Hi Steve, thanks for the advice. I placed the appropriate functions outside the while statement but I still get this error at the while loop: First-chance exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. Unhandled exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. It looks like the same error. I've attached the code below Thanks, Mon Portion of the revised code: decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); while (!(feof(fo))) // this is where the problem starts { fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } On 10/18/05, Steve Russell <srussell@innernet.net> wrote:> > Mon, > Here is feedback that I got concerning the access violation, i.e. the > failure of the while loop below. Does this solve the problem? > Steve > My guess is that speex_decoder_init() should be outside the while().. > loop > as speex_decoder_destroy() is also outside. > > ----- Original Message ----- > *From:* Mo Win <mowin.dev@gmail.com> > *To:* speex-dev@xiph.org > *Sent:* Monday, October 17, 2005 8:05 AM > *Subject:* [Speex-dev] Error Executing sampledec in VC++ > > hey guys, I just compiled an application similar to sampledec.c (for speex > 1.1.10) and it was fine but when I executed it, the app exited without > doing anything. I'm using MS VC 6.0 and this was all I got - First-chance > exception in sampledec.exe : 0xC0000005: Access Violation. Has anyone > encountered this / does anyone know how to deal with it? by the way, > sampleenc executed perfectly... > > When I removed the "while" loop in sampledec, the program executed fine (I > placed printf's to check which lines were executed). I also tried running > the loop only once (erasing only the while statement and retaining the code > within it) and it worked fine again. Something seems to be happening during > loop iteration that causes the program to terminate abnormally.. any clues? > thanks very much for any tip.. > > In gratitude, > Mon > > (Below is my code. it's almost exactly like sampleenc except I read a file > stream instead of stdin) > > #include "speex/speex.h" > > #include <stdio.h> > #include <iostream.h> > > void main () > { > // Definitions > #define FRAME_SIZE 160 > #define FIXED_POINT > > // Variable Declarations > FILE *fo, *fs; > short spx [FRAME_SIZE]; > float pcm [FRAME_SIZE]; > char cbits [200]; > int nbBytes, n, temp; > > void *decstate; > SpeexBits spxbits; > > > // Program starts here: > cout << "Starting spxdec...\n"; > fo = fopen("samp.spx","rb"); > > if (fo == NULL) > cout << "Error!\n"; > else > cout << "Okay!\n"; > > fs = fopen ("pcmfile", "wb"); > > if (fs == NULL) > cout << "Error creating file!\n"; > else > cout << "File created!\n"; > > > while (!(feof(fo))) > { > decstate = speex_decoder_init (&speex_nb_mode); > > // Set default options for decoding: > temp = 1; > speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); > > > // Initialize spxbits (structure SpeexBits) > speex_bits_init (&spxbits); > > > fread (&nbBytes, sizeof(int), 1, fo); > fread (cbits, 1, nbBytes, fo); > > cout << "1"; // just to see whether the loop iterates > > speex_bits_read_from (&spxbits, cbits, nbBytes); > speex_decode (decstate, &spxbits, pcm); > > > // Copy 1 frame from float pcm to short spx > for (n=0; n<FRAME_SIZE; n++) > spx [n] = pcm [n]; > > fwrite (spx, sizeof(short), FRAME_SIZE, fs); > > } > // end of loop > // Entire file has been read, decoded and saved > > speex_decoder_destroy (decstate); > speex_bits_destroy (&spxbits); > fclose (fo); > fclose (fs); > > cout << "Finished processing!\n"; > } > > ------------------------------ > > _______________________________________________ > Speex-dev mailing list > Speex-dev@xiph.org > http://lists.xiph.org/mailman/listinfo/speex-dev > >-------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/speex-dev/attachments/20051018/11754124/attachment.html
