X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=snd_mix.c;h=e7396cb8b81a239600a17f41f44339a8230aa050;hb=f97a302060bb0bbccceb90ab8506adefeb40d47e;hp=4e42a9674438432bed58fcf05ec39b9477e27010;hpb=d50445e9045ddea0d49857346597c57c129029e0;p=xonotic%2Fdarkplaces.git diff --git a/snd_mix.c b/snd_mix.c index 4e42a967..e7396cb8 100644 --- a/snd_mix.c +++ b/snd_mix.c @@ -17,12 +17,12 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -// snd_mix.c -- portable code to mix sounds for snd_dma.c +// snd_mix.c -- portable code to mix sounds #include "quakedef.h" #include "snd_main.h" -typedef struct +typedef struct portable_samplepair_s { int left; int right; @@ -32,83 +32,29 @@ typedef struct #define PAINTBUFFER_SIZE 2048 portable_samplepair_t paintbuffer[PAINTBUFFER_SIZE]; -// FIXME: it desyncs with the video too easily -extern cvar_t cl_avidemo; -static qfile_t *cl_avidemo_soundfile = NULL; +// FIXME: this desyncs with the video too easily +extern qboolean cl_capturevideo_active; +extern void SCR_CaptureVideo_SoundFrame(qbyte *bufstereo16le, size_t length, int rate); void S_CaptureAVISound(portable_samplepair_t *buf, size_t length) { int n; size_t i; qbyte out[PAINTBUFFER_SIZE * 4]; - - if (cl_avidemo.value >= 0.1f) + if (!cl_capturevideo_active) + return; + // write the sound buffer as little endian 16bit interleaved stereo + for(i = 0;i < length;i++) { - if (cl_avidemo_soundfile == NULL) - { - cl_avidemo_soundfile = FS_Open ("video/dpavi.wav", "wb", false); - memset(out, 0, 44); - FS_Write (cl_avidemo_soundfile, out, 44); - // header will be filled out when file is closed - } - FS_Seek (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 (FS_Write (cl_avidemo_soundfile, out, 4 * length) < 4 * length) - { - Cvar_SetValueQuick(&cl_avidemo, 0); - Con_Print("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 - FS_Seek (cl_avidemo_soundfile, 0, SEEK_END); - i = FS_Tell (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\0data****", 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->format.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->format.speed * 2 * 2; - 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; - - FS_Seek (cl_avidemo_soundfile, 0, SEEK_SET); - FS_Write (cl_avidemo_soundfile, out, 44); - FS_Close (cl_avidemo_soundfile); - cl_avidemo_soundfile = NULL; + n = buf[i].left; + n = bound(-32768, n, 32767); + out[i*4+0] = n & 0xFF; + out[i*4+1] = (n >> 8) & 0xFF; + n = buf[i].right; + n = bound(-32768, n, 32767); + out[i*4+2] = n & 0xFF; + out[i*4+3] = (n >> 8) & 0xFF; } + SCR_CaptureVideo_SoundFrame(out, length, shm->format.speed); } // TODO: rewrite this function @@ -292,9 +238,7 @@ void S_PaintChannels(int endtime) // if the channel is paused if (ch->flags & CHANNELFLAG_PAUSED) { - size_t pausedtime; - - pausedtime = end - paintedtime; + int pausedtime = end - paintedtime; ch->lastptime += pausedtime; ch->end += pausedtime; continue; @@ -333,7 +277,7 @@ void S_PaintChannels(int endtime) // paint up to end if (ch->end < end) - count = ch->end - ltime; + count = (int)ch->end - ltime; else count = end - ltime; @@ -411,7 +355,7 @@ qboolean SND_PaintChannelFrom8 (channel_t *ch, int count) // Stereo sound support if (ch->sfx->format.channels == 2) { - sfx = sb->data + (ch->pos - sb->offset) * 2; + sfx = (signed char *)sb->data + (ch->pos - sb->offset) * 2; for (i = 0;i < count;i++) { paintbuffer[i].left += (*sfx++ * leftvol) >> 8; @@ -420,13 +364,12 @@ qboolean SND_PaintChannelFrom8 (channel_t *ch, int count) } else { - sfx = sb->data + ch->pos - sb->offset; + sfx = (signed char *)sb->data + ch->pos - sb->offset; for (i = 0;i < count;i++) { paintbuffer[i].left += (*sfx * leftvol) >> 8; paintbuffer[i].right += (*sfx++ * rightvol) >> 8; } - } ch->pos += count; return true;