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Diffstat (limited to 'test/ffmpeg_structs/README')
| -rw-r--r-- | test/ffmpeg_structs/README | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/ffmpeg_structs/README b/test/ffmpeg_structs/README new file mode 100644 index 00000000..cba407d7 --- /dev/null +++ b/test/ffmpeg_structs/README @@ -0,0 +1,22 @@ +This test scans through the source files in order to find types +and pointers to types from the pascal port of the ffmpeg +libraries (TAV..., PAV...). + +It generates source files for pascal and c that print the sizes +of the types used in the sources. + +The concluding comparison shows the size differences between the +pascal types and the c structs: +- type is bigger than struct +- type is smaller than struct + +If struct members' names have changed, the compiler will complain. + +The test doesn't, however, show if struct members have been swapped +with the size staying exactly the same. Hopefully, that scenario +isn't too likely. + +With the exception of the last point, if this test doesn't yield +a result (the types and structs have the same size), it is quite +plausible that the pascal port of the c structs has been done +correctly. |