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Diffstat (limited to '')
| -rw-r--r-- | test/test_dvr_play.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/test/test_dvr_play.c b/test/test_dvr_play.c new file mode 100644 index 0000000..af963d9 --- /dev/null +++ b/test/test_dvr_play.c @@ -0,0 +1,144 @@ +/* + * test_dvr_play.c - Play TS file via dvr device. + * + * Copyright (C) 2000 Ralph Metzler <ralph@convergence.de> + * & Marcus Metzler <marcus@convergence.de> + * for convergence integrated media GmbH + * Copyright (C) 2003 Convergence 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 <stdint.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> +#include <sys/poll.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <stdlib.h> + +#include <linux/dvb/dmx.h> + + +#define BUFSIZE (512*188) + +void play_file_dvr(int filefd, int dvrfd) +{ + char buf[BUFSIZE]; + int count, written, bytes, total = 0; + + while ((count = read(filefd, buf, BUFSIZE)) > 0) { + total += count; + fprintf(stderr, "read %d (%d total)\n", count, total); + written = 0; + while (written < count) { + bytes = write(dvrfd, buf + written, count - written); + fprintf(stderr, "write %d\n", bytes); + if (bytes < 0) { + perror("write dvr"); + return; + } + else if (bytes == 0) { + fprintf(stderr, "write dvr: 0 bytes !"); + return; + } + written += bytes; + } + } +} + +void set_pid(int fd, int pid, int type) +{ + struct dmx_pes_filter_params pesFilterParams; + + fprintf(stderr, "set PID 0x%04x (%d)\n", pid, type); + if (ioctl(fd, DMX_STOP) < 0) + perror("DMX STOP:"); + + if (ioctl(fd, DMX_SET_BUFFER_SIZE, 64*1024) < 0) + perror("DMX SET BUFFER:"); + + pesFilterParams.pid = pid; + pesFilterParams.input = DMX_IN_DVR; + pesFilterParams.output = DMX_OUT_DECODER; + pesFilterParams.pes_type = type; + pesFilterParams.flags = DMX_IMMEDIATE_START; + if (ioctl(fd, DMX_SET_PES_FILTER, &pesFilterParams) < 0) + perror("DMX SET FILTER"); +} + +int main(int argc, char **argv) +{ + char *dmxdev = "/dev/dvb/adapter0/demux0"; + char *dvrdev = "/dev/dvb/adapter0/dvr0"; + int vpid, apid; + int filefd, dvrfd, vfd, afd; + + if (argc < 4) { + fprintf(stderr, "usage: test_dvr_play TS-file video-PID audio-PID\n"); + return 1; + } + vpid = strtoul(argv[2], NULL, 0); + apid = strtoul(argv[3], NULL, 0); + + filefd = open(argv[1], O_RDONLY); + if (filefd == -1) { + fprintf(stderr, "Failed to open '%s': %d %m\n", argv[1], errno); + return 1; + } + + fprintf(stderr, "Playing '%s', video PID 0x%04x, audio PID 0x%04x\n", + argv[1], vpid, apid); + + if (getenv("DEMUX")) + dmxdev = getenv("DEMUX"); + if (getenv("DVR")) + dvrdev = getenv("DVR"); + + if ((dvrfd = open(dvrdev, O_WRONLY)) == -1) { + fprintf(stderr, "Failed to open '%s': %d %m\n", dvrdev, errno); + return 1; + } + + if ((vfd = open(dmxdev, O_WRONLY)) == -1) { + fprintf(stderr, "Failed to open video '%s': %d %m\n", dmxdev, errno); + return 1; + } + if ((afd = open(dmxdev, O_WRONLY)) == -1) { + fprintf(stderr, "Failed to open audio '%s': %d %m\n", dmxdev, errno); + return 1; + } + + /* playback timing is controlled via A/V PTS, so we cannot start + * writing to the DVR device before the PIDs are set... + */ + set_pid(afd, apid, DMX_PES_AUDIO); + set_pid(vfd, vpid, DMX_PES_VIDEO); + + play_file_dvr(filefd, dvrfd); + + close(dvrfd); + close(afd); + close(vfd); + close(filefd); + return 0; +} + |