trustfm Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 Pro version : https://secure.divx.com/downloads/DivXPro504Bundle.exe
ikosto Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 Thanx trust !!!! Mia erwthsh an exw registered thn prohgoumenh version 8a to dextei h 8a 8elei pali neo code ??????
trustfm Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 douleuei me to palio 1 twra kanw to 1o encode !
3DViRuS Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 exei tipota neo pou na axizei na to kateyaseis?
trustfm Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 exei ton DivX EKG.exe pou upologizei apo oti katalaba to log file tou 1ou pass kai sou dinei xrhsima info . Opws to kobw paei gia katarghsh to compressibility test . Epishs kataskeuazoun neo project me titlo : http://www.divx.com/divx/mastermind/ Genika to Gknot kai ta sunafh tou an sunexistei etsi h exeli3h tou codec 8a fane htta . Eidika an to DivX EKG.exe apodixtei a3iopisto opote tote to gknot kai DVX bgainoun teliws off mias kai prepei a) na ginei to 1o pass na dei o user mesw tou DivX EKG.exe to log c) na kanei ANALOGA to 2o pass Opote o monos dromos einai manually (me thn boh8eia swiftavs sto scripting).
MY80- Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 O neos divx player ypostirizei hardware postprocessing se 9500/9700 lene alla thelei cats3.3 gia na doulepsei...let's wait and see....
trustfm Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 an pw oti de katalaba tipota 8a me parete me tis petres ? <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/laugh.gif" alt="" /> <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/laugh.gif" alt="" /> <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/laugh.gif" alt="" /> dhladh ?
telikiasmenos Δημοσ. 18 Απριλίου 2003 Δημοσ. 18 Απριλίου 2003 trustfm said: an pw oti de katalaba tipota 8a me parete me tis petres ? <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/laugh.gif" alt="" /> <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/laugh.gif" alt="" /> <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/laugh.gif" alt="" /> dhladh ? Ουουουουουουουου!
Snolly Δημοσ. 19 Απριλίου 2003 Μέλος Δημοσ. 19 Απριλίου 2003 trustfm said: exei ton DivX EKG.exe pou upologizei apo oti katalaba to log file tou 1ou pass kai sou dinei xrhsima info . Opws to kobw paei gia katarghsh to compressibility test . Epishs kataskeuazoun neo project me titlo : http://www.divx.com/divx/mastermind/ Genika to Gknot kai ta sunafh tou an sunexistei etsi h exeli3h tou codec 8a fane htta . Eidika an to DivX EKG.exe apodixtei a3iopisto opote tote to gknot kai DVX bgainoun teliws off mias kai prepei a) na ginei to 1o pass na dei o user mesw tou DivX EKG.exe to log c) na kanei ANALOGA to 2o pass Opote o monos dromos einai manually (me thn boh8eia swiftavs sto scripting). To EKG trust ginetai afou ginei kai to prwto kai to deutero pass. Sou zhtaei log kai meta to avi... Kai meta profanws kaneis redistribution to bitrate me allagh twn quantizers... Den xerw an xreiazetai 3o pass.
trustfm Δημοσ. 19 Απριλίου 2003 Δημοσ. 19 Απριλίου 2003 egw tou ebala mono to log kai mou ebgale ena diagramma alla den mporw na bgalw akrh ...
Divxakias Δημοσ. 21 Απριλίου 2003 Δημοσ. 21 Απριλίου 2003 Παίδες επειδή δεν πρόλαβα να κάνω δοκιμές <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/mad.gif" alt="" /> Έχει κάνει κανένας τίποτε <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/grin.gif" alt="" /> Έχει δει διάφορες σε ποιότητα ή ταχύτητα <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/tongue.gif" alt="" /> Η εξακολουθούμε να δουλεύουμε τον 5.02 <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/cool.gif" alt="" />
pseira Δημοσ. 22 Απριλίου 2003 Δημοσ. 22 Απριλίου 2003 Ela nte......ti paizei me to EKG??? mono na to deis mporeis. Oxi na epembeis e?
