/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree.
*/ #ifndef VPX_VPX_VP8CX_H_ #define VPX_VPX_VP8CX_H_
/*!\file * \brief Provides definitions for using VP8 or VP9 encoder algorithm within the * vpx Codec Interface.
*/
#ifdef __cplusplus extern"C" { #endif
/*!\name Algorithm interface for VP8 * * This interface provides the capability to encode raw VP8 streams. * @{
*/
/*!\brief A single instance of the VP8 encoder. *\deprecated This access mechanism is provided for backwards compatibility; * prefer vpx_codec_vp8_cx().
*/ extern vpx_codec_iface_t vpx_codec_vp8_cx_algo;
/*!\brief The interface to the VP8 encoder.
*/ extern vpx_codec_iface_t *vpx_codec_vp8_cx(void); /*!@} - end algorithm interface member group*/
/*!\name Algorithm interface for VP9 * * This interface provides the capability to encode raw VP9 streams. * @{
*/
/*!\brief A single instance of the VP9 encoder. *\deprecated This access mechanism is provided for backwards compatibility; * prefer vpx_codec_vp9_cx().
*/ extern vpx_codec_iface_t vpx_codec_vp9_cx_algo;
/*!\brief The interface to the VP9 encoder.
*/ extern vpx_codec_iface_t *vpx_codec_vp9_cx(void); /*!@} - end algorithm interface member group*/
/* * Algorithm Flags
*/
/*!\brief 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_LAST (1 << 16)
/*!\brief 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_GF (1 << 17)
/*!\brief 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_REF_ARF (1 << 21)
/*!\brief 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_LAST (1 << 18)
/*!\brief 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_GF (1 << 22)
/*!\brief 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_NO_UPD_ARF (1 << 23)
/*!\brief 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_GF (1 << 19)
/*!\brief 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_FORCE_ARF (1 << 24)
/*!\brief Disable entropy update * * When this flag is set, the encoder will not update its internal entropy * model based on the entropy of this frame.
*/ #define VP8_EFLAG_NO_UPD_ENTROPY (1 << 20)
/*!\brief VPx encoder control functions * * This set of macros define the control functions available for VPx * encoder interface. * * \sa #vpx_codec_control
*/ enum vp8e_enc_control_id { /*!\brief Codec control function to pass an ROI map to encoder. * * Supported in codecs: VP8
*/
VP8E_SET_ROI_MAP = 8,
/*!\brief Codec control function to pass an Active map to encoder. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_ACTIVEMAP,
/*!\brief Codec control function to set encoder scaling mode. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_SCALEMODE = 11,
/*!\brief Codec control function to set encoder internal speed settings. * * 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. * * \note Valid range for VP8: -16..16 * \note Valid range for VP9: -9..9 * \note A negative value (-n) is treated as its absolute value (n) in VP9. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_CPUUSED = 13,
/*!\brief Codec control function to enable automatic use of arf frames. * * \note Valid range for VP8: 0..1 * \note Valid range for VP9: 0..6 * * Supported in codecs: VP8, VP9
*/
VP8E_SET_ENABLEAUTOALTREF,
/*!\brief control function to set noise sensitivity * * 0: off, 1: OnYOnly, 2: OnYUV, * 3: OnYUVAggressive, 4: Adaptive * * Supported in codecs: VP8
*/
VP8E_SET_NOISE_SENSITIVITY,
/*!\brief Codec control function to set higher sharpness at the expense * of a lower PSNR. * * \note Valid range: 0..7 * * Supported in codecs: VP8, VP9
*/
VP8E_SET_SHARPNESS,
/*!\brief Codec control function to set the threshold for MBs treated static. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_STATIC_THRESHOLD,
/*!\brief Codec control function to set the number of token partitions. * * Supported in codecs: VP8
*/
VP8E_SET_TOKEN_PARTITIONS,
/*!\brief Codec control function to get last quantizer chosen by the encoder. * * Return value uses internal quantizer scale defined by the codec. * * Supported in codecs: VP8, VP9
*/
VP8E_GET_LAST_QUANTIZER,
