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| author | Andreas Huber <andih@google.com> | 2010-08-25 11:09:41 -0700 |
|---|---|---|
| committer | Andreas Huber <andih@google.com> | 2010-08-25 13:08:38 -0700 |
| commit | 5a1c3529e4fa2f8a11054181294e0ce79fff8dd3 (patch) | |
| tree | 06386bceb568bf27c3fff03139ac0745ec1c4eba /include | |
| parent | fce49325d807c278229a594c1cc866e21da0e155 (diff) | |
| download | frameworks_av-5a1c3529e4fa2f8a11054181294e0ce79fff8dd3.zip frameworks_av-5a1c3529e4fa2f8a11054181294e0ce79fff8dd3.tar.gz frameworks_av-5a1c3529e4fa2f8a11054181294e0ce79fff8dd3.tar.bz2 | |
Allow sniffers to return a packet of opaque data that the corresponding extractor can take advantage of to not duplicate work already done sniffing. The mp3 extractor takes advantage of this now.
Change-Id: Icb77ae3ee95a69c7da25b4d3b8696c0a2d33028a
related-to-bug: 2948754
Diffstat (limited to 'include')
| -rw-r--r-- | include/media/stagefright/DataSource.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/media/stagefright/DataSource.h b/include/media/stagefright/DataSource.h index 6f7dc38..9d2cff6 100644 --- a/include/media/stagefright/DataSource.h +++ b/include/media/stagefright/DataSource.h @@ -28,6 +28,7 @@ namespace android { +struct AMessage; class String8; class DataSource : public RefBase { @@ -59,10 +60,14 @@ public: //////////////////////////////////////////////////////////////////////////// - bool sniff(String8 *mimeType, float *confidence); + bool sniff(String8 *mimeType, float *confidence, sp<AMessage> *meta); + // The sniffer can optionally fill in "meta" with an AMessage containing + // a dictionary of values that helps the corresponding extractor initialize + // its state without duplicating effort already exerted by the sniffer. typedef bool (*SnifferFunc)( - const sp<DataSource> &source, String8 *mimeType, float *confidence); + const sp<DataSource> &source, String8 *mimeType, + float *confidence, sp<AMessage> *meta); static void RegisterSniffer(SnifferFunc func); static void RegisterDefaultSniffers(); |