#include <iomanip>
#include <iostream>
#include <fstream>
-#ifdef DVDOMATIC_POSIX
+#include <climits>
+#ifdef DCPOMATIC_POSIX
#include <execinfo.h>
#include <cxxabi.h>
#endif
#include <boost/lexical_cast.hpp>
#include <boost/thread.hpp>
#include <boost/filesystem.hpp>
+#include <glib.h>
#include <openjpeg.h>
#include <openssl/md5.h>
#include <magick/MagickCore.h>
#include "util.h"
#include "exceptions.h"
#include "scaler.h"
-#include "format.h"
#include "dcp_content_type.h"
#include "filter.h"
#include "sound_processor.h"
+#include "config.h"
+#include "ratio.h"
+#include "job.h"
+#ifdef DCPOMATIC_WINDOWS
+#include "stack.hpp"
+#endif
-using namespace std;
-using namespace boost;
-
-thread::id ui_thread;
+#include "i18n.h"
+
+using std::string;
+using std::stringstream;
+using std::setfill;
+using std::ostream;
+using std::endl;
+using std::vector;
+using std::hex;
+using std::setw;
+using std::ifstream;
+using std::ios;
+using std::min;
+using std::max;
+using std::list;
+using std::multimap;
+using std::istream;
+using std::numeric_limits;
+using std::pair;
+using std::ofstream;
+using boost::shared_ptr;
+using boost::thread;
+using boost::lexical_cast;
+using boost::optional;
+using libdcp::Size;
+
+static boost::thread::id ui_thread;
+static boost::filesystem::path backtrace_file;
/** Convert some number of seconds to a string representation
* in hours, minutes and seconds.
m -= (h * 60);
stringstream hms;
- hms << h << ":";
+ hms << h << N_(":");
hms.width (2);
- hms << setfill ('0') << m << ":";
+ hms << std::setfill ('0') << m << N_(":");
hms.width (2);
- hms << setfill ('0') << s;
+ hms << std::setfill ('0') << s;
return hms.str ();
}
if (h > 0) {
if (m > 30) {
- ap << (h + 1) << " hours";
+ ap << (h + 1) << N_(" ") << _("hours");
} else {
if (h == 1) {
- ap << "1 hour";
+ ap << N_("1 ") << _("hour");
} else {
- ap << h << " hours";
+ ap << h << N_(" ") << _("hours");
}
}
} else if (m > 0) {
if (m == 1) {
- ap << "1 minute";
+ ap << N_("1 ") << _("minute");
} else {
- ap << m << " minutes";
+ ap << m << N_(" ") << _("minutes");
}
} else {
- ap << s << " seconds";
+ ap << s << N_(" ") << _("seconds");
}
return ap.str ();
}
-#ifdef DVDOMATIC_POSIX
+#ifdef DCPOMATIC_POSIX
/** @param l Mangled C++ identifier.
* @return Demangled version.
