10 // video capture cvars
11 static cvar_t cl_capturevideo_ogg_theora_quality = {CVAR_SAVE, "cl_capturevideo_ogg_theora_quality", "32", "video quality factor (0 to 63), or -1 to use bitrate only; higher is better"};
12 static cvar_t cl_capturevideo_ogg_theora_bitrate = {CVAR_SAVE, "cl_capturevideo_ogg_theora_bitrate", "-1", "video bitrate (45 to 2000 kbps), or -1 to use quality only; higher is better"};
13 static cvar_t cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier = {CVAR_SAVE, "cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier", "1.5", "how much more bit rate to use for keyframes, specified as a factor of at least 1"};
14 static cvar_t cl_capturevideo_ogg_theora_keyframe_frequency = {CVAR_SAVE, "cl_capturevideo_ogg_theora_keyframe_frequency", "64", "maximum number of frames between two key frames (1 to 1000)"};
15 static cvar_t cl_capturevideo_ogg_theora_keyframe_mindistance = {CVAR_SAVE, "cl_capturevideo_ogg_theora_keyframe_mindistance", "8", "minimum number of frames between two key frames (1 to 1000)"};
16 static cvar_t cl_capturevideo_ogg_theora_keyframe_auto_threshold = {CVAR_SAVE, "cl_capturevideo_ogg_theora_keyframe_auto_threshold", "80", "threshold for key frame decision (0 to 100)"};
17 static cvar_t cl_capturevideo_ogg_theora_noise_sensitivity = {CVAR_SAVE, "cl_capturevideo_ogg_theora_noise_sensitivity", "1", "video noise sensitivity (0 to 6); lower is better"};
18 static cvar_t cl_capturevideo_ogg_theora_sharpness = {CVAR_SAVE, "cl_capturevideo_ogg_theora_sharpness", "0", "sharpness (0 to 2); lower is sharper"};
19 static cvar_t cl_capturevideo_ogg_vorbis_quality = {CVAR_SAVE, "cl_capturevideo_ogg_vorbis_quality", "1", "audio quality (-1 to 10); higher is better"};
23 typedef __int16 ogg_int16_t;
24 typedef unsigned __int16 ogg_uint16_t;
25 typedef __int32 ogg_int32_t;
26 typedef unsigned __int32 ogg_uint32_t;
27 typedef __int64 ogg_int64_t;
29 typedef int16_t ogg_int16_t;
30 typedef uint16_t ogg_uint16_t;
31 typedef int32_t ogg_int32_t;
32 typedef uint32_t ogg_uint32_t;
33 typedef int64_t ogg_int64_t;
40 unsigned char *buffer;
45 /* ogg_page is used to encapsulate the data in one Ogg bitstream page *****/
48 unsigned char *header;
54 /* ogg_stream_state contains the current encode/decode state of a logical
55 Ogg bitstream **********************************************************/
58 unsigned char *body_data; /* bytes from packet bodies */
59 long body_storage; /* storage elements allocated */
60 long body_fill; /* elements stored; fill mark */
61 long body_returned; /* elements of fill returned */
64 int *lacing_vals; /* The values that will go to the segment table */
65 ogg_int64_t *granule_vals; /* granulepos values for headers. Not compact
66 this way, but it is simple coupled to the
73 unsigned char header[282]; /* working space for header encode */
76 int e_o_s; /* set when we have buffered the last packet in the
78 int b_o_s; /* set after we've written the initial page
79 of a logical bitstream */
82 ogg_int64_t packetno; /* sequence number for decode; the framing
83 knows where there's a hole in the data,
84 but we need coupling so that the codec
85 (which is in a seperate abstraction
86 layer) also knows about the gap */
87 ogg_int64_t granulepos;
91 /* ogg_packet is used to encapsulate the data and metadata belonging
92 to a single raw Ogg/Vorbis packet *************************************/
95 unsigned char *packet;
100 ogg_int64_t granulepos;
102 ogg_int64_t packetno; /* sequence number for decode; the framing
103 knows where there's a hole in the data,
104 but we need coupling so that the codec
105 (which is in a seperate abstraction
106 layer) also knows about the gap */
120 /* Ogg BITSTREAM PRIMITIVES: encoding **************************/
122 static int (*qogg_stream_packetin) (ogg_stream_state *os, ogg_packet *op);
123 static int (*qogg_stream_pageout) (ogg_stream_state *os, ogg_page *og);
124 static int (*qogg_stream_flush) (ogg_stream_state *os, ogg_page *og);
126 /* Ogg BITSTREAM PRIMITIVES: general ***************************/
128 static int (*qogg_stream_init) (ogg_stream_state *os,int serialno);
129 static int (*qogg_stream_clear) (ogg_stream_state *os);
130 static ogg_int64_t (*qogg_page_granulepos) (ogg_page *og);
132 // end of ogg.h stuff
134 // vorbis/codec.h stuff
135 typedef struct vorbis_info{
140 /* The below bitrate declarations are *hints*.
