716222db |
/*
* TIFF image encoder
* Copyright (c) 2007 Bartlomiej Wolowiec
*
* This file is part of FFmpeg.
*
* FFmpeg 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,
* 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
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
|
ee5c8a9b |
/** |
ba87f080 |
* @file |
f6f95d4e |
* TIFF image encoder |
ee5c8a9b |
* @author Bartlomiej Wolowiec
*/ |
f6f95d4e |
|
e100a259 |
#include "libavutil/imgutils.h" |
a94c769d |
#include "libavutil/log.h"
#include "libavutil/opt.h" |
9bc055e3 |
#include "libavutil/pixdesc.h" |
a94c769d |
|
716222db |
#include "avcodec.h" |
1d9c2dc8 |
#include "config.h" |
b250f9c6 |
#if CONFIG_ZLIB |
716222db |
#include <zlib.h>
#endif
#include "bytestream.h" |
c581cb4e |
#include "internal.h" |
716222db |
#include "tiff.h"
#include "rle.h" |
efd2afc2 |
#include "lzw.h" |
f38e4507 |
#include "put_bits.h" |
716222db |
#define TIFF_MAX_ENTRY 32
/** sizes of various TIFF field types (string size = 1)*/ |
75abfab6 |
static const uint8_t type_sizes2[14] = {
0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8, 4 |
716222db |
};
typedef struct TiffEncoderContext { |
a94c769d |
AVClass *class; ///< for private options |
716222db |
AVCodecContext *avctx;
AVFrame picture;
int width; ///< picture width
int height; ///< picture height
unsigned int bpp; ///< bits per pixel
int compr; ///< compression level
int bpp_tab_size; ///< bpp_tab size |
e780e99e |
int photometric_interpretation; ///< photometric interpretation |
716222db |
int strips; ///< number of strips |
9b3f9f43 |
uint32_t *strip_sizes;
unsigned int strip_sizes_size;
uint32_t *strip_offsets;
unsigned int strip_offsets_size;
uint8_t *yuv_line;
unsigned int yuv_line_size; |
716222db |
int rps; ///< row per strip
uint8_t entries[TIFF_MAX_ENTRY*12]; ///< entires in header
int num_entries; ///< number of entires
uint8_t **buf; ///< actual position in buffer
uint8_t *buf_start; ///< pointer to first byte in buffer
int buf_size; ///< buffer size |
f4d47d6b |
uint16_t subsampling[2]; ///< YUV subsampling factors |
efd2afc2 |
struct LZWEncodeState *lzws; ///< LZW Encode state |
fc5299e9 |
uint32_t dpi; ///< image resolution in DPI |
716222db |
} TiffEncoderContext;
/** |
160df979 |
* Check free space in buffer.
* |
716222db |
* @param s Tiff context
* @param need Needed bytes
* @return 0 - ok, 1 - no free space
*/ |
3dde147f |
static inline int check_size(TiffEncoderContext * s, uint64_t need) |
716222db |
{
if (s->buf_size < *s->buf - s->buf_start + need) {
*s->buf = s->buf_start + s->buf_size + 1;
av_log(s->avctx, AV_LOG_ERROR, "Buffer is too small\n");
return 1;
}
return 0;
}
/** |
160df979 |
* Put n values to buffer. |
716222db |
* |
160df979 |
* @param p pointer to pointer to output buffer
* @param n number of values
* @param val pointer to values
* @param type type of values
* @param flip = 0 - normal copy, >0 - flip |
716222db |
*/
static void tnput(uint8_t ** p, int n, const uint8_t * val, enum TiffTypes type,
int flip)
{
int i; |
