[FFmpeg-devel] SCTE-35 development

[Michael Niedermayer]

On Mon, Dec 29, 2014 at 01:31:18PM +0530, Anshul wrote:
> On December 18, 2014 4:08:56 PM IST, Michael Niedermayer
> <michaelni at gmx.at> wrote:
> >On Wed, Dec 17, 2014 at 11:53:10PM +0530, Anshul wrote:
> >> Hi
> >> 
> >> I was doing development of scte-35  message cue in ffmpeg.
> >> 
> >> I have attached a draft patch.
> >> 
> >> I would like to have some comments of this community.
> >> -Anshul
> >
> >>  libavcodec/Makefile     |    2 ++
> >>  libavcodec/allcodecs.c  |    2 ++
> >>  libavcodec/avcodec.h    |    1 +
> >>  libavcodec/codec_desc.c |    6 ++++++
> >>  libavformat/mpegts.c    |   40
> >+++++++++++++++++++++++++++++++++-------
> >>  5 files changed, 44 insertions(+), 7 deletions(-)
> >> 4b584484a54a78c130c4bbaa48c38551b3ca75fb 
> >0001-trying-muxing-demuxing-of-scte_35-message-cue.patch
> >> From 2ff4edfdeae131df72ea19005eb6ad85d5332f7c Mon Sep 17 00:00:00
> >2001
> >> From: Anshul Maheshwari <anshul.ffmpeg at gmail.com>
> >> Date: Wed, 17 Dec 2014 22:13:10 +0530
> >> Subject: [PATCH] trying muxing demuxing of scte_35 message cue
> >> 
> >> ---
> >>  libavcodec/Makefile     |  2 ++
> >>  libavcodec/allcodecs.c  |  2 ++
> >>  libavcodec/avcodec.h    |  1 +
> >>  libavcodec/codec_desc.c |  6 ++++++
> >>  libavformat/mpegts.c    | 40
> >+++++++++++++++++++++++++++++++++-------
> >>  5 files changed, 44 insertions(+), 7 deletions(-)
> >> 
> >> diff --git a/libavcodec/Makefile b/libavcodec/Makefile
> >> index b35a796..9d2a49f 100644
> >> --- a/libavcodec/Makefile
> >> +++ b/libavcodec/Makefile
> >> @@ -408,6 +408,7 @@ OBJS-$(CONFIG_SAMI_DECODER)            +=
> >samidec.o ass.o
> >>  OBJS-$(CONFIG_S302M_DECODER)           += s302m.o
> >>  OBJS-$(CONFIG_S302M_ENCODER)           += s302menc.o
> >>  OBJS-$(CONFIG_SANM_DECODER)            += sanm.o
> >> +OBJS-$(CONFIG_SCTE_35_DECODER)         += scte_35.o
> >
> >this patch doesnt contain a scte_35.c
> >did you forget git add ?
> >
> >[...]
> 
> I have attached another patch, still its draft.
> I do want some opinion about the approach of this development.
> 
> to use this patch, one can pass below command
> ./ffmpeg -loglevel debug -i ~/test_videos/mpegwithscte35.ts -dcodec
> cue_xml -map 0:0 -f rawvideo some.raw
> 
> There still some issue with this patch, like I have disabled estimate
> timing of all stream since data stream does not have similar timing, i
> will add condition there.
> 
> FFmpeg hangs after running command, it might be because of EOF not
> handled properly, looking at the issue.
> 
> 
> My vision for this patch is that we can add custom advertisement
> if stream have scte-cue.
> 
> This patch might also help end-user to remove advertisements automatically.
> 
> for broadcaster it will help to show advertisement in local language.
> or for local product.
> just now I am very far away from my goal but will not always be.
> 
> 

> This patch have all files which I have developed.

ar: libavcodec/scte_35.o: No such file or directory

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I know you won't believe me, but the highest form of Human Excellence is
to question oneself and others. -- Socrates
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 181 bytes
Desc: Digital signature
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20141229/f0754bf8/attachment.asc>