141 Combinations of the three values carry the following implications:
143 all three set to the same value:
144 implies a fixed rate bitstream
146 implies a VBR stream that averages the nominal bitrate. No hard
148 upper and or lower set:
149 implies a VBR bitstream that obeys the bitrate limits. nominal
150 may also be set to give a nominal rate.
152 the coder does not care to speculate.
156 long bitrate_nominal;
163 /* vorbis_dsp_state buffers the current vorbis audio
164 analysis/synthesis state. The DSP state belongs to a specific
165 logical bitstream ****************************************************/
166 typedef struct vorbis_dsp_state{
184 ogg_int64_t granulepos;
185 ogg_int64_t sequence;
187 ogg_int64_t glue_bits;
188 ogg_int64_t time_bits;
189 ogg_int64_t floor_bits;
190 ogg_int64_t res_bits;
195 typedef struct vorbis_block{
196 /* necessary stream state for linking to the framing abstraction */
197 float **pcm; /* this is a pointer into local storage */
207 ogg_int64_t granulepos;
208 ogg_int64_t sequence;
209 vorbis_dsp_state *vd; /* For read-only access of configuration */
211 /* local storage to avoid remallocing; it's up to the mapping to
217 struct alloc_chain *reap;
219 /* bitmetrics for the frame */
229 /* vorbis_block is a single block of data to be processed as part of
230 the analysis/synthesis stream; it belongs to a specific logical
231 bitstream, but is independant from other vorbis_blocks belonging to
232 that logical bitstream. *************************************************/
236 struct alloc_chain *next;
239 /* vorbis_info contains all the setup information specific to the
240 specific compression/decompression mode in progress (eg,
241 psychoacoustic settings, channel setup, options, codebook
242 etc). vorbis_info and substructures are in backends.h.
243 *********************************************************************/
245 /* the comments are not part of vorbis_info so that vorbis_info can be
247 typedef struct vorbis_comment{
248 /* unlimited user comment fields. libvorbis writes 'libvorbis'
249 whatever vendor is set to in encode */
250 char **user_comments;
251 int *comment_lengths;
258 /* libvorbis encodes in two abstraction layers; first we perform DSP
259 and produce a packet (see docs/analysis.txt). The packet is then
260 coded into a framed OggSquish bitstream by the second layer (see
261 docs/framing.txt). Decode is the reverse process; we sync/frame
262 the bitstream and extract individual packets, then decode the
263 packet back into PCM audio.
265 The extra framing/packetizing is used in streaming formats, such as
266 files. Over the net (such as with UDP), the framing and
267 packetization aren't necessary as they're provided by the transport
268 and the streaming layer is not used */
270 /* Vorbis PRIMITIVES: general ***************************************/
272 static void (*qvorbis_info_init) (vorbis_info *vi);
273 static void (*qvorbis_info_clear) (vorbis_info *vi);
274 static void (*qvorbis_comment_init) (vorbis_comment *vc);
275 static void (*qvorbis_comment_clear) (vorbis_comment *vc);
277 static int (*qvorbis_block_init) (vorbis_dsp_state *v, vorbis_block *vb);
278 static int (*qvorbis_block_clear) (vorbis_block *vb);
279 static void (*qvorbis_dsp_clear) (vorbis_dsp_state *v);
280 static double (*qvorbis_granule_time) (vorbis_dsp_state *v,
281 ogg_int64_t granulepos);
283 /* Vorbis PRIMITIVES: analysis/DSP layer ****************************/
285 static int (*qvorbis_analysis_init) (vorbis_dsp_state *v,vorbis_info *vi);
286 static int (*qvorbis_commentheader_out) (vorbis_comment *vc, ogg_packet *op);
287 static int (*qvorbis_analysis_headerout) (vorbis_dsp_state *v,
291 ogg_packet *op_code);
292 static float ** (*qvorbis_analysis_buffer) (vorbis_dsp_state *v,int vals);
293 static int (*qvorbis_analysis_wrote) (vorbis_dsp_state *v,int vals);
294 static int (*qvorbis_analysis_blockout) (vorbis_dsp_state *v,vorbis_block *vb);
295 static int (*qvorbis_analysis) (vorbis_block *vb,ogg_packet *op);
297 static int (*qvorbis_bitrate_addblock) (vorbis_block *vb);
