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authorClément Bœsch <clement.boesch@smartjog.com>2012-01-02 09:39:11 +0100
committerClément Bœsch <ubitux@gmail.com>2012-01-02 15:34:03 +0100
commite1a8164d62fb8d1943b3f7a66500f0315ca8fe76 (patch)
treed321b32721c9a9b58080949fdeedb880f06e81a7 /libavformat/mp3enc.c
parent940d3cc0b0762f8beb8a12542e7553c17032ed3d (diff)
downloadffmpeg-e1a8164d62fb8d1943b3f7a66500f0315ca8fe76.tar.gz
mp3enc: fix playback with mp3 encoded files on some devices.
This partially reverts 1fea432b; header variable needs to keep its value in case it triggers "if (needed <= c.frame_size)".
Diffstat (limited to 'libavformat/mp3enc.c')
-rw-r--r--libavformat/mp3enc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/libavformat/mp3enc.c b/libavformat/mp3enc.c
index 42fc39db96..8d82452689 100644
--- a/libavformat/mp3enc.c
+++ b/libavformat/mp3enc.c
@@ -160,7 +160,7 @@ static int mp3_write_xing(AVFormatContext *s)
int best_bitrate_idx;
int best_bitrate_error= INT_MAX;
int64_t xing_offset;
- int32_t header;
+ int32_t header, mask;
MPADecodeHeader c;
int srate_idx, i, channels;
int needed;
@@ -200,8 +200,9 @@ static int mp3_write_xing(AVFormatContext *s)
for (bitrate_idx= best_bitrate_idx;; bitrate_idx++) {
if (15 == bitrate_idx)
return -1;
-
- avpriv_mpegaudio_decode_header(&c, header | (bitrate_idx << (4+8)));
+ mask = bitrate_idx << (4+8);
+ header |= mask;
+ avpriv_mpegaudio_decode_header(&c, header);
xing_offset=xing_offtbl[c.lsf == 1][c.nb_channels == 1];
needed = 4 // header
+ xing_offset
@@ -213,6 +214,7 @@ static int mp3_write_xing(AVFormatContext *s)
if (needed <= c.frame_size)
break;
+ header &= ~mask;
}
avio_wb32(s->pb, header);