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      1 /*
      2  * libjingle
      3  * Copyright 2015 Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  */
     28 
     29 #ifndef TALK_APP_WEBRTC_JAVA_JNI_ANDROIDMEDIACODECCOMMON_H_
     30 #define TALK_APP_WEBRTC_JAVA_JNI_ANDROIDMEDIACODECCOMMON_H_
     31 
     32 #include <android/log.h>
     33 #include "talk/app/webrtc/java/jni/classreferenceholder.h"
     34 #include "webrtc/base/thread.h"
     35 #include "webrtc/base/logging.h"
     36 #include "webrtc/system_wrappers/include/tick_util.h"
     37 
     38 namespace webrtc_jni {
     39 
     40 // Uncomment this define to enable verbose logging for every encoded/decoded
     41 // video frame.
     42 //#define TRACK_BUFFER_TIMING
     43 
     44 #define TAG "MediaCodecVideo"
     45 #ifdef TRACK_BUFFER_TIMING
     46 #define ALOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, TAG, __VA_ARGS__)
     47 #else
     48 #define ALOGV(...)
     49 #endif
     50 #define ALOGD LOG_TAG(rtc::LS_INFO, TAG)
     51 #define ALOGW LOG_TAG(rtc::LS_WARNING, TAG)
     52 #define ALOGE LOG_TAG(rtc::LS_ERROR, TAG)
     53 
     54 // Color formats supported by encoder - should mirror supportedColorList
     55 // from MediaCodecVideoEncoder.java
     56 enum COLOR_FORMATTYPE {
     57   COLOR_FormatYUV420Planar = 0x13,
     58   COLOR_FormatYUV420SemiPlanar = 0x15,
     59   COLOR_QCOM_FormatYUV420SemiPlanar = 0x7FA30C00,
     60   // NV12 color format supported by QCOM codec, but not declared in MediaCodec -
     61   // see /hardware/qcom/media/mm-core/inc/OMX_QCOMExtns.h
     62   // This format is presumably similar to COLOR_FormatYUV420SemiPlanar,
     63   // but requires some (16, 32?) byte alignment.
     64   COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m = 0x7FA30C04
     65 };
     66 
     67 // Arbitrary interval to poll the codec for new outputs.
     68 enum { kMediaCodecPollMs = 10 };
     69 // Media codec maximum output buffer ready timeout.
     70 enum { kMediaCodecTimeoutMs = 1000 };
     71 // Interval to print codec statistics (bitrate, fps, encoding/decoding time).
     72 enum { kMediaCodecStatisticsIntervalMs = 3000 };
     73 // Maximum amount of pending frames for VP8 decoder.
     74 enum { kMaxPendingFramesVp8 = 1 };
     75 // Maximum amount of pending frames for VP9 decoder.
     76 enum { kMaxPendingFramesVp9 = 1 };
     77 // Maximum amount of pending frames for H.264 decoder.
     78 enum { kMaxPendingFramesH264 = 30 };
     79 // Maximum amount of decoded frames for which per-frame logging is enabled.
     80 enum { kMaxDecodedLogFrames = 5 };
     81 
     82 static inline int64_t GetCurrentTimeMs() {
     83   return webrtc::TickTime::Now().Ticks() / 1000000LL;
     84 }
     85 
     86 static inline void AllowBlockingCalls() {
     87   rtc::Thread* current_thread = rtc::Thread::Current();
     88   if (current_thread != NULL)
     89     current_thread->SetAllowBlockingCalls(true);
     90 }
     91 
     92 // Return the (singleton) Java Enum object corresponding to |index|;
     93 // |state_class_fragment| is something like "MediaSource$State".
     94 static inline jobject JavaEnumFromIndex(
     95     JNIEnv* jni, const std::string& state_class_fragment, int index) {
     96   const std::string state_class = "org/webrtc/" + state_class_fragment;
     97   return JavaEnumFromIndex(jni, FindClass(jni, state_class.c_str()),
     98                            state_class, index);
     99 }
    100 
    101 // Checks for any Java exception, prints stack backtrace and clears
    102 // currently thrown exception.
    103 static inline bool CheckException(JNIEnv* jni) {
    104   if (jni->ExceptionCheck()) {
    105     ALOGE << "Java JNI exception.";
    106     jni->ExceptionDescribe();
    107     jni->ExceptionClear();
    108     return true;
    109   }
    110   return false;
    111 }
    112 
    113 }  // namespace webrtc_jni
    114 
    115 #endif  // TALK_APP_WEBRTC_JAVA_JNI_ANDROIDMEDIACODECCOMMON_H_
    116