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authorVladimir Pantelic <vladoman@gmail.com>2013-09-19 17:50:35 +0200
committerAnton Khirnov <anton@khirnov.net>2013-09-19 19:37:37 +0200
commitc53b5dda352452e79a9e962cd4c74c813186d9ed (patch)
tree49b0aad42b5e19af10373c873ff5a48493e2326d /libavformat/asfenc.c
parent5f408333601a827054335f309defcb246a532b21 (diff)
asfdec: replace magic constant with DATA_HEADER_SIZE
Signed-off-by: Vladimir Pantelic <vladoman@gmail.com> Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavformat/asfenc.c')
-rw-r--r--libavformat/asfenc.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/libavformat/asfenc.c b/libavformat/asfenc.c
index 6be285c531..e37b6f7d44 100644
--- a/libavformat/asfenc.c
+++ b/libavformat/asfenc.c
@@ -182,6 +182,8 @@
1 - /* Payload Flags */ \
2 * PAYLOAD_HEADER_SIZE_MULTIPLE_PAYLOADS)
+#define DATA_HEADER_SIZE 50
+
typedef struct {
uint32_t seqno;
int is_streamed;
@@ -517,14 +519,14 @@ static int asf_write_header1(AVFormatContext *s, int64_t file_size,
cur_pos = avio_tell(pb);
header_size = cur_pos - header_offset;
if (asf->is_streamed) {
- header_size += 8 + 30 + 50;
+ header_size += 8 + 30 + DATA_HEADER_SIZE;
avio_seek(pb, header_offset - 10 - 30, SEEK_SET);
avio_wl16(pb, header_size);
avio_seek(pb, header_offset - 2 - 30, SEEK_SET);
avio_wl16(pb, header_size);
- header_size -= 8 + 30 + 50;
+ header_size -= 8 + 30 + DATA_HEADER_SIZE;
}
header_size += 24 + 6;
avio_seek(pb, header_offset - 14, SEEK_SET);
@@ -555,10 +557,10 @@ static int asf_write_header(AVFormatContext *s)
asf->nb_index_count = 0;
asf->maximum_packet = 0;
- /* the data-chunk-size has to be 50, which is data_size - asf->data_offset
- * at the moment this function is done. It is needed to use asf as
- * streamable format. */
- if (asf_write_header1(s, 0, 50) < 0) {
+ /* the data-chunk-size has to be 50 (DATA_HEADER_SIZE), which is
+ * data_size - asf->data_offset at the moment this function is done.
+ * It is needed to use asf as a streamable format. */
+ if (asf_write_header1(s, 0, DATA_HEADER_SIZE) < 0) {
//av_free(asf);
return -1;
}