From 8f9101869f6b460f61033ce434bba0a793d25137 Mon Sep 17 00:00:00 2001 From: deva Date: Fri, 9 Jun 2006 18:20:51 +0000 Subject: Moved files to other folder: lib - Shared files between server and client client - Client files server - Server files --- src/libfame_wrapper.cc | 273 ------------------------------------------------- 1 file changed, 273 deletions(-) delete mode 100644 src/libfame_wrapper.cc (limited to 'src/libfame_wrapper.cc') diff --git a/src/libfame_wrapper.cc b/src/libfame_wrapper.cc deleted file mode 100644 index a663df6..0000000 --- a/src/libfame_wrapper.cc +++ /dev/null @@ -1,273 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/*************************************************************************** - * libfame_wrapper.cc - * - * Sat Jul 2 11:11:31 CEST 2005 - * Copyright 2005 Bent Bisballe - * deva@aasimon.org - ****************************************************************************/ - -/* - * This file is part of MIaV. - * - * MIaV is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MIaV is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with MIaV; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ -#include -#include "libfame_wrapper.h" - -#include - -#include "miav_config.h" -#include "frame.h" - -LibFAMEWrapper::LibFAMEWrapper(Info *i) -{ - info = i; - - // FIXME: Hmmm... should this be detected somewhere?! - int w = 720; - int h = 576; - - // Initialize yuv structure. - yuv.w = w; - yuv.h = h; - yuv.p = w; - yuv.y = new unsigned char [w*h * 2]; - yuv.u = new unsigned char [w*h];// [w*h/4] - yuv.v = new unsigned char [w*h];// [w*h/4] - - calc_bitrate = 0; - frame_number = 0; - - ////////////LIBDV STUFF/////////////// - - dvdecoder = NULL; // Initialize in encode method - - /////////LIBFAME STUFF/////////// - - // Allocate the output buffer. -// fame_buffer = new unsigned char [FAME_BUFFER_SIZE]; - - // Open a new session of the fame library. - // (If initialization was successful, it returns a non-null context which - // can then be used for subsequent library calls.) - fame_context = fame_open(); - if(!fame_context) { - info->error("Unable to open FAME context, due to the following error: %s", strerror(errno)); - return; - } - - /* - typedef struct _fame_parameters_ { - int width; // width of the video sequence - int height; // height of the video sequence - char const *coding; // coding sequence - int quality; // video quality - int slices_per_frame; // number of slices per frame - unsigned int frames_per_sequence; // number of frames per sequence - int frame_rate_num; // numerator of frames per second - int frame_rate_den; // denominator of frames per second - unsigned int shape_quality; // binary shape quality - unsigned int search_range; // motion estimation search range - unsigned char verbose; // verbosity - } fame_parameters_t; - */ - // width and height specify the size of each frames of the video sequence. - // Both must be multiple of 16. width and height must be less than 4096x4096 - fame_par.width = 720; - fame_par.height = 576; - - // coding is a string of I, P or B characters representing the sequence of - // frames the encoder must produce. I frames are intra-coded frames (similar - // to JPEG), whereas P and B frames are motion compressed, respectively - // predicted from past reference (I or P) frame, or bidirectionally predicted - // from past and future reference frame. - fame_par.coding = config->readString("frame_sequence")->c_str(); - - // quality is a percentage, which controls compression versus quality. - fame_par.quality = config->readInt("video_quality"); - - // Bitrate - fame_par.bitrate = config->readInt("video_bitrate") * 1000; // video bitrate in bytes pr second (0=VBR) - - // slices_per_frame is the number of frame slices per frame. More slices provide - // better error recovery. There must be at least one slice per frame, and at most - // height / 16 - fame_par.slices_per_frame = 1;//fame_par.height / 16; - - // frames_per_sequence is the maximum number of frames contained in a video - // sequence. - fame_par.frames_per_sequence = 0xffffffff; // Unlimited length - - // frame_rate_num/frame_rate_den specify the number of frames per second for - // playback. - fame_par.frame_rate_num = 25; // 25 / 1 fps = 25 fps - fame_par.frame_rate_den = 1; - - // shape_quality is percentage determing