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d8d5bb6b9a7525c0ce935c5b76a901b11e48cfaf
blender-archive/source/blender/imbuf/intern/anim_movie.c
Campbell Barton e10fd04db0 use BLI_strncpy and BLI_snprintf when the size of the string is known. 
fix for sequencer unique naming which was missed with string length update.
2012-01-11 12:33:51 +00:00

1335 lines
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/*
* ***** 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/imbuf/intern/anim_movie.c
* \ingroup imbuf
*/
#ifdef _WIN32
#define INC_OLE2
#include <windows.h>
#include <windowsx.h>
#include <mmsystem.h>
#include <memory.h>
#include <commdlg.h>
#ifndef FREE_WINDOWS
#include <vfw.h>
#endif
#undef AVIIF_KEYFRAME // redefined in AVI_avi.h
#undef AVIIF_LIST // redefined in AVI_avi.h
#define FIXCC(fcc) if (fcc == 0) fcc = mmioFOURCC('N', 'o', 'n', 'e'); \
if (fcc == BI_RLE8) fcc = mmioFOURCC('R', 'l', 'e', '8');
#endif
#include <sys/types.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#ifndef _WIN32
#include <dirent.h>
#else
#include <io.h>
#endif
#include "BLI_blenlib.h" /* BLI_remlink BLI_filesize BLI_addtail
BLI_countlist BLI_stringdec */
#include "BLI_utildefines.h"
#include "BLI_math_base.h"
#include "MEM_guardedalloc.h"
#include "DNA_userdef_types.h"
#include "BKE_global.h"
#include "BKE_depsgraph.h"
#include "imbuf.h"
#include "AVI_avi.h"
#ifdef WITH_QUICKTIME
#if defined(_WIN32) || defined(__APPLE__)
#include "quicktime_import.h"
#endif /* _WIN32 || __APPLE__ */
#endif /* WITH_QUICKTIME */
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_allocimbuf.h"
#include "IMB_anim.h"
#include "IMB_indexer.h"
#ifdef WITH_FFMPEG
#include <libavformat/avformat.h>
#include <libavcodec/avcodec.h>
#include <libavutil/rational.h>
#include <libswscale/swscale.h>
#include "ffmpeg_compat.h"
#endif //WITH_FFMPEG
#ifdef WITH_REDCODE
#ifdef _WIN32 /* on windows we use the ones in extern instead */
#include "libredcode/format.h"
#include "libredcode/codec.h"
#else
#include "libredcode/format.h"
#include "libredcode/codec.h"
#endif
#endif
int ismovie(const char *UNUSED(filepath))
{
return 0;
}
/* never called, just keep the linker happy */
static int startmovie(struct anim *UNUSED(anim)) { return 1; }
static ImBuf * movie_fetchibuf(struct anim *UNUSED(anim), int UNUSED(position)) { return NULL; }
static void free_anim_movie(struct anim *UNUSED(anim)) { ; }
#if defined(_WIN32)
# define PATHSEPERATOR '\\'
#else
# define PATHSEPERATOR '/'
#endif
static int an_stringdec(const char *string, char* head, char *tail, unsigned short *numlen)
{
unsigned short len,nume,nums=0;
short i,found=FALSE;
len=strlen(string);
nume = len;
for(i=len-1;i>=0;i--){
if (string[i]==PATHSEPERATOR) break;
if (isdigit(string[i])) {
if (found){
nums=i;
} else{
nume=i;
nums=i;
found=TRUE;
}
} else{
if (found) break;
}
}
if (found){
strcpy(tail ,&string[nume+1]);
strcpy(head, string);
head[nums]= '\0';
*numlen=nume-nums+1;
return ((int)atoi(&(string[nums])));
}
tail[0]= '\0';
strcpy(head, string);
*numlen=0;
return TRUE;
}
static void an_stringenc(char *string, const char *head, const char *tail, unsigned short numlen, int pic)
{
BLI_stringenc(string, head, tail, numlen, pic);
}
static void free_anim_avi (struct anim *anim)
{
#if defined(_WIN32) && !defined(FREE_WINDOWS)
int i;
#endif
if (anim == NULL) return;
if (anim->avi == NULL) return;
AVI_close (anim->avi);
MEM_freeN (anim->avi);
anim->avi = NULL;
#if defined(_WIN32) && !defined(FREE_WINDOWS)
if (anim->pgf) {
AVIStreamGetFrameClose(anim->pgf);
anim->pgf = NULL;
}
for (i = 0; i < anim->avistreams; i++){
AVIStreamRelease(anim->pavi[i]);
}
anim->avistreams = 0;
if (anim->pfileopen) {
AVIFileRelease(anim->pfile);
anim->pfileopen = 0;
AVIFileExit();
}
#endif
anim->duration = 0;
