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blender-archive/source/blender/imbuf/intern/indexer.c

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/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Peter Schlaile <peter [at] schlaile [dot] de> 2011
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "IMB_indexer.h"
#include "IMB_anim.h"
#include "AVI_avi.h"
#include "imbuf.h"
#include "MEM_guardedalloc.h"
#include "BLI_utildefines.h"
#include "BLI_blenlib.h"
#include "BLI_math_base.h"
#include "BLI_string.h"
#include "MEM_guardedalloc.h"
#include "DNA_userdef_types.h"
#include "BKE_global.h"
#include <stdlib.h>
#ifdef WITH_FFMPEG
#include "ffmpeg_compat.h"
#endif //WITH_FFMPEG
static char magic[] = "BlenMIdx";
static char temp_ext [] = "_part";
static int proxy_sizes[] = { IMB_PROXY_25, IMB_PROXY_50, IMB_PROXY_75,
IMB_PROXY_100 };
static float proxy_fac[] = { 0.25, 0.50, 0.75, 1.00 };
#ifdef WITH_FFMPEG
static int tc_types[] = { IMB_TC_RECORD_RUN, IMB_TC_FREE_RUN,
IMB_TC_INTERPOLATED_REC_DATE_FREE_RUN };
#endif
#define INDEX_FILE_VERSION 1
/* ----------------------------------------------------------------------
- special indexers
----------------------------------------------------------------------
*/
extern void IMB_indexer_dv_new(anim_index_builder * idx);
/* ----------------------------------------------------------------------
- time code index functions
---------------------------------------------------------------------- */
anim_index_builder * IMB_index_builder_create(const char * name)
{
anim_index_builder * rv
= MEM_callocN( sizeof(struct anim_index_builder),
"index builder");
fprintf(stderr, "Starting work on index: %s\n", name);
BLI_strncpy(rv->name, name, sizeof(rv->name));
BLI_strncpy(rv->temp_name, name, sizeof(rv->temp_name));
strcat(rv->temp_name, temp_ext);
BLI_make_existing_file(rv->temp_name);
rv->fp = fopen(rv->temp_name, "wb");
if (!rv->fp) {
fprintf(stderr, "Couldn't open index target: %s! "
"Index build broken!\n", rv->temp_name);
MEM_freeN(rv);
return NULL;
}
fprintf(rv->fp, "%s%c%.3d", magic, (ENDIAN_ORDER==B_ENDIAN)?'V':'v',
INDEX_FILE_VERSION);
return rv;
}
void IMB_index_builder_add_entry(anim_index_builder * fp,
int frameno,unsigned long long seek_pos,
unsigned long long seek_pos_dts,
unsigned long long pts)
{
fwrite(&frameno, sizeof(int), 1, fp->fp);
fwrite(&seek_pos, sizeof(unsigned long long), 1, fp->fp);
fwrite(&seek_pos_dts, sizeof(unsigned long long), 1, fp->fp);
fwrite(&pts, sizeof(unsigned long long), 1, fp->fp);
}
void IMB_index_builder_proc_frame(anim_index_builder * fp,
unsigned char * buffer,
int data_size,
int frameno, unsigned long long seek_pos,
unsigned long long seek_pos_dts,
unsigned long long pts)
{
if (fp->proc_frame) {
anim_index_entry e;
e.frameno = frameno;
e.seek_pos = seek_pos;
e.seek_pos_dts = seek_pos_dts;
e.pts = pts;
fp->proc_frame(fp, buffer, data_size, &e);
} else {
IMB_index_builder_add_entry(fp, frameno, seek_pos,
seek_pos_dts, pts);
}
}
void IMB_index_builder_finish(anim_index_builder * fp, int rollback)
{
if (fp->delete_priv_data) {
fp->delete_priv_data(fp);
}
fclose(fp->fp);
if (rollback) {
unlink(fp->temp_name);