Divxakias Δημοσ. 22 Απριλίου 2003 Δημοσ. 22 Απριλίου 2003 What is the EKG? The EKG enables an advanced video compressionist to reallocate data to specific scenes within a video clip. Although the Rate Control algorithm within the DivX Codec is very good there is not a "perfect" rate control since quality is very subjective. The EKG will allow a compressionist the ability to change or reallocate data to specific areas within a DivX Encoded video that may need more or less data. The DivX Codec Generates a Log file recording information about the source video and the decisions made by the Rate Control algorithm. During 2 Pass encoding this data is further analyzed so that bits may be more accurately distributed during the second pass of encoding. In the first pass, the rate control module looks through the whole video sequences, and record the complexity of each video frame. In the second pass, the rate control module then adjusts the quantizer for each individual frame based on its complexity and the overall averages which were obtained during the first pass of encoding. For every frame the following data is recorded: Time offset of video frame Coding type (I-P- Motion complexity Texture complexity Frame Size Modulation Parameter When a second (nth) pass encode is running, the rate control will try achieve three goals. First, it must be sure not to exceed the specified maximum bitrate. It will do whatever it takes to prevent this, even dropping frames in the most extreme cases. Second, it will try to meet the desired target bitrate as closely as possible. Its third goal is to distribute bits between frames to achieve equal quality, or to respect the user's modulation settings. Although the codec is efficient there is always room for improvement and fine-tuning since visual quality is so subjective. The Electrokompressiongraph will enable the user to manually re-allocate data within a video file by adjusting the Modulation Parameter. The modulation parameter is set to one by default. The modulation parameter is a value that is multiplied with a base quantizer to determine a new quantizer that will be used to increase or decrease quality for a specified frame. For example, if the codec thinks every frame should be encoded with a quantizer of 4.0 and the user sets the modulation equal to 1.25 for some frames then these frames will be re-encoded using a quantizer of 5.0. (New Q = Modulation * Existing Q). The EKG will always aim toward meeting the target bitrate as closely as possible. If you increase data allocation for a group of frames this data will be borrowed fairly from other frames and if you decrease data from a group of frames this data will be given fairly to other frames aiming toward the target bitrate and the best quality possible. An example of how a user may attempt to use the EKG would be one where data is decreased for the credit section of a movie and increase toward the high action sequences. A user might set modulation = 2.0 for movie credits and for the rest of the movie the codec will use quantizer needed to hit the users target bitrate (let's say it's 3.3) and when it reaches the credits it will switch to using 6.6 which will save bits on the credits. This can become rather confusing since a lower modulation level increases quality. (0.50 = 200% and 2=50%) To keep things simple modulation in the EKG is listed as a quality percentage. Since the modulation parameter is a multiplier of the Quantizer the range of the parameter is limited so that quality can be reduced by half or doubled. This is done by limiting the modulation parameter from 0.50 -> ' 2.0 1. Modulation Parameter range - 0.50 -> ' 2.0 Modulation Q 2 12 0.50 1 6 0.60 1.2 7.2 0.70 1.4 8.4 0.80 1.6 9.6 0.90 1.8 10.8 1 2 12 1.1 2.2 13.2 1.2 2.4 14.4 1.3 2.6 15.6 1.4 2.8 16.8 1.5 3 18 1.6 3.2 19.2 1.7 3.4 20.4 1.8 3.6 21.6 1.9 3.8 22.8 2 4 24 Fig 1 With this we can see that the quantizer can be reduced by 50% or increased by 200% (0.5 -> ' 2). To keep things simple and easily understood the EKG plots the "Modulation Parameter" (Quality) as a percentage instead of the multiplier. An example graph of how this done is shown in Fig 1. How Do I Use the EKG? Decide the destination where your log files will be written by the DivX Pro codec and accessed by the EKG for editing. Simply do this through the Bitrate Control Menu, Multipass encoding files section of the DivX Pro Codec. To prevent confusion later give your log file a unique name that corresponds to the video file. (i.e. TheMatrix.log) Encode your content as usual using Multipass Nth Pass Encoding. Make sure your run a full 2-Pass encode. You can encode your file to any destination but it is suggested you save the file in the same folder your log file has been written to. After the second pass <img src="http://www.insomnia.gr/ubbthreads/images/graemlins/wink.gif" alt="" /> of encoding is completed open the log file with the EKG. After the log file is opened you will be prompted to open the corresponding video file. Once the file is opened you'll immediately see your video along with a graph plotting the required information: Coding type (I-P- Motion Complexity Texture Complexity Frame Size Modulation Parameter The thin vertical black line represents the frame you are currently viewing. You can go to a specific sequence and see how data was allocated by using either the slider, play button or by using the hand icon to grab frames and slide along the graph. Determine a frame or sequence of frames where you want to increase or decrease quality. You can do this in the default screen or if you'd like to see data more prominently select the "Swap" button. Select the edit icon. After deciding which frames or sequences of frames you would like to modify use your mouse pointer to select a frame or group of frames. To select multiple frames or a sequence of frames hold down the "Shift" button. Once selected the frames will turn light blue and you will see a thick blue horizontal line representing the modulation parameter. Increase or decrease the quality for the selected frames by adjusting moving the modulation parameter, which is represented by the thick horizontal line. 100% represents the files current quality level. Moving the modulation to 150% will increase the quality by 50% of the original value and moving it down to 50% will decrease the quality to 50% of it's original value. After changing the modulation parameter the horizontal thin beige line will be changed representing your new modulation parameter. Once satisfied with your changes go to the EKG menu and select File ' Save Changes. Go back to your encoding application and run another pass of encoding using "Nth-Pass". The DivX Pro Codec will use the modified log file to re-encode your video changing the quality of the areas you have selected while adding to or subtracting data intelligently from other areas so that your selected changes are possible while still aiming at an accurate target bitrate and high quality. You should insure that you are using the correct log file. After running another encoding pass you can open the file again with EKG and see that the quality and data rate allocation of your video has been changed. You can modify it further or just decide that you're done and enjoy your video. You can also change any of the bar graphs to line graphs, parameters visible or not-visible, disable the video preview, change the information plotted on the X access, and zoom in and zoom out of your data
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