/*!\brief Codec control function to get last quantizer chosen by the encoder. * * Return value uses the 0..63 scale as used by the rc_*_quantizer config * parameters. * * Supported in codecs: VP8, VP9
*/
VP8E_GET_LAST_QUANTIZER_64,
/*!\brief Codec control function to set the max no of frames to create arf. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_ARNR_MAXFRAMES,
/*!\brief Codec control function to set the filter strength for the arf. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_ARNR_STRENGTH,
/*!\deprecated control function to set the filter type to use for the arf. */
VP8E_SET_ARNR_TYPE,
/*!\brief Codec control function to set visual tuning. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_TUNING,
/*!\brief Codec control function to set constrained / constant quality level. * * \attention For this value to be used vpx_codec_enc_cfg_t::rc_end_usage must * be set to #VPX_CQ or #VPX_Q * \note Valid range: 0..63 * * Supported in codecs: VP8, VP9
*/
VP8E_SET_CQ_LEVEL,
/*!\brief Codec control function to set Max data rate for Intra frames. * * This value controls additional clamping on the maximum size of a * keyframe. It is expressed as a percentage of the average * per-frame bitrate, with the special (and default) value 0 meaning * unlimited, or no additional clamping beyond the codec's built-in * algorithm. * * For example, to allocate no more than 4.5 frames worth of bitrate * to a keyframe, set this to 450. * * Supported in codecs: VP8, VP9
*/
VP8E_SET_MAX_INTRA_BITRATE_PCT,
/*!\brief Codec control function to set reference and update frame flags. * * Supported in codecs: VP8
*/
VP8E_SET_FRAME_FLAGS,
/*!\brief Codec control function to set max data rate for Inter frames. * * This value controls additional clamping on the maximum size of an * inter frame. It is expressed as a percentage of the average * per-frame bitrate, with the special (and default) value 0 meaning * unlimited, or no additional clamping beyond the codec's built-in * algorithm. * * For example, to allow no more than 4.5 frames worth of bitrate * to an inter frame, set this to 450. * * Supported in codecs: VP9
*/
VP9E_SET_MAX_INTER_BITRATE_PCT,
/*!\brief Boost percentage for Golden Frame in CBR mode. * * This value controls the amount of boost given to Golden Frame in * CBR mode. It is expressed as a percentage of the average * per-frame bitrate, with the special (and default) value 0 meaning * the feature is off, i.e., no golden frame boost in CBR mode and * average bitrate target is used. * * For example, to allow 100% more bits, i.e., 2X, in a golden frame * than average frame, set this to 100. * * Supported in codecs: VP9
*/
VP9E_SET_GF_CBR_BOOST_PCT,
/*!\brief Codec control function to set the temporal layer id. * * For temporal scalability: this control allows the application to set the * layer id for each frame to be encoded. Note that this control must be set * for every frame prior to encoding. The usage of this control function * supersedes the internal temporal pattern counter, which is now deprecated. * * Supported in codecs: VP8
*/
VP8E_SET_TEMPORAL_LAYER_ID,
/*!\brief Codec control function to set encoder screen content mode. * * 0: off, 1: On, 2: On with more aggressive rate control. * * Supported in codecs: VP8
*/
VP8E_SET_SCREEN_CONTENT_MODE,
/*!\brief Codec control function to set lossless encoding mode. * * VP9 can operate in lossless encoding mode, in which the bitstream * produced will be able to decode and reconstruct a perfect copy of * input source. This control function provides a mean to switch encoder * into lossless coding mode(1) or normal coding mode(0) that may be lossy. * 0 = lossy coding mode * 1 = lossless coding mode * * By default, encoder operates in normal coding mode (maybe lossy). * * Supported in codecs: VP9
*/
VP9E_SET_LOSSLESS,
