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authorAurelien Jacobs <aurel@gnuage.org>2007-05-19 00:35:27 +0000
committerAurelien Jacobs <aurel@gnuage.org>2007-05-19 00:35:27 +0000
commit8bf63e1c8059277f8231b59164766b179cafefa2 (patch)
tree39418849c9f906640323efcb82e75aa77013b697 /libavcodec/dump_extradata_bsf.c
parent5209c83607b08ccf008aeba338ebf25e3691b603 (diff)
downloadffmpeg-8bf63e1c8059277f8231b59164766b179cafefa2.tar.gz
move dump_extradata bitstream filter in its own file
Originally committed as revision 9066 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/dump_extradata_bsf.c')
-rw-r--r--libavcodec/dump_extradata_bsf.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/libavcodec/dump_extradata_bsf.c b/libavcodec/dump_extradata_bsf.c
new file mode 100644
index 0000000000..db263490a3
--- /dev/null
+++ b/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,
+};