} else {
rename(fp->temp_name, fp->name);
}
MEM_freeN(fp);
}
struct anim_index * IMB_indexer_open(const char * name)
{
char header[13];
struct anim_index * idx;
FILE * fp = fopen(name, "rb");
int i;
if (!fp) {
return NULL;
}
if (fread(header, 12, 1, fp) != 1) {
fclose(fp);
return NULL;
}
header[12] = 0;
if (memcmp(header, magic, 8) != 0) {
fclose(fp);
return NULL;
}
if (atoi(header+9) != INDEX_FILE_VERSION) {
fclose(fp);
return NULL;
}
idx = MEM_callocN( sizeof(struct anim_index), "anim_index");
BLI_strncpy(idx->name, name, sizeof(idx->name));
fseek(fp, 0, SEEK_END);
idx->num_entries = (ftell(fp) - 12)
/ (sizeof(int) // framepos
+ sizeof(unsigned long long) // seek_pos
+ sizeof(unsigned long long) // seek_pos_dts
+ sizeof(unsigned long long) // pts
);
fseek(fp, 12, SEEK_SET);
idx->entries = MEM_callocN( sizeof(struct anim_index_entry)
* idx->num_entries, "anim_index_entries");
for (i = 0; i < idx->num_entries; i++) {
fread(&idx->entries[i].frameno,
sizeof(int), 1, fp);
fread(&idx->entries[i].seek_pos,
sizeof(unsigned long long), 1, fp);
fread(&idx->entries[i].seek_pos_dts,
sizeof(unsigned long long), 1, fp);
fread(&idx->entries[i].pts,
sizeof(unsigned long long), 1, fp);
}
if (((ENDIAN_ORDER == B_ENDIAN) != (header[8] == 'V'))) {
for (i = 0; i < idx->num_entries; i++) {
SWITCH_INT(idx->entries[i].frameno);
SWITCH_INT64(idx->entries[i].seek_pos);
SWITCH_INT64(idx->entries[i].seek_pos_dts);
SWITCH_INT64(idx->entries[i].pts);
}
}
fclose(fp);
return idx;
}
unsigned long long IMB_indexer_get_seek_pos(
struct anim_index * idx, int frame_index)
{
if (frame_index < 0) {
frame_index = 0;
}
if (frame_index >= idx->num_entries) {
frame_index = idx->num_entries - 1;
}
return idx->entries[frame_index].seek_pos;
}
unsigned long long IMB_indexer_get_seek_pos_dts(
struct anim_index * idx, int frame_index)
{
if (frame_index < 0) {
frame_index = 0;
}
if (frame_index >= idx->num_entries) {
frame_index = idx->num_entries - 1;
}
return idx->entries[frame_index].seek_pos_dts;
}
int IMB_indexer_get_frame_index(struct anim_index * idx, int frameno)
{
int len = idx->num_entries;
int half;
int middle;
int first = 0;
/* bsearch (lower bound) the right index */
while (len > 0) {
half = len >> 1;
middle = first;
middle += half;
if (idx->entries[middle].frameno < frameno) {
first = middle;
++first;
len = len - half - 1;
} else {
len = half;
}
}
if (first == idx->num_entries) {
return idx->num_entries - 1;
} else {
return first;
}
}
unsigned long long IMB_indexer_get_pts(struct anim_index * idx,
int frame_index)
{
if (frame_index < 0) {
frame_index = 0;
}
if (frame_index >= idx->num_entries) {
frame_index = idx->num_entries - 1;
}
return idx->entries[frame_index].pts;
}
int IMB_indexer_get_duration(struct anim_index * idx)
{
if (idx->num_entries == 0) {
return 0;
}
return idx->entries[idx->num_entries-1].frameno + 1;
}
int IMB_indexer_can_scan(struct anim_index * idx,
int old_frame_index, int new_frame_index)
{
/* makes only sense, if it is the same I-Frame and we are not
trying to run backwards in time... */
return (IMB_indexer_get_seek_pos(idx, old_frame_index)
== IMB_indexer_get_seek_pos(idx, new_frame_index) &&
