libmp4box.zip

#include <errno.h> #include <string.h> #include <stdio.h> #include <stdlib.h> #include "libmp4box_write.h" #include "jnixmp4.h" #include <android/log.h> #define TAG "xmp4" // 这个是自定义的LOG的标识 #define LOG(...) __android_log_print(ANDROID_LOG_INFO, TAG, __VA_ARGS__) // 定义LOGD类型 static AFMP4Handle s_mHandle = NULL; static const char *s_pFilename = NULL; static unsigned long m_curVideoTimeStamp=0; static unsigned long m_curAudioTimeStamp=0; JNIEXPORT jint JNICALL Java_Studio_Core_XLinkService_CDK_XMP4boxOpen(JNIEnv* env, jobject jobt, jstring filename, jint mode) { if (s_pFilename) { free(s_pFilename); s_pFilename = 0; } const char *pFilename = (*env)->GetStringUTFChars(env, filename, 0); LOG("%s:%d", pFilename, mode); s_mHandle = MP4WriterInit(); s_pFilename = malloc(strlen(pFilename)+1); strcpy(s_pFilename, pFilename); (*env)->ReleaseStringUTFChars(env, filename, pFilename); return s_mHandle == NULL ? -1 : 0; } JNIEXPORT jint JNICALL Java_Studio_Core_XLinkService_CDK_XMP4boxClose(JNIEnv* env, jobject jobt) { if (s_pFilename) { free(s_pFilename); s_pFilename = 0; } if (s_mHandle) { MP4WriterSaveFile(s_mHandle); MP4WriterExit(s_mHandle); } return 0; } JNIEXPORT jint JNICALL Java_Studio_Core_XLinkService_CDK_XMP4boxSetVideoParam(JNIEnv* env, jobject jobt, jint type, jint width, jint height, jint frameRate) { if (s_mHandle == 0 || s_pFilename==0) { return -1; } m_curVideoTimeStamp = 0; m_curAudioTimeStamp = 0; MP4WriterCreateFile(s_mHandle, s_pFilename, type, width, height, frameRate); return 0; } JNIEXPORT jint JNICALL Java_Studio_Core_XLinkService_CDK_XMP4boxWriteData(JNIEnv* env, jobject jobt, jint type, jbyteArray pBuffer, jint bufferSize, jint bKey, jlong nTimeStamp) { if (s_mHandle == NULL) { return -1; } char *p_InBuffer = (char*)(*env)->GetByteArrayElements(env, pBuffer, 0); if (type == 0) //音频 { //return XMP4_RECWriteAudioData(s_mHandle, p_InBuffer, bufferSize); } else if (type == 1) //视频 { return MP4WriterWriteFile(s_mHandle, p_InBuffer, bufferSize, bKey, nTimeStamp); } return 0; } JNIEXPORT jint JNICALL Java_Studio_Core_XLinkService_CDK_XMP4RECReadData(JNIEnv* env, jobject jobt, jint type, jbyteArray pOutBuffer, jintArray nFrameType) { if (s_mHandle == NULL) { return -1; } //char *p_InBuffer = (char*)(*env)->GetByteArrayElements(env, pOutBuffer, 0); //int blen = (*env)->GetArrayLength(env, pOutBuffer); //char *pBuf = (char*)malloc(blen); //int nBufLen = 0; //int nType = 0; //if (type == 0) //音频 //{ // XMP4_RECReadAudioData(s_mHandle, pBuf, &nBufLen, &nType); //} //else if (type == 1) //视频 //{ // XMP4_RECReadVideoData(s_mHandle, pBuf, &nBufLen, &nType); //} //if (nBufLen) //{ // jbyte *jByte = (jbyte*)(pBuf); // (*env)->SetByteArrayRegion(env, pOutBuffer, 0, nBufLen, jByte); // jint type[1]; // type[0] = (jint)nType; // (*env)->SetIntArrayRegion(env, nFrameType, 0, 1, type); //} //free(pBuf); //return nBufLen; return 0; }