/*!\brief Codec control function to set number of tile columns. * * In encoding and decoding, VP9 allows an input image frame be partitioned * into separated vertical tile columns, which can be encoded or decoded * independently. This enables easy implementation of parallel encoding and * decoding. This control requests the encoder to use column tiles in * encoding an input frame, with number of tile columns (in Log2 unit) as * the parameter: * 0 = 1 tile column * 1 = 2 tile columns * 2 = 4 tile columns * ..... * n = 2**n tile columns * The requested tile columns will be capped by the encoder based on image * size limitations (The minimum width of a tile column is 256 pixels, the * maximum is 4096). * * By default, the value is 6, i.e., the maximum number of tiles supported by * the resolution. * * Supported in codecs: VP9
*/
VP9E_SET_TILE_COLUMNS,
/*!\brief Codec control function to set number of tile rows. * * In encoding and decoding, VP9 allows an input image frame be partitioned * into separated horizontal tile rows. Tile rows are encoded or decoded * sequentially. Even though encoding/decoding of later tile rows depends on * earlier ones, this allows the encoder to output data packets for tile rows * prior to completely processing all tile rows in a frame, thereby reducing * the latency in processing between input and output. The parameter * for this control describes the number of tile rows, which has a valid * range [0, 2]: * 0 = 1 tile row * 1 = 2 tile rows * 2 = 4 tile rows * * By default, the value is 0, i.e. one single row tile for entire image. * * Supported in codecs: VP9
*/
VP9E_SET_TILE_ROWS,
/*!\brief Codec control function to enable frame parallel decoding feature. * * VP9 has a bitstream feature to reduce decoding dependency between frames * by turning off backward update of probability context used in encoding * and decoding. This allows staged parallel processing of more than one * video frame in the decoder. This control function provides a means to * turn this feature on or off for bitstreams produced by encoder. * * By default, this feature is on. * * Supported in codecs: VP9
*/
VP9E_SET_FRAME_PARALLEL_DECODING,
/*!\brief Codec control function to set adaptive quantization mode. * * VP9 has a segment based feature that allows encoder to adaptively change * quantization parameter for each segment within a frame to improve the * subjective quality. This control makes encoder operate in one of the * several AQ_modes supported. * * By default, encoder operates with AQ_Mode 0(adaptive quantization off). * * Supported in codecs: VP9
*/
VP9E_SET_AQ_MODE,
/*!\brief Codec control function to enable/disable periodic Q boost. * * One VP9 encoder speed feature is to enable quality boost by lowering * frame level Q periodically. This control function provides a mean to * turn on/off this feature. * 0 = off * 1 = on * * By default, the encoder is allowed to use this feature for appropriate * encoding modes. * * Supported in codecs: VP9
*/
VP9E_SET_FRAME_PERIODIC_BOOST,
/*!\brief Codec control function to set noise sensitivity. * * 0: off, 1: On(YOnly), 2: For SVC only, on top two spatial layers(YOnly) * * Supported in codecs: VP9
*/
VP9E_SET_NOISE_SENSITIVITY,
/*!\brief Codec control function to turn on/off SVC in encoder. * \note Return value is VPX_CODEC_INVALID_PARAM if the encoder does not * support SVC in its current encoding mode * 0: off, 1: on * * Supported in codecs: VP9
*/
VP9E_SET_SVC,
/*!\brief Codec control function to pass an ROI map to encoder. * * Supported in codecs: VP9
*/
VP9E_SET_ROI_MAP,
/*!\brief Codec control function to set parameters for SVC. * \note Parameters contain min_q, max_q, scaling factor for each of the * SVC layers. * * Supported in codecs: VP9
*/
VP9E_SET_SVC_PARAMETERS,
/*!\brief Codec control function to set svc layer for spatial and temporal. * \note Valid ranges: 0..#vpx_codec_enc_cfg::ss_number_layers for spatial * layer and 0..#vpx_codec_enc_cfg::ts_number_layers for * temporal layer. * * Supported in codecs: VP9
*/
VP9E_SET_SVC_LAYER_ID,
/*!\brief Codec control function to set content type. * \note Valid parameter range: * VP9E_CONTENT_DEFAULT = Regular video content (Default) * VP9E_CONTENT_SCREEN = Screen capture content * VP9E_CONTENT_FILM = Film content: improves grain retention * * Supported in codecs: VP9
*/
VP9E_SET_TUNE_CONTENT,
