Files
libstb-hal/libeplayer3/output/linuxdvb.c
2013-11-09 21:37:38 +01:00

1209 lines
38 KiB
C

/*
* LinuxDVB Output handling.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* ***************************** */
/* Includes */
/* ***************************** */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <linux/dvb/video.h>
#include <linux/dvb/audio.h>
#include <memory.h>
#include <asm/types.h>
#include <pthread.h>
#include <errno.h>
#include "common.h"
#include "output.h"
#include "stm_ioctls.h"
#include "writer.h"
#include "misc.h"
#include "pes.h"
/* ***************************** */
/* Makros/Constants */
/* ***************************** */
#define LINUXDVB_DEBUG
static short debug_level = 0;
static const char FILENAME[] = "linuxdvb.c";
#ifdef LINUXDVB_DEBUG
#define linuxdvb_printf(level, fmt, x...) do { \
if (debug_level >= level) printf("[%s:%s] " fmt, FILENAME, __FUNCTION__, ## x ); } while (0)
#else
#define linuxdvb_printf(x...)
#endif
#ifndef LINUXDVB_SILENT
#define linuxdvb_err(fmt, x...) do { printf("[%s:%s] " fmt, FILENAME, __FUNCTION__, ## x); } while (0)
#else
#define linuxdvb_err(x...)
#endif
#define cERR_LINUXDVB_NO_ERROR 0
#define cERR_LINUXDVB_ERROR -1
static const char VIDEODEV[] = "/dev/dvb/adapter0/video0";
static const char AUDIODEV[] = "/dev/dvb/adapter0/audio0";
static int videofd = -1;
static int audiofd = -1;
unsigned long long int sCURRENT_PTS = 0;
pthread_mutex_t LinuxDVBmutex;
/* ***************************** */
/* Prototypes */
/* ***************************** */
int LinuxDvbStop(Context_t *context, char * type);
/* ***************************** */
/* MISC Functions */
/* ***************************** */
void getLinuxDVBMutex(const char *filename __attribute__((unused)), const char *function __attribute__((unused)), int line __attribute__((unused))) {
linuxdvb_printf(250, "requesting mutex\n");
pthread_mutex_lock(&LinuxDVBmutex);
linuxdvb_printf(250, "received mutex\n");
}
void releaseLinuxDVBMutex(const char *filename __attribute__((unused)), const char *function __attribute__((unused)), int line __attribute__((unused))) {
pthread_mutex_unlock(&LinuxDVBmutex);
linuxdvb_printf(250, "released mutex\n");
}
int LinuxDvbOpen(Context_t *context __attribute__((unused)), char * type) {
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if (video && videofd == -1) {
videofd = open(VIDEODEV, O_RDWR);
if (videofd <= 0)
{
linuxdvb_err("failed to open %s - errno %d\n", VIDEODEV, errno);
linuxdvb_err("%s\n", strerror(errno));
return cERR_LINUXDVB_ERROR;
}
if (ioctl( videofd, VIDEO_CLEAR_BUFFER, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_CLEAR_BUFFER: %s\n", strerror(errno));
}
if (ioctl( videofd, VIDEO_SELECT_SOURCE, (void*)VIDEO_SOURCE_MEMORY) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SELECT_SOURCE: %s\n", strerror(errno));
}
if (ioctl( videofd, VIDEO_SET_STREAMTYPE, (void*)STREAM_TYPE_PROGRAM) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_STREAMTYPE: %s\n", strerror(errno));
}
if (ioctl(videofd, VIDEO_SET_SPEED, DVB_SPEED_NORMAL_PLAY) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_SPEED: %s\n", strerror(errno));
}
}
if (audio && audiofd == -1) {
audiofd = open(AUDIODEV, O_RDWR);
if (audiofd <= 0)
{
linuxdvb_err("failed to open %s - errno %d\n", AUDIODEV, errno);
linuxdvb_err("%s\n", strerror(errno));
if (videofd != -1)
close(videofd);
return cERR_LINUXDVB_ERROR;
}
if (ioctl( audiofd, AUDIO_CLEAR_BUFFER, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_CLEAR_BUFFER: %s\n", strerror(errno));
}
if (ioctl( audiofd, AUDIO_SELECT_SOURCE, (void*)AUDIO_SOURCE_MEMORY) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SELECT_SOURCE: %s\n", strerror(errno));
}
if (ioctl( audiofd, AUDIO_SET_STREAMTYPE, (void*)STREAM_TYPE_PROGRAM) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_STREAMTYPE: %s\n", strerror(errno));
}
}
return cERR_LINUXDVB_NO_ERROR;
}
int LinuxDvbClose(Context_t *context, char * type) {
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
/* closing stand alone is not allowed, so prevent
* user from closing and dont call stop. stop will
* set default values for us (speed and so on).
