tornavis/source/blender/imbuf/intern/util.cc

380 lines
7.9 KiB
C++

/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup imbuf
*/
#ifdef _WIN32
# include <io.h>
#endif
#include <cstdlib>
#include "BLI_fileops.h"
#include "BLI_path_util.h"
#include "BLI_utildefines.h"
#ifdef _WIN32
# include "BLI_winstuff.h"
#endif
#include "IMB_filetype.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "imbuf.h"
#include "IMB_anim.h"
#ifdef WITH_FFMPEG
# include "BLI_string.h" /* BLI_vsnprintf */
# include "BKE_global.h" /* G.debug */
extern "C" {
# include <libavcodec/avcodec.h>
# include <libavdevice/avdevice.h>
# include <libavformat/avformat.h>
# include <libavutil/log.h>
# include "ffmpeg_compat.h"
}
#endif
#define UTIL_DEBUG 0
const char *imb_ext_image[] = {
".png", ".tga", ".bmp", ".jpg", ".jpeg", ".sgi", ".rgb", ".rgba", ".tif", ".tiff", ".tx",
#ifdef WITH_OPENJPEG
".jp2", ".j2c",
#endif
".hdr", ".dds",
#ifdef WITH_CINEON
".dpx", ".cin",
#endif
#ifdef WITH_OPENEXR
".exr",
#endif
".psd", ".pdd", ".psb",
#ifdef WITH_WEBP
".webp",
#endif
nullptr,
};
const char *imb_ext_movie[] = {
".avi", ".flc", ".mov", ".movie", ".mp4", ".m4v", ".m2v", ".m2t", ".m2ts", ".mts",
".ts", ".mv", ".avs", ".wmv", ".ogv", ".ogg", ".r3d", ".dv", ".mpeg", ".mpg",
".mpg2", ".vob", ".mkv", ".flv", ".divx", ".xvid", ".mxf", ".webm", nullptr,
};
/** Sort of wrong having audio extensions in imbuf. */
const char *imb_ext_audio[] = {
".wav",
".ogg",
".oga",
".mp3",
".mp2",
".ac3",
".aac",
".flac",
".wma",
".eac3",
".aif",
".aiff",
".m4a",
".mka",
nullptr,
};
/* OIIO will validate the entire header of some files and DPX requires 2048 */
#define HEADER_SIZE 2048
static int64_t imb_ispic_read_header_from_filepath(const char *filepath, uchar buf[HEADER_SIZE])
{
BLI_stat_t st;
int fp;
BLI_assert(!BLI_path_is_rel(filepath));
if (UTIL_DEBUG) {
printf("%s: loading %s\n", __func__, filepath);
}
if (BLI_stat(filepath, &st) == -1) {
return -1;
}
if (((st.st_mode) & S_IFMT) != S_IFREG) {
return -1;
}
if ((fp = BLI_open(filepath, O_BINARY | O_RDONLY, 0)) == -1) {
return -1;
}
const int64_t size = BLI_read(fp, buf, HEADER_SIZE);
close(fp);
return size;
}
int IMB_ispic_type_from_memory(const uchar *buf, const size_t buf_size)
{
for (const ImFileType *type = IMB_FILE_TYPES; type < IMB_FILE_TYPES_LAST; type++) {
if (type->is_a != nullptr) {
if (type->is_a(buf, buf_size)) {
return type->filetype;
}
}
}
return IMB_FTYPE_NONE;
}
int IMB_ispic_type(const char *filepath)
{
uchar buf[HEADER_SIZE];
const int64_t buf_size = imb_ispic_read_header_from_filepath(filepath, buf);
if (buf_size <= 0) {
return IMB_FTYPE_NONE;
}
return IMB_ispic_type_from_memory(buf, size_t(buf_size));
}
bool IMB_ispic_type_matches(const char *filepath, int filetype)
{
uchar buf[HEADER_SIZE];
const int64_t buf_size = imb_ispic_read_header_from_filepath(filepath, buf);
if (buf_size <= 0) {
return false;
}
const ImFileType *type = IMB_file_type_from_ftype(filetype);
if (type != nullptr) {
/* Requesting to load a type that can't check its own header doesn't make sense.