298 static int (*qvorbis_bitrate_flushpacket) (vorbis_dsp_state *vd,
301 // end of vorbis/codec.h stuff
304 static int (*qvorbis_encode_init_vbr) (vorbis_info *vi,
308 float base_quality /* quality level from 0. (lo) to 1. (hi) */
310 // end of vorbisenc.h stuff
314 int y_width; /**< Width of the Y' luminance plane */
315 int y_height; /**< Height of the luminance plane */
316 int y_stride; /**< Offset in bytes between successive rows */
318 int uv_width; /**< Width of the Cb and Cr chroma planes */
319 int uv_height; /**< Height of the chroma planes */
320 int uv_stride; /**< Offset between successive chroma rows */
321 unsigned char *y; /**< Pointer to start of luminance data */
322 unsigned char *u; /**< Pointer to start of Cb data */
323 unsigned char *v; /**< Pointer to start of Cr data */
331 OC_CS_UNSPECIFIED, /**< The colorspace is unknown or unspecified */
332 OC_CS_ITU_REC_470M, /**< This is the best option for 'NTSC' content */
333 OC_CS_ITU_REC_470BG, /**< This is the best option for 'PAL' content */
334 OC_CS_NSPACES /**< This marks the end of the defined colorspaces */
338 * A Chroma subsampling
340 * These enumerate the available chroma subsampling options supported
341 * by the theora format. See Section 4.4 of the specification for
345 OC_PF_420, /**< Chroma subsampling by 2 in each direction (4:2:0) */
346 OC_PF_RSVD, /**< Reserved value */
347 OC_PF_422, /**< Horizonatal chroma subsampling by 2 (4:2:2) */
348 OC_PF_444, /**< No chroma subsampling at all (4:4:4) */
349 } theora_pixelformat;
351 * Theora bitstream info.
352 * Contains the basic playback parameters for a stream,
353 * corresponding to the initial 'info' header packet.
355 * Encoded theora frames must be a multiple of 16 in width and height.
356 * To handle other frame sizes, a crop rectangle is specified in
357 * frame_height and frame_width, offset_x and * offset_y. The offset
358 * and size should still be a multiple of 2 to avoid chroma sampling
359 * shifts. Offset values in this structure are measured from the
360 * upper left of the image.
362 * Frame rate, in frames per second, is stored as a rational
363 * fraction. Aspect ratio is also stored as a rational fraction, and
364 * refers to the aspect ratio of the frame pixels, not of the
365 * overall frame itself.
367 * See <a href="http://svn.xiph.org/trunk/theora/examples/encoder_example.c">
368 * examples/encoder_example.c</a> for usage examples of the
369 * other paramters and good default settings for the encoder parameters.
372 ogg_uint32_t width; /**< encoded frame width */
373 ogg_uint32_t height; /**< encoded frame height */
374 ogg_uint32_t frame_width; /**< display frame width */
375 ogg_uint32_t frame_height; /**< display frame height */
376 ogg_uint32_t offset_x; /**< horizontal offset of the displayed frame */
377 ogg_uint32_t offset_y; /**< vertical offset of the displayed frame */
378 ogg_uint32_t fps_numerator; /**< frame rate numerator **/
379 ogg_uint32_t fps_denominator; /**< frame rate denominator **/
380 ogg_uint32_t aspect_numerator; /**< pixel aspect ratio numerator */
381 ogg_uint32_t aspect_denominator; /**< pixel aspect ratio denominator */
382 theora_colorspace colorspace; /**< colorspace */
383 int target_bitrate; /**< nominal bitrate in bits per second */
384 int quality; /**< Nominal quality setting, 0-63 */
385 int quick_p; /**< Quick encode/decode */
388 unsigned char version_major;
389 unsigned char version_minor;
390 unsigned char version_subminor;
397 ogg_uint32_t keyframe_frequency;
398 ogg_uint32_t keyframe_frequency_force; /* also used for decode init to
399 get granpos shift correct */
400 ogg_uint32_t keyframe_data_target_bitrate;
401 ogg_int32_t keyframe_auto_threshold;
402 ogg_uint32_t keyframe_mindistance;
403 ogg_int32_t noise_sensitivity;
404 ogg_int32_t sharpness;
406 theora_pixelformat pixelformat; /**< chroma subsampling mode to expect */
410 /** Codec internal state and context.
414 ogg_int64_t granulepos;
416 void *internal_encode;
417 void *internal_decode;
422 * Comment header metadata.