*/
LinuxDvbStop(context, type);
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (video && videofd != -1) {
close(videofd);
videofd = -1;
}
if (audio && audiofd != -1) {
close(audiofd);
audiofd = -1;
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
return cERR_LINUXDVB_NO_ERROR;
}
int LinuxDvbPlay(Context_t *context, char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
Writer_t* writer;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if (video && videofd != -1) {
char * Encoding = NULL;
context->manager->video->Command(context, MANAGER_GETENCODING, &Encoding);
linuxdvb_printf(10, "V %s\n", Encoding);
writer = getWriter(Encoding);
if (writer == NULL)
{
linuxdvb_err("cannot found writer for encoding %s using default\n", Encoding);
if (ioctl( videofd, VIDEO_SET_ENCODING, (void*) VIDEO_ENCODING_AUTO) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_ENCODING: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
} else
{
linuxdvb_printf(20, "found writer %s for encoding %s\n", writer->caps->name, Encoding);
if (ioctl( videofd, VIDEO_SET_ENCODING, (void*) writer->caps->dvbEncoding) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_ENCODING: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
if (ioctl(videofd, VIDEO_PLAY, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_PLAY: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
free(Encoding);
}
if (audio && audiofd != -1) {
char * Encoding = NULL;
context->manager->audio->Command(context, MANAGER_GETENCODING, &Encoding);
linuxdvb_printf(20, "0 A %s\n", Encoding);
writer = getWriter(Encoding);
if (writer == NULL)
{
linuxdvb_err("cannot found writer for encoding %s using default\n", Encoding);
if (ioctl( audiofd, AUDIO_SET_ENCODING, (void*)AUDIO_ENCODING_MP3) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_ENCODING: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
} else
{
linuxdvb_printf(20, "found writer %s for encoding %s\n", writer->caps->name, Encoding);
if (ioctl( audiofd, AUDIO_SET_ENCODING, (void*) writer->caps->dvbEncoding) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_ENCODING: %s\n", strerror(errno));
ret = -1;
}
}
if (ioctl(audiofd, AUDIO_PLAY, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_PLAY: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
free(Encoding);
}
return ret;
}
int LinuxDvbStop(Context_t *context __attribute__((unused)), char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (video && videofd != -1) {
if (ioctl(videofd, VIDEO_CLEAR_BUFFER, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_CLEAR_BUFFER: %s\n", strerror(errno));
}
/* set back to normal speed (end trickmodes) */
if (ioctl(videofd, VIDEO_SET_SPEED, DVB_SPEED_NORMAL_PLAY) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_SPEED: %s\n", strerror(errno));
}
if (ioctl(videofd, VIDEO_STOP, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_STOP: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
if (audio && audiofd != -1) {
if (ioctl(audiofd, AUDIO_CLEAR_BUFFER, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_CLEAR_BUFFER: %s\n", strerror(errno));
}
/* set back to normal speed (end trickmodes) */
if (ioctl(audiofd, AUDIO_SET_SPEED, DVB_SPEED_NORMAL_PLAY) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_SPEED: %s\n", strerror(errno));
}
if (ioctl(audiofd, AUDIO_STOP, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_STOP: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
return ret;
}
int LinuxDvbPause(Context_t *context __attribute__((unused)), char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (video && videofd != -1) {
