move framecrc muxer in its own file

Originally committed as revision 10868 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/Makefile

@@ -50,7 +50,7 @@ OBJS-$(CONFIG_FLIC_DEMUXER)              += flic.o
 OBJS-$(CONFIG_FLV_DEMUXER)               += flvdec.o
 OBJS-$(CONFIG_FLV_MUXER)                 += flvenc.o
 OBJS-$(CONFIG_FOURXM_DEMUXER)            += 4xm.o
-OBJS-$(CONFIG_FRAMECRC_MUXER)            += crc.o
+OBJS-$(CONFIG_FRAMECRC_MUXER)            += framecrcenc.o
 OBJS-$(CONFIG_GIF_MUXER)                 += gif.o
 OBJS-$(CONFIG_GIF_DEMUXER)               += gifdec.o
 OBJS-$(CONFIG_GXF_DEMUXER)               += gxf.o

libavformat/crc.c

@@ -1,5 +1,5 @@
 /*
- * CRC decoder (for codec/format testing)
+ * CRC encoder (for codec/format testing)
  * Copyright (c) 2002 Fabrice Bellard.
  *
  * This file is part of FFmpeg.
@@ -21,7 +21,6 @@
 #include "avformat.h"
 #include "adler32.h"
 
-#ifdef CONFIG_CRC_MUXER
 typedef struct CRCState {
     uint32_t crcval;
 } CRCState;
@@ -53,22 +52,7 @@ static int crc_write_trailer(struct AVFormatContext *s)
     put_flush_packet(&s->pb);
     return 0;
 }
-#endif
 
-#ifdef CONFIG_FRAMECRC_MUXER
-static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
-{
-    uint32_t crc = av_adler32_update(0, pkt->data, pkt->size);
-    char buf[256];
-
-    snprintf(buf, sizeof(buf), "%d, %"PRId64", %d, 0x%08x\n", pkt->stream_index, pkt->dts, pkt->size, crc);
-    put_buffer(&s->pb, buf, strlen(buf));
-    put_flush_packet(&s->pb);
-    return 0;
-}
-#endif
-
-#ifdef CONFIG_CRC_MUXER
 AVOutputFormat crc_muxer = {
     "crc",
     "crc testing format",
@@ -81,18 +65,3 @@ AVOutputFormat crc_muxer = {
     crc_write_packet,
     crc_write_trailer,
 };
-#endif
-#ifdef CONFIG_FRAMECRC_MUXER
-AVOutputFormat framecrc_muxer = {
-    "framecrc",
-    "framecrc testing format",
-    NULL,
-    "",
-    0,
-    CODEC_ID_PCM_S16LE,
-    CODEC_ID_RAWVIDEO,
-    NULL,
-    framecrc_write_packet,
-    NULL,
-};
-#endif

libavformat/framecrcenc.c

@@ -0,0 +1,46 @@
+/*
+ * frame CRC encoder (for codec/format testing)
+ * Copyright (c) 2002 Fabrice Bellard.
+ *
+ * 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 "avformat.h"
+#include "adler32.h"
+
+static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
+{
+    uint32_t crc = av_adler32_update(0, pkt->data, pkt->size);
+    char buf[256];
+
+    snprintf(buf, sizeof(buf), "%d, %"PRId64", %d, 0x%08x\n", pkt->stream_index, pkt->dts, pkt->size, crc);
+    put_buffer(&s->pb, buf, strlen(buf));
+    put_flush_packet(&s->pb);
+    return 0;
+}
+
+AVOutputFormat framecrc_muxer = {
+    "framecrc",
+    "framecrc testing format",
+    NULL,
+    "",
+    0,
+    CODEC_ID_PCM_S16LE,
+    CODEC_ID_RAWVIDEO,
+    NULL,
+    framecrc_write_packet,
+    NULL,
+};