[FFmpeg-devel] [PATCH] MOV YUV2 fourcc -> PIX_FMT_YUYV422 mapping

Michael Niedermayer michaelni
Tue Mar 31 17:40:47 CEST 2009


On Tue, Mar 31, 2009 at 10:10:28AM +0530, Jai Menon wrote:
> On Mon, Mar 30, 2009 at 11:01 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
[...]
> revised patch attached.
> -- 
> Regards,
> 
> Jai

> Index: libavcodec/rawenc.c
> ===================================================================
> --- libavcodec/rawenc.c	(revision 17944)
> +++ libavcodec/rawenc.c	(working copy)
> @@ -40,8 +40,20 @@
>  static int raw_encode(AVCodecContext *avctx,
>                              unsigned char *frame, int buf_size, void *data)
>  {
> -    return avpicture_layout((AVPicture *)data, avctx->pix_fmt, avctx->width,
> +    int ret = avpicture_layout((AVPicture *)data, avctx->pix_fmt, avctx->width,
>                                                 avctx->height, frame, buf_size);
> +

> +    if(avctx->codec_tag == MKTAG('y', 'u', 'v', '2') && (ret > 0) &&
> +       (avctx->pix_fmt == PIX_FMT_YUYV422)) {

superflous ()
AV_RL32("yuv2")


> +        int x, y;
> +        uint8_t *line = frame;
> +        for(y = 0; y < avctx->height; y++) {
> +            for(x = 0; x < avctx->width; x++)
> +                line[2*x + 1] ^= 0x80;
> +            line += avctx->width;
> +        }
> +    }
> +    return ret;
>  }
>  
>  AVCodec rawvideo_encoder = {

> Index: libavcodec/rawdec.c
> ===================================================================
> --- libavcodec/rawdec.c	(revision 17944)
> +++ libavcodec/rawdec.c	(working copy)
> @@ -144,6 +144,16 @@
>          picture->data[2] = tmp;
>      }
>  
> +    if(avctx->codec_tag == MKTAG('y', 'u', 'v', '2')) {

this too shoulld check pix_fmt i think


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

If you think the mosad wants you dead since a long time then you are either
wrong or dead since a long time.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20090331/c1ad3c75/attachment.pgp>



More information about the ffmpeg-devel mailing list