You should really do a check to make sure nbBytes isn't larger than 200, otherwise you're going to read past the end of your char array. fread (&nbBytes, sizeof(int), 1, fo); _____ From: speex-dev-bounces@xiph.org [mailto:speex-dev-bounces@xiph.org] On Behalf Of Mo Win Sent: Monday, October 17, 2005 7:31 PM To: speex-dev@xiph.org Subject: Re: [Speex-dev] Error Executing sampledec in VC++ Hi Steve, thanks for the advice. I placed the appropriate functions outside the while statement but I still get this error at the while loop: First-chance exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. Unhandled exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. It looks like the same error. I've attached the code below Thanks, Mon Portion of the revised code: decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); while (!(feof(fo))) // this is where the problem starts { fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } On 10/18/05, Steve Russell <srussell@innernet.net> wrote: Mon, Here is feedback that I got concerning the access violation, i.e. the failure of the while loop below. Does this solve the problem? Steve My guess is that speex_decoder_init() should be outside the while().. loop as speex_decoder_destroy() is also outside. ----- Original Message ----- From: Mo <mailto:mowin.dev@gmail.com> Win To: speex-dev@xiph.org Sent: Monday, October 17, 2005 8:05 AM Subject: [Speex-dev] Error Executing sampledec in VC++ hey guys, I just compiled an application similar to sampledec.c (for speex 1.1.10) and it was fine but when I executed it, the app exited without doing anything. I'm using MS VC 6.0 and this was all I got - First-chance exception in sampledec.exe : 0xC0000005: Access Violation. Has anyone encountered this / does anyone know how to deal with it? by the way, sampleenc executed perfectly... When I removed the "while" loop in sampledec, the program executed fine (I placed printf's to check which lines were executed). I also tried running the loop only once (erasing only the while statement and retaining the code within it) and it worked fine again. Something seems to be happening during loop iteration that causes the program to terminate abnormally.. any clues? thanks very much for any tip.. In gratitude, Mon (Below is my code. it's almost exactly like sampleenc except I read a file stream instead of stdin) #include "speex/speex.h" #include <stdio.h> #include <iostream.h> void main () { // Definitions #define FRAME_SIZE 160 #define FIXED_POINT // Variable Declarations FILE *fo, *fs; short spx [FRAME_SIZE]; float pcm [FRAME_SIZE]; char cbits [200]; int nbBytes, n, temp; void *decstate; SpeexBits spxbits; // Program starts here: cout << "Starting spxdec...\n"; fo = fopen("samp.spx","rb"); if (fo == NULL) cout << "Error!\n"; else cout << "Okay!\n"; fs = fopen ("pcmfile", "wb"); if (fs == NULL) cout << "Error creating file!\n"; else cout << "File created!\n"; while (!(feof(fo))) { decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } _____ _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/speex-dev/attachments/20051017/54dc7dba/attachment.html
Mon, Here is an additional post that came to me regarding your trouble. In the meantime, I will take your latest comments and see what more feedback we can get. I don't know what it is, and I haven't taken the time in the last few months to try again to get Speex going inside C++, but something about it has been much more difficult for me to grasp than both mmio and Ogg Vorbis. (That's not a criticism! I appreciate all the "free" efforts involved.) Steve steve, your speex decoding code looks ok, only you have to be sure that you have the spx file encoded correctly as well. the point is the problem could also be caused by the source file being read and if you are at all reading it correctly. what i'll probably do here is: 1. check the encoding code to validate the integrity of the spx file 2. check the decoding code if the sizes are being read correctly. the spx file here shows a certain formatting structure where each item size+data, so i assume this is a variable bitrate (VBR) encoding where item sizes could be of any value. to make it easier you can also do CBR, where your speex data are encoded on a constant bitrate. this will make debugging easier for starters until you know what the problem is. regards, ronald ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Cc: Steve Russell Sent: Monday, October 17, 2005 10:31 PM Subject: Re: [Speex-dev] Error Executing sampledec in VC++ Hi Steve, thanks for the advice. I placed the appropriate functions outside the while statement but I still get this error at the while loop: First-chance exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. Unhandled exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. It looks like the same error. I've attached the code below Thanks, Mon Portion of the revised code: decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); while (!(feof(fo))) // this is where the problem starts { fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } On 10/18/05, Steve Russell <srussell@innernet.net> wrote: Mon, Here is feedback that I got concerning the access violation, i.e. the failure of the while loop below. Does this solve the problem? Steve My guess is that speex_decoder_init() should be outside the while().. loop as speex_decoder_destroy() is also outside. ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Sent: Monday, October 17, 2005 8:05 AM Subject: [Speex-dev] Error Executing sampledec in VC++ hey guys, I just compiled an application similar to sampledec.c (for speex 1.1.10) and it was fine but when I executed it, the app exited without doing anything. I'm using MS VC 6.0 and this was all I got - First-chance exception in sampledec.exe : 0xC0000005: Access Violation. Has anyone encountered this / does anyone know how to deal with it? by the way, sampleenc executed perfectly... When I removed the "while" loop in sampledec, the program executed fine (I placed printf's to check which lines were executed). I also tried running the loop only once (erasing only the while statement and retaining the code within it) and it worked fine again. Something seems to be happening during loop iteration that causes the program to terminate abnormally.. any clues? thanks very much for any tip.. In gratitude, Mon (Below is my code. it's almost exactly like sampleenc except I read a file stream instead of stdin) #include "speex/speex.h" #include <stdio.h> #include <iostream.h> void main () { // Definitions #define FRAME_SIZE 160 #define FIXED_POINT // Variable Declarations FILE *fo, *fs; short spx [FRAME_SIZE]; float pcm [FRAME_SIZE]; char cbits [200]; int nbBytes, n, temp; void *decstate; SpeexBits spxbits; // Program starts here: cout << "Starting spxdec...\n"; fo = fopen("samp.spx","rb"); if (fo == NULL) cout << "Error!\n"; else cout << "Okay!\n"; fs = fopen ("pcmfile", "wb"); if (fs == NULL) cout << "Error creating file!\n"; else cout << "File created!\n"; while (!(feof(fo))) { decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } -------------------------------------------------------------------------- _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev -------------- next part -------------- An HTML attachment was scrubbed... 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Mon, Since the buffer check was mentioned, I will pass on the bulk of another post which has comments interwoven with your sample. This person admitted to not knowing Speex, but at least points out your buffer overflow possibility and maybe something else helpful. Steve> // Program starts here: > cout << "Starting spxdec...\n"; > fo = fopen("samp.spx","rb"); > > if (fo == NULL) > cout << "Error!\n";if its not open why continue?> else > cout << "Okay!\n"; > > fs = fopen ("pcmfile", "wb"); > > if (fs == NULL) > cout << "Error creating file!\n";again, why continue?> else > cout << "File created!\n"; > > > while (!(feof(fo))) > { > decstate = speex_decoder_init (&speex_nb_mode);maybe the decoder init doesn't like getting called multiple times?> > // Set default options for decoding: > temp = 1; > speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp);maybe the decoder ctl doesn't like getting called multiple times?> > > // Initialize spxbits (structure SpeexBits) > speex_bits_init (&spxbits);maybe the bits init doesn't like getting called multiple times?> > > fread (&nbBytes, sizeof(int), 1, fo); > fread (cbits, 1, nbBytes, fo);nbBytes could be >200 thus overflowing the buffer... all buffer sizes should be checked before being used.> > cout << "1"; // just to see whether the loop iterates > > speex_bits_read_from (&spxbits, cbits, nbBytes); > speex_decode (decstate, &spxbits, pcm); > > > // Copy 1 frame from float pcm to short spx > for (n=0; n<FRAME_SIZE; n++) > spx [n] = pcm [n]; > > fwrite (spx, sizeof(short), FRAME_SIZE, fs); > > } > // end of loop > // Entire file has been read, decoded and saved > > speex_decoder_destroy (decstate); > speex_bits_destroy (&spxbits); > fclose (fo); > fclose (fs); > > cout << "Finished processing!\n"; > }----------- ----- Original Message ----- From: Duane Storey To: 'Mo Win' ; speex-dev@xiph.org Sent: Monday, October 17, 2005 10:40 PM Subject: RE: [Speex-dev] Error Executing sampledec in VC++ You should really do a check to make sure nbBytes isn't larger than 200, otherwise you're going to read past the end of your char array. fread (&nbBytes, sizeof(int), 1, fo); ------------------------------------------------------------------------------ From: speex-dev-bounces@xiph.org [mailto:speex-dev-bounces@xiph.org] On Behalf Of Mo Win Sent: Monday, October 17, 2005 7:31 PM To: speex-dev@xiph.org Subject: Re: [Speex-dev] Error Executing sampledec in VC++ Hi Steve, thanks for the advice. I placed the appropriate functions outside the while statement but I still get this error at the while loop: First-chance exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. Unhandled exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. It looks like the same error. I've attached the code below Thanks, Mon Portion of the revised code: decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); while (!