*/
static string
demangle (string l)
{
- string::size_type const b = l.find_first_of ("(");
+ string::size_type const b = l.find_first_of (N_("("));
if (b == string::npos) {
return l;
}
- string::size_type const p = l.find_last_of ("+");
+ string::size_type const p = l.find_last_of (N_("+"));
if (p == string::npos) {
return l;
}
stacktrace (ostream& out, int levels)
{
void *array[200];
- size_t size;
- char **strings;
- size_t i;
-
- size = backtrace (array, 200);
- strings = backtrace_symbols (array, size);
+ size_t size = backtrace (array, 200);
+ char** strings = backtrace_symbols (array, size);
if (strings) {
- for (i = 0; i < size && (levels == 0 || i < size_t(levels)); i++) {
- out << " " << demangle (strings[i]) << endl;
+ for (size_t i = 0; i < size && (levels == 0 || i < size_t(levels)); i++) {
+ out << N_(" ") << demangle (strings[i]) << "\n";
}
free (strings);
ffmpeg_version_to_string (int v)
{
stringstream s;
- s << ((v & 0xff0000) >> 16) << "." << ((v & 0xff00) >> 8) << "." << (v & 0xff);
+ s << ((v & 0xff0000) >> 16) << N_(".") << ((v & 0xff00) >> 8) << N_(".") << (v & 0xff);
return s.str ();
}
dependency_version_summary ()
{
stringstream s;
- s << "libopenjpeg " << opj_version () << ", "
- << "libavcodec " << ffmpeg_version_to_string (avcodec_version()) << ", "
- << "libavfilter " << ffmpeg_version_to_string (avfilter_version()) << ", "
- << "libavformat " << ffmpeg_version_to_string (avformat_version()) << ", "
- << "libavutil " << ffmpeg_version_to_string (avutil_version()) << ", "
- << "libpostproc " << ffmpeg_version_to_string (postproc_version()) << ", "
- << "libswscale " << ffmpeg_version_to_string (swscale_version()) << ", "
- << MagickVersion << ", "
- << "libssh " << ssh_version (0) << ", "
- << "libdcp " << libdcp::version << " git " << libdcp::git_commit;
+ s << N_("libopenjpeg ") << opj_version () << N_(", ")
+ << N_("libavcodec ") << ffmpeg_version_to_string (avcodec_version()) << N_(", ")
+ << N_("libavfilter ") << ffmpeg_version_to_string (avfilter_version()) << N_(", ")
+ << N_("libavformat ") << ffmpeg_version_to_string (avformat_version()) << N_(", ")
+ << N_("libavutil ") << ffmpeg_version_to_string (avutil_version()) << N_(", ")
+ << N_("libpostproc ") << ffmpeg_version_to_string (postproc_version()) << N_(", ")
+ << N_("libswscale ") << ffmpeg_version_to_string (swscale_version()) << N_(", ")
+ << MagickVersion << N_(", ")
+ << N_("libssh ") << ssh_version (0) << N_(", ")
+ << N_("libdcp ") << libdcp::version << N_(" git ") << libdcp::git_commit;
return s.str ();
}
return t.tv_sec + (double (t.tv_usec) / 1e6);
}
-/** Call the required functions to set up DVD-o-matic's static arrays, etc.
+#ifdef DCPOMATIC_WINDOWS
+LONG WINAPI exception_handler(struct _EXCEPTION_POINTERS *)
+{
+ dbg::stack s;
+ ofstream f (backtrace_file.string().c_str());
+ std::copy(s.begin(), s.end(), std::ostream_iterator<dbg::stack_frame>(f, "\n"));
+ return EXCEPTION_CONTINUE_SEARCH;
+}
+#endif
+
+/** Call the required functions to set up DCP-o-matic's static arrays, etc.
* Must be called from the UI thread, if there is one.
*/
void
-dvdomatic_setup ()
+dcpomatic_setup ()
{
- libdcp::init ();
+#ifdef DCPOMATIC_WINDOWS
+ backtrace_file /= g_get_user_config_dir ();
+ backtrace_file /= "backtrace.txt";
+ SetUnhandledExceptionFilter(exception_handler);
+#endif
+
+ avfilter_register_all ();
- Format::setup_formats ();
+ Ratio::setup_ratios ();
DCPContentType::setup_dcp_content_types ();
Scaler::setup_scalers ();
Filter::setup_filters ();
SoundProcessor::setup_sound_processors ();
- ui_thread = this_thread::get_id ();
+ ui_thread = boost::this_thread::get_id ();
}
-/** @param start Start position for the crop within the image.
- * @param size Size of the cropped area.
- * @return FFmpeg crop filter string.
