- Taschenbuch: 448 Seiten
- Verlag: Microsoft Press Books; Auflage: Pap/Cdr (14. Mai 2003)
- Sprache: Englisch
- ISBN-10: 0735618216
- ISBN-13: 978-0735618213
- Größe und/oder Gewicht: 22,9 x 18,7 x 3,5 cm
- Durchschnittliche Kundenbewertung: 4.5 von 5 Sternen Alle Rezensionen anzeigen (2 Kundenrezensionen)
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Amazon Bestseller-Rang:
Nr. 260.428 in Englische Bücher (Siehe Top 100 in Englische Bücher)
- Nr. 66 in Englische Bücher > Unterhaltung & Kultur > Filme > Video
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Produktbeschreibungen
Kurzbeschreibung
From desktop to television screen, deliver broadcast-ready digital video with DirectShow--the Microsoft DirectX streaming API integrated in the Windows operating system. Digital video expert and VRML creator Mark Pesce walks you through core DirectShow capabilities for capturing, editing, and rendering media--demonstrating basic to advanced techniques for producing studio-quality results. Whether you're looking to add simple playback to an application or create your own movies and features, you'll get the tools, guidance, and ready-to-use media clips you need to get started now.
Learn how to: Use the GraphEdit design tool to rapidly prototype applicationsWrite your own source, transform, and renderer filtersCapture audio and video from Webcams, digital video cameras, and TV tunersCompress digital video streams onto disk Place clips and tracks on a timeline with DirectShow Editing Services Merge multiple video streams with the Video Mixing Renderer (VMR) Synchronize audio and video Create simple programs to play MP3, WAV, MIDI, AVI, and Microsoft Windows Media filesUse DirectX Media Objects (DMOs) for faster, lightweight development of effects, encoders, and decodersExtend DirectShow with AVIs and Windows Media Format
CD inside Includes reusable media and code samples
CD features: Microsoft DirectX 9.0 Software Development Kit (SDK) and documentationMusic, a movie short, and other video and audio samplesAll the book's programs and code
A Note Regarding the CD or DVD
The print version of this book ships with a CD or DVD. For those customers purchasing one of the digital formats in which this book is available, we are pleased to offer the CD/DVD content as a free download via O'Reilly Media's Digital Distribution services. To download this content, please visit O'Reilly's web site, search for the title of this book to find its catalog page, and click on the link below the cover image (Examples, Companion Content, or Practice Files). Note that while we provide as much of the media content as we are able via free download, we are sometimes limited by licensing restrictions. Please direct any questions or concerns to booktech@oreilly.com.
Synopsis
Explains how to use DirectShow to capture, edit, and render media, covering topics including digital video compression, merging multiple video streams, and synchronize audio and video.
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Einleitungssatz
From the viewpoint of the application programmer, Microsoft DirectShow is composed of two types of classes of objects: filters, the atomic entities of Direct-Show; and filter graphs, collections of filters connected together to provide specific functionality. Lesen Sie die erste Seite
Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis | Rückseite
From the viewpoint of the application programmer, Microsoft DirectShow is composed of two types of classes of objects: filters, the atomic entities of Direct-Show; and filter graphs, collections of filters connected together to provide specific functionality. Lesen Sie die erste Seite
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6 von 6 Kunden fanden die folgende Rezension hilfreich
Format:Taschenbuch
Nach langer Suche über ein ausführliches Werk von DirectShow habe ich mal eins gefunden. Dieses hier.
Hier kann man sagen, dieses Buch beginnt mit den Basics von DirectShow und baut dann Schritt für Schritt darauf auf. Zunächst werden einige Terminologien erklärt (Quelle, Senke, Filter) und dann wird auch schon ein kleines Projekt erstellt.
