#include <boost/bind.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/lexical_cast.hpp>
+#include <boost/thread.hpp>
+#include <boost/filesystem.hpp>
#include <openjpeg.h>
#include <openssl/md5.h>
#include <magick/MagickCore.h>
#include "dcp_content_type.h"
#include "filter.h"
#include "screen.h"
-#include "film_state.h"
#include "sound_processor.h"
#ifndef DVDOMATIC_DISABLE_PLAYER
#include "player_manager.h"
using namespace std;
using namespace boost;
+thread::id ui_thread;
+
/** Convert some number of seconds to a string representation
* in hours, minutes and seconds.
*
}
#endif
-/** @param s Sample format.
- * @return String representation.
- */
-string
-audio_sample_format_to_string (AVSampleFormat s)
-{
- /* Our sample format handling is not exactly complete */
-
- switch (s) {
- case AV_SAMPLE_FMT_S16:
- return "S16";
- default:
- break;
- }
-
- return "Unknown";
-}
-
-/** @param s String representation of a sample format, as returned from audio_sample_format_to_string().
- * @return Sample format.
- */
-AVSampleFormat
-audio_sample_format_from_string (string s)
-{
- if (s == "S16") {
- return AV_SAMPLE_FMT_S16;
- }
-
- return AV_SAMPLE_FMT_NONE;
-}
-
/** @return Version of vobcopy that is on the path (and hence that we will use) */
static string
vobcopy_version ()
}
#endif
-/** Call the required functions to set up DVD-o-matic's static arrays, etc. */
+/** Call the required functions to set up DVD-o-matic's static arrays, etc.
+ * Must be called from the UI thread, if there is one.
+ */
void
dvdomatic_setup ()
{
Filter::setup_filters ();
SoundProcessor::setup_sound_processors ();
+ ui_thread = this_thread::get_id ();
+
#ifdef DVDOMATIC_POSIX
struct sigaction sa;
sa.sa_flags = SA_SIGINFO;
return s.str ();
}
+DCPFrameRate
+dcp_frame_rate (float fps)
+{
+ DCPFrameRate dfr;
+
+ dfr.run_fast = (fps != rint (fps));
+ dfr.frames_per_second = rint (fps);
+ dfr.skip = 1;
+
+ /* XXX: somewhat arbitrary */
+ if (fps == 50) {
+ dfr.frames_per_second = 25;
+ dfr.skip = 2;
+ }
+
+ return dfr;
+}
+
/** @param An arbitrary sampling rate.
* @return The appropriate DCP-approved sampling rate (48kHz or 96kHz).
*/
return 96000;
}
+bool operator== (Size const & a, Size const & b)
+{
+ return (a.width == b.width && a.height == b.height);
+}
+
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);
memcpy (data, _buffer, size);
}
-Rectangle
-Rectangle::intersection (Rectangle const & other) const
+Rect
+Rect::intersection (Rect const & other) const
{
int const tx = max (x, other.x);
int const ty = max (y, other.y);
- return Rectangle (
+ return Rect (
tx, ty,
min (x + width, other.x + other.width) - tx,
min (y + height, other.y + other.height) - ty
*/
int
-round_up (int a, int t)
+stride_round_up (int c, int const * stride, int t)
{
- a += (t - 1);
+ int const a = stride[c] + (t - 1);
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
if (line.empty ()) {
continue;
}
-
+
if (line[0] == '#') {
continue;
}
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::~AudioBuffers ()
+{
+ for (int i = 0; i < _channels; ++i) {
+ delete[] _data[i];
+ }
+
+ delete[] _data;
+}
+
+/** @param c Channel index.
+ * @return Buffer for this channel.
+ */
+float*
+AudioBuffers::data (int c) const
+{
+ assert (c >= 0 && c < _channels);
+ return _data[c];
+}
+
+/** 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)
+{
+ assert (f <= _allocated_frames);
+ _frames = f;
+}
+
+/** Make all samples on all channels silent */
+void
+AudioBuffers::make_silent ()
+{
+ for (int i = 0; i < _channels; ++i) {
+ make_silent (i);
+ }
+}
+
+/** Make all samples on a given channel silent.
+ * @param c Channel.
+ */
+void
+AudioBuffers::make_silent (int c)
+{
+ assert (c >= 0 && c < _channels);
+
+ for (int i = 0; i < _frames; ++i) {
+ _data[c][i] = 0;
+ }
+}
+
+/** 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());
+
+ 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);
+
+ for (int i = 0; i < _channels; ++i) {
+ memcpy (_data[i] + write_offset, from->_data[i] + read_offset, frames_to_copy * sizeof(float));
+ }
+}
+
+/** 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)
+{
+ 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));
+ }
+}
+
+/** Trip an assert if the caller is not in the UI thread */
+void
+ensure_ui_thread ()
+{
+ assert (this_thread::get_id() == ui_thread);
+}
+
+/** @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)
+{
+ return ((int64_t) v * audio_sample_rate / frames_per_second);
+}
+
+/** @param f Filename.
+ * @return true if this file is a still image, false if it is something else.
+ */
+bool
+still_image_file (string f)
+{
+#if BOOST_FILESYSTEM_VERSION == 3
+ string ext = boost::filesystem::path(f).extension().string();
+#else
+ string ext = boost::filesystem::path(f).extension();
+#endif
+
+ transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+
+ return (ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png");
+}
projects / dcpomatic.git / blobdiff