[FFmpeg-devel] Enable stream copy of data

[Michael Niedermayer]

On Sun, Feb 08, 2015 at 10:42:43PM +0530, Anshul wrote:
> 
> On 01/16/2015 07:21 AM, Michael Niedermayer wrote:
> >On Wed, Jan 14, 2015 at 03:11:24PM +0530, Anshul wrote:
> >>Hi
> >>
> >>I have enabled demuxing and muxing path for datat stream
> >>
> >>Please find attachment
> >>
> >>Thanks
> >>Anshul
> >>  ffmpeg.c                |    2 ++
> >>  ffmpeg_opt.c            |   10 ++++++++++
> >>  libavcodec/avcodec.h    |    1 +
> >>  libavcodec/codec_desc.c |    6 ++++++
> >>  libavformat/Makefile    |    1 +
> >>  libavformat/avformat.h  |   17 +++++++++++++++++
> >>  libavformat/format.c    |    2 ++
> >>  libavformat/mpegts.c    |   43 +++++++++++++++++++++++++++++++++++++------
> >>  libavformat/utils.c     |    1 +
> >>  9 files changed, 77 insertions(+), 6 deletions(-)
> >>40306177e8bb3e95b98060f6202b38bb8acba26a  0001-Enable-data-stream-copy.patch
> >> From 99bcdef2bcd9aa5bd18a0a005e0826e22ad2cf63 Mon Sep 17 00:00:00 2001
> >>From: Anshul Maheshwari <anshul.ffmpeg at gmail.com>
> >>Date: Wed, 14 Jan 2015 15:06:50 +0530
> >>Subject: [PATCH] Enable data stream copy
> >>
> >>Signed-off-by: Anshul Maheshwari <anshul.ffmpeg at gmail.com>
> >>---
> >>  ffmpeg.c                |  2 ++
> >>  ffmpeg_opt.c            | 10 ++++++++++
> >>  libavcodec/avcodec.h    |  1 +
> >>  libavcodec/codec_desc.c |  6 ++++++
> >>  libavformat/Makefile    |  1 +
> >>  libavformat/avformat.h  | 17 +++++++++++++++++
> >>  libavformat/format.c    |  2 ++
> >>  libavformat/mpegts.c    | 43 +++++++++++++++++++++++++++++++++++++------
> >>  libavformat/utils.c     |  1 +
> >>  9 files changed, 77 insertions(+), 6 deletions(-)
> >applied the generic data stream handling improvments to libavformat
> >and ffmpeg
> >
> >please update APIChanges
> >
> patch attached.
> >also
> >[...]
> >>@@ -1927,6 +1932,11 @@ static int open_output_file(OptionsContext *o, const char *filename)
> >>                  }
> >>          }
> >>          /* do something with data? */
> >>+        if (!o->data_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA) != AV_CODEC_ID_NONE) {
> >>+            for (i = 0; i < nb_input_streams; i++)
> >>+                if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_DATA)
> >>+                    new_data_stream(o, oc, i);
> >>+        }
> >this probably needs something "more" to work, like we wouldnt
> >want to matchup a data stream with GPS data to a scte_35 stream
> >iam not sure how to best do this though
> >for stream copy the codec_id could be used though i guess
> >
> working on it.
> 
> -Anshul

>  APIchanges |    3 +++
>  1 file changed, 3 insertions(+)
> 27aa0306a051d9daf6ac174dbca6ea4a53db2620  0001-updated-Data-stream-changes-in-APIChange.patch
> From d9bcc7761fe4f7d98be1b518bed95c177e7504cf Mon Sep 17 00:00:00 2001
> From: Anshul Maheshwari <er.anshul.maheshwari at gmail.com>
> Date: Sun, 8 Feb 2015 22:37:07 +0530
> Subject: [PATCH] updated Data stream changes in APIChange

applied

thanks

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In fact, the RIAA has been known to suggest that students drop out
of college or go to community college in order to be able to afford
settlements. -- The RIAA
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