Differential D8199 Diff 26547 source/blender/io/avi/intern/avi_mjpeg.c

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source/blender/io/avi/intern/avi_mjpeg.c

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#include "IMB_imbuf.h"		#include "IMB_imbuf.h"

#include "jerror.h"		#include "jerror.h"
#include "jpeglib.h"		#include "jpeglib.h"

#include "avi_mjpeg.h"		#include "avi_mjpeg.h"

static void jpegmemdestmgr_build(j_compress_ptr cinfo, unsigned char *buffer, size_t bufsize);		static void jpegmemdestmgr_build(j_compress_ptr cinfo, unsigned char *buffer, size_t bufsize);
static void jpegmemsrcmgr_build(j_decompress_ptr dinfo, unsigned char *buffer, size_t bufsize);		static void jpegmemsrcmgr_build(j_decompress_ptr dinfo,
		const unsigned char *buffer,
		size_t bufsize);

static size_t numbytes;		static size_t numbytes;

static void add_huff_table(j_decompress_ptr dinfo,		static void add_huff_table(j_decompress_ptr dinfo,
JHUFF_TBL **htblptr,		JHUFF_TBL **htblptr,
const UINT8 *bits,		const UINT8 *bits,
const size_t bits_size,		const size_t bits_size,
const UINT8 *val,		const UINT8 *val,
▲ Show 20 Lines • Show All 325 Lines • ▼ Show 20 Lines	if ((i & 1) == odd) {
memcpy(&to[(i / 2 + height / 2) * rowstride], &from[i * rowstride], rowstride);		memcpy(&to[(i / 2 + height / 2) * rowstride], &from[i * rowstride], rowstride);
}		}
else {		else {
memcpy(&to[(i / 2) * rowstride], &from[i * rowstride], rowstride);		memcpy(&to[(i / 2) * rowstride], &from[i * rowstride], rowstride);
}		}
}		}
}		}

void avi_converter_from_mjpeg(AviMovie movie, int stream, unsigned char buffer, size_t size)		void avi_converter_from_mjpeg(AviMovie movie,
		int stream,
		unsigned char *buffer,
		const size_t *size)
{		{
int deint;		int deint;
unsigned char *buf;		unsigned char *buf;

(void)stream; /* unused */		(void)stream; /* unused */

buf = imb_alloc_pixels(movie->header->Height,		buf = imb_alloc_pixels(movie->header->Height,
movie->header->Width,		movie->header->Width,
▲ Show 20 Lines • Show All 155 Lines • ▼ Show 20 Lines

static void jpegmemsrcmgr_term_source(j_decompress_ptr dinfo)		static void jpegmemsrcmgr_term_source(j_decompress_ptr dinfo)
{		{
numbytes -= dinfo->src->bytes_in_buffer;		numbytes -= dinfo->src->bytes_in_buffer;

MEM_freeN(dinfo->src);		MEM_freeN(dinfo->src);
}		}

static void jpegmemsrcmgr_build(j_decompress_ptr dinfo, unsigned char *buffer, size_t bufsize)		static void jpegmemsrcmgr_build(j_decompress_ptr dinfo,
		const unsigned char *buffer,
		size_t bufsize)
{		{
dinfo->src = MEM_mallocN(sizeof(*(dinfo->src)), "avi.jpegmemsrcmgr_build");		dinfo->src = MEM_mallocN(sizeof(*(dinfo->src)), "avi.jpegmemsrcmgr_build");

dinfo->src->init_source = jpegmemsrcmgr_init_source;		dinfo->src->init_source = jpegmemsrcmgr_init_source;
dinfo->src->fill_input_buffer = jpegmemsrcmgr_fill_input_buffer;		dinfo->src->fill_input_buffer = jpegmemsrcmgr_fill_input_buffer;
dinfo->src->skip_input_data = jpegmemsrcmgr_skip_input_data;		dinfo->src->skip_input_data = jpegmemsrcmgr_skip_input_data;
dinfo->src->resync_to_restart = jpeg_resync_to_restart;		dinfo->src->resync_to_restart = jpeg_resync_to_restart;
dinfo->src->term_source = jpegmemsrcmgr_term_source;		dinfo->src->term_source = jpegmemsrcmgr_term_source;

dinfo->src->bytes_in_buffer = bufsize;		dinfo->src->bytes_in_buffer = bufsize;
dinfo->src->next_input_byte = buffer;		dinfo->src->next_input_byte = buffer;

numbytes = bufsize;		numbytes = bufsize;
}		}