/*!\brief Codec control function to get svc layer ID. * \note The layer ID returned is for the data packet from the registered * callback function. * * Supported in codecs: VP9
*/
VP9E_GET_SVC_LAYER_ID,
/*!\brief Codec control function to register callback to get per layer packet. * \note Parameter for this control function is a structure with a callback * function and a pointer to private data used by the callback. * * Supported in codecs: VP9
*/
VP9E_REGISTER_CX_CALLBACK,
/*!\brief Codec control function to set color space info. * \note Valid ranges: 0..7, default is "UNKNOWN". * 0 = UNKNOWN, * 1 = BT_601 * 2 = BT_709 * 3 = SMPTE_170 * 4 = SMPTE_240 * 5 = BT_2020 * 6 = RESERVED * 7 = SRGB * * Supported in codecs: VP9
*/
VP9E_SET_COLOR_SPACE,
/*!\brief Codec control function to set minimum interval between GF/ARF frames * * By default the value is set as 4. * * Supported in codecs: VP9
*/
VP9E_SET_MIN_GF_INTERVAL = 48,
/*!\brief Codec control function to set minimum interval between GF/ARF frames * * By default the value is set as 16. * * Supported in codecs: VP9
*/
VP9E_SET_MAX_GF_INTERVAL,
/*!\brief Codec control function to get an Active map back from the encoder. * * Supported in codecs: VP9
*/
VP9E_GET_ACTIVEMAP,
/*!\brief Codec control function to set color range bit. * \note Valid ranges: 0..1, default is 0 * 0 = Limited range (16..235 or HBD equivalent) * 1 = Full range (0..255 or HBD equivalent) * * Supported in codecs: VP9
*/
VP9E_SET_COLOR_RANGE,
/*!\brief Codec control function to set the frame flags and buffer indices * for spatial layers. The frame flags and buffer indices are set using the * struct #vpx_svc_ref_frame_config defined below. * * Supported in codecs: VP9
*/
VP9E_SET_SVC_REF_FRAME_CONFIG,
/*!\brief Codec control function to set intended rendering image size. * * By default, this is identical to the image size in pixels. * * Supported in codecs: VP9
*/
VP9E_SET_RENDER_SIZE,
/*!\brief Codec control function to set target level. * * 255: off (default); 0: only keep level stats; 10: target for level 1.0; * 11: target for level 1.1; ... 62: target for level 6.2 * * Supported in codecs: VP9
*/
VP9E_SET_TARGET_LEVEL,
/*!\brief Codec control function to set row level multi-threading. * * 0 : off, 1 : on * * Supported in codecs: VP9
*/
VP9E_SET_ROW_MT,
/*!\brief Codec control function to get bitstream level. * * Supported in codecs: VP9
*/
VP9E_GET_LEVEL,
/*!\brief Codec control function to enable/disable special mode for altref * adaptive quantization. You can use it with --aq-mode concurrently. * * Enable special adaptive quantization for altref frames based on their * expected prediction quality for the future frames. * * Supported in codecs: VP9
*/
VP9E_SET_ALT_REF_AQ,
/*!\brief Boost percentage for Golden Frame in CBR mode. * * This value controls the amount of boost given to Golden Frame in * CBR mode. It is expressed as a percentage of the average * per-frame bitrate, with the special (and default) value 0 meaning * the feature is off, i.e., no golden frame boost in CBR mode and * average bitrate target is used. * * For example, to allow 100% more bits, i.e., 2X, in a golden frame * than average frame, set this to 100. * * Supported in codecs: VP8
*/
VP8E_SET_GF_CBR_BOOST_PCT,
/*!\brief Codec control function to enable the extreme motion vector unit test * in VP9. Please note that this is only used in motion vector unit test. * * 0 : off, 1 : MAX_EXTREME_MV, 2 : MIN_EXTREME_MV * * Supported in codecs: VP9
*/
VP9E_ENABLE_MOTION_VECTOR_UNIT_TEST,
/*!\brief Codec control function to constrain the inter-layer prediction * (prediction of lower spatial resolution) in VP9 SVC. * * 0 : inter-layer prediction on, 1 : off, 2 : off only on non-key frames * * Supported in codecs: VP9
*/
VP9E_SET_SVC_INTER_LAYER_PRED,
/*!\brief Codec control function to set mode and thresholds for frame * dropping in SVC. Drop frame thresholds are set per-layer. Mode is set as: * 0 : layer-dependent dropping, 1 : constrained dropping, current layer drop * forces drop on all upper layers. Default mode is 0. * * Supported in codecs: VP9
*/
VP9E_SET_SVC_FRAME_DROP_LAYER,
