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https://github.com/nyanmisaka/mpp.git
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d8ed1f4eb1
1. Add poll with timeout. Support three mode: block/non-block/timeout. 2. Change control MPP_SET_INPUT_BLOCK and MPP_SET_OUTPUT_BLOCK. 3. Remove msleep in most mpp interface. Change-Id: I39d9a261b6f1da66c6cb944abd71d1e7f4928d2d Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
316 lines
11 KiB
C
316 lines
11 KiB
C
/*
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* Copyright 2015 Rockchip Electronics Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __RK_MPI_H__
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#define __RK_MPI_H__
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#include "mpp_task.h"
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#include "rk_mpi_cmd.h"
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/**
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* @addtogroup rk_mpi
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* @brief rockchip media process interface
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*
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* Mpp provides application programming interface for the application layer.
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*/
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/**
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* @ingroup rk_mpi
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* @brief The type of mpp context
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*/
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typedef enum {
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MPP_CTX_DEC, /**< decoder */
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MPP_CTX_ENC, /**< encoder */
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MPP_CTX_ISP, /**< isp */
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MPP_CTX_BUTT, /**< undefined */
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} MppCtxType;
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/**
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* @ingroup rk_mpi
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* @brief Enumeration used to define the possible video compression codings.
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* sync with the omx_video.h
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*
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* @note This essentially refers to file extensions. If the coding is
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* being used to specify the ENCODE type, then additional work
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* must be done to configure the exact flavor of the compression
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* to be used. For decode cases where the user application can
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* not differentiate between MPEG-4 and H.264 bit streams, it is
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* up to the codec to handle this.
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*/
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typedef enum {
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MPP_VIDEO_CodingUnused, /**< Value when coding is N/A */
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MPP_VIDEO_CodingAutoDetect, /**< Autodetection of coding type */
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MPP_VIDEO_CodingMPEG2, /**< AKA: H.262 */
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MPP_VIDEO_CodingH263, /**< H.263 */
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MPP_VIDEO_CodingMPEG4, /**< MPEG-4 */
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MPP_VIDEO_CodingWMV, /**< Windows Media Video (WMV1,WMV2,WMV3)*/
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MPP_VIDEO_CodingRV, /**< all versions of Real Video */
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MPP_VIDEO_CodingAVC, /**< H.264/AVC */
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MPP_VIDEO_CodingMJPEG, /**< Motion JPEG */
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MPP_VIDEO_CodingVP8, /**< VP8 */
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MPP_VIDEO_CodingVP9, /**< VP9 */
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MPP_VIDEO_CodingVC1 = 0x01000000, /**< Windows Media Video (WMV1,WMV2,WMV3)*/
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MPP_VIDEO_CodingFLV1, /**< Sorenson H.263 */
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MPP_VIDEO_CodingDIVX3, /**< DIVX3 */
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MPP_VIDEO_CodingVP6,
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MPP_VIDEO_CodingHEVC, /**< H.265/HEVC */
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MPP_VIDEO_CodingAVS, /**< AVS+ */
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MPP_VIDEO_CodingKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
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MPP_VIDEO_CodingVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
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MPP_VIDEO_CodingMax = 0x7FFFFFFF
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} MppCodingType;
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typedef void* MppCtx;
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typedef void* MppParam;
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/*
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* in decoder mode application need to specify the coding type first
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* send a stream header to mpi ctx using parameter data / size
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* and decoder will try to decode the
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*/
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typedef struct MppEncConfig_t {
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/* encoder config also need to know size of itself */
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RK_U32 size;
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RK_U32 version;
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/*
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* input source data format
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*/
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RK_S32 width;
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RK_S32 height;
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RK_S32 hor_stride;
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RK_S32 ver_stride;
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RK_S32 format;
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/*
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* Encoder does not support scaling and output data only support yuv420 so far
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*/
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/*
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* rate control parameter
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*
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* rc_mode - rate control mode
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* 0 - fix qp mode
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* 1 - constant bit rate mode (CBR)
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* 2 - variable bit rate mode (VBR)
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* skip_cnt - max continuous frame skip count
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* 0 - frame skip is not allow
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* bps - target bit rate, unit: bit per second
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* fps_in - input frame rate, unit: frame per second
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* if 0 then default set to 30
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* fps_out - output frame rate, unit: frame per second
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* if 0 then default set to fps_in
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* qp - constant qp for fix qp mode
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* initial qp for CBR / VBR
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* gop - gap between Intra frame
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* 0 for only 1 I frame the rest are all P frames
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* 1 for all I frame
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* 2 for I P I P I P
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* 3 for I P P I P P
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* etc...
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*/
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RK_S32 rc_mode;
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RK_S32 skip_cnt;
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RK_S32 bps;
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RK_S32 fps_in;
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RK_S32 fps_out;
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RK_S32 qp;
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RK_S32 gop;
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/*
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* stream feature parameter
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*/
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RK_S32 profile;
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RK_S32 level;
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RK_S32 cabac_en;
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} MppEncConfig;
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/**
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* @ingroup rk_mpi
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* @brief mpp main work function set
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*
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* @note all api function are seperated into two sets: data io api set and control api set
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*
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* the data api set is for data input/output flow including:
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*
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* simple data api set:
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*
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* decode : both send video stream packet to decoder and get video frame from
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* decoder at the same time.
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* encode : both send video frame to encoder and get encoded video stream from
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* encoder at the same time.