if (ioctl(videofd, VIDEO_FREEZE, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_FREEZE: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
if (audio && audiofd != -1) {
if (ioctl(audiofd, AUDIO_PAUSE, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_PAUSE: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
return ret;
}
int LinuxDvbContinue(Context_t *context __attribute__((unused)), char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if (video && videofd != -1) {
if (ioctl(videofd, VIDEO_CONTINUE, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_CONTINUE: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
if (audio && audiofd != -1) {
if (ioctl(audiofd, AUDIO_CONTINUE, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_CONTINUE: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
linuxdvb_printf(10, "exiting\n");
return ret;
}
int LinuxDvbReverseDiscontinuity(Context_t *context __attribute__((unused)), int* surplus) {
int ret = cERR_LINUXDVB_NO_ERROR;
int dis_type = VIDEO_DISCONTINUITY_CONTINUOUS_REVERSE | *surplus;
linuxdvb_printf(50, "\n");
if (ioctl( videofd, VIDEO_DISCONTINUITY, (void*) dis_type) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_DISCONTINUITY: %s\n", strerror(errno));
}
linuxdvb_printf(50, "exiting\n");
return ret;
}
int LinuxDvbAudioMute(Context_t *context __attribute__((unused)), char *flag) {
int ret = cERR_LINUXDVB_NO_ERROR;
linuxdvb_printf(10, "\n");
if (audiofd != -1) {
if(*flag == '1')
{
//AUDIO_SET_MUTE has no effect with new player
//if (ioctl(audiofd, AUDIO_SET_MUTE, 1) == -1)
if (ioctl(audiofd, AUDIO_STOP, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
//linuxdvb_err("AUDIO_SET_MUTE: %s\n", strerror(errno));
linuxdvb_err("AUDIO_STOP: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
else
{
//AUDIO_SET_MUTE has no effect with new player
//if (ioctl(audiofd, AUDIO_SET_MUTE, 0) == -1)
if (ioctl(audiofd, AUDIO_PLAY, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
//linuxdvb_err("AUDIO_SET_MUTE: %s\n", strerror(errno));
linuxdvb_err("AUDIO_PLAY: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
}
linuxdvb_printf(10, "exiting\n");
return ret;
}
int LinuxDvbFlush(Context_t *context __attribute__((unused)), char * type) {
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if ( (video && videofd != -1) || (audio && audiofd != -1) ) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (video && videofd != -1) {
if (ioctl(videofd, VIDEO_FLUSH ,NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_FLUSH: %s\n", strerror(errno));
}
if (ioctl(videofd, VIDEO_STOP, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_STOP: %s\n", strerror(errno));
}
}
if (audio && audiofd != -1) {
if (ioctl(audiofd, AUDIO_FLUSH ,NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_FLUSH: %s\n", strerror(errno));
}
if (ioctl(audiofd, AUDIO_STOP, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_STOP: %s\n", strerror(errno));
}
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
linuxdvb_printf(10, "exiting\n");
return cERR_LINUXDVB_NO_ERROR;
}
#ifndef use_set_speed_instead_ff
int LinuxDvbFastForward(Context_t *context, char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d speed %d\n", video, audio, context->playback->Speed);
if (video && videofd != -1) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
/* konfetti comment: speed is a value given in skipped frames */
if (ioctl(videofd, VIDEO_FAST_FORWARD, context->playback->Speed) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_FAST_FORWARD: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
linuxdvb_printf(10, "exiting with value %d\n", ret);
return ret;
}
#else
static unsigned int SpeedList[] =
{
1000, 1100, 1200, 1300, 1500,
2000, 3000, 4000, 5000, 8000,
