search for: oc_pf_420

Displaying 7 results from an estimated 7 matches for "oc_pf_420".

2007 Oct 31
1
etheora
...mp;ec); /*getting frame data, by reading a r,g,b or y,u,v pixel in (i,j) coordinate*/ etheora_dec_rgb_read(&ec, i, j, &r, &g, &b) (alternative: etheora_dec_yuv_read()), /* finishing the process.*/ etheora_dec_finish(&ec); the functions _yuv_ and _rgb_ works transparently with OC_PF_420, OC_PF_422 and OC_PF_PF_444, having the libtheora version used support for them or not. Etheora is documented here: http://opensvn.csie.org/ribamar/projects/streaming/doc/etheora_documentation.pdf Etheora code is here: http://opensvn.csie.org/ribamar/projects/streaming/src/ {etheora is etheora.c...
2005 Nov 03
1
CPU usage while encoding...
...m using wrong parameters: ti.fps_numerator = fps * 11 + 1; // var framerate ti.fps_denominator = 11; ti.aspect_numerator = 1; ti.aspect_denominator = 1; ti.colorspace = OC_CS_ITU_REC_470BG; // OC_CS_UNSPECIFIED; ti.pixelformat = OC_PF_420; ti.target_bitrate = 0; ti.quality = 1 * 6.3; ti.dropframes_p = 0; ti.quick_p = 1; ti.keyframe_auto_p = 1; ti.keyframe_frequency = 64; ti.keyframe_frequency_force = 64; ti.keyframe_da...
2006 Nov 09
1
[Doc] theora_encode_init problem
Hello, I recently decided to develop a client-server visio-conference app for windows using libtheora for network communication. But I have a problem initialising the theora encoder : theora_encode_init() returns -23 and I would like to know what it means all I could find in the doc is that it should return 0 in case of success. I understand my call to theora_encode_init() failed, but i'd
2007 Oct 31
1
etheora
...mp;ec); /*getting frame data, by reading a r,g,b or y,u,v pixel in (i,j) coordinate*/ etheora_dec_rgb_read(&ec, i, j, &r, &g, &b) (alternative: etheora_dec_yuv_read()), /* finishing the process.*/ etheora_dec_finish(&ec); the functions _yuv_ and _rgb_ works transparently with OC_PF_420, OC_PF_422 and OC_PF_PF_444, having the libtheora version used support for them or not. Etheora is documented here: http://opensvn.csie.org/ribamar/projects/streaming/doc/etheora_documentation.pdf Etheora code is here: http://opensvn.csie.org/ribamar/projects/streaming/src/ {etheora is etheora.c...
2006 Oct 04
3
Encoding - CPU usage ...
...better CPUs for Theora? AMD64? - CPU optimisations... they are enabled by default, right? - Encoding parameters... now I use: ... theora_info tTheoraInfo; tTheoraInfo.colorspace = OC_CS_ITU_REC_470BG; /* OC_CS_UNSPECIFIED ? */ tTheoraInfo.pixelformat = OC_PF_420; tTheoraInfo.target_bitrate = 0; tTheoraInfo.quality = 15; tTheoraInfo.dropframes_p = 0; tTheoraInfo.quick_p = 1; tTheoraInfo.keyframe_auto_p = 1; tTheoraInfo.keyframe_frequency = 64; tTheora...
2005 Oct 05
1
Simple encodig sample...
...me_x_offset; ti.offset_y = frame_y_offset; ti.fps_numerator = video_hzn; ti.fps_denominator = video_hzd; ti.aspect_numerator = video_an; ti.aspect_denominator = video_ad; ti.colorspace = OC_CS_UNSPECIFIED; ti.pixelformat = OC_PF_420; ti.target_bitrate = video_r; ti.quality = video_q; ti.dropframes_p = 0; ti.quick_p = 1; ti.keyframe_auto_p = 1; ti.keyframe_frequency = 64; ti.keyframe_frequency_force = 64; ti.keyfr...
2006 Oct 06
0
V4L + Theora small app...
...raInfo.fps_numerator = iVideoFPSnum; tTheoraInfo.fps_denominator = iVideoFPSden; tTheoraInfo.aspect_numerator = iVideoAspNum; tTheoraInfo.aspect_denominator = iVideoAspDen; tTheoraInfo.colorspace = OC_CS_UNSPECIFIED; tTheoraInfo.pixelformat = OC_PF_420; tTheoraInfo.target_bitrate = iVideoBitrate; tTheoraInfo.quality = iVideoQuality; tTheoraInfo.dropframes_p = 0; tTheoraInfo.quick_p = 1; tTheoraInfo.keyframe_auto_p = 1; tTheoraInfo.keyframe_frequency...