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Add function put_nbyte() to speed up padding in SPDIF muxer.

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Patch by Anssi Hannula, anssi d hannula a iki d fi

Originally committed as revision 26193 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Anssi Hannula 2011-01-02 10:45:07 +00:00 committed by Carl Eugen Hoyos
parent d2995eb910
commit 17ee8f669f
2 changed files with 15 additions and 0 deletions
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1
libavformat/avio.h
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@ -353,6 +353,7 @@ ByteIOContext *av_alloc_put_byte(
int64_t (*seek)(void *opaque, int64_t offset, int whence));
void put_byte(ByteIOContext *s, int b);
void put_nbyte(ByteIOContext *s, int b, int count);
void put_buffer(ByteIOContext *s, const unsigned char *buf, int size);
void put_le64(ByteIOContext *s, uint64_t val);
void put_be64(ByteIOContext *s, uint64_t val);

14
libavformat/aviobuf.c
View File

@ -113,6 +113,20 @@ void put_byte(ByteIOContext *s, int b)
flush_buffer(s);
}
void put_nbyte(ByteIOContext *s, int b, int count)
{
while (count > 0) {
int len = FFMIN(s->buf_end - s->buf_ptr, count);
memset(s->buf_ptr, b, len);
s->buf_ptr += len;
if (s->buf_ptr >= s->buf_end)
flush_buffer(s);
count -= len;
}
}
void put_buffer(ByteIOContext *s, const unsigned char *buf, int size)
{
while (size > 0) {