From 22b3307b23ccd849c3409ef973b4e0f9c460cd36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Duval?= <korli@users.berlios.de>
Date: Thu, 19 Apr 2007 21:59:55 +0000
Subject: [PATCH] Sound events are now played with a BSoundPlayer, because it's
 more easy to handle restart and have a correct name displayed in the mixer.
 Sound players are reused when possible

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20760 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/media_addon/Jamfile             |   2 +-
 src/servers/media_addon/MediaFilePlayer.cpp | 142 ++++++++++++++++++--
 src/servers/media_addon/MediaFilePlayer.h   |  37 ++++-
 3 files changed, 168 insertions(+), 13 deletions(-)

diff --git a/src/servers/media_addon/Jamfile b/src/servers/media_addon/Jamfile
index 75e5c9f1aa..b5e62aae5b 100644
--- a/src/servers/media_addon/Jamfile
+++ b/src/servers/media_addon/Jamfile
@@ -2,7 +2,7 @@ SubDir HAIKU_TOP src servers media_addon ;
 
 SetSubDirSupportedPlatformsBeOSCompatible ;
 
-UsePrivateHeaders media ;
+UsePrivateHeaders media shared ;
 
 AddResources media_addon_server : media_addon_server.rdef ;
 
diff --git a/src/servers/media_addon/MediaFilePlayer.cpp b/src/servers/media_addon/MediaFilePlayer.cpp
index b48b6a683c..a9ab0cc8ce 100644
--- a/src/servers/media_addon/MediaFilePlayer.cpp
+++ b/src/servers/media_addon/MediaFilePlayer.cpp
@@ -4,27 +4,147 @@
  * Distributed under the terms of the MIT License.
  */
 
-#include <Entry.h>
-#include <FileGameSound.h>
 #include <MediaFiles.h>
 #include "MediaFilePlayer.h"
-#include "debug.h"
+#include "ObjectList.h"
 
-void 
+#include <stdio.h>
+
+BObjectList<MediaFilePlayer> list;
+
+MediaFilePlayer *
+FindMediaFilePlayer(MediaFilePlayer *player, void *media_name)
+{
+	if (!strcmp(player->Name(), (const char *)media_name))
+		return player;
+	return NULL;
+}
+
+
+void
 PlayMediaFile(const char *media_type, const char *media_name)
 {
-	TRACE("PlayMediaFile: type '%s', name '%s'\n", media_type, media_name);
-
 	entry_ref ref;
 	if (BMediaFiles().GetRefFor(media_type, media_name, &ref)!=B_OK
 		|| !BEntry(&ref).Exists())
 		return;
 
-	BFileGameSound *sound = new BFileGameSound(&ref, false);
-	if (sound->InitCheck() == B_OK) {
-		sound->Preload();
-		sound->StartPlaying();
+	MediaFilePlayer *player = list.EachElement(FindMediaFilePlayer, (void *)media_name);
+	if (player) {
+		if (*(player->Ref()) == ref) {
+			player->Restart();
+			return;
+		}
+	
+		list.RemoveItem(player);
+		delete player;
+		player = NULL;	
+	}
+	
+	if (!player) {
+		player = new MediaFilePlayer(media_type, media_name, &ref);
+		if (player->InitCheck() == B_OK)
+			list.AddItem(player);
+		else
+			delete player;
 	}
-	// TODO reclaim sound
 }
 