}
#ifdef WITH_FFMPEG
static void free_anim_ffmpeg(struct anim * anim);
#endif
#ifdef WITH_REDCODE
static void free_anim_redcode(struct anim * anim);
#endif
void IMB_free_anim(struct anim * anim)
{
if (anim == NULL) {
printf("free anim, anim == NULL\n");
return;
}
free_anim_movie(anim);
free_anim_avi(anim);
#ifdef WITH_QUICKTIME
free_anim_quicktime(anim);
#endif
#ifdef WITH_FFMPEG
free_anim_ffmpeg(anim);
#endif
#ifdef WITH_REDCODE
free_anim_redcode(anim);
#endif
IMB_free_indices(anim);
MEM_freeN(anim);
}
void IMB_close_anim(struct anim * anim)
{
if (anim == NULL) return;
IMB_free_anim(anim);
}
struct anim * IMB_open_anim( const char * name, int ib_flags, int streamindex)
{
struct anim * anim;
anim = (struct anim*)MEM_callocN(sizeof(struct anim), "anim struct");
if (anim != NULL) {
BLI_strncpy(anim->name, name, sizeof(anim->name));
anim->ib_flags = ib_flags;
anim->streamindex = streamindex;
}
return(anim);
}
static int startavi (struct anim *anim)
{
AviError avierror;
#if defined(_WIN32) && !defined(FREE_WINDOWS)
HRESULT hr;
int i, firstvideo = -1;
int streamcount;
BYTE abFormat[1024];
LONG l;
LPBITMAPINFOHEADER lpbi;
AVISTREAMINFO avis;
streamcount = anim->streamindex;
#endif
anim->avi = MEM_callocN (sizeof(AviMovie),"animavi");
if (anim->avi == NULL) {
printf("Can't open avi: %s\n", anim->name);
return -1;
}
avierror = AVI_open_movie (anim->name, anim->avi);
#if defined(_WIN32) && !defined(FREE_WINDOWS)
if (avierror == AVI_ERROR_COMPRESSION) {
AVIFileInit();
hr = AVIFileOpen(&anim->pfile, anim->name, OF_READ, 0L);
if (hr == 0) {
anim->pfileopen = 1;
for (i = 0; i < MAXNUMSTREAMS; i++) {
if (AVIFileGetStream(anim->pfile, &anim->pavi[i], 0L, i) != AVIERR_OK) {
break;
}
AVIStreamInfo(anim->pavi[i], &avis, sizeof(avis));
if ((avis.fccType == streamtypeVIDEO) && (firstvideo == -1)) {
if (streamcount > 0) {
streamcount--;
continue;
}
anim->pgf = AVIStreamGetFrameOpen(anim->pavi[i], NULL);
if (anim->pgf) {
firstvideo = i;
// get stream length
anim->avi->header->TotalFrames = AVIStreamLength(anim->pavi[i]);
// get information about images inside the stream
l = sizeof(abFormat);
AVIStreamReadFormat(anim->pavi[i], 0, &abFormat, &l);
lpbi = (LPBITMAPINFOHEADER)abFormat;
anim->avi->header->Height = lpbi->biHeight;
anim->avi->header->Width = lpbi->biWidth;
} else {
FIXCC(avis.fccHandler);
FIXCC(avis.fccType);
printf("Can't find AVI decoder for type : %4.4hs/%4.4hs\n",
(LPSTR)&avis.fccType,
(LPSTR)&avis.fccHandler);
}
}
}
// register number of opened avistreams
anim->avistreams = i;
//
// Couldn't get any video streams out of this file
//
if ((anim->avistreams == 0) || (firstvideo == -1)) {
avierror = AVI_ERROR_FORMAT;
} else {
avierror = AVI_ERROR_NONE;
anim->firstvideo = firstvideo;
}
} else {
AVIFileExit();
}
}
#endif
if (avierror != AVI_ERROR_NONE) {
AVI_print_error(avierror);
printf ("Error loading avi: %s\n", anim->name);
free_anim_avi(anim);
return -1;
}
anim->duration = anim->avi->header->TotalFrames;
anim->params = NULL;
anim->x = anim->avi->header->Width;
anim->y = anim->avi->header->Height;
anim->interlacing = 0;
anim->orientation = 0;
anim->framesize = anim->x * anim->y * 4;
anim->curposition = 0;
anim->preseek = 0;
/* printf("x:%d y:%d size:%d interl:%d dur:%d\n", anim->x, anim->y, anim->framesize, anim->interlacing, anim->duration);*/
return 0;
}
static ImBuf * avi_fetchibuf (struct anim *anim, int position)
{
ImBuf *ibuf = NULL;
int *tmp;
int y;
if (anim == NULL) return (NULL);
#if defined(_WIN32) && !defined(FREE_WINDOWS)
if (anim->avistreams) {
LPBITMAPINFOHEADER lpbi;
if (anim->pgf) {
lpbi = AVIStreamGetFrame(anim->pgf, position + AVIStreamStart(anim->pavi[anim->firstvideo]));
if (lpbi) {
ibuf = IMB_ibImageFromMemory((unsigned char *) lpbi, 100, IB_rect, "<avi_fetchibuf>");
//Oh brother...
