diff options
author | deva <deva> | 2006-04-10 13:21:12 +0000 |
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committer | deva <deva> | 2006-04-10 13:21:12 +0000 |
commit | d90e7cb1937c4903fcfe5593a6a59be52763f235 (patch) | |
tree | 87836cf62b4ef884de953e2a1b67743451e8c72c /lib/libdv_wrapper.cc | |
parent | 582bcd19d6a58c266f5453961c87acf72fae5353 (diff) |
*** empty log message ***
Diffstat (limited to 'lib/libdv_wrapper.cc')
-rw-r--r-- | lib/libdv_wrapper.cc | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/lib/libdv_wrapper.cc b/lib/libdv_wrapper.cc new file mode 100644 index 0000000..d570e2c --- /dev/null +++ b/lib/libdv_wrapper.cc @@ -0,0 +1,101 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * libdv_wrapper.cc + * + * Mon Apr 10 11:20:18 CEST 2006 + * Copyright 2006 Bent Bisballe Nyeng + * 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 "libdv_wrapper.h" + +static bool first = true; + +LibDVWrapper::LibDVWrapper(DV::Quality quality, + DV::System system, + DV::Sampling sampling) +{ + decoder = dv_decoder_new(FALSE, // int ignored + FALSE, // int clamp_luma + FALSE);// int clamp_chroma + setQuality(quality); + setSystem(system); + setSampling(sampling); + + width = 720; + height = 576; +} + + +LibDVWrapper::~LibDVWrapper() +{ + dv_decoder_free(decoder); +} + +void LibDVWrapper::setQuality(DV::Quality quality) +{ + dv_set_quality(decoder, quality); +} + +void LibDVWrapper::setSystem(DV::System system) +{ + decoder->system = (dv_system_t)system; +} + +void LibDVWrapper::setSampling(DV::Sampling sampling) +{ + decoder->sampling = (dv_sample_t)sampling; +} + +void LibDVWrapper::setOutputBuffer(char *output) +{ +#ifdef COLORSPACE_YV12 + yuv[0] = (unsigned char*)output; + yuv[1] = (unsigned char*)yuv[0] + (width * height); + yuv[2] = (unsigned char*)yuv[1] + (width * height / 4); + pitches[0] = width; + pitches[1] = width / 2; + pitches[2] = width / 2; +#else + yuv[0] = (unsigned char*)output;//render.getDisplayData(); // Decode directly to the XVideo buffer + pitches[0] = width * 2; +#endif +} + +void LibDVWrapper::decode(char *input) +{ + if(first) { + dv_parse_header(decoder, (const uint8_t*)input); + //dv_parse_packs(decoder, frame->data); // Not needed anyway! + + // decoder->system = e_dv_system_625_50; // PAL lines, PAL framerate + // decoder->sampling = e_dv_sample_422; // 4 bytes y, 2 bytes u, 2 bytes v + decoder->std = e_dv_std_iec_61834; + decoder->num_dif_seqs = 12; + first = false; + } + + dv_decode_full_frame(decoder, + (const uint8_t*)input, + e_dv_color_yuv, + yuv, + pitches); +} + |