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 static void SCR_CaptureVideo_Ogg_Interleave()
642 LOAD_FORMATSPECIFIC_OGG();
644 //fprintf(stderr, "<");
646 if(!cls.capturevideo.soundrate)
650 // first: make sure we have a page of both types
651 if(!format->have_videopage)
652 if(qogg_stream_pageout(&format->to, &format->videopage) > 0)
653 format->have_videopage = true;
654 if(format->have_videopage)
656 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
657 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
658 format->have_videopage = false;
666 // first: make sure we have a page of both types
667 if(!format->have_videopage)
668 if(qogg_stream_pageout(&format->to, &format->videopage) > 0)
670 //fprintf(stderr, "V");
671 format->have_videopage = true;
673 // why do I have to do this? the code should work without the
674 // following three lines, which turn this attempt at correct
675 // interleaving back into the old stupid one that oggz-validate
677 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
678 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
679 format->have_videopage = false;
681 if(!format->have_audiopage)
682 if(qogg_stream_pageout(&format->vo, &format->audiopage) > 0)
684 //fprintf(stderr, "A");
685 format->have_audiopage = true;
687 // why do I have to do this? the code should work without the
688 // following three lines, which turn this attempt at correct
689 // interleaving back into the old stupid one that oggz-validate
691 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
692 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
693 format->have_audiopage = false;
696 if(format->have_videopage && format->have_audiopage)
698 // output the page that ends first
699 double audiotime = qvorbis_granule_time(&format->vd, qogg_page_granulepos(&format->audiopage));
700 double videotime = qtheora_granule_time(&format->ts, qogg_page_granulepos(&format->videopage));
701 if(audiotime < videotime)
703 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
704 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
705 format->have_audiopage = false;
707 //fprintf(stderr, "a");
711 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
712 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
713 format->have_videopage = false;
715 //fprintf(stderr, "v");
722 //fprintf(stderr, ">");
725 static void SCR_CaptureVideo_Ogg_FlushInterleaving()
727 LOAD_FORMATSPECIFIC_OGG();
729 if(cls.capturevideo.soundrate)
730 if(format->have_audiopage)
732 FS_Write(cls.capturevideo.videofile, format->audiopage.header, format->audiopage.header_len);
733 FS_Write(cls.capturevideo.videofile, format->audiopage.body, format->audiopage.body_len);
734 format->have_audiopage = false;
737 if(format->have_videopage)
739 FS_Write(cls.capturevideo.videofile, format->videopage.header, format->videopage.header_len);
740 FS_Write(cls.capturevideo.videofile, format->videopage.body, format->videopage.body_len);
741 format->have_videopage = false;
745 static void SCR_CaptureVideo_Ogg_EndVideo()
747 LOAD_FORMATSPECIFIC_OGG();
751 // repeat the last frame so we can set the end-of-stream flag
752 qtheora_encode_YUVin(&format->ts, &format->yuv);
753 qtheora_encode_packetout(&format->ts, true, &pt);
754 qogg_stream_packetin(&format->to, &pt);
755 SCR_CaptureVideo_Ogg_Interleave();
757 if(cls.capturevideo.soundrate)
759 qvorbis_analysis_wrote(&format->vd, 0);
760 while(qvorbis_analysis_blockout(&format->vd, &format->vb) == 1)
762 qvorbis_analysis(&format->vb, NULL);
763 qvorbis_bitrate_addblock(&format->vb);
764 while(qvorbis_bitrate_flushpacket(&format->vd, &pt))
765 qogg_stream_packetin(&format->vo, &pt);
766 SCR_CaptureVideo_Ogg_Interleave();
770 SCR_CaptureVideo_Ogg_FlushInterleaving();
772 while(qogg_stream_pageout(&format->to, &pg) > 0)
774 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
775 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
778 if(cls.capturevideo.soundrate)
780 while(qogg_stream_pageout(&format->vo, &pg) > 0)
782 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
783 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
788 int result = qogg_stream_flush (&format->to, &pg);
790 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
793 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
794 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
797 if(cls.capturevideo.soundrate)
