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Android使用FFmpeg實(shí)現(xiàn)視頻解碼的全流程指南

 更新時(shí)間:2025年05月09日 09:27:11   作者:追隨遠(yuǎn)方  
這篇文章主要為大家詳細(xì)介紹了在Android平臺(tái)上使用FFmpeg進(jìn)行高效視頻解碼的實(shí)現(xiàn)方案,采用面向?qū)ο蟮脑O(shè)計(jì)思想,文中的示例代碼講解詳細(xì),有需要的小伙伴可以了解下

一、架構(gòu)設(shè)計(jì)

1.1 整體架構(gòu)

采用三層架構(gòu)設(shè)計(jì):

• 應(yīng)用層:提供用戶接口和UI展示

• 業(yè)務(wù)邏輯層:管理解碼流程和狀態(tài)

• Native層:FFmpeg核心解碼實(shí)現(xiàn)

1.2 狀態(tài)管理方案

使用靜態(tài)常量替代枚舉類:

public class DecodeState {
    public static final int STATE_IDLE = 0;
    public static final int STATE_PREPARING = 1;
    public static final int STATE_READY = 2;
    public static final int STATE_DECODING = 3;
    public static final int STATE_PAUSED = 4;
    public static final int STATE_STOPPED = 5;
    public static final int STATE_ERROR = 6;
}

二、核心類實(shí)現(xiàn)

2.1 視頻幀數(shù)據(jù)封裝類

public class VideoFrame {
    private final byte[] videoData;
    private final int width;
    private final int height;
    private final long pts;
    private final int format;
    private final int rotation;
    
    public VideoFrame(byte[] videoData, int width, int height, long pts, int format, int rotation) {
        this.videoData = videoData;
        this.width = width;
        this.height = height;
        this.pts = pts;
        this.format = format;
        this.rotation = rotation;
    }
    
    // Getter方法
    public byte[] getVideoData() {
        return videoData;
    }
    
    public int getWidth() {
        return width;
    }
    
    public int getHeight() {
        return height;
    }
    
    public long getPts() {
        return pts;
    }
    
    public int getFormat() {
        return format;
    }
    
    public int getRotation() {
        return rotation;
    }
    
    // 轉(zhuǎn)換為Bitmap
    public Bitmap toBitmap() {
        YuvImage yuvImage = new YuvImage(videoData, ImageFormat.NV21, width, height, null);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        yuvImage.compressToJpeg(new Rect(0, 0, width, height), 100, os);
        byte[] jpegByteArray = os.toByteArray();
        Bitmap bitmap = BitmapFactory.decodeByteArray(jpegByteArray, 0, jpegByteArray.length);
        
        // 處理旋轉(zhuǎn)
        if (rotation != 0) {
            Matrix matrix = new Matrix();
            matrix.postRotate(rotation);
            bitmap = Bitmap.createBitmap(bitmap, 0, 0, 
                                      bitmap.getWidth(), bitmap.getHeight(), 
                                      matrix, true);
        }
        
        return bitmap;
    }
}

2.2 視頻解碼器封裝類

public class VideoDecoder {
    // 解碼狀態(tài)常量
    public static final int STATE_IDLE = 0;
    public static final int STATE_PREPARING = 1;
    public static final int STATE_READY = 2;
    public static final int STATE_DECODING = 3;
    public static final int STATE_PAUSED = 4;
    public static final int STATE_STOPPED = 5;
    public static final int STATE_ERROR = 6;
    
    // 錯(cuò)誤碼常量
    public static final int ERROR_CODE_FILE_NOT_FOUND = 1001;
    public static final int ERROR_CODE_UNSUPPORTED_FORMAT = 1002;
    public static final int ERROR_CODE_DECODE_FAILED = 1003;
    
    private volatile int currentState = STATE_IDLE;
    private long nativeHandle;
    private Handler mainHandler;
    
    public interface DecodeListener {
        void onFrameDecoded(VideoFrame frame);
        void onDecodeFinished();
        void onErrorOccurred(int errorCode, String message);
        void onStateChanged(int newState);
    }
    
    public VideoDecoder() {
        nativeHandle = nativeInit();
        mainHandler = new Handler(Looper.getMainLooper());
    }
    