Bei diesem Buch und auch bei anderen Bücher, die sich mit DirectX oder allgemeiner mit COM befassen, möchte ich darauf hinweisen, dass diese Grundlagen nicht mehr näher erläutert werden. Hier heisst es friss oder stirb, wobei ich aber hinzufügen möchte, dass es hierfür andere Bücher gibt, da dies meiner Meinung nach auch nicht in dieses Buch gehört.
Zusammenfassend zeigt dieses Buch sehr gut wie DirectShow funktioniert. Es wird auch aufgezeigt, dass der MovieMaker eigentlich nur eine grafische Oberfläche von DirectShow ist.
Ich kann das Buch nur empfehlen: Aber es ist kein Lesebuch, aus dem man einfach so mal liest, man muss schon auch gleich damit arbeiten und die Programme testen.
Format:Taschenbuch|Von Amazon bestätigter Kauf
Ich finde das Buch als Einführung in DirectShow sehr gut. Wenn man - so wie ich - von dem Thema so gut wie gar nichts weiß, ist man nach Lektüre des Buches einen großen Schritt weiter. Die Kapitel sind praxisorientiert aufgebaut, nicht zu kurz und nicht zu lang, und kommen mit voll funktionsfähigen, ausreichend erläuterten Beispielen. Ich verstehe nicht, warum dieses Buch insbesondere durch Rezensionen auf amazon.com von vielen Lesern als "Abklatsch der Online-Dokumentation" verrissen wird. Ich glaube, eine bessere Einführung in DirectShow gibt es derzeit nicht. Auch wenn das Buch aus dem Jahr 2003 und damit schon etwas angestaubt ist - die erläuterten Techniken sind immer noch aktuell. Natürlich bleiben noch viele Fragen offen, zumal sich die Probleme erst in der Praxis ergeben, aber dafür gibt es ja Google...
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33 von 35 Kunden fanden die folgende Rezension hilfreich
Better than no book, but worse than it should have been
6. Mai 2003
Format:Taschenbuch|Von Amazon bestätigter Kauf
There are only two book in print on programming DirectShow -- this one and Michael Linetsky's "Programming Microsoft DirectShow." The good news is that this book is substantially better than Mr. Linetsky's. The bad news is it is still not very good. The basic problem with this book, as with many programming books, is that it is structured around the API instead of around the task that you are trying to do.
To elaborate, consider a common task that you would want to do with DirectShow capture. How do you ensure that your application sets the capture input to 24-bit RGB at 640x480 pixels? The answer is, "it depends on the capture filter." If the capture filter is a Video for Windows (VfW) wrapper filter, you set these properties in the capture filter itself. If you are using a WDM driver, you need to access the crossbar to set them. In general, VfW filters remember the settings between runs and the WDM drivers do not. Programmatically, it isn't even obvious how you know which kind of capture filter is being used by any given system. The differences between filters, and how to plan for them in your application, is completely ignored in this book.
How to create an app that works the same way with both these common drivers is a signficant issue. But this book is not structured around developing applications -- it's structured around documenting the API. That seriously limits the value of this or similar kinds of programming books.
There are some substantial oversights even in explaining the API. For example, when Mr. Pesce describes saving a GraphEdit filter graph to file, he fails to mention that this file is valid only for the system on which it was created. This is a significant point -- one that every DirectShow programmer ends up rediscovering for himself the hard way. This is just the kind of "hard knocks" experience that a book like this should ease you over.
If you need to learn to program DirectShow using C++, get this book. But don't expect too much help from it.
To elaborate, consider a common task that you would want to do with DirectShow capture. How do you ensure that your application sets the capture input to 24-bit RGB at 640x480 pixels? The answer is, "it depends on the capture filter." If the capture filter is a Video for Windows (VfW) wrapper filter, you set these properties in the capture filter itself. If you are using a WDM driver, you need to access the crossbar to set them. In general, VfW filters remember the settings between runs and the WDM drivers do not. Programmatically, it isn't even obvious how you know which kind of capture filter is being used by any given system. The differences between filters, and how to plan for them in your application, is completely ignored in this book.