63613fe6 |
#if HAVE_BIGENDIAN |
716222db |
flip ^= ((int[]) {0, 0, 0, 1, 3, 3})[type];
#endif
for (i = 0; i < n * type_sizes2[type]; i++)
*(*p)++ = val[i ^ flip];
}
/**
* Add entry to directory in tiff header. |
160df979 |
* |
716222db |
* @param s Tiff context |
160df979 |
* @param tag tag that identifies the entry
* @param type entry type
* @param count the number of values
* @param ptr_val pointer to values |
716222db |
*/
static void add_entry(TiffEncoderContext * s,
enum TiffTags tag, enum TiffTypes type, int count,
const void *ptr_val)
{
uint8_t *entries_ptr = s->entries + 12 * s->num_entries;
|
1321e6ea |
av_assert0(s->num_entries < TIFF_MAX_ENTRY); |
716222db |
bytestream_put_le16(&entries_ptr, tag);
bytestream_put_le16(&entries_ptr, type);
bytestream_put_le32(&entries_ptr, count);
|
d50aa006 |
if (type_sizes[type] * (int64_t)count <= 4) { |
716222db |
tnput(&entries_ptr, count, ptr_val, type, 0);
} else {
bytestream_put_le32(&entries_ptr, *s->buf - s->buf_start); |
d50aa006 |
check_size(s, count * (int64_t)type_sizes2[type]); |
716222db |
tnput(s->buf, count, ptr_val, type, 0);
}
s->num_entries++;
}
|
0a7a33d2 |
static void add_entry1(TiffEncoderContext * s,
enum TiffTags tag, enum TiffTypes type, int val){
uint16_t w = val;
uint32_t dw= val; |
6be4042c |
add_entry(s, tag, type, 1, type == TIFF_SHORT ? (void *)&w : (void *)&dw); |
0a7a33d2 |
}
|
716222db |
/** |
160df979 |
* Encode one strip in tiff file. |
716222db |
*
* @param s Tiff context |
160df979 |
* @param src input buffer
* @param dst output buffer
* @param n size of input buffer
* @param compr compression method
* @return number of output bytes. If an output error is encountered, -1 is returned |
716222db |
*/
static int encode_strip(TiffEncoderContext * s, const int8_t * src,
uint8_t * dst, int n, int compr)
{
switch (compr) { |
b250f9c6 |
#if CONFIG_ZLIB |
716222db |
case TIFF_DEFLATE:
case TIFF_ADOBE_DEFLATE:
{
unsigned long zlen = s->buf_size - (*s->buf - s->buf_start);
if (compress(dst, &zlen, src, n) != Z_OK) {
av_log(s->avctx, AV_LOG_ERROR, "Compressing failed\n");
return -1;
}
return zlen;
}
#endif
case TIFF_RAW:
if (check_size(s, n))
return -1;
memcpy(dst, src, n);
return n;
case TIFF_PACKBITS:
return ff_rle_encode(dst, s->buf_size - (*s->buf - s->buf_start), src, 1, n, 2, 0xff, -1, 0); |
efd2afc2 |
case TIFF_LZW:
return ff_lzw_encode(s->lzws, src, n); |
716222db |
default:
return -1;
}
}
|
f4d47d6b |
static void pack_yuv(TiffEncoderContext * s, uint8_t * dst, int lnum)
{
AVFrame *p = &s->picture;
int i, j, k;
int w = (s->width - 1) / s->subsampling[0] + 1;
uint8_t *pu = &p->data[1][lnum / s->subsampling[1] * p->linesize[1]];
uint8_t *pv = &p->data[2][lnum / s->subsampling[1] * p->linesize[2]]; |
d0495634 |
if(s->width % s->subsampling[0] || s->height % s->subsampling[1]){
for (i = 0; i < w; i++){
for (j = 0; j < s->subsampling[1]; j++)
for (k = 0; k < s->subsampling[0]; k++)
*dst++ = p->data[0][FFMIN(lnum + j, s->height-1) * p->linesize[0] +
FFMIN(i * s->subsampling[0] + k, s->width-1)];