the average binary shape accuracy in - // video with arbitrary shape. - fame_par.shape_quality = 100; // Original shape - - // search_range specifies the motion estimation search range in pixel unit. - // Small search ranges work best with slow motion videos, whereas larger search - // ranges are rather for fast motion videos. - fame_par.search_range = 0; // Adaptive search range - - // verbose when set to 1 outputs information on copyright, modules used and - // current frame on standard error. - fame_par.verbose = 0; - - static const char profilename[] = "MIaV\0"; - fame_par.profile = profilename; // profile name - fame_par.total_frames = 0; // total number of frames - - if(strcmp(config->readString("encoding_codec")->c_str(), "mpeg4") == 0) { - - info->info("Using mpeg4 compression."); - fame_object_t *object; - - object = fame_get_object(fame_context, "profile/mpeg4/simple"); - if(object) fame_register(fame_context, "profile", object); - - } else if(strcmp(config->readString("encoding_codec")->c_str(), "mpeg1") == 0) { - - info->info("Using mpeg1 compression."); - fame_object_t *object; - - object = fame_get_object(fame_context, "profile/mpeg1"); - if(object) fame_register(fame_context, "profile", object); - - } else if(strcmp(config->readString("encoding_codec")->c_str(), "mpeg1") == 0) { - } else { - info->info("Using default (mpeg1) compression."); - } - - fame_init(fame_context, &fame_par, fame_buffer, FAME_BUFFER_SIZE); -} - -LibFAMEWrapper::~LibFAMEWrapper() -{ - delete [] yuv.y; - delete [] yuv.u; - delete [] yuv.v; -} - -Frame *LibFAMEWrapper::encode(Frame *dvframe) -{ - // if(!f) return; // The file was not opened. - - // Decode DV Frame to YUV422 - int w = 720; - int h = 576; - - unsigned char *pixels[3]; - int pitches[3]; - - if(!dvdecoder) { - dvdecoder = dv_decoder_new(FALSE/*this value is unused*/, FALSE, FALSE); - dvdecoder->quality = DV_QUALITY_BEST; - - dv_parse_header(dvdecoder, dvframe->data); - //dv_parse_packs(decoder, frame->data); // Not needed anyway! - - dvdecoder->system = e_dv_system_625_50; // PAL lines, PAL framerate - dvdecoder->sampling = e_dv_sample_422; // 4 bytes y, 2 bytes u, 2 bytes v - dvdecoder->std = e_dv_std_iec_61834; - dvdecoder->num_dif_seqs = 12; - } - - pixels[ 0 ] = picture; // We use this as the output buffer - pitches[ 0 ] = w * 2; - - dv_decode_full_frame(dvdecoder, - dvframe->data, - e_dv_color_yuv, - pixels, - pitches); - - // Convert YUV422 to YUV420p - int w2 = w / 2; - uint8_t *y = yuv.y; - uint8_t *cb = yuv.u; - uint8_t *cr = yuv.v; - uint8_t *p = picture; - - for ( int i = 0; i < h; i += 2 ) { - // process two scanlines (one from each field, interleaved) - for ( int j = 0; j < w2; j++ ) { - // packed YUV 422 is: Y[i] U[i] Y[i+1] V[i] - *( y++ ) = *( p++ ); - *( cb++ ) = *( p++ ); - *( y++ ) = *( p++ ); - *( cr++ ) = *( p++ ); - } - - // process next two scanlines (one from each field, interleaved) - for ( int j = 0; j < w2; j++ ) { - // skip every second line for U and V - *( y++ ) = *( p++ ); - p++; - *( y++ ) = *( p++ ); - p++; - } - } - - // Allocate a new frame for the output - Frame *output = new Frame(NULL, FAME_BUFFER_SIZE); - - // Init frame params - dv_get_timestamp(dvdecoder, output->timecode); // Set timecode - output->size = 0; // Init size (incremented as we read) - unsigned char* pt = output->data; // Set pointer to start of data buffer - - // Encode YUV frame and write it to disk. - fame_start_frame(fame_context, &yuv, 0); - int written; - - while((written = fame_encode_slice(fame_context))) { - memcpy(pt, fame_buffer, written); - pt += written; - output->size += written; - } - - // fame_frame_statistics_t stats; - - // fame_end_frame(fame_context, &stats); - /* - info->info("frame_number: %d, coding: %c, target_bits: %d, actual_bits: %d, spatial_activity: %d, quant_scale: %f", - stats.frame_number, - stats.coding, - stats.target_bits, - stats.actual_bits, - stats.spatial_activity, - stats.quant_scale); - */ - /* - fame_frame_statistics_t_ { - unsigned int frame_number; - char coding; - signed int target_bits; - unsigned int actual_bits; - unsigned int spatial_activity; - float quant_scale; - } - */ - frame_number++; - calc_bitrate += output->size; //stats.actual_bits; - output->bitrate = (unsigned int)((double)calc_bitrate / (double)frame_number) * 25; - - return output; -} - -- cgit v1.2.3