}
}
} else {
#else
if (1) {
#endif
ibuf = IMB_allocImBuf (anim->x, anim->y, 24, IB_rect);
tmp = AVI_read_frame (anim->avi, AVI_FORMAT_RGB32, position,
AVI_get_stream(anim->avi, AVIST_VIDEO, 0));
if (tmp == NULL) {
printf ("Error reading frame from AVI");
IMB_freeImBuf (ibuf);
return NULL;
}
for (y=0; y < anim->y; y++) {
memcpy (&(ibuf->rect)[((anim->y-y)-1)*anim->x], &tmp[y*anim->x],
anim->x * 4);
}
MEM_freeN (tmp);
}
ibuf->profile = IB_PROFILE_SRGB;
return ibuf;
}
#ifdef WITH_FFMPEG
extern void do_init_ffmpeg(void);
static int startffmpeg(struct anim * anim)
{
int i, videoStream;
AVCodec *pCodec;
AVFormatContext *pFormatCtx;
AVCodecContext *pCodecCtx;
int frs_num;
double frs_den;
int streamcount;
#ifdef FFMPEG_SWSCALE_COLOR_SPACE_SUPPORT
/* The following for color space determination */
int srcRange, dstRange, brightness, contrast, saturation;
int *table;
const int *inv_table;
#endif
if (anim == 0) return(-1);
streamcount = anim->streamindex;
do_init_ffmpeg();
if(av_open_input_file(&pFormatCtx, anim->name, NULL, 0, NULL)!=0) {
return -1;
}
if(av_find_stream_info(pFormatCtx)<0) {
av_close_input_file(pFormatCtx);
return -1;
}
av_dump_format(pFormatCtx, 0, anim->name, 0);
/* Find the video stream */
videoStream = -1;
for(i = 0; i < pFormatCtx->nb_streams; i++)
if (pFormatCtx->streams[i]->codec->codec_type
== AVMEDIA_TYPE_VIDEO) {
if (streamcount > 0) {
streamcount--;
continue;
}
videoStream = i;
break;
}
if(videoStream==-1) {
av_close_input_file(pFormatCtx);
return -1;
}
pCodecCtx = pFormatCtx->streams[videoStream]->codec;
/* Find the decoder for the video stream */
pCodec = avcodec_find_decoder(pCodecCtx->codec_id);
if(pCodec == NULL) {
av_close_input_file(pFormatCtx);
return -1;
}
pCodecCtx->workaround_bugs = 1;
if(avcodec_open(pCodecCtx, pCodec) < 0) {
av_close_input_file(pFormatCtx);
return -1;
}
anim->duration = ceil(pFormatCtx->duration
* av_q2d(pFormatCtx->streams[videoStream]->r_frame_rate)
/ AV_TIME_BASE);
frs_num = pFormatCtx->streams[videoStream]->r_frame_rate.num;
frs_den = pFormatCtx->streams[videoStream]->r_frame_rate.den;
frs_den *= AV_TIME_BASE;
while (frs_num % 10 == 0 && frs_den >= 2.0 && frs_num > 10) {
frs_num /= 10;
frs_den /= 10;
}
anim->frs_sec = frs_num;
anim->frs_sec_base = frs_den;
anim->params = 0;
anim->x = pCodecCtx->width;
anim->y = pCodecCtx->height;
anim->interlacing = 0;
anim->orientation = 0;
anim->framesize = anim->x * anim->y * 4;
anim->curposition = -1;
anim->last_frame = 0;
anim->last_pts = -1;
anim->next_pts = -1;
anim->next_packet.stream_index = -1;
anim->pFormatCtx = pFormatCtx;
anim->pCodecCtx = pCodecCtx;
anim->pCodec = pCodec;
anim->videoStream = videoStream;
anim->pFrame = avcodec_alloc_frame();
anim->pFrameComplete = FALSE;
anim->pFrameDeinterlaced = avcodec_alloc_frame();
anim->pFrameRGB = avcodec_alloc_frame();
if (avpicture_get_size(PIX_FMT_RGBA, anim->x, anim->y)
!= anim->x * anim->y * 4) {
fprintf (stderr,
"ffmpeg has changed alloc scheme ... ARGHHH!\n");
avcodec_close(anim->pCodecCtx);
av_close_input_file(anim->pFormatCtx);
av_free(anim->pFrameRGB);
av_free(anim->pFrameDeinterlaced);
av_free(anim->pFrame);
anim->pCodecCtx = NULL;
return -1;
}
if (anim->ib_flags & IB_animdeinterlace) {
avpicture_fill((AVPicture*) anim->pFrameDeinterlaced,
MEM_callocN(avpicture_get_size(
anim->pCodecCtx->pix_fmt,
anim->x, anim->y),
"ffmpeg deinterlace"),
anim->pCodecCtx->pix_fmt, anim->x, anim->y);
}
if (pCodecCtx->has_b_frames) {
anim->preseek = 25; /* FIXME: detect gopsize ... */
} else {
anim->preseek = 0;
}
anim->img_convert_ctx = sws_getContext(
anim->pCodecCtx->width,
anim->pCodecCtx->height,
anim->pCodecCtx->pix_fmt,
anim->pCodecCtx->width,
anim->pCodecCtx->height,
PIX_FMT_RGBA,
SWS_FAST_BILINEAR | SWS_PRINT_INFO,
NULL, NULL, NULL);
if (!anim->img_convert_ctx) {
fprintf (stderr,
"Can't transform color space??? Bailing out...\n");
avcodec_close(anim->pCodecCtx);
av_close_input_file(anim->pFormatCtx);
av_free(anim->pFrameRGB);
av_free(anim->pFrameDeinterlaced);
av_free(anim->pFrame);
anim->pCodecCtx = NULL;
return -1;
}
#ifdef FFMPEG_SWSCALE_COLOR_SPACE_SUPPORT
/* Try do detect if input has 0-255 YCbCR range (JFIF Jpeg MotionJpeg) */
if (!sws_getColorspaceDetails(anim->img_convert_ctx, (int**)&inv_table, &srcRange,
&table, &dstRange, &brightness, &contrast, &saturation)) {
srcRange = srcRange || anim->pCodecCtx->color_range == AVCOL_RANGE_JPEG;
inv_table = sws_getCoefficients(anim->pCodecCtx->colorspace);
if(sws_setColorspaceDetails(anim->img_convert_ctx, (int *)inv_table, srcRange,
table, dstRange, brightness, contrast, saturation)) {
printf("Warning: Could not set libswscale colorspace details.\n");
}
}
else {
printf("Warning: Could not set libswscale colorspace details.\n");
}
#endif
return (0);
}
/* postprocess the image in anim->pFrame and do color conversion
and deinterlacing stuff.
Output is anim->last_frame
*/
static void ffmpeg_postprocess(struct anim * anim)
{
AVFrame * input = anim->pFrame;
ImBuf * ibuf = anim->last_frame;
int filter_y = 0;
ibuf->profile = IB_PROFILE_SRGB;
if (!anim->pFrameComplete) {
return;
}
/* This means the data wasnt read properly,
this check stops crashing */
if (input->data[0]==0 && input->data[1]==0
&& input->data[2]==0 && input->data[3]==0){
fprintf(stderr, "ffmpeg_fetchibuf: "
"data not read properly...\n");
return;
}
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
" POSTPROC: anim->pFrame planes: %p %p %p %p\n",
input->data[0], input->data[1], input->data[2],
input->data[3]);
if (anim->ib_flags & IB_animdeinterlace) {
if (avpicture_deinterlace(
(AVPicture*)
anim->pFrameDeinterlaced,
(const AVPicture*)
anim->pFrame,
anim->pCodecCtx->pix_fmt,
anim->pCodecCtx->width,
anim->pCodecCtx->height)
< 0) {
filter_y = TRUE;
} else {
input = anim->pFrameDeinterlaced;
}
}
avpicture_fill((AVPicture*) anim->pFrameRGB,
(unsigned char*) ibuf->rect,
PIX_FMT_RGBA, anim->x, anim->y);
if (ENDIAN_ORDER == B_ENDIAN) {
int * dstStride = anim->pFrameRGB->linesize;
uint8_t** dst = anim->pFrameRGB->data;
int dstStride2[4] = { dstStride[0], 0, 0, 0 };
uint8_t* dst2[4] = { dst[0], 0, 0, 0 };
int x,y,h,w;
unsigned char* bottom;
unsigned char* top;
sws_scale(anim->img_convert_ctx,
(const uint8_t * const *)input->data,
input->linesize,
0,
anim->pCodecCtx->height,
dst2,
dstStride2);
bottom = (unsigned char*) ibuf->rect;
top = bottom + ibuf->x * (ibuf->y-1) * 4;
h = (ibuf->y + 1) / 2;
w = ibuf->x;
for (y = 0; y < h; y++) {
unsigned char tmp[4];
unsigned int * tmp_l =
(unsigned int*) tmp;
for (x = 0; x < w; x++) {
tmp[0] = bottom[0];
tmp[1] = bottom[1];
tmp[2] = bottom[2];
tmp[3] = bottom[3];
bottom[0] = top[0];
bottom[1] = top[1];
bottom[2] = top[2];
bottom[3] = top[3];
*(unsigned int*) top = *tmp_l;
bottom +=4;
top += 4;
}
top -= 8 * w;
}
} else {
int * dstStride = anim->pFrameRGB->linesize;
uint8_t** dst = anim->pFrameRGB->data;
int dstStride2[4] = { -dstStride[0], 0, 0, 0 };
uint8_t* dst2[4] = { dst[0] + (anim->y - 1)*dstStride[0],
0, 0, 0 };