+
+
+MediaFilePlayer::MediaFilePlayer(const char *media_type,
+	const char *media_name, entry_ref *ref) :
+	fInitCheck(B_ERROR),
+	fRef(*ref),
+	fSoundPlayer(NULL),
+	fPlayTrack(NULL)
+{
+	fName = strdup(media_name);
+	
+	fPlayFile = new BMediaFile(&fRef);
+	if ((fInitCheck = fPlayFile->InitCheck()) <B_OK) {
+		return;
+	}
+	
+	memset(&fPlayFormat, 0, sizeof(fPlayFormat));
+	
+	for (int i=0; i < fPlayFile->CountTracks(); i++) {
+		BMediaTrack *track = fPlayFile->TrackAt(i);
+		fPlayFormat.type = B_MEDIA_RAW_AUDIO;
+		fPlayFormat.u.raw_audio.buffer_size = 256;
+		if ((track->DecodedFormat(&fPlayFormat) == B_OK) 
+			&& (fPlayFormat.type == B_MEDIA_RAW_AUDIO)) {
+			fPlayTrack = track;
+			break;
+		}
+		if (track)
+			fPlayFile->ReleaseTrack(track);
+	}
+	
+	if (fPlayTrack == NULL) {
+		fInitCheck = B_BAD_VALUE;
+		return;
+	}
+	
+	fSoundPlayer = new BSoundPlayer(&fPlayFormat.u.raw_audio, media_name, PlayFunction,
+		NULL, this);
+	if ((fInitCheck = fSoundPlayer->InitCheck()) != B_OK) {
+		return;
+	}
+	
+	fSoundPlayer->SetVolume(1.0f);
+	fSoundPlayer->SetHasData(true);
+	fSoundPlayer->Start();
+}
+
+
+MediaFilePlayer::~MediaFilePlayer()
+{
+	delete fSoundPlayer;
+	delete fPlayFile;
+	free(fName);
+}
+
+
+status_t
+MediaFilePlayer::InitCheck()
+{
+	return fInitCheck;
+}
+
+
+bool
+MediaFilePlayer::IsPlaying()
+{
+	return (fSoundPlayer && fSoundPlayer->HasData());
+}
+
+void
+MediaFilePlayer::Restart()
+{
+	fSoundPlayer->Stop();
+	int64 frame = 0;
+	fPlayTrack->SeekToFrame(&frame);
+	fSoundPlayer->SetHasData(true);
+	fSoundPlayer->Start();
+}
+
+
+void
+MediaFilePlayer::Stop()
+{
+	fSoundPlayer->Stop();	
+}
+
+
+void
+MediaFilePlayer::PlayFunction(void *cookie, void * buffer, size_t size, const media_raw_audio_format & format)
+{
+	MediaFilePlayer *player = (MediaFilePlayer *)cookie;
+	int64 frames = 0;
+	player->fPlayTrack->ReadFrames(buffer, &frames);
+	
+	if (frames <=0) {
+		player->fSoundPlayer->SetHasData(false);
+	}
+}
diff --git a/src/servers/media_addon/MediaFilePlayer.h b/src/servers/media_addon/MediaFilePlayer.h
index 6044e4b8f3..4c85458a15 100644
--- a/src/servers/media_addon/MediaFilePlayer.h
+++ b/src/servers/media_addon/MediaFilePlayer.h
@@ -5,6 +5,41 @@
 #ifndef _MEDIA_FILE_PLAYER_H
 #define _MEDIA_FILE_PLAYER_H
 
+#include <Entry.h>
+#include <SoundPlayer.h>
+#include <MediaFile.h>
+#include <MediaTrack.h>
+#include <MediaDefs.h>
+
+
 void PlayMediaFile(const char *media_type, const char *media_name);
 
-#endif
+
+class MediaFilePlayer
+{
+public:
+	MediaFilePlayer(const char *media_type, const char *media_name,
+		entry_ref *ref);
+	~MediaFilePlayer();
+
+	bool IsPlaying();
+	void Restart();
+	void Stop();
+	status_t InitCheck();
+	const char *Name() { return fName; };
+	const entry_ref *Ref() { return &fRef; };
+	
+	static void PlayFunction(void *cookie, void * buffer, 
+		size_t size, const media_raw_audio_format & format);
+
+private:
+	char 		*fName;
+	status_t	fInitCheck;
+	entry_ref	fRef;
+	BSoundPlayer *fSoundPlayer;
+	BMediaFile *fPlayFile;
+	BMediaTrack	*fPlayTrack;
+	media_format fPlayFormat;
+};
+
+#endif // _MEDIA_FILE_PLAYER_H