- */
-string
-crop_string (Position start, Size size)
+#ifdef DCPOMATIC_WINDOWS
+boost::filesystem::path
+mo_path ()
{
- stringstream s;
- s << "crop=" << size.width << ":" << size.height << ":" << start.x << ":" << start.y;
- return s.str ();
+ wchar_t buffer[512];
+ GetModuleFileName (0, buffer, 512 * sizeof(wchar_t));
+ boost::filesystem::path p (buffer);
+ p = p.parent_path ();
+ p = p.parent_path ();
+ p /= "locale";
+ return p;
+}
+#endif
+
+void
+dcpomatic_setup_gettext_i18n (string lang)
+{
+#ifdef DCPOMATIC_POSIX
+ lang += ".UTF8";
+#endif
+
+ if (!lang.empty ()) {
+ /* Override our environment language; this is essential on
+ Windows.
+ */
+ char cmd[64];
+ snprintf (cmd, sizeof(cmd), "LANGUAGE=%s", lang.c_str ());
+ putenv (cmd);
+ snprintf (cmd, sizeof(cmd), "LANG=%s", lang.c_str ());
+ putenv (cmd);
+ }
+
+ setlocale (LC_ALL, "");
+ textdomain ("libdcpomatic");
+
+#ifdef DCPOMATIC_WINDOWS
+ bindtextdomain ("libdcpomatic", mo_path().string().c_str());
+ bind_textdomain_codeset ("libdcpomatic", "UTF8");
+#endif
+
+#ifdef DCPOMATIC_POSIX
+ bindtextdomain ("libdcpomatic", POSIX_LOCALE_PREFIX);
+#endif
}
/** @param s A string.
for (string::size_type i = 0; i < s.length(); ++i) {
if (s[i] == ' ' && !in_quotes) {
out.push_back (c);
- c = "";
+ c = N_("");
} else if (s[i] == '"') {
in_quotes = !in_quotes;
} else {
stringstream s;
for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
- s << hex << setfill('0') << setw(2) << ((int) digest[i]);
+ s << std::hex << std::setfill('0') << std::setw(2) << ((int) digest[i]);
}
return s.str ();
* @return MD5 digest of file's contents.
*/
string
-md5_digest (string file)
+md5_digest (boost::filesystem::path file)
{
- ifstream f (file.c_str(), ios::binary);
+ ifstream f (file.string().c_str(), std::ios::binary);
if (!f.good ()) {
- throw OpenFileError (file);
+ throw OpenFileError (file.string());
}
- f.seekg (0, ios::end);
+ f.seekg (0, std::ios::end);
int bytes = f.tellg ();
- f.seekg (0, ios::beg);
+ f.seekg (0, std::ios::beg);
int const buffer_size = 64 * 1024;
char buffer[buffer_size];
stringstream s;
for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
- s << hex << setfill('0') << setw(2) << ((int) digest[i]);
+ s << std::hex << std::setfill('0') << std::setw(2) << ((int) digest[i]);
}
return s.str ();
}
-/** @param fps Arbitrary frames-per-second value.
- * @return DCPFrameRate for this frames-per-second.
- */
-DCPFrameRate
-dcp_frame_rate (float fps)
+/** @param job Optional job for which to report progress */
+string
+md5_digest_directory (boost::filesystem::path directory, shared_ptr<Job> job)
{
- DCPFrameRate dfr;
+ int const buffer_size = 64 * 1024;
+ char buffer[buffer_size];
- dfr.run_fast = (fps != rint (fps));
- dfr.frames_per_second = rint (fps);
- dfr.skip = 1;
+ MD5_CTX md5_context;
+ MD5_Init (&md5_context);
- /* XXX: somewhat arbitrary */
- if (fps == 50) {
- dfr.frames_per_second = 25;
- dfr.skip = 2;
+ int files = 0;
+ if (job) {
+ for (boost::filesystem::directory_iterator i(directory); i != boost::filesystem::directory_iterator(); ++i) {
+ ++files;
+ }
}
- return dfr;
-}
+ int j = 0;
+ for (boost::filesystem::directory_iterator i(directory); i != boost::filesystem::directory_iterator(); ++i) {
+ ifstream f (i->path().string().c_str(), std::ios::binary);
+ if (!f.good ()) {
+ throw OpenFileError (i->path().string());
+ }
+
+ f.seekg (0, std::ios::end);
+ int bytes = f.tellg ();
+ f.seekg (0, std::ios::beg);
+
+ while (bytes > 0) {
+ int const t = min (bytes, buffer_size);
+ f.read (buffer, t);
+ MD5_Update (&md5_context, buffer, t);
+ bytes -= t;
+ }
-/** @param An arbitrary sampling rate.
