mirror of
https://github.com/outbackdingo/UltraGrid.git
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112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
#ifdef HAVE_CONFIG_H
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#include "config.h"
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#include "config_unix.h"
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#include "config_win32.h"
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#endif // HAVE_CONFIG_H
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#ifndef LIBAVCODEC_COMMON_H_
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#define LIBAVCODEC_COMMON_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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#ifdef __cplusplus
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}
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#endif
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///
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/// compat
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///
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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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#endif
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#if LIBAVCODEC_VERSION_MAJOR < 54
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#define AV_PIX_FMT_NONE PIX_FMT_NONE
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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_CODEC_ID_NONE CODEC_ID_NONE
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#define AV_CODEC_ID_H264 CODEC_ID_H264
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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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#define AVPixelFormat PixelFormat
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#define AVCodecID CodecID
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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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#define LAVCD_LOCK_NAME "lavcd_lock"
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static enum AVPixelFormat fmts444[] = { AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P };
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static enum AVPixelFormat fmts422[] = { AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P };
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static enum AVPixelFormat fmts420[] = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P };
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/**
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* @param req_pix_fmts AV_PIX_FMT_NONE-emded priority list of requested pix_fmts
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* @param pix_fmts AV_PIX_FMT_NONE-emded priority list of codec provided pix fmts
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* */
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static bool is444(enum AVPixelFormat pix_fmt) __attribute__((unused));
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static bool is422(enum AVPixelFormat pix_fmt) __attribute__((unused));
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static bool is420(enum AVPixelFormat pix_fmt) __attribute__((unused));
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static enum AVPixelFormat get_best_pix_fmt(const enum AVPixelFormat *req_pix_fmts,
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const enum AVPixelFormat *codec_pix_fmts) __attribute__((unused));
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static enum AVPixelFormat get_best_pix_fmt(const enum AVPixelFormat *req_pix_fmts,
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const enum AVPixelFormat *codec_pix_fmts)
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{
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assert(req_pix_fmts != NULL);
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if(codec_pix_fmts == NULL)
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return AV_PIX_FMT_NONE;
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enum AVPixelFormat req;
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while((req = *req_pix_fmts++) != AV_PIX_FMT_NONE) {
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const enum AVPixelFormat *tmp = codec_pix_fmts;
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enum AVPixelFormat fmt;
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while((fmt = *tmp++) != AV_PIX_FMT_NONE) {
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if(fmt == req)
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return req;
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}
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}
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return AV_PIX_FMT_NONE;
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}
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static bool is444(enum AVPixelFormat pix_fmt) {
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for(unsigned int i = 0; i < sizeof(fmts444) / sizeof(enum AVPixelFormat); ++i) {
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if(fmts444[i] == pix_fmt)
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return true;
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}
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return false;
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}
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static bool is422(enum AVPixelFormat pix_fmt) {
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for(unsigned int i = 0; i < sizeof(fmts422) / sizeof(enum AVPixelFormat); ++i) {
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if(fmts422[i] == pix_fmt)
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return true;
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}
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return false;
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}
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static bool is420(enum AVPixelFormat pix_fmt) {
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for(unsigned int i = 0; i < sizeof(fmts420) / sizeof(enum AVPixelFormat); ++i) {
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if(fmts420[i] == pix_fmt)
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return true;
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}
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return false;
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}
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#endif // LIBAVCODEC_COMMON_H_
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