am 8c192fe9: Merge "Better support for rtsp streamed through VLC. Temporarily make the socket blocking to read all of the session description." into gingerbread

Merge commit '8c192fe990d7bc7149d2ec1a7c9f4ada3f32e52a' into gingerbread-plus-aosp

* commit '8c192fe990d7bc7149d2ec1a7c9f4ada3f32e52a':
  Better support for rtsp streamed through VLC. Temporarily make the socket blocking to read all of the session description.

media/libstagefright/rtsp/APacketSource.cpp

@@ -18,6 +18,8 @@
 
 #include "ASessionDescription.h"
 
+#include <ctype.h>
+
 #include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
@@ -37,6 +39,10 @@ static bool GetAttribute(const char *s, const char *key, AString *value) {
     size_t keyLen = strlen(key);
 
     for (;;) {
+        while (isspace(*s)) {
+            ++s;
+        }
+
         const char *colonPos = strchr(s, ';');
 
         size_t len =
@@ -253,7 +259,11 @@ APacketSource::APacketSource(
         mFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_AVC);
 
         int32_t width, height;
-        sessionDesc->getDimensions(index, PT, &width, &height);
+        if (!sessionDesc->getDimensions(index, PT, &width, &height)) {
+            // TODO: extract dimensions from sequence parameter set.
+            mInitCheck = ERROR_UNSUPPORTED;
+            return;
+        }
 
         mFormat->setInt32(kKeyWidth, width);
         mFormat->setInt32(kKeyHeight, height);
@@ -271,7 +281,10 @@ APacketSource::APacketSource(
         mFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_H263);
 
         int32_t width, height;
-        sessionDesc->getDimensions(index, PT, &width, &height);
+        if (!sessionDesc->getDimensions(index, PT, &width, &height)) {
+            mInitCheck = ERROR_UNSUPPORTED;
+            return;
+        }
 
         mFormat->setInt32(kKeyWidth, width);
         mFormat->setInt32(kKeyHeight, height);

media/libstagefright/rtsp/ARTSPConnection.cpp

@@ -136,6 +136,20 @@ bool ARTSPConnection::ParseURL(
     return true;
 }
 
+static void MakeSocketBlocking(int s, bool blocking) {
+    // Make socket non-blocking.
+    int flags = fcntl(s, F_GETFL, 0);
+    CHECK_NE(flags, -1);
+
+    if (blocking) {
+        flags &= ~O_NONBLOCK;
+    } else {
+        flags |= O_NONBLOCK;
+    }
+
+    CHECK_NE(fcntl(s, F_SETFL, flags), -1);
+}
+
 void ARTSPConnection::onConnect(const sp<AMessage> &msg) {
     ++mConnectionID;
 
@@ -150,10 +164,7 @@ void ARTSPConnection::onConnect(const sp<AMessage> &msg) {
 
     mSocket = socket(AF_INET, SOCK_STREAM, 0);
 
-    // Make socket non-blocking.
-    int flags = fcntl(mSocket, F_GETFL, 0);
-    CHECK_NE(flags, -1);
-    CHECK_NE(fcntl(mSocket, F_SETFL, flags | O_NONBLOCK), -1);
+    MakeSocketBlocking(mSocket, false);
 
     AString url;
     CHECK(msg->findString("url", &url));
@@ -210,7 +221,7 @@ void ARTSPConnection::onDisconnect(const sp<AMessage> &msg) {
         mSocket = -1;
 
         flushPendingRequests();
-    } 
+    }
 
     sp<AMessage> reply;
     CHECK(msg->findMessage("reply", &reply));
@@ -347,7 +358,13 @@ void ARTSPConnection::onReceiveResponse() {
     CHECK_GE(res, 0);
 
     if (res == 1) {
-        if (!receiveRTSPReponse()) {
+        MakeSocketBlocking(mSocket, true);
+
+        bool success = receiveRTSPReponse();
+
+        MakeSocketBlocking(mSocket, false);
+
+        if (!success) {
             // Something horrible, irreparable has happened.
             flushPendingRequests();
             return;

media/libstagefright/rtsp/ASessionDescription.cpp

@@ -203,13 +203,18 @@ void ASessionDescription::getFormatType(
     }
 }
 
-void ASessionDescription::getDimensions(
+bool ASessionDescription::getDimensions(
         size_t index, unsigned long PT,
         int32_t *width, int32_t *height) const {
+    *width = 0;
+    *height = 0;
+
     char key[20];
     sprintf(key, "a=framesize:%lu", PT);
     AString value;
-    CHECK(findAttribute(index, key, &value));
+    if (!findAttribute(index, key, &value)) {
+        return false;
+    }
 
     const char *s = value.c_str();
     char *end;
@@ -221,6 +226,8 @@ void ASessionDescription::getDimensions(
     *height = strtoul(s, &end, 10);
     CHECK_GT(end, s);
     CHECK_EQ(*end, '\0');
+
+    return true;
 }
 
 bool ASessionDescription::getDurationUs(int64_t *durationUs) const {

media/libstagefright/rtsp/ASessionDescription.h

@@ -44,7 +44,7 @@ struct ASessionDescription : public RefBase {
             size_t index, unsigned long *PT,
             AString *desc, AString *params) const;
 
-    void getDimensions(
+    bool getDimensions(
             size_t index, unsigned long PT,
             int32_t *width, int32_t *height) const;
 

media/libstagefright/rtsp/MyHandler.h

@@ -309,6 +309,16 @@ struct MyHandler : public AHandler {
                 size_t trackIndex;
                 CHECK(msg->findSize("track-index", &trackIndex));
 
+                int32_t eos;
+                if (msg->findInt32("eos", &eos)) {
+                    LOG(INFO) << "received BYE on track index " << trackIndex;
+#if 0
+                    TrackInfo *track = &mTracks.editItemAt(trackIndex);
+                    track->mPacketSource->signalEOS(ERROR_END_OF_STREAM);
+#endif
+                    return;
+                }
+
                 sp<RefBase> obj;
                 CHECK(msg->findObject("access-unit", &obj));