move dump_extradata bitstream filter in its own file

Originally committed as revision 9066 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/Makefile

@@ -304,7 +304,7 @@ OBJS-$(CONFIG_MPEGVIDEO_PARSER)        += mpegvideo_parser.o
 OBJS-$(CONFIG_PNM_PARSER)              += pnm_parser.o pnm.o
 OBJS-$(CONFIG_VC1_PARSER)              += vc1_parser.o
 
-OBJS-$(CONFIG_DUMP_EXTRADATA_BSF)      += bitstream_filter.o
+OBJS-$(CONFIG_DUMP_EXTRADATA_BSF)      += dump_extradata_bsf.o
 OBJS-$(CONFIG_REMOVE_EXTRADATA_BSF)    += remove_extradata_bsf.o
 OBJS-$(CONFIG_NOISE_BSF)               += noise_bsf.o
 OBJS-$(CONFIG_MP3_HEADER_COMPRESS_BSF) += mp3_header_compress_bsf.o

libavcodec/bitstream_filter.c

@@ -56,33 +56,3 @@ int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
     *poutbuf_size= buf_size;
     return bsfc->filter->filter(bsfc, avctx, args, poutbuf, poutbuf_size, buf, buf_size, keyframe);
 }
-
-static int dump_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
-                     uint8_t **poutbuf, int *poutbuf_size,
-                     const uint8_t *buf, int buf_size, int keyframe){
-    int cmd= args ? *args : 0;
-    /* cast to avoid warning about discarding qualifiers */
-    if(avctx->extradata){
-        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) && cmd=='a')
-           ||(keyframe && (cmd=='k' || !cmd))
-           ||(cmd=='e')
-            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
-            int size= buf_size + avctx->extradata_size;
-            *poutbuf_size= size;
-            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
-
-            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
-            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
-            return 1;
-        }
-    }
-    return 0;
-}
-
-#ifdef CONFIG_DUMP_EXTRADATA_BSF
-AVBitStreamFilter dump_extradata_bsf={
-    "dump_extra",
-    0,
-    dump_extradata,
-};
-#endif

libavcodec/dump_extradata_bsf.c

@@ -0,0 +1,50 @@
+/*
+ * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * 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
+ */
+
+#include "avcodec.h"
+
+
+static int dump_extradata(AVBitStreamFilterContext *bsfc, AVCodecContext *avctx, const char *args,
+                     uint8_t **poutbuf, int *poutbuf_size,
+                     const uint8_t *buf, int buf_size, int keyframe){
+    int cmd= args ? *args : 0;
+    /* cast to avoid warning about discarding qualifiers */
+    if(avctx->extradata){
+        if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER) && cmd=='a')
+           ||(keyframe && (cmd=='k' || !cmd))
+           ||(cmd=='e')
+            /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
+            int size= buf_size + avctx->extradata_size;
+            *poutbuf_size= size;
+            *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
+
+            memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
+            memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+            return 1;
+        }
+    }
+    return 0;
+}
+
+AVBitStreamFilter dump_extradata_bsf={
+    "dump_extra",
+    0,
+    dump_extradata,
+};