- * @return The appropriate DCP-approved sampling rate (48kHz or 96kHz).
- */
-int
-dcp_audio_sample_rate (int fs)
-{
- if (fs <= 48000) {
- return 48000;
+ if (job) {
+ job->set_progress (float (j) / files);
+ ++j;
+ }
}
- return 96000;
-}
+ unsigned char digest[MD5_DIGEST_LENGTH];
+ MD5_Final (digest, &md5_context);
-int
-dcp_audio_channels (int f)
-{
- if (f == 1) {
- /* The source is mono, so to put the mono channel into
- the centre we need to generate a 5.1 soundtrack.
- */
- return 6;
+ stringstream s;
+ for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
+ s << std::hex << std::setfill('0') << std::setw(2) << ((int) digest[i]);
}
- return f;
+ return s.str ();
}
-
-bool operator== (Size const & a, Size const & b)
+static bool
+about_equal (float a, float b)
{
- return (a.width == b.width && a.height == b.height);
-}
+ /* A film of F seconds at f FPS will be Ff frames;
+ Consider some delta FPS d, so if we run the same
+ film at (f + d) FPS it will last F(f + d) seconds.
-bool operator!= (Size const & a, Size const & b)
-{
- return !(a == b);
-}
+ Hence the difference in length over the length of the film will
+ be F(f + d) - Ff frames
+ = Ff + Fd - Ff frames
+ = Fd frames
+ = Fd/f seconds
+
+ So if we accept a difference of 1 frame, ie 1/f seconds, we can
+ say that
-bool operator== (Crop const & a, Crop const & b)
-{
- return (a.left == b.left && a.right == b.right && a.top == b.top && a.bottom == b.bottom);
-}
+ 1/f = Fd/f
+ ie 1 = Fd
+ ie d = 1/F
+
+ So for a 3hr film, ie F = 3 * 60 * 60 = 10800, the acceptable
+ FPS error is 1/F ~= 0.0001 ~= 10-e4
+ */
-bool operator!= (Crop const & a, Crop const & b)
-{
- return !(a == b);
+ return (fabs (a - b) < 1e-4);
}
-/** @param index Colour LUT index.
- * @return Human-readable name.
+/** @param An arbitrary audio frame rate.
+ * @return The appropriate DCP-approved frame rate (48kHz or 96kHz).
*/
-string
-colour_lut_index_to_name (int index)
+int
+dcp_audio_frame_rate (int fs)
{
- switch (index) {
- case 0:
- return "sRGB";
- case 1:
- return "Rec 709";
+ if (fs <= 48000) {
+ return 48000;
}
- assert (false);
- return "";
+ return 96000;
}
-Socket::Socket ()
+Socket::Socket (int timeout)
: _deadline (_io_service)
, _socket (_io_service)
- , _buffer_data (0)
+ , _timeout (timeout)
{
- _deadline.expires_at (posix_time::pos_infin);
+ _deadline.expires_at (boost::posix_time::pos_infin);
check ();
}
void
Socket::check ()
{
- if (_deadline.expires_at() <= asio::deadline_timer::traits_type::now ()) {
+ if (_deadline.expires_at() <= boost::asio::deadline_timer::traits_type::now ()) {
_socket.close ();
- _deadline.expires_at (posix_time::pos_infin);
+ _deadline.expires_at (boost::posix_time::pos_infin);
}
_deadline.async_wait (boost::bind (&Socket::check, this));
}
-/** Blocking connect with timeout.