old_frame_index < new_frame_index);
}
void IMB_indexer_close(struct anim_index * idx)
{
MEM_freeN(idx->entries);
MEM_freeN(idx);
}
int IMB_proxy_size_to_array_index(IMB_Proxy_Size pr_size)
{
switch (pr_size) {
case IMB_PROXY_NONE: /* if we got here, something is broken anyways,
so sane defaults... */
return 0;
case IMB_PROXY_25:
return 0;
case IMB_PROXY_50:
return 1;
case IMB_PROXY_75:
return 2;
case IMB_PROXY_100:
return 3;
default:
return 0;
};
return 0;
}
int IMB_timecode_to_array_index(IMB_Timecode_Type tc)
{
switch (tc) {
case IMB_TC_NONE: /* if we got here, something is broken anyways,
so sane defaults... */
return 0;
case IMB_TC_RECORD_RUN:
return 0;
case IMB_TC_FREE_RUN:
return 1;
case IMB_TC_INTERPOLATED_REC_DATE_FREE_RUN:
return 2;
default:
return 0;
};
return 0;
}
/* ----------------------------------------------------------------------
- rebuild helper functions
---------------------------------------------------------------------- */
static void get_index_dir(struct anim * anim, char * index_dir)
{
if (!anim->index_dir[0]) {
char fname[FILE_MAXFILE];
BLI_strncpy(index_dir, anim->name, FILE_MAXDIR);
BLI_splitdirstring(index_dir, fname);
BLI_join_dirfile(index_dir, FILE_MAXDIR, index_dir, "BL_proxy");
BLI_join_dirfile(index_dir, FILE_MAXDIR, index_dir, fname);
} else {
BLI_strncpy(index_dir, anim->index_dir, FILE_MAXDIR);
}
}
static void get_proxy_filename(struct anim * anim, IMB_Proxy_Size preview_size,
char * fname, int temp)
{
char index_dir[FILE_MAXDIR];
int i = IMB_proxy_size_to_array_index(preview_size);
char proxy_name[256];
char proxy_temp_name[256];
char stream_suffix[20];
stream_suffix[0] = 0;
if (anim->streamindex > 0) {
BLI_snprintf(stream_suffix, 20, "_st%d", anim->streamindex);
}
BLI_snprintf(proxy_name, 256, "proxy_%d%s.avi",
(int) (proxy_fac[i] * 100), stream_suffix);
BLI_snprintf(proxy_temp_name, 256, "proxy_%d%s_part.avi",
(int) (proxy_fac[i] * 100), stream_suffix);
get_index_dir(anim, index_dir);
BLI_join_dirfile(fname, FILE_MAXFILE + FILE_MAXDIR, index_dir,
temp ? proxy_temp_name : proxy_name);
}
static void get_tc_filename(struct anim * anim, IMB_Timecode_Type tc,
char * fname)
{
char index_dir[FILE_MAXDIR];
int i = IMB_timecode_to_array_index(tc);
const char * index_names[] = {
"record_run%s.blen_tc", "free_run%s.blen_tc",
"interp_free_run%s.blen_tc" };
char stream_suffix[20];
char index_name[256];
stream_suffix[0] = 0;
if (anim->streamindex > 0) {
BLI_snprintf(stream_suffix, 20, "_st%d", anim->streamindex);
}
BLI_snprintf(index_name, 256, index_names[i], stream_suffix);
get_index_dir(anim, index_dir);
BLI_join_dirfile(fname, FILE_MAXFILE + FILE_MAXDIR,
index_dir, index_name);
}
/* ----------------------------------------------------------------------
- ffmpeg rebuilder
---------------------------------------------------------------------- */
#ifdef WITH_FFMPEG
struct proxy_output_ctx {
AVFormatContext* of;
AVStream* st;
AVCodecContext* c;
AVCodec* codec;
struct SwsContext * sws_ctx;
AVFrame* frame;
uint8_t* video_buffer;
int video_buffersize;
int cfra;
int proxy_size;
int orig_height;
struct anim * anim;
};
// work around stupid swscaler 16 bytes alignment bug...
