From 1919e5af3d8eb8bcf08e50efae2e79eaf065cf6b Mon Sep 17 00:00:00 2001
From: Andreas Huber <andih@google.com>
Date: Thu, 20 May 2010 10:37:06 -0700
Subject: Better handling of codec initialization failure in the player and
 thumbnail extractor. Return a runtime error instead of asserting if the
 software MPEG4/H.263 decoder fails to initialize.

Change-Id: I5cba02ee85a41e43c2623053de40f26e2cf2efe4
related-to-bug: 2699505
---
 cmds/stagefright/stagefright.cpp                            |  7 ++++++-
 media/libstagefright/AwesomePlayer.cpp                      |  7 ++++++-
 media/libstagefright/StagefrightMetadataRetriever.cpp       |  7 +++++--
 media/libstagefright/codecs/m4v_h263/dec/M4vH263Decoder.cpp | 11 +++++++++--
 4 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/cmds/stagefright/stagefright.cpp b/cmds/stagefright/stagefright.cpp
index 4405da6f81ad..b838f320776f 100644
--- a/cmds/stagefright/stagefright.cpp
+++ b/cmds/stagefright/stagefright.cpp
@@ -75,7 +75,12 @@ static void playSource(OMXClient *client, const sp<MediaSource> &source) {
         }
     }
 
-    rawSource->start();
+    status_t err = rawSource->start();
+
+    if (err != OK) {
+        fprintf(stderr, "rawSource returned error %d (0x%08x)\n", err, err);
+        return;
+    }
 
     if (gPlaybackAudio) {
         AudioPlayer *player = new AudioPlayer(NULL);
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp
index f668caacc239..274dad930bad 100644
--- a/media/libstagefright/AwesomePlayer.cpp
+++ b/media/libstagefright/AwesomePlayer.cpp
@@ -822,7 +822,12 @@ status_t AwesomePlayer::initVideoDecoder() {
         CHECK(mVideoTrack->getFormat()->findInt32(kKeyWidth, &mVideoWidth));
         CHECK(mVideoTrack->getFormat()->findInt32(kKeyHeight, &mVideoHeight));
 
-        mVideoSource->start();
+        status_t err = mVideoSource->start();
+
+        if (err != OK) {
+            mVideoSource.clear();
+            return err;
+        }
     }
 
     return mVideoSource != NULL ? OK : UNKNOWN_ERROR;
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index 29689177b711..258be7486748 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -120,7 +120,11 @@ static VideoFrame *extractVideoFrameWithCodecFlags(
         return NULL;
     }
 
-    decoder->start();
+    status_t err = decoder->start();
+    if (err != OK) {
+        LOGW("OMXCodec::start returned error %d (0x%08x)\n", err, err);
+        return NULL;
+    }
 
     // Read one output buffer, ignore format change notifications
     // and spurious empty buffers.
@@ -134,7 +138,6 @@ static VideoFrame *extractVideoFrameWithCodecFlags(
     }
 
     MediaBuffer *buffer = NULL;
-    status_t err;
     do {
         if (buffer != NULL) {
             buffer->release();
diff --git a/media/libstagefright/codecs/m4v_h263/dec/M4vH263Decoder.cpp b/media/libstagefright/codecs/m4v_h263/dec/M4vH263Decoder.cpp
index 40009f8f316a..8350f7a57c9e 100644
--- a/media/libstagefright/codecs/m4v_h263/dec/M4vH263Decoder.cpp
+++ b/media/libstagefright/codecs/m4v_h263/dec/M4vH263Decoder.cpp
@@ -120,9 +120,16 @@ status_t M4vH263Decoder::start(MetaData *) {
         vol_size = 0;
 
     }
-    CHECK_EQ(PV_TRUE, PVInitVideoDecoder(
-            mHandle, vol_data, &vol_size, 1, mWidth, mHeight, mode));
+
+    Bool success = PVInitVideoDecoder(
+            mHandle, vol_data, &vol_size, 1, mWidth, mHeight, mode);
     if (vol_data[0]) free(vol_data[0]);
+
+    if (success != PV_TRUE) {
+        LOGW("PVInitVideoDecoder failed. Unsupported content?");
+        return ERROR_UNSUPPORTED;
+    }
+
     MP4DecodingMode actualMode = PVGetDecBitstreamMode(mHandle);
     CHECK_EQ(mode, actualMode);
 
-- 
cgit v1.2.3-59-g8ed1b