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*
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* decode_put_packet: send video stream packet to decoder only, async interface
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* decode_get_frame : get video frame from decoder only, async interface
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*
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* encode_put_frame : send video frame to encoder only, async interface
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* encode_get_packet: get encoded video packet from encoder only, async interface
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*
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* advance task api set:
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*
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*
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* the control api set is for mpp context control including:
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* control : similiar to ioctl in kernel driver, setup or get mpp internal parameter
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* reset : clear all data in mpp context, reset to initialized status
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* the simple api set is for simple codec usage including:
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*
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*
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* reset : discard all packet and frame, reset all component,
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* for both decoder and encoder
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* control : control function for mpp property setting
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*/
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typedef struct MppApi_t {
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RK_U32 size;
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RK_U32 version;
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// simple data flow interface
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/**
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* @brief both send video stream packet to decoder and get video frame from
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* decoder at the same time
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* @param ctx The context of mpp
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* @param packet[in] The input video stream
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* @param frame[out] The output picture
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* @return 0 for decode success, others for failure
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*/
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MPP_RET (*decode)(MppCtx ctx, MppPacket packet, MppFrame *frame);
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/**
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* @brief send video stream packet to decoder only, async interface
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* @param ctx The context of mpp
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* @param packet The input video stream
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* @return 0 for success, others for failure
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*/
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MPP_RET (*decode_put_packet)(MppCtx ctx, MppPacket packet);
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/**
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* @brief get video frame from decoder only, async interface
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* @param ctx The context of mpp
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* @param frame The output picture
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* @return 0 for success, others for failure
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*/
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MPP_RET (*decode_get_frame)(MppCtx ctx, MppFrame *frame);
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/**
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* @brief both send video frame to encoder and get encoded video stream from
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* encoder at the same time
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* @param ctx The context of mpp
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* @param frame[in] The input video data
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* @param packet[out] The output compressed data
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* @return 0 for encode success, others for failure
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*/
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MPP_RET (*encode)(MppCtx ctx, MppFrame frame, MppPacket *packet);
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/**
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* @brief send video frame to encoder only, async interface
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* @param ctx The context of mpp
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* @param frame The input video data
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* @return 0 for success, others for failure
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*/
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MPP_RET (*encode_put_frame)(MppCtx ctx, MppFrame frame);
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/**
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* @brief get encoded video packet from encoder only, async interface
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* @param ctx The context of mpp
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* @param packet The output compressed data
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* @return 0 for success, others for failure
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*/
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MPP_RET (*encode_get_packet)(MppCtx ctx, MppPacket *packet);
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MPP_RET (*isp)(MppCtx ctx, MppFrame dst, MppFrame src);
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MPP_RET (*isp_put_frame)(MppCtx ctx, MppFrame frame);
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MPP_RET (*isp_get_frame)(MppCtx ctx, MppFrame *frame);
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// advance data flow interface
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/**
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* @brief poll port for dequeue
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* @param ctx The context of mpp
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* @param type input port or output port which are both for data transaction
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* @return 0 for success there is valid task for dequeue, others for failure
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*/
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MPP_RET (*poll)(MppCtx ctx, MppPortType type, MppPollType timeout);
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/**
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* @brief dequeue MppTask
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* @param ctx The context of mpp
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* @param type input port or output port which are both for data transaction
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* @param task MppTask which is sent to mpp for process
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* @return 0 for success, others for failure
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*/
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MPP_RET (*dequeue)(MppCtx ctx, MppPortType type, MppTask *task);
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/**
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* @brief enqueue MppTask
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* @param ctx The context of mpp
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* @param type input port or output port which are both for data transaction
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* @param task MppTask which is sent to mpp for process
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* @return 0 for success, others for failure
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*/
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MPP_RET (*enqueue)(MppCtx ctx, MppPortType type, MppTask task);
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// control interface
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/**
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* @brief discard all packet and frame, reset all component,
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* for both decoder and encoder
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* @param ctx The context of mpp
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*/
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MPP_RET (*reset)(MppCtx ctx);
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/**
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* @brief control function for mpp property setting
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* @param ctx The context of mpp
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* @param cmd The mpi command
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* @param param The mpi command parameter
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* @return 0 for success, others for failure
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*/
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MPP_RET (*control)(MppCtx ctx, MpiCmd cmd, MppParam param);
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/**
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* @brief The reserved segment
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*/
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RK_U32 reserv[16];
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} MppApi;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @ingroup rk_mpi
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* @brief Create empty context structure and mpi function pointers.
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* Use functions in MppApi to access mpp services.
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* @param ctx pointer of the mpp context
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* @param mpi pointer of mpi function
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*/
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MPP_RET mpp_create(MppCtx *ctx, MppApi **mpi);
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/**
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* @ingroup rk_mpi
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* @brief Call after mpp_create to setup mpp type and video format.
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* This function will call internal context init function.
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* @param ctx The context of mpp
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* @param type MppCtxType, decoder or encoder
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* @param coding video compression coding
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*/
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MPP_RET mpp_init(MppCtx ctx, MppCtxType type, MppCodingType coding);
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/**
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* @ingroup rk_mpi
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* @brief Destroy mpp context and free both context and mpi structure
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* @param ctx The context of mpp
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*/
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MPP_RET mpp_destroy(MppCtx ctx);
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// coding type format function
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MPP_RET mpp_check_support_format(MppCtxType type, MppCodingType coding);
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void mpp_show_support_format(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__RK_MPI_H__*/
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