diff options
author | Carl Hetherington <carl@carlh.net> | 2010-08-19 14:58:54 +0000 |
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committer | Carl Hetherington <carl@carlh.net> | 2010-08-19 14:58:54 +0000 |
commit | b6642d14ca64153b5731d1a3a79e4d00060541ca (patch) | |
tree | d5c2ee3b0ce0452a08f3bc950604db63f7b4118e /libs/audiographer/src | |
parent | a958dd0512a29894096e67ccd41a3d879b6bc162 (diff) |
Write BWF info on export. Fixes #3398.
git-svn-id: svn://localhost/ardour2/branches/3.0@7652 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/audiographer/src')
-rw-r--r-- | libs/audiographer/src/general/broadcast_info.cc | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/libs/audiographer/src/general/broadcast_info.cc b/libs/audiographer/src/general/broadcast_info.cc new file mode 100644 index 0000000000..43e5008e52 --- /dev/null +++ b/libs/audiographer/src/general/broadcast_info.cc @@ -0,0 +1,252 @@ +/* + Copyright (C) 2008 Paul Davis + Author: Sakari Bergen + + This program 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. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include "audiographer/broadcast_info.h" +#include "audiographer/sndfile/sndfile_base.h" +#include <iostream> +#include <sstream> +#include <iomanip> +#include <cstdarg> +#include <cstring> +#include <inttypes.h> +#include <cstdlib> + +namespace AudioGrapher +{ + +static void +snprintf_bounded_null_filled (char* target, size_t target_size, char const * fmt, ...) +{ + char buf[target_size+1]; + va_list ap; + + va_start (ap, fmt); + vsnprintf (buf, target_size+1, fmt, ap); + va_end (ap); + + memset (target, 0, target_size); + memcpy (target, buf, target_size); + +} + +BroadcastInfo::BroadcastInfo () + : _has_info (false) +{ + info = new SF_BROADCAST_INFO; + memset (info, 0, sizeof (*info)); + + // Note: Set version to 1 when UMID is used, otherwise version should stay at 0 + info->version = 0; + + time_t rawtime; + std::time (&rawtime); + _time = *localtime (&rawtime); +} + +BroadcastInfo::~BroadcastInfo () +{ + delete info; +} + +bool +BroadcastInfo::load_from_file (std::string const & filename) +{ + SNDFILE * file = 0; + SF_INFO info; + + info.format = 0; + + if (!(file = sf_open (filename.c_str(), SFM_READ, &info))) { + update_error(); + return false; + } + + bool ret = load_from_file (file); + + sf_close (file); + return ret; +} + +bool +BroadcastInfo::load_from_file (SNDFILE* sf) +{ + if (sf_command (sf, SFC_GET_BROADCAST_INFO, info, sizeof (*info)) != SF_TRUE) { + update_error(); + _has_info = false; + return false; + } + + _has_info = true; + return true; +} + +std::string +BroadcastInfo::get_description () const +{ + return info->description; +} + +int64_t +BroadcastInfo::get_time_reference () const +{ + if (!_has_info) { + return 0; + } + + int64_t ret = (uint32_t) info->time_reference_high; + ret <<= 32; + ret |= (uint32_t) info->time_reference_low; + return ret; +} + +struct tm +BroadcastInfo::get_origination_time () const +{ + struct tm ret; + + std::string date = info->origination_date; + ret.tm_year = atoi (date.substr (0, 4).c_str()) - 1900; + ret.tm_mon = atoi (date.substr (5, 2).c_str()); + ret.tm_mday = atoi (date.substr (8, 2).c_str()); + + std::string time = info->origination_time; + ret.tm_hour = atoi (time.substr (0,2).c_str()); + ret.tm_min = atoi (time.substr (3,2).c_str()); + ret.tm_sec = atoi (time.substr (6,2).c_str()); + + return ret; +} + +std::string +BroadcastInfo::get_originator () const +{ + return info->originator; +} + +std::string +BroadcastInfo::get_originator_ref () const +{ + return info->originator_reference; +} + +bool +BroadcastInfo::write_to_file (std::string const & filename) +{ + SNDFILE * file = 0; + SF_INFO info; + + info.format = 0; + + if (!(file = sf_open (filename.c_str(), SFM_RDWR, &info))) { + update_error(); + return false; + } + + bool ret = write_to_file (file); + + sf_close (file); + return ret; +} + +bool +BroadcastInfo::write_to_file (SNDFILE* sf) +{ + if (sf_command (sf, SFC_SET_BROADCAST_INFO, info, sizeof (*info)) != SF_TRUE) { + update_error(); + return false; + } + + return true; +} + +bool +BroadcastInfo::write_to_file (SndfileHandle* sf) +{ + if (sf->command (SFC_SET_BROADCAST_INFO, info, sizeof (*info)) != SF_TRUE) { + update_error (); + return false; + } + + return true; +} + +void +BroadcastInfo::set_description (std::string const & desc) +{ + _has_info = true; + + snprintf_bounded_null_filled (info->description, sizeof (info->description), desc.c_str()); +} + +void +BroadcastInfo::set_time_reference (int64_t when) +{ + _has_info = true; + + info->time_reference_high = (when >> 32); + info->time_reference_low = (when & 0xffffffff); +} + +void +BroadcastInfo::set_origination_time (struct tm * now) +{ + _has_info = true; + + if (now) { + _time = *now; + } + + snprintf_bounded_null_filled (info->origination_date, sizeof (info->origination_date), "%4d-%02d-%02d", + _time.tm_year + 1900, + _time.tm_mon + 1, + _time.tm_mday); + + snprintf_bounded_null_filled (info->origination_time, sizeof (info->origination_time), "%02d:%02d:%02d", + _time.tm_hour, + _time.tm_min, + _time.tm_sec); +} + +void +BroadcastInfo::set_originator (std::string const & str) +{ + _has_info = true; + + snprintf_bounded_null_filled (info->originator, sizeof (info->originator), str.c_str()); +} + +void +BroadcastInfo::set_originator_ref (std::string const & str) +{ + _has_info = true; + + snprintf_bounded_null_filled (info->originator_reference, sizeof (info->originator_reference), str.c_str()); +} + +void +BroadcastInfo::update_error () +{ + char errbuf[256]; + sf_error_str (0, errbuf, sizeof (errbuf) - 1); + error = errbuf; +} + +} // namespace AudioGrapher + |