \brief Class multiplexing multiple transport streams into
 *         a single driver output.
 */
/*----------------------------------------------------------*/
class CMultiplexer : public CStreamList
{
    int m_hDriver;
    char m_szDriver[64];
    uint64_t m_nBytesStuffed;
    uint32_t m_nStuffingCount;
    uint32_t m_nWriteLen;
    uint8_t *m_pBuf;
    uint32_t m_nBufPos;
    uint8_t m_scratchBuffer[CTsPacket::TS_PACKET_LEN];
    uint8_t m_scratchBufPos;
    bool m_patSent;
    CThreadReadHdd *readThread;
    CThreadWriteNetwork *writeThread;
#ifdef UDP_STREAM_TARGET_IP    
    bool useUdp;
#endif    
    
    static const char *GetErrnoString(int err)
    {
        switch( err )
        {
        case 0:
            return "Nothing stored in errno";
        case 1:
            return "Operation not permitted";
        case 2:
            return "No such file or directory";
        case 3:
            return "No such process";
        case 4:
            return "Interrupted system call";
        case 5:
            return "I/O error";
        case 6:
            return "No such device or address";
        case 7:
            return "Argument list too long";
        case 8:
            return "Exec format error";
        case 9:
            return "Bad file number";
        case 10:
            return "No child processes";
        case 11:
            return "Try again";
        case 12:
            return "Out of memory";
        case 13:
            return "Permission denied";
        case 14:
            return "Bad address";
        case 15:
            return "Block device required";
        case 16:
            return "Device or resource busy";
        case 17:
            return "File exists";
        case 18:
            return "Cross-device link";
        case 19:
            return "No such device";
        case 20:
            return "Not a directory";
        case 21:
            return "Is a directory";
        case 22:
            return "Invalid argument";
        case 23:
            return "File table overflow";
        case 24:
            return "Too many open files";
        case 25:
            return "Not a typewriter";
        case 26:
            return "Text file busy";
        case 27:
            return "File too large";
        case 28:
            return "No space left on device";
        case 29:
            return "Illegal seek";
        case 30:
            return "Read-only file system";
        case 31:
            return "Too many links";
        case 32:
            return "Broken pipe";
        case 33:
            return "Math argument out of domain of func";
        case 34:
            return "Math result not representable";
        default:
            break;
        }
        return "Unknown";
    }    

public:
    /*----------------------------------------------------------*/
    /*! \brief Constructs CMultiplexer instance
    *
    *  \param szDriver - The character device name of isochronous 
    *         MOST device channel. (e.g. "/root/myFifo")
    *         minimal bandwidth.
    */
    /*----------------------------------------------------------*/
    CMultiplexer( const char *szDriver, uint32_t nWriteLen ) : 
        m_nStuffingCount( 0 ), m_nWriteLen( nWriteLen ), m_nBufPos( 0 ), 
        m_scratchBufPos( 0 ), m_patSent( false )
    {
#ifdef UDP_STREAM_TARGET_IP
        useUdp = !udpStreamCreated;            
        if (!udpStreamCreated)
        {
            udpStreamCreated = true;
            UdpStream_Init( UDP_STREAM_TARGET_IP, 1234 );
        }
#endif
        m_pBuf = (uint8_t *)malloc( nWriteLen );
        if ( NULL == m_pBuf )
        {
            ConsolePrintf( PRIO_ERROR, RED"! memory error in CMultiplexer"\
                " constructor"RESETCOLOR"\n");
            throw( -40 );
        }
        strncpy(m_szDriver, szDriver, sizeof(m_szDriver));
        m_hDriver = open( szDriver, O_WRONLY );

        if( -1 == m_hDriver )
        {
            int err = errno;
            ConsolePrintf( PRIO_ERROR, RED"! failed to open driver: '%s', "\
                "ERRNO: %d ('%s')"RESETCOLOR"\n",
                szDriver, err, GetErrnoString( err ));
            throw( -30 );
            return;
        }

        readThread = new CThreadReadHdd();
        readThread->AddStreamList( this );
        
        writeThread = new CThreadWriteNetwork();
        writeThread->AddMultiplexer( this );
    }




