From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- media/ffvpx/libavcodec/mpegpicture.h | 103 +++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 media/ffvpx/libavcodec/mpegpicture.h (limited to 'media/ffvpx/libavcodec/mpegpicture.h') diff --git a/media/ffvpx/libavcodec/mpegpicture.h b/media/ffvpx/libavcodec/mpegpicture.h new file mode 100644 index 0000000000..a457586be5 --- /dev/null +++ b/media/ffvpx/libavcodec/mpegpicture.h @@ -0,0 +1,103 @@ +/* + * Mpeg video formats-related defines and utility functions + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_MPEGPICTURE_H +#define AVCODEC_MPEGPICTURE_H + +#include + +#include "libavutil/frame.h" + +#include "avcodec.h" +#include "motion_est.h" +#include "threadframe.h" + +#define MPEGVIDEO_MAX_PLANES 4 +#define MAX_PICTURE_COUNT 36 +#define EDGE_WIDTH 16 + +typedef struct ScratchpadContext { + uint8_t *edge_emu_buffer; ///< temporary buffer for if MVs point to out-of-frame data + uint8_t *rd_scratchpad; ///< scratchpad for rate distortion mb decision + uint8_t *obmc_scratchpad; + uint8_t *b_scratchpad; ///< scratchpad used for writing into write only buffers +} ScratchpadContext; + +/** + * Picture. + */ +typedef struct Picture { + struct AVFrame *f; + ThreadFrame tf; + + AVBufferRef *qscale_table_buf; + int8_t *qscale_table; + + AVBufferRef *motion_val_buf[2]; + int16_t (*motion_val[2])[2]; + + AVBufferRef *mb_type_buf; + uint32_t *mb_type; ///< types and macros are defined in mpegutils.h + + AVBufferRef *mbskip_table_buf; + uint8_t *mbskip_table; + + AVBufferRef *ref_index_buf[2]; + int8_t *ref_index[2]; + + int alloc_mb_width; ///< mb_width used to allocate tables + int alloc_mb_height; ///< mb_height used to allocate tables + int alloc_mb_stride; ///< mb_stride used to allocate tables + + /// RefStruct reference for hardware accelerator private data + void *hwaccel_picture_private; + + int field_picture; ///< whether or not the picture was encoded in separate fields + + int b_frame_score; + int needs_realloc; ///< Picture needs to be reallocated (eg due to a frame size change) + + int reference; + int shared; + + int display_picture_number; + int coded_picture_number; +} Picture; + +/** + * Allocate a Picture's accessories, but not the AVFrame's buffer itself. + */ +int ff_alloc_picture(AVCodecContext *avctx, Picture *pic, MotionEstContext *me, + ScratchpadContext *sc, int encoding, int out_format, + int mb_stride, int mb_width, int mb_height, int b8_stride, + ptrdiff_t *linesize, ptrdiff_t *uvlinesize); + +int ff_mpeg_framesize_alloc(AVCodecContext *avctx, MotionEstContext *me, + ScratchpadContext *sc, int linesize); + +int ff_mpeg_ref_picture(Picture *dst, Picture *src); +void ff_mpeg_unref_picture(Picture *picture); + +void ff_mpv_picture_free(Picture *pic); +int ff_update_picture_tables(Picture *dst, const Picture *src); + +int ff_find_unused_picture(AVCodecContext *avctx, Picture *picture, int shared); + +#endif /* AVCODEC_MPEGPICTURE_H */ -- cgit v1.2.3