+/** Blocking connect.
* @param endpoint End-point to connect to.
- * @param timeout Time-out in seconds.
*/
void
-Socket::connect (asio::ip::basic_resolver_entry<asio::ip::tcp> const & endpoint, int timeout)
+Socket::connect (boost::asio::ip::basic_resolver_entry<boost::asio::ip::tcp> const & endpoint)
{
- _deadline.expires_from_now (posix_time::seconds (timeout));
- system::error_code ec = asio::error::would_block;
- _socket.async_connect (endpoint, lambda::var(ec) = lambda::_1);
+ _deadline.expires_from_now (boost::posix_time::seconds (_timeout));
+ boost::system::error_code ec = boost::asio::error::would_block;
+ _socket.async_connect (endpoint, boost::lambda::var(ec) = boost::lambda::_1);
do {
_io_service.run_one();
- } while (ec == asio::error::would_block);
+ } while (ec == boost::asio::error::would_block);
if (ec || !_socket.is_open ()) {
- throw NetworkError ("connect timed out");
+ throw NetworkError (_("connect timed out"));
}
}
-/** Blocking write with timeout.
+/** Blocking write.
* @param data Buffer to write.
* @param size Number of bytes to write.
- * @param timeout Time-out, in seconds.
*/
void
-Socket::write (uint8_t const * data, int size, int timeout)
+Socket::write (uint8_t const * data, int size)
{
- _deadline.expires_from_now (posix_time::seconds (timeout));
- system::error_code ec = asio::error::would_block;
+ _deadline.expires_from_now (boost::posix_time::seconds (_timeout));
+ boost::system::error_code ec = boost::asio::error::would_block;
- asio::async_write (_socket, asio::buffer (data, size), lambda::var(ec) = lambda::_1);
+ boost::asio::async_write (_socket, boost::asio::buffer (data, size), boost::lambda::var(ec) = boost::lambda::_1);
+
do {
_io_service.run_one ();
- } while (ec == asio::error::would_block);
-
- if (ec) {
- throw NetworkError ("write timed out");
- }
-}
-
-/** Blocking read with timeout.
- * @param data Buffer to read to.
- * @param size Number of bytes to read.
- * @param timeout Time-out, in seconds.
- */
-int
-Socket::read (uint8_t* data, int size, int timeout)
-{
- _deadline.expires_from_now (posix_time::seconds (timeout));
- system::error_code ec = asio::error::would_block;
+ } while (ec == boost::asio::error::would_block);
- int amount_read = 0;
-
- _socket.async_read_some (
- asio::buffer (data, size),
- (lambda::var(ec) = lambda::_1, lambda::var(amount_read) = lambda::_2)
- );
-
- do {
- _io_service.run_one ();
- } while (ec == asio::error::would_block);
-
if (ec) {
- amount_read = 0;
+ throw NetworkError (ec.message ());
}
-
- return amount_read;
}
-/** Mark some data as being `consumed', so that it will not be returned
- * as data again.
- * @param size Amount of data to consume, in bytes.
- */
void
-Socket::consume (int size)
+Socket::write (uint32_t v)
{
- assert (_buffer_data >= size);
-
- _buffer_data -= size;
- if (_buffer_data > 0) {
- /* Shift still-valid data to the start of the buffer */
- memmove (_buffer, _buffer + size, _buffer_data);
- }
+ v = htonl (v);
+ write (reinterpret_cast<uint8_t*> (&v), 4);
}
-/** Read a definite amount of data from our socket, and mark
- * it as consumed.
- * @param data Where to put the data.
+/** Blocking read.
+ * @param data Buffer to read to.
* @param size Number of bytes to read.
