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;
634 qboolean have_videopage;
635 qboolean have_audiopage;
637 capturevideostate_ogg_formatspecific_t;
638 #define LOAD_FORMATSPECIFIC_OGG() capturevideostate_ogg_formatspecific_t *format = (capturevideostate_ogg_formatspecific_t *) cls.capturevideo.formatspecific
640 #define INTERLEAVING_NOT_WORKING
641 static void SCR_CaptureVideo_Ogg_Interleave()
643 LOAD_FORMATSPECIFIC_OGG();
645 //fprintf(stderr, "<");
647 if(!cls.capturevideo.soundrate)
651 // first: make sure we have a page of both types
652 if(!format->have_videopage)
653 if(qogg_stream_pageout(&format->to, &format->videopage) > 0)
654 format->have_videopage = true;
655 if(format->have_videopage)
657 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
658 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
659 format->have_videopage = false;
667 // first: make sure we have a page of both types
668 if(!format->have_videopage)
669 if(qogg_stream_pageout(&format->to, &format->videopage) > 0)
671 //fprintf(stderr, "V");
672 format->have_videopage = true;
674 #ifdef INTERLEAVING_NOT_WORKING
675 // why do I have to do this? the code should work without the
676 // following three lines, which turn this attempt at correct
677 // interleaving back into the old stupid one that oggz-validate
679 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
680 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
681 format->have_videopage = false;
685 if(!format->have_audiopage)
686 if(qogg_stream_pageout(&format->vo, &format->audiopage) > 0)
688 //fprintf(stderr, "A");
689 format->have_audiopage = true;
691 #ifdef INTERLEAVING_NOT_WORKING
692 // why do I have to do this? the code should work without the
693 // following three lines, which turn this attempt at correct
694 // interleaving back into the old stupid one that oggz-validate
696 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
697 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
698 format->have_audiopage = false;
703 if(format->have_videopage && format->have_audiopage)
705 // output the page that ends first
706 double audiotime = qvorbis_granule_time(&format->vd, qogg_page_granulepos(&format->audiopage));
707 double videotime = qtheora_granule_time(&format->ts, qogg_page_granulepos(&format->videopage));
708 //fprintf(stderr, "(A=%f V=%f)\n", audiotime, videotime);
709 if(audiotime < videotime)
711 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
712 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
713 format->have_audiopage = false;
715 //fprintf(stderr, "a");
719 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
720 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
721 format->have_videopage = false;
723 //fprintf(stderr, "v");
730 //fprintf(stderr, ">");
733 static void SCR_CaptureVideo_Ogg_FlushInterleaving()
735 LOAD_FORMATSPECIFIC_OGG();
737 if(cls.capturevideo.soundrate)
738 if(format->have_audiopage)
740 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
741 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
742 format->have_audiopage = false;
745 if(format->have_videopage)
747 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
748 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
749 format->have_videopage = false;
753 static void SCR_CaptureVideo_Ogg_EndVideo()
755 LOAD_FORMATSPECIFIC_OGG();
759 // repeat the last frame so we can set the end-of-stream flag
760 qtheora_encode_YUVin(&format->ts, &format->yuv);
761 qtheora_encode_packetout(&format->ts, true, &pt);
762 qogg_stream_packetin(&format->to, &pt);
763 SCR_CaptureVideo_Ogg_Interleave();
765 if(cls.capturevideo.soundrate)
767 qvorbis_analysis_wrote(&format->vd, 0);
768 while(qvorbis_analysis_blockout(&format->vd, &format->vb) == 1)
770 qvorbis_analysis(&format->vb, NULL);
771 qvorbis_bitrate_addblock(&format->vb);
772 while(qvorbis_bitrate_flushpacket(&format->vd, &pt))
773 qogg_stream_packetin(&format->vo, &pt);
774 SCR_CaptureVideo_Ogg_Interleave();
778 SCR_CaptureVideo_Ogg_FlushInterleaving();
780 while(qogg_stream_pageout(&format->to, &pg) > 0)
782 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
783 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
786 if(cls.capturevideo.soundrate)
788 while(qogg_stream_pageout(&format->vo, &pg) > 0)
790 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
