lavc: remove disabled FF_API_ALLOC_CONTEXT cruft.

[ffmpeg] / libavcodec / bmp.c

diff --git a/libavcodec/bmp.c b/libavcodec/bmp.c
index 623a8a903e0d296830176b00c3da077e42e919b2..1f725f5369d6fce64419cbca974ceee87ff8d88b 100644 (file)
--- a/libavcodec/bmp.c
+++ b/libavcodec/bmp.c
@@ -2,20 +2,20 @@
  * BMP image format decoder
  * Copyright (c) 2005 Mans Rullgard
  *
- * 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
  */
 
@@ -162,8 +162,18 @@ static int bmp_decode_frame(AVCodecContext *avctx,
     case 16:
         if(comp == BMP_RGB)
             avctx->pix_fmt = PIX_FMT_RGB555;
-        if(comp == BMP_BITFIELDS)
-            avctx->pix_fmt = rgb[1] == 0x07E0 ? PIX_FMT_RGB565 : PIX_FMT_RGB555;
+        else if (comp == BMP_BITFIELDS) {
+            if (rgb[0] == 0xF800 && rgb[1] == 0x07E0 && rgb[2] == 0x001F)
+               avctx->pix_fmt = PIX_FMT_RGB565;
+            else if (rgb[0] == 0x7C00 && rgb[1] == 0x03E0 && rgb[2] == 0x001F)
+               avctx->pix_fmt = PIX_FMT_RGB555;
+            else if (rgb[0] == 0x0F00 && rgb[1] == 0x00F0 && rgb[2] == 0x000F)
+               avctx->pix_fmt = PIX_FMT_RGB444;
+            else {
+               av_log(avctx, AV_LOG_ERROR, "Unknown bitfields %0X %0X %0X\n", rgb[0], rgb[1], rgb[2]);
+               return AVERROR(EINVAL);
+            }
+        }
         break;
     case 8:
         if(hsize - ihsize - 14 > 0)
@@ -171,17 +181,15 @@ static int bmp_decode_frame(AVCodecContext *avctx,
         else
             avctx->pix_fmt = PIX_FMT_GRAY8;
         break;
+    case 1:
     case 4:
         if(hsize - ihsize - 14 > 0){
             avctx->pix_fmt = PIX_FMT_PAL8;
         }else{
-            av_log(avctx, AV_LOG_ERROR, "Unknown palette for 16-colour BMP\n");
+            av_log(avctx, AV_LOG_ERROR, "Unknown palette for %d-colour BMP\n", 1<<depth);
             return -1;
         }
         break;
-    case 1:
-        avctx->pix_fmt = PIX_FMT_MONOBLACK;
-        break;
     default:
         av_log(avctx, AV_LOG_ERROR, "depth %d not supported\n", depth);
         return -1;
@@ -200,7 +208,7 @@ static int bmp_decode_frame(AVCodecContext *avctx,
         av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         return -1;
     }
-    p->pict_type = FF_I_TYPE;
+    p->pict_type = AV_PICTURE_TYPE_I;
     p->key_frame = 1;
 
     buf = buf0 + hsize;
@@ -265,6 +273,22 @@ static int bmp_decode_frame(AVCodecContext *avctx,
     }else{
         switch(depth){
         case 1:
+            for (i = 0; i < avctx->height; i++) {
+                int j;
+                for (j = 0; j < n; j++) {
+                    ptr[j*8+0] =  buf[j] >> 7;
+                    ptr[j*8+1] = (buf[j] >> 6) & 1;
+                    ptr[j*8+2] = (buf[j] >> 5) & 1;
+                    ptr[j*8+3] = (buf[j] >> 4) & 1;
+                    ptr[j*8+4] = (buf[j] >> 3) & 1;
+                    ptr[j*8+5] = (buf[j] >> 2) & 1;
+                    ptr[j*8+6] = (buf[j] >> 1) & 1;
+                    ptr[j*8+7] =  buf[j]       & 1;
+                }
+                buf += n;
+                ptr += linesize;
+            }
+            break;
         case 8:
         case 24:
             for(i = 0; i < avctx->height; i++){
@@ -290,7 +314,7 @@ static int bmp_decode_frame(AVCodecContext *avctx,
                 uint16_t *dst = (uint16_t *) ptr;
 
                 for(j = 0; j < avctx->width; j++)
-                    *dst++ = le2me_16(*src++);
+                    *dst++ = av_le2ne16(*src++);
 
                 buf += n;
                 ptr += linesize;
@@ -335,16 +359,14 @@ static av_cold int bmp_decode_end(AVCodecContext *avctx)
     return 0;
 }
 
-AVCodec bmp_decoder = {
-    "bmp",
-    AVMEDIA_TYPE_VIDEO,
-    CODEC_ID_BMP,
-    sizeof(BMPContext),
-    bmp_decode_init,
-    NULL,
-    bmp_decode_end,
-    bmp_decode_frame,
-    CODEC_CAP_DR1,
-    .max_lowres = 5,
+AVCodec ff_bmp_decoder = {
+    .name           = "bmp",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = CODEC_ID_BMP,
+    .priv_data_size = sizeof(BMPContext),
+    .init           = bmp_decode_init,
+    .close          = bmp_decode_end,
+    .decode         = bmp_decode_frame,
+    .capabilities   = CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("BMP image"),
 };