sws_scale(anim->img_convert_ctx,
(const uint8_t * const *)input->data,
input->linesize,
0,
anim->pCodecCtx->height,
dst2,
dstStride2);
}
if (filter_y) {
IMB_filtery(ibuf);
}
}
/* decode one video frame also considering the packet read into next_packet */
static int ffmpeg_decode_video_frame(struct anim * anim)
{
int rval = 0;
av_log(anim->pFormatCtx, AV_LOG_DEBUG, " DECODE VIDEO FRAME\n");
if (anim->next_packet.stream_index == anim->videoStream) {
av_free_packet(&anim->next_packet);
anim->next_packet.stream_index = -1;
}
while((rval = av_read_frame(anim->pFormatCtx, &anim->next_packet)) >= 0) {
av_log(anim->pFormatCtx,
AV_LOG_DEBUG,
"%sREAD: strID=%d (VID: %d) dts=%lld pts=%lld "
"%s\n",
(anim->next_packet.stream_index == anim->videoStream)
? "->" : " ",
anim->next_packet.stream_index,
anim->videoStream,
(anim->next_packet.dts == AV_NOPTS_VALUE) ? -1:
(long long int)anim->next_packet.dts,
(anim->next_packet.pts == AV_NOPTS_VALUE) ? -1:
(long long int)anim->next_packet.pts,
(anim->next_packet.flags & AV_PKT_FLAG_KEY) ?
" KEY" : "");
if (anim->next_packet.stream_index == anim->videoStream) {
anim->pFrameComplete = 0;
avcodec_decode_video2(
anim->pCodecCtx,
anim->pFrame, &anim->pFrameComplete,
&anim->next_packet);
if (anim->pFrameComplete) {
anim->next_pts = av_get_pts_from_frame(
anim->pFormatCtx, anim->pFrame);
av_log(anim->pFormatCtx,
AV_LOG_DEBUG,
" FRAME DONE: next_pts=%lld "
"pkt_pts=%lld, guessed_pts=%lld\n",
(anim->pFrame->pts == AV_NOPTS_VALUE) ?
-1 : (long long int)anim->pFrame->pts,
(anim->pFrame->pkt_pts
== AV_NOPTS_VALUE) ?
-1 : (long long int)anim->pFrame->pkt_pts,
(long long int)anim->next_pts);
break;
}
}
av_free_packet(&anim->next_packet);
anim->next_packet.stream_index = -1;
}
if (rval < 0) {
anim->next_packet.stream_index = -1;
av_log(anim->pFormatCtx,
AV_LOG_ERROR, " DECODE READ FAILED: av_read_frame() "
"returned error: %d\n", rval);
}
return (rval >= 0);
}
static void ffmpeg_decode_video_frame_scan(
struct anim * anim, int64_t pts_to_search)
{
/* there seem to exist *very* silly GOP lengths out in the wild... */
int count = 1000;
av_log(anim->pFormatCtx,
AV_LOG_DEBUG,
"SCAN start: considering pts=%lld in search of %lld\n",
(long long int)anim->next_pts, (long long int)pts_to_search);
while (count > 0 && anim->next_pts < pts_to_search) {
av_log(anim->pFormatCtx,
AV_LOG_DEBUG,
" WHILE: pts=%lld in search of %lld\n",
(long long int)anim->next_pts, (long long int)pts_to_search);
if (!ffmpeg_decode_video_frame(anim)) {
break;
}
count--;
}
if (count == 0) {
av_log(anim->pFormatCtx,
AV_LOG_ERROR,
"SCAN failed: completely lost in stream, "
"bailing out at PTS=%lld, searching for PTS=%lld\n",
(long long int)anim->next_pts, (long long int)pts_to_search);
}
if (anim->next_pts == pts_to_search) {
av_log(anim->pFormatCtx,
AV_LOG_DEBUG, "SCAN HAPPY: we found our PTS!\n");
} else {
av_log(anim->pFormatCtx,
AV_LOG_ERROR, "SCAN UNHAPPY: PTS not matched!\n");
}
}
static int match_format(const char *name, AVFormatContext * pFormatCtx)
{
const char *p;
int len, namelen;
const char *names = pFormatCtx->iformat->name;
if (!name || !names)
return 0;
namelen = strlen(name);
while ((p = strchr(names, ','))) {
len = MAX2(p - names, namelen);
if (!BLI_strncasecmp(name, names, len))
return 1;
names = p+1;
}
return !BLI_strcasecmp(name, names);
}
static int ffmpeg_seek_by_byte(AVFormatContext *pFormatCtx)
{
static const char * byte_seek_list [] = { "mpegts", 0 };
const char ** p;
if (pFormatCtx->iformat->flags & AVFMT_TS_DISCONT) {
