android.media.MediaCodecList# getCodecInfos ( ) 源码实例Demo

下面列出了android.media.MediaCodecList# getCodecInfos ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： GPUVideo-android 文件： MediaVideoEncoder.java


/**
 * select the first codec that match a specific MIME type
 *
 * @param mimeType
 * @return null if no codec matched
 */
private static MediaCodecInfo selectVideoCodec(final String mimeType) {
    Log.v(TAG, "selectVideoCodec:");

    // get the list of available codecs
    MediaCodecList list = new MediaCodecList(MediaCodecList.ALL_CODECS);
    MediaCodecInfo[] codecInfos = list.getCodecInfos();

    final int numCodecs = codecInfos.length;
    for (int i = 0; i < numCodecs; i++) {
        final MediaCodecInfo codecInfo = codecInfos[i];

        if (!codecInfo.isEncoder()) {    // skipp decoder
            continue;
        }
        // select first codec that match a specific MIME type and color format
        final String[] types = codecInfo.getSupportedTypes();
        for (int j = 0; j < types.length; j++) {
            if (types[j].equalsIgnoreCase(mimeType)) {
                Log.i(TAG, "codec:" + codecInfo.getName() + ",MIME=" + types[j]);
                final int format = selectColorFormat(codecInfo, mimeType);
                if (format > 0) {
                    return codecInfo;
                }
            }
        }
    }
    return null;
}

源代码2 项目： SoloPi 文件： VideoUtils.java


/**
 * Find an encoder supported specified MIME type
 *
 * @return Returns empty array if not found any encoder supported specified MIME type
 */
public static MediaCodecInfo[] findEncodersByType(String mimeType) {
    MediaCodecList codecList = new MediaCodecList(MediaCodecList.ALL_CODECS);
    List<MediaCodecInfo> infos = new ArrayList<>();
    for (MediaCodecInfo info : codecList.getCodecInfos()) {
        if (!info.isEncoder()) {
            continue;
        }
        try {
            MediaCodecInfo.CodecCapabilities cap = info.getCapabilitiesForType(mimeType);
            if (cap == null) continue;
        } catch (IllegalArgumentException e) {
            // unsupported
            continue;
        }
        infos.add(info);
    }

    return infos.toArray(new MediaCodecInfo[infos.size()]);
}

源代码3 项目： LiTr 文件： DeviceUtil.java


@NonNull
public static String getAvcDecoderCapabilities(@NonNull Context context) {
    StringBuilder codecListStr = new StringBuilder();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        MediaCodecList mediaCodecList = new MediaCodecList(MediaCodecList.ALL_CODECS);
        for (MediaCodecInfo mediaCodecInfo: mediaCodecList.getCodecInfos()) {
            String codecName = mediaCodecInfo.getName().toLowerCase(Locale.ROOT); {
                if ((codecName.contains(TYPE_AVC) || codecName.contains(TYPE_H264)) && codecName.contains(TYPE_DECODER)) {
                    codecListStr.append(printCodecCapabilities(context, mediaCodecInfo));
                }
            }
        }
    }

    return codecListStr.toString();
}

源代码4 项目： ScreenCapture 文件： Utils.java


/**
 * Find an encoder supported specified MIME type
 *
 * @return Returns empty array if not found any encoder supported specified MIME type
 */
public static MediaCodecInfo[] findEncodersByType(String mimeType) {
    MediaCodecList codecList = new MediaCodecList(MediaCodecList.ALL_CODECS);
    List<MediaCodecInfo> infos = new ArrayList<>();
    for (MediaCodecInfo info : codecList.getCodecInfos()) {
        if (!info.isEncoder()) {
            continue;
        }
        try {
            MediaCodecInfo.CodecCapabilities cap = info.getCapabilitiesForType(mimeType);
            if (cap == null) continue;
        } catch (IllegalArgumentException e) {
            // unsupported
            continue;
        }
        infos.add(info);
    }

