Files
libstb-hal/libspark/playback_libeplayer3.cpp
2014-04-07 21:25:30 +02:00

524 lines
11 KiB
C++

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <audio_lib.h>
#include <video_lib.h>
#include "player.h"
#include "playback_libeplayer3.h"
static Player *player = NULL;
extern cAudio *audioDecoder;
extern cVideo *videoDecoder;
static bool decoders_closed = false;
static const char * FILENAME = "playback_libeplayer3.cpp";
static playmode_t pm;
static std::string fn_ts;
static std::string fn_xml;
static off_t last_size;
static int init_jump;
//Used by Fileplay
bool cPlayback::Open(playmode_t PlayMode)
{
const char *aPLAYMODE[] = {
"PLAYMODE_TS",
"PLAYMODE_FILE"
};
if (PlayMode != PLAYMODE_TS)
{
audioDecoder->closeDevice();
videoDecoder->closeDevice();
decoders_closed = true;
}
printf("%s:%s - PlayMode=%s\n", FILENAME, __FUNCTION__, aPLAYMODE[PlayMode]);
pm = PlayMode;
fn_ts = "";
fn_xml = "";
last_size = 0;
nPlaybackSpeed = 0;
init_jump = -1;
player = new Player();
return 0;
}
//Used by Fileplay
void cPlayback::Close(void)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
//Dagobert: movieplayer does not call stop, it calls close ;)
Stop();
if (decoders_closed)
{
audioDecoder->openDevice();
videoDecoder->openDevice();
decoders_closed = false;
}
}
//Used by Fileplay
bool cPlayback::Start(char *filename, int vpid, int vtype, int apid, int ac3, unsigned int, bool no_probe)
{
bool ret = false;
bool isHTTP = false;
printf("%s:%s - filename=%s vpid=%u vtype=%d apid=%u ac3=%d, no_probe=%d\n",
FILENAME, __FUNCTION__, filename, vpid, vtype, apid, ac3, no_probe);
init_jump = -1;
//create playback path
mAudioStream=0;
mSubtitleStream=-1;
mTeletextStream=-1;
char file[strlen(filename) + 1];
*file = 0;
if (!strncmp("file://", filename, 7))
filename += 7;
if(strstr(filename, "://"))
isHTTP = true;
else if (no_probe)
strcat(file, "myts://");
else
strcat(file, "file://");
strcat(file, filename);
//try to open file
if(player && player->Open(file)) {
if (pm != PLAYMODE_TS) {
player->output.Open();
SetAPid(apid, 0);
ret = player->Play();
}
}
/* konfetti: in case of upnp playing mp4 often leads to a
* paused playback but data is already injected which leads
* to errors ...
* and I don't see any sense of pausing direct after starting
* with the exception of timeshift. but this should be handled
* outside this lib or with another function!
*/
if (pm != PLAYMODE_TS)
{
if ((ret) && (!isHTTP))
{
//pause playback in case of timeshift
//FIXME: no picture on tv
if (!player || !player->Pause())
{
ret = false;
printf("failed to pause playback\n");
} else
playing = true;
} else
playing = true;
}
printf("%s:%s - return=%d\n", FILENAME, __FUNCTION__, ret);
fn_ts = std::string(filename);
if (fn_ts.rfind(".ts") == fn_ts.length() - 3)
fn_xml = fn_ts.substr(0, fn_ts.length() - 3) + ".xml";
if (pm == PLAYMODE_TS)
{
struct stat s;
if (!stat(filename, &s))
last_size = s.st_size;
if (player)
{
ret = true;
videoDecoder->Stop(false);
audioDecoder->Stop();
}
}
return ret;
}
//Used by Fileplay
bool cPlayback::Stop(void)
{
printf("%s:%s playing %d\n", FILENAME, __FUNCTION__, playing);
//if(playing==false) return false;
if(player)
player->Stop();
if(player)
player->output.Close();
if(player)
player->Close();
if(player) {
delete player;
player = NULL;
}
playing=false;
return true;
}
bool cPlayback::SetAPid(int pid, bool ac3 __attribute__((unused)))
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
if(pid!=mAudioStream){
if(player)
player->SwitchAudio(pid);
mAudioStream=pid;
}
return true;
}
bool cPlayback::SetSubtitlePid(int pid)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
if(pid!=mSubtitleStream){
if(player)
player->SwitchSubtitle(pid);
mSubtitleStream = pid;
}
return true;
}
bool cPlayback::SetTeletextPid(int pid)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
if(pid!=mTeletextStream){
if(player)
player->SwitchTeletext(pid);
mTeletextStream=pid;
}
return true;
}
bool cPlayback::SetSpeed(int speed)
{
printf("%s:%s playing %d speed %d\n", FILENAME, __FUNCTION__, playing, speed);
if (! decoders_closed)
{
audioDecoder->closeDevice();
videoDecoder->closeDevice();
decoders_closed = true;
usleep(500000);
if (player) {
player->output.Open();
playing = player->Play();
}
}
if(playing==false)
return false;
if(player)
{
int result = 0;
nPlaybackSpeed = speed;
if (speed > 1)
{
/* direction switch ? */
if (player->isBackWard)
{
result = player->FastBackward(0);
printf("result = %d\n", result);
}
result = player->FastForward(speed);
} else
if (speed < 0)
{
/* direction switch ? */
if (player->isForwarding)
{
result = player->Continue();
printf("result = %d\n", result);
}
result = player->FastBackward(speed);
}
else
if (speed == 0)
{
/* konfetti: hmmm accessing the member isn't very proper */
if ((player->isForwarding) || (!player->isBackWard))
player->Pause();
else
{
player->FastForward(0);
}
} else
{
result = player->Continue();
}
if (init_jump > -1)
{
SetPosition(init_jump);
init_jump = -1;
}
if (result != 0)
{
printf("returning false\n");
return false;
}
}
return true;
}