* Keep the check for developers. */
BLI_assert(type->is_a != nullptr);
if (type->is_a != nullptr) {
return type->is_a(buf, size_t(buf_size));
}
}
return false;
}
#undef HEADER_SIZE
bool IMB_ispic(const char *filepath)
{
return (IMB_ispic_type(filepath) != IMB_FTYPE_NONE);
}
static bool isavi(const char *filepath)
{
#ifdef WITH_AVI
return AVI_is_avi(filepath);
#else
(void)filepath;
return false;
#endif
}
#ifdef WITH_FFMPEG
/* BLI_vsnprintf in ffmpeg_log_callback() causes invalid warning */
# ifdef __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wmissing-format-attribute"
# endif
static char ffmpeg_last_error[1024];
static void ffmpeg_log_callback(void *ptr, int level, const char *format, va_list arg)
{
if (ELEM(level, AV_LOG_FATAL, AV_LOG_ERROR)) {
size_t n;
va_list args_cpy;
va_copy(args_cpy, arg);
n = VSNPRINTF(ffmpeg_last_error, format, args_cpy);
va_end(args_cpy);
/* strip trailing \n */
ffmpeg_last_error[n - 1] = '\0';
}
if (G.debug & G_DEBUG_FFMPEG) {
/* call default logger to print all message to console */
av_log_default_callback(ptr, level, format, arg);
}
}
# ifdef __GNUC__
# pragma GCC diagnostic pop
# endif
void IMB_ffmpeg_init()
{
avdevice_register_all();
ffmpeg_last_error[0] = '\0';
if (G.debug & G_DEBUG_FFMPEG) {
av_log_set_level(AV_LOG_DEBUG);
}
/* set own callback which could store last error to report to UI */
av_log_set_callback(ffmpeg_log_callback);
}
const char *IMB_ffmpeg_last_error()
{
return ffmpeg_last_error;
}
static int isffmpeg(const char *filepath)
{
AVFormatContext *pFormatCtx = nullptr;
uint i;
int videoStream;
const AVCodec *pCodec;
if (BLI_path_extension_check_n(filepath,
".swf",
".jpg",
".jp2",
".j2c",
".png",
".dds",
".tga",
".bmp",
".tif",
".exr",
".cin",
".wav",
nullptr))
{
return 0;
}
if (avformat_open_input(&pFormatCtx, filepath, nullptr, nullptr) != 0) {
if (UTIL_DEBUG) {
fprintf(stderr, "isffmpeg: av_open_input_file failed\n");
}
return 0;
}
if (avformat_find_stream_info(pFormatCtx, nullptr) < 0) {
if (UTIL_DEBUG) {
fprintf(stderr, "isffmpeg: avformat_find_stream_info failed\n");
}
avformat_close_input(&pFormatCtx);
return 0;
}
if (UTIL_DEBUG) {
av_dump_format(pFormatCtx, 0, filepath, 0);
}
/* Find the first video stream */
videoStream = -1;
for (i = 0; i < pFormatCtx->nb_streams; i++) {
if (pFormatCtx->streams[i] && pFormatCtx->streams[i]->codecpar &&
(pFormatCtx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO))
{
videoStream = i;
break;
}
}
if (videoStream == -1) {
avformat_close_input(&pFormatCtx);
return 0;
}
AVCodecParameters *codec_par = pFormatCtx->streams[videoStream]->codecpar;
/* Find the decoder for the video stream */
pCodec = avcodec_find_decoder(codec_par->codec_id);
if (pCodec == nullptr) {
avformat_close_input(&pFormatCtx);
return 0;
}
avformat_close_input(&pFormatCtx);
return 1;
}
#endif
int imb_get_anim_type(const char *filepath)
{
BLI_stat_t st;
BLI_assert(!BLI_path_is_rel(filepath));
if (UTIL_DEBUG) {
printf("%s: %s\n", __func__, filepath);
}
#ifndef _WIN32
# ifdef WITH_FFMPEG
/* stat test below fails on large files > 4GB */
if (isffmpeg(filepath)) {
return ANIM_FFMPEG;
}
# endif
if (BLI_stat(filepath, &st) == -1) {
return 0;
}
if (((st.st_mode) & S_IFMT) != S_IFREG) {
return 0;
}
if (isavi(filepath)) {
return ANIM_AVI;
}
if (ismovie(filepath)) {
return ANIM_MOVIE;
}
#else /* !_WIN32 */
if (BLI_stat(filepath, &st) == -1) {
return 0;
}
if (((st.st_mode) & S_IFMT) != S_IFREG) {
return 0;
}
if (ismovie(filepath)) {
return ANIM_MOVIE;
}
# ifdef WITH_FFMPEG
if (isffmpeg(filepath)) {
return ANIM_FFMPEG;
}
# endif
if (isavi(filepath)) {
return ANIM_AVI;
}
#endif /* !_WIN32 */
/* Assume a single image is part of an image sequence. */
if (IMB_ispic(filepath)) {
return ANIM_SEQUENCE;
}
return ANIM_NONE;
}
bool IMB_isanim(const char *filepath)
{
int type;
type = imb_get_anim_type(filepath);
return (type && type != ANIM_SEQUENCE);
}