diff options
Diffstat (limited to 'va/va.h')
-rw-r--r-- | va/va.h | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -1261,6 +1261,14 @@ typedef struct _VAEncMiscParameterRateControl typedef struct _VAEncMiscParameterFrameRate { + /* + * fps = numerator / denominator + * The high 2 bytes (bits 16 to 31) of framerate specifies the numerator, and + * the low 2 bytes (bits 0 to 15) of framerate specifies the denominator. For + * example, ((100 < 16 ) | 750) is 7.5 fps + * + * If the high 2 btyes is 0, the frame rate is specified by the low 2 bytes. + */ unsigned int framerate; union { |