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Diffstat (limited to '')
| -rw-r--r-- | test/test_av_play.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/test/test_av_play.c b/test/test_av_play.c new file mode 100644 index 0000000..293d6d8 --- /dev/null +++ b/test/test_av_play.c @@ -0,0 +1,310 @@ +/* + * test_av_play.c - Test playing an MPEG A+V PES (e.g. VDR recordings) from a file. + * + * Copyright (C) 2000 Ralph Metzler <ralph@convergence.de> + * & Marcus Metzler <marcus@convergence.de> + * for convergence integrated media GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 + * 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 Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include <sys/ioctl.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> + +#include <linux/dvb/dmx.h> +#include <linux/dvb/video.h> +#include <linux/dvb/audio.h> +#include <sys/poll.h> + +static int audioPlay(int fd) +{ + int ans; + + if ( (ans = ioctl(fd,AUDIO_PLAY) < 0)){ + perror("AUDIO PLAY: "); + return -1; + } + + return 0; +} + + +static int audioSelectSource(int fd, audio_stream_source_t source) +{ + int ans; + + if ( (ans = ioctl(fd,AUDIO_SELECT_SOURCE, source) < 0)){ + perror("AUDIO SELECT SOURCE: "); + return -1; + } + + return 0; +} + + + +static int audioSetMute(int fd, int state) +{ + int ans; + + if ( (ans = ioctl(fd,AUDIO_SET_MUTE, state) < 0)){ + perror("AUDIO SET MUTE: "); + return -1; + } + + return 0; +} + +static int audioSetAVSync(int fd, int state) +{ + int ans; + + if ( (ans = ioctl(fd,AUDIO_SET_AV_SYNC, state) < 0)){ + perror("AUDIO SET AV SYNC: "); + return -1; + } + + return 0; +} + +static int videoStop(int fd) +{ + int ans; + + if ( (ans = ioctl(fd,VIDEO_STOP,0) < 0)){ + perror("VIDEO STOP: "); + return -1; + } + + return 0; +} + +static int videoPlay(int fd) +{ + int ans; + + if ( (ans = ioctl(fd,VIDEO_PLAY) < 0)){ + perror("VIDEO PLAY: "); + return -1; + } + + return 0; +} + + +static int videoFreeze(int fd) +{ + int ans; + + if ( (ans = ioctl(fd,VIDEO_FREEZE) < 0)){ + perror("VIDEO FREEZE: "); + return -1; + } + + return 0; +} + + +static int videoContinue(int fd) +{ + int ans; + + if ( (ans = ioctl(fd,VIDEO_CONTINUE) < 0)){ + perror("VIDEO CONTINUE: "); + return -1; + } + + return 0; +} + +static int videoSelectSource(int fd, video_stream_source_t source) +{ + int ans; + + if ( (ans = ioctl(fd,VIDEO_SELECT_SOURCE, source) < 0)){ + perror("VIDEO SELECT SOURCE: "); + return -1; + } + + return 0; +} + + +static int videoFastForward(int fd,int nframes) +{ + int ans; + + if ( (ans = ioctl(fd,VIDEO_FAST_FORWARD, nframes) < 0)){ + perror("VIDEO FAST FORWARD: "); + return -1; + } + + return 0; +} + +static int videoSlowMotion(int fd,int nframes) +{ + int ans; + + if ( (ans = ioctl(fd,VIDEO_SLOWMOTION, nframes) < 0)){ + perror("VIDEO SLOWMOTION: "); + return -1; + } + + return 0; +} + +#define BUFFY 32768 +#define NFD 2 +static void play_file_av(int filefd, int vfd, int afd) +{ + char buf[BUFFY]; + int count; + int written; + struct pollfd pfd[NFD]; + int stopped = 0; + + pfd[0].fd = STDIN_FILENO; + pfd[0].events = POLLIN; + + pfd[1].fd = vfd; + pfd[1].events = POLLOUT; + + pfd[2].fd = afd; + pfd[2].events = POLLOUT; + + videoSelectSource(vfd,VIDEO_SOURCE_MEMORY); + audioSelectSource(afd,AUDIO_SOURCE_MEMORY); + + // FIXME: only seems to work if starting audio first! + audioPlay(afd); + videoPlay(vfd); + + count = read(filefd,buf,BUFFY); + write(vfd,buf,count); + + while ( (count = read(filefd,buf,BUFFY)) >= 0 ){ + written = 0; + while(written < count){ + if (poll(pfd,NFD,1)){ + if (pfd[1].revents & POLLOUT){ + written += write(vfd,buf+written, + count-written); + } + if (pfd[0].revents & POLLIN){ + int c = getchar(); + switch(c){ + case 'z': + videoFreeze(vfd); + printf("playback frozen\n"); + stopped = 1; + break; + + case 's': + videoStop(vfd); + printf("playback stopped\n"); + stopped = 1; + break; + + case 'c': + videoContinue(vfd); + printf("playback continued\n"); + stopped = 0; + break; + + case 'p': + videoPlay(vfd); + audioPlay(afd); + audioSetAVSync(afd, 1); + audioSetMute(afd, 0); + printf("playback started\n"); + stopped = 0; + break; + + case 'f': + audioSetAVSync(afd, 0); + audioSetMute(afd, 1); + videoFastForward(vfd,0); + printf("fastforward\n"); + stopped = 0; + break; + + case 'm': + audioSetAVSync(afd, 0); + audioSetMute(afd, 1); + videoSlowMotion(vfd,2); + printf("slowmotion\n"); + stopped = 0; + break; + + case 'q': + videoContinue(vfd); + exit(0); + break; + } + } + } + } + } +} + +int main(int argc, char **argv) +{ + int vfd, afd; + int filefd; + char *videodev = "/dev/dvb/adapter0/video0"; + char *audiodev = "/dev/dvb/adapter0/audio0"; + + if (argc < 2) { + fprintf(stderr, "usage: test_av_play mpeg_A+V_PES_file\n"); + return 1; + } + + if (getenv("VIDEO")) + videodev = getenv("VIDEO"); + if (getenv("AUDIO")) + videodev = getenv("AUDIO"); + + printf("using video device '%s'\n", videodev); + printf("using audio device '%s'\n", audiodev); + + if ( (filefd = open(argv[1],O_RDONLY)) < 0){ + perror("File open:"); + return -1; + } + if((vfd = open(videodev,O_RDWR|O_NONBLOCK)) < 0){ + perror("VIDEO DEVICE: "); + return -1; + } + if((afd = open(audiodev,O_RDWR|O_NONBLOCK)) < 0){ + perror("AUDIO DEVICE: "); + return -1; + } + play_file_av(filefd, vfd, afd); + close(vfd); + close(afd); + close(filefd); + return 0; + + +} + |