mirror of
https://github.com/tuxbox-neutrino/libstb-hal.git
synced 2025-08-26 23:13:16 +02:00
350 lines
8.7 KiB
C++
350 lines
8.7 KiB
C++
/*
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* output class
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*
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* based on libeplayer3 LinuxDVB Output handling.
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*
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* Copyright (C) 2014 martii
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <linux/dvb/video.h>
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#include <linux/dvb/audio.h>
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#include <linux/dvb/stm_ioctls.h>
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#include <memory.h>
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#include <asm/types.h>
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#include <pthread.h>
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#include <errno.h>
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#include <OpenThreads/ScopedLock>
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#include <OpenThreads/Thread>
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#include <OpenThreads/Condition>
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#include "player.h"
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#include "output.h"
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#include "writer.h"
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#include "misc.h"
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#include "pes.h"
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#define dioctl(fd,req,arg) ({ \
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int _r = ioctl(fd,req,arg); \
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if (_r) \
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fprintf(stderr, "%s %d: ioctl '%s' failed: %d (%s)\n", __FILE__, __LINE__, #req, errno, strerror(errno)); \
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_r; \
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})
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#define VIDEODEV "/dev/dvb/adapter0/video0"
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#define AUDIODEV "/dev/dvb/adapter0/audio0"
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Output::Output()
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{
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videofd = audiofd = -1;
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videoWriter = audioWriter = NULL;
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videoStream = audioStream = NULL;
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}
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Output::~Output()
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{
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Close();
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}
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bool Output::Open()
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (videofd < 0)
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videofd = open(VIDEODEV, O_RDWR);
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if (videofd < 0)
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return false;
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dioctl(videofd, VIDEO_CLEAR_BUFFER, NULL);
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dioctl(videofd, VIDEO_SELECT_SOURCE, (void *) VIDEO_SOURCE_MEMORY);
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dioctl(videofd, VIDEO_SET_STREAMTYPE, (void *) STREAM_TYPE_PROGRAM);
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dioctl(videofd, VIDEO_SET_SPEED, DVB_SPEED_NORMAL_PLAY);
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if (audiofd < 0)
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audiofd = open(AUDIODEV, O_RDWR);
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if (audiofd < 0) {
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close(videofd);
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videofd = -1;
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return false;
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}
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dioctl(audiofd, AUDIO_CLEAR_BUFFER, NULL);
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dioctl(audiofd, AUDIO_SELECT_SOURCE, (void *) AUDIO_SOURCE_MEMORY);
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dioctl(audiofd, AUDIO_SET_STREAMTYPE, (void *) STREAM_TYPE_PROGRAM);
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return true;
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}
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bool Output::Close()
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{
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Stop();
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (videofd > -1) {
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close(videofd);
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videofd = -1;
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}
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if (audiofd > -1) {
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close(audiofd);
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audiofd = -1;
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}
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videoStream = NULL;
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audioStream = NULL;
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return true;
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}
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bool Output::Play()
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{
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bool ret = true;
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (videoStream && videofd > -1) {
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videoWriter = Writer::GetWriter(videoStream->codec->codec_id, videoStream->codec->codec_type);
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videoWriter->Init();
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if (dioctl(videofd, VIDEO_SET_ENCODING, videoWriter->GetVideoEncoding(videoStream->codec->codec_id))
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|| dioctl(videofd, VIDEO_PLAY, NULL))
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ret = false;
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}
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if (audioStream && audiofd > -1) {
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audioWriter = Writer::GetWriter(audioStream->codec->codec_id, audioStream->codec->codec_type);
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audioWriter->Init();
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if (dioctl(audiofd, AUDIO_SET_ENCODING, audioWriter->GetAudioEncoding(audioStream->codec->codec_id))
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|| dioctl(audiofd, AUDIO_PLAY, NULL))
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ret = false;
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}
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return ret;
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}
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bool Output::Stop()
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{
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bool ret = true;
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (videofd > -1) {
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dioctl(videofd, VIDEO_CLEAR_BUFFER, NULL);
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/* set back to normal speed (end trickmodes) */
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dioctl(videofd, VIDEO_SET_SPEED, DVB_SPEED_NORMAL_PLAY);
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if (dioctl(videofd, VIDEO_STOP, NULL))
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ret = false;
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}
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if (audiofd > -1) {
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dioctl(audiofd, AUDIO_CLEAR_BUFFER, NULL);
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/* set back to normal speed (end trickmodes) */
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dioctl(audiofd, AUDIO_SET_SPEED, DVB_SPEED_NORMAL_PLAY);
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if (dioctl(audiofd, AUDIO_STOP, NULL))
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ret = false;
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}
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return ret;
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}
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bool Output::Pause()
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{
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bool ret = true;
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (videofd > -1) {
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if (dioctl(videofd, VIDEO_FREEZE, NULL))
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ret = false;
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}
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if (audiofd > -1) {
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if (dioctl(audiofd, AUDIO_PAUSE, NULL))
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ret = false;