static int round_up(int x, int mod)
{
return x + ((mod - (x % mod)) % mod);
}
static struct proxy_output_ctx * alloc_proxy_output_ffmpeg(
struct anim * anim,
AVStream * st, int proxy_size, int width, int height,
int quality)
{
struct proxy_output_ctx * rv = MEM_callocN(
sizeof(struct proxy_output_ctx), "alloc_proxy_output");
char fname[FILE_MAXDIR+FILE_MAXFILE];
// JPEG requires this
width = round_up(width, 8);
height = round_up(height, 8);
rv->proxy_size = proxy_size;
rv->anim = anim;
get_proxy_filename(rv->anim, rv->proxy_size, fname, TRUE);
BLI_make_existing_file(fname);
rv->of = avformat_alloc_context();
rv->of->oformat = av_guess_format("avi", NULL, NULL);
BLI_snprintf(rv->of->filename, sizeof(rv->of->filename), "%s", fname);
fprintf(stderr, "Starting work on proxy: %s\n", rv->of->filename);
rv->st = av_new_stream(rv->of, 0);
rv->c = rv->st->codec;
rv->c->codec_type = AVMEDIA_TYPE_VIDEO;
rv->c->codec_id = CODEC_ID_MJPEG;
rv->c->width = width;
rv->c->height = height;
rv->of->oformat->video_codec = rv->c->codec_id;
rv->codec = avcodec_find_encoder(rv->c->codec_id);
if (!rv->codec) {
fprintf(stderr, "No ffmpeg MJPEG encoder available? "
"Proxy not built!\n");
av_free(rv->of);
return NULL;
}
if (rv->codec->pix_fmts) {
rv->c->pix_fmt = rv->codec->pix_fmts[0];
} else {
rv->c->pix_fmt = PIX_FMT_YUVJ420P;
}
rv->c->sample_aspect_ratio
= rv->st->sample_aspect_ratio
= st->codec->sample_aspect_ratio;
rv->c->time_base.den = 25;
rv->c->time_base.num = 1;
rv->st->time_base = rv->c->time_base;
if (rv->of->flags & AVFMT_GLOBALHEADER) {
rv->c->flags |= CODEC_FLAG_GLOBAL_HEADER;
}
if (av_set_parameters(rv->of, NULL) < 0) {
fprintf(stderr, "Couldn't set output parameters? "
"Proxy not built!\n");
av_free(rv->of);
return 0;
}
if (avio_open(&rv->of->pb, fname, AVIO_FLAG_WRITE) < 0) {
fprintf(stderr, "Couldn't open outputfile! "
"Proxy not built!\n");
av_free(rv->of);
return 0;
}
avcodec_open(rv->c, rv->codec);
rv->video_buffersize = 2000000;
rv->video_buffer = (uint8_t*)MEM_mallocN(
rv->video_buffersize, "FFMPEG video buffer");
rv->orig_height = st->codec->height;
if (st->codec->width != width || st->codec->height != height
|| st->codec->pix_fmt != rv->c->pix_fmt) {
rv->frame = avcodec_alloc_frame();
avpicture_fill((AVPicture*) rv->frame,
MEM_mallocN(avpicture_get_size(
rv->c->pix_fmt,
round_up(width, 16), height),
"alloc proxy output frame"),
rv->c->pix_fmt, round_up(width, 16), height);
rv->sws_ctx = sws_getContext(
st->codec->width,
st->codec->height,
st->codec->pix_fmt,
width, height,
rv->c->pix_fmt,
SWS_FAST_BILINEAR | SWS_PRINT_INFO,
NULL, NULL, NULL);
}
av_write_header(rv->of);
return rv;
}
static int add_to_proxy_output_ffmpeg(
struct proxy_output_ctx * ctx, AVFrame * frame)
{
int outsize = 0;
if (!ctx) {
return 0;
}
if (ctx->sws_ctx && frame &&
(frame->data[0] || frame->data[1] ||
frame->data[2] || frame->data[3])) {