bool cPlayback::GetSpeed(int &speed) const
{
//printf("%s:%s\n", FILENAME, __FUNCTION__);
speed = nPlaybackSpeed;
return true;
}
void cPlayback::GetPts(uint64_t &pts)
{
if (player)
player->GetPts((int64_t &) pts);
}
// in milliseconds
bool cPlayback::GetPosition(int &position, int &duration)
{
bool got_duration = false;
/* hack: if the file is growing (timeshift), then determine its length
* by comparing the mtime with the mtime of the xml file */
if (pm == PLAYMODE_TS)
{
struct stat s;
if (!stat(fn_ts.c_str(), &s))
{
if (! playing || last_size != s.st_size)
{
last_size = s.st_size;
time_t curr_time = s.st_mtime;
if (!stat(fn_xml.c_str(), &s))
{
duration = (curr_time - s.st_mtime) * 1000;
if (! playing)
return true;
got_duration = true;
}
}
}
}
if(playing==false) return false;
if (player && !player->isPlaying) {
printf("cPlayback::%s !!!!EOF!!!! < -1\n", __func__);
position = duration + 1000;
return false;
}
int64_t vpts = 0;
if(player)
player->GetPts(vpts);
if(vpts <= 0) {
//printf("ERROR: vpts==0");
} else {
/* len is in nanoseconds. we have 90 000 pts per second. */
position = vpts/90;
}
if (got_duration)
return true;
double length = 0;
if(player)
player->GetDuration(length);
if(length <= 0) {
duration = duration+1000;
} else {
duration = length*1000.0;
}
return true;
}
bool cPlayback::SetPosition(int position, bool absolute)
{
printf("%s:%s %d\n", FILENAME, __FUNCTION__,position);
if (playing == false)
{
/* the calling sequence is:
* Start() - paused
* SetPosition() - which fails if not running
* SetSpeed() - to start playing
* so let's remember the initial jump position and later jump to it
*/
init_jump = position;
return false;
}
float pos = (position/1000.0);
if(player)
player->Seek(pos, absolute);
return true;
}
void cPlayback::FindAllPids(int *pids, unsigned int *ac3flags, unsigned int *numpids, std::string *language)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
unsigned int i = 0;
if(player) {
std::vector<Track> tracks = player->manager.getAudioTracks();
for (std::vector<Track>::iterator it = tracks.begin(); it != tracks.end() && i < *numpids; ++it) {
pids[i] = it->pid;
ac3flags[i] = it->ac3flags;
language[i] = it->Name;
i++;
}
}
*numpids = i;
}
void cPlayback::FindAllSubtitlePids(int *pids, unsigned int *numpids, std::string *language)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
unsigned int i = 0;
if(player) {
std::vector<Track> tracks = player->manager.getSubtitleTracks();
for (std::vector<Track>::iterator it = tracks.begin(); it != tracks.end() && i < *numpids; ++it) {
pids[i] = it->pid;
language[i] = it->Name;
i++;
}
}
*numpids = i;
}
void cPlayback::FindAllTeletextsubtitlePids(int *pids, unsigned int *numpids, std::string *language)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
unsigned int i = 0;
if(player) {
std::vector<Track> tracks = player->manager.getTeletextTracks();
for (std::vector<Track>::iterator it = tracks.begin(); it != tracks.end() && i < *numpids; ++it) {
pids[i] = it->pid;
if (it->type != 2 && it->type != 5) // return subtitles only
continue;
char tmp[80];
snprintf(tmp, sizeof(tmp), "%d %d %s %d %d %d", it->pid, it->pid, it->Name.c_str(), it->type, it->mag, it->page); //FIXME
language[i] = std::string(tmp);
i++;
}
}
*numpids = i;
}
int cPlayback::GetTeletextPid(void)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
if(player) {
std::vector<Track> tracks = player->manager.getTeletextTracks();
for (std::vector<Track>::iterator it = tracks.begin(); it != tracks.end(); ++it) {
if (it->type == 1)
return it->pid;
}
}
return -1;
}
#if 0
/* dummy functions for subtitles */
void cPlayback::FindAllSubs(uint16_t * /*pids*/, unsigned short * /*supp*/, uint16_t *num, std::string * /*lang*/)
{
*num = 0;
}
bool cPlayback::SelectSubtitles(int pid)
{
printf("%s:%s pid %d\n", FILENAME, __func__, pid);
return false;
}
#endif
void cPlayback::GetChapters(std::vector<int> &positions, std::vector<std::string> &titles)
{
player->GetChapters(positions, titles);
}
void cPlayback::GetMetadata(std::vector<std::string> &keys, std::vector<std::string> &values)
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
if (!player)
return;
player->input.GetMetadata(keys, values);
}
cPlayback::cPlayback(int num __attribute__((unused)))
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
playing=false;
}
cPlayback::~cPlayback()
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
}
void cPlayback::RequestAbort() {
if (player) {
player->abortRequested = 1;
while (player->isPlaying)
usleep(100000);
}
}
bool cPlayback::IsPlaying() {
if (player)
return player->isPlaying;
return false;
}
unsigned long long cPlayback::GetReadCount() {
if (player)
return player->readCount;
return 0;
}
#if 0
bool cPlayback::IsPlaying(void) const
{
printf("%s:%s\n", FILENAME, __FUNCTION__);
/* konfetti: there is no event/callback mechanism in libeplayer2
* so in case of ending playback we have no information on a
* terminated stream currently (or did I oversee it?).
* So let's ask the player the state.
*/
if (playing)
{
return player->isPlaying;
}
return playing;
}
#endif