791 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
796 int result = qogg_stream_flush (&format->to, &pg);
798 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
801 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
802 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
805 if(cls.capturevideo.soundrate)
808 int result = qogg_stream_flush (&format->vo, &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 qogg_stream_clear(&format->vo);
818 qvorbis_block_clear(&format->vb);
819 qvorbis_dsp_clear(&format->vd);
822 qogg_stream_clear(&format->to);
823 qtheora_clear(&format->ts);
824 qvorbis_info_clear(&format->vi);
826 Mem_Free(format->yuv.y);
827 Mem_Free(format->yuv.u);
828 Mem_Free(format->yuv.v);
831 FS_Close(cls.capturevideo.videofile);
832 cls.capturevideo.videofile = NULL;
835 static void SCR_CaptureVideo_Ogg_ConvertFrame_BGRA_to_YUV()
837 LOAD_FORMATSPECIFIC_OGG();
839 int blockr, blockg, blockb;
840 unsigned char *b = cls.capturevideo.outbuffer;
841 int w = cls.capturevideo.width;
842 int h = cls.capturevideo.height;
845 for(y = 0; y < h; ++y)
847 for(b = cls.capturevideo.outbuffer + (h-1-y)*w*4, x = 0; x < w; ++x)
852 format->yuv.y[x + format->yuv.y_stride * y] =
853 cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[0][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[0][2][blockb]];
859 for(b = cls.capturevideo.outbuffer + (h-2-y)*w*4, x = 0; x < w/2; ++x)
861 blockr = (b[2] + b[6] + b[inpitch+2] + b[inpitch+6]) >> 2;
862 blockg = (b[1] + b[5] + b[inpitch+1] + b[inpitch+5]) >> 2;
863 blockb = (b[0] + b[4] + b[inpitch+0] + b[inpitch+4]) >> 2;
864 format->yuv.u[x + format->yuv.uv_stride * (y/2)] =
865 cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[1][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[1][2][blockb] + 128];
866 format->yuv.v[x + format->yuv.uv_stride * (y/2)] =
867 cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[2][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[2][2][blockb] + 128];
874 static void SCR_CaptureVideo_Ogg_VideoFrames(int num)
876 LOAD_FORMATSPECIFIC_OGG();
879 // data is in cls.capturevideo.outbuffer as BGRA and has size width*height
881 SCR_CaptureVideo_Ogg_ConvertFrame_BGRA_to_YUV();
885 qtheora_encode_YUVin(&format->ts, &format->yuv);
887 while(qtheora_encode_packetout(&format->ts, false, &pt))
888 qogg_stream_packetin(&format->to, &pt);
890 SCR_CaptureVideo_Ogg_Interleave();
894 static void SCR_CaptureVideo_Ogg_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
896 LOAD_FORMATSPECIFIC_OGG();
897 float **vorbis_buffer;
902 vorbis_buffer = qvorbis_analysis_buffer(&format->vd, length);
903 for(i = 0; i < length; ++i)
905 for(j = 0; j < cls.capturevideo.soundchannels; ++j)
906 vorbis_buffer[j][i] = paintbuffer[i].sample[j] / 32768.0f;
908 qvorbis_analysis_wrote(&format->vd, length);
910 while(qvorbis_analysis_blockout(&format->vd, &format->vb) == 1)
912 qvorbis_analysis(&format->vb, NULL);
913 qvorbis_bitrate_addblock(&format->vb);
915 while(qvorbis_bitrate_flushpacket(&format->vd, &pt))
916 qogg_stream_packetin(&format->vo, &pt);
919 SCR_CaptureVideo_Ogg_Interleave();
922 void SCR_CaptureVideo_Ogg_BeginVideo()
924 cls.capturevideo.format = CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA;
925 cls.capturevideo.videofile = FS_OpenRealFile(va("%s.ogv", cls.capturevideo.basename), "wb", false);
926 cls.capturevideo.endvideo = SCR_CaptureVideo_Ogg_EndVideo;
927 cls.capturevideo.videoframes = SCR_CaptureVideo_Ogg_VideoFrames;
928 cls.capturevideo.soundframe = SCR_CaptureVideo_Ogg_SoundFrame;
929 cls.capturevideo.formatspecific = Mem_Alloc(tempmempool, sizeof(capturevideostate_ogg_formatspecific_t));
931 LOAD_FORMATSPECIFIC_OGG();
934 ogg_packet pt, pt2, pt3;
939 format->serial1 = rand();
940 qogg_stream_init(&format->to, format->serial1);
942 if(cls.capturevideo.soundrate)
946 format->serial2 = rand();
948 while(format->serial1 == format->serial2);
949 qogg_stream_init(&format->vo, format->serial2);
952 format->have_videopage = format->have_audiopage = false;
954 qtheora_info_init(&ti);
955 ti.frame_width = cls.capturevideo.width;
956 ti.frame_height = cls.capturevideo.height;
957 ti.width = (ti.frame_width + 15) & ~15;
958 ti.height = (ti.frame_height + 15) & ~15;
959 //ti.offset_x = ((ti.width - ti.frame_width) / 2) & ~1;
960 //ti.offset_y = ((ti.height - ti.frame_height) / 2) & ~1;
962 format->yuv.y_width = ti.width;