sws_scale(ctx->sws_ctx, (const uint8_t * const*) frame->data,
frame->linesize, 0, ctx->orig_height,
ctx->frame->data, ctx->frame->linesize);
}
frame = ctx->sws_ctx ? (frame ? ctx->frame : 0) : frame;
if (frame) {
frame->pts = ctx->cfra++;
}
outsize = avcodec_encode_video(
ctx->c, ctx->video_buffer, ctx->video_buffersize,
frame);
if (outsize < 0) {
fprintf(stderr, "Error encoding proxy frame %d for '%s'\n",
ctx->cfra - 1, ctx->of->filename);
return 0;
}
if (outsize != 0) {
AVPacket packet;
av_init_packet(&packet);
if (ctx->c->coded_frame->pts != AV_NOPTS_VALUE) {
packet.pts = av_rescale_q(ctx->c->coded_frame->pts,
ctx->c->time_base,
ctx->st->time_base);
}
if (ctx->c->coded_frame->key_frame)
packet.flags |= AV_PKT_FLAG_KEY;
packet.stream_index = ctx->st->index;
packet.data = ctx->video_buffer;
packet.size = outsize;
if (av_interleaved_write_frame(ctx->of, &packet) != 0) {
fprintf(stderr, "Error writing proxy frame %d "
"into '%s'\n", ctx->cfra - 1,
ctx->of->filename);
return 0;
}
return 1;
} else {
return 0;
}
}
static void free_proxy_output_ffmpeg(struct proxy_output_ctx * ctx,
int rollback)
{
int i;
char fname[FILE_MAXDIR+FILE_MAXFILE];
char fname_tmp[FILE_MAXDIR+FILE_MAXFILE];
if (!ctx) {
return;
}
if (!rollback) {
while (add_to_proxy_output_ffmpeg(ctx, NULL)) ;
}
avcodec_flush_buffers(ctx->c);
av_write_trailer(ctx->of);
avcodec_close(ctx->c);
for (i = 0; i < ctx->of->nb_streams; i++) {
if (&ctx->of->streams[i]) {
av_freep(&ctx->of->streams[i]);
}
}
if (ctx->of->oformat) {
if (!(ctx->of->oformat->flags & AVFMT_NOFILE)) {
avio_close(ctx->of->pb);
}
}
av_free(ctx->of);
MEM_freeN(ctx->video_buffer);
if (ctx->sws_ctx) {
sws_freeContext(ctx->sws_ctx);
MEM_freeN(ctx->frame->data[0]);
av_free(ctx->frame);
}
get_proxy_filename(ctx->anim, ctx->proxy_size,
fname_tmp, TRUE);
if (rollback) {
unlink(fname_tmp);
} else {
get_proxy_filename(ctx->anim, ctx->proxy_size,
fname, FALSE);
rename(fname_tmp, fname);
}
MEM_freeN(ctx);
}
static int index_rebuild_ffmpeg(struct anim * anim,
IMB_Timecode_Type tcs_in_use,
IMB_Proxy_Size proxy_sizes_in_use,
int quality,
short *stop, short *do_update,
float *progress)
{
int i, videoStream;
unsigned long long seek_pos = 0;
unsigned long long last_seek_pos = 0;
unsigned long long seek_pos_dts = 0;
unsigned long long seek_pos_pts = 0;
unsigned long long last_seek_pos_dts = 0;
unsigned long long start_pts = 0;
double frame_rate;
double pts_time_base;
int frameno = 0;
int start_pts_set = FALSE;
AVFormatContext *iFormatCtx;
AVCodecContext *iCodecCtx;
AVCodec *iCodec;
AVStream *iStream;
AVFrame* in_frame = 0;
AVPacket next_packet;
int streamcount;
struct proxy_output_ctx * proxy_ctx[IMB_PROXY_MAX_SLOT];
anim_index_builder * indexer [IMB_TC_MAX_SLOT];
int num_proxy_sizes = IMB_PROXY_MAX_SLOT;
int num_indexers = IMB_TC_MAX_SLOT;
uint64_t stream_size;
memset(proxy_ctx, 0, sizeof(proxy_ctx));