    public void prepare(String filePath) {
        if (currentState != STATE_IDLE) {
            notifyError(ERROR_CODE_DECODE_FAILED, "Decoder is not in idle state");
            return;
        }
        
        setState(STATE_PREPARING);
        
        new Thread(() -> {
            boolean success = nativePrepare(nativeHandle, filePath);
            if (success) {
                setState(STATE_READY);
            } else {
                setState(STATE_ERROR);
                notifyError(ERROR_CODE_FILE_NOT_FOUND, "Failed to prepare decoder");
            }
        }).start();
    }
    
    public void startDecoding(DecodeListener listener) {
        if (currentState != STATE_READY && currentState != STATE_PAUSED) {
            notifyError(ERROR_CODE_DECODE_FAILED, "Decoder is not ready");
            return;
        }
        
        setState(STATE_DECODING);
        
        new Thread(() -> {
            nativeStartDecoding(nativeHandle, listener);
            setState(STATE_STOPPED);
        }).start();
    }
    
    public void pause() {
        if (currentState == STATE_DECODING) {
            setState(STATE_PAUSED);
            nativePause(nativeHandle);
        }
    }
    
    public void resume() {
        if (currentState == STATE_PAUSED) {
            setState(STATE_DECODING);
            nativeResume(nativeHandle);
        }
    }
    
    public void stop() {
        setState(STATE_STOPPED);
        nativeStop(nativeHandle);
    }
    
    public void release() {
        setState(STATE_STOPPED);
        nativeRelease(nativeHandle);
        nativeHandle = 0;
    }
    
    public int getCurrentState() {
        return currentState;
    }
    
    private void setState(int newState) {
        currentState = newState;
        mainHandler.post(() -> {
            if (listener != null) {
                listener.onStateChanged(newState);
            }
        });
    }
    
    private void notifyError(int errorCode, String message) {
        mainHandler.post(() -> {
            if (listener != null) {
                listener.onErrorOccurred(errorCode, message);
            }
        });
    }
    
    // Native方法
    private native long nativeInit();
    private native boolean nativePrepare(long handle, String filePath);
    private native void nativeStartDecoding(long handle, DecodeListener listener);
    private native void nativePause(long handle);
    private native void nativeResume(long handle);
    private native void nativeStop(long handle);
    private native void nativeRelease(long handle);
    
    static {
        System.loadLibrary("avcodec");
        System.loadLibrary("avformat");
        System.loadLibrary("avutil");
        System.loadLibrary("swscale");
        System.loadLibrary("ffmpeg-wrapper");
    }
}

三、Native層實(shí)現(xiàn)

3.1 上下文結(jié)構(gòu)體

typedef struct {
    AVFormatContext *format_ctx;
    AVCodecContext *codec_ctx;
    int video_stream_idx;
    SwsContext *sws_ctx;
    volatile int is_decoding;
    volatile int is_paused;
    int video_width;
    int video_height;
    int rotation;
} VideoDecodeContext;

3.2 JNI接口實(shí)現(xiàn)

// 初始化解碼器
JNIEXPORT jlong JNICALL
Java_com_example_VideoDecoder_nativeInit(JNIEnv *env, jobject thiz) {
    VideoDecodeContext *ctx = (VideoDecodeContext *)malloc(sizeof(VideoDecodeContext));
    memset(ctx, 0, sizeof(VideoDecodeContext));
    ctx->is_decoding = 0;
    ctx->is_paused = 0;
    ctx->rotation = 0;
    return (jlong)ctx;
}

// 準(zhǔn)備解碼器
JNIEXPORT jboolean JNICALL
Java_com_example_VideoDecoder_nativePrepare(JNIEnv *env, jobject thiz, 
                                          jlong handle, jstring file_path) {
    VideoDecodeContext *ctx = (VideoDecodeContext *)handle;
    const char *path = (*env)->GetStringUTFChars(env, file_path, NULL);
    
    // 打開媒體文件
    if (avformat_open_input(&ctx->format_ctx, path, NULL, NULL) != 0) {
        LOGE("Could not open file: %s", path);
        (*env)->ReleaseStringUTFChars(env, file_path, path);
        return JNI_FALSE;
    }
    