How to create an app that works the same way with both these common drivers is a signficant issue. But this book is not structured around developing applications -- it's structured around documenting the API. That seriously limits the value of this or similar kinds of programming books.
There are some substantial oversights even in explaining the API. For example, when Mr. Pesce describes saving a GraphEdit filter graph to file, he fails to mention that this file is valid only for the system on which it was created. This is a significant point -- one that every DirectShow programmer ends up rediscovering for himself the hard way. This is just the kind of "hard knocks" experience that a book like this should ease you over.
If you need to learn to program DirectShow using C++, get this book. But don't expect too much help from it.
30 von 33 Kunden fanden die folgende Rezension hilfreich
Just the SDK Docs in Paperback
13. Januar 2004
Format:Taschenbuch
This is a pathetic book. I have very little respect for any author that would produce this kind of trash. This is just somebody trying to make money because there are essentially no books available for DirectX. Throw together some "stuff" from the SDK and call it a book. Real pathetic Microsoft Press, I expected you to care more about your reputation than this.
The DirectX SDK docs do a better job than this book except that it is not as convenient as a real book that you can flip through.
I do not understand how it got such good reviews, they must not have actually read the DirectX SDK docs. I was eagerly awaiting this books arrival hoping the examples would be substinative, but they were lame, incomplete, and no more helpful than the FREE samples and docs that came with the SDK.
To say this book covers "all the details of DirectShow" is just not accurate. Assuming this book was useful, it would take 3 or 4 books like this one to provide "all the details".
This book is very high level (general). Do not expect the examples to show you how to do anything complicated.
Also, this book was supposed to be about Digital Video and Television. Last time I watched a DVD movie or TV, the movie/show would have been worthless without the audio. Yet, this book only has 14 pages dedicated to audio out of its total 414 pages. There is also about 20 other pages sprinkled around (and that's being generous). Why is this important, because coding audio is different than coding video, and any other DirecShow task. Sure, it's COM, so it's just another set of interfaces, but it is just that, another set or at least it is using the same set of interfaces differently. Same goes for other DirectShow tasks. Even the treatment of Video is very general.
I remember when Windows 3.1 and OS/2 (both from Microsoft) first came out. Programming Windows and OS/2 was considered very difficult and specialized because the documentation/books were few and not in depth. Well, now programming Windows and even OS/2 is just expected from even the novice programmer. Why? Because there are many books from many people, and Microsoft provides tons of information and real examples, and where examples are lacking, 3rd parties fill the need. That is simply not the case with DirectShow. True enough the DirectX SDK is pretty good for an SDK, but this book does nothing more than provide an incomplete hard copy of part of the SDK.
For crying out loud, the following is all over his example code "This code is also stolen from the DirectX SDK". So, just read the SDK don't waste your money on this book.
It might be better than no book, but marginally.
17 von 18 Kunden fanden die folgende Rezension hilfreich
Needed to like it, but....
28. Januar 2004
Format:Taschenbuch|Von Amazon bestätigter Kauf
I wanted to like this book - mostly because I really needed a book covering some of the problems I was having with DirectShow. The company I work for has DirectShow as the core component of their customer-facing software. I wasn't brought in to work on that part of it, but it quickly fell under my umbrella. I had no DirectShow experience, so I turned to the SDK docs and looked for a few books.
Well I have to say that if it wasn't for the SDK docs I would have been sunk. Both this book and Programming Direct Show have been real losers. This is better than the other book, but that isn't saying much.
Like previous posters I was disappointed by the audio. I have to support file playback, streaming, and control of a tv card through my interface. Its not rocket science, but the dearth of material on controlling tv cards in this book made it all but useless to me. The same material exists in the same form on MS DirectShow docs - the author added next to nothing.
I did give it 2 stars because sometimes it is nice to have the SDK documentation - with a little extra - to read when you are away from the computer. The author however should be ashamed for putting out such a cut-n-paste effort, pathetic.
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