/*!\brief Codec control function to get the refresh and reference flags and * the buffer indices, up to the last encoded spatial layer. * * Supported in codecs: VP9
*/
VP9E_GET_SVC_REF_FRAME_CONFIG,
/*!\brief Codec control function to enable/disable use of golden reference as * a second temporal reference for SVC. Only used when inter-layer prediction * is disabled on INTER frames. * * 0: Off, 1: Enabled (default) * * Supported in codecs: VP9
*/
VP9E_SET_SVC_GF_TEMPORAL_REF,
/*!\brief Codec control function to enable spatial layer sync frame, for any * spatial layer. Enabling it for layer k means spatial layer k will disable * all temporal prediction, but keep the inter-layer prediction. It will * refresh any temporal reference buffer for that layer, and reset the * temporal layer for the superframe to 0. Setting the layer sync for base * spatial layer forces a key frame. Default is off (0) for all spatial * layers. Spatial layer sync flag is reset to 0 after each encoded layer, * so when control is invoked it is only used for the current superframe. * * 0: Off (default), 1: Enabled * * Supported in codecs: VP9
*/
VP9E_SET_SVC_SPATIAL_LAYER_SYNC,
/*!\brief Codec control function to enable temporal dependency model. * * Vp9 allows the encoder to run temporal dependency model and use it to * improve the compression performance. To enable, set this parameter to be * 1. The default value is set to be 1.
*/
VP9E_SET_TPL,
/*!\brief Codec control function to enable postencode frame drop. * * This will allow encoder to drop frame after it's encoded. * * 0: Off (default), 1: Enabled * * Supported in codecs: VP9
*/
VP9E_SET_POSTENCODE_DROP,
/*!\brief Codec control function to set delta q for uv. * * Cap it at +/-15. * * Supported in codecs: VP9
*/
VP9E_SET_DELTA_Q_UV,
/*!\brief Codec control function to disable increase Q on overshoot in CBR. * * 0: On (default), 1: Disable. * * Supported in codecs: VP9
*/
VP9E_SET_DISABLE_OVERSHOOT_MAXQ_CBR,
/*!\brief Codec control function to disable loopfilter. * * 0: Loopfilter on all frames, 1: Disable on non reference frames. * 2: Disable on all frames. * * Supported in codecs: VP9
*/
VP9E_SET_DISABLE_LOOPFILTER,
/*!\brief Codec control function to enable external rate control library. * * args[0]: path of the rate control library * * args[1]: private config of the rate control library * * Supported in codecs: VP9
*/
VP9E_SET_EXTERNAL_RATE_CONTROL,
/*!\brief Codec control to disable internal features in rate control. * * This will do 3 things, only for 1 pass: * - Turn off low motion computation * - Turn off gf update constraint on key frame frequency * - Turn off content mode for cyclic refresh * * With those, the rate control is expected to work exactly the same as the * interface provided in ratectrl_rtc.cc/h * * Supported in codecs: VP9
*/
VP9E_SET_RTC_EXTERNAL_RATECTRL,
/*!\brief Codec control function to get loopfilter level in the encoder. * * Supported in codecs: VP9
*/
VP9E_GET_LOOPFILTER_LEVEL,
/*!\brief Codec control to get last quantizers for all spatial layers. * * Return value uses an array of internal quantizers scale defined by the * codec, for all spatial layers. * The size of the array passed in should be #VPX_SS_MAX_LAYERS. * * Supported in codecs: VP9
*/
VP9E_GET_LAST_QUANTIZER_SVC_LAYERS,
/*!\brief Codec control to disable internal features in rate control. * * This will turn off cyclic refresh for vp8. * * With this, the rate control is expected to work exactly the same as the * interface provided in vp8_ratectrl_rtc.cc/h * * Supported in codecs: VP8
*/
VP8E_SET_RTC_EXTERNAL_RATECTRL,
/*!\brief Codec control to set quantizer for the next frame. * * This will turn off cyclic refresh. Only applicable to 1-pass without * spatial layers. * * Supported in codecs: VP9 *
*/
VP9E_SET_QUANTIZER_ONE_PASS,
/*!\brief Codec control function to enable key frame temporal filtering. * * Vp9 allows the encoder to run key frame temporal filtering and use it to * improve the compression performance. To enable, set this parameter to be * 1. The default value is set to be 0.