12000, 16000,
125, 250, 500, 700, 800, 900
};
int LinuxDvbFastForward(Context_t *context, char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
int speedIndex;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if (video && videofd != -1) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
speedIndex = context->playback->Speed % (sizeof (SpeedList) / sizeof (int));
linuxdvb_printf(1, "speedIndex %d\n", speedIndex);
if (ioctl(videofd, VIDEO_SET_SPEED, SpeedList[speedIndex]) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_SPEED: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
if (audio && audiofd != -1) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
speedIndex = context->playback->Speed % (sizeof (SpeedList) / sizeof (int));
linuxdvb_printf(1, "speedIndex %d\n", speedIndex);
if (ioctl(audiofd, AUDIO_SET_SPEED, SpeedList[speedIndex]) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_SPEED: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
linuxdvb_printf(10, "exiting with value %d\n", ret);
return ret;
}
#endif
int LinuxDvbReverse(Context_t *context __attribute__((unused)), char * type __attribute__((unused))) {
int ret = cERR_LINUXDVB_NO_ERROR;
#ifdef reverse_playback_2
int speed;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if (context->playback->Speed >= 0)
{
linuxdvb_err("error speed is greater 0, but should be a neg value in skipped frames (or zero)\n");
return cERR_LINUXDVB_ERROR;
}
/* speed == 0 indicates end of trick mode, otherwise negative value of skipped frames
* multiplicated with DVB_SPEED_NORMAL_PLAY (currently 1000)
*/
speed = (context->playback->Speed == 0) ? DVB_SPEED_REVERSE_STOPPED :
context->playback->Speed * DVB_SPEED_NORMAL_PLAY;
linuxdvb_printf(10, "speed %d - %d\n", speed, context->playback->Speed);
if (video && videofd != -1) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (ioctl(videofd, VIDEO_SET_SPEED, speed) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_SPEED: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
if (audio && audiofd != -1) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (ioctl(audiofd, AUDIO_SET_SPEED, speed) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_SPEED: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
linuxdvb_printf(10, "exiting with value %d\n", ret);
#endif
return ret;
}
int LinuxDvbSlowMotion(Context_t *context, char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if ( (video && videofd != -1) || (audio && audiofd != -1) ) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (video && videofd != -1) {
if (ioctl(videofd, VIDEO_SLOWMOTION, context->playback->SlowMotion) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SLOWMOTION: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
linuxdvb_printf(10, "exiting with value %d\n", ret);
return ret;
}
int LinuxDvbAVSync(Context_t *context, char * type __attribute__((unused))) {
int ret = cERR_LINUXDVB_NO_ERROR;
/* konfetti: this one is dedicated to audiofd so we
* are ignoring what is given by type! I think we should
* remove this param. Therefor we should add a variable
* setOn or something like that instead, this would remove
* using a variable inside the structure.
*/
if (audiofd != -1) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (ioctl(audiofd, AUDIO_SET_AV_SYNC, context->playback->AVSync) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_AV_SYNC: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
return ret;
}
int LinuxDvbClear(Context_t *context __attribute__((unused)), char * type) {
int ret = cERR_LINUXDVB_NO_ERROR;
unsigned char video = !strcmp("video", type);
unsigned char audio = !strcmp("audio", type);