424 * This structure holds the in-stream metadata corresponding to
425 * the 'comment' header packet.
427 * Meta data is stored as a series of (tag, value) pairs, in
428 * length-encoded string vectors. The first occurence of the
429 * '=' character delimits the tag and value. A particular tag
430 * may occur more than once. The character set encoding for
431 * the strings is always UTF-8, but the tag names are limited
432 * to case-insensitive ASCII. See the spec for details.
434 * In filling in this structure, qtheora_decode_header() will
435 * null-terminate the user_comment strings for safety. However,
436 * the bitstream format itself treats them as 8-bit clean,
437 * and so the length array should be treated as authoritative
440 typedef struct theora_comment{
441 char **user_comments; /**< An array of comment string vectors */
442 int *comment_lengths; /**< An array of corresponding string vector lengths in bytes */
443 int comments; /**< The total number of comment string vectors */
444 char *vendor; /**< The vendor string identifying the encoder, null terminated */
447 static int (*qtheora_encode_init) (theora_state *th, theora_info *ti);
448 static int (*qtheora_encode_YUVin) (theora_state *t, yuv_buffer *yuv);
449 static int (*qtheora_encode_packetout) ( theora_state *t, int last_p,
451 static int (*qtheora_encode_header) (theora_state *t, ogg_packet *op);
452 static int (*qtheora_encode_comment) (theora_comment *tc, ogg_packet *op);
453 static int (*qtheora_encode_tables) (theora_state *t, ogg_packet *op);
454 static void (*qtheora_info_init) (theora_info *c);
455 static void (*qtheora_info_clear) (theora_info *c);
456 static void (*qtheora_clear) (theora_state *t);
457 static void (*qtheora_comment_init) (theora_comment *tc);
458 static void (*qtheora_comment_clear) (theora_comment *tc);
459 static double (*qtheora_granule_time) (theora_state *th,ogg_int64_t granulepos);
460 // end of theora.h stuff
462 static dllfunction_t oggfuncs[] =
464 {"ogg_stream_packetin", (void **) &qogg_stream_packetin},
465 {"ogg_stream_pageout", (void **) &qogg_stream_pageout},
466 {"ogg_stream_flush", (void **) &qogg_stream_flush},
467 {"ogg_stream_init", (void **) &qogg_stream_init},
468 {"ogg_stream_clear", (void **) &qogg_stream_clear},
469 {"ogg_page_granulepos", (void **) &qogg_page_granulepos},
473 static dllfunction_t vorbisencfuncs[] =
475 {"vorbis_encode_init_vbr", (void **) &qvorbis_encode_init_vbr},
479 static dllfunction_t vorbisfuncs[] =
481 {"vorbis_info_init", (void **) &qvorbis_info_init},
482 {"vorbis_info_clear", (void **) &qvorbis_info_clear},
483 {"vorbis_comment_init", (void **) &qvorbis_comment_init},
484 {"vorbis_comment_clear", (void **) &qvorbis_comment_clear},
485 {"vorbis_block_init", (void **) &qvorbis_block_init},
486 {"vorbis_block_clear", (void **) &qvorbis_block_clear},
487 {"vorbis_dsp_clear", (void **) &qvorbis_dsp_clear},
488 {"vorbis_analysis_init", (void **) &qvorbis_analysis_init},
489 {"vorbis_commentheader_out", (void **) &qvorbis_commentheader_out},
490 {"vorbis_analysis_headerout", (void **) &qvorbis_analysis_headerout},
491 {"vorbis_analysis_buffer", (void **) &qvorbis_analysis_buffer},
492 {"vorbis_analysis_wrote", (void **) &qvorbis_analysis_wrote},
493 {"vorbis_analysis_blockout", (void **) &qvorbis_analysis_blockout},
494 {"vorbis_analysis", (void **) &qvorbis_analysis},
495 {"vorbis_bitrate_addblock", (void **) &qvorbis_bitrate_addblock},
496 {"vorbis_bitrate_flushpacket", (void **) &qvorbis_bitrate_flushpacket},
497 {"vorbis_granule_time", (void **) &qvorbis_granule_time},
501 static dllfunction_t theorafuncs[] =
503 {"theora_info_init", (void **) &qtheora_info_init},
504 {"theora_info_clear", (void **) &qtheora_info_clear},
505 {"theora_comment_init", (void **) &qtheora_comment_init},
506 {"theora_comment_clear", (void **) &qtheora_comment_clear},
507 {"theora_encode_init", (void **) &qtheora_encode_init},
508 {"theora_encode_YUVin", (void **) &qtheora_encode_YUVin},
