diff options
Diffstat (limited to 'libmpcodecs/vd_lzo.c')
| -rw-r--r-- | libmpcodecs/vd_lzo.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/libmpcodecs/vd_lzo.c b/libmpcodecs/vd_lzo.c deleted file mode 100644 index fb926895cc..0000000000 --- a/libmpcodecs/vd_lzo.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> - -#include "config.h" -#include "mp_msg.h" - -#include "vd_internal.h" -#include "libavutil/lzo.h" - -#define MOD_NAME "DecLZO" - -static const vd_info_t info = { - "LZO compressed Video", - "lzo", - "Tilmann Bitterberg", - "Transcode development team <http://www.theorie.physik.uni-goettingen.de/~ostreich/transcode/>", - "based on liblzo: http://www.oberhumer.com/opensource/lzo/" -}; - -LIBVD_EXTERN(lzo) - -typedef struct { - uint8_t *buffer; - int bufsz; - int codec; -} lzo_context_t; - -// to set/get/query special features/parameters -static int control (sh_video_t *sh, int cmd, void* arg, ...) -{ - lzo_context_t *priv = sh->context; - switch(cmd){ - case VDCTRL_QUERY_FORMAT: - if (*(int *)arg == priv->codec) return CONTROL_TRUE; - return CONTROL_FALSE; - } - return CONTROL_UNKNOWN; -} - - -// init driver -static int init(sh_video_t *sh) -{ - lzo_context_t *priv; - - if (sh->bih->biSizeImage <= 0) { - mp_msg (MSGT_DECVIDEO, MSGL_ERR, "[%s] Invalid frame size\n", MOD_NAME); - return 0; - } - - priv = malloc(sizeof(lzo_context_t)); - if (!priv) - { - mp_msg (MSGT_DECVIDEO, MSGL_ERR, "[%s] memory allocation failed\n", MOD_NAME); - return 0; - } - priv->bufsz = sh->bih->biSizeImage; - priv->buffer = malloc(priv->bufsz + AV_LZO_OUTPUT_PADDING); - priv->codec = -1; - sh->context = priv; - - return 1; -} - -// uninit driver -static void uninit(sh_video_t *sh) -{ - lzo_context_t *priv = sh->context; - - if (priv) - { - free(priv->buffer); - free(priv); - } - - sh->context = NULL; -} - -// decode a frame -static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags) -{ - int r; - mp_image_t* mpi; - lzo_context_t *priv = sh->context; - int w = priv->bufsz; - - if (len <= 0) { - return NULL; // skipped frame - } - - r = av_lzo1x_decode(priv->buffer, &w, data, &len); - if (r) { - /* this should NEVER happen */ - mp_msg (MSGT_DECVIDEO, MSGL_ERR, - "[%s] internal error - decompression failed: %d\n", MOD_NAME, r); - return NULL; - } - - if (priv->codec == -1) { - // detect RGB24 vs. YV12 via decoded size - mp_msg (MSGT_DECVIDEO, MSGL_V, "[%s] 2 depth %d, format %d data %p len (%d) (%d)\n", - MOD_NAME, sh->bih->biBitCount, sh->format, data, len, sh->bih->biSizeImage - ); - - if (w == 0) { - priv->codec = IMGFMT_BGR24; - mp_msg (MSGT_DECVIDEO, MSGL_V, "[%s] codec chosen is BGR24\n", MOD_NAME); - } else if (w == (sh->bih->biSizeImage)/2) { - priv->codec = IMGFMT_YV12; - mp_msg (MSGT_DECVIDEO, MSGL_V, "[%s] codec chosen is YV12\n", MOD_NAME); - } else { - priv->codec = -1; - mp_msg(MSGT_DECVIDEO,MSGL_ERR,"[%s] Unsupported out_fmt\n", MOD_NAME); - return NULL; - } - - if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,priv->codec)) { - priv->codec = -1; - return NULL; - } - } - - mpi = mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, - sh->disp_w, sh->disp_h); - - - if (!mpi) { - mp_msg (MSGT_DECVIDEO, MSGL_ERR, "[%s] mpcodecs_get_image failed\n", MOD_NAME); - return NULL; - } - - mpi->planes[0] = priv->buffer; - if (priv->codec == IMGFMT_BGR24) - mpi->stride[0] = 3 * sh->disp_w; - else { - mpi->stride[0] = sh->disp_w; - mpi->planes[2] = priv->buffer + sh->disp_w*sh->disp_h; - mpi->stride[2] = sh->disp_w / 2; - mpi->planes[1] = priv->buffer + sh->disp_w*sh->disp_h*5/4; - mpi->stride[1] = sh->disp_w / