644 lines
21 KiB
C++
Executable File
644 lines
21 KiB
C++
Executable File
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <pthread.h>
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#include <ctype.h>
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#include <errno.h>
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#include "cdx_config.h"
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#include "log.h"
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#include "awplayer.h"
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static const int STATUS_STOPPED = 0;
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static const int STATUS_PREPARING = 1;
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static const int STATUS_PREPARED = 2;
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static const int STATUS_PLAYING = 3;
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static const int STATUS_PAUSED = 4;
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static const int STATUS_SEEKING = 5;
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typedef struct DemoPlayerContext
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{
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AwPlayer* mAwPlayer;
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int mPreStatus;
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int mStatus;
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int mSeekable;
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pthread_mutex_t mMutex;
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}DemoPlayerContext;
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//* define commands for user control.
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typedef struct Command
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{
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const char* strCommand;
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int nCommandId;
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const char* strHelpMsg;
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}Command;
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#define COMMAND_HELP 0x1 //* show help message.
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#define COMMAND_QUIT 0x2 //* quit this program.
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#define COMMAND_SET_SOURCE 0x101 //* set url of media file.
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#define COMMAND_PLAY 0x102 //* start playback.
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#define COMMAND_PAUSE 0x103 //* pause the playback.
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#define COMMAND_STOP 0x104 //* stop the playback.
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#define COMMAND_SEEKTO 0x105 //* seek to posion, in unit of second.
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#define COMMAND_SHOW_MEDIAINFO 0x106 //* show media information.
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#define COMMAND_SHOW_DURATION 0x107 //* show media duration, in unit of second.
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#define COMMAND_SHOW_POSITION 0x108 //* show current play position, in unit of second.
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#define COMMAND_SWITCH_AUDIO 0x109 //* switch autio track.
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static const Command commands[] =
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{
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{"help", COMMAND_HELP, "show this help message."},
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{"quit", COMMAND_QUIT, "quit this program."},
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{"set url", COMMAND_SET_SOURCE, "set url of the media, for example, set url: ~/testfile.mkv."},
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{"play", COMMAND_PLAY, "start playback."},
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{"pause", COMMAND_PAUSE, "pause the playback."},
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{"stop", COMMAND_STOP, "stop the playback."},
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{"seek to", COMMAND_SEEKTO,
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"seek to specific position to play, position is in unit of second, for example, seek to: 100."},
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{"show media info", COMMAND_SHOW_MEDIAINFO, "show media information of the media file."},
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{"show duration", COMMAND_SHOW_DURATION, "show duration of the media file."},
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{"show position", COMMAND_SHOW_POSITION, "show current play position, position is in unit of second."},
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{"switch audio", COMMAND_SWITCH_AUDIO,
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"switch audio to a specific track, for example, switch audio: 2, track is start counting from 0."},
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{NULL, 0, NULL}
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};
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static void showHelp(void)
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{
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int i;
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printf("\n");
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printf("******************************************************************************************\n");
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printf("* This is a simple media player, when it is started, you can input commands to tell\n");
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printf("* what you want it to do.\n");
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printf("* Usage: \n");
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printf("* # ./demoPlayer\n");
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printf("* # set url: http://www.allwinner.com/ald/al3/testvideo1.mp4\n");
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printf("* # show media info\n");
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printf("* # play\n");
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printf("* # pause\n");
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printf("* # stop\n");
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printf("*\n");
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printf("* Command and it param is seperated by a colon, param is optional, as below:\n");
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printf("* Command[: Param]\n");
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printf("*\n");
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printf("* here are the commands supported:\n");
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for(i=0; ; i++)
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{
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if(commands[i].strCommand == NULL)
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break;
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printf("* %s:\n", commands[i].strCommand);
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printf("*\t\t%s\n", commands[i].strHelpMsg);
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}
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printf("*\n");
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printf("******************************************************************************************\n");
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}
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static int readCommand(char* strCommandLine, int nMaxLineSize)
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{
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int nMaxFds;
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fd_set readFdSet;
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int result;
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char* p;
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unsigned int nReadBytes;
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printf("\ndemoPlayer# ");
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fflush(stdout);
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nMaxFds = 0;
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FD_ZERO(&readFdSet);
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FD_SET(STDIN_FILENO, &readFdSet);
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result = select(nMaxFds+1, &readFdSet, NULL, NULL, NULL);
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if(result > 0)
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{
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if(FD_ISSET(STDIN_FILENO, &readFdSet))
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{
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nReadBytes = read(STDIN_FILENO, &strCommandLine[0], nMaxLineSize);
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if(nReadBytes > 0)
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{
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p = strCommandLine;
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while(*p != 0)
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{
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if(*p == 0xa)
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{
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*p = 0;
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break;
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}
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p++;
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}
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}
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return 0;
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}
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}
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return -1;
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}
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static void formatString(char* strIn)
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{
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char* ptrIn;
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char* ptrOut;
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int len;
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int i;
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if(strIn == NULL || (len=strlen(strIn)) == 0)
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return;
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ptrIn = strIn;
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ptrOut = strIn;
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i = 0;
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while(*ptrIn != '\0')
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{
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//* skip the beginning space or multiple space between words.
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if(*ptrIn != ' ' || (i!=0 && *(ptrOut-1)!=' '))
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{
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*ptrOut++ = *ptrIn++;
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i++;
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}
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else
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ptrIn++;
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}
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//* skip the space at the tail.
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if(i==0 || *(ptrOut-1) != ' ')
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*ptrOut = '\0';
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else
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*(ptrOut-1) = '\0';
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return;
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}
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//* return command id,
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static int parseCommandLine(char* strCommandLine, int* pParam)
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{
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char* strCommand;
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char* strParam;
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int i;
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int nCommandId;
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char colon = ':';
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if(strCommandLine == NULL || strlen(strCommandLine) == 0)
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{
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return -1;
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}
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strCommand = strCommandLine;
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strParam = strchr(strCommandLine, colon);
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if(strParam != NULL)
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{
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*strParam = '\0';
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strParam++;
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}
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formatString(strCommand);
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formatString(strParam);
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nCommandId = -1;
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for(i=0; commands[i].strCommand != NULL; i++)
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{
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if(strcmp(commands[i].strCommand, strCommand) == 0)
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{
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nCommandId = commands[i].nCommandId;
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break;
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}
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}
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if(commands[i].strCommand == NULL)
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return -1;
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switch(nCommandId)
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{
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case COMMAND_SET_SOURCE:
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if(strParam != NULL && strlen(strParam) > 0)
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*pParam = (uintptr_t)strParam; //* pointer to the url.
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else
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{
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printf("no url specified.\n");
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nCommandId = -1;
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}
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break;
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case COMMAND_SEEKTO:
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if(strParam != NULL)
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{
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*pParam = (int)strtol(strParam, (char**)NULL, 10); //* seek time in unit of second.
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if(errno == EINVAL || errno == ERANGE)
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{
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printf("seek time is not valid.\n");
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nCommandId = -1;
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}
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}
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else
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{
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printf("no seek time is specified.\n");
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nCommandId = -1;
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}
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break;
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case COMMAND_SWITCH_AUDIO:
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if(strParam != NULL)
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{
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*pParam = (int)strtol(strParam, (char**)NULL, 10); //* audio stream index start counting from 0.
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if(errno == EINVAL || errno == ERANGE)
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{
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printf("audio stream index is not valid.\n");
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nCommandId = -1;
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}
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}
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else
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{
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printf("no audio stream index is specified.\n");
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nCommandId = -1;
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}
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break;
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default:
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break;
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}
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return nCommandId;
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}
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//* a callback for awplayer.
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void CallbackForAwPlayer(void* pUserData, int msg, int param0, void* param1)
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{
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DemoPlayerContext* pDemoPlayer = (DemoPlayerContext*)pUserData;
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CEDARX_UNUSE(param1);
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switch(msg)
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{
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case NOTIFY_NOT_SEEKABLE:
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{
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pDemoPlayer->mSeekable = 0;
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printf("info: media source is unseekable.\n");
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break;
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}
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case NOTIFY_ERROR:
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{
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pthread_mutex_lock(&pDemoPlayer->mMutex);
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pDemoPlayer->mStatus = STATUS_STOPPED;
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pDemoPlayer->mPreStatus = STATUS_STOPPED;
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printf("error: open media source fail.\n");
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pthread_mutex_unlock(&pDemoPlayer->mMutex);
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break;
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}
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case NOTIFY_PREPARED:
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{
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pthread_mutex_lock(&pDemoPlayer->mMutex);
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pDemoPlayer->mPreStatus = pDemoPlayer->mStatus;
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pDemoPlayer->mStatus = STATUS_PREPARED;
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printf("info: prepare ok.\n");
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pthread_mutex_unlock(&pDemoPlayer->mMutex);
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break;
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}
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case NOTIFY_BUFFERRING_UPDATE:
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{
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int nBufferedFilePos;
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int nBufferFullness;
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nBufferedFilePos = param0 & 0x0000ffff;
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nBufferFullness = (param0>>16) & 0x0000ffff;
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printf("info: buffer %d percent of the media file, buffer fullness = %d percent.\n",
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nBufferedFilePos, nBufferFullness);
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break;
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}
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case NOTIFY_PLAYBACK_COMPLETE:
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{
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//* stop the player.
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//* TODO
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break;
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}
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case NOTIFY_RENDERING_START:
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{
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printf("info: start to show pictures.\n");
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break;
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}
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case NOTIFY_SEEK_COMPLETE:
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{
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pthread_mutex_lock(&pDemoPlayer->mMutex);
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pDemoPlayer->mStatus = pDemoPlayer->mPreStatus;
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printf("info: seek ok.\n");
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pthread_mutex_unlock(&pDemoPlayer->mMutex);
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break;
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}
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default:
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{
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printf("warning: unknown callback from AwPlayer.\n");
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break;
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}
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}
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return;
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}
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//* the main method.
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int main(int argc, char** argv)
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{
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DemoPlayerContext demoPlayer;
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int nCommandId;
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int nCommandParam;
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int bQuit;
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char strCommandLine[1024];
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CEDARX_UNUSE(argc);
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CEDARX_UNUSE(argv);
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printf("\n");
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printf("******************************************************************************************\n");
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printf("* This program implements a simple player, you can type commands to control the player.\n");
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printf("* To show what commands supported, type 'help'.\n");
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printf("* Inplemented by Allwinner ALD-AL3 department.\n");
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printf("******************************************************************************************\n");
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//* create a player.
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memset(&demoPlayer, 0, sizeof(DemoPlayerContext));
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pthread_mutex_init(&demoPlayer.mMutex, NULL);
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demoPlayer.mAwPlayer = new AwPlayer();
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if(demoPlayer.mAwPlayer == NULL)
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{
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printf("can not create AwPlayer, quit.\n");
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exit(-1);
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}
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//* set callback to player.
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demoPlayer.mAwPlayer->setNotifyCallback(CallbackForAwPlayer, (void*)&demoPlayer);
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//* check if the player work.
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if(demoPlayer.mAwPlayer->initCheck() != 0)
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{
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printf("initCheck of the player fail, quit.\n");
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delete demoPlayer.mAwPlayer;
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demoPlayer.mAwPlayer = NULL;
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exit(-1);
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}
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//* read, parse and process command from user.
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bQuit = 0;
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while(!bQuit)
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{
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//* read command from stdin.
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if(readCommand(strCommandLine, sizeof(strCommandLine)) == 0)
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{
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//* parse command.
