[SoX-users] Re lay with libsox

[WBX <gui...@gm...>]

Hi all,

I'm really newbie with sox and I having some problems. 

I've been able to compile libsox with mp3 options and now I would like to
write a simple Windows XP x86 library. The goal is receiving CVSD bytes
(64KHz sampling rate, 16 bits/word) decode them to WAV format and then pass
resulting bytes to mpg123.lib in order to play the audio.

As start point I focused myself on example5.c from source code but I'm
getting error bellow when using sox_mem operations (any of them):

            formats: can't open output file `': Invalid argument 

Here is draft code:

	static char buffer[buffer_size];
	static sox_format_t * in; // Input file
	static sox_format_t * out; // Input file
	sox_sample_t samples[MAX_SAMPLES]; // Temporary store whilst copying 
	size_t number_read;
	
	mpg123_handle *m;

	// All libSoX applications must start by initialising the SoX library
	if (sox_init() != SOX_SUCCESS) {
		fprintf(stderr,"Unable to initialize sox library\n");
		return -1;
	}

	// Open the input file (with default parameters)
	in = sox_open_read(argv[1], NULL, NULL, NULL);
	if (in == NULL)
	{
		fprintf(stdout,"Unable to open read\n");
		return -1;
	}

             // _____________ ERROR _____________
	out = sox_open_mem_write(&buffer, buffer_size, &in->signal, NULL, ".sox",
NULL);
             // _________________________________
	if (out == NULL)
	{
		fprintf(stdout,"Unable to open write\n");
		return -1;
	}

Any idea would be really appreciated.

Thanks in advance.

   Willy
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