From c1fcd7e1ab1d77b67e66d7b6a27c104613c0187a Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Thu, 8 Sep 2011 08:22:50 +0200
Subject: Support remuxing aac_latm.

---
 libavformat/latmenc.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libavformat/latmenc.c')

diff --git a/libavformat/latmenc.c b/libavformat/latmenc.c
index 8d67b5a615..9f5377cb37 100644
--- a/libavformat/latmenc.c
+++ b/libavformat/latmenc.c
@@ -25,6 +25,7 @@
 #include "libavcodec/mpeg4audio.h"
 #include "libavutil/opt.h"
 #include "avformat.h"
+#include "rawenc.h"
 
 typedef struct {
     int off;
@@ -75,6 +76,9 @@ static int latm_write_header(AVFormatContext *s)
     LATMContext *ctx = s->priv_data;
     AVCodecContext *avctx = s->streams[0]->codec;
 
+    if (avctx->codec_id == CODEC_ID_AAC_LATM)
+        return 0;
+
     if (avctx->extradata_size > 0 &&
         latm_decode_extradata(ctx, avctx->extradata, avctx->extradata_size) < 0)
         return AVERROR_INVALIDDATA;
@@ -135,6 +139,9 @@ static int latm_write_packet(AVFormatContext *s, AVPacket *pkt)
     uint8_t loas_header[] = "\x56\xe0\x00";
     uint8_t *buf;
 
+    if (s->streams[0]->codec->codec_id == CODEC_ID_AAC_LATM)
+        return ff_raw_write_packet(s, pkt);
+
     if (pkt->size > 2 && pkt->data[0] == 0xff && (pkt->data[1] >> 4) == 0xf) {
         av_log(s, AV_LOG_ERROR, "ADTS header detected - ADTS will not be incorrectly muxed into LATM\n");
         return AVERROR_INVALIDDATA;
-- 
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