Module: libav
Branch: master
Commit: 31adff08a14b7cd3f4097a4f912108cd64472069
Author: Martin Storsjö <mar...@martin.st>
Committer: Martin Storsjö <mar...@martin.st>
Date: Tue Sep 11 12:52:55 2012 +0300
rtpdec_jpeg: Clarify where the subsampling magic numbers come from
Write out the numbers the way they are constructed, not just the
final values.
Signed-off-by: Martin Storsjö <mar...@martin.st>
---
libavformat/rtpdec_jpeg.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/libavformat/rtpdec_jpeg.c b/libavformat/rtpdec_jpeg.c
index 4d8523d..20bb356 100644
--- a/libavformat/rtpdec_jpeg.c
+++ b/libavformat/rtpdec_jpeg.c
@@ -166,13 +166,13 @@ static int jpeg_create_header(uint8_t *buf, int size,
uint32_t type, uint32_t w,
bytestream2_put_be16(&pbc, w);
bytestream2_put_byte(&pbc, 3);
bytestream2_put_byte(&pbc, 1);
- bytestream2_put_byte(&pbc, type ? 34 : 33);
+ bytestream2_put_byte(&pbc, (2 << 4) | (type ? 2 : 1)); /* hsample/vsample
*/
bytestream2_put_byte(&pbc, 0);
bytestream2_put_byte(&pbc, 2);
- bytestream2_put_byte(&pbc, 17);
+ bytestream2_put_byte(&pbc, 1 << 4 | 1); /* hsample/vsample */
bytestream2_put_byte(&pbc, nb_qtable == 2 ? 1 : 0);
bytestream2_put_byte(&pbc, 3);
- bytestream2_put_byte(&pbc, 17);
+ bytestream2_put_byte(&pbc, 1 << 4 | 1); /* hsample/vsample */
bytestream2_put_byte(&pbc, nb_qtable == 2 ? 1 : 0);
/* SOS */
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