tornavis/source/blender/blenkernel/intern/writeavi.cc

320 lines
8.1 KiB
C++

/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* Functions for writing AVI-format files.
* Added interface for generic movie support (ton)
* \ingroup bke
*/
#include <cstring>
#include "MEM_guardedalloc.h"
#include "DNA_scene_types.h"
#include "BLI_utildefines.h"
#include "BKE_report.h"
#ifdef WITH_AVI
# include "BLI_blenlib.h"
# include "BKE_main.h"
#endif
#include "BKE_writeavi.h"
/* ********************** general blender movie support ***************************** */
static int start_stub(void * /*context_v*/,
const Scene * /*scene*/,
RenderData * /*rd*/,
int /*rectx*/,
int /*recty*/,
ReportList * /*reports*/,
bool /*preview*/,
const char * /*suffix*/)
{
return 0;
}
static void end_stub(void * /*context_v*/) {}
static int append_stub(void * /*context_v*/,
RenderData * /*rd*/,
int /*start_frame*/,
int /*frame*/,
int * /*pixels*/,
int /*rectx*/,
int /*recty*/,
const char * /*suffix*/,
ReportList * /*reports*/)
{
return 0;
}
static void *context_create_stub()
{
return nullptr;
}
static void context_free_stub(void * /*context_v*/) {}
#ifdef WITH_AVI
# include "AVI_avi.h"
/* callbacks */
static int start_avi(void *context_v,
const Scene *scene,
RenderData *rd,
int rectx,
int recty,
ReportList *reports,
bool preview,
const char *suffix);
static void end_avi(void *context_v);
static int append_avi(void *context_v,
RenderData *rd,
int start_frame,
int frame,
int *pixels,
int rectx,
int recty,
const char *suffix,
ReportList *reports);
static void filepath_avi(char filepath[FILE_MAX],
const RenderData *rd,
bool preview,
const char *suffix);
static void *context_create_avi(void);
static void context_free_avi(void *context_v);
#endif /* WITH_AVI */
#ifdef WITH_FFMPEG
# include "BKE_writeffmpeg.h"
#endif
bMovieHandle *BKE_movie_handle_get(const char imtype)
{
static bMovieHandle mh = {nullptr};
/* stub callbacks in case none of the movie formats is supported */
mh.start_movie = start_stub;
mh.append_movie = append_stub;
mh.end_movie = end_stub;
mh.get_movie_path = nullptr;
mh.context_create = context_create_stub;
mh.context_free = context_free_stub;
/* set the default handle, as builtin */
#ifdef WITH_AVI
mh.start_movie = start_avi;
mh.append_movie = append_avi;
mh.end_movie = end_avi;
mh.get_movie_path = filepath_avi;
mh.context_create = context_create_avi;
mh.context_free = context_free_avi;
#endif
/* do the platform specific handles */
#ifdef WITH_FFMPEG
if (ELEM(imtype,
R_IMF_IMTYPE_FFMPEG,
R_IMF_IMTYPE_H264,
R_IMF_IMTYPE_XVID,
R_IMF_IMTYPE_THEORA,
R_IMF_IMTYPE_AV1))
{
mh.start_movie = BKE_ffmpeg_start;
mh.append_movie = BKE_ffmpeg_append;
mh.end_movie = BKE_ffmpeg_end;
mh.get_movie_path = BKE_ffmpeg_filepath_get;
mh.context_create = BKE_ffmpeg_context_create;
mh.context_free = BKE_ffmpeg_context_free;
}
#endif
/* in case all above are disabled */
(void)imtype;
return (mh.append_movie != append_stub) ? &mh : nullptr;
}
/* ****************************************************************** */
#ifdef WITH_AVI
static void filepath_avi(char filepath[FILE_MAX],
const RenderData *rd,
bool preview,
const char *suffix)
{
int sfra, efra;
if (filepath == nullptr) {
return;
}
if (preview) {
sfra = rd->psfra;
efra = rd->pefra;
}
else {
sfra = rd->sfra;
efra = rd->efra;
}
BLI_strncpy(filepath, rd->pic, FILE_MAX);