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if ( (video && videofd != -1) || (audio && audiofd != -1) ) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (video && videofd != -1) {
if (ioctl(videofd, VIDEO_CLEAR_BUFFER, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_CLEAR_BUFFER: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
if (audio && audiofd != -1) {
if (ioctl(audiofd, AUDIO_CLEAR_BUFFER, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_CLEAR_BUFFER: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
linuxdvb_printf(10, "exiting\n");
return ret;
}
int LinuxDvbPts(Context_t *context __attribute__((unused)), unsigned long long int* pts) {
int ret = cERR_LINUXDVB_NO_ERROR;
linuxdvb_printf(50, "\n");
// pts is a non writting requests and can be done in parallel to other requests
//getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (videofd != -1)
{
if (ioctl(videofd, VIDEO_GET_PTS, (void*)&sCURRENT_PTS) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_GET_PTS: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
else if (audiofd != -1)
{
if (ioctl(audiofd, AUDIO_GET_PTS, (void*)&sCURRENT_PTS) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_GET_PTS: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
else {
sCURRENT_PTS = 0;
ret = cERR_LINUXDVB_ERROR;
}
*((unsigned long long int *)pts)=(unsigned long long int)sCURRENT_PTS;
//releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
return ret;
}
int LinuxDvbGetFrameCount(Context_t *context __attribute__((unused)), unsigned long long int* frameCount) {
int ret = cERR_LINUXDVB_NO_ERROR;
dvb_play_info_t playInfo;
linuxdvb_printf(50, "\n");
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (videofd != -1)
{
if (ioctl(videofd, VIDEO_GET_PLAY_INFO, (void*)&playInfo) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_GET_PLAY_INFO: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
else linuxdvb_err("V: %llu\n", playInfo.frame_count);
}
else if (audiofd != -1)
{
if (ioctl(audiofd, AUDIO_GET_PLAY_INFO, (void*)&playInfo) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_GET_PLAY_INFO: %s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
else linuxdvb_err("A: %llu\n", playInfo.frame_count);
}
else {
ret = cERR_LINUXDVB_ERROR;
}
if(ret == cERR_LINUXDVB_NO_ERROR)
*((unsigned long long int *)frameCount) = playInfo.frame_count;
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
return ret;
}
int LinuxDvbSwitch(Context_t *context, char * type) {
unsigned char audio = !strcmp("audio", type);
unsigned char video = !strcmp("video", type);
Writer_t* writer;
linuxdvb_printf(10, "v%d a%d\n", video, audio);
if ( (video && videofd != -1) || (audio && audiofd != -1) ) {
getLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
if (audio && audiofd != -1) {
char * Encoding = NULL;
if (context && context->manager && context->manager->audio) {
context->manager->audio->Command(context, MANAGER_GETENCODING, &Encoding);
linuxdvb_printf(10, "A %s\n", Encoding);
writer = getWriter(Encoding);
if (ioctl(audiofd, AUDIO_STOP ,NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_STOP: %s\n", strerror(errno));
}
if (ioctl(audiofd, AUDIO_CLEAR_BUFFER ,NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_CLEAR_BUFFER: %s\n", strerror(errno));
}
if (writer == NULL)
{
linuxdvb_err("cannot found writer for encoding %s using default\n", Encoding);
if (ioctl( audiofd, AUDIO_SET_ENCODING, (void*) AUDIO_ENCODING_MP3) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_ENCODING: %s\n", strerror(errno));
}
} else
{
linuxdvb_printf(10, "found writer %s for encoding %s\n", writer->caps->name, Encoding);