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}
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return ret;
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}
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bool Output::Continue()
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{
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bool ret = true;
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (videofd > -1 && dioctl(videofd, VIDEO_CONTINUE, NULL))
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ret = false;
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if (audiofd > -1 && dioctl(audiofd, AUDIO_CONTINUE, NULL))
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ret = false;
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return ret;
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}
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bool Output::Mute(bool b)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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//AUDIO_SET_MUTE has no effect with new player
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return audiofd > -1 && !dioctl(audiofd, b ? AUDIO_STOP : AUDIO_PLAY, NULL);
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}
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bool Output::Flush()
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{
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bool ret = true;
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (videofd > -1 && dioctl(videofd, VIDEO_FLUSH, NULL))
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ret = false;
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if (audiofd > -1 && dioctl(audiofd, AUDIO_FLUSH, NULL))
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ret = false;
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return ret;
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}
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bool Output::FastForward(int speed)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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return videofd > -1 && !dioctl(videofd, VIDEO_FAST_FORWARD, speed);
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}
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bool Output::SlowMotion(int speed)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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return videofd > -1 && !dioctl(videofd, VIDEO_SLOWMOTION, speed);
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}
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bool Output::AVSync(bool b)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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return audiofd > -1 && !dioctl(audiofd, AUDIO_SET_AV_SYNC, b);
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}
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bool Output::ClearAudio()
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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return audiofd > -1 && !dioctl(audiofd, AUDIO_CLEAR_BUFFER, NULL);
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}
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bool Output::ClearVideo()
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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return videofd > -1 && !dioctl(videofd, VIDEO_CLEAR_BUFFER, NULL);
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}
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bool Output::Clear()
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{
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bool aret = ClearAudio();
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bool vret = ClearVideo();
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return aret && vret;
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}
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bool Output::GetPts(int64_t &pts)
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{
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pts = 0;
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return ((videofd > -1 && !dioctl(videofd, VIDEO_GET_PTS, (void *) &pts)) ||
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(audiofd > -1 && !dioctl(audiofd, AUDIO_GET_PTS, (void *) &pts)));
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}
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bool Output::GetFrameCount(int64_t &framecount)
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{
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dvb_play_info_t playInfo;
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if ((videofd > -1 && dioctl(videofd, VIDEO_GET_PLAY_INFO, (void *) &playInfo)) ||
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(audiofd > -1 && dioctl(audiofd, AUDIO_GET_PLAY_INFO, (void *) &playInfo))) {
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framecount = playInfo.frame_count;
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return true;
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}
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return false;
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}
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bool Output::SwitchAudio(AVStream *stream)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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if (stream == audioStream)
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return true;
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if (audiofd > -1) {
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dioctl(audiofd, AUDIO_STOP, NULL);
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dioctl(audiofd, AUDIO_CLEAR_BUFFER, NULL);
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}
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audioStream = stream;
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if (stream) {
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audioWriter = Writer::GetWriter(stream->codec->codec_id, stream->codec->codec_type);
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audioWriter->Init();
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if (audiofd > -1) {
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dioctl (audiofd, AUDIO_SET_ENCODING, Writer::GetAudioEncoding(stream->codec->codec_id));
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dioctl(audiofd, AUDIO_PLAY, NULL);
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}
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}
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return true;
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}
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bool Output::SwitchVideo(AVStream *stream)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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if (stream == videoStream)
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return true;
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if (videofd > -1) {
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dioctl(videofd, VIDEO_STOP, NULL);
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dioctl(videofd, VIDEO_CLEAR_BUFFER, NULL);
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}
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videoStream = stream;
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if (stream) {
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videoWriter = Writer::GetWriter(stream->codec->codec_id, stream->codec->codec_type);
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videoWriter->Init();
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if (videofd > -1) {
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dioctl(videofd, VIDEO_SET_ENCODING, Writer::GetVideoEncoding(stream->codec->codec_id));
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dioctl(videofd, VIDEO_PLAY, NULL);
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}
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}
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return true;
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}
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bool Output::Write(AVFormatContext *avfc, AVStream *stream, AVPacket *packet, int64_t pts)
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{
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switch (stream->codec->codec_type) {
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case AVMEDIA_TYPE_VIDEO: {
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OpenThreads::ScopedLock<OpenThreads::Mutex> v_lock(videoMutex);
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return videofd > -1 && videoWriter && videoWriter->Write(videofd, avfc, stream, packet, pts);
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}
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case AVMEDIA_TYPE_AUDIO: {
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OpenThreads::ScopedLock<OpenThreads::Mutex> a_lock(audioMutex);
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return audiofd > -1 && audioWriter && audioWriter->Write(audiofd, avfc, stream, packet, pts);
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}
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default:
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return false;
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}
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}
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