memset(indexer, 0, sizeof(indexer));
if(av_open_input_file(&iFormatCtx, anim->name, NULL, 0, NULL) != 0) {
return 0;
}
if (av_find_stream_info(iFormatCtx) < 0) {
av_close_input_file(iFormatCtx);
return 0;
}
streamcount = anim->streamindex;
/* Find the video stream */
videoStream = -1;
for (i = 0; i < iFormatCtx->nb_streams; i++)
if(iFormatCtx->streams[i]->codec->codec_type
== AVMEDIA_TYPE_VIDEO) {
if (streamcount > 0) {
streamcount--;
continue;
}
videoStream = i;
break;
}
if (videoStream == -1) {
av_close_input_file(iFormatCtx);
return 0;
}
iStream = iFormatCtx->streams[videoStream];
iCodecCtx = iStream->codec;
iCodec = avcodec_find_decoder(iCodecCtx->codec_id);
if (iCodec == NULL) {
av_close_input_file(iFormatCtx);
return 0;
}
iCodecCtx->workaround_bugs = 1;
if (avcodec_open(iCodecCtx, iCodec) < 0) {
av_close_input_file(iFormatCtx);
return 0;
}
in_frame = avcodec_alloc_frame();
stream_size = avio_size(iFormatCtx->pb);
for (i = 0; i < num_proxy_sizes; i++) {
if (proxy_sizes_in_use & proxy_sizes[i]) {
proxy_ctx[i] = alloc_proxy_output_ffmpeg(
anim, iStream, proxy_sizes[i],
iCodecCtx->width * proxy_fac[i],
iCodecCtx->height * proxy_fac[i],
quality);
if (!proxy_ctx[i]) {
proxy_sizes_in_use &= ~proxy_sizes[i];
}
}
}
for (i = 0; i < num_indexers; i++) {
if (tcs_in_use & tc_types[i]) {
char fname[FILE_MAXDIR+FILE_MAXFILE];
get_tc_filename(anim, tc_types[i], fname);
indexer[i] = IMB_index_builder_create(fname);
if (!indexer[i]) {
tcs_in_use &= ~tc_types[i];
}
}
}
frame_rate = av_q2d(iStream->r_frame_rate);
pts_time_base = av_q2d(iStream->time_base);
while(av_read_frame(iFormatCtx, &next_packet) >= 0) {
int frame_finished = 0;
float next_progress = (float)((int)floor(((double) next_packet.pos) * 100 /
((double) stream_size)+0.5)) / 100;
if (*progress != next_progress) {
*progress = next_progress;
*do_update = 1;
}
if (*stop) {
av_free_packet(&next_packet);
break;
}
if (next_packet.stream_index == videoStream) {
if (next_packet.flags & AV_PKT_FLAG_KEY) {
last_seek_pos = seek_pos;
last_seek_pos_dts = seek_pos_dts;
seek_pos = next_packet.pos;
seek_pos_dts = next_packet.dts;
seek_pos_pts = next_packet.pts;
}
avcodec_decode_video2(
iCodecCtx, in_frame, &frame_finished,
&next_packet);
}
if (frame_finished) {
unsigned long long s_pos = seek_pos;
unsigned long long s_dts = seek_pos_dts;
unsigned long long pts
= av_get_pts_from_frame(iFormatCtx, in_frame);
for (i = 0; i < num_proxy_sizes; i++) {
add_to_proxy_output_ffmpeg(
proxy_ctx[i], in_frame);
}
if (!start_pts_set) {
start_pts = pts;
start_pts_set = TRUE;
}
frameno = floor((pts - start_pts)
* pts_time_base * frame_rate + 0.5f);
/* decoding starts *always* on I-Frames,
so: P-Frames won't work, even if all the
information is in place, when we seek
to the I-Frame presented *after* the P-Frame,
but located before the P-Frame within
the stream */
if (pts < seek_pos_pts) {
s_pos = last_seek_pos;