*/
void
-Socket::read_definite_and_consume (uint8_t* data, int size, int timeout)
-{
- int const from_buffer = min (_buffer_data, size);
- if (from_buffer > 0) {
- /* Get data from our buffer */
- memcpy (data, _buffer, from_buffer);
- consume (from_buffer);
- /* Update our output state */
- data += from_buffer;
- size -= from_buffer;
- }
-
- /* read() the rest */
- while (size > 0) {
- int const n = read (data, size, timeout);
- if (n <= 0) {
- throw NetworkError ("could not read");
- }
-
- data += n;
- size -= n;
- }
-}
-
-/** Read as much data as is available, up to some limit.
- * @param data Where to put the data.
- * @param size Maximum amount of data to read.
- */
-void
-Socket::read_indefinite (uint8_t* data, int size, int timeout)
+Socket::read (uint8_t* data, int size)
{
- assert (size < int (sizeof (_buffer)));
+ _deadline.expires_from_now (boost::posix_time::seconds (_timeout));
+ boost::system::error_code ec = boost::asio::error::would_block;
- /* Amount of extra data we need to read () */
- int to_read = size - _buffer_data;
- while (to_read > 0) {
- /* read as much of it as we can (into our buffer) */
- int const n = read (_buffer + _buffer_data, to_read, timeout);
- if (n <= 0) {
- throw NetworkError ("could not read");
- }
+ boost::asio::async_read (_socket, boost::asio::buffer (data, size), boost::lambda::var(ec) = boost::lambda::_1);
- to_read -= n;
- _buffer_data += n;
+ do {
+ _io_service.run_one ();
+ } while (ec == boost::asio::error::would_block);
+
+ if (ec) {
+ throw NetworkError (ec.message ());
}
-
- assert (_buffer_data >= size);
-
- /* copy data into the output buffer */
- assert (size >= _buffer_data);
- memcpy (data, _buffer, size);
}
-/** @param other A Rect.
- * @return The intersection of this with `other'.
- */
-Rect
-Rect::intersection (Rect const & other) const
+uint32_t
+Socket::read_uint32 ()
{
- int const tx = max (x, other.x);
- int const ty = max (y, other.y);
-
- return Rect (
- tx, ty,
- min (x + width, other.x + other.width) - tx,
- min (y + height, other.y + other.height) - ty
- );
+ uint32_t v;
+ read (reinterpret_cast<uint8_t *> (&v), 4);
+ return ntohl (v);
}
/** Round a number up to the nearest multiple of another number.
return a - (a % t);
}
-int
-stride_lookup (int c, int const * stride)
-{
- return stride[c];
-}
-
/** Read a sequence of key / value pairs from a text stream;
* the keys are the first words on the line, and the values are
* the remainder of the line following the key. Lines beginning
get_required_string (multimap<string, string> const & kv, string k)
{
if (kv.count (k) > 1) {
- throw StringError ("unexpected multiple keys in key-value set");
+ throw StringError (N_("unexpected multiple keys in key-value set"));
}
multimap<string, string>::const_iterator i = kv.find (k);
if (i == kv.end ()) {
- throw StringError (String::compose ("missing key %1 in key-value set", k));
+ throw StringError (String::compose (_("missing key %1 in key-value set"), k));
}
return i->second;
get_optional_string (multimap<string, string> const & kv, string k)
{
if (kv.count (k) > 1) {
- throw StringError ("unexpected multiple keys in key-value set");
+ throw StringError (N_("unexpected multiple keys in key-value set"));
}
multimap<string, string>::const_iterator i = kv.find (k);
if (i == kv.end ()) {
- return "";
+ return N_("");
}
return i->second;
get_optional_int (multimap<string, string> const & kv, string k)
{
if (kv.count (k) > 1) {
- throw StringError ("unexpected multiple keys in key-value set");
+ throw StringError (N_("unexpected multiple keys in key-value set"));
}
multimap<string, string>::const_iterator i = kv.find (k);
return lexical_cast<int> (i->second);
}
-/** Construct an AudioBuffers. Audio data is undefined after this constructor.