800 int result = qogg_stream_flush (&format->vo, &pg);
802 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
805 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
806 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
809 qogg_stream_clear(&format->vo);
810 qvorbis_block_clear(&format->vb);
811 qvorbis_dsp_clear(&format->vd);
814 qogg_stream_clear(&format->to);
815 qtheora_clear(&format->ts);
816 qvorbis_info_clear(&format->vi);
818 Mem_Free(format->yuv.y);
819 Mem_Free(format->yuv.u);
820 Mem_Free(format->yuv.v);
823 FS_Close(cls.capturevideo.videofile);
824 cls.capturevideo.videofile = NULL;
827 static void SCR_CaptureVideo_Ogg_ConvertFrame_BGRA_to_YUV()
829 LOAD_FORMATSPECIFIC_OGG();
831 int blockr, blockg, blockb;
832 unsigned char *b = cls.capturevideo.outbuffer;
833 int w = cls.capturevideo.width;
834 int h = cls.capturevideo.height;
837 for(y = 0; y < h; ++y)
839 for(b = cls.capturevideo.outbuffer + (h-1-y)*w*4, x = 0; x < w; ++x)
844 format->yuv.y[x + format->yuv.y_stride * y] =
845 cls.capturevideo.yuvnormalizetable[0][cls.capturevideo.rgbtoyuvscaletable[0][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[0][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[0][2][blockb]];
851 for(b = cls.capturevideo.outbuffer + (h-2-y)*w*4, x = 0; x < w/2; ++x)
853 blockr = (b[2] + b[6] + b[inpitch+2] + b[inpitch+6]) >> 2;
854 blockg = (b[1] + b[5] + b[inpitch+1] + b[inpitch+5]) >> 2;
855 blockb = (b[0] + b[4] + b[inpitch+0] + b[inpitch+4]) >> 2;
856 format->yuv.u[x + format->yuv.uv_stride * (y/2)] =
857 cls.capturevideo.yuvnormalizetable[1][cls.capturevideo.rgbtoyuvscaletable[1][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[1][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[1][2][blockb] + 128];
858 format->yuv.v[x + format->yuv.uv_stride * (y/2)] =
859 cls.capturevideo.yuvnormalizetable[2][cls.capturevideo.rgbtoyuvscaletable[2][0][blockr] + cls.capturevideo.rgbtoyuvscaletable[2][1][blockg] + cls.capturevideo.rgbtoyuvscaletable[2][2][blockb] + 128];
866 static void SCR_CaptureVideo_Ogg_VideoFrames(int num)
868 LOAD_FORMATSPECIFIC_OGG();
871 // data is in cls.capturevideo.outbuffer as BGRA and has size width*height
873 SCR_CaptureVideo_Ogg_ConvertFrame_BGRA_to_YUV();
877 qtheora_encode_YUVin(&format->ts, &format->yuv);
879 while(qtheora_encode_packetout(&format->ts, false, &pt))
880 qogg_stream_packetin(&format->to, &pt);
882 SCR_CaptureVideo_Ogg_Interleave();
886 static void SCR_CaptureVideo_Ogg_SoundFrame(const portable_sampleframe_t *paintbuffer, size_t length)
888 LOAD_FORMATSPECIFIC_OGG();
889 float **vorbis_buffer;
894 vorbis_buffer = qvorbis_analysis_buffer(&format->vd, length);
895 for(i = 0; i < length; ++i)
897 for(j = 0; j < cls.capturevideo.soundchannels; ++j)
898 vorbis_buffer[j][i] = paintbuffer[i].sample[j] / 32768.0f;
900 qvorbis_analysis_wrote(&format->vd, length);
902 while(qvorbis_analysis_blockout(&format->vd, &format->vb) == 1)
904 qvorbis_analysis(&format->vb, NULL);
905 qvorbis_bitrate_addblock(&format->vb);
907 while(qvorbis_bitrate_flushpacket(&format->vd, &pt))
908 qogg_stream_packetin(&format->vo, &pt);
911 SCR_CaptureVideo_Ogg_Interleave();
914 void SCR_CaptureVideo_Ogg_BeginVideo()
916 cls.capturevideo.format = CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA;
917 cls.capturevideo.videofile = FS_OpenRealFile(va("%s.ogv", cls.capturevideo.basename), "wb", false);
918 cls.capturevideo.endvideo = SCR_CaptureVideo_Ogg_EndVideo;
919 cls.capturevideo.videoframes = SCR_CaptureVideo_Ogg_VideoFrames;
920 cls.capturevideo.soundframe = SCR_CaptureVideo_Ogg_SoundFrame;
921 cls.capturevideo.formatspecific = Mem_Alloc(tempmempool, sizeof(capturevideostate_ogg_formatspecific_t));
923 LOAD_FORMATSPECIFIC_OGG();
926 ogg_packet pt, pt2, pt3;
931 format->serial1 = rand();
932 qogg_stream_init(&format->to, format->serial1);
934 if(cls.capturevideo.soundrate)
938 format->serial2 = rand();
940 while(format->serial1 == format->serial2);
941 qogg_stream_init(&format->vo, format->serial2);
944 format->have_videopage = format->have_audiopage = false;
946 qtheora_info_init(&ti);
947 ti.frame_width = cls.capturevideo.width;
948 ti.frame_height = cls.capturevideo.height;
949 ti.width = (ti.frame_width + 15) & ~15;
950 ti.height = (ti.frame_height + 15) & ~15;
951 //ti.offset_x = ((ti.width - ti.frame_width) / 2) & ~1;
952 //ti.offset_y = ((ti.height - ti.frame_height) / 2) & ~1;
954 format->yuv.y_width = ti.width;