    // 獲取流信息
    if (avformat_find_stream_info(ctx->format_ctx, NULL) < 0) {
        LOGE("Could not find stream information");
        (*env)->ReleaseStringUTFChars(env, file_path, path);
        avformat_close_input(&ctx->format_ctx);
        return JNI_FALSE;
    }
    
    // 查找視頻流
    ctx->video_stream_idx = -1;
    for (int i = 0; i < ctx->format_ctx->nb_streams; i++) {
        if (ctx->format_ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
            ctx->video_stream_idx = i;
            
            // 獲取視頻旋轉(zhuǎn)信息
            AVDictionaryEntry *rotate_tag = av_dict_get(ctx->format_ctx->streams[i]->metadata, 
                                                       "rotate", NULL, 0);
            if (rotate_tag && rotate_tag->value) {
                ctx->rotation = atoi(rotate_tag->value);
            }
            break;
        }
    }
    
    // 檢查是否找到視頻流
    if (ctx->video_stream_idx == -1) {
        LOGE("Could not find video stream");
        (*env)->ReleaseStringUTFChars(env, file_path, path);
        avformat_close_input(&ctx->format_ctx);
        return JNI_FALSE;
    }
    
    // 獲取解碼器參數(shù)
    AVCodecParameters *codec_params = ctx->format_ctx->streams[ctx->video_stream_idx]->codecpar;
    AVCodec *decoder = avcodec_find_decoder(codec_params->codec_id);
    if (!decoder) {
        LOGE("Unsupported codec");
        (*env)->ReleaseStringUTFChars(env, file_path, path);
        avformat_close_input(&ctx->format_ctx);
        return JNI_FALSE;
    }
    
    // 創(chuàng)建解碼上下文
    ctx->codec_ctx = avcodec_alloc_context3(decoder);
    avcodec_parameters_to_context(ctx->codec_ctx, codec_params);
    
    // 打開解碼器
    if (avcodec_open2(ctx->codec_ctx, decoder, NULL) < 0) {
        LOGE("Could not open codec");
        (*env)->ReleaseStringUTFChars(env, file_path, path);
        avcodec_free_context(&ctx->codec_ctx);
        avformat_close_input(&ctx->format_ctx);
        return JNI_FALSE;
    }
    
    // 保存視頻尺寸
    ctx->video_width = ctx->codec_ctx->width;
    ctx->video_height = ctx->codec_ctx->height;
    
    (*env)->ReleaseStringUTFChars(env, file_path, path);
    return JNI_TRUE;
}

3.3 核心解碼邏輯

// 開始解碼
JNIEXPORT void JNICALL
Java_com_example_VideoDecoder_nativeStartDecoding(JNIEnv *env, jobject thiz, 
                                                jlong handle, jobject listener) {
    VideoDecodeContext *ctx = (VideoDecodeContext *)handle;
    ctx->is_decoding = 1;
    ctx->is_paused = 0;
    
    // 獲取Java回調(diào)方法和類
    jclass listener_class = (*env)->GetObjectClass(env, listener);
    jmethodID on_frame_method = (*env)->GetMethodID(env, listener_class, 
                                                  "onFrameDecoded", 
                                                  "(Lcom/example/VideoFrame;)V");
    jmethodID on_finish_method = (*env)->GetMethodID(env, listener_class, 
                                                   "onDecodeFinished", "()V");
    jmethodID on_error_method = (*env)->GetMethodID(env, listener_class, 
                                                  "onErrorOccurred", "(ILjava/lang/String;)V");
    
    // 分配幀和包
    AVFrame *frame = av_frame_alloc();
    AVFrame *rgb_frame = av_frame_alloc();
    AVPacket *packet = av_packet_alloc();
    
    // 準(zhǔn)備圖像轉(zhuǎn)換上下文 (轉(zhuǎn)換為RGB24)
    ctx->sws_ctx = sws_getContext(
        ctx->video_width, ctx->video_height, ctx->codec_ctx->pix_fmt,
        ctx->video_width, ctx->video_height, AV_PIX_FMT_RGB24,
        SWS_BILINEAR, NULL, NULL, NULL);
    
    if (!ctx->sws_ctx) {
        (*env)->CallVoidMethod(env, listener, on_error_method, 
                             VideoDecoder.ERROR_CODE_DECODE_FAILED,
                             (*env)->NewStringUTF(env, "Could not initialize sws context"));
        goto end;
    }
    