*/
VP9E_SET_KEY_FRAME_FILTERING,
};
/*!\brief Temporal layering mode enum for VP9 SVC. * * This set of macros define the different temporal layering modes. * Supported codecs: VP9 (in SVC mode) *
*/ typedefenum vp9e_temporal_layering_mode { /*!\brief No temporal layering. * Used when only spatial layering is used.
*/
VP9E_TEMPORAL_LAYERING_MODE_NOLAYERING = 0,
/*!\brief Bypass mode. * Used when application needs to control temporal layering. * This will only work when the number of spatial layers equals 1.
*/
VP9E_TEMPORAL_LAYERING_MODE_BYPASS = 1,
/*!\brief 0-1-0-1... temporal layering scheme with two temporal layers.
*/
VP9E_TEMPORAL_LAYERING_MODE_0101 = 2,
/*!\brief 0-2-1-2... temporal layering scheme with three temporal layers.
*/
VP9E_TEMPORAL_LAYERING_MODE_0212 = 3
} VP9E_TEMPORAL_LAYERING_MODE;
/*!\brief vpx region of interest map * * These defines the data structures for the region of interest map *
*/
typedefstruct vpx_roi_map { /*! If ROI is enabled. */
uint8_t enabled; /*! An id between 0-3 (0-7 for vp9) for each 16x16 (8x8 for VP9)
* region within a frame. */ unsignedchar *roi_map; unsignedint rows; /**< Number of rows. */ unsignedint cols; /**< Number of columns. */ /*! VP8 only uses the first 4 segments. VP9 uses 8 segments. */ int delta_q[8]; /**< Quantizer deltas. Valid range: [-63, 63].*/ int delta_lf[8]; /**< Loop filter deltas. Valid range: [-63, 63].*/ /*! skip and ref frame segment is only used in VP9. */ int skip[8]; /**< Skip this block. */ int ref_frame[8]; /**< Reference frame for this block. */ /*! Static breakout threshold for each segment. Only used in VP8. */ unsignedint static_threshold[4];
} vpx_roi_map_t;
/*!\brief vpx active region map * * These defines the data structures for active region map *
*/
typedefstruct vpx_active_map { /*!\brief specify an on (1) or off (0) each 16x16 region within a frame */ unsignedchar *active_map; unsignedint rows; /**< number of rows */ unsignedint cols; /**< number of cols */
} vpx_active_map_t;
/*!\brief vpx image scaling mode * * This defines the data structure for image scaling mode *
*/ typedefstruct vpx_scaling_mode {
VPX_SCALING_MODE h_scaling_mode; /**< horizontal scaling mode */
VPX_SCALING_MODE v_scaling_mode; /**< vertical scaling mode */
} vpx_scaling_mode_t;
/*!\brief 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. *
*/
/*!\brief VP8 model tuning parameters * * Changes the encoder to tune for certain types of input material. *
*/ typedefenum { VP8_TUNE_PSNR, VP8_TUNE_SSIM } vp8e_tuning;
/*!\brief vp9 svc layer parameters * * This defines the spatial and temporal layer id numbers for svc encoding. * This is used with the #VP9E_SET_SVC_LAYER_ID control to set the spatial and * temporal layer id for the current frame. *
*/ typedefstruct vpx_svc_layer_id { int spatial_layer_id; /**< First spatial layer to start encoding. */ // TODO(jianj): Deprecated, to be removed. int temporal_layer_id; /**< Temporal layer id number. */ int temporal_layer_id_per_spatial[VPX_SS_MAX_LAYERS]; /**< Temp layer id. */