955 format->yuv.y_height = ti.height;
956 format->yuv.y_stride = ti.width;
958 format->yuv.uv_width = ti.width / 2;
959 format->yuv.uv_height = ti.height / 2;
960 format->yuv.uv_stride = ti.width / 2;
962 format->yuv.y = Mem_Alloc(tempmempool, format->yuv.y_stride * format->yuv.y_height);
963 format->yuv.u = Mem_Alloc(tempmempool, format->yuv.uv_stride * format->yuv.uv_height);
964 format->yuv.v = Mem_Alloc(tempmempool, format->yuv.uv_stride * format->yuv.uv_height);
966 FindFraction(cls.capturevideo.framerate, &num, &denom, 1001);
967 ti.fps_numerator = num;
968 ti.fps_denominator = denom;
970 FindFraction(1 / vid_pixelheight.value, &num, &denom, 1000);
971 ti.aspect_numerator = num;
972 ti.aspect_denominator = denom;
974 ti.colorspace = OC_CS_UNSPECIFIED;
975 ti.pixelformat = OC_PF_420;
977 ti.quick_p = true; // http://mlblog.osdir.com/multimedia.ogg.theora.general/2004-07/index.shtml
978 ti.dropframes_p = false;
980 ti.target_bitrate = cl_capturevideo_ogg_theora_bitrate.integer * 1000;
981 ti.quality = cl_capturevideo_ogg_theora_quality.integer;
983 if(ti.target_bitrate <= 0)
987 ti.target_bitrate = -1;
988 ti.keyframe_data_target_bitrate = -1;
993 ti.target_bitrate = -1;
994 ti.keyframe_data_target_bitrate = -1;
995 ti.quality = bound(0, ti.quality, 63);
1002 ti.target_bitrate = bound(45000, ti.target_bitrate, 2000000);
1003 ti.keyframe_data_target_bitrate = ti.target_bitrate * max(1, cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier.value);
1008 ti.target_bitrate = bound(45000, ti.target_bitrate, 2000000);
1009 ti.keyframe_data_target_bitrate = ti.target_bitrate * max(1, cl_capturevideo_ogg_theora_keyframe_bitrate_multiplier.value);
1014 ti.keyframe_frequency = bound(1, cl_capturevideo_ogg_theora_keyframe_frequency.integer, 1000);
1015 ti.keyframe_mindistance = bound(1, cl_capturevideo_ogg_theora_keyframe_mindistance.integer, (int) ti.keyframe_frequency);
1016 ti.noise_sensitivity = bound(0, cl_capturevideo_ogg_theora_noise_sensitivity.integer, 6);
1017 ti.sharpness = bound(0, cl_capturevideo_ogg_theora_sharpness.integer, 2);
1018 ti.keyframe_auto_threshold = bound(0, cl_capturevideo_ogg_theora_keyframe_auto_threshold.integer, 100);
1020 ti.keyframe_frequency_force = ti.keyframe_frequency;
1021 ti.keyframe_auto_p = (ti.keyframe_frequency != ti.keyframe_mindistance);
1023 qtheora_encode_init(&format->ts, &ti);
1024 qtheora_info_clear(&ti);
1027 if(cls.capturevideo.soundrate)
1029 qvorbis_info_init(&format->vi);
1030 qvorbis_encode_init_vbr(&format->vi, cls.capturevideo.soundchannels, cls.capturevideo.soundrate, bound(-1, cl_capturevideo_ogg_vorbis_quality.value, 10) * 0.099);
1031 qvorbis_comment_init(&vc);
1032 qvorbis_analysis_init(&format->vd, &format->vi);
1033 qvorbis_block_init(&format->vd, &format->vb);
1036 qtheora_comment_init(&tc);
1038 /* create the remaining theora headers */
1039 qtheora_encode_header(&format->ts, &pt);
1040 qogg_stream_packetin(&format->to, &pt);
1041 if (qogg_stream_pageout (&format->to, &pg) != 1)
1042 fprintf (stderr, "Internal Ogg library error.\n");
1043 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1044 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1046 qtheora_encode_comment(&tc, &pt);
1047 qogg_stream_packetin(&format->to, &pt);
1048 qtheora_encode_tables(&format->ts, &pt);
1049 qogg_stream_packetin (&format->to, &pt);
1051 qtheora_comment_clear(&tc);
1053 if(cls.capturevideo.soundrate)
1055 qvorbis_analysis_headerout(&format->vd, &vc, &pt, &pt2, &pt3);
1056 qogg_stream_packetin(&format->vo, &pt);
1057 if (qogg_stream_pageout (&format->vo, &pg) != 1)
1058 fprintf (stderr, "Internal Ogg library error.\n");
1059 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1060 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1062 qogg_stream_packetin(&format->vo, &pt2);
1063 qogg_stream_packetin(&format->vo, &pt3);
1065 qvorbis_comment_clear(&vc);
1070 int result = qogg_stream_flush (&format->to, &pg);
1072 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
1075 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1076 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);
1079 if(cls.capturevideo.soundrate)
1082 int result = qogg_stream_flush (&format->vo, &pg);
1084 fprintf (stderr, "Internal Ogg library error.\n"); // TODO Host_Error
1087 FS_Write(cls.capturevideo.videofile, pg.header, pg.header_len);
1088 FS_Write(cls.capturevideo.videofile, pg.body, pg.body_len);