    // 分配RGB緩沖區(qū)
    int rgb_buffer_size = av_image_get_buffer_size(AV_PIX_FMT_RGB24, 
                                                  ctx->video_width, 
                                                  ctx->video_height, 1);
    uint8_t *rgb_buffer = (uint8_t *)av_malloc(rgb_buffer_size);
    av_image_fill_arrays(rgb_frame->data, rgb_frame->linesize, rgb_buffer,
                        AV_PIX_FMT_RGB24, ctx->video_width, 
                        ctx->video_height, 1);
    
    // 解碼循環(huán)
    while (ctx->is_decoding && av_read_frame(ctx->format_ctx, packet) >= 0) {
        if (packet->stream_index == ctx->video_stream_idx) {
            // 發(fā)送到解碼器
            if (avcodec_send_packet(ctx->codec_ctx, packet) == 0) {
                // 接收解碼后的幀
                while (avcodec_receive_frame(ctx->codec_ctx, frame) == 0) {
                    if (!ctx->is_decoding) break;
                    
                    // 等待暫停狀態(tài)結(jié)束
                    while (ctx->is_paused && ctx->is_decoding) {
                        usleep(10000); // 10ms
                    }
                    
                    if (!ctx->is_decoding) break;
                    
                    // 轉(zhuǎn)換像素格式
                    sws_scale(ctx->sws_ctx, (const uint8_t *const *)frame->data,
                             frame->linesize, 0, ctx->video_height,
                             rgb_frame->data, rgb_frame->linesize);
                    
                    // 創(chuàng)建Java VideoFrame對(duì)象
                    jclass frame_class = (*env)->FindClass(env, "com/example/VideoFrame");
                    jmethodID frame_ctor = (*env)->GetMethodID(env, frame_class, 
                                                              "<init>", "([BIIJI)V");
                    
                    // 創(chuàng)建字節(jié)數(shù)組
                    jbyteArray rgb_array = (*env)->NewByteArray(env, rgb_buffer_size);
                    (*env)->SetByteArrayRegion(env, rgb_array, 0, rgb_buffer_size, 
                                             (jbyte *)rgb_buffer);
                    
                    // 創(chuàng)建VideoFrame對(duì)象
                    jobject video_frame = (*env)->NewObject(env, frame_class, frame_ctor,
                                                          rgb_array, 
                                                          ctx->video_width,
                                                          ctx->video_height,
                                                          frame->pts,
                                                          AV_PIX_FMT_RGB24,
                                                          ctx->rotation);
                    
                    // 回調(diào)到Java層
                    (*env)->CallVoidMethod(env, listener, on_frame_method, video_frame);
                    
                    // 釋放本地引用
                    (*env)->DeleteLocalRef(env, video_frame);
                    (*env)->DeleteLocalRef(env, rgb_array);
                }
            }
        }
        av_packet_unref(packet);
    }
    
    // 解碼完成回調(diào)
    if (ctx->is_decoding) {
        (*env)->CallVoidMethod(env, listener, on_finish_method);
    }
    
end:
    // 釋放資源
    if (rgb_buffer) av_free(rgb_buffer);
    if (ctx->sws_ctx) sws_freeContext(ctx->sws_ctx);
    av_frame_free(&frame);
    av_frame_free(&rgb_frame);
    av_packet_free(&packet);
}

四、使用示例

public class VideoPlayerActivity extends AppCompatActivity 
    implements VideoDecoder.DecodeListener {
    
    private VideoDecoder videoDecoder;
    private ImageView videoView;
    private Button btnPlay, btnPause, btnStop;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_video_player);
        
        videoView = findViewById(R.id.video_view);
        btnPlay = findViewById(R.id.btn_play);
        btnPause = findViewById(R.id.btn_pause);
        btnStop = findViewById(R.id.btn_stop);
        
        videoDecoder = new VideoDecoder();
        
        // 準(zhǔn)備視頻文件
        String videoPath = getExternalFilesDir(null) + "/test.mp4";
        
