* TIFF image encoder
* Copyright (c) 2007 Bartlomiej Wolowiec
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
+ * @file
* TIFF image encoder
- * @file tiffenc.c
* @author Bartlomiej Wolowiec
*/
+
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
+
#include "avcodec.h"
-#ifdef CONFIG_ZLIB
+#if CONFIG_ZLIB
#include <zlib.h>
#endif
#include "bytestream.h"
#include "tiff.h"
#include "rle.h"
#include "lzw.h"
+#include "put_bits.h"
#define TIFF_MAX_ENTRY 32
};
typedef struct TiffEncoderContext {
+ AVClass *class; ///< for private options
AVCodecContext *avctx;
AVFrame picture;
int flip)
{
int i;
-#ifdef WORDS_BIGENDIAN
+#if HAVE_BIGENDIAN
flip ^= ((int[]) {0, 0, 0, 1, 3, 3})[type];
#endif
for (i = 0; i < n * type_sizes2[type]; i++)
{
switch (compr) {
-#ifdef CONFIG_ZLIB
+#if CONFIG_ZLIB
case TIFF_DEFLATE:
case TIFF_ADOBE_DEFLATE:
{
uint8_t *yuv_line = NULL;
int shift_h, shift_v;
+ s->avctx = avctx;
s->buf_start = buf;
s->buf = &ptr;
s->buf_size = buf_size;
*p = *pict;
- p->pict_type = FF_I_TYPE;
+ p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
-
- s->compr = TIFF_PACKBITS;
- if (avctx->compression_level == 0) {
- s->compr = TIFF_RAW;
- } else if(avctx->compression_level == 2) {
- s->compr = TIFF_LZW;
-#ifdef CONFIG_ZLIB
- } else if ((avctx->compression_level >= 3)) {
- s->compr = TIFF_DEFLATE;
-#endif
- }
+ avctx->coded_frame= &s->picture;
s->width = avctx->width;
s->height = avctx->height;
}
}
-#ifdef CONFIG_ZLIB
+#if CONFIG_ZLIB
if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE) {
uint8_t *zbuf;
int zlen, zn;
for (i = 0; i < s->height; i++) {
if (strip_sizes[i / s->rps] == 0) {
if(s->compr == TIFF_LZW){
- ff_lzw_encode_init(s->lzws, ptr, s->buf_size - (*s->buf - s->buf_start), 12);
+ ff_lzw_encode_init(s->lzws, ptr, s->buf_size - (*s->buf - s->buf_start),
+ 12, FF_LZW_TIFF, put_bits);
}
strip_offsets[i / s->rps] = ptr - buf;
}
ptr += n;
if(s->compr == TIFF_LZW && (i==s->height-1 || i%s->rps == s->rps-1)){
int ret;
- ret = ff_lzw_encode_flush(s->lzws);
+ ret = ff_lzw_encode_flush(s->lzws, flush_put_bits);
strip_sizes[(i / s->rps )] += ret ;
ptr += ret;
}
return ret;
}
-AVCodec tiff_encoder = {
- "tiff",
- CODEC_TYPE_VIDEO,
- CODEC_ID_TIFF,
- sizeof(TiffEncoderContext),
- NULL,
- encode_frame,
- NULL,
- NULL,
- 0,
- NULL,
+#define OFFSET(x) offsetof(TiffEncoderContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "compression_algo", NULL, OFFSET(compr), AV_OPT_TYPE_INT, {TIFF_PACKBITS}, TIFF_RAW, TIFF_DEFLATE, VE, "compression_algo" },
+ { "packbits", NULL, 0, AV_OPT_TYPE_CONST, {TIFF_PACKBITS}, 0, 0, VE, "compression_algo" },
+ { "raw", NULL, 0, AV_OPT_TYPE_CONST, {TIFF_RAW}, 0, 0, VE, "compression_algo" },
+ { "lzw", NULL, 0, AV_OPT_TYPE_CONST, {TIFF_LZW}, 0, 0, VE, "compression_algo" },
+#if CONFIG_ZLIB
+ { "deflate", NULL, 0, AV_OPT_TYPE_CONST, {TIFF_DEFLATE}, 0, 0, VE, "compression_algo" },
+#endif
+ { NULL },
+};
+
+static const AVClass tiffenc_class = {
+ .class_name = "TIFF encoder",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_tiff_encoder = {
+ .name = "tiff",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_TIFF,
+ .priv_data_size = sizeof(TiffEncoderContext),
+ .encode = encode_frame,
.pix_fmts =
- (enum PixelFormat[]) {PIX_FMT_RGB24, PIX_FMT_PAL8, PIX_FMT_GRAY8,
+ (const enum PixelFormat[]) {PIX_FMT_RGB24, PIX_FMT_PAL8, PIX_FMT_GRAY8,
PIX_FMT_MONOBLACK, PIX_FMT_MONOWHITE,
PIX_FMT_YUV420P, PIX_FMT_YUV422P,
PIX_FMT_YUV444P, PIX_FMT_YUV410P,
- PIX_FMT_YUV411P
- -1}
-
+ PIX_FMT_YUV411P,
+ PIX_FMT_NONE},
+ .long_name = NULL_IF_CONFIG_SMALL("TIFF image"),
+ .priv_class = &tiffenc_class,
};