From 5a1c3529e4fa2f8a11054181294e0ce79fff8dd3 Mon Sep 17 00:00:00 2001
From: Andreas Huber <andih@google.com>
Date: Wed, 25 Aug 2010 11:09:41 -0700
Subject: 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
---
 media/libstagefright/MediaExtractor.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'media/libstagefright/MediaExtractor.cpp')

diff --git a/media/libstagefright/MediaExtractor.cpp b/media/libstagefright/MediaExtractor.cpp
index 56e6136..9bc94de 100644
--- a/media/libstagefright/MediaExtractor.cpp
+++ b/media/libstagefright/MediaExtractor.cpp
@@ -27,6 +27,7 @@
 
 #include "matroska/MatroskaExtractor.h"
 
+#include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/DataSource.h>
 #include <media/stagefright/MediaDefs.h>
 #include <media/stagefright/MediaExtractor.h>
@@ -46,10 +47,12 @@ uint32_t MediaExtractor::flags() const {
 // static
 sp<MediaExtractor> MediaExtractor::Create(
         const sp<DataSource> &source, const char *mime) {
+    sp<AMessage> meta;
+
     String8 tmp;
     if (mime == NULL) {
         float confidence;
-        if (!source->sniff(&tmp, &confidence)) {
+        if (!source->sniff(&tmp, &confidence, &meta)) {
             LOGV("FAILED to autodetect media content.");
 
             return NULL;
@@ -64,7 +67,7 @@ sp<MediaExtractor> MediaExtractor::Create(
             || !strcasecmp(mime, "audio/mp4")) {
         return new MPEG4Extractor(source);
     } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_MPEG)) {
-        return new MP3Extractor(source);
+        return new MP3Extractor(source, meta);
     } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_NB)
             || !strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_AMR_WB)) {
         return new AMRExtractor(source);
-- 
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