        // 設(shè)置按鈕點(diǎn)擊監(jiān)聽
        btnPlay.setOnClickListener(v -> {
            if (videoDecoder.getCurrentState() == VideoDecoder.STATE_READY || 
                videoDecoder.getCurrentState() == VideoDecoder.STATE_PAUSED) {
                videoDecoder.startDecoding(this);
            } else if (videoDecoder.getCurrentState() == VideoDecoder.STATE_IDLE) {
                videoDecoder.prepare(videoPath);
            }
        });
        
        btnPause.setOnClickListener(v -> {
            if (videoDecoder.getCurrentState() == VideoDecoder.STATE_DECODING) {
                videoDecoder.pause();
            }
        });
        
        btnStop.setOnClickListener(v -> {
            if (videoDecoder.getCurrentState() != VideoDecoder.STATE_IDLE && 
                videoDecoder.getCurrentState() != VideoDecoder.STATE_STOPPED) {
                videoDecoder.stop();
            }
        });
    }
    
    @Override
    public void onFrameDecoded(VideoFrame frame) {
        runOnUiThread(() -> {
            Bitmap bitmap = frame.toBitmap();
            videoView.setImageBitmap(bitmap);
        });
    }
    
    @Override
    public void onDecodeFinished() {
        runOnUiThread(() -> {
            Toast.makeText(this, "解碼完成", Toast.LENGTH_SHORT).show();
            videoView.setImageBitmap(null);
        });
    }
    
    @Override
    public void onErrorOccurred(int errorCode, String message) {
        runOnUiThread(() -> {
            String errorMsg = "錯(cuò)誤(" + errorCode + "): " + message;
            Toast.makeText(this, errorMsg, Toast.LENGTH_LONG).show();
        });
    }
    
    @Override
    public void onStateChanged(int newState) {
        runOnUiThread(() -> updateUI(newState));
    }
    
    private void updateUI(int state) {
        btnPlay.setEnabled(state == VideoDecoder.STATE_READY || 
                         state == VideoDecoder.STATE_PAUSED ||
                         state == VideoDecoder.STATE_IDLE);
        
        btnPause.setEnabled(state == VideoDecoder.STATE_DECODING);
        btnStop.setEnabled(state == VideoDecoder.STATE_DECODING || 
                         state == VideoDecoder.STATE_PAUSED);
    }
    
    @Override
    protected void onDestroy() {
        super.onDestroy();
        videoDecoder.release();
    }
}

五、性能優(yōu)化建議

使用Surface直接渲染:

• 通過ANativeWindow直接渲染YUV數(shù)據(jù),避免格式轉(zhuǎn)換

• 減少內(nèi)存拷貝和Bitmap創(chuàng)建開銷

硬解碼優(yōu)先:

// 在nativePrepare中檢測(cè)硬件解碼器
AVCodec *decoder = NULL;
if (isHardwareDecodeSupported(codec_id)) {
    decoder = avcodec_find_decoder_by_name("h264_mediacodec");
}
if (!decoder) {
    decoder = avcodec_find_decoder(codec_id);
}

幀緩沖隊(duì)列優(yōu)化:

• 實(shí)現(xiàn)生產(chǎn)者-消費(fèi)者模型

• 設(shè)置合理的隊(duì)列大小(3-5幀)

• 丟幀策略處理視頻不同步問題

多線程處理:

• 分離解碼線程和渲染線程

• 使用線程池處理耗時(shí)操作

內(nèi)存復(fù)用:

// 復(fù)用AVPacket和AVFrame
static AVPacket *reuse_packet = NULL;
if (!reuse_packet) {
    reuse_packet = av_packet_alloc();
} else {
    av_packet_unref(reuse_packet);
}

精準(zhǔn)幀率控制:

// 根據(jù)幀率控制解碼速度
AVRational frame_rate = ctx->format_ctx->streams[ctx->video_stream_idx]->avg_frame_rate;
double frame_delay = av_q2d(av_inv_q(frame_rate)) * 1000000; // 微秒

int64_t last_frame_time = av_gettime();
while (decoding) {
    // ...解碼邏輯...
    
    int64_t current_time = av_gettime();
    int64_t elapsed = current_time - last_frame_time;
    if (elapsed < frame_delay) {
        usleep(frame_delay - elapsed);
    }
    last_frame_time = av_gettime();
}

低功耗優(yōu)化:

