MediaProfileReader.java revision 1619367ab823150fa8856d419abe02ceb75886f1 
1package com.android.mediaframeworktest;
2
3import android.media.MediaRecorder;
4import android.os.SystemProperties;
5import java.util.HashMap;
6
7public class MediaProfileReader {
8
9    public static final HashMap<String, Integer>
10    OUTPUT_FORMAT_TABLE = new HashMap<String, Integer>();
11    public static String MEDIA_ENC_VID = "ro.media.enc.vid.";
12    public static String MEDIA_AUD_VID = "ro.media.enc.aud.";
13    public static String[] VIDEO_ENCODER_PROPERTY = {".width", ".height", ".bps", ".fps",};
14    public static String[] AUDIO_ENCODER_PROPERTY = {".bps", ".hz", ".ch",};
15
16    public static String getVideoCodecProperty() {
17        String s;
18        s = SystemProperties.get("ro.media.enc.vid.codec");
19        return s;
20    }
21
22    public static String getAudioCodecProperty() {
23        String s;
24        s = SystemProperties.get("ro.media.enc.aud.codec");
25        return s;
26    }
27
28    public static String getDeviceType() {
29        // push all the property into one big table
30        String s;
31        s = SystemProperties.get("ro.product.name");
32        return s;
33    }
34
35    public static void createVideoProfileTable() {
36        // push all the property into one big table
37        String encoderType = getVideoCodecProperty();
38        String encoder[] = encoderType.split(",");
39        for (int i = 0; i < encoder.length; i++) {
40            for (int j = 0; j < VIDEO_ENCODER_PROPERTY.length; j++) {
41                String propertyName = MEDIA_ENC_VID + encoder[i] + VIDEO_ENCODER_PROPERTY[j];
42                String prop = SystemProperties.get(propertyName);
43                //push to the table
44                String propRange[] = prop.split(",");
45                OUTPUT_FORMAT_TABLE.put((encoder[i] + VIDEO_ENCODER_PROPERTY[j] + "_low"),
46                        Integer.parseInt(propRange[0]));
47                OUTPUT_FORMAT_TABLE.put((encoder[i] + VIDEO_ENCODER_PROPERTY[j] + "_high"),
48                        Integer.parseInt(propRange[1]));
49            }
50
51        }
52    }
53
54    public static void createAudioProfileTable() {
55        // push all the property into one big table
56        String audioType = getAudioCodecProperty();
57        String encoder[] = audioType.split(",");
58        for (int i = 0; i < encoder.length; i++) {
59            for (int j = 0; j < AUDIO_ENCODER_PROPERTY.length; j++) {
60                String propertyName = MEDIA_AUD_VID + encoder[i] + AUDIO_ENCODER_PROPERTY[j];
61                String prop = SystemProperties.get(propertyName);
62                //push to the table
63                String propRange[] = prop.split(",");
64                OUTPUT_FORMAT_TABLE.put((encoder[i] + AUDIO_ENCODER_PROPERTY[j] + "_low"),
65                        Integer.parseInt(propRange[0]));
66                OUTPUT_FORMAT_TABLE.put((encoder[i] + AUDIO_ENCODER_PROPERTY[j] + "_high"),
67                        Integer.parseInt(propRange[1]));
68            }
69
70        }
71    }
72
73    public static void createEncoderTable(){
74        OUTPUT_FORMAT_TABLE.put("h263", MediaRecorder.VideoEncoder.H263);
75        OUTPUT_FORMAT_TABLE.put("h264", MediaRecorder.VideoEncoder.H264);
76        OUTPUT_FORMAT_TABLE.put("m4v", MediaRecorder.VideoEncoder.MPEG_4_SP);
77        OUTPUT_FORMAT_TABLE.put("amrnb", MediaRecorder.AudioEncoder.AMR_NB);
78        OUTPUT_FORMAT_TABLE.put("amrwb", MediaRecorder.AudioEncoder.AMR_WB);
79        OUTPUT_FORMAT_TABLE.put("aac", MediaRecorder.AudioEncoder.AAC);
80        OUTPUT_FORMAT_TABLE.put("aacplus", MediaRecorder.AudioEncoder.AAC_PLUS);
81        OUTPUT_FORMAT_TABLE.put("eaacplus",
82                MediaRecorder.AudioEncoder.EAAC_PLUS);
83    }
84}
85