C++ (Cpp) MediaMetadataRetriever::setDataSource Examples

Example #1

File: wseemann_media_MediaMetadataRetriever.cpp Project: Leetyle/FFmpegMediaMetadataRetriever

static void wseemann_media_FFmpegMediaMetadataRetriever_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length)
{
    __android_log_write(ANDROID_LOG_VERBOSE, LOG_TAG, "setDataSource");
    MediaMetadataRetriever* retriever = getRetriever(env, thiz);
    if (retriever == 0) {
        jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
        return;
    }
    if (!fileDescriptor) {
        jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
        return;
    }
    int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
    if (offset < 0 || length < 0 || fd < 0) {
        if (offset < 0) {
            __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "negative offset (%lld)", offset);
        }
        if (length < 0) {
            __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "negative length (%lld)", length);
        }
        if (fd < 0) {
            __android_log_write(ANDROID_LOG_ERROR, LOG_TAG, "invalid file descriptor");
        }
        jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
        return;
    }
    process_media_retriever_call(env, retriever->setDataSource(fd, offset, length), "java/lang/RuntimeException", "setDataSource failed");
}

Example #2

static void android_media_MediaMetadataRetriever_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length)
{
    ALOGV("setDataSource Fd");
    MediaMetadataRetriever* retriever = getRetriever(env, thiz);
    if (retriever == 0) {
        jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
        return;
    }
    if (!fileDescriptor) {
        jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
        return;
    }
    int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
    if (offset < 0 || length < 0 || fd < 0) {
        if (offset < 0) {
            ALOGE("negative offset (%lld)", offset);
        }
        if (length < 0) {
            ALOGE("negative length (%lld)", length);
        }
        if (fd < 0) {
            ALOGE("invalid file descriptor");
        }
        jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
        return;
    }
    process_media_retriever_call(env, retriever->setDataSource(fd, offset, length), "java/lang/RuntimeException", "setDataSource failed");
}

Example #3

static void
android_media_MediaMetadataRetriever_setDataSourceAndHeaders(
        JNIEnv *env, jobject thiz, jstring path,
        jobjectArray keys, jobjectArray values) {

    ALOGV("setDataSource Path");
    MediaMetadataRetriever* retriever = getRetriever(env, thiz);
    if (retriever == 0) {
        jniThrowException(
                env,
                "java/lang/IllegalStateException", "No retriever available");

        return;
    }

    if (!path) {
        jniThrowException(
                env, "java/lang/IllegalArgumentException", "Null pointer");

        return;
    }

    const char *tmp = env->GetStringUTFChars(path, NULL);
    if (!tmp) {  // OutOfMemoryError exception already thrown
        return;
    }

    String8 pathStr(tmp);
    env->ReleaseStringUTFChars(path, tmp);
    tmp = NULL;

    // Don't let somebody trick us in to reading some random block of memory
    if (strncmp("mem://", pathStr.string(), 6) == 0) {
        jniThrowException(
                env, "java/lang/IllegalArgumentException", "Invalid pathname");
        return;
    }

    // We build a similar KeyedVector out of it.
    KeyedVector<String8, String8> headersVector;
    if (!ConvertKeyValueArraysToKeyedVector(
            env, keys, values, &headersVector)) {
        return;
    }
    process_media_retriever_call(
            env,
            retriever->setDataSource(
                pathStr.string(), headersVector.size() > 0 ? &headersVector : NULL),

            "java/lang/RuntimeException",
            "setDataSource failed");
}

Example #4

File: wseemann_media_MediaMetadataRetriever.cpp Project: Leetyle/FFmpegMediaMetadataRetriever

static void
wseemann_media_FFmpegMediaMetadataRetriever_setDataSourceAndHeaders(
        JNIEnv *env, jobject thiz, jstring path,
        jobjectArray keys, jobjectArray values) {
	
	__android_log_write(ANDROID_LOG_VERBOSE, LOG_TAG, "setDataSource");
    MediaMetadataRetriever* retriever = getRetriever(env, thiz);
    if (retriever == 0) {
        jniThrowException(env, "java/lang/IllegalStateException", "No retriever available");
        return;
    }

    if (!path) {
        jniThrowException(env, "java/lang/IllegalArgumentException", "Null pointer");
        return;
    }

    const char *tmp = env->GetStringUTFChars(path, NULL);
    if (!tmp) {  // OutOfMemoryError exception already thrown
        return;
    }

    // Don't let somebody trick us in to reading some random block of memory
    if (strncmp("mem://", tmp, 6) == 0) {
        jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid pathname");
        return;
    }

    // Workaround for FFmpeg ticket #998
    // "must convert mms://... streams to mmsh://... for FFmpeg to work"
    char *restrict_to = strstr(tmp, "mms://");
    if (restrict_to) {
    	strncpy(restrict_to, "mmsh://", 6);
    	puts(tmp);
    }

    char *headers = NULL;
    
    if (keys && values != NULL) {
        int keysCount = env->GetArrayLength(keys);
        int valuesCount = env->GetArrayLength(values);
        
        if (keysCount != valuesCount) {
            __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, "keys and values arrays have different length");
            jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
            return;
        }
        
        int i = 0;
        const char *rawString = NULL;
        char hdrs[2048];
        
        for (i = 0; i < keysCount; i++) {
            jstring key = (jstring) env->GetObjectArrayElement(keys, i);
            rawString = env->GetStringUTFChars(key, NULL);
            strcat(hdrs, rawString);
            strcat(hdrs, ": ");
            env->ReleaseStringUTFChars(key, rawString);
            
            jstring value = (jstring) env->GetObjectArrayElement(values, i);
            rawString = env->GetStringUTFChars(value, NULL);
            strcat(hdrs, rawString);
            strcat(hdrs, "\r\n");
            env->ReleaseStringUTFChars(value, rawString);
        }
        
        headers = &hdrs[0];
    }

    process_media_retriever_call(
            env,
            retriever->setDataSource(tmp, headers),
            "java/lang/IllegalArgumentException",
            "setDataSource failed");

    env->ReleaseStringUTFChars(path, tmp);
    tmp = NULL;
}