mirror of
https://github.com/outbackdingo/UltraGrid.git
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229 lines
7.2 KiB
C
229 lines
7.2 KiB
C
/**
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* @file libavcodec_common.h
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* @author Martin Pulec <martin.pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2013-2019 CESNET, z. s. p. o.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LIBAVCODEC_COMMON_H_
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#define LIBAVCODEC_COMMON_H_
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#include "debug.h"
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#include "types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <libavcodec/avcodec.h>
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#include <libavutil/imgutils.h>
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#include <libavutil/mem.h>
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#include <libavutil/opt.h>
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#include <libavutil/pixfmt.h>
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#include <libavutil/version.h>
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#ifdef __cplusplus
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}
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#endif
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// component indices to rgb_shift[] (@ref av_to_uv_convert)
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#define R 0
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#define G 1
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#define B 2
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///
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/// compat
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///
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// avcodec
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#ifndef AV_CODEC_CAP_FRAME_THREADS
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#define AV_CODEC_CAP_FRAME_THREADS CODEC_CAP_FRAME_THREADS
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#endif
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#ifndef AV_CODEC_CAP_SLICE_THREADS
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#define AV_CODEC_CAP_SLICE_THREADS CODEC_CAP_SLICE_THREADS
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#endif
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#ifndef AV_CODEC_CAP_VARIABLE_FRAME_SIZE
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#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE CODEC_CAP_VARIABLE_FRAME_SIZE
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#endif
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#ifndef AV_CODEC_FLAG2_FAST
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#define AV_CODEC_FLAG2_FAST CODEC_FLAG2_FAST
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#endif
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#ifndef AV_INPUT_BUFFER_PADDING_SIZE
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#define AV_INPUT_BUFFER_PADDING_SIZE FF_INPUT_BUFFER_PADDING_SIZE
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#endif
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#if LIBAVCODEC_VERSION_INT <= AV_VERSION_INT(54, 24, 0)
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#define AV_CODEC_ID_H264 CODEC_ID_H264
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#define AV_CODEC_ID_JPEG2000 CODEC_ID_JPEG2000
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#define AV_CODEC_ID_MJPEG CODEC_ID_MJPEG
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#define AV_CODEC_ID_VP8 CODEC_ID_VP8
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#endif
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// av_frame_* was inbetween moved from lavc to lavu
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#if LIBAVCODEC_VERSION_MAJOR < 55
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#define av_frame_alloc avcodec_alloc_frame
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#define av_frame_free avcodec_free_frame
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#define av_frame_unref avcodec_get_frame_defaults
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#undef av_frame_free
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#define av_frame_free av_free
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#endif
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55, 28, 0)
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#define AV_CODEC_ID_VP9 AV_CODEC_ID_NONE
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#endif
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#if LIBAVCODEC_VERSION_INT <= AV_VERSION_INT(55, 35, 100)
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#define AV_CODEC_ID_HEVC AV_CODEC_ID_NONE
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#endif
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55, 52, 0)
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#define avcodec_free_context av_freep
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#endif
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#if LIBAVCODEC_VERSION_INT <= AV_VERSION_INT(56, 55, 1)
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#define AV_CODEC_FLAG_INTERLACED_DCT CODEC_FLAG_INTERLACED_DCT
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#endif
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(57, 8, 0)
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#define av_packet_unref av_free_packet
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#endif
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#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(58, 26, 0)
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#define AV_CODEC_ID_AV1 AV_CODEC_ID_NONE
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#endif
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// avutil
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#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(51, 42, 0) // FFMPEG commit 78071a1420b
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#define AV_PIX_FMT_NONE PIX_FMT_NONE
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#define AV_PIX_FMT_NV12 PIX_FMT_NV12
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#define AV_PIX_FMT_BGR24 PIX_FMT_BGR24
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#define AV_PIX_FMT_RGB24 PIX_FMT_RGB24
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#define AV_PIX_FMT_RGBA PIX_FMT_RGBA
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#define AV_PIX_FMT_UYVY422 PIX_FMT_RGBA
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#define AV_PIX_FMT_YUV420P PIX_FMT_YUV420P
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#define AV_PIX_FMT_YUV422P PIX_FMT_YUV422P
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#define AV_PIX_FMT_YUV444P PIX_FMT_YUV444P
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#define AV_PIX_FMT_YUVJ420P PIX_FMT_YUVJ420P
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#define AV_PIX_FMT_YUVJ422P PIX_FMT_YUVJ422P
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#define AV_PIX_FMT_YUVJ444P PIX_FMT_YUVJ444P
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#define AV_PIX_FMT_YUYV422 PIX_FMT_YUYV422
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#define AVPixelFormat PixelFormat
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#define AVCodecID CodecID
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#endif
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#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(51, 74, 100)
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#define AV_PIX_FMT_GBRP12LE PIX_FMT_GBRP12LE
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#endif
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/**
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* @todo
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* Is this stuff still needed?
