WebM VP8 Codec SDK
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Files | |
file | vp8cx.h |
Provides definitions for using the VP8 encoder algorithm within the vpx Codec Interface. | |
Data Structures | |
struct | vpx_roi_map |
vpx region of interest map More... | |
struct | vpx_active_map |
vpx active region map More... | |
struct | vpx_scaling_mode |
vpx image scaling mode More... | |
Defines | |
#define | VP8CX_H |
#define | VP8_EFLAG_NO_REF_LAST (1<<16) |
Don't reference the last frame. | |
#define | VP8_EFLAG_NO_REF_GF (1<<17) |
Don't reference the golden frame. | |
#define | VP8_EFLAG_NO_REF_ARF (1<<21) |
Don't reference the alternate reference frame. | |
#define | VP8_EFLAG_NO_UPD_LAST (1<<18) |
Don't update the last frame. | |
#define | VP8_EFLAG_NO_UPD_GF (1<<22) |
Don't update the golden frame. | |
#define | VP8_EFLAG_NO_UPD_ARF (1<<23) |
Don't update the alternate reference frame. | |
#define | VP8_EFLAG_FORCE_GF (1<<19) |
Force golden frame update. | |
#define | VP8_EFLAG_FORCE_ARF (1<<24) |
Force alternate reference frame update. | |
#define | VP8_EFLAG_NO_UPD_ENTROPY (1<<20) |
Disable entropy update. | |
Typedefs | |
typedef enum vpx_scaling_mode_1d | VPX_SCALING_MODE |
vpx 1-D scaling mode | |
typedef struct vpx_roi_map | vpx_roi_map_t |
vpx region of interest map | |
typedef struct vpx_active_map | vpx_active_map_t |
vpx active region map | |
typedef struct vpx_scaling_mode | vpx_scaling_mode_t |
vpx image scaling mode | |
Enumerations | |
enum | vp8e_enc_control_id { VP8E_UPD_ENTROPY = 5, VP8E_UPD_REFERENCE, VP8E_USE_REFERENCE, VP8E_SET_ROI_MAP, VP8E_SET_ACTIVEMAP, VP8E_SET_SCALEMODE = 11, VP8E_SET_CPUUSED = 13, VP8E_SET_ENABLEAUTOALTREF, VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD, VP8E_SET_TOKEN_PARTITIONS, VP8E_GET_LAST_QUANTIZER, VP8E_GET_LAST_QUANTIZER_64, VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH, VP8E_SET_ARNR_TYPE, VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL } |
VP8 encoder control functions. More... | |
enum | vpx_scaling_mode_1d { VP8E_NORMAL = 0, VP8E_FOURFIVE = 1, VP8E_THREEFIVE = 2, VP8E_ONETWO = 3 } |
vpx 1-D scaling mode More... | |
enum | vp8e_encoding_mode { VP8_BEST_QUALITY_ENCODING, VP8_GOOD_QUALITY_ENCODING, VP8_REAL_TIME_ENCODING } |
VP8 encoding mode. More... | |
enum | vp8e_token_partitions { VP8_ONE_TOKENPARTITION = 0, VP8_TWO_TOKENPARTITION = 1, VP8_FOUR_TOKENPARTITION = 2, VP8_EIGHT_TOKENPARTITION = 3 } |
VP8 token partition mode. More... | |
enum | vp8e_tuning { VP8_TUNE_PSNR, VP8_TUNE_SSIM } |
VP8 model tuning parameters. More... | |
Algorithm interface for VP8 | |
This interface provides the capability to encode raw VP8 streams, as would be found in AVI files. | |
vpx_codec_iface_t | vpx_codec_vp8_cx_algo |
vpx_codec_iface_t * | vpx_codec_vp8_cx (void) |
#define VP8_EFLAG_NO_REF_LAST (1<<16) |
Don't reference the last frame.
When this flag is set, the encoder will not use the last frame as a predictor. When not set, the encoder will choose whether to use the last frame or not automatically.
#define VP8_EFLAG_NO_REF_GF (1<<17) |
Don't reference the golden frame.
When this flag is set, the encoder will not use the golden frame as a predictor. When not set, the encoder will choose whether to use the golden frame or not automatically.
#define VP8_EFLAG_NO_REF_ARF (1<<21) |
Don't reference the alternate reference frame.