*dst++ = *pu++;
*dst++ = *pv++;
}
}else{
for (i = 0; i < w; i++){
for (j = 0; j < s->subsampling[1]; j++)
for (k = 0; k < s->subsampling[0]; k++)
*dst++ = p->data[0][(lnum + j) * p->linesize[0] +
i * s->subsampling[0] + k];
*dst++ = *pu++;
*dst++ = *pv++;
} |
f4d47d6b |
}
}
|
ca16f88c |
static av_cold int encode_init(AVCodecContext *avctx)
{
TiffEncoderContext *s = avctx->priv_data;
avctx->coded_frame= &s->picture;
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
s->avctx = avctx;
return 0;
}
|
760b0040 |
static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet) |
716222db |
{ |
a51540d8 |
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
716222db |
TiffEncoderContext *s = avctx->priv_data; |
562b6c74 |
AVFrame *const p = &s->picture; |
716222db |
int i; |
760b0040 |
uint8_t *ptr; |
716222db |
uint8_t *offset;
uint32_t strips;
int bytes_per_row; |
fc5299e9 |
uint32_t res[2] = { s->dpi, 1 }; // image resolution (72/1) |
82c4abbf |
uint16_t bpp_tab[4]; |
716222db |
int ret = -1; |
f3683349 |
int is_yuv = 0, alpha = 0; |
f4d47d6b |
int shift_h, shift_v; |
716222db |
*p = *pict;
s->width = avctx->width;
s->height = avctx->height; |
f4d47d6b |
s->subsampling[0] = 1;
s->subsampling[1] = 1; |
716222db |
|
146d29c7 |
avctx->bits_per_coded_sample = |
a51540d8 |
s->bpp = av_get_bits_per_pixel(desc);
s->bpp_tab_size = desc->nb_components; |
146d29c7 |
|
716222db |
switch (avctx->pix_fmt) { |
ac627b3d |
case AV_PIX_FMT_RGBA64LE:
case AV_PIX_FMT_RGBA: |
f3683349 |
alpha = 1; |
716d413c |
case AV_PIX_FMT_RGB48LE:
case AV_PIX_FMT_RGB24: |
e780e99e |
s->photometric_interpretation = 2; |
716222db |
break; |
ac627b3d |
case AV_PIX_FMT_GRAY8: |
dddd06d5 |
avctx->bits_per_coded_sample = 0x28; |
ac627b3d |
case AV_PIX_FMT_GRAY8A:
alpha = avctx->pix_fmt == AV_PIX_FMT_GRAY8A;
case AV_PIX_FMT_GRAY16LE: |
716d413c |
case AV_PIX_FMT_MONOBLACK: |
e780e99e |
s->photometric_interpretation = 1; |
716222db |
break; |
ac627b3d |
case AV_PIX_FMT_PAL8: |
e780e99e |
s->photometric_interpretation = 3; |
716222db |
break; |
716d413c |
case AV_PIX_FMT_MONOWHITE: |
a5a90fa5 |
s->photometric_interpretation = 0; |
716222db |
break; |
716d413c |
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUV422P: |
ac627b3d |
case AV_PIX_FMT_YUV440P: |
716d413c |
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_YUV410P:
case AV_PIX_FMT_YUV411P: |
f4d47d6b |
s->photometric_interpretation = 6; |
e13d5e9a |
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &shift_h, &shift_v); |
f4d47d6b |
s->subsampling[0] = 1 << shift_h;
s->subsampling[1] = 1 << shift_v;
is_yuv = 1;
break; |
716222db |
default:
av_log(s->avctx, AV_LOG_ERROR,
"This colors format is not supported\n");
return -1;
}
|
82c4abbf |
for (i = 0; i < s->bpp_tab_size; i++) |
a51540d8 |
bpp_tab[i] = desc->comp[i].depth_minus1 + 1; |
82c4abbf |
|
efd2afc2 |
if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE || s->compr == TIFF_LZW) |
716222db |
//best choose for DEFLATE
s->rps = s->height;
else
