+/*
+// LordHavoc: disabled this because it desyncs with the video too easily
+extern cvar_t cl_avidemo;
+static FILE *cl_avidemo_soundfile = NULL;
+void S_CaptureAVISound(portable_samplepair_t *buf, int length)
+{
+ int i, n;
+ qbyte out[PAINTBUFFER_SIZE * 4];
+ char filename[MAX_OSPATH];
+
+ if (cl_avidemo.value >= 0.1f)
+ {
+ if (cl_avidemo_soundfile == NULL)
+ {
+ sprintf (filename, "%s/dpavi.wav", com_gamedir);
+ cl_avidemo_soundfile = fopen(filename, "wb");
+ memset(out, 0, 44);
+ fwrite(out, 1, 44, cl_avidemo_soundfile);
+ // header will be filled out when file is closed
+ }
+ fseek(cl_avidemo_soundfile, 0, SEEK_END);
+ // write the sound buffer as little endian 16bit interleaved stereo
+ for(i = 0;i < length;i++)
+ {
+ n = buf[i].left >> 2; // quiet enough to prevent clipping most of the time
+ n = bound(-32768, n, 32767);
+ out[i*4+0] = n & 0xFF;
+ out[i*4+1] = (n >> 8) & 0xFF;
+ n = buf[i].right >> 2; // quiet enough to prevent clipping most of the time
+ n = bound(-32768, n, 32767);
+ out[i*4+2] = n & 0xFF;
+ out[i*4+3] = (n >> 8) & 0xFF;
+ }
+ if (fwrite(out, 4, length, cl_avidemo_soundfile) < length)
+ {
+ Cvar_SetValueQuick(&cl_avidemo, 0);
+ Con_Printf("avi saving sound failed, out of disk space? stopping avi demo capture.\n");
+ }
+ }
+ else if (cl_avidemo_soundfile)
+ {
+ // file has not been closed yet, close it
+ fseek(cl_avidemo_soundfile, 0, SEEK_END);
+ i = ftell(cl_avidemo_soundfile);
+
+ //"RIFF", (int) unknown (chunk size), "WAVE",
+ //"fmt ", (int) 16 (chunk size), (short) format 1 (uncompressed PCM), (short) 2 channels, (int) unknown rate, (int) unknown bytes per second, (short) 4 bytes per sample (channels * bytes per channel), (short) 16 bits per channel
+ //"data", (int) unknown (chunk size)
+ memcpy(out, "RIFF****WAVEfmt \x10\x00\x00\x00\x01\x00\x02\x00********\x04\x00\x10\x00data****", 44);
+ // the length of the whole RIFF chunk
+ n = i - 8;
+ out[4] = (n) & 0xFF;
+ out[5] = (n >> 8) & 0xFF;
+ out[6] = (n >> 16) & 0xFF;
+ out[7] = (n >> 24) & 0xFF;
+ // rate
+ n = shm->speed;
+ out[24] = (n) & 0xFF;
+ out[25] = (n >> 8) & 0xFF;
+ out[26] = (n >> 16) & 0xFF;
+ out[27] = (n >> 24) & 0xFF;
+ // bytes per second (rate * channels * bytes per channel)
+ n = shm->speed * 4;
+ out[28] = (n) & 0xFF;
+ out[29] = (n >> 8) & 0xFF;
+ out[30] = (n >> 16) & 0xFF;
+ out[31] = (n >> 24) & 0xFF;
+ // the length of the data chunk
+ n = i - 44;
+ out[40] = (n) & 0xFF;
+ out[41] = (n >> 8) & 0xFF;
+ out[42] = (n >> 16) & 0xFF;
+ out[43] = (n >> 24) & 0xFF;
+
+ fseek(cl_avidemo_soundfile, 0, SEEK_SET);
+ fwrite(out, 1, 44, cl_avidemo_soundfile);
+ fclose(cl_avidemo_soundfile);
+ cl_avidemo_soundfile = NULL;
+ }
+}
+*/