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b18e17eabf
* qatar/master: (21 commits) utils: Check for extradata size overflows. ARM: rv34: fix asm syntax in dc transform functions avio: Fix the value of the deprecated URL_FLAG_NONBLOCK rv34: fix and optimise frame dependency checking rv34: NEON optimised dc only inverse transform avprobe: use avio_size() instead of deprecated AVFormatContext.file_size. ffmenc: remove references to deprecated AVFormatContext.timestamp. lavf: undeprecate read_seek(). avserver: remove code using deprecated CODEC_CAP_PARSE_ONLY. lavc: replace some remaining FF_I_TYPE with AV_PICTURE_TYPE_I lavc: ifdef out parse_only AVOption nellymoserdec: SAMPLE_FMT -> AV_SAMPLE_FMT mpegvideo_enc: ifdef out/replace references to deprecated codec flags. riff: remove references to sonic codec ids indeo4: add some missing static and const qualifiers rv34: DC-only inverse transform avconv: use AVFrame.width/height/format instead of corresponding AVCodecContext fields lavfi: move version macros to a new installed header version.h vsrc_buffer: release the buffer on uninit. rgb2rgb: rgb12tobgr12() ... Conflicts: avconv.c doc/APIchanges ffprobe.c libavfilter/Makefile libavfilter/avfilter.h libswscale/rgb2rgb.c libswscale/rgb2rgb.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* common internal api header.
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*/
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#ifndef AVCODEC_INTERNAL_H
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#define AVCODEC_INTERNAL_H
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#include <stdint.h>
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#include "libavutil/pixfmt.h"
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#include "avcodec.h"
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typedef struct InternalBuffer {
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uint8_t *base[AV_NUM_DATA_POINTERS];
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uint8_t *data[AV_NUM_DATA_POINTERS];
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int linesize[AV_NUM_DATA_POINTERS];
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int width;
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int height;
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enum PixelFormat pix_fmt;
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uint8_t **extended_data;
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int audio_data_size;
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int nb_channels;
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} InternalBuffer;
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typedef struct AVCodecInternal {
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/**
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* internal buffer count
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* used by default get/release/reget_buffer().
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*/
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int buffer_count;
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/**
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* internal buffers
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* used by default get/release/reget_buffer().
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*/
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InternalBuffer *buffer;
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/**
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* Whether the parent AVCodecContext is a copy of the context which had
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* init() called on it.
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* This is used by multithreading - shared tables and picture pointers
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* should be freed from the original context only.
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*/
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int is_copy;
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} AVCodecInternal;
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struct AVCodecDefault {
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const uint8_t *key;
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const uint8_t *value;
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};
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/**
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* Determine whether pix_fmt is a hardware accelerated format.
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*/
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int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
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/**
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* Return the hardware accelerated codec for codec codec_id and
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* pixel format pix_fmt.
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*
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* @param codec_id the codec to match
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* @param pix_fmt the pixel format to match
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* @return the hardware accelerated codec, or NULL if none was found.
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*/
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AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
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/**
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* Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
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* If there is no such matching pair then size is returned.
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*/
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int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
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unsigned int avpriv_toupper4(unsigned int x);
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/**
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* does needed setup of pkt_pts/pos and such for (re)get_buffer();
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*/
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void ff_init_buffer_info(AVCodecContext *s, AVFrame *pic);
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int avpriv_lock_avformat(void);
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int avpriv_unlock_avformat(void);
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/**
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* Maximum size in bytes of extradata.
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* This value was chosen such that every bit of the buffer is
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* addressable by a 32-bit signed integer as used by get_bits.
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*/
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#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
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#endif /* AVCODEC_INTERNAL_H */
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