509 {"theora_encode_packetout", (void **) &qtheora_encode_packetout},
510 {"theora_encode_header", (void **) &qtheora_encode_header},
511 {"theora_encode_comment", (void **) &qtheora_encode_comment},
512 {"theora_encode_tables", (void **) &qtheora_encode_tables},
513 {"theora_clear", (void **) &qtheora_clear},
514 {"theora_granule_time", (void **) &qtheora_granule_time},
518 static dllhandle_t og_dll = NULL, vo_dll = NULL, ve_dll = NULL, th_dll = NULL;
520 qboolean SCR_CaptureVideo_Ogg_OpenLibrary()
522 const char* dllnames_og [] =
529 #elif defined(MACOSX)
537 const char* dllnames_vo [] =
544 #elif defined(MACOSX)
552 const char* dllnames_ve [] =
555 "libvorbisenc64.dll",
559 #elif defined(MACOSX)
560 "libvorbisenc.dylib",
567 const char* dllnames_th [] =
574 #elif defined(MACOSX)
584 Sys_LoadLibrary (dllnames_og, &og_dll, oggfuncs)
586 Sys_LoadLibrary (dllnames_th, &th_dll, theorafuncs)
588 Sys_LoadLibrary (dllnames_vo, &vo_dll, vorbisfuncs)
590 Sys_LoadLibrary (dllnames_ve, &ve_dll, vorbisencfuncs);
593 void SCR_CaptureVideo_Ogg_Init()
595 SCR_CaptureVideo_Ogg_OpenLibrary();
597 Cvar_RegisterVariable(&cl_capturevideo_ogg_theora_quality);
598 Cvar_RegisterVariable(&cl_capturevideo_ogg_theora_bitrate);
599 Cvar_RegisterVariable(&cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier);
600 Cvar_RegisterVariable(&cl_capturevideo_ogg_theora_keyframe_frequency);
601 Cvar_RegisterVariable(&cl_capturevideo_ogg_theora_keyframe_mindistance);
602 Cvar_RegisterVariable(&cl_capturevideo_ogg_theora_keyframe_auto_threshold);
603 Cvar_RegisterVariable(&cl_capturevideo_ogg_theora_noise_sensitivity);
604 Cvar_RegisterVariable(&cl_capturevideo_ogg_vorbis_quality);
607 qboolean SCR_CaptureVideo_Ogg_Available()
609 return og_dll && th_dll && vo_dll && ve_dll;
612 void SCR_CaptureVideo_Ogg_CloseDLL()
614 Sys_UnloadLibrary (&ve_dll);
615 Sys_UnloadLibrary (&vo_dll);
616 Sys_UnloadLibrary (&th_dll);
617 Sys_UnloadLibrary (&og_dll);
620 typedef struct capturevideostate_ogg_formatspecific_s
622 ogg_stream_state to, vo;
623 int serial1, serial2;
636 qboolean have_videopage;
637 qboolean have_audiopage;
639 capturevideostate_ogg_formatspecific_t;
640 #define LOAD_FORMATSPECIFIC_OGG() capturevideostate_ogg_formatspecific_t *format = (capturevideostate_ogg_formatspecific_t *) cls.capturevideo.formatspecific
642 #define INTERLEAVING_NOT_WORKING
643 static void SCR_CaptureVideo_Ogg_Interleave()
645 LOAD_FORMATSPECIFIC_OGG();
647 //fprintf(stderr, "<");
649 if(!cls.capturevideo.soundrate)
653 // first: make sure we have a page of both types
654 if(!format->have_videopage)
655 if(qogg_stream_pageout(&format->to, &format->videopage) > 0)
656 format->have_videopage = true;
657 if(format->have_videopage)
659 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
660 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
661 format->have_videopage = false;
671 // first: make sure we have a page of both types
672 if(!format->have_videopage)
673 if(qogg_stream_pageout(&format->to, &format->videopage) > 0)
675 //fprintf(stderr, "V");
676 format->have_videopage = true;
678 #ifdef INTERLEAVING_NOT_WORKING
679 // why do I have to do this? the code should work without the
680 // following three lines, which turn this attempt at correct
681 // interleaving back into the old stupid one that oggz-validate
683 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
684 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
685 format->have_videopage = false;
689 if(!format->have_audiopage)
690 if(qogg_stream_pageout(&format->vo, &format->audiopage) > 0)
692 //fprintf(stderr, "A");
693 format->have_audiopage = true;
695 #ifdef INTERLEAVING_NOT_WORKING
696 // why do I have to do this? the code should work without the
697 // following three lines, which turn this attempt at correct
698 // interleaving back into the old stupid one that oggz-validate
700 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
