ACodec: Added support for E-AC3 decoders

Bug: 17883772

Change-Id: I05f674c33522eec0e6ceeece88dd800b1857b3ab

1 files changed, 67 insertions, 0 deletions

diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index e1b3b4d..edab44d 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -1106,6 +1106,8 @@ status_t ACodec::setComponentRole(
             "video_decoder.mpeg2", "video_encoder.mpeg2" },
         { MEDIA_MIMETYPE_AUDIO_AC3,
             "audio_decoder.ac3", "audio_encoder.ac3" },
+        { MEDIA_MIMETYPE_AUDIO_EAC3,
+            "audio_decoder.eac3", "audio_encoder.eac3" },
     };
 
     static const size_t kNumMimeToRole =
@@ -1530,6 +1532,15 @@ status_t ACodec::configureCodec(
         } else {
             err = setupAC3Codec(encoder, numChannels, sampleRate);
         }
+    } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_EAC3)) {
+        int32_t numChannels;
+        int32_t sampleRate;
+        if (!msg->findInt32("channel-count", &numChannels)
+                || !msg->findInt32("sample-rate", &sampleRate)) {
+            err = INVALID_OPERATION;
+        } else {
+            err = setupEAC3Codec(encoder, numChannels, sampleRate);
+        }
     }
 
     if (err != OK) {
@@ -1815,6 +1826,44 @@ status_t ACodec::setupAC3Codec(
             sizeof(def));
 }
 
+status_t ACodec::setupEAC3Codec(
+        bool encoder, int32_t numChannels, int32_t sampleRate) {
+    status_t err = setupRawAudioFormat(
+            encoder ? kPortIndexInput : kPortIndexOutput, sampleRate, numChannels);
+
+    if (err != OK) {
+        return err;
+    }
+
+    if (encoder) {
+        ALOGW("EAC3 encoding is not supported.");
+        return INVALID_OPERATION;
+    }
+
+    OMX_AUDIO_PARAM_ANDROID_EAC3TYPE def;
+    InitOMXParams(&def);
+    def.nPortIndex = kPortIndexInput;
+
+    err = mOMX->getParameter(
+            mNode,
+            (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidEac3,
+            &def,
+            sizeof(def));
+
+    if (err != OK) {
+        return err;
+    }
+
+    def.nChannels = numChannels;
+    def.nSampleRate = sampleRate;
+
+    return mOMX->setParameter(
+            mNode,
+            (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidEac3,
+            &def,
+            sizeof(def));
+}
+
 static OMX_AUDIO_AMRBANDMODETYPE pickModeFromBitRate(
         bool isAMRWB, int32_t bps) {
     if (isAMRWB) {
@@ -3490,6 +3539,24 @@ status_t ACodec::getPortFormat(OMX_U32 portIndex, sp<AMessage> &notify) {
                     break;
                 }
 
+                case OMX_AUDIO_CodingAndroidEAC3:
+                {
+                    OMX_AUDIO_PARAM_ANDROID_EAC3TYPE params;
+                    InitOMXParams(&params);
+                    params.nPortIndex = portIndex;
+
+                    CHECK_EQ((status_t)OK, mOMX->getParameter(
+                            mNode,
+                            (OMX_INDEXTYPE)OMX_IndexParamAudioAndroidEac3,
+                            &params,
+                            sizeof(params)));
+
+                    notify->setString("mime", MEDIA_MIMETYPE_AUDIO_EAC3);
+                    notify->setInt32("channel-count", params.nChannels);
+                    notify->setInt32("sample-rate", params.nSampleRate);
+                    break;
+                }
+
                 case OMX_AUDIO_CodingAndroidOPUS:
                 {
                     OMX_AUDIO_PARAM_ANDROID_OPUSTYPE params;