    return infos.toArray(new MediaCodecInfo[infos.size()]);
}

源代码5 项目： AlexaAndroid 文件： AudioUtils.java


@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static List<String> getAvailableEncoders(int sampleRate) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        MediaFormat format = MediaFormatFactory.createMediaFormat(MediaFormatFactory.Type.FLAC, sampleRate);
        MediaCodecList mcl = new MediaCodecList(MediaCodecList.REGULAR_CODECS);
        String encoderAsStr = mcl.findEncoderForFormat(format);
        List<String> encoders = new ArrayList<>();
        for (MediaCodecInfo info : mcl.getCodecInfos()) {
            if (info.isEncoder()) {
                if (info.getName().equals(encoderAsStr)) {
                    encoders.add("*** " + info.getName() + ": " + TextUtils.join(", ", info.getSupportedTypes()));
                } else {
                    encoders.add(info.getName() + ": " + TextUtils.join(", ", info.getSupportedTypes()));
                }
            }
        }
        return encoders;
    }
    return Collections.emptyList();
}

源代码6 项目： AlexaAndroid 文件： AudioUtils.java


@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static List<String> getAvailableEncoders(int sampleRate) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        MediaFormat format = MediaFormatFactory.createMediaFormat(MediaFormatFactory.Type.FLAC, sampleRate);
        MediaCodecList mcl = new MediaCodecList(MediaCodecList.REGULAR_CODECS);
        String encoderAsStr = mcl.findEncoderForFormat(format);
        List<String> encoders = new ArrayList<>();
        for (MediaCodecInfo info : mcl.getCodecInfos()) {
            if (info.isEncoder()) {
                if (info.getName().equals(encoderAsStr)) {
                    encoders.add("*** " + info.getName() + ": " + TextUtils.join(", ", info.getSupportedTypes()));
                } else {
                    encoders.add(info.getName() + ": " + TextUtils.join(", ", info.getSupportedTypes()));
                }
            }
        }
        return encoders;
    }
    return Collections.emptyList();
}

源代码7 项目： speechutils 文件： AudioUtils.java


@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static List<String> getAvailableEncoders(String mime, int sampleRate) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        MediaFormat format = MediaFormatFactory.createMediaFormat(mime, sampleRate);
        MediaCodecList mcl = new MediaCodecList(MediaCodecList.REGULAR_CODECS);
        String encoderAsStr = mcl.findEncoderForFormat(format);
        List<String> encoders = new ArrayList<>();
        for (MediaCodecInfo info : mcl.getCodecInfos()) {
            if (info.isEncoder()) {
                String name = info.getName();
                String infoAsStr = name + ": " + TextUtils.join(", ", info.getSupportedTypes());
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                    infoAsStr += String.format(": %s/%s/%s/%s", info.isHardwareAccelerated(), info.isSoftwareOnly(), info.isAlias(), info.isVendor());
                }
                if (name.equals(encoderAsStr)) {
                    infoAsStr = '#' + infoAsStr;
                }
                encoders.add(infoAsStr);
            }
        }
        return encoders;
    }
    return Collections.emptyList();
}

源代码8 项目： LiTr 文件： DeviceUtil.java


@NonNull
public static String getCodecList() {
    StringBuilder codecListStr = new StringBuilder();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        MediaCodecList mediaCodecList = new MediaCodecList(MediaCodecList.ALL_CODECS);
        for (MediaCodecInfo mediaCodecInfo: mediaCodecList.getCodecInfos()) {
            codecListStr.append(mediaCodecInfo.getName());
            codecListStr.append('\n');
        }
    }

