From b6feca2e8c5f682b7906ab9b2f41deeff257590d Mon Sep 17 00:00:00 2001
From: xufuji456 <xufl@flatincbr.com>
Date: Sat, 24 Sep 2022 19:57:04 +0800
Subject: [PATCH] Feature: add MediaClock

---
 app/src/main/cpp/CMakeLists.txt               | 10 +++-
 app/src/main/cpp/ffplayer/FFMessageQueue.cpp  |  3 --
 app/src/main/cpp/ffplayer/FFMessageQueue.h    |  6 +--
 .../main/cpp/ffplayer/clock/MediaClock.cpp    | 50 +++++++++++++++++++
 app/src/main/cpp/ffplayer/clock/MediaClock.h  | 45 +++++++++++++++++
 app/src/main/cpp/ffplayer/ffplay_define.h     |  5 +-
 6 files changed, 108 insertions(+), 11 deletions(-)
 create mode 100644 app/src/main/cpp/ffplayer/clock/MediaClock.cpp
 create mode 100644 app/src/main/cpp/ffplayer/clock/MediaClock.h

diff --git a/app/src/main/cpp/CMakeLists.txt b/app/src/main/cpp/CMakeLists.txt
index df9afa8..0b53630 100644
--- a/app/src/main/cpp/CMakeLists.txt
+++ b/app/src/main/cpp/CMakeLists.txt
@@ -34,7 +34,14 @@ set(SRC_METADATA
 
 set(SRC_FFPLAYER
         ffplayer/queue/FrameQueue.cpp
-        ffplayer/queue/PacketQueue.cpp)
+        ffplayer/queue/PacketQueue.cpp
+        ffplayer/decode/BaseDecoder.cpp
+        ffplayer/decode/FFAudioDecoder.cpp
+        ffplayer/decode/FFVideoDecoder.cpp
+        ffplayer/clock/MediaClock.cpp
+        ffplayer/render/android/AudioAndroidRender.cpp
+        ffplayer/FFMessageQueue.cpp
+        ffplayer/FFMediaPlayer.cpp)
 
 add_library( # Sets the name of the library.
              media-handle
@@ -74,6 +81,7 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
 include_directories(.)
 include_directories(include)
 include_directories(metadata)
+include_directories(ffplayer)
 
 if(${CMAKE_ANDROID_ARCH_ABI} MATCHES "armeabi-v7a")
     include_directories(include/armeabi-v7a)
diff --git a/app/src/main/cpp/ffplayer/FFMessageQueue.cpp b/app/src/main/cpp/ffplayer/FFMessageQueue.cpp
index efcaaec..3999402 100644
--- a/app/src/main/cpp/ffplayer/FFMessageQueue.cpp
+++ b/app/src/main/cpp/ffplayer/FFMessageQueue.cpp
@@ -1,6 +1,3 @@
-//
-// Created by xu fulong on 2022/9/24.
-//
 
 #include "FFMessageQueue.h"
 
diff --git a/app/src/main/cpp/ffplayer/FFMessageQueue.h b/app/src/main/cpp/ffplayer/FFMessageQueue.h
index 2c4ec83..bad8e28 100644
--- a/app/src/main/cpp/ffplayer/FFMessageQueue.h
+++ b/app/src/main/cpp/ffplayer/FFMessageQueue.h
@@ -1,6 +1,3 @@
-//
-// Created by xu fulong on 2022/9/24.
-//
 
 #ifndef FFMPEGANDROID_FFMESSAGEQUEUE_H
 #define FFMPEGANDROID_FFMESSAGEQUEUE_H
@@ -26,6 +23,8 @@
 #define FFP_MSG_COMPONENT_OPEN              409
 #define FFP_MSG_VIDEO_SEEK_RENDERING_START  410
 #define FFP_MSG_AUDIO_SEEK_RENDERING_START  411
+#define FFP_MSG_DECODER_OPEN_ERROR          412
+#define FFP_MSG_DEMUX_ERROR                 413
 