s_dts = last_seek_pos_dts;
}
for (i = 0; i < num_indexers; i++) {
if (tcs_in_use & tc_types[i]) {
IMB_index_builder_proc_frame(
indexer[i],
next_packet.data,
next_packet.size,
frameno, s_pos, s_dts, pts);
}
}
}
av_free_packet(&next_packet);
}
for (i = 0; i < num_indexers; i++) {
if (tcs_in_use & tc_types[i]) {
IMB_index_builder_finish(indexer[i], *stop);
}
}
for (i = 0; i < num_proxy_sizes; i++) {
if (proxy_sizes_in_use & proxy_sizes[i]) {
free_proxy_output_ffmpeg(proxy_ctx[i], *stop);
}
}
av_free(in_frame);
return 1;
}
#endif
/* ----------------------------------------------------------------------
- internal AVI (fallback) rebuilder
---------------------------------------------------------------------- */
static AviMovie * alloc_proxy_output_avi(
struct anim * anim, char * filename, int width, int height,
int quality)
{
int x, y;
AviFormat format;
double framerate;
AviMovie * avi;
short frs_sec = 25; /* it doesn't really matter for proxies,
but sane defaults help anyways...*/
float frs_sec_base = 1.0;
IMB_anim_get_fps(anim, &frs_sec, &frs_sec_base);
x = width;
y = height;
framerate= (double) frs_sec / (double) frs_sec_base;
avi = MEM_mallocN (sizeof(AviMovie), "avimovie");
format = AVI_FORMAT_MJPEG;
if (AVI_open_compress (filename, avi, 1, format) != AVI_ERROR_NONE) {
MEM_freeN(avi);
return NULL;
}
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;
return avi;
}
static void index_rebuild_fallback(struct anim * anim,
IMB_Timecode_Type UNUSED(tcs_in_use),
IMB_Proxy_Size proxy_sizes_in_use,
int quality,
short *stop, short *do_update,
float *progress)
{
int cnt = IMB_anim_get_duration(anim, IMB_TC_NONE);
int i, pos;
AviMovie * proxy_ctx[IMB_PROXY_MAX_SLOT];
char fname[FILE_MAXDIR+FILE_MAXFILE];
char fname_tmp[FILE_MAXDIR+FILE_MAXFILE];
memset(proxy_ctx, 0, sizeof(proxy_ctx));
/* since timecode indices only work with ffmpeg right now,
don't know a sensible fallback here...
so no proxies, no game to play...
*/
if (proxy_sizes_in_use == IMB_PROXY_NONE) {
return;
}
for (i = 0; i < IMB_PROXY_MAX_SLOT; i++) {
if (proxy_sizes_in_use & proxy_sizes[i]) {
char fname[FILE_MAXDIR+FILE_MAXFILE];
get_proxy_filename(anim, proxy_sizes[i], fname, TRUE);
BLI_make_existing_file(fname);
proxy_ctx[i] = alloc_proxy_output_avi(
anim, fname,
anim->x * proxy_fac[i],
anim->y * proxy_fac[i],
quality);
}
}
for (pos = 0; pos < cnt; pos++) {
struct ImBuf * ibuf = IMB_anim_absolute(
anim, pos, IMB_TC_NONE, IMB_PROXY_NONE);
int next_progress = (int) ((double) pos / (double) cnt);
if (*progress != next_progress) {
*progress = next_progress;
*do_update = 1;
}
if (*stop) {
break;
}
IMB_flipy(ibuf);
for (i = 0; i < IMB_PROXY_MAX_SLOT; i++) {
if (proxy_sizes_in_use & proxy_sizes[i]) {
int x = anim->x * proxy_fac[i];
int y = anim->y * proxy_fac[i];
struct ImBuf * s_ibuf = IMB_scalefastImBuf(
ibuf, x, y);
IMB_convert_rgba_to_abgr(s_ibuf);