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nCommandParam = 0;
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nCommandId = parseCommandLine(strCommandLine, &nCommandParam);
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//* process command.
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switch(nCommandId)
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{
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case COMMAND_HELP:
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{
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showHelp();
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break;
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}
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case COMMAND_QUIT:
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{
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bQuit = 1;
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break;
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}
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case COMMAND_SET_SOURCE : //* set url of media file.
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{
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char* pUrl;
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pUrl = (char*)(uintptr_t)nCommandParam;
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if(demoPlayer.mStatus != STATUS_STOPPED)
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{
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printf("invalid command:\n");
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printf(" play is not in stopped status.\n");
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break;
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}
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demoPlayer.mSeekable = 1; //* if the media source is not seekable, this flag will be
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//* clear at the NOTIFY_NOT_SEEKABLE callback.
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//* set url to the AwPlayer.
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if(demoPlayer.mAwPlayer->setDataSource((const char*)pUrl, NULL) != 0)
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{
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printf("error:\n");
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printf(" AwPlayer::setDataSource() return fail.\n");
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break;
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}
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//* start preparing.
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pthread_mutex_lock(&demoPlayer.mMutex); //* lock to sync with the prepare finish notify.
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if(demoPlayer.mAwPlayer->prepareAsync() != 0)
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{
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printf("error:\n");
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printf(" AwPlayer::prepareAsync() return fail.\n");
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pthread_mutex_unlock(&demoPlayer.mMutex);
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break;
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}
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demoPlayer.mPreStatus = STATUS_STOPPED;
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demoPlayer.mStatus = STATUS_PREPARING;
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printf("preparing...\n");
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pthread_mutex_unlock(&demoPlayer.mMutex);
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break;
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}
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case COMMAND_PLAY: //* start playback.
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{
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if(demoPlayer.mStatus != STATUS_PREPARED &&
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demoPlayer.mStatus != STATUS_SEEKING)
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{
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printf("invalid command:\n");
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printf(" play eris neither in prepared status nor in seeking.\n");
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break;
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}
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//* start the playback
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if(demoPlayer.mStatus != STATUS_SEEKING)
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{
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if(demoPlayer.mAwPlayer->start() != 0)
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{
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printf("error:\n");
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printf(" AwPlayer::start() return fail.\n");
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break;
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}
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demoPlayer.mPreStatus = demoPlayer.mStatus;
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demoPlayer.mStatus = STATUS_PLAYING;
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printf("playing.\n");
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}
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else
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{
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//* the player will keep the started status and start to play after seek finish.
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demoPlayer.mAwPlayer->start();
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demoPlayer.mPreStatus = STATUS_PLAYING; //* current status is seeking, will set
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//* to mPreStatus when seek finish callback.
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}
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break;
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}
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case COMMAND_PAUSE: //* pause the playback.
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{
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if(demoPlayer.mStatus != STATUS_PLAYING &&
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demoPlayer.mStatus != STATUS_SEEKING)
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{
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printf("invalid command:\n");
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printf(" player is neither in playing status nor in seeking status.\n");
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break;
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}
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//* pause the playback
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if(demoPlayer.mStatus != STATUS_SEEKING)
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{
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if(demoPlayer.mAwPlayer->pause() != 0)
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{
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printf("error:\n");
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printf(" AwPlayer::pause() return fail.\n");
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break;
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}
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demoPlayer.mPreStatus = demoPlayer.mStatus;
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demoPlayer.mStatus = STATUS_PAUSED;
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printf("paused.\n");
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}
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else
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{
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//* the player will keep the pauded status and pause the playback after seek finish.
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demoPlayer.mAwPlayer->pause();
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demoPlayer.mPreStatus = STATUS_PAUSED; //* current status is seeking, will set
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//* to mPreStatus when seek finish callback.
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}
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break;
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}
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case COMMAND_STOP: //* stop the playback.