 #define FFP_MSG_BUFFERING_START             500
 #define FFP_MSG_BUFFERING_END               501
@@ -36,6 +35,7 @@
 #define FFP_MSG_PLAYBACK_STATE_CHANGED      700
 #define FFP_MSG_TIMED_TEXT                  800
 #define FFP_MSG_VIDEO_DECODER_OPEN          900
+#define FFP_MSG_OPEN_ERROR                  901
 
 #define FFP_REQ_START                       1001
 #define FFP_REQ_PAUSE                       1002
diff --git a/app/src/main/cpp/ffplayer/clock/MediaClock.cpp b/app/src/main/cpp/ffplayer/clock/MediaClock.cpp
new file mode 100644
index 0000000..dce88ac
--- /dev/null
+++ b/app/src/main/cpp/ffplayer/clock/MediaClock.cpp
@@ -0,0 +1,50 @@
+
+#include <ffplay_define.h>
+#include "MediaClock.h"
+
+MediaClock::MediaClock() {
+    m_speed = 1.0;
+    m_pause = false;
+    setClock(NAN);
+}
+
+void MediaClock::setClock(double pts) {
+    double time = (double) av_gettime_relative() / 1000000.0;
+    setClock(pts, time);
+}
+
+void MediaClock::setClock(double pts, double time) {
+    m_pts         = pts;
+    m_last_update = time;
+    m_pts_drift   = m_pts - time;
+}
+
+double MediaClock::getClock() const {
+    if (m_pause) {
+        return m_pts;
+    } else {
+        double time = (double) av_gettime_relative() / 1000000.0;
+        return m_pts_drift + time - (time - m_last_update) * (1.0 - m_speed);
+    }
+}
+
+void MediaClock::setSpeed(double speed) {
+    setClock(getClock());
+    m_speed = speed;
+}
+
+double MediaClock::getSpeed() const {
+    return m_speed;
+}
+
+void MediaClock::syncToSlave(MediaClock *slave) {
+    double clock = getClock();
+    double slave_clock = slave->getClock();
+    if (!isnan(slave_clock) && (isnan(clock) || fabs(clock - slave_clock) > AV_NOSYNC_THRESHOLD)) {
+        setClock(slave_clock);
+    }
+}
+
+MediaClock::~MediaClock() {
+
+}
\ No newline at end of file
diff --git a/app/src/main/cpp/ffplayer/clock/MediaClock.h b/app/src/main/cpp/ffplayer/clock/MediaClock.h
new file mode 100644
index 0000000..0b1df8b
--- /dev/null
+++ b/app/src/main/cpp/ffplayer/clock/MediaClock.h
@@ -0,0 +1,45 @@
+
+#ifndef FFMPEGANDROID_MEDIACLOCK_H
+#define FFMPEGANDROID_MEDIACLOCK_H
+
+#include <math.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <libavutil/time.h>
+#ifdef __cplusplus
+}
+#endif
+
+class MediaClock {
+
+private:
+    bool m_pause;
+    double m_pts;
+    double m_speed;
+    double m_pts_drift;
+    double m_last_update;
+
+public:
+
+    MediaClock();
+
+    void setClock(double pts);
+
+    void setClock(double pts, double time);
+
+    double getClock() const;
+
+    void setSpeed(double speed);
+
+    double getSpeed() const;
+
+    void syncToSlave(MediaClock *slave);
+
+    virtual ~MediaClock();
+
+};
+
+
+#endif //FFMPEGANDROID_MEDIACLOCK_H
diff --git a/app/src/main/cpp/ffplayer/ffplay_define.h b/app/src/main/cpp/ffplayer/ffplay_define.h
index ca05036..90968f4 100644
--- a/app/src/main/cpp/ffplayer/ffplay_define.h
+++ b/app/src/main/cpp/ffplayer/ffplay_define.h
@@ -1,6 +1,3 @@
-//
-// Created by xu fulong on 2022/9/22.
-//
 
 #ifndef FFMPEGANDROID_FFPLAY_DEFINE_H
 #define FFMPEGANDROID_FFPLAY_DEFINE_H
@@ -57,7 +54,7 @@ class PlayerParams {
 public:
     std::mutex mutex;
 
-    MessageQueue *messageQueue;
+    FFMessageQueue *messageQueue;
     int64_t videoDuration;
 
     AVInputFormat *iformat;