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278 lines
7.7 KiB
278 lines
7.7 KiB
//
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// C++ Implementation: k9plaympeg2
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//
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// Description:
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//
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//
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// Author: Jean-Michel PETIT <k9copy@free.fr>, (C) 2006
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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//
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#include "k9plaympeg2.h"
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#include "kdecmpeg2.h"
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#include "dvdnav.h"
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#include <klocale.h>
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#include <tqapplication.h>
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k9PlayMPEG2::k9PlayMPEG2()
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{
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m_title=NULL;
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}
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k9PlayMPEG2::~k9PlayMPEG2()
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{
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stop();
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}
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void k9PlayMPEG2::updatePos( uint32_t _position) {
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m_idxLect=_position;
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m_decoder.clear();
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m_decoder.getDecoder()->restart();
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}
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#define DVD_LANGUAGE "en"
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#define DVD_READ_CACHE 1
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void k9PlayMPEG2::playTitle() {
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dvdnav_t *dvdnav;
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uint8_t mem[DVD_VIDEO_LB_LEN];
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int finished = 0;
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int32_t tt = 0,ptt=0;
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uint32_t pos, lgr;
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int title=m_title->getnumTitle();
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/* open dvdnav handle */
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if (dvdnav_open(&dvdnav, m_device,m_dvd) != DVDNAV_STATUS_OK) {
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setError("ERR:Error on dvdnav_open\n");
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return ;
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}
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/* set read ahead cache usage */
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if (dvdnav_set_readahead_flag(dvdnav, DVD_READ_CACHE) != DVDNAV_STATUS_OK) {
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setError(TQString("ERR:Error on dvdnav_set_readahead_flag: %1\n").arg(dvdnav_err_to_string(dvdnav)));
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return;
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}
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/* set the language */
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if (dvdnav_menu_language_select(dvdnav, DVD_LANGUAGE) != DVDNAV_STATUS_OK ||
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dvdnav_audio_language_select(dvdnav, DVD_LANGUAGE) != DVDNAV_STATUS_OK ||
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dvdnav_spu_language_select(dvdnav, DVD_LANGUAGE) != DVDNAV_STATUS_OK) {
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setError(TQString("ERR:Error on setting languages: %1\n").arg(dvdnav_err_to_string(dvdnav)));
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return ;
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}
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/* set the PGC positioning flag to have position information relatively to the
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* whole feature instead of just relatively to the current chapter */
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if (dvdnav_set_PGC_positioning_flag(dvdnav, 1) != DVDNAV_STATUS_OK) {
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setError(TQString("ERR:Error on dvdnav_set_PGC_positioning_flag: %1\n").arg(dvdnav_err_to_string(dvdnav)));
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return ;
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}
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int32_t parts;
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dvdnav_get_number_of_parts(dvdnav , title, &parts);
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if (m_chapter==0)
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dvdnav_title_play(dvdnav , title);
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else
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dvdnav_part_play(dvdnav , title,m_chapter);
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/* the read loop which regularly calls dvdnav_get_next_block
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* and handles the returned events */
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while (!finished && !m_stopped && tqApp!=NULL) {
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int result, event, len;
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uint8_t *buf = mem;
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if (m_idxLect !=0xFFFFFFFF) {
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dvdnav_sector_search(dvdnav, m_idxLect,SEEK_SET);
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m_idxLect=0xFFFFFFFF;
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}
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/* the main reading function */
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#ifdef DVD_READ_CACHE
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result = dvdnav_get_next_cache_block(dvdnav, &buf, &event, &len);
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#else
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result = dvdnav_get_next_block(dvdnav, buf, &event, &len);
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#endif
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if (result == DVDNAV_STATUS_ERR) {
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setError(TQString("ERR:Error getting next block: %1\n").arg(dvdnav_err_to_string(dvdnav)));
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return;
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}
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switch (event) {
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case DVDNAV_NAV_PACKET:
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{
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dvdnav_current_title_info(dvdnav, &tt, &ptt);
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dvdnav_get_position(dvdnav, &pos, &lgr);
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if (tt != title)
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finished=1;
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if (finished==0 && buf[17]==0xE0) {
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m_decoder.addData( buf,len);
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}
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if (tqApp->tryLock()) {
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emit setPosition( pos);
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tqApp->unlock();
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}
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}
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break;
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//removed break --> save
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case DVDNAV_BLOCK_OK:
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/* We have received a regular block of the currently playing MPEG stream.*/
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m_decoder.addData( buf,len);
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break;
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case DVDNAV_NOP:
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/* Nothing to do here. */
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break;
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case DVDNAV_STILL_FRAME:
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/* We have reached a still frame. A real player application would wait
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* the amount of time specified by the still's length while still handling
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* user input to make menus and other interactive stills work.
