apple.davinci's articles:

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How to stream from a file using ffserver ,ffmpeg and mplayer 0 18 (7/26/2007 4:49:59 AM) comp.os.linux.networking What I do is : 1. ffserver -f ffserver.conf& 2. ffmepg -r 30 -s 320x240 -an -i ~/test/dvd.avi http://localhost:8090/feed1.ffm 3. mplayer http://localhost:8090/test.asf but the ffmpeg exit after a few seconds ==... DaVinci

How to stream from a file using ffserver ,ffmpeg and mplayer 0 93 (7/26/2007 4:47:48 AM) comp.os.linux.misc What I do is : 1. ffserver -f ffserver.conf& 2. ffmepg -r 30 -s 320x240 -an -i ~/test/dvd.avi http://localhost:8090/feed1.ffm 3. mplayer http://localhost:8090/test.asf but the ffmpeg exit after a few seconds ==... DaVinci

why there is no sound for the demo prgrame of alsa lib 1 36 (3/18/2007 5:24:32 AM) comp.unix.programmer http://www.alsa-project.org/alsa-doc/alsa-lib/_2test_2pcm__min_8c-example.html 0001 / 00002 * This extra small demo sends a random samples to your speakers. 00003 */ 00004 00005 #include "../include/asound... DaVinci

"cat xyz.wav > /dev/dsp " why there are no audio 6 38 (3/17/2007 2:58:24 PM) comp.os.linux.misc alsa. devices such as /dev/dsp /dev/mixer,/dev/audio existed. the player xmms,and other player works well. but I do this :"cat xyz.wav">/dev/dsp,there is no effect. why? thanks. ... DaVinci

what's wrong with the macro 38 44 (10/22/2006 7:03:25 AM) comp.lang.c #include #include #include #define SECONDS_PER_YEAR (60*60*24*365)UL int main() { unsigned long int u_i = SECONDS_PER_YEAR; printf("%lu\n",u_i); return 0; } cc -g -c -Wall -std=c99 -DDEBUG defin... DaVinci

how can I get warning ? 5 30 (10/17/2006 10:59:04 AM) comp.lang.c int main() { double d = 33.33; int i = d; return 0; } Makefile: gcc -c -g -Wall -std=c99 test.c but I can't get any warning information. how can I get the warning on the type converation? ... DaVinci

what' wrong with my simple codes on reader/writer problem ,the writer thread never run 1 23 (10/5/2006 5:22:36 AM) comp.lang.java.programmer The Problem is the writer never had changes to run? but ,why? Thanks. Codes: import java.awt.*; import java.util.concurrent.locks.*; public class Main { public static void main(String[] args) { ... DaVinci

how to solve the philosopher problem .and what's wrong with my codes. 16 46 (9/28/2006 9:59:52 AM) comp.unix.programmer Only one thread created ,the others doesn't why? #include #include #include #define NUM 5 #define LEFT (i+NUM-1)%NUM #define RIGHT (i+1)%NUM #define FREE 0 #define USED 1 struct Fork { int flag; int num... DaVinci

sendto:: Invalid argument. 1 99 (9/21/2006 7:48:24 AM) comp.unix.programmer #define PORT 2223 why htonl(PORT) will make sendto() if(sendto(sockfd,buff3,10,0, (struct sockaddr*)&sad,sizeof(sad))<0) error,but htons(PORTPort) will not ? the error is : sendto:: Invalid argume... DaVinci

what's the meaning of the macro 1 40 (9/11/2006 1:36:29 PM) comp.lang.c I had thinked about the implements of variable argument for a long time. But I only know a little about it on the following macro. Could you please explain it for me? more detail.Thanks very much. typedef cha... DaVinci

apple.davinci's replies:

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the sound of mp3 played on ARM is more faster than played intel pc. 7 37 (8/26/2006 5:43:59 AM) comp.arch.embedded the sound of mp3 played on ARM is more faster than played intel pc. the player is madplay. 00:01:34 Layer III, 128 kbps, 44100 Hz, joint stereo (MS), CR what can do to make the sound player on ARM is the s... apple.davinci (92)

69 how to rename all the cpp langage file(*.cpp) in different directory to c language file(*.c)? 5 21 (9/9/2006 11:30:27 AM) comp.os.linux.misc Hi, I had a problem to rename all my cpp file to c file. I had tried like this: mv *.cpp *.c , which is not work. any other suggestion? thanks very much? ... apple.davinci (92)

how to generate dependent file in Makefile automatically? 5 45 (9/9/2006 11:41:37 AM) comp.unix.programmer like this : a.o:a.c a.h x.h y.h z.h it is so easy to make a mistake . so I want to know how to generate the dependent relations in Makfile automatically? I had tried in my ways ,but it isnot work. a simple e... apple.davinci (92)

Pow() doesn't give me the correct result 2 43 (9/16/2006 12:06:16 PM) comp.unix.programmer I tried to obtain the power of a number i.e say I used something like pow(2.0,3.0) in my program. Initially it said error undefined symbol : pow() . Then I linked the library libbsd.a. Then it got cmpiled but i... Itzramki (1)

sendto:: Invalid argument. 1 99 (9/21/2006 7:48:24 AM) comp.unix.programmer #define PORT 2223 why htonl(PORT) will make sendto() if(sendto(sockfd,buff3,10,0, (struct sockaddr*)&sad,sizeof(sad))<0) error,but htons(PORTPort) will not ? the error is : sendto:: Invalid argume... apple.davinci (92)

how to solve the philosopher problem .and what's wrong with my codes. 16 46 (9/28/2006 9:59:52 AM) comp.unix.programmer Only one thread created ,the others doesn't why? #include #include #include #define NUM 5 #define LEFT (i+NUM-1)%NUM #define RIGHT (i+1)%NUM #define FREE 0 #define USED 1 struct Fork { int flag; int num... apple.davinci (92)

raise(9) or exit(1) what should be done in to exit multithreded program to handle exception 7 47 (10/4/2006 5:43:36 AM) comp.unix.programmer If we want to exit from a multithreded program inorder to handle an exception, then what is the preferred way of doing this, exit(1) or raise(9). ... rishabh.garg (21)

how can I get warning ? 5 30 (10/17/2006 10:59:04 AM) comp.lang.c int main() { double d = 33.33; int i = d; return 0; } Makefile: gcc -c -g -Wall -std=c99 test.c but I can't get any warning information. how can I get the warning on the type converation? ... apple.davinci (92)

"cat xyz.wav > /dev/dsp " why there are no audio 6 38 (3/17/2007 2:58:24 PM) comp.os.linux.misc alsa. devices such as /dev/dsp /dev/mixer,/dev/audio existed. the player xmms,and other player works well. but I do this :"cat xyz.wav">/dev/dsp,there is no effect. why? thanks. ... apple.davinci (92)

why there is no sound for the demo prgrame of alsa lib 1 36 (3/18/2007 5:24:32 AM) comp.unix.programmer http://www.alsa-project.org/alsa-doc/alsa-lib/_2test_2pcm__min_8c-example.html 0001 / 00002 * This extra small demo sends a random samples to your speakers. 00003 */ 00004 00005 #include "../include/asound... apple.davinci (92)