[vlc-devel] [PATCH 2/5] libmp4: Add function MP4_BoxGetSmooBox()

[Jean-Baptiste Kempf]

OK for me

On Tue, May 22, 2012 at 05:11:09PM +0200, Frédéric Yhuel wrote :
> ---
>  modules/demux/mp4/libmp4.c |   30 ++++++++++++++++++++++++++++++
>  modules/demux/mp4/libmp4.h |    1 +
>  2 files changed, 31 insertions(+)
> 
> diff --git a/modules/demux/mp4/libmp4.c b/modules/demux/mp4/libmp4.c
> index 1058e8f..4c65b93 100644
> --- a/modules/demux/mp4/libmp4.c
> +++ b/modules/demux/mp4/libmp4.c
> @@ -3422,6 +3422,36 @@ void MP4_BoxFree( stream_t *s, MP4_Box_t *p_box )
>      free( p_box );
>  }
>  
> +MP4_Box_t *MP4_BoxGetSmooBox( stream_t *s )
> +{
> +    /* p_chunk is a virtual root container for the smoo box */
> +    MP4_Box_t *p_chunk;
> +    MP4_Box_t *p_smoo;
> +
> +    p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
> +    if( unlikely( p_chunk == NULL ) )
> +        return NULL;
> +
> +    p_chunk->i_type = ATOM_root;
> +    p_chunk->i_shortsize = 1;
> +
> +    p_smoo = MP4_ReadBox( s, p_chunk );
> +    if( !p_smoo || p_smoo->i_type != ATOM_uuid || CmpUUID( &p_smoo->i_uuid, &SmooBoxUUID ) )
> +    {
> +        msg_Warn( s, "no smoo box found!");
> +        goto error;
> +    }
> +
> +    p_chunk->p_first = p_smoo;
> +    p_chunk->p_last = p_smoo;
> +
> +    return p_chunk;
> +
> +error:
> +        free( p_chunk );
> +        return NULL;
> +}
> +
>  MP4_Box_t *MP4_BoxGetInitFrag( stream_t *s )
>  {
>      /* p_chunk is a virtual root container for the ftyp and moov boxes */
> diff --git a/modules/demux/mp4/libmp4.h b/modules/demux/mp4/libmp4.h
> index cf7f779..0775b2a 100644
> --- a/modules/demux/mp4/libmp4.h
> +++ b/modules/demux/mp4/libmp4.h
> @@ -1458,6 +1458,7 @@ static const UUID_t StraBoxUUID = {
>                  { 0xb0, 0x3e, 0xf7, 0x70, 0x33, 0xbd, 0x4b, 0xac,
>                    0x96, 0xc7, 0xbf, 0x25, 0xf9, 0x7e, 0x24, 0x47 } };
>  
> +MP4_Box_t *MP4_BoxGetSmooBox( stream_t * );
>  /*****************************************************************************
>   * MP4_BoxGetInitFrag : Parse the initialization segment.
>   *****************************************************************************
> -- 
> 1.7.9.5
> 
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-- 
Best regards,

-- 
Jean-Baptiste Kempf
http://www.jbkempf.com/ - +33 672 704 734
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