Add some debugging to checking of existing picture assets.

diff --git a/src/lib/reel_writer.cc b/src/lib/reel_writer.cc
index 609ea8437b28a1ec377319563dcc1cd70655c2a2..8243056f39a31801a53e630b99a1fa7a4293876b 100644 (file)
--- a/src/lib/reel_writer.cc
+++ b/src/lib/reel_writer.cc
@@ -178,10 +178,13 @@ ReelWriter::check_existing_picture_asset ()
        if (!asset_file) {
                LOG_GENERAL ("Could not open existing asset at %1 (errno=%2)", _picture_asset->file().string(), errno);
                return;
+       } else {
+               LOG_GENERAL ("Opened existing asset at %1", _picture_asset->file().string());
        }
 
        /* Offset of the last dcp::FrameInfo in the info file */
        int const n = (boost::filesystem::file_size (_film->info_file(_period)) / _info_size) - 1;
+       LOG_GENERAL ("The last FI is %1; info file is %2, info size %3", n, boost::filesystem::file_size (_film->info_file(_period)), _info_size);
 
        FILE* info_file = fopen_boost (_film->info_file(_period), "rb");
        if (!info_file) {
@@ -200,6 +203,9 @@ ReelWriter::check_existing_picture_asset ()
        bool ok = false;
 
        while (!ok && _first_nonexistant_frame > 0) {
+
+               LOG_GENERAL ("Checking first nonexistant frame %1", _first_nonexistant_frame);
+
                /* Read the data from the info file; for 3D we just check the left
                   frames until we find a good one.
                */
@@ -211,12 +217,14 @@ ReelWriter::check_existing_picture_asset ()
                dcpomatic_fseek (asset_file, info.offset, SEEK_SET);
                Data data (info.size);
                size_t const read = fread (data.data().get(), 1, data.size(), asset_file);
+               LOG_GENERAL ("Read %1 bytes of asset data; wanted %2", read, info.size);
                if (read != static_cast<size_t> (data.size ())) {
                        LOG_GENERAL ("Existing frame %1 is incomplete", _first_nonexistant_frame);
                        ok = false;
                } else {
                        MD5Digester digester;
                        digester.add (data.data().get(), data.size());
+                       LOG_GENERAL ("Hash %1 vs %2", digester.get(), info.hash);
                        if (digester.get() != info.hash) {
                                LOG_GENERAL ("Existing frame %1 failed hash check", _first_nonexistant_frame);
                                ok = false;
@@ -235,6 +243,8 @@ ReelWriter::check_existing_picture_asset ()
                ++_first_nonexistant_frame;
        }
 
+       LOG_GENERAL ("Proceeding with first nonexistant frame %1", _first_nonexistant_frame);
+
        fclose (asset_file);
        fclose (info_file);
 }