- * @param channels Number of channels.
- * @param frames Number of frames to reserve space for.
- */
-AudioBuffers::AudioBuffers (int channels, int frames)
- : _channels (channels)
- , _frames (frames)
- , _allocated_frames (frames)
-{
- _data = new float*[_channels];
- for (int i = 0; i < _channels; ++i) {
- _data[i] = new float[frames];
- }
-}
-
-/** Copy constructor.
- * @param other Other AudioBuffers; data is copied.
- */
-AudioBuffers::AudioBuffers (AudioBuffers const & other)
- : _channels (other._channels)
- , _frames (other._frames)
- , _allocated_frames (other._frames)
-{
- _data = new float*[_channels];
- for (int i = 0; i < _channels; ++i) {
- _data[i] = new float[_frames];
- memcpy (_data[i], other._data[i], _frames * sizeof (float));
- }
-}
-
-/** AudioBuffers destructor */
-AudioBuffers::~AudioBuffers ()
+/** Trip an assert if the caller is not in the UI thread */
+void
+ensure_ui_thread ()
{
- for (int i = 0; i < _channels; ++i) {
- delete[] _data[i];
- }
-
- delete[] _data;
+ assert (boost::this_thread::get_id() == ui_thread);
}
-/** @param c Channel index.
- * @return Buffer for this channel.
+/** @param v Content video frame.
+ * @param audio_sample_rate Source audio sample rate.
+ * @param frames_per_second Number of video frames per second.
+ * @return Equivalent number of audio frames for `v'.
*/
-float*
-AudioBuffers::data (int c) const
+int64_t
+video_frames_to_audio_frames (VideoContent::Frame v, float audio_sample_rate, float frames_per_second)
{
- assert (c >= 0 && c < _channels);
- return _data[c];
+ return ((int64_t) v * audio_sample_rate / frames_per_second);
}
-/** Set the number of frames that these AudioBuffers will report themselves
- * as having.
- * @param f Frames; must be less than or equal to the number of allocated frames.
- */
-void
-AudioBuffers::set_frames (int f)
+string
+audio_channel_name (int c)
{
- assert (f <= _allocated_frames);
- _frames = f;
-}
+ assert (MAX_AUDIO_CHANNELS == 6);
-/** Make all samples on all channels silent */
-void
-AudioBuffers::make_silent ()
-{
- for (int i = 0; i < _channels; ++i) {
- make_silent (i);
- }
+ /* TRANSLATORS: these are the names of audio channels; Lfe (sub) is the low-frequency
+ enhancement channel (sub-woofer)./
+ */
+ string const channels[] = {
+ _("Left"),
+ _("Right"),
+ _("Centre"),
+ _("Lfe (sub)"),
+ _("Left surround"),
+ _("Right surround"),
+ };
+
+ return channels[c];
}
-/** Make all samples on a given channel silent.
- * @param c Channel.
- */
-void
-AudioBuffers::make_silent (int c)
+FrameRateConversion::FrameRateConversion (float source, int dcp)
+ : skip (false)
+ , repeat (false)
+ , change_speed (false)
{
- assert (c >= 0 && c < _channels);
-
- for (int i = 0; i < _frames; ++i) {
- _data[c][i] = 0;
+ if (fabs (source / 2.0 - dcp) < (fabs (source - dcp))) {
+ skip = true;
+ } else if (fabs (source * 2 - dcp) < fabs (source - dcp)) {
+ repeat = true;
}
-}
-/** Copy data from another AudioBuffers to this one. All channels are copied.
- * @param from AudioBuffers to copy from; must have the same number of channels as this.
- * @param frames_to_copy Number of frames to copy.
- * @param read_offset Offset to read from in `from'.
- * @param write_offset Offset to write to in `to'.