} vpx_svc_layer_id_t;
/*!\brief vp9 svc frame flag parameters. * * This defines the frame flags and buffer indices for each spatial layer for * svc encoding. * This is used with the #VP9E_SET_SVC_REF_FRAME_CONFIG control to set frame * flags and buffer indices for each spatial layer for the current (super)frame. *
*/ typedefstruct vpx_svc_ref_frame_config { int lst_fb_idx[VPX_SS_MAX_LAYERS]; /**< Last buffer index. */ int gld_fb_idx[VPX_SS_MAX_LAYERS]; /**< Golden buffer index. */ int alt_fb_idx[VPX_SS_MAX_LAYERS]; /**< Altref buffer index. */ int update_buffer_slot[VPX_SS_MAX_LAYERS]; /**< Update reference frames. */ // TODO(jianj): Remove update_last/golden/alt_ref, these are deprecated. int update_last[VPX_SS_MAX_LAYERS]; /**< Update last. */ int update_golden[VPX_SS_MAX_LAYERS]; /**< Update golden. */ int update_alt_ref[VPX_SS_MAX_LAYERS]; /**< Update altref. */ int reference_last[VPX_SS_MAX_LAYERS]; /**< Last as reference. */ int reference_golden[VPX_SS_MAX_LAYERS]; /**< Golden as reference. */ int reference_alt_ref[VPX_SS_MAX_LAYERS]; /**< Altref as reference. */
int64_t duration[VPX_SS_MAX_LAYERS]; /**< Duration per spatial layer. */
} vpx_svc_ref_frame_config_t;
/*!\brief VP9 svc frame dropping mode. * * This defines the frame drop mode for SVC. *
*/ typedefenum {
CONSTRAINED_LAYER_DROP, /**< Upper layers are constrained to drop if current layer drops. */
LAYER_DROP, /**< Any spatial layer can drop. */
FULL_SUPERFRAME_DROP, /**< Only full superframe can drop. */
CONSTRAINED_FROM_ABOVE_DROP, /**< Lower layers are constrained to drop if current layer drops. */
} SVC_LAYER_DROP_MODE;
/*!\brief vp9 svc frame dropping parameters. * * This defines the frame drop thresholds for each spatial layer, and * the frame dropping mode: 0 = layer based frame dropping (default), * 1 = constrained dropping where current layer drop forces all upper * spatial layers to drop.
*/ typedefstruct vpx_svc_frame_drop { int framedrop_thresh[VPX_SS_MAX_LAYERS]; /**< Frame drop thresholds */
SVC_LAYER_DROP_MODE
framedrop_mode; /**< Layer-based or constrained dropping. */ int max_consec_drop; /**< Maximum consecutive drops, for any layer. */
} vpx_svc_frame_drop_t;
/*!\brief vp9 svc spatial layer sync parameters. * * This defines the spatial layer sync flag, defined per spatial layer. *
*/ typedefstruct vpx_svc_spatial_layer_sync { int spatial_layer_sync[VPX_SS_MAX_LAYERS]; /**< Sync layer flags */ int base_layer_intra_only; /**< Flag for setting Intra-only frame on base */
} vpx_svc_spatial_layer_sync_t;
/*!\cond */ /*!\brief VP8 encoder control function parameter type * * Defines the data types that VP8E control functions take. Note that * additional common controls are defined in vp8.h *
*/
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