    return codecListStr.toString();
}

源代码9 项目： LiTr 文件： DeviceUtil.java


@NonNull
public static String getAvcEncoderCapabilities(@NonNull Context context) {
    StringBuilder codecListStr = new StringBuilder();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        MediaCodecList mediaCodecList = new MediaCodecList(MediaCodecList.ALL_CODECS);
        for (MediaCodecInfo mediaCodecInfo : mediaCodecList.getCodecInfos()) {
            String codecName = mediaCodecInfo.getName().toLowerCase(Locale.ROOT);
            if ((codecName.contains(TYPE_AVC) || codecName.contains(TYPE_H264)) && codecName.contains(TYPE_ENCODER)) {
                codecListStr.append(printCodecCapabilities(context, mediaCodecInfo));
            }
        }
    }

    return codecListStr.toString();
}

源代码10 项目： jellyfin-androidtv 文件： MediaCodecCapabilitiesTest.java


private boolean supports(
        String mime, boolean isEncoder, int profile, int level) {
    MediaCodecList mcl = new MediaCodecList(MediaCodecList.REGULAR_CODECS);
    for (MediaCodecInfo info : mcl.getCodecInfos()) {
        if (isEncoder != info.isEncoder()) {
            continue;
        }
        try {
            MediaCodecInfo.CodecCapabilities caps = info.getCapabilitiesForType(mime);
            for (MediaCodecInfo.CodecProfileLevel pl : caps.profileLevels) {
                if (pl.profile != profile) {
                    continue;
                }
                // H.263 levels are not completely ordered:
                // Level45 support only implies Level10 support
                if (mime.equalsIgnoreCase(MIMETYPE_VIDEO_H263)) {
                    if (pl.level != level && pl.level == H263Level45 && level > H263Level10) {
                        continue;
                    }
                }
                if (pl.level >= level) {
                    return true;
                }
            }
        } catch (IllegalArgumentException e) {
            Timber.e(e);
        }
    }
    return false;
}

源代码11 项目： CameraRecorder-android 文件： MediaVideoEncoder.java


/**
 * select the first codec that match a specific MIME type
 *
 * @param mimeType
 * @return null if no codec matched
 */
private static MediaCodecInfo selectVideoCodec(final String mimeType) {
    Log.v(TAG, "selectVideoCodec:");

    // get the list of available codecs
    MediaCodecList list = new MediaCodecList(MediaCodecList.ALL_CODECS);
    MediaCodecInfo[] codecInfos = list.getCodecInfos();

    final int numCodecs = codecInfos.length;
    for (int i = 0; i < numCodecs; i++) {
        final MediaCodecInfo codecInfo = codecInfos[i];

        if (!codecInfo.isEncoder()) {    // skipp decoder
            continue;
        }
        // select first codec that match a specific MIME type and color format
        final String[] types = codecInfo.getSupportedTypes();
        for (int j = 0; j < types.length; j++) {
            if (types[j].equalsIgnoreCase(mimeType)) {
                Log.i(TAG, "codec:" + codecInfo.getName() + ",MIME=" + types[j]);
                final int format = selectColorFormat(codecInfo, mimeType);
                if (format > 0) {
                    return codecInfo;
                }
            }
        }
    }
    return null;
}

源代码12 项目： rtmp-rtsp-stream-client-java 文件： CodecUtil.java


public static List<MediaCodecInfo> getAllCodecs(boolean filterBroken) {
  List<MediaCodecInfo> mediaCodecInfoList = new ArrayList<>();
  if (Build.VERSION.SDK_INT >= 21) {
    MediaCodecList mediaCodecList = new MediaCodecList(MediaCodecList.ALL_CODECS);
    MediaCodecInfo[] mediaCodecInfos = mediaCodecList.getCodecInfos();
    mediaCodecInfoList.addAll(Arrays.asList(mediaCodecInfos));
  } else {
    int count = MediaCodecList.getCodecCount();
    for (int i = 0; i < count; i++) {
      MediaCodecInfo mci = MediaCodecList.getCodecInfoAt(i);
      mediaCodecInfoList.add(mci);
    }
  }
  return filterBroken ? filterBrokenCodecs(mediaCodecInfoList) : mediaCodecInfoList;
}

方法所在类

android.media.MediaCodecList