- */
-void
-AudioBuffers::copy_from (AudioBuffers* from, int frames_to_copy, int read_offset, int write_offset)
-{
- assert (from->channels() == channels());
+ change_speed = !about_equal (source * factor(), dcp);
- assert (from);
- assert (read_offset >= 0 && (read_offset + frames_to_copy) <= from->_allocated_frames);
- assert (write_offset >= 0 && (write_offset + frames_to_copy) <= _allocated_frames);
+ if (!skip && !repeat && !change_speed) {
+ description = _("Content and DCP have the same rate.\n");
+ } else {
+ if (skip) {
+ description = _("DCP will use every other frame of the content.\n");
+ } else if (repeat) {
+ description = _("Each content frame will be doubled in the DCP.\n");
+ }
- for (int i = 0; i < _channels; ++i) {
- memcpy (_data[i] + write_offset, from->_data[i] + read_offset, frames_to_copy * sizeof(float));
+ if (change_speed) {
+ float const pc = dcp * 100 / (source * factor());
+ description += String::compose (_("DCP will run at %1%% of the content speed.\n"), pc);
+ }
}
}
-/** Move audio data around.
- * @param from Offset to move from.
- * @param to Offset to move to.
- * @param frames Number of frames to move.
- */
-
-void
-AudioBuffers::move (int from, int to, int frames)
+LocaleGuard::LocaleGuard ()
+ : _old (0)
{
- if (frames == 0) {
- return;
- }
-
- assert (from >= 0);
- assert (from < _frames);
- assert (to >= 0);
- assert (to < _frames);
- assert (frames > 0);
- assert (frames <= _frames);
- assert ((from + frames) <= _frames);
- assert ((to + frames) <= _frames);
-
- for (int i = 0; i < _channels; ++i) {
- memmove (_data[i] + to, _data[i] + from, frames * sizeof(float));
- }
-}
+ char const * old = setlocale (LC_NUMERIC, 0);
-/** Trip an assert if the caller is not in the UI thread */
-void
-ensure_ui_thread ()
-{
- assert (this_thread::get_id() == ui_thread);
+ if (old) {
+ _old = strdup (old);
+ if (strcmp (_old, "C")) {
+ setlocale (LC_NUMERIC, "C");
+ }
+ }
}
-/** @param v Source video frame.
- * @param audio_sample_rate Source audio sample rate.
- * @param frames_per_second Number of video frames per second.
- * @return Equivalent number of audio frames for `v'.
- */
-int64_t
-video_frames_to_audio_frames (SourceFrame v, float audio_sample_rate, float frames_per_second)
+LocaleGuard::~LocaleGuard ()
{
- return ((int64_t) v * audio_sample_rate / frames_per_second);
+ setlocale (LC_NUMERIC, _old);
+ free (_old);
}
-/** @param f Filename.
- * @return true if this file is a still image, false if it is something else.
- */
bool
-still_image_file (string f)
+valid_image_file (boost::filesystem::path f)
{
-#if BOOST_FILESYSTEM_VERSION == 3
- string ext = boost::filesystem::path(f).extension().string();
-#else
- string ext = boost::filesystem::path(f).extension();
-#endif
-
+ string ext = f.extension().string();
transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
-
- return (ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png");
+ return (ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png" || ext == ".bmp" || ext == ".tga");
}
-/** @return A pair containing CPU model name and the number of processors */
-pair<string, int>
-cpu_info ()
-{
- pair<string, int> info;
- info.second = 0;
-
-#ifdef DVDOMATIC_POSIX
- ifstream f ("/proc/cpuinfo");
- while (f.good ()) {
- string l;
- getline (f, l);
- if (boost::algorithm::starts_with (l, "model name")) {
- string::size_type const c = l.find (':');
- if (c != string::npos) {
- info.first = l.substr (c + 2);
- }
- } else if (boost::algorithm::starts_with (l, "processor")) {
- ++info.second;
- }
- }
-#endif
-
- return info;
-}
projects / dcpomatic.git / blobdiff