return TRUE;
}
p = byte_seek_list;
while (*p) {
if (match_format(*p++, pFormatCtx)) {
return TRUE;
}
}
return FALSE;
}
static ImBuf * ffmpeg_fetchibuf(struct anim * anim, int position,
IMB_Timecode_Type tc) {
int64_t pts_to_search = 0;
double frame_rate;
double pts_time_base;
long long st_time;
struct anim_index * tc_index = 0;
AVStream * v_st;
int new_frame_index = 0; /* To quite gcc barking... */
int old_frame_index = 0; /* To quite gcc barking... */
if (anim == 0) return (0);
av_log(anim->pFormatCtx, AV_LOG_DEBUG, "FETCH: pos=%d\n", position);
if (tc != IMB_TC_NONE) {
tc_index = IMB_anim_open_index(anim, tc);
}
v_st = anim->pFormatCtx->streams[anim->videoStream];
frame_rate = av_q2d(v_st->r_frame_rate);
st_time = anim->pFormatCtx->start_time;
pts_time_base = av_q2d(v_st->time_base);
if (tc_index) {
new_frame_index = IMB_indexer_get_frame_index(
tc_index, position);
old_frame_index = IMB_indexer_get_frame_index(
tc_index, anim->curposition);
pts_to_search = IMB_indexer_get_pts(
tc_index, new_frame_index);
} else {
pts_to_search = (long long)
floor(((double) position)
/ pts_time_base / frame_rate + 0.5);
if (st_time != AV_NOPTS_VALUE) {
pts_to_search += st_time / pts_time_base
/ AV_TIME_BASE;
}
}
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"FETCH: looking for PTS=%lld "
"(pts_timebase=%g, frame_rate=%g, st_time=%lld)\n",
(long long int)pts_to_search,pts_time_base, frame_rate, st_time);
if (anim->last_frame &&
anim->last_pts <= pts_to_search && anim->next_pts > pts_to_search){
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"FETCH: frame repeat: last: %lld next: %lld\n",
(long long int)anim->last_pts,
(long long int)anim->next_pts);
IMB_refImBuf(anim->last_frame);
anim->curposition = position;
return anim->last_frame;
}
if (position > anim->curposition + 1
&& anim->preseek
&& !tc_index
&& position - (anim->curposition + 1) < anim->preseek) {
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"FETCH: within preseek interval (no index)\n");
ffmpeg_decode_video_frame_scan(anim, pts_to_search);
} else if (tc_index &&
IMB_indexer_can_scan(tc_index, old_frame_index,
new_frame_index)) {
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"FETCH: within preseek interval "
"(index tells us)\n");
ffmpeg_decode_video_frame_scan(anim, pts_to_search);
} else if (position != anim->curposition + 1) {
long long pos;
int ret;
if (tc_index) {
unsigned long long dts;
pos = IMB_indexer_get_seek_pos(
tc_index, new_frame_index);
dts = IMB_indexer_get_seek_pos_dts(
tc_index, new_frame_index);
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"TC INDEX seek pos = %lld\n", pos);
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"TC INDEX seek dts = %lld\n", dts);
if (ffmpeg_seek_by_byte(anim->pFormatCtx)) {
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"... using BYTE pos\n");
ret = av_seek_frame(anim->pFormatCtx,
-1,
pos, AVSEEK_FLAG_BYTE);
av_update_cur_dts(anim->pFormatCtx, v_st, dts);
} else {
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"... using DTS pos\n");
ret = av_seek_frame(anim->pFormatCtx,
anim->videoStream,
dts, AVSEEK_FLAG_BACKWARD);
}
} else {
pos = (long long) (position - anim->preseek)
* AV_TIME_BASE / frame_rate;
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"NO INDEX seek pos = %lld, st_time = %lld\n",
pos, (st_time != AV_NOPTS_VALUE) ? st_time : 0);
if (pos < 0) {
pos = 0;
}
if (st_time != AV_NOPTS_VALUE) {
pos += st_time;
}