    /*----------------------------------------------------------*/
    /*! \brief Destructs CMultiplexer instance
    */
    /*----------------------------------------------------------*/
    ~CMultiplexer()
    {
        readThread->RemoveStreamList( this );
        delete readThread;
        
        writeThread->RemoveMultiplexer( this );
        if( -1 != m_hDriver )
            close( m_hDriver );
    }




    /*----------------------------------------------------------*/
    /*! \brief Returns the name of the character device.
    *  \return The name of the device (e.g. "/dev/mdev0").
    */
    /*----------------------------------------------------------*/
    const char *GetDriverName( void )
    {
        return m_szDriver;
    }




    /*----------------------------------------------------------*/
    /*! \brief Starts to add/change a sub-stream in the
     *        multiplex.
     *  \param MacAddr - The MAC address of the destination device.
     *  \param MacAddr - The full path to transport stream file.
     */
    /*----------------------------------------------------------*/
    void PlayStream( CMacAddr *MacAddr, CSource *pSource )
    {
        CStream *pStream = GetStream( MacAddr );                  // is there already a stream assigned to this MAC?

        if( NULL == pStream )
        {
            pStream = GetStream( NULL );                          // find a stream object having an empty MAC

            if( NULL == pStream )
            {                              // all streams in use?
                ConsolePrintf( PRIO_ERROR, RED"too many streams open"RESETCOLOR );
                return;
            }
            pStream->SetMacAddr( MacAddr );                       // set MAC address of the stream
        }

        pStream->SetSource( pSource );                            // select file to be streamed
        pStream->SetPause( false );                               // switch off pause
    }




    /*----------------------------------------------------------*/
    /*! \brief Changes play position of a stream
    *  \param MacAddr - The MAC address of the destination device.
    *	\param nPos - The new time position of the stream.
    */
    /*----------------------------------------------------------*/
    void SetPos( CMacAddr *MacAddr, uint16_t nPos )
    {
        CStream *pStream = GetStream( MacAddr );
        if( pStream )
            pStream->SetPos( nPos );
    }




    /*----------------------------------------------------------*/
    /*! \brief Pauses a stream
    *  \param MacAddr - The MAC address of the destination device.
    *  \param bPause - true, if the stream shall be paused. false, 
    *         if the stream shall be playing.
    */
    /*----------------------------------------------------------*/
    void SetPause( CMacAddr *MacAddr, bool bPause )
    {
        CStream *pStream = GetStream( MacAddr );
        if( pStream )
            pStream->SetPause( bPause );
    }




    /*----------------------------------------------------------*/
    /*! \brief Pauses a stream
    *  \param MacAddr - The MAC address of the destination device.
    *  \param bRepetition - true, if the stream shall be 
    *         repeated infinitely, false, if the stream shall be 
    *         stopped after reaching the end.
    */
    /*----------------------------------------------------------*/
    void SetRepetition( CMacAddr *MacAddr, bool bRepetition )
    {
        CStream *pStream = GetStream( MacAddr );
        if( pStream )
            pStream->SetRepetition( bRepetition );
    }




    /*----------------------------------------------------------*/
    /*! \brief Stops a stream and releases resources
    *  \param MacAddr - The MAC address of the destination device.
    */
    /*----------------------------------------------------------*/
    void StopStream( CMacAddr *MacAddr )
    {
        CStream *pStream = GetStream( MacAddr );
        if( pStream )
            pStream->SetSource( NULL );
    }




    /*----------------------------------------------------------*/
    /*! \brief Structure holding statistics values.
    *  \note Pass this structure to the GetStatistics method.
    */
    /*----------------------------------------------------------*/
    typedef struct
    {
        uint64_t bytesSent;         /*! The amount of bytes sent with video and audio 
                                    *  data are written into the given buffer. */
        uint64_t bytesStuffed;      /*! The amount of bytes sent with stuffing payload. */
        uint64_t bytesRead;         /*! The amount of bytes read with video and audio 
                                    *  data are written into the given buffer. */
        uint64_t errPcr;            /*! The amount of PCR errors are written into 
                                    *  the given buffer. */
        uint64_t errBufUnderflow;   /*! Number of buffer underflows 
                                    *  occurred since last call. Values higher than zero
                                    *  are indicating that the thread reading stream data
                                    *  from files, has not enough performance */
        uint64_t errBufOverflow;    /*! Number of buffer overflows 
                                    *  occurred since last call. Values higher than zero
                                    *  are indicating that the sending thread does not 
                                    *  get away data fast enough. Reason could be that 
                                    *  the MOST channel is too small, that the CPU is 
                                    *  too small, ... */
        uint64_t errTs;             /*! The amount of TS errors are written into 
                                    *  the given buffer. */
    } MultiplexStats_t;




    /*----------------------------------------------------------*/
    /*! \brief Retrieves the statistics for the stream
    *  \param MacAddr - The MAC address of the destination device.
    *  \param pStats - Pointer to the MultiplexStats_t structure. 
    *                  This will be filled with data by this method.
    */
    /*----------------------------------------------------------*/
    bool GetStatistics( CMacAddr *MacAddr, MultiplexStats_t *pStats )
    {
        CStream *pStream = GetStream( MacAddr );
        if( NULL == pStats )
            return false;

        memset( ( void * )pStats, 0, sizeof( MultiplexStats_t ) );
        if( NULL != pStream )
        {
            pStats->bytesSent = pStream->GetBytesSent();
            pStats->bytesRead = pStream->GetBytesRead();
            pStats->errPcr = pStream->GetErrPcr();
            pStats->errBufUnderflow = pStream->GetErrBufUnderflow();
            pStats->errBufOverflow = pStream->GetErrBufOverflow();
            pStats->errTs = pStream->GetErrTs();
        }

        pStats->bytesStuffed = m_nBytesStuffed;
        m_nBytesStuffed = 0;

        return true;
    }




    /*----------------------------------------------------------*/
    /*! \brief sends some data if possible
    *  \return enumeration, holding the result of this operation
    */
    /*----------------------------------------------------------*/
    WriteResult_t WriteToDriver()
    {
        uint8_t *pBuf;
        if (0 != m_scratchBufPos)
        {
            uint32_t tail = CTsPacket::TS_PACKET_LEN - m_scratchBufPos;
            memcpy(&m_pBuf[m_nBufPos], &m_scratchBuffer[m_scratchBufPos], tail);
            m_nBufPos += tail;
        }
        m_scratchBufPos = 0;
        for( ; m_nBufPos < m_nWriteLen; m_nBufPos += CTsPacket::TS_PACKET_LEN )
        {
            if ( m_nBufPos + CTsPacket::TS_PACKET_LEN <= m_nWriteLen )
            {
                pBuf = m_pBuf + m_nBufPos; //The buffer has enough space to hold a complete transport stream packet
            }
            else
            {
                pBuf = m_scratchBuffer; //The buffer is not full, but there is a little space left, so use scratch buffer
                m_scratchBufPos = m_nWriteLen - m_nBufPos;
            }
            
            if ( !m_patSent && GetPatPacket( pBuf ) )
            {
                m_patSent = true;
            }
            else if( !GetTsPacket( pBuf ) )
            {
#ifdef TS_STUFFING                
                CTsPacket::CreateStuffing( pBuf, m_nStuffingCount++ );
                m_nBytesStuffed += CTsPacket::TS_PACKET_LEN;
#else
                return WriteResult_WouldBlock;
#endif
            }
            if (0 != m_scratchBufPos)
            {
                memcpy(m_pBuf + m_nBufPos, m_scratchBuffer, m_scratchBufPos);
                break;
            }
        }
#ifdef UDP_STREAM_TARGET_IP
        if (useUdp)        
        {
            uint32_t udpSent = 0;
            const uint32_t maxUdpSend = 7 * CTsPacket::TS_PACKET_LEN;
            do
            {
                uint32_t bytesToSend = m_nWriteLen - udpSent;
                if (bytesToSend > maxUdpSend)
                    bytesToSend = maxUdpSend;  
                UdpStream_Send( &m_pBuf[udpSent], bytesToSend );
                        udpSent += bytesToSend;
            }
            while (udpSent < m_nWriteLen);
        }
#endif  
        m_nBufPos = 0;
        m_patSent = false;
        return ( m_nWriteLen == ( uint32_t )write( m_hDriver, m_pBuf, m_nWriteLen ) ) ? WriteResult_Success : WriteResult_Failed;
    }
};




#endif