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*/
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#define LAVCD_LOCK_NAME "lavcd_lock"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static void print_decoder_error(const char *mod_name, int rc) ATTRIBUTE(unused);
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static void print_decoder_error(const char *mod_name, int rc) {
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char buf[1024];
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switch (rc) {
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case 0:
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break;
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case EAGAIN:
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log_msg(LOG_LEVEL_VERBOSE, "%s No frame returned - needs more input data.\n", mod_name);
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break;
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case EINVAL:
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log_msg(LOG_LEVEL_ERROR, "%s Decoder in invalid state!\n", mod_name);
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break;
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default:
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av_strerror(rc, buf, 1024);
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log_msg(LOG_LEVEL_WARNING, "%s Error while decoding frame (rc == %d): %s.\n", mod_name, rc, buf);
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break;
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}
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}
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void print_libav_error(int verbosity, const char *msg, int rc);
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bool libav_codec_has_extradata(codec_t codec);
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typedef void uv_to_av_convert(AVFrame * __restrict out_frame, unsigned char * __restrict in_data, int width, int height);
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typedef uv_to_av_convert *pixfmt_callback_t;
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/**
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* Conversions from UltraGrid to FFMPEG formats.
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*
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* Currently do not add an "upgrade" conversion (UYVY->10b) because also
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* UltraGrid decoder can be used first and thus conversion v210->UYVY->10b
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* may be used resulting in a precision loss. If needed, put the upgrade
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* conversions below the others.
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*/
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struct uv_to_av_conversion {
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codec_t src;
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enum AVPixelFormat dst;
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pixfmt_callback_t func;
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};
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const struct uv_to_av_conversion *get_uv_to_av_conversions(void);
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typedef void av_to_uv_convert(char * __restrict dst_buffer, AVFrame * __restrict in_frame, int width, int height, int pitch, int * __restrict rgb_shift);
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typedef av_to_uv_convert *av_to_uv_convert_p;
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struct av_to_uv_conversion {
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int av_codec;
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codec_t uv_codec;
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av_to_uv_convert_p convert;
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bool native; ///< there is a 1:1 mapping between the FFMPEG and UV codec (matching
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///< color space, channel count (w/wo alpha), bit-depth,
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///< subsampling etc.). Supported out are: RGB, UYVY, v210 (in future
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///< also 10,12 bit RGB). Subsampling doesn't need to be respected (we do
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///< not have codec for eg. 4:4:4 UYVY).
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};
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const struct av_to_uv_conversion *get_av_to_uv_conversions(void);
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codec_t get_av_to_ug_codec(enum AVCodecID av_codec);
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enum AVCodecID get_ug_to_av_codec(codec_t ug_codec);
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struct uv_to_av_pixfmt {
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codec_t uv_codec;
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enum AVPixelFormat av_pixfmt;
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};
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codec_t get_av_to_ug_pixfmt(enum AVPixelFormat av_pixfmt) ATTRIBUTE(const);
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enum AVPixelFormat get_ug_to_av_pixfmt(codec_t ug_codec) ATTRIBUTE(const);
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const struct uv_to_av_pixfmt *get_av_to_ug_pixfmts(void) ATTRIBUTE(const);
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#ifdef __cplusplus
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}
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#endif
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#endif // LIBAVCODEC_COMMON_H_
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