diff options
Diffstat (limited to 'va/va_vpp.h')
| -rwxr-xr-x | va/va_vpp.h | 49 |
1 files changed, 45 insertions, 4 deletions
diff --git a/va/va_vpp.h b/va/va_vpp.h index 673ddc7..4de27ee 100755 --- a/va/va_vpp.h +++ b/va/va_vpp.h @@ -1012,15 +1012,56 @@ typedef struct _VAProcPipelineParameterBuffer { /** * \brief Flag to indicate the input surface flag * - * bit0: 0 non-protected 1: protected - * bit 1~31 for future + * bit0~3: Surface sample type + * - 0000: Progressive --> VA_FRAME_PICTURE + * - 0001: Single Top Field --> VA_TOP_FIELD + * - 0010: Single Bottom Field --> VA_BOTTOM_FIELD + * - 0100: Interleaved Top Field First --> VA_TOP_FIELD_FIRST + * - 1000: Interleaved Bottom Field First --> VA_BOTTOM_FIELD_FIRST + * + * For interlaced scaling, examples as follow: + * - 1. Interleaved to Interleaved (Suppose input is top field first) + * -- set input_surface_flag as VA_TOP_FIELD_FIRST + * -- set output_surface_flag as VA_TOP_FIELD_FIRST + * - 2. Interleaved to Field (Suppose input is top field first) + * An interleaved frame need to be passed twice. + * First cycle to get the first field: + * -- set input_surface_flag as VA_TOP_FIELD_FIRST + * -- set output_surface_flag as VA_TOP_FIELD + * Second cycle to get the second field: + * -- set input_surface_flag as VA_TOP_FIELD_FIRST + * -- set output_surface_flag as VA_BOTTOM_FIELD + * - 3. Field to Interleaved (Suppose first field is top field) + * -- create two surfaces, one for top field, the other for bottom field + * -- set surface with the first field surface id + * -- set backward_reference with the second field surface id + * -- set input_surface_flag as VA_TOP_FIELD + * -- set output_surface_flag as VA_TOP_FIELD_FIRST + * - 4. Field to Field: + * -- set flag according to each frame. + * + * bit31: Surface encryption + * - 0: non-protected + * - 1: protected + * + * bit4~30 for future */ uint32_t input_surface_flag; /** * \brief Flag to indicate the output surface flag * - * bit0: 0 non-protected 1: protected - * bit 1~31 for future + * bit0~3: Surface sample type + * - 0000: Progressive --> VA_FRAME_PICTURE + * - 0001: Top Field --> VA_TOP_FIELD + * - 0010: Bottom Field --> VA_BOTTOM_FIELD + * - 0100: Top Field First --> VA_TOP_FIELD_FIRST + * - 1000: Bottom Field First --> VA_BOTTOM_FIELD_FIRST + * + * bit31: Surface encryption + * - 0: non-protected + * - 1: protected + * + * bit4~30 for future */ uint32_t output_surface_flag; /** |