701 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
702 format->have_audiopage = false;
707 if(format->have_videopage && format->have_audiopage)
709 // output the page that ends first
710 double audiotime = qvorbis_granule_time(&format->vd, qogg_page_granulepos(&format->audiopage));
711 double videotime = qtheora_granule_time(&format->ts, qogg_page_granulepos(&format->videopage));
712 //fprintf(stderr, "(A=%f V=%f)\n", audiotime, videotime);
713 if(audiotime < videotime)
715 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
716 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
717 format->have_audiopage = false;
719 //fprintf(stderr, "a");
723 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
724 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
725 format->have_videopage = false;
727 //fprintf(stderr, "v");
734 //fprintf(stderr, ">");
737 static void SCR_CaptureVideo_Ogg_FlushInterleaving()
739 LOAD_FORMATSPECIFIC_OGG();
741 if(cls.capturevideo.soundrate)
742 if(format->have_audiopage)
744 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
745 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
746 format->have_audiopage = false;
749 if(format->have_videopage)
751 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
752 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
753 format->have_videopage = false;
757 static void SCR_CaptureVideo_Ogg_EndVideo()
759 LOAD_FORMATSPECIFIC_OGG();
763 if(format->yuvi >= 0)
765 // send the previous (and last) frame
766 while(format->lastnum > 0)
768 qtheora_encode_YUVin(&format->ts, &format->yuv[format->yuvi]);
770 while(qtheora_encode_packetout(&format->ts, !format->lastnum, &pt))
771 qogg_stream_packetin(&format->to, &pt);
773 SCR_CaptureVideo_Ogg_Interleave();
777 if(cls.capturevideo.soundrate)
779 qvorbis_analysis_wrote(&format->vd, 0);
780 while(qvorbis_analysis_blockout(&format->vd, &format->vb) == 1)
782 qvorbis_analysis(&format->vb, NULL);
783 qvorbis_bitrate_addblock(&format->vb);
784 while(qvorbis_bitrate_flushpacket(&format->vd, &pt))
785 qogg_stream_packetin(&format->vo, &pt);
786 SCR_CaptureVideo_Ogg_Interleave();
790 SCR_CaptureVideo_Ogg_FlushInterleaving();
792 while(qogg_stream_pageout(&format->to, &pg) > 0)
794 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
795 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
798 if(cls.capturevideo.soundrate)
800 while(qogg_stream_pageout(&format->vo, &pg) > 0)
802 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
803 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
808 int result = qogg_stream_flush (&format->to, &pg);
810 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
813 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
814 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
817 if(cls.capturevideo.soundrate)
820 int result = qogg_stream_flush (&format->vo, &pg);
822 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
825 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
826 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
829 qogg_stream_clear(&format->vo);
830 qvorbis_block_clear(&format->vb);
831 qvorbis_dsp_clear(&format->vd);
834 qogg_stream_clear(&format->to);
835 qtheora_clear(&format->ts);
836 qvorbis_info_clear(&format->vi);
838 Mem_Free(format->yuv[0].y);
839 Mem_Free(format->yuv[0].u);
840 Mem_Free(format->yuv[0].v);
841 Mem_Free(format->yuv[1].y);
842 Mem_Free(format->yuv[1].u);
843 Mem_Free(format->yuv[1].v);
846 FS_Close(cls.capturevideo.videofile);
847 cls.capturevideo.videofile = NULL;
850 static void SCR_CaptureVideo_Ogg_ConvertFrame_BGRA_to_YUV()
852 LOAD_FORMATSPECIFIC_OGG();
855 int blockr, blockg, blockb;
856 unsigned char *b = cls.capturevideo.outbuffer;
857 int w = cls.capturevideo.width;
858 int h = cls.capturevideo.height;
861 yuv = &format->yuv[format->yuvi];
863 for(y = 0; y < h; ++y)
865 for(b = cls.capturevideo.outbuffer + (h-1-y)*w*4, x = 0; x < w; ++x)
870 yuv->y[x + yuv->y_stride * y] =
