daala_info - Man Page

unsigned char version_major
unsigned char version_minor
unsigned char version_sub
int32_t pic_width
pic_width,_height form a region of interest to encode
int32_t pic_height
uint32_t pixel_aspect_numerator
uint32_t pixel_aspect_denominator
uint32_t timebase_numerator
uint32_t timebase_denominator
uint32_t frame_duration
int keyframe_granule_shift
The amount to shift to extract the last keyframe number from the granule position.
int bitdepth_mode
bitdepth_mode is one of the three OD_BITDEPTH_MODE_X choices allowed above.
int full_precision_references
FPR must be on for high-depth, including lossless high-depth.
int nplanes
daala_plane_info plane_info [OD_NPLANES_MAX]
int keyframe_rate
key frame rate defined how often a key frame is emitted by encoder in number of frames.

FPR must be on for high-depth, including lossless high-depth. When FPR is on for 8-bit or 10-bit content, lossless frames are still stored in reference buffers (and input buffers) with 8 + OD_COEFF_SHIFT bit depth to allow streams with mixed lossy and lossless frames. Having a mix of reference buffers stored in 10-bit and 12-bit precisions would be a disaster, so we keep them all at 12-bit internally.

key frame rate defined how often a key frame is emitted by encoder in number of frames. So 10 means every 10th frame is a keyframe.