Files
libstb-hal/libeplayer3/playback/playback.cpp
2014-04-07 21:25:30 +02:00

483 lines
9.0 KiB
C++

/*
* GPL
* duckbox 2010
*/
/* ***************************** */
/* Includes */
/* ***************************** */
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <poll.h>
#include "player.h"
#include "misc.h"
#define cMaxSpeed_ff 128 /* fixme: revise */
#define cMaxSpeed_fr -320 /* fixme: revise */
static pthread_t supervisorThread;
Player::Player()
{
input.player = this;
output.player = this;
manager.player = this;
hasThreadStarted = 0;
}
void *Player::SupervisorThread(void *arg)
{
Player *player = (Player *) arg;
player->hasThreadStarted = 1;
player->input.Play();
player->hasThreadStarted = 2;
player->Terminate();
fprintf(stderr, "terminating\n");
player->hasThreadStarted = 0;
pthread_exit(NULL);
}
bool Player::Open(const char *Url)
{
if (isPlaying)
Stop(); // shouldn't happen. Most definitely a bug
fprintf(stderr, "URL=%s\n", Url);
if (isPlaying) { // shouldn't happen
fprintf(stderr, "playback already running\n");
return false;
}
isHttp = 0;
if (!strncmp("file://", Url, 7) || !strncmp("myts://", Url, 7)) {
if (!strncmp("myts://", Url, 7)) {
url = "file";
url += (Url + 4);
noprobe = 1;
} else {
noprobe = 0;
url = Url;
}
} else if (strstr(Url, "://")) {
isHttp = 1;
if (!strncmp("mms://", Url, 6)) {
url = "mmst";
url += (Url + 3);
} else
url = Url;
} else {
fprintf(stderr, "Unknown stream (%s)\n", Url);
return false;
}
manager.clearTracks();
if (!input.Init(url.c_str()))
return false;
fprintf(stderr, "exiting with value 0\n");
return true;
}
bool Player::Close()
{
bool ret = true;
isPaused = 0;
isPlaying = 0;
isForwarding = 0;
isBackWard = 0;
isSlowMotion = 0;
Speed = 0;
url.clear();
return ret;
}
bool Player::Play()
{
pthread_attr_t attr;
bool ret = true;
if (!isPlaying) {
AVSync = 1;
output.AVSync(true);
isCreationPhase = 1; // allows the created thread to go into wait mode
ret = output.Play();
if (!ret) {
isCreationPhase = 0; // allow thread to go into next state
} else {
isPlaying = 1;
isPaused = 0;
isForwarding = 0;
if (isBackWard) {
isBackWard = 0;
output.Mute(false);
}
isSlowMotion = 0;
Speed = 1;
if (hasThreadStarted == 0) {
int error;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
if ((error = pthread_create(&supervisorThread, &attr, SupervisorThread, this))) {
fprintf(stderr, "Error creating thread, error:%d:%s\n", error, strerror(error));
ret = false;
} else {
fprintf(stderr, "Created thread\n");
}
}
fprintf(stderr, "clearing isCreationPhase!\n");
isCreationPhase = 0; // allow thread to go into next state
}
} else {
fprintf(stderr,"playback already running\n");
ret = false;
}
fprintf(stderr, "exiting with value %d\n", ret);
return ret;
}
bool Player::Pause()
{
bool ret = true;
if (isPlaying && !isPaused) {
if (isSlowMotion)
output.Clear();
output.Pause();
isPaused = 1;
//isPlaying = 1;
isForwarding = 0;
if (isBackWard) {
isBackWard = 0;
output.Mute(false);
}
isSlowMotion = 0;
Speed = 1;
} else {
fprintf(stderr,"playback not playing or already in pause mode\n");
ret = false;
}
fprintf(stderr, "exiting with value %d\n", ret);
return ret;
}
bool Player::Continue()
{
int ret = true;
if (isPlaying && (isPaused || isForwarding
|| isBackWard || isSlowMotion)) {
if (isSlowMotion)
output.Clear();
output.Continue();
isPaused = 0;
//isPlaying = 1;
isForwarding = 0;
if (isBackWard) {
isBackWard = 0;
output.Mute(false);
}
isSlowMotion = 0;
Speed = 1;
} else {
fprintf(stderr,"continue not possible\n");
ret = false;
}
return ret;
}
bool Player::Stop()
{
bool ret = true;
int wait_time = 20;
if (isPlaying) {
isPaused = 0;
isPlaying = 0;
isForwarding = 0;
if (isBackWard) {
isBackWard = 0;
output.Mute(false);
}
isSlowMotion = 0;
Speed = 0;
output.Stop();
input.Stop();
} else {
fprintf(stderr,"stop not possible\n");
ret = false;
}
while ((hasThreadStarted == 1) && (--wait_time) > 0) {
fprintf(stderr, "Waiting for supervisor thread to terminate itself, will try another %d times\n", wait_time);
usleep(100000);
}
if (wait_time == 0) {
fprintf(stderr,"Timeout waiting for thread!\n");
ret = false;
}
fprintf(stderr, "exiting with value %d\n", ret);
return ret;
}
// FIXME
bool Player::Terminate()
{
bool ret = true;
int wait_time = 20;
fprintf(stderr, "\n");
if (isPlaying) {
if (!abortRequested && !output.Flush()) {
fprintf(stderr,"failed to flush output.\n");
}
ret = input.Stop();
isPaused = 0;
isPlaying = 0;
isForwarding = 0;
isBackWard = 0;
isSlowMotion = 0;
Speed = 0;
} else {
/* fixme: konfetti: we should return an error here but this seems to be a condition which
* can happen and is not a real error, which leads to a dead neutrino. should investigate
* here later.