871 cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[0][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[0][2][blockb]];
877 for(b = cls.capturevideo.outbuffer + (h-2-y)*w*4, x = 0; x < w/2; ++x)
879 blockr = (b[2] + b[6] + b[inpitch+2] + b[inpitch+6]) >> 2;
880 blockg = (b[1] + b[5] + b[inpitch+1] + b[inpitch+5]) >> 2;
881 blockb = (b[0] + b[4] + b[inpitch+0] + b[inpitch+4]) >> 2;
882 yuv->u[x + yuv->uv_stride * (y/2)] =
883 cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[1][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[1][2][blockb] + 128];
884 yuv->v[x + yuv->uv_stride * (y/2)] =
885 cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[2][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[2][2][blockb] + 128];
892 static void SCR_CaptureVideo_Ogg_VideoFrames(int num)
894 LOAD_FORMATSPECIFIC_OGG();
897 // data is in cls.capturevideo.outbuffer as BGRA and has size width*height
899 if(format->yuvi >= 0)
901 // send the previous frame
902 while(format->lastnum-- > 0)
904 qtheora_encode_YUVin(&format->ts, &format->yuv[format->yuvi]);
906 while(qtheora_encode_packetout(&format->ts, false, &pt))
907 qogg_stream_packetin(&format->to, &pt);
909 SCR_CaptureVideo_Ogg_Interleave();
913 format->yuvi = (format->yuvi + 1) % 2;
914 SCR_CaptureVideo_Ogg_ConvertFrame_BGRA_to_YUV();
915 format->lastnum = num;
917 // TODO maybe send num-1 frames from here already
920 static void SCR_CaptureVideo_Ogg_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
922 LOAD_FORMATSPECIFIC_OGG();
923 float **vorbis_buffer;
928 vorbis_buffer = qvorbis_analysis_buffer(&format->vd, length);
929 for(i = 0; i < length; ++i)
931 for(j = 0; j < cls.capturevideo.soundchannels; ++j)
932 vorbis_buffer[j][i] = paintbuffer[i].sample[j] / 32768.0f;
934 qvorbis_analysis_wrote(&format->vd, length);
936 while(qvorbis_analysis_blockout(&format->vd, &format->vb) == 1)
938 qvorbis_analysis(&format->vb, NULL);
939 qvorbis_bitrate_addblock(&format->vb);
941 while(qvorbis_bitrate_flushpacket(&format->vd, &pt))
942 qogg_stream_packetin(&format->vo, &pt);
945 SCR_CaptureVideo_Ogg_Interleave();
948 void SCR_CaptureVideo_Ogg_BeginVideo()
950 cls.capturevideo.format = CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA;
951 cls.capturevideo.videofile = FS_OpenRealFile(va("%s.ogv", cls.capturevideo.basename), "wb", false);
952 cls.capturevideo.endvideo = SCR_CaptureVideo_Ogg_EndVideo;
953 cls.capturevideo.videoframes = SCR_CaptureVideo_Ogg_VideoFrames;
954 cls.capturevideo.soundframe = SCR_CaptureVideo_Ogg_SoundFrame;
955 cls.capturevideo.formatspecific = Mem_Alloc(tempmempool, sizeof(capturevideostate_ogg_formatspecific_t));
957 LOAD_FORMATSPECIFIC_OGG();
960 ogg_packet pt, pt2, pt3;
965 format->serial1 = rand();
966 qogg_stream_init(&format->to, format->serial1);
968 if(cls.capturevideo.soundrate)
972 format->serial2 = rand();
974 while(format->serial1 == format->serial2);
975 qogg_stream_init(&format->vo, format->serial2);
978 format->have_videopage = format->have_audiopage = false;
980 qtheora_info_init(&ti);
981 ti.frame_width = cls.capturevideo.width;
982 ti.frame_height = cls.capturevideo.height;
983 ti.width = (ti.frame_width + 15) & ~15;
984 ti.height = (ti.frame_height + 15) & ~15;
985 //ti.offset_x = ((ti.width - ti.frame_width) / 2) & ~1;
986 //ti.offset_y = ((ti.height - ti.frame_height) / 2) & ~1;
988 for(i = 0; i < 2; ++i)
990 format->yuv[i].y_width = ti.width;
991 format->yuv[i].y_height = ti.height;
992 format->yuv[i].y_stride = ti.width;
993 format->yuv[i].uv_width = ti.width / 2;
994 format->yuv[i].uv_height = ti.height / 2;
995 format->yuv[i].uv_stride = ti.width / 2;
996 format->yuv[i].y = Mem_Alloc(tempmempool, format->yuv[i].y_stride * format->yuv[i].y_height);
997 format->yuv[i].u = Mem_Alloc(tempmempool, format->yuv[i].uv_stride * format->yuv[i].uv_height);
998 format->yuv[i].v = Mem_Alloc(tempmempool, format->yuv[i].uv_stride * format->yuv[i].uv_height);
1000 format->yuvi = -1; // -1: no frame valid yet, write into 0