s->rps = FFMAX(8192 / (((s->width * s->bpp) >> 3) + 1), 1); // suggest size of strip |
f4d47d6b |
s->rps = ((s->rps - 1) / s->subsampling[1] + 1) * s->subsampling[1]; // round rps up |
716222db |
strips = (s->height - 1) / s->rps + 1;
|
219d8245 |
if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * s->bpp * 2 + |
ae2c33b0 |
avctx->height * 4 + FF_MIN_BUFFER_SIZE)) < 0) |
760b0040 |
return ret;
ptr = pkt->data;
s->buf_start = pkt->data;
s->buf = &ptr;
s->buf_size = pkt->size;
|
716222db |
if (check_size(s, 8))
goto fail;
// write header
bytestream_put_le16(&ptr, 0x4949);
bytestream_put_le16(&ptr, 42);
offset = ptr;
bytestream_put_le32(&ptr, 0);
|
9b3f9f43 |
av_fast_padded_mallocz(&s->strip_sizes, &s->strip_sizes_size, sizeof(s->strip_sizes[0]) * strips);
av_fast_padded_mallocz(&s->strip_offsets, &s->strip_offsets_size, sizeof(s->strip_offsets[0]) * strips);
if (!s->strip_sizes || !s->strip_offsets) {
ret = AVERROR(ENOMEM);
goto fail;
} |
716222db |
|
f4d47d6b |
bytes_per_row = (((s->width - 1)/s->subsampling[0] + 1) * s->bpp
* s->subsampling[0] * s->subsampling[1] + 7) >> 3;
if (is_yuv){ |
9b3f9f43 |
av_fast_padded_malloc(&s->yuv_line, &s->yuv_line_size, bytes_per_row);
if (s->yuv_line == NULL){ |
f4d47d6b |
av_log(s->avctx, AV_LOG_ERROR, "Not enough memory\n"); |
9b3f9f43 |
ret = AVERROR(ENOMEM); |
f4d47d6b |
goto fail;
}
} |
716222db |
|
b250f9c6 |
#if CONFIG_ZLIB |
716222db |
if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE) {
uint8_t *zbuf;
int zlen, zn;
int j;
zlen = bytes_per_row * s->rps;
zbuf = av_malloc(zlen); |
b92dfb56 |
if (!zbuf) {
ret = AVERROR(ENOMEM);
goto fail;
} |
9b3f9f43 |
s->strip_offsets[0] = ptr - pkt->data; |
716222db |
zn = 0;
for (j = 0; j < s->rps; j++) { |
f4d47d6b |
if (is_yuv){ |
9b3f9f43 |
pack_yuv(s, s->yuv_line, j);
memcpy(zbuf + zn, s->yuv_line, bytes_per_row); |
f4d47d6b |
j += s->subsampling[1] - 1;
}
else |
24ba15b1 |
memcpy(zbuf + j * bytes_per_row,
p->data[0] + j * p->linesize[0], bytes_per_row); |
716222db |
zn += bytes_per_row;
} |
62acb493 |
ret = encode_strip(s, zbuf, ptr, zn, s->compr); |
716222db |
av_free(zbuf); |
62acb493 |
if (ret < 0) { |
716222db |
av_log(s->avctx, AV_LOG_ERROR, "Encode strip failed\n");
goto fail;
} |
62acb493 |
ptr += ret; |
9b3f9f43 |
s->strip_sizes[0] = ptr - pkt->data - s->strip_offsets[0]; |
716222db |
} else
#endif
{ |
b92dfb56 |
if (s->compr == TIFF_LZW) { |
efd2afc2 |
s->lzws = av_malloc(ff_lzw_encode_state_size); |
b92dfb56 |
if (!s->lzws) {
ret = AVERROR(ENOMEM);
goto fail;
}
} |
716222db |
for (i = 0; i < s->height; i++) { |
9b3f9f43 |
if (s->strip_sizes[i / s->rps] == 0) { |
efd2afc2 |
if(s->compr == TIFF_LZW){ |
f38e4507 |
ff_lzw_encode_init(s->lzws, ptr, s->buf_size - (*s->buf - s->buf_start),
12, FF_LZW_TIFF, put_bits); |
efd2afc2 |
} |
9b3f9f43 |
s->strip_offsets[i / s->rps] = ptr - pkt->data; |
716222db |
} |
f4d47d6b |
if (is_yuv){ |
9b3f9f43 |
pack_yuv(s, s->yuv_line, i);
ret = encode_strip(s, s->yuv_line, ptr, bytes_per_row, s->compr); |
f4d47d6b |
i += s->subsampling[1] - 1;
}