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* A length of 0xff means an indefinite still which has to be skipped
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* indirectly by some user interaction. */
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{
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dvdnav_still_event_t *still_event = (dvdnav_still_event_t *)buf;
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dvdnav_still_skip(dvdnav);
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}
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break;
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case DVDNAV_WAIT:
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/* We have reached a point in DVD playback, where timing is critical.
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* Player application with internal fifos can introduce state
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* inconsistencies, because libdvdnav is always the fifo's length
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* ahead in the stream compared to what the application sees.
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* Such applications should wait until their fifos are empty
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* when they receive this type of event. */
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dvdnav_wait_skip(dvdnav);
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break;
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case DVDNAV_SPU_CLUT_CHANGE:
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/* Player applications should pass the new colour lookup table to their
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* SPU decoder */
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break;
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case DVDNAV_SPU_STREAM_CHANGE:
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/* Player applications should inform their SPU decoder to switch channels */
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break;
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case DVDNAV_AUDIO_STREAM_CHANGE:
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/* Player applications should inform their audio decoder to switch channels */
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break;
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case DVDNAV_HIGHLIGHT:
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/* Player applications should inform their overlay engine to highlight the
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* given button */
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{
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dvdnav_highlight_event_t *highlight_event = (dvdnav_highlight_event_t *)buf;
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}
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break;
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case DVDNAV_VTS_CHANGE:
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/* Some status information like video aspect and video scale permissions do
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* not change inside a VTS. Therefore this event can be used to query such
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* information only when necessary and update the decoding/displaying
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* accordingly. */
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break;
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case DVDNAV_CELL_CHANGE:
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// dvdnav_get_position(dvdnav, &pos, &lgr);
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break;
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case DVDNAV_HOP_CHANNEL:
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/* This event is issued whenever a non-seamless operation has been executed.
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* Applications with fifos should drop the fifos content to speed up responsiveness. */
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break;
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case DVDNAV_STOP:
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/* Playback should end here. */
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{
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finished = 1;
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}
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break;
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default:
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finished = 1;
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break;
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}
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#ifdef DVD_READ_CACHE
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dvdnav_free_cache_block(dvdnav, buf);
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#endif
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}
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m_decoder.setNoData();
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/* destroy dvdnav handle */
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dvdnav_close(dvdnav);
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}
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void k9PlayMPEG2::run() {
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m_stopped=false;
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m_idxLect=m_startSector;
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playTitle();
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}
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void k9PlayMPEG2::stop() {
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m_stopped=TRUE;
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m_decoder.setNoData();
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m_decoder.clear();
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m_decoder.wait();
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wait();
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}
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void k9PlayMPEG2::play() {
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if (m_stopped && m_title!=NULL)
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open(m_dvd,m_device,m_title,m_chapter);
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}
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kDecMPEG2 *k9PlayMPEG2::getDecoder() {
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return m_decoder.getDecoder() ;
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}
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void k9PlayMPEG2::open (dvd_reader_t *dvd,const TQString & device,k9DVDTitle * title,int chapter=0) {
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m_dvd=dvd;
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m_chapter=chapter;
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int ret = 0;
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struct stat dvd_stat;
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TQString c;
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m_idxLect=0xFFFFFFFF;
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stop();
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m_title=title;
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m_device=device;
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m_startSector=0;
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m_lastSector=0;
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ret = stat(device.utf8(), &dvd_stat);
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/* if ( ret < 0 ) {
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c=i18n("Can't find device %1\n").arg(device.latin1());
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setError(c);
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return;
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}
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*/
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m_title=title;
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m_startSector=m_title->getChapter( 0)->getstartSector();
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m_lastSector= m_startSector + m_title->getsectors(); //m_title->getChapter(m_title->getchapterCount()-1)->getendSector();
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emit setPosition( m_startSector);
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emit setMax( m_lastSector);
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emit setMin( m_startSector);
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m_decoder.start(TQThread::LowPriority);
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start();
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}
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#include "k9plaympeg2.moc"
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