AVI_write_frame (proxy_ctx[i], pos,
AVI_FORMAT_RGB32,
s_ibuf->rect, x * y * 4);
/* note that libavi free's the buffer... */
s_ibuf->rect = NULL;
IMB_freeImBuf(s_ibuf);
}
}
}
for (i = 0; i < IMB_PROXY_MAX_SLOT; i++) {
if (proxy_sizes_in_use & proxy_sizes[i]) {
AVI_close_compress (proxy_ctx[i]);
MEM_freeN (proxy_ctx[i]);
get_proxy_filename(anim, proxy_sizes[i],
fname_tmp, TRUE);
get_proxy_filename(anim, proxy_sizes[i],
fname, FALSE);
if (*stop) {
unlink(fname_tmp);
} else {
rename(fname_tmp, fname);
}
}
}
}
/* ----------------------------------------------------------------------
- public API
---------------------------------------------------------------------- */
void IMB_anim_index_rebuild(struct anim * anim, IMB_Timecode_Type tcs_in_use,
IMB_Proxy_Size proxy_sizes_in_use,
int quality,
short *stop, short *do_update, float *progress)
{
switch (anim->curtype) {
#ifdef WITH_FFMPEG
case ANIM_FFMPEG:
index_rebuild_ffmpeg(anim, tcs_in_use, proxy_sizes_in_use,
quality, stop, do_update, progress);
break;
#endif
default:
index_rebuild_fallback(anim, tcs_in_use, proxy_sizes_in_use,
quality, stop, do_update, progress);
break;
}
}
void IMB_free_indices(struct anim * anim)
{
int i;
for (i = 0; i < IMB_PROXY_MAX_SLOT; i++) {
if (anim->proxy_anim[i]) {
IMB_close_anim(anim->proxy_anim[i]);
anim->proxy_anim[i] = NULL;
}
}
for (i = 0; i < IMB_TC_MAX_SLOT; i++) {
if (anim->curr_idx[i]) {
IMB_indexer_close(anim->curr_idx[i]);
anim->curr_idx[i] = NULL;
}
}
anim->proxies_tried = 0;
anim->indices_tried = 0;
}
void IMB_anim_set_index_dir(struct anim * anim, const char * dir)
{
if (strcmp(anim->index_dir, dir) == 0) {
return;
}
BLI_strncpy(anim->index_dir, dir, sizeof(anim->index_dir));
IMB_free_indices(anim);
}
struct anim * IMB_anim_open_proxy(
struct anim * anim, IMB_Proxy_Size preview_size)
{
char fname[FILE_MAXDIR+FILE_MAXFILE];
int i = IMB_proxy_size_to_array_index(preview_size);
if (anim->proxy_anim[i]) {
return anim->proxy_anim[i];
}
if (anim->proxies_tried & preview_size) {
return NULL;
}
get_proxy_filename(anim, preview_size, fname, FALSE);
anim->proxy_anim[i] = IMB_open_anim(fname, 0, 0);
anim->proxies_tried |= preview_size;
return anim->proxy_anim[i];
}
struct anim_index * IMB_anim_open_index(
struct anim * anim, IMB_Timecode_Type tc)
{
char fname[FILE_MAXDIR+FILE_MAXFILE];
int i = IMB_timecode_to_array_index(tc);
if (anim->curr_idx[i]) {
return anim->curr_idx[i];
}
if (anim->indices_tried & tc) {
return NULL;
}
get_tc_filename(anim, tc, fname);
anim->curr_idx[i] = IMB_indexer_open(fname);
anim->indices_tried |= tc;
return anim->curr_idx[i];
}
int IMB_anim_index_get_frame_index(struct anim * anim, IMB_Timecode_Type tc,
int position)
{
struct anim_index * idx = IMB_anim_open_index(anim, tc);
if (!idx) {
return position;
}
return IMB_indexer_get_frame_index(idx, position);
}
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