diff options
Diffstat (limited to 'src/cpl.cc')
| -rw-r--r-- | src/cpl.cc | 28 |
1 files changed, 28 insertions, 0 deletions
@@ -850,3 +850,31 @@ CPL::can_be_read() const return std::all_of(r.begin(), r.end(), [](shared_ptr<const Reel> reel) { return reel->can_be_read(); }); } + +PictureEncoding +CPL::picture_encoding() const +{ + PictureEncoding encoding = PictureEncoding::NO_VIDEO; + + for (auto reel: reels()) { + auto const reel_encoding = reel->picture_encoding(); + switch (reel_encoding) { + case PictureEncoding::NO_VIDEO: + break; + case PictureEncoding::JPEG2000: + case PictureEncoding::MPEG2: + if (encoding == PictureEncoding::NO_VIDEO) { + encoding = reel_encoding; + } else if (encoding != reel_encoding) { + encoding = PictureEncoding::MIXED; + } + break; + case PictureEncoding::MIXED: + encoding = PictureEncoding::MIXED; + break; + } + } + + return encoding; +} + |