(feof(fo))) // this is where the problem starts { fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } On 10/18/05, Steve Russell <srussell@innernet.net> wrote: Mon, Here is feedback that I got concerning the access violation, i.e. the failure of the while loop below. Does this solve the problem? Steve My guess is that speex_decoder_init() should be outside the while().. loop as speex_decoder_destroy() is also outside. ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Sent: Monday, October 17, 2005 8:05 AM Subject: [Speex-dev] Error Executing sampledec in VC++ hey guys, I just compiled an application similar to sampledec.c (for speex 1.1.10) and it was fine but when I executed it, the app exited without doing anything. I'm using MS VC 6.0 and this was all I got - First-chance exception in sampledec.exe : 0xC0000005: Access Violation. Has anyone encountered this / does anyone know how to deal with it? by the way, sampleenc executed perfectly... When I removed the "while" loop in sampledec, the program executed fine (I placed printf's to check which lines were executed). I also tried running the loop only once (erasing only the while statement and retaining the code within it) and it worked fine again. Something seems to be happening during loop iteration that causes the program to terminate abnormally.. any clues? thanks very much for any tip.. In gratitude, Mon (Below is my code. it's almost exactly like sampleenc except I read a file stream instead of stdin) #include "speex/speex.h" #include <stdio.h> #include <iostream.h> void main () { // Definitions #define FRAME_SIZE 160 #define FIXED_POINT // Variable Declarations FILE *fo, *fs; short spx [FRAME_SIZE]; float pcm [FRAME_SIZE]; char cbits [200]; int nbBytes, n, temp; void *decstate; SpeexBits spxbits; // Program starts here: cout << "Starting spxdec...\n"; fo = fopen("samp.spx","rb"); if (fo == NULL) cout << "Error!\n"; else cout << "Okay!\n"; fs = fopen ("pcmfile", "wb"); if (fs == NULL) cout << "Error creating file!\n"; else cout << "File created!\n"; while (!(feof(fo))) { decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } ---------------------------------------------------------------------------- _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev ------------------------------------------------------------------------------ _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev -------------- next part -------------- An HTML attachment was scrubbed... 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Mon, You should be calling speex_bits_reset inside the loop. This resets some pointers to the beginning of the bit buffer. If you don't do this, the pointers will grow indefinitely. Look at testenc.c, or at the modified versions that I posted yesterday for the TI DSPs. You might want to get the example to run first, then modify it as you need. - Jim ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Sent: Monday, October 17, 2005 10:31 PM Subject: Re: [Speex-dev] Error Executing sampledec in VC++ Hi Steve, thanks for the advice. I placed the appropriate functions outside the while statement but I still get this error at the while loop: First-chance exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. Unhandled exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. It looks like the same error. I've attached the code below Thanks, Mon Portion of the revised code: decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); while (!(feof(fo))) // this is where the problem starts { fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } On 10/18/05, Steve Russell <srussell@innernet.net> wrote: Mon, Here is feedback that I got concerning the access violation, i.e. the failure of the while loop below. Does this solve the problem? Steve My guess is that speex_decoder_init() should be outside the while().. loop as speex_decoder_destroy() is also outside. ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Sent: Monday, October 17, 2005 8:05 AM Subject: [Speex-dev] Error Executing sampledec in VC++ hey guys, I just compiled an application similar to sampledec.c (for speex 1.1.10) and it was fine but when I executed it, the app exited without doing anything. I'm using MS VC 6.0 and this was all I got - First-chance exception in sampledec.exe : 0xC0000005: Access Violation. Has anyone encountered this / does anyone know how to deal with it? by the way, sampleenc executed perfectly... When I removed the "while" loop in sampledec, the program executed fine (I placed printf's to check which lines were executed). I also tried running the loop only once (erasing only the while statement and retaining the code within it) and it worked fine again. Something seems to be happening during loop iteration that causes the program to terminate abnormally.. any clues? thanks very much for any tip.. In gratitude, Mon (Below is my code. it's almost exactly like sampleenc except I read a file stream instead of stdin) #include "speex/speex.h" #include <stdio.h> #include <iostream.h> void main () { // Definitions #define FRAME_SIZE 160 #define FIXED_POINT // Variable Declarations FILE *fo, *fs; short spx [FRAME_SIZE]; float pcm [FRAME_SIZE]; char cbits [200]; int nbBytes, n, temp; void *decstate; SpeexBits spxbits; // Program starts here: cout << "Starting spxdec...\n"; fo = fopen("samp.spx","rb"); if (fo == NULL) cout << "Error!\n"; else cout << "Okay!\n"; fs = fopen ("pcmfile", "wb"); if (fs == NULL) cout << "Error creating file!\n"; else cout << "File created!\n"; while (!(feof(fo))) { decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } -------------------------------------------------------------------------- _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev ------------------------------------------------------------------------------ _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev -------------- next part -------------- An HTML attachment was scrubbed... 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One more bit of counsel I received that may or may not be needed by now, Mon -- Use the debug build of speex if you can. Break in the debugger and go up the call stack to locate where in your code it is faulting. Trace line by line if you have to. ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Cc: Steve Russell Sent: Monday, October 17, 2005 10:31 PM Subject: Re: [Speex-dev] Error Executing sampledec in VC++ Hi Steve, thanks for the advice. I placed the appropriate functions outside the while statement but I still get this error at the while loop: First-chance exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. Unhandled exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. It looks like the same error. I've attached the code below Thanks, Mon Portion of the revised code: decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); while (!(feof(fo))) // this is where the problem starts { fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } On 10/18/05, Steve Russell <srussell@innernet.net> wrote: Mon, Here is feedback that I got concerning the access violation, i.e. the failure of the while loop below. Does this solve the problem? Steve My guess is that speex_decoder_init() should be outside the while().. loop as speex_decoder_destroy() is also outside. ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Sent: Monday, October 17, 2005 8:05 AM Subject: [Speex-dev] Error Executing sampledec in VC++ hey guys, I just compiled an application similar to sampledec.c (for speex 1.1.10) and it was fine but when I executed it, the app exited without doing anything. I'm using MS VC 6.0 and this was all I got - First-chance exception in sampledec.exe : 0xC0000005: Access Violation. Has anyone encountered this / does anyone know how to deal with it? by the way, sampleenc executed perfectly... When I removed the "while" loop in sampledec, the program executed fine (I placed printf's to check which lines were executed). I also tried running the loop only once (erasing only the while statement and retaining the code within it) and it worked fine again. Something seems to be happening during loop iteration that causes the program to terminate abnormally.. any clues? thanks very much for any tip.. In gratitude, Mon (Below is my code. it's almost exactly like sampleenc except I read a file stream instead of stdin) #include "speex/speex.h" #include <stdio.h> #include <iostream.h> void main () { // Definitions #define FRAME_SIZE 160 #define FIXED_POINT // Variable Declarations FILE *fo, *fs; short spx [FRAME_SIZE]; float pcm [FRAME_SIZE]; char cbits [200]; int nbBytes, n, temp; void *decstate; SpeexBits spxbits; // Program starts here: cout << "Starting spxdec...\n"; fo = fopen("samp.spx","rb"); if (fo == NULL) cout << "Error!\n"; else cout << "Okay!\n"; fs = fopen ("pcmfile", "wb"); if (fs == NULL) cout << "Error creating file!\n"; else cout << "File created!\n"; while (!(feof(fo))) { decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } -------------------------------------------------------------------------- _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/speex-dev/attachments/20051018/8034544a/attachment.htm