1002 FindFraction(cls.capturevideo.framerate, &num, &denom, 1001);
1003 ti.fps_numerator = num;
1004 ti.fps_denominator = denom;
1006 FindFraction(1 / vid_pixelheight.value, &num, &denom, 1000);
1007 ti.aspect_numerator = num;
1008 ti.aspect_denominator = denom;
1010 ti.colorspace = OC_CS_UNSPECIFIED;
1011 ti.pixelformat = OC_PF_420;
1013 ti.quick_p = true; // http://mlblog.osdir.com/multimedia.ogg.theora.general/2004-07/index.shtml
1014 ti.dropframes_p = false;
1016 ti.target_bitrate = cl_capturevideo_ogg_theora_bitrate.integer * 1000;
1017 ti.quality = cl_capturevideo_ogg_theora_quality.integer;
1019 if(ti.target_bitrate <= 0)
1023 ti.target_bitrate = -1;
1024 ti.keyframe_data_target_bitrate = -1;
1029 ti.target_bitrate = -1;
1030 ti.keyframe_data_target_bitrate = -1;
1031 ti.quality = bound(0, ti.quality, 63);
1038 ti.target_bitrate = bound(45000, ti.target_bitrate, 2000000);
1039 ti.keyframe_data_target_bitrate = ti.target_bitrate * max(1, cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier.value);
1044 ti.target_bitrate = bound(45000, ti.target_bitrate, 2000000);
1045 ti.keyframe_data_target_bitrate = ti.target_bitrate * max(1, cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier.value);
1050 ti.keyframe_frequency = bound(1, cl_capturevideo_ogg_theora_keyframe_frequency.integer, 1000);
1051 ti.keyframe_mindistance = bound(1, cl_capturevideo_ogg_theora_keyframe_mindistance.integer, (int) ti.keyframe_frequency);
1052 ti.noise_sensitivity = bound(0, cl_capturevideo_ogg_theora_noise_sensitivity.integer, 6);
1053 ti.sharpness = bound(0, cl_capturevideo_ogg_theora_sharpness.integer, 2);
1054 ti.keyframe_auto_threshold = bound(0, cl_capturevideo_ogg_theora_keyframe_auto_threshold.integer, 100);
1056 ti.keyframe_frequency_force = ti.keyframe_frequency;
1057 ti.keyframe_auto_p = (ti.keyframe_frequency != ti.keyframe_mindistance);
1059 qtheora_encode_init(&format->ts, &ti);
1060 qtheora_info_clear(&ti);
1063 if(cls.capturevideo.soundrate)
1065 qvorbis_info_init(&format->vi);
1066 qvorbis_encode_init_vbr(&format->vi, cls.capturevideo.soundchannels, cls.capturevideo.soundrate, bound(-1, cl_capturevideo_ogg_vorbis_quality.value, 10) * 0.099);
1067 qvorbis_comment_init(&vc);
1068 qvorbis_analysis_init(&format->vd, &format->vi);
1069 qvorbis_block_init(&format->vd, &format->vb);
1072 qtheora_comment_init(&tc);
1074 /* create the remaining theora headers */
1075 qtheora_encode_header(&format->ts, &pt);
1076 qogg_stream_packetin(&format->to, &pt);
1077 if (qogg_stream_pageout (&format->to, &pg) != 1)
1078 fprintf (stderr, "Internal Ogg library error.\n");
1079 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1080 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1082 qtheora_encode_comment(&tc, &pt);
1083 qogg_stream_packetin(&format->to, &pt);
1084 qtheora_encode_tables(&format->ts, &pt);
1085 qogg_stream_packetin (&format->to, &pt);
1087 qtheora_comment_clear(&tc);
1089 if(cls.capturevideo.soundrate)
1091 qvorbis_analysis_headerout(&format->vd, &vc, &pt, &pt2, &pt3);
1092 qogg_stream_packetin(&format->vo, &pt);
1093 if (qogg_stream_pageout (&format->vo, &pg) != 1)
1094 fprintf (stderr, "Internal Ogg library error.\n");
1095 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1096 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1098 qogg_stream_packetin(&format->vo, &pt2);
1099 qogg_stream_packetin(&format->vo, &pt3);
1101 qvorbis_comment_clear(&vc);
1106 int result = qogg_stream_flush (&format->to, &pg);
1108 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
1111 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1112 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1115 if(cls.capturevideo.soundrate)
1118 int result = qogg_stream_flush (&format->vo, &pg);
1120 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
1123 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1124 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);