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{
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if(demoPlayer.mAwPlayer->reset() != 0)
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{
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printf("error:\n");
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printf(" AwPlayer::reset() return fail.\n");
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break;
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}
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demoPlayer.mPreStatus = demoPlayer.mStatus;
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demoPlayer.mStatus = STATUS_STOPPED;
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printf("stopped.\n");
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break;
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}
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case COMMAND_SEEKTO: //* seek to posion, in unit of second.
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{
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int nSeekTimeMs;
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int nDuration;
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nSeekTimeMs = nCommandParam*1000;
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if(demoPlayer.mStatus != STATUS_PLAYING &&
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demoPlayer.mStatus != STATUS_SEEKING &&
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demoPlayer.mStatus != STATUS_PAUSED &&
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demoPlayer.mStatus != STATUS_PREPARED)
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{
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printf("invalid command:\n");
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printf(" player is not in playing/seeking/paused/prepared status.\n");
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break;
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}
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if(demoPlayer.mAwPlayer->getDuration(&nDuration) == 0)
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{
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if(nSeekTimeMs > nDuration)
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printf("seek time out of range, media duration = %u seconds.\n", nDuration/1000);
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break;
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}
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if(demoPlayer.mSeekable == 0)
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{
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printf("media source is unseekable.\n");
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break;
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}
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//* the player will keep the pauded status and pause the playback after seek finish.
|
|
pthread_mutex_lock(&demoPlayer.mMutex); //* sync with the seek finish callback.
|
|
demoPlayer.mAwPlayer->seekTo(nSeekTimeMs);
|
|
if(demoPlayer.mStatus != STATUS_SEEKING)
|
|
demoPlayer.mPreStatus = demoPlayer.mStatus;
|
|
demoPlayer.mStatus = STATUS_SEEKING;
|
|
pthread_mutex_unlock(&demoPlayer.mMutex);
|
|
break;
|
|
}
|
|
|
|
case COMMAND_SHOW_MEDIAINFO: //* show media information.
|
|
{
|
|
printf("show media information.\n");
|
|
break;
|
|
}
|
|
|
|
case COMMAND_SHOW_DURATION: //* show media duration, in unit of second.
|
|
{
|
|
int nDuration = 0;
|
|
if(demoPlayer.mAwPlayer->getDuration(&nDuration) == 0)
|
|
printf("media duration = %u seconds.\n", nDuration/1000);
|
|
else
|
|
printf("fail to get media duration.\n");
|
|
break;
|
|
}
|
|
|
|
case COMMAND_SHOW_POSITION: //* show current play position, in unit of second.
|
|
{
|
|
int nPosition = 0;
|
|
if(demoPlayer.mAwPlayer->getCurrentPosition(&nPosition) == 0)
|
|
printf("current position = %u seconds.\n", nPosition/1000);
|
|
else
|
|
printf("fail to get pisition.\n");
|
|
break;
|
|
}
|
|
|
|
case COMMAND_SWITCH_AUDIO: //* switch autio track.
|
|
{
|
|
int nAudioStreamIndex;
|
|
nAudioStreamIndex = nCommandParam;
|
|
printf("switch audio to the %dth track.\n", nAudioStreamIndex);
|
|
//* TODO
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
if(strlen(strCommandLine) > 0)
|
|
printf("invalid command.\n");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
printf("destroy AwPlayer.\n");
|
|
|
|
if(demoPlayer.mAwPlayer != NULL)
|
|
{
|
|
delete demoPlayer.mAwPlayer;
|
|
demoPlayer.mAwPlayer = NULL;
|
|
}
|
|
|
|
printf("destroy AwPlayer 1.\n");
|
|
pthread_mutex_destroy(&demoPlayer.mMutex);
|
|
|
|
printf("\n");
|
|
printf("******************************************************************************************\n");
|
|
printf("* Quit the program, goodbye!\n");
|
|
printf("******************************************************************************************\n");
|
|
printf("\n");
|
|
|
|
return 0;
|
|
}
|