[vlc-devel] [PATCH] added handling of wrong MIME boundary separator to mjpeg demux

[Sergey Radionov]

2012/9/14 Rémi Denis-Courmont <remi at remlab.net>:
> Applying: added handling of wrong MIME boundary separator to mjpeg demux
> error: patch failed: modules/demux/mjpeg.c:351
> error: modules/demux/mjpeg.c: patch does not apply
> Patch failed at 0001 added handling of wrong MIME boundary separator to mjpeg
> demux
>
> Le mardi 11 septembre 2012 17:38:52, Sergey Radionov a écrit :
>> ---
>>  modules/demux/mjpeg.c |   53
>> ++++++++++++++++++++++++------------------------- 1 files changed, 26
>> insertions(+), 27 deletions(-)
>>
>> diff --git a/modules/demux/mjpeg.c b/modules/demux/mjpeg.c
>> index a057db3..b6c7445 100644
>> --- a/modules/demux/mjpeg.c
>> +++ b/modules/demux/mjpeg.c
>> @@ -193,33 +193,8 @@ static bool CheckMimeHeader( demux_t *p_demux, int
>> *p_header_size ) if( strncmp( (char *)p_sys->p_peek, "--", 2 ) != 0
>>          && strncmp( (char *)p_sys->p_peek, "\r\n--", 4 ) != 0 )
>>      {
>> -        /* Some broken stream may lack the first boundary */
>> -        if ( p_sys->psz_separator == NULL )
>> -        {
>> -            msg_Warn( p_demux, "Malformed stream. Trying to work around");
>> -            char *content_type = stream_ContentType( p_demux->s );
>> -            if ( content_type == NULL )
>> -                return false;
>> -            const char* boundary = strstr( content_type, "boundary=--" );
>> -            if ( boundary != NULL )
>> -            {
>> -                p_sys->psz_separator = strdup( boundary + strlen(
>> "boundary=--" ) ); -                msg_Dbg( p_demux, "Video boundary
>> extracted from Content-Type: %s", p_sys->psz_separator ); -
>> free( content_type );
>> -                /* Skip to HTTP header parsing as there's no boundary to
>> extract -                 * from the stream */
>> -            }
>> -            else
>> -            {
>> -                free( content_type );
>> -                return false;
>> -            }
>> -        }
>> -        else
>> -        {
>> -            *p_header_size = 0;
>> -            return false;
>> -        }
>> +        *p_header_size = 0;
>> +        return false;
>>      }
>>      else
>>      {
>> @@ -351,6 +326,22 @@ static int Open( vlc_object_t * p_this )
>>          goto error;
>>      }
>>
>> +    char *content_type = stream_ContentType( p_demux->s );
>> +    if ( content_type )
>> +    {
>> +        //FIXME: this is not fully match to RFC
>> +        char* boundary = strstr( content_type, "boundary=" );
>> +        if( boundary )
>> +        {
>> +            p_sys->psz_separator = strdup( boundary + strlen("boundary=")
>> ); +            if( !p_sys->psz_separator ) {
>> +                free( content_type );
>> +                goto error;
>> +            }
>> +        }
>> +        free( content_type );
>> +    }
>> +
>>      b_matched = CheckMimeHeader( p_demux, &i_size);
>>      if( b_matched )
>>      {
>> @@ -409,6 +400,7 @@ static int Open( vlc_object_t * p_this )
>>      return VLC_SUCCESS;
>>
>>  error:
>> +    free( p_sys->psz_separator );
>>      free( p_sys );
>>      return VLC_EGENERIC;
>>  }
>> @@ -532,6 +524,13 @@ static int MimeDemux( demux_t *p_demux )
>>          {
>>              break;
>>          }
>> +        //sometimes in Content-Type the boundary is defined something like
>> "--video boundary--" +        else if( !strncmp( p_sys->psz_separator,
>> "--", 2 ) &&
>> +                 !strncmp( p_sys->psz_separator, (char *)(p_sys->p_peek +
>> i), +                 strlen( p_sys->psz_separator ) ) )
>> +        {
>> +            break;
>> +        }
>>
>>          i++;
>>          i_size++;
>
> --
> Rémi Denis-Courmont
> http://www.remlab.net/
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> vlc-devel mailing list
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yep, it was 2 patches from you I didn't see... ok, will make new version.