else |
62acb493 |
ret = encode_strip(s, p->data[0] + i * p->linesize[0], |
f4d47d6b |
ptr, bytes_per_row, s->compr); |
62acb493 |
if (ret < 0) { |
716222db |
av_log(s->avctx, AV_LOG_ERROR, "Encode strip failed\n");
goto fail;
} |
9b3f9f43 |
s->strip_sizes[i / s->rps] += ret; |
62acb493 |
ptr += ret; |
efd2afc2 |
if(s->compr == TIFF_LZW && (i==s->height-1 || i%s->rps == s->rps-1)){ |
f38e4507 |
ret = ff_lzw_encode_flush(s->lzws, flush_put_bits); |
9b3f9f43 |
s->strip_sizes[(i / s->rps )] += ret ; |
efd2afc2 |
ptr += ret;
} |
716222db |
} |
efd2afc2 |
if(s->compr == TIFF_LZW)
av_free(s->lzws); |
716222db |
}
s->num_entries = 0;
|
0a7a33d2 |
add_entry1(s,TIFF_SUBFILE, TIFF_LONG, 0);
add_entry1(s,TIFF_WIDTH, TIFF_LONG, s->width);
add_entry1(s,TIFF_HEIGHT, TIFF_LONG, s->height); |
716222db |
if (s->bpp_tab_size)
add_entry(s, TIFF_BPP, TIFF_SHORT, s->bpp_tab_size, bpp_tab);
|
0a7a33d2 |
add_entry1(s,TIFF_COMPR, TIFF_SHORT, s->compr); |
e780e99e |
add_entry1(s,TIFF_INVERT, TIFF_SHORT, s->photometric_interpretation); |
9b3f9f43 |
add_entry(s, TIFF_STRIP_OFFS, TIFF_LONG, strips, s->strip_offsets); |
716222db |
if (s->bpp_tab_size) |
0a7a33d2 |
add_entry1(s,TIFF_SAMPLES_PER_PIXEL, TIFF_SHORT, s->bpp_tab_size); |
716222db |
|
0a7a33d2 |
add_entry1(s,TIFF_ROWSPERSTRIP, TIFF_LONG, s->rps); |
9b3f9f43 |
add_entry(s, TIFF_STRIP_SIZE, TIFF_LONG, strips, s->strip_sizes); |
716222db |
add_entry(s, TIFF_XRES, TIFF_RATIONAL, 1, res);
add_entry(s, TIFF_YRES, TIFF_RATIONAL, 1, res); |
0a7a33d2 |
add_entry1(s,TIFF_RES_UNIT, TIFF_SHORT, 2); |
c28baf06 |
if(!(avctx->flags & CODEC_FLAG_BITEXACT)) |
716222db |
add_entry(s, TIFF_SOFTWARE_NAME, TIFF_STRING,
strlen(LIBAVCODEC_IDENT) + 1, LIBAVCODEC_IDENT);
|
716d413c |
if (avctx->pix_fmt == AV_PIX_FMT_PAL8) { |
716222db |
uint16_t pal[256 * 3];
for (i = 0; i < 256; i++) {
uint32_t rgb = *(uint32_t *) (p->data[1] + i * 4);
pal[i] = ((rgb >> 16) & 0xff) * 257;
pal[i + 256] = ((rgb >> 8 ) & 0xff) * 257;
pal[i + 512] = ( rgb & 0xff) * 257;
}
add_entry(s, TIFF_PAL, TIFF_SHORT, 256 * 3, pal);
} |
f3683349 |
if (alpha)
add_entry1(s,TIFF_EXTRASAMPLES, TIFF_SHORT, 2); |
f4d47d6b |
if (is_yuv){
/** according to CCIR Recommendation 601.1 */
uint32_t refbw[12] = {15, 1, 235, 1, 128, 1, 240, 1, 128, 1, 240, 1};
add_entry(s, TIFF_YCBCR_SUBSAMPLING, TIFF_SHORT, 2, s->subsampling); |
c673ef12 |
if (avctx->chroma_sample_location == AVCHROMA_LOC_TOPLEFT)
add_entry1(s, TIFF_YCBCR_POSITIONING, TIFF_SHORT, 2); |
f4d47d6b |
add_entry(s, TIFF_REFERENCE_BW, TIFF_RATIONAL, 6, refbw);
} |
760b0040 |
bytestream_put_le32(&offset, ptr - pkt->data); // write offset to dir |
716222db |
|
62acb493 |
if (check_size(s, 6 + s->num_entries * 12)) {
ret = AVERROR(EINVAL); |
716222db |
goto fail; |
62acb493 |
} |
716222db |
bytestream_put_le16(&ptr, s->num_entries); // write tag count
bytestream_put_buffer(&ptr, s->entries, s->num_entries * 12);
bytestream_put_le32(&ptr, 0);
|
760b0040 |
pkt->size = ptr - pkt->data;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1; |
