TheoraTestsuite

some samples to test your theora decoder

a decoder must play all these files without problems to comply with the theora specification.

320x240.ogg [0.3 MB]

• simple example

320x240.ogv [0.3 MB]

• simple example with Skeleton Stream

320x240.skeleton+cmml.ogv [0.3 MB]

• simple example with Skeleton and CMML Stream

pixel_aspect_ratio.ogg - Frame Aspect Ratio: 1.82/1 [1.8 MB]

• defined pixel aspect ratio in header, it also has a theora comment header

videotestsrc-720x576-16-15.ogg - PAL DVD format / Frame Aspect Ratio: 1.33/1 [422K]

• defined pixel aspect ratio in header

322x242_not-divisible-by-sixteen-framesize.ogg [0.3 MB]

• both dimensions not divisible by 16 but still even - if you see a black border around the testimage you should have a look at the Spec/2.2 on page 22, to see how to use: ti.width, ti.height, ti.frame_width, ti.frame_height, ti.offset_x, ti.offset_y

[...]

• one dimension divisible by 16 while the other one isn't

[...]

• odd dimensions

chained_streams.ogg [2.4 MB]

• all other samples as a chained stream. (see Spec/A.3.1 on page 157)

multi2.ogg [171 K]

• another chained file

mobile_itu601_i_422.ogg [8 MB]

• 4:2:2 pixel format, in the original spec and supported by the mainline decoder since alpha8 and the mainline encoder since 1.1.

ducks_take_off_444_720p25.ogg [7.2 MB]

• Ogg Theora video 4:4:4 pixel format.

stockholm-vfr.ogg [1.8 MB]

• Hybrid 24fps/30fps clip encoded as 120fps with dropped frames.

offset_test.ogv [0.2 MB]

• Ogg Theora video with large offset, output should look like offset_test.pass.png, but not like offset_test.fail.png.

sign_irene_cif-3qi-b.ogg [1.3 MB]

• Ogg Theora video using 3qi (adapative quantization).