When this flag is set, the encoder will not use the alt ref frame as a predictor. When not set, the encoder will choose whether to use the alt ref frame or not automatically.
#define VP8_EFLAG_NO_UPD_LAST (1<<18) |
Don't update the last frame.
When this flag is set, the encoder will not update the last frame with the contents of the current frame.
#define VP8_EFLAG_NO_UPD_GF (1<<22) |
Don't update the golden frame.
When this flag is set, the encoder will not update the golden frame with the contents of the current frame.
#define VP8_EFLAG_NO_UPD_ARF (1<<23) |
Don't update the alternate reference frame.
When this flag is set, the encoder will not update the alt ref frame with the contents of the current frame.
#define VP8_EFLAG_FORCE_GF (1<<19) |
Force golden frame update.
When this flag is set, the encoder copy the contents of the current frame to the golden frame buffer.
#define VP8_EFLAG_FORCE_ARF (1<<24) |
Force alternate reference frame update.
When this flag is set, the encoder copy the contents of the current frame to the alternate reference frame buffer.
#define VP8_EFLAG_NO_UPD_ENTROPY (1<<20) |
Disable entropy update.
When this flag is set, the encoder will not update its internal entropy model based on the entropy of this frame.
typedef enum vpx_scaling_mode_1d VPX_SCALING_MODE |
vpx 1-D scaling mode
This set of constants define 1-D vpx scaling modes
typedef struct vpx_roi_map vpx_roi_map_t |
vpx region of interest map
These defines the data structures for the region of interest map
typedef struct vpx_active_map vpx_active_map_t |
vpx active region map
These defines the data structures for active region map
typedef struct vpx_scaling_mode vpx_scaling_mode_t |
vpx image scaling mode
This defines the data structure for image scaling mode
enum vp8e_enc_control_id |
VP8 encoder control functions.
This set of macros define the control functions available for the VP8 encoder interface.
VP8E_UPD_ENTROPY |
control function to set mode of entropy update in encoder |
VP8E_UPD_REFERENCE |
control function to set reference update mode in encoder |
VP8E_USE_REFERENCE |
control function to set which reference frame encoder can use |
VP8E_SET_ROI_MAP |
control function to pass an ROI map to encoder |
VP8E_SET_ACTIVEMAP |
control function to pass an Active map to encoder |
VP8E_SET_SCALEMODE |
control function to set encoder scaling mode |
VP8E_SET_CPUUSED |
control function to set vp8 encoder cpuused Changes in this value influences, among others, the encoder's selection of motion estimation methods. Values greater than 0 will increase encoder speed at the expense of quality. The full set of adjustments can be found in onyx_if.c:vp8_set_speed_features().
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VP8E_SET_ENABLEAUTOALTREF |
control function to enable vp8 to automatic set and use altref frame |
VP8E_SET_NOISE_SENSITIVITY |
control function to set noise sensitivity |
VP8E_SET_SHARPNESS |
control function to set sharpness |
VP8E_SET_STATIC_THRESHOLD |
control function to set the threshold for macroblocks treated static |
VP8E_SET_TOKEN_PARTITIONS |
control function to set the number of token partitions |
VP8E_GET_LAST_QUANTIZER |
return the quantizer chosen by the encoder for the last frame using the internal scale |
VP8E_GET_LAST_QUANTIZER_64 |
return the quantizer chosen by the encoder for the last frame, using the 0..63 scale as used by the rc_*_quantizer config parameters |
VP8E_SET_ARNR_MAXFRAMES |
control function to set the max number of frames blurred creating arf |
VP8E_SET_ARNR_STRENGTH |
control function to set the filter strength for the arf |
VP8E_SET_ARNR_TYPE |
control function to set the type of filter to use for the arf |
VP8E_SET_TUNING |
control function to set visual tuning |
VP8E_SET_CQ_LEVEL |
control function to set constrained quality level
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enum vpx_scaling_mode_1d |
vpx 1-D scaling mode
This set of constants define 1-D vpx scaling modes
enum vp8e_encoding_mode |
VP8 encoding mode.
This defines VP8 encoding mode
VP8 token partition mode.
This defines VP8 partitioning mode for compressed data, i.e., the number of sub-streams in the bitstream. Used for parallelized decoding.
enum vp8e_tuning |
VP8 model tuning parameters.
Changes the encoder to tune for certain types of input material.