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author | Andreas Huber <andih@google.com> | 2011-03-04 10:24:54 -0800 |
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committer | Andreas Huber <andih@google.com> | 2011-03-04 10:32:36 -0800 |
commit | 2256d515e6fa1dd95b8fd0de05b56d8c83af8327 (patch) | |
tree | b14d64324dc357168fc6f4570ecb7b82d53bcbac /media/libstagefright/StagefrightMetadataRetriever.cpp | |
parent | bdba1f2a3813e4c8e690d71cfc2b82d5dee85c73 (diff) | |
download | frameworks_av-2256d515e6fa1dd95b8fd0de05b56d8c83af8327.zip frameworks_av-2256d515e6fa1dd95b8fd0de05b56d8c83af8327.tar.gz frameworks_av-2256d515e6fa1dd95b8fd0de05b56d8c83af8327.tar.bz2 |
Added more metadata published by the MediaMetaDataRetriever
- presence of audio/video content
- video dimensions
- avg. bitrate
Change-Id: Ie6d478a3c2d0bb6bebaea99ac0a20a4c17808934
related-to-bug: 3506316
Diffstat (limited to 'media/libstagefright/StagefrightMetadataRetriever.cpp')
-rw-r--r-- | media/libstagefright/StagefrightMetadataRetriever.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp index ea3b801..c371cd0 100644 --- a/media/libstagefright/StagefrightMetadataRetriever.cpp +++ b/media/libstagefright/StagefrightMetadataRetriever.cpp @@ -411,6 +411,12 @@ void StagefrightMetadataRetriever::parseMetaData() { mMetaData.add(METADATA_KEY_NUM_TRACKS, String8(tmp)); + bool hasAudio = false; + bool hasVideo = false; + int32_t videoWidth = -1; + int32_t videoHeight = -1; + int32_t audioBitrate = -1; + // The overall duration is the duration of the longest track. int64_t maxDurationUs = 0; for (size_t i = 0; i < numTracks; ++i) { @@ -422,12 +428,55 @@ void StagefrightMetadataRetriever::parseMetaData() { maxDurationUs = durationUs; } } + + const char *mime; + if (trackMeta->findCString(kKeyMIMEType, &mime)) { + if (!hasAudio && !strncasecmp("audio/", mime, 6)) { + hasAudio = true; + + if (!trackMeta->findInt32(kKeyBitRate, &audioBitrate)) { + audioBitrate = -1; + } + } else if (!hasVideo && !strncasecmp("video/", mime, 6)) { + hasVideo = true; + + CHECK(trackMeta->findInt32(kKeyWidth, &videoWidth)); + CHECK(trackMeta->findInt32(kKeyHeight, &videoHeight)); + } + } } // The duration value is a string representing the duration in ms. sprintf(tmp, "%lld", (maxDurationUs + 500) / 1000); mMetaData.add(METADATA_KEY_DURATION, String8(tmp)); + if (hasAudio) { + mMetaData.add(METADATA_KEY_HAS_AUDIO, String8("yes")); + } + + if (hasVideo) { + mMetaData.add(METADATA_KEY_HAS_VIDEO, String8("yes")); + + sprintf(tmp, "%d", videoWidth); + mMetaData.add(METADATA_KEY_VIDEO_WIDTH, String8(tmp)); + + sprintf(tmp, "%d", videoHeight); + mMetaData.add(METADATA_KEY_VIDEO_HEIGHT, String8(tmp)); + } + + if (numTracks == 1 && hasAudio && audioBitrate >= 0) { + sprintf(tmp, "%ld", audioBitrate); + mMetaData.add(METADATA_KEY_BITRATE, String8(tmp)); + } else { + off64_t sourceSize; + if (mSource->getSize(&sourceSize) == OK) { + int64_t avgBitRate = (int64_t)(sourceSize * 8E6 / maxDurationUs); + + sprintf(tmp, "%lld", avgBitRate); + mMetaData.add(METADATA_KEY_BITRATE, String8(tmp)); + } + } + if (numTracks == 1) { const char *fileMIME; CHECK(meta->findCString(kKeyMIMEType, &fileMIME)); |