Merge branch 'dev' of git://github.com/tresvecesseis/ExoPlayer into dev

library/src/main/java/com/google/android/exoplayer/extractor/ts/TsExtractor.java

@@ -42,6 +42,8 @@ public final class TsExtractor implements Extractor, SeekMap {
   private static final int TS_SYNC_BYTE = 0x47; // First byte of each TS packet.
   private static final int TS_PAT_PID = 0;
 
+  private static final int TS_STREAM_TYPE_MPA = 0x03;
+  private static final int TS_STREAM_TYPE_MPA_LSF = 0x04;
   private static final int TS_STREAM_TYPE_AAC = 0x0F;
   private static final int TS_STREAM_TYPE_ATSC_AC3 = 0x81;
   private static final int TS_STREAM_TYPE_ATSC_E_AC3 = 0x87;
@@ -351,6 +353,12 @@ public final class TsExtractor implements Extractor, SeekMap {
         // TODO: Detect and read DVB AC-3 streams with Ac3Reader.
         ElementaryStreamReader pesPayloadReader = null;
         switch (streamType) {
+          case TS_STREAM_TYPE_MPA:
+            pesPayloadReader = new MpaReader(output.track(TS_STREAM_TYPE_MPA));
+            break;
+          case TS_STREAM_TYPE_MPA_LSF:
+            pesPayloadReader = new MpaReader(output.track(TS_STREAM_TYPE_MPA_LSF));
+            break;
           case TS_STREAM_TYPE_AAC:
             pesPayloadReader = new AdtsReader(output.track(TS_STREAM_TYPE_AAC));
             break;

library/src/main/java/com/google/android/exoplayer/util/CodecSpecificDataUtil.java

@@ -42,6 +42,22 @@ public final class CodecSpecificDataUtil {
   private CodecSpecificDataUtil() {}
 
    /**
+    * Gets the sample rate index.
+    *
+    * @param sampleRate The sample rate in Hz.
+    * @return The sample rate index.
+    */
+   public static int getSampleRateIndex(int sampleRate) {
+     int sampleRateIndex = 0;
+     for (; sampleRateIndex < AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE.length; sampleRateIndex++) {
+       if (AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE[sampleRateIndex] == sampleRate) {
+         return sampleRateIndex;
+        }
+       }
+       return -1;
+    }
+
+  /**
    * Parses an AudioSpecificConfig, as defined in ISO 14496-3 1.6.2.1
    *
    * @param audioSpecificConfig The AudioSpecificConfig to parse.
@@ -49,14 +65,25 @@ public final class CodecSpecificDataUtil {
    */
   public static Pair<Integer, Integer> parseAacAudioSpecificConfig(byte[] audioSpecificConfig) {
     int audioObjectType = (audioSpecificConfig[0] >> 3) & 0x1F;
+    if (audioObjectType < 31) {
       int byteOffset = audioObjectType == 5 || audioObjectType == 29 ? 1 : 0;
-    int frequencyIndex = (audioSpecificConfig[byteOffset] & 0x7) << 1
-        | ((audioSpecificConfig[byteOffset + 1] >> 7) & 0x1);
+      int frequencyIndex = (audioSpecificConfig[byteOffset] & 0x7) << 1 |
+              ((audioSpecificConfig[byteOffset + 1] >> 7) & 0x1);
+      Assertions.checkState(frequencyIndex < 13);
+      int sampleRate = AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE[frequencyIndex];
+      int channelCount = AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE[
+              (audioSpecificConfig[byteOffset + 1] >> 3) & 0xF];
+      return Pair.create(sampleRate, channelCount);
+    } else {
+      int frequencyIndex = (audioSpecificConfig[1] & 0x1E) >> 1;
       Assertions.checkState(frequencyIndex < 13);
       int sampleRate = AUDIO_SPECIFIC_CONFIG_SAMPLING_RATE_TABLE[frequencyIndex];
-    int channelCount = (audioSpecificConfig[byteOffset + 1] >> 3) & 0xF;
+      int channelCount = AUDIO_SPECIFIC_CONFIG_CHANNEL_COUNT_TABLE[
+              (audioSpecificConfig[1] & 0x01) << 3 |
+              ((audioSpecificConfig[2] >> 5) & 0x07)];
       return Pair.create(sampleRate, channelCount);
     }
+  }
 
   /**
    * Builds a simple AudioSpecificConfig, as defined in ISO 14496-3 1.6.2.1