Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / tiffenc.c

diff --git a/libavcodec/tiffenc.c b/libavcodec/tiffenc.c
index 0aa9740a99c6e462af087510da6c92f3d58b347b..85976f41c02048cd012fc701eb0aaf6dbb211d9f 100644 (file)
--- a/libavcodec/tiffenc.c
+++ b/libavcodec/tiffenc.c
@@ -2,20 +2,20 @@
  * TIFF image encoder
  * Copyright (c) 2007 Bartlomiej Wolowiec
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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.
  *
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -32,6 +32,7 @@
 #if CONFIG_ZLIB
 #include <zlib.h>
 #endif
+#include "libavutil/opt.h"
 #include "bytestream.h"
 #include "tiff.h"
 #include "rle.h"
@@ -65,6 +66,7 @@ typedef struct TiffEncoderContext {
     int buf_size;                       ///< buffer size
     uint16_t subsampling[2];            ///< YUV subsampling factors
     struct LZWEncodeState *lzws;        ///< LZW Encode state
+    uint32_t dpi;                       ///< image resolution in DPI
 } TiffEncoderContext;
 
 
@@ -214,8 +216,8 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
     uint32_t *strip_sizes = NULL;
     uint32_t *strip_offsets = NULL;
     int bytes_per_row;
-    uint32_t res[2] = { 72, 1 };        // image resolution (72/1)
-    static const uint16_t bpp_tab[] = { 8, 8, 8, 8 };
+    uint32_t res[2] = { s->dpi, 1 };        // image resolution (72/1)
+    uint16_t bpp_tab[] = { 8, 8, 8, 8 };
     int ret = -1;
     int is_yuv = 0;
     uint8_t *yuv_line = NULL;
@@ -237,6 +239,26 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
     s->subsampling[1] = 1;
 
     switch (avctx->pix_fmt) {
+    case PIX_FMT_RGBA64LE:
+        s->bpp = 64;
+        s->photometric_interpretation = 2;
+        bpp_tab[0] = 16;
+        bpp_tab[1] = 16;
+        bpp_tab[2] = 16;
+        bpp_tab[3] = 16;
+        break;
+    case PIX_FMT_RGB48LE:
+        s->bpp = 48;
+        s->photometric_interpretation = 2;
+        bpp_tab[0] = 16;
+        bpp_tab[1] = 16;
+        bpp_tab[2] = 16;
+        bpp_tab[3] = 16;
+        break;
+    case PIX_FMT_RGBA:
+        s->bpp = 32;
+        s->photometric_interpretation = 2;
+        break;
     case PIX_FMT_RGB24:
         s->bpp = 24;
         s->photometric_interpretation = 2;
@@ -250,12 +272,10 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
         s->photometric_interpretation = 3;
         break;
     case PIX_FMT_MONOBLACK:
-        s->bpp = 1;
-        s->photometric_interpretation = 1;
-        break;
     case PIX_FMT_MONOWHITE:
         s->bpp = 1;
-        s->photometric_interpretation = 0;
+        s->photometric_interpretation = avctx->pix_fmt == PIX_FMT_MONOBLACK;
+        bpp_tab[0] = 1;
         break;
     case PIX_FMT_YUV420P:
     case PIX_FMT_YUV422P:
@@ -277,7 +297,7 @@ static int encode_frame(AVCodecContext * avctx, unsigned char *buf,
         return -1;
     }
     if (!is_yuv)
-        s->bpp_tab_size = (s->bpp >> 3);
+        s->bpp_tab_size = (s->bpp >= 48) ? ((s->bpp + 7) >> 4):((s->bpp + 7) >> 3);
 
     if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE || s->compr == TIFF_LZW)
         //best choose for DEFLATE
@@ -440,6 +460,7 @@ fail:
 #define OFFSET(x) offsetof(TiffEncoderContext, x)
 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
 static const AVOption options[] = {
+    {"dpi", "set the image resolution (in dpi)", OFFSET(dpi), AV_OPT_TYPE_INT, {.dbl = 72}, 1, 0x10000, AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_ENCODING_PARAM},
     { "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" },
@@ -468,8 +489,8 @@ AVCodec ff_tiff_encoder = {
                               PIX_FMT_MONOBLACK, PIX_FMT_MONOWHITE,
                               PIX_FMT_YUV420P, PIX_FMT_YUV422P,
                               PIX_FMT_YUV444P, PIX_FMT_YUV410P,
-                              PIX_FMT_YUV411P,
-                              PIX_FMT_NONE},
+                              PIX_FMT_YUV411P, PIX_FMT_RGB48LE,
+                              PIX_FMT_RGBA, PIX_FMT_RGBA64LE, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("TIFF image"),
     .priv_class     = &tiffenc_class,
 };