X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fsubtitle.cc;h=bd5f0c87969cc76b473c4af506c0c88e913ec235;hb=b1873c51b2e8265a01a8f0eced7fc3465f1677dc;hp=dcb747828a954598074619e6ecf57833aa6ffcf4;hpb=7ef2ba523ca2ddc0470f5837bc88ad9c597361e2;p=dcpomatic.git diff --git a/src/lib/subtitle.cc b/src/lib/subtitle.cc index dcb747828..bd5f0c879 100644 --- a/src/lib/subtitle.cc +++ b/src/lib/subtitle.cc @@ -24,10 +24,10 @@ #include "subtitle.h" #include "image.h" #include "exceptions.h" -#include "film_state.h" using namespace std; using namespace boost; +using libdcp::Size; /** Construct a TimedSubtitle. This is a subtitle image, position, * and a range of time over which it should be shown. @@ -35,8 +35,12 @@ using namespace boost; */ TimedSubtitle::TimedSubtitle (AVSubtitle const & sub) { - /* subtitle PTS in seconds */ - float const packet_time = (sub.pts / AV_TIME_BASE) + float (sub.pts % AV_TIME_BASE) / 1e6; + assert (sub.num_rects > 0); + + /* Subtitle PTS in seconds (within the source, not taking into account any of the + source that we may have chopped off for the DCP) + */ + double const packet_time = static_cast (sub.pts) / AV_TIME_BASE; /* hence start time for this sub */ _from = packet_time + (double (sub.start_display_time) / 1e3); @@ -52,7 +56,7 @@ TimedSubtitle::TimedSubtitle (AVSubtitle const & sub) throw DecodeError ("non-bitmap subtitles not yet supported"); } - shared_ptr image (new AlignedImage (PIX_FMT_RGBA, Size (rect->w, rect->h))); + shared_ptr image (new SimpleImage (PIX_FMT_RGBA, libdcp::Size (rect->w, rect->h), true)); /* Start of the first line in the subtitle */ uint8_t* sub_p = rect->pict.data[0]; @@ -74,7 +78,7 @@ TimedSubtitle::TimedSubtitle (AVSubtitle const & sub) _subtitle.reset (new Subtitle (Position (rect->x, rect->y), image)); } -/** @param t Time in seconds from the start of the film */ +/** @param t Time in seconds from the start of the source */ bool TimedSubtitle::displayed_at (double t) const { @@ -102,13 +106,13 @@ Subtitle::Subtitle (Position p, shared_ptr i) * in the coordinate space of the source. * @param subtitle_scale scaling factor to apply to the subtitle image. */ -Rectangle +Rect subtitle_transformed_area ( float target_x_scale, float target_y_scale, - Rectangle sub_area, int subtitle_offset, float subtitle_scale + Rect sub_area, int subtitle_offset, float subtitle_scale ) { - Rectangle tx; + Rect tx; sub_area.y += subtitle_offset; @@ -136,9 +140,9 @@ subtitle_transformed_area ( return tx; } -/** @return area that this subtitle take up, in the original uncropped source's coordinate space */ -Rectangle +/** @return area that this subtitle takes up, in the original uncropped source's coordinate space */ +Rect Subtitle::area () const { - return Rectangle (_position.x, _position.y, _image->size().width, _image->size().height); + return Rect (_position.x, _position.y, _image->size().width, _image->size().height); }