BLI_path_abs(filepath, BKE_main_blendfile_path_from_global());
BLI_file_ensure_parent_dir_exists(filepath);
if (rd->scemode & R_EXTENSION) {
if (!BLI_path_extension_check(filepath, ".avi")) {
BLI_path_frame_range(filepath, FILE_MAX, sfra, efra, 4);
BLI_strncat(filepath, ".avi", FILE_MAX);
}
}
else {
if (BLI_path_frame_check_chars(filepath)) {
BLI_path_frame_range(filepath, FILE_MAX, sfra, efra, 4);
}
}
BLI_path_suffix(filepath, FILE_MAX, suffix, "");
}
static int start_avi(void *context_v,
const Scene * /*scene*/,
RenderData *rd,
int rectx,
int recty,
ReportList *reports,
bool preview,
const char *suffix)
{
int x, y;
char filepath[FILE_MAX];
AviFormat format;
int quality;
double framerate;
AviMovie *avi = static_cast<AviMovie *>(context_v);
filepath_avi(filepath, rd, preview, suffix);
x = rectx;
y = recty;
quality = rd->im_format.quality;
framerate = double(rd->frs_sec) / double(rd->frs_sec_base);
if (rd->im_format.imtype != R_IMF_IMTYPE_AVIJPEG) {
format = AVI_FORMAT_AVI_RGB;
}
else {
format = AVI_FORMAT_MJPEG;
}
if (AVI_open_compress(filepath, avi, 1, format) != AVI_ERROR_NONE) {
BKE_report(reports, RPT_ERROR, "Cannot open or start AVI movie file");
return 0;
}
AVI_set_compress_option(avi, AVI_OPTION_TYPE_MAIN, 0, AVI_OPTION_WIDTH, &x);
AVI_set_compress_option(avi, AVI_OPTION_TYPE_MAIN, 0, AVI_OPTION_HEIGHT, &y);
AVI_set_compress_option(avi, AVI_OPTION_TYPE_MAIN, 0, AVI_OPTION_QUALITY, &quality);
AVI_set_compress_option(avi, AVI_OPTION_TYPE_MAIN, 0, AVI_OPTION_FRAMERATE, &framerate);
avi->interlace = 0;
avi->odd_fields = 0;
printf("Created avi: %s\n", filepath);
return 1;
}
static int append_avi(void *context_v,
RenderData * /*rd*/,
int start_frame,
int frame,
int *pixels,
int rectx,
int recty,
const char * /*suffix*/,
ReportList * /*reports*/)
{
uint *rt1, *rt2, *rectot;
int x, y;
char *cp, rt;
AviMovie *avi = static_cast<AviMovie *>(context_v);
if (avi == nullptr) {
return 0;
}
/* NOTE(@zr): that LIBAVI free's the buffer (stupid interface). */
rectot = static_cast<uint *>(MEM_mallocN(rectx * recty * sizeof(int), "rectot"));
rt1 = rectot;
rt2 = (uint *)pixels + (recty - 1) * rectx;
/* Flip Y and convert to ABGR. */
for (y = 0; y < recty; y++, rt1 += rectx, rt2 -= rectx) {
memcpy(rt1, rt2, rectx * sizeof(int));
cp = (char *)rt1;
for (x = rectx; x > 0; x--) {
rt = cp[0];
cp[0] = cp[3];
cp[3] = rt;
rt = cp[1];
cp[1] = cp[2];
cp[2] = rt;
cp += 4;
}
}
AVI_write_frame(avi, (frame - start_frame), AVI_FORMAT_RGB32, rectot, rectx * recty * 4);
// printf("added frame %3d (frame %3d in avi): ", frame, frame-start_frame);
return 1;
}
static void end_avi(void *context_v)
{
AviMovie *avi = static_cast<AviMovie *>(context_v);
if (avi == nullptr) {
return;
}
AVI_close_compress(avi);
}
static void *context_create_avi()
{
AviMovie *avi = static_cast<AviMovie *>(MEM_mallocN(sizeof(AviMovie), "avimovie"));
return avi;
}
static void context_free_avi(void *context_v)
{
AviMovie *avi = static_cast<AviMovie *>(context_v);
if (avi) {
MEM_freeN(avi);
}
}
#endif /* WITH_AVI */
void BKE_movie_filepath_get(char filepath[/*FILE_MAX*/ 1024],
const RenderData *rd,
bool preview,
const char *suffix)
{
bMovieHandle *mh = BKE_movie_handle_get(rd->im_format.imtype);
if (mh && mh->get_movie_path) {
mh->get_movie_path(filepath, rd, preview, suffix);
}
else {
filepath[0] = '\0';
}
}