716222db |
fail: |
ea8fc918 |
return ret < 0 ? ret : 0; |
716222db |
}
|
9b3f9f43 |
static av_cold int encode_close(AVCodecContext *avctx)
{
TiffEncoderContext *s = avctx->priv_data;
av_freep(&s->strip_sizes);
av_freep(&s->strip_offsets);
av_freep(&s->yuv_line);
return 0;
}
|
a94c769d |
#define OFFSET(x) offsetof(TiffEncoderContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = { |
d46c1c72 |
{"dpi", "set the image resolution (in dpi)", OFFSET(dpi), AV_OPT_TYPE_INT, {.i64 = 72}, 1, 0x10000, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_ENCODING_PARAM}, |
e6153f17 |
{ "compression_algo", NULL, OFFSET(compr), AV_OPT_TYPE_INT, {.i64 = TIFF_PACKBITS}, TIFF_RAW, TIFF_DEFLATE, VE, "compression_algo" }, |
124134e4 |
{ "packbits", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = TIFF_PACKBITS}, 0, 0, VE, "compression_algo" },
{ "raw", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = TIFF_RAW}, 0, 0, VE, "compression_algo" },
{ "lzw", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = TIFF_LZW}, 0, 0, VE, "compression_algo" }, |
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#if CONFIG_ZLIB |
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{ "deflate", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = TIFF_DEFLATE}, 0, 0, VE, "compression_algo" }, |
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#endif
{ NULL },
};
static const AVClass tiffenc_class = {
.class_name = "TIFF encoder",
.item_name = av_default_item_name,
.option = options,
.version = LIBAVUTIL_VERSION_INT, |
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};
|
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AVCodec ff_tiff_encoder = { |
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.name = "tiff",
.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_TIFF, |
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.priv_data_size = sizeof(TiffEncoderContext), |
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.init = encode_init, |
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.encode2 = encode_frame, |
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.close = encode_close, |
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.pix_fmts = (const enum AVPixelFormat[]) { |
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AV_PIX_FMT_RGB24, AV_PIX_FMT_PAL8, AV_PIX_FMT_GRAY8,
AV_PIX_FMT_GRAY8A, AV_PIX_FMT_GRAY16LE, |
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AV_PIX_FMT_MONOBLACK, AV_PIX_FMT_MONOWHITE, |
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AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_RGB48LE,
AV_PIX_FMT_RGBA, AV_PIX_FMT_RGBA64LE, |
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AV_PIX_FMT_NONE |
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}, |
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.long_name = NULL_IF_CONFIG_SMALL("TIFF image"), |
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.priv_class = &tiffenc_class, |
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}; |