if (ioctl( audiofd, AUDIO_SET_ENCODING, (void*) writer->caps->dvbEncoding) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_SET_ENCODING: %s\n", strerror(errno));
}
}
if (ioctl(audiofd, AUDIO_PLAY, NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("AUDIO_PLAY: %s\n", strerror(errno));
}
free(Encoding);
}
else
linuxdvb_printf(20, "no context for Audio\n");
}
if (video && videofd != -1) {
char * Encoding = NULL;
if (context && context->manager && context->manager->video) {
context->manager->video->Command(context, MANAGER_GETENCODING, &Encoding);
if (ioctl(videofd, VIDEO_STOP ,NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_STOP: %s\n", strerror(errno));
}
if (ioctl(videofd, VIDEO_CLEAR_BUFFER ,NULL) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_CLEAR_BUFFER: %s\n", strerror(errno));
}
linuxdvb_printf(10, "V %s\n", Encoding);
writer = getWriter(Encoding);
if (writer == NULL)
{
linuxdvb_err("cannot found writer for encoding %s using default\n", Encoding);
if (ioctl( videofd, VIDEO_SET_ENCODING, (void*) VIDEO_ENCODING_AUTO) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_ENCODING: %s\n", strerror(errno));
}
} else
{
linuxdvb_printf(10, "found writer %s for encoding %s\n", writer->caps->name, Encoding);
if (ioctl( videofd, VIDEO_SET_ENCODING, (void*) writer->caps->dvbEncoding) == -1)
{
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_SET_ENCODING: %s\n", strerror(errno));
}
}
if (ioctl(videofd, VIDEO_PLAY, NULL) == -1)
{
/* konfetti: fixme: think on this, I think we should
* return an error here and stop the playback mode
*/
linuxdvb_err("ioctl failed with errno %d\n", errno);
linuxdvb_err("VIDEO_PLAY: %s\n", strerror(errno));
}
free(Encoding);
}
else
linuxdvb_printf(20, "no context for Video\n");
}
releaseLinuxDVBMutex(FILENAME, __FUNCTION__,__LINE__);
}
linuxdvb_printf(10, "exiting\n");
return cERR_LINUXDVB_NO_ERROR;
}
static int Write(void *_context, void* _out)
{
Context_t *context = (Context_t *) _context;
AudioVideoOut_t *out = (AudioVideoOut_t*) _out;
int ret = cERR_LINUXDVB_NO_ERROR;
int res = 0;
unsigned char video = 0;
unsigned char audio = 0;
Writer_t* writer;
WriterAVCallData_t call;
if (out == NULL)
{
linuxdvb_err("null pointer passed\n");
return cERR_LINUXDVB_ERROR;
}
video = !strcmp("video", out->type);
audio = !strcmp("audio", out->type);
linuxdvb_printf(20, "DataLength=%u PrivateLength=%u Pts=%llu FrameRate=%f\n",
out->len, out->extralen, out->pts, out->frameRate);
linuxdvb_printf(20, "v%d a%d\n", video, audio);
if (video) {
char * Encoding = NULL;
context->manager->video->Command(context, MANAGER_GETENCODING, &Encoding);
linuxdvb_printf(20, "Encoding = %s\n", Encoding);
writer = getWriter(Encoding);
if (writer == NULL)
{
linuxdvb_printf(20, "searching default writer ... %s\n", Encoding);
writer = getDefaultVideoWriter();
}
if (writer == NULL)
{
linuxdvb_err("unknown video codec and no default writer %s\n",Encoding);
ret = cERR_LINUXDVB_ERROR;
} else
{
call.fd = videofd;
call.data = out->data;
call.len = out->len;
call.Pts = out->pts;
call.private_data = out->extradata;
call.private_size = out->extralen;
call.FrameRate = out->frameRate;
call.FrameScale = out->timeScale;
call.Width = out->width;
call.Height = out->height;
call.Version = 0; // is unsingned char
if (writer->writeData)
res = writer->writeData(&call);
if (res <= 0)
{
linuxdvb_err("failed to write data %d - %d\n", res, errno);
linuxdvb_err("%s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
free(Encoding);
} else if (audio) {
char * Encoding = NULL;
context->manager->audio->Command(context, MANAGER_GETENCODING, &Encoding);
linuxdvb_printf(20, "%s::%s Encoding = %s\n", FILENAME, __FUNCTION__, Encoding);
writer = getWriter(Encoding);