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"NO INDEX final seek pos = %lld\n", pos);
ret = av_seek_frame(anim->pFormatCtx, -1,
pos, AVSEEK_FLAG_BACKWARD);
}
if (ret < 0) {
av_log(anim->pFormatCtx, AV_LOG_ERROR,
"FETCH: "
"error while seeking to DTS = %lld "
"(frameno = %d, PTS = %lld): errcode = %d\n",
pos, position, (long long int)pts_to_search, ret);
}
avcodec_flush_buffers(anim->pCodecCtx);
anim->next_pts = -1;
if (anim->next_packet.stream_index == anim->videoStream) {
av_free_packet(&anim->next_packet);
anim->next_packet.stream_index = -1;
}
/* memset(anim->pFrame,...) ?? */
if (ret >= 0) {
ffmpeg_decode_video_frame_scan(anim, pts_to_search);
}
} else if (position == 0 && anim->curposition == -1) {
/* first frame without seeking special case... */
ffmpeg_decode_video_frame(anim);
} else {
av_log(anim->pFormatCtx, AV_LOG_DEBUG,
"FETCH: no seek necessary, just continue...\n");
}
IMB_freeImBuf(anim->last_frame);
anim->last_frame = IMB_allocImBuf(anim->x, anim->y, 32, IB_rect);
ffmpeg_postprocess(anim);
anim->last_pts = anim->next_pts;
ffmpeg_decode_video_frame(anim);
anim->curposition = position;
IMB_refImBuf(anim->last_frame);
return anim->last_frame;
}
static void free_anim_ffmpeg(struct anim * anim)
{
if (anim == NULL) return;
if (anim->pCodecCtx) {
avcodec_close(anim->pCodecCtx);
av_close_input_file(anim->pFormatCtx);
av_free(anim->pFrameRGB);
av_free(anim->pFrame);
if (anim->ib_flags & IB_animdeinterlace) {
MEM_freeN(anim->pFrameDeinterlaced->data[0]);
}
av_free(anim->pFrameDeinterlaced);
sws_freeContext(anim->img_convert_ctx);
IMB_freeImBuf(anim->last_frame);
if (anim->next_packet.stream_index != -1) {
av_free_packet(&anim->next_packet);
}
}
anim->duration = 0;
}
#endif
#ifdef WITH_REDCODE
static int startredcode(struct anim * anim)
{
anim->redcodeCtx = redcode_open(anim->name);
if (!anim->redcodeCtx) {
return -1;
}
anim->duration = redcode_get_length(anim->redcodeCtx);
return 0;
}
static ImBuf * redcode_fetchibuf(struct anim * anim, int position)
{
struct ImBuf * ibuf;
struct redcode_frame * frame;
struct redcode_frame_raw * raw_frame;
if (!anim->redcodeCtx) {
return NULL;
}
frame = redcode_read_video_frame(anim->redcodeCtx, position);
if (!frame) {
return NULL;
}
raw_frame = redcode_decode_video_raw(frame, 1);
redcode_free_frame(frame);
if (!raw_frame) {
return NULL;
}
ibuf = IMB_allocImBuf(raw_frame->width * 2,
raw_frame->height * 2, 32, IB_rectfloat);
redcode_decode_video_float(raw_frame, ibuf->rect_float, 1);
return ibuf;
}
static void free_anim_redcode(struct anim * anim)
{
if (anim->redcodeCtx) {
redcode_close(anim->redcodeCtx);
anim->redcodeCtx = 0;
}
anim->duration = 0;
}
#endif
/* probeer volgende plaatje te lezen */
/* Geen plaatje, probeer dan volgende animatie te openen */
/* gelukt, haal dan eerste plaatje van animatie */
static struct ImBuf * anim_getnew(struct anim * anim)
{
struct ImBuf *ibuf = NULL;
if (anim == NULL) return(NULL);
free_anim_movie(anim);
free_anim_avi(anim);
#ifdef WITH_QUICKTIME
free_anim_quicktime(anim);
#endif
#ifdef WITH_FFMPEG
free_anim_ffmpeg(anim);
#endif
#ifdef WITH_REDCODE
free_anim_redcode(anim);
#endif
if (anim->curtype != 0) return (NULL);
anim->curtype = imb_get_anim_type(anim->name);
switch (anim->curtype) {
case ANIM_SEQUENCE:
ibuf = IMB_loadiffname(anim->name, anim->ib_flags);
if (ibuf) {
BLI_strncpy(anim->first, anim->name, sizeof(anim->first));
anim->duration = 1;
}
break;
case ANIM_MOVIE:
if (startmovie(anim)) return (NULL);
ibuf = IMB_allocImBuf (anim->x, anim->y, 24, 0); /* fake */
