summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--libavformat/latmenc.c15
-rwxr-xr-xtests/lavf-regression.sh4
-rw-r--r--tests/ref/lavf-fate/latm3
3 files changed, 21 insertions, 1 deletions
diff --git a/libavformat/latmenc.c b/libavformat/latmenc.c
index 3ee277d701..c296a1b116 100644
--- a/libavformat/latmenc.c
+++ b/libavformat/latmenc.c
@@ -166,8 +166,21 @@ static int latm_write_packet(AVFormatContext *s, AVPacket *pkt)
/* The LATM payload is written unaligned */
+ i = 0;
+ if (pkt->size && (pkt->data[0] & 0xe1) == 0x81) {
+ // Convert byte-aligned DSE to non-aligned.
+ // Due to the input format encoding we know that
+ // it is naturally byte-aligned in the input stream,
+ // so there are no padding bits to account for.
+ // To avoid having to add padding bits and rearrange
+ // the whole stream we just remove the byte-align flag.
+ // This allows us to remux our FATE AAC samples into latm
+ // files that are still playable with minimal effort.
+ put_bits(&bs, 8, pkt->data[0] & 0xfe);
+ i++;
+ }
/* PayloadMux() */
- for (i = 0; i < pkt->size; i++)
+ for (; i < pkt->size; i++)
put_bits(&bs, 8, pkt->data[i]);
avpriv_align_put_bits(&bs);
diff --git a/tests/lavf-regression.sh b/tests/lavf-regression.sh
index 66e394c687..24a0c64ce8 100755
--- a/tests/lavf-regression.sh
+++ b/tests/lavf-regression.sh
@@ -139,6 +139,10 @@ if [ -n "$do_mp3" ] ; then
do_lavf_fate mp3 "mp3-conformance/he_32khz.bit" "-acodec copy"
fi
+if [ -n "$do_latm" ] ; then
+do_lavf_fate latm "aac/al04_44.mp4" "-acodec copy"
+fi
+
if [ -n "$do_ogg_vp3" ] ; then
# -idct simple causes different results on different systems
DEC_OPTS="$DEC_OPTS -idct auto"
diff --git a/tests/ref/lavf-fate/latm b/tests/ref/lavf-fate/latm
new file mode 100644
index 0000000000..36792773a7
--- /dev/null
+++ b/tests/ref/lavf-fate/latm
@@ -0,0 +1,3 @@
+9c8d1afdb2d336976102f175ba577471 *./tests/data/lavf-fate/lavf.latm
+71926 ./tests/data/lavf-fate/lavf.latm
+./tests/data/lavf-fate/lavf.latm CRC=0xd846c4b3