Mon, How did your decoder inside Visual Studio turn out? Are you going to share the results? Steve Russell ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Cc: Steve Russell Sent: Monday, October 17, 2005 10:31 PM Subject: Re: [Speex-dev] Error Executing sampledec in VC++ Hi Steve, thanks for the advice. I placed the appropriate functions outside the while statement but I still get this error at the while loop: First-chance exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. Unhandled exception at 0x004010fa in SPXDEC.exe: 0xC0000005: Access violation reading location 0x0000000c. It looks like the same error. I've attached the code below Thanks, Mon Portion of the revised code: decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); while (!(feof(fo))) // this is where the problem starts { fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } On 10/18/05, Steve Russell <srussell@innernet.net> wrote: Mon, Here is feedback that I got concerning the access violation, i.e. the failure of the while loop below. Does this solve the problem? Steve My guess is that speex_decoder_init() should be outside the while().. loop as speex_decoder_destroy() is also outside. ----- Original Message ----- From: Mo Win To: speex-dev@xiph.org Sent: Monday, October 17, 2005 8:05 AM Subject: [Speex-dev] Error Executing sampledec in VC++ hey guys, I just compiled an application similar to sampledec.c (for speex 1.1.10) and it was fine but when I executed it, the app exited without doing anything. I'm using MS VC 6.0 and this was all I got - First-chance exception in sampledec.exe : 0xC0000005: Access Violation. Has anyone encountered this / does anyone know how to deal with it? by the way, sampleenc executed perfectly... When I removed the "while" loop in sampledec, the program executed fine (I placed printf's to check which lines were executed). I also tried running the loop only once (erasing only the while statement and retaining the code within it) and it worked fine again. Something seems to be happening during loop iteration that causes the program to terminate abnormally.. any clues? thanks very much for any tip.. In gratitude, Mon (Below is my code. it's almost exactly like sampleenc except I read a file stream instead of stdin) #include "speex/speex.h" #include <stdio.h> #include <iostream.h> void main () { // Definitions #define FRAME_SIZE 160 #define FIXED_POINT // Variable Declarations FILE *fo, *fs; short spx [FRAME_SIZE]; float pcm [FRAME_SIZE]; char cbits [200]; int nbBytes, n, temp; void *decstate; SpeexBits spxbits; // Program starts here: cout << "Starting spxdec...\n"; fo = fopen("samp.spx","rb"); if (fo == NULL) cout << "Error!\n"; else cout << "Okay!\n"; fs = fopen ("pcmfile", "wb"); if (fs == NULL) cout << "Error creating file!\n"; else cout << "File created!\n"; while (!(feof(fo))) { decstate = speex_decoder_init (&speex_nb_mode); // Set default options for decoding: temp = 1; speex_decoder_ctl(decstate, SPEEX_SET_ENH, &temp); // Initialize spxbits (structure SpeexBits) speex_bits_init (&spxbits); fread (&nbBytes, sizeof(int), 1, fo); fread (cbits, 1, nbBytes, fo); cout << "1"; // just to see whether the loop iterates speex_bits_read_from (&spxbits, cbits, nbBytes); speex_decode (decstate, &spxbits, pcm); // Copy 1 frame from float pcm to short spx for (n=0; n<FRAME_SIZE; n++) spx [n] = pcm [n]; fwrite (spx, sizeof(short), FRAME_SIZE, fs); } // end of loop // Entire file has been read, decoded and saved speex_decoder_destroy (decstate); speex_bits_destroy (&spxbits); fclose (fo); fclose (fs); cout << "Finished processing!\n"; } -------------------------------------------------------------------------- _______________________________________________ Speex-dev mailing list Speex-dev@xiph.org http://lists.xiph.org/mailman/listinfo/speex-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/speex-dev/attachments/20051025/abf32609/attachment.html