*/
}
while ((hasThreadStarted == 1) && (--wait_time) > 0) {
fprintf(stderr, "Waiting for supervisor thread to terminate itself, will try another %d times\n", wait_time);
usleep(100000);
}
if (wait_time == 0) {
fprintf(stderr,"Timeout waiting for thread!\n");
ret = false;
}
fprintf(stderr, "exiting with value %d\n", ret);
return ret;
}
bool Player::FastForward(int speed)
{
int ret = true;
/* Audio only forwarding not supported */
if (isVideo && !isHttp && !isBackWard
&& (!isPaused || isPlaying)) {
if ((speed <= 0) || (speed > cMaxSpeed_ff)) {
fprintf(stderr, "speed %d out of range (1 - %d) \n", speed, cMaxSpeed_ff);
return false;
}
isForwarding = 1;
Speed = speed;
output.FastForward(speed);
} else {
fprintf(stderr,"fast forward not possible\n");
ret = false;
}
return ret;
}
bool Player::FastBackward(int speed)
{
bool ret = true;
/* Audio only reverse play not supported */
if (isVideo && !isForwarding
&& (!isPaused || isPlaying)) {
if ((speed > 0) || (speed < cMaxSpeed_fr)) {
fprintf(stderr, "speed %d out of range (0 - %d) \n", speed, cMaxSpeed_fr);
return false;
}
if (speed == 0) {
isBackWard = false;
Speed = false; /* reverse end */
} else {
Speed = speed;
isBackWard = true;
}
output.Clear();
#if 0
if (output->Command(player, OUTPUT_REVERSE, NULL) < 0) {
fprintf(stderr,"OUTPUT_REVERSE failed\n");
isBackWard = 0;
Speed = 1;
ret = false;
}
#endif
} else {
fprintf(stderr,"fast backward not possible\n");
ret = false;
}
if (isBackWard)
output.Mute(true);
return ret;
}
bool Player::SlowMotion(int repeats)
{
if (isVideo && !isHttp && isPlaying) {
if (isPaused)
Continue();
switch (repeats) {
case 2:
case 4:
case 8:
isSlowMotion = true;
break;
default:
repeats = 0;
}
output.SlowMotion(repeats);
return true;
}
fprintf(stderr, "slowmotion not possible\n");
return false;
}
bool Player::Seek(float pos, bool absolute)
{
output.Clear();
return input.Seek(pos, absolute);
}
bool Player::GetPts(int64_t &pts)
{
if (isPlaying)
return output.GetPts(pts);
return false;
}
bool Player::GetFrameCount(int64_t &frameCount)
{
if (isPlaying)
return output.GetFrameCount(frameCount);
return false;
}
bool Player::GetDuration(double &duration)
{
duration = -1;
if (isPlaying)
return input.GetDuration(duration);
return false;
}
bool Player::SwitchVideo(int pid)
{
Track *track = manager.getVideoTrack(pid);
if (track)
input.SwitchVideo(track);
return !!track;
}
bool Player::SwitchAudio(int pid)
{
Track *track = manager.getAudioTrack(pid);
if (track)
input.SwitchAudio(track);
return !!track;
}
bool Player::SwitchSubtitle(int pid)
{
Track *track = manager.getSubtitleTrack(pid);
if (track)
input.SwitchSubtitle(track);
return !!track;
}
bool Player::SwitchTeletext(int pid)
{
Track *track = manager.getTeletextTrack(pid);
if (track)
input.SwitchTeletext(track);
return !!track;
}
bool Player::GetMetadata(std::vector<std::string> &keys, std::vector<std::string> &values)
{
return input.GetMetadata(keys, values);
}
bool Player::GetChapters(std::vector<int> &positions, std::vector<std::string> &titles)
{
positions.clear();
titles.clear();
input.UpdateTracks();
OpenThreads::ScopedLock<OpenThreads::Mutex> m_lock(chapterMutex);
for (std::vector<Chapter>::iterator it = chapters.begin(); it != chapters.end(); ++it) {
positions.push_back(1000 * it->start);
titles.push_back(it->title);
}
return true;
}
void Player::SetChapters(std::vector<Chapter> &Chapters)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> m_lock(chapterMutex);
chapters = Chapters;
}