break;
case ANIM_AVI:
if (startavi(anim)) {
printf("couldnt start avi\n");
return (NULL);
}
ibuf = IMB_allocImBuf (anim->x, anim->y, 24, 0);
break;
#ifdef WITH_QUICKTIME
case ANIM_QTIME:
if (startquicktime(anim)) return (0);
ibuf = IMB_allocImBuf (anim->x, anim->y, 24, 0);
break;
#endif
#ifdef WITH_FFMPEG
case ANIM_FFMPEG:
if (startffmpeg(anim)) return (0);
ibuf = IMB_allocImBuf (anim->x, anim->y, 24, 0);
break;
#endif
#ifdef WITH_REDCODE
case ANIM_REDCODE:
if (startredcode(anim)) return (0);
ibuf = IMB_allocImBuf (8, 8, 32, 0);
break;
#endif
}
return(ibuf);
}
struct ImBuf * IMB_anim_previewframe(struct anim * anim)
{
struct ImBuf * ibuf = NULL;
int position = 0;
ibuf = IMB_anim_absolute(anim, 0, IMB_TC_NONE, IMB_PROXY_NONE);
if (ibuf) {
IMB_freeImBuf(ibuf);
position = anim->duration / 2;
ibuf = IMB_anim_absolute(anim, position, IMB_TC_NONE,
IMB_PROXY_NONE);
}
return ibuf;
}
struct ImBuf * IMB_anim_absolute(struct anim * anim, int position,
IMB_Timecode_Type tc,
IMB_Proxy_Size preview_size) {
struct ImBuf * ibuf = NULL;
char head[256], tail[256];
unsigned short digits;
int pic;
int filter_y;
if (anim == NULL) return(NULL);
filter_y = (anim->ib_flags & IB_animdeinterlace);
if (anim->curtype == 0) {
ibuf = anim_getnew(anim);
if (ibuf == NULL) {
return(NULL);
}
IMB_freeImBuf(ibuf); /* ???? */
ibuf= NULL;
}
if (position < 0) return(NULL);
if (position >= anim->duration) return(NULL);
if (preview_size != IMB_PROXY_NONE) {
struct anim * proxy = IMB_anim_open_proxy(anim, preview_size);
if (proxy) {
position = IMB_anim_index_get_frame_index(
anim, tc, position);
return IMB_anim_absolute(
proxy, position,
IMB_TC_NONE, IMB_PROXY_NONE);
}
}
switch(anim->curtype) {
case ANIM_SEQUENCE:
pic = an_stringdec(anim->first, head, tail, &digits);
pic += position;
an_stringenc(anim->name, head, tail, digits, pic);
ibuf = IMB_loadiffname(anim->name, IB_rect);
if (ibuf) {
anim->curposition = position;
}
break;
case ANIM_MOVIE:
ibuf = movie_fetchibuf(anim, position);
if (ibuf) {
anim->curposition = position;
IMB_convert_rgba_to_abgr(ibuf);
ibuf->profile = IB_PROFILE_SRGB;
}
break;
case ANIM_AVI:
ibuf = avi_fetchibuf(anim, position);
if (ibuf)
anim->curposition = position;
break;
#ifdef WITH_QUICKTIME
case ANIM_QTIME:
ibuf = qtime_fetchibuf(anim, position);
if (ibuf)
anim->curposition = position;
break;
#endif
#ifdef WITH_FFMPEG
case ANIM_FFMPEG:
ibuf = ffmpeg_fetchibuf(anim, position, tc);
if (ibuf)
anim->curposition = position;
filter_y = 0; /* done internally */
break;
#endif
#ifdef WITH_REDCODE
case ANIM_REDCODE:
ibuf = redcode_fetchibuf(anim, position);
if (ibuf) anim->curposition = position;
break;
#endif
}
if (ibuf) {
if (filter_y) IMB_filtery(ibuf);
BLI_snprintf(ibuf->name, sizeof(ibuf->name), "%s.%04d", anim->name, anim->curposition + 1);
}
return(ibuf);
}
/***/
int IMB_anim_get_duration(struct anim *anim, IMB_Timecode_Type tc)
{
struct anim_index * idx;
if (tc == IMB_TC_NONE) {
return anim->duration;
}
idx = IMB_anim_open_index(anim, tc);
if (!idx) {
return anim->duration;
}
return IMB_indexer_get_duration(idx);
}
int IMB_anim_get_fps(struct anim * anim,
short * frs_sec, float * frs_sec_base)
{
if (anim->frs_sec) {
*frs_sec = anim->frs_sec;
*frs_sec_base = anim->frs_sec_base;
return TRUE;
}
return FALSE;
}
void IMB_anim_set_preseek(struct anim * anim, int preseek)
{
anim->preseek = preseek;
}
int IMB_anim_get_preseek(struct anim * anim)
{
return anim->preseek;
}
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