[FFmpeg-devel] [PATCH] Using struct for StyleRecords and implementing support for large boxes(>32 bit) for 3gpp timed text

Michael Niedermayer michaelni at gmx.at
Sun Apr 26 03:26:50 CEST 2015


On Sun, Apr 26, 2015 at 05:31:21AM +0530, Niklesh Lalwani wrote:
> From: Niklesh <niklesh.lalwani at iitb.ac.in>
> 
> This patch uses struct for the Style Records. The pointer to this struct is updated to point to the start of style records in the TextStyleModifierBox. However, in doing this, I get a warning for incompatible pointer type assignment. How to get over this? The patch gives proper outputs though.
> 
> Also, I have added support for large boxes(>32 bit) as per the ISO base media file format. Please let me know if I am doing it wrong.
> 
> Signed-off-by: Niklesh <niklesh.lalwani at iitb.ac.in>
> ---
>  libavcodec/movtextdec.c | 83 ++++++++++++++++++++-----------------------------
>  1 file changed, 33 insertions(+), 50 deletions(-)
> 
> diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c
> index ab4efdb..7eb41b8 100644
> --- a/libavcodec/movtextdec.c
> +++ b/libavcodec/movtextdec.c
> @@ -31,20 +31,28 @@
>  #define STYLE_FLAG_ITALIC       2
>  #define STYLE_FLAG_UNDERLINE    4
>  

> +struct __attribute__((__packed__)) StyleRecord {

you cant do this
attribute packed is not ANSI/ISO C


also the patch doesnt apply

Applying: Using struct for StyleRecords and implementing support for large boxes(>32 bit) for 3gpp timed text
fatal: sha1 information is lacking or useless (libavcodec/movtextdec.c).
Repository lacks necessary blobs to fall back on 3-way merge.
Cannot fall back to three-way merge.
Patch failed at 0001 Using struct for StyleRecords and implementing support for large boxes(>32 bit) for 3gpp timed text
When you have resolved this problem run "git am --resolved".
If you would prefer to skip this patch, instead run "git am --skip".
To restore the original branch and stop patching run "git am --abort".



[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Old school: Use the lowest level language in which you can solve the problem
            conveniently.
New school: Use the highest level language in which the latest supercomputer
            can solve the problem without the user falling asleep waiting.
-------------- 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/20150426/ddfa1285/attachment.asc>


More information about the ffmpeg-devel mailing list