• 根據(jù)設(shè)備溫度調(diào)整解碼策略

• 在后臺(tái)時(shí)降低幀率或暫停解碼

六、兼容性處理

API版本適配:

private static boolean isSurfaceTextureSupported() {
    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
}

權(quán)限處理:

private boolean checkStoragePermission() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        return checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) 
               == PackageManager.PERMISSION_GRANTED;
    }
    return true;
}

ABI兼容:

android {
    defaultConfig {
        ndk {
            abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
        }
    }
}

七、錯(cuò)誤處理與日志

完善的錯(cuò)誤處理:

public void onErrorOccurred(int errorCode, String message) {
    switch (errorCode) {
        case VideoDecoder.ERROR_CODE_FILE_NOT_FOUND:
            // 處理文件不存在錯(cuò)誤
            break;
        case VideoDecoder.ERROR_CODE_UNSUPPORTED_FORMAT:
            // 處理不支持的格式錯(cuò)誤
            break;
        default:
            // 處理未知錯(cuò)誤
    }
}

日志系統(tǒng):

#define LOG_LEVEL_VERBOSE 1
#define LOG_LEVEL_DEBUG   2
#define LOG_LEVEL_INFO    3
#define LOG_LEVEL_WARN    4
#define LOG_LEVEL_ERROR   5

void log_print(int level, const char *tag, const char *fmt, ...) {
    if (level >= CURRENT_LOG_LEVEL) {
        va_list args;
        va_start(args, fmt);
        __android_log_vprint(level, tag, fmt, args);
        va_end(args);
    }
}

八、擴(kuò)展功能

視頻信息獲?。?/p>

public class VideoInfo {
    public int width;
    public int height;
    public long duration;
    public float frameRate;
    public int rotation;
}

// 在VideoDecoder中添加方法
public VideoInfo getVideoInfo() {
    return nativeGetVideoInfo(nativeHandle);
}

視頻截圖功能:

public Bitmap captureFrame() {
    if (currentState == STATE_DECODING || currentState == STATE_PAUSED) {
        return nativeCaptureFrame(nativeHandle);
    }
    return null;
}

視頻縮放控制:

// 在native層實(shí)現(xiàn)縮放
sws_scale(ctx->sws_ctx, frame->data, frame->linesize, 
         0, ctx->video_height, 
         scaled_frame->data, scaled_frame->linesize);

九、測(cè)試建議

單元測(cè)試:

@Test
public void testDecoderStates() {
    VideoDecoder decoder = new VideoDecoder();
    assertEquals(VideoDecoder.STATE_IDLE, decoder.getCurrentState());
    
    decoder.prepare("test.mp4");
    // 等待準(zhǔn)備完成
    assertEquals(VideoDecoder.STATE_READY, decoder.getCurrentState());
}

性能測(cè)試:

long startTime = System.currentTimeMillis();
// 執(zhí)行解碼操作
long endTime = System.currentTimeMillis();
Log.d("Performance", "解碼耗時(shí): " + (endTime - startTime) + "ms");

內(nèi)存泄漏檢測(cè):

• 使用Android Profiler監(jiān)控內(nèi)存使用

• 重復(fù)創(chuàng)建釋放解碼器檢查內(nèi)存增長(zhǎng)

十、總結(jié)

本文實(shí)現(xiàn)的Android FFmpeg視頻解碼方案具有以下特點(diǎn):

  • 高性能:通過Native層優(yōu)化和合理的內(nèi)存管理實(shí)現(xiàn)高效解碼
  • 高兼容性:避免使用枚舉類,支持廣泛的Android設(shè)備
  • 可擴(kuò)展性:模塊化設(shè)計(jì)便于添加新功能
  • 穩(wěn)定性:完善的狀態(tài)管理和錯(cuò)誤處理機(jī)制
  • 易用性:清晰的API接口和完整的文檔

開發(fā)者可以根據(jù)實(shí)際需求在此基礎(chǔ)框架上進(jìn)行擴(kuò)展,如添加音頻解碼、視頻濾鏡等功能,構(gòu)建更完整的媒體播放解決方案。

到此這篇關(guān)于Android使用FFmpeg實(shí)現(xiàn)視頻解碼的全流程指南的文章就介紹到這了,更多相關(guān)Android FFmpeg視頻解碼內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家!

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