[Libav-user] mpegts demuxer resync method
selfuser at gmail.com
Tue Jul 10 12:04:21 EEST 2018
I have an application that uses the ffmpeg code. (application is in C++)
my input is a file with TS packets (video stream)
I am using the code in the /doc/examples supplied with ffmpeg source code.
I need to check the TS packets data.
for this, I am using the mpegts.c code for demuxing.
specifically at the function:
/* handle one TS packet */
static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
Now I have some problems here.
First, I wanted to check that I am not missing any TS packets, so I write
to a file all the packets when entering to the handle_packet()method.
1. problem - I see that the output file is bigger than the input source
file!!?, how come?
2. I tried to follow what is the reason, and I saw that there is a use in
mpegts_resync(), why there is a use in this function? I check my input with
hex editor, and there are no missing sync bytes (0x47)
I think that the resync process adding some wrong TS packets, to my
original input source, and I fail to test the TS packets
how to fix it?
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