if (writer == NULL)
{
linuxdvb_printf(20, "searching default writer ... %s\n", Encoding);
writer = getDefaultAudioWriter();
}
if (writer == NULL)
{
linuxdvb_err("unknown audio codec %s and no default writer\n",Encoding);
ret = cERR_LINUXDVB_ERROR;
} else
{
call.fd = audiofd;
call.data = out->data;
call.len = out->len;
call.Pts = out->pts;
call.private_data = out->extradata;
call.private_size = out->extralen;
call.FrameRate = out->frameRate;
call.FrameScale = out->timeScale;
call.Version = 0; /* -1; unsigned char cannot be negative */
if (writer->writeData)
res = writer->writeData(&call);
if (res <= 0)
{
linuxdvb_err("failed to write data %d - %d\n", res, errno);
linuxdvb_err("%s\n", strerror(errno));
ret = cERR_LINUXDVB_ERROR;
}
}
free(Encoding);
}
return ret;
}
static int reset(Context_t *context)
{
int ret = cERR_LINUXDVB_NO_ERROR;
Writer_t* writer;
char * Encoding = NULL;
context->manager->video->Command(context, MANAGER_GETENCODING, &Encoding);
writer = getWriter(Encoding);
if (writer == NULL)
{
linuxdvb_err("unknown video codec %s\n",Encoding);
ret = cERR_LINUXDVB_ERROR;
} else
{
writer->reset();
}
free(Encoding);
context->manager->audio->Command(context, MANAGER_GETENCODING, &Encoding);
writer = getWriter(Encoding);
if (writer == NULL)
{
linuxdvb_err("unknown video codec %s\n",Encoding);
ret = cERR_LINUXDVB_ERROR;
} else
{
writer->reset();
}
free(Encoding);
return ret;
}
static int Command(void *_context, OutputCmd_t command, void * argument) {
Context_t* context = (Context_t*) _context;
int ret = cERR_LINUXDVB_NO_ERROR;
linuxdvb_printf(50, "Command %d\n", command);
switch(command) {
case OUTPUT_OPEN: {
ret = LinuxDvbOpen(context, (char*)argument);
break;
}
case OUTPUT_CLOSE: {
ret = LinuxDvbClose(context, (char*)argument);
reset(context);
sCURRENT_PTS = 0;
break;
}
case OUTPUT_PLAY: { // 4
sCURRENT_PTS = 0;
ret = LinuxDvbPlay(context, (char*)argument);
break;
}
case OUTPUT_STOP: {
reset(context);
ret = LinuxDvbStop(context, (char*)argument);
sCURRENT_PTS = 0;
break;
}
case OUTPUT_FLUSH: {
ret = LinuxDvbFlush(context, (char*)argument);
reset(context);
sCURRENT_PTS = 0;
break;
}
case OUTPUT_PAUSE: {
ret = LinuxDvbPause(context, (char*)argument);
break;
}
case OUTPUT_CONTINUE: {
ret = LinuxDvbContinue(context, (char*)argument);
break;
}
case OUTPUT_FASTFORWARD: {
return LinuxDvbFastForward(context, (char*)argument);
break;
}
case OUTPUT_REVERSE: {
return LinuxDvbReverse(context, (char*)argument);
break;
}
case OUTPUT_AVSYNC: {
ret = LinuxDvbAVSync(context, (char*)argument);
break;
}
case OUTPUT_CLEAR: {
ret = LinuxDvbClear(context, (char*)argument);
break;
}
case OUTPUT_PTS: {
unsigned long long int pts = 0;
ret = LinuxDvbPts(context, &pts);
*((unsigned long long int*)argument) = (unsigned long long int)pts;
break;
}
case OUTPUT_SWITCH: {
ret = LinuxDvbSwitch(context, (char*)argument);
break;
}
case OUTPUT_SLOWMOTION: {
return LinuxDvbSlowMotion(context, (char*)argument);
break;
}
case OUTPUT_AUDIOMUTE: {
return LinuxDvbAudioMute(context, (char*)argument);
break;
}
case OUTPUT_DISCONTINUITY_REVERSE: {
return LinuxDvbReverseDiscontinuity(context, (int*)argument);
break;
}
case OUTPUT_GET_FRAME_COUNT: {
unsigned long long int frameCount = 0;
ret = LinuxDvbGetFrameCount(context, &frameCount);
*((unsigned long long int*)argument) = (unsigned long long int)frameCount;
break;
}
default:
linuxdvb_err("ContainerCmd %d not supported!\n", command);
ret = cERR_LINUXDVB_ERROR;
break;
}
linuxdvb_printf(50, "exiting with value %d\n", ret);
return ret;
}
static char *LinuxDvbCapabilities[] = { "audio", "video", NULL };
struct Output_s LinuxDvbOutput = {
"LinuxDvb",
&Command,
&Write,
LinuxDvbCapabilities
};