963 format->yuv.y_height = ti.height;
964 format->yuv.y_stride = ti.width;
966 format->yuv.uv_width = ti.width / 2;
967 format->yuv.uv_height = ti.height / 2;
968 format->yuv.uv_stride = ti.width / 2;
970 format->yuv.y = Mem_Alloc(tempmempool, format->yuv.y_stride * format->yuv.y_height);
971 format->yuv.u = Mem_Alloc(tempmempool, format->yuv.uv_stride * format->yuv.uv_height);
972 format->yuv.v = Mem_Alloc(tempmempool, format->yuv.uv_stride * format->yuv.uv_height);
974 FindFraction(cls.capturevideo.framerate, &num, &denom, 1001);
975 ti.fps_numerator = num;
976 ti.fps_denominator = denom;
978 FindFraction(1 / vid_pixelheight.value, &num, &denom, 1000);
979 ti.aspect_numerator = num;
980 ti.aspect_denominator = denom;
982 ti.colorspace = OC_CS_UNSPECIFIED;
983 ti.pixelformat = OC_PF_420;
985 ti.quick_p = true; // http://mlblog.osdir.com/multimedia.ogg.theora.general/2004-07/index.shtml
986 ti.dropframes_p = false;
988 ti.target_bitrate = cl_capturevideo_ogg_theora_bitrate.integer * 1000;
989 ti.quality = cl_capturevideo_ogg_theora_quality.integer;
991 if(ti.target_bitrate <= 0)
995 ti.target_bitrate = -1;
996 ti.keyframe_data_target_bitrate = -1;
1001 ti.target_bitrate = -1;
1002 ti.keyframe_data_target_bitrate = -1;
1003 ti.quality = bound(0, ti.quality, 63);
1010 ti.target_bitrate = bound(45000, ti.target_bitrate, 2000000);
1011 ti.keyframe_data_target_bitrate = ti.target_bitrate * max(1, cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier.value);
1016 ti.target_bitrate = bound(45000, ti.target_bitrate, 2000000);
1017 ti.keyframe_data_target_bitrate = ti.target_bitrate * max(1, cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier.value);
1022 ti.keyframe_frequency = bound(1, cl_capturevideo_ogg_theora_keyframe_frequency.integer, 1000);
1023 ti.keyframe_mindistance = bound(1, cl_capturevideo_ogg_theora_keyframe_mindistance.integer, (int) ti.keyframe_frequency);
1024 ti.noise_sensitivity = bound(0, cl_capturevideo_ogg_theora_noise_sensitivity.integer, 6);
1025 ti.sharpness = bound(0, cl_capturevideo_ogg_theora_sharpness.integer, 2);
1026 ti.keyframe_auto_threshold = bound(0, cl_capturevideo_ogg_theora_keyframe_auto_threshold.integer, 100);
1028 ti.keyframe_frequency_force = ti.keyframe_frequency;
1029 ti.keyframe_auto_p = (ti.keyframe_frequency != ti.keyframe_mindistance);
1031 qtheora_encode_init(&format->ts, &ti);
1032 qtheora_info_clear(&ti);
1035 if(cls.capturevideo.soundrate)
1037 qvorbis_info_init(&format->vi);
1038 qvorbis_encode_init_vbr(&format->vi, cls.capturevideo.soundchannels, cls.capturevideo.soundrate, bound(-1, cl_capturevideo_ogg_vorbis_quality.value, 10) * 0.099);
1039 qvorbis_comment_init(&vc);
1040 qvorbis_analysis_init(&format->vd, &format->vi);
1041 qvorbis_block_init(&format->vd, &format->vb);
1044 qtheora_comment_init(&tc);
1046 /* create the remaining theora headers */
1047 qtheora_encode_header(&format->ts, &pt);
1048 qogg_stream_packetin(&format->to, &pt);
1049 if (qogg_stream_pageout (&format->to, &pg) != 1)
1050 fprintf (stderr, "Internal Ogg library error.\n");
1051 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1052 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1054 qtheora_encode_comment(&tc, &pt);
1055 qogg_stream_packetin(&format->to, &pt);
1056 qtheora_encode_tables(&format->ts, &pt);
1057 qogg_stream_packetin (&format->to, &pt);
1059 qtheora_comment_clear(&tc);
1061 if(cls.capturevideo.soundrate)
1063 qvorbis_analysis_headerout(&format->vd, &vc, &pt, &pt2, &pt3);
1064 qogg_stream_packetin(&format->vo, &pt);
1065 if (qogg_stream_pageout (&format->vo, &pg) != 1)
1066 fprintf (stderr, "Internal Ogg library error.\n");
1067 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1068 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1070 qogg_stream_packetin(&format->vo, &pt2);
1071 qogg_stream_packetin(&format->vo, &pt3);
1073 qvorbis_comment_clear(&vc);
1078 int result = qogg_stream_flush (&format->to, &pg);
1080 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
1083 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1084 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1087 if(cls.capturevideo.soundrate)
1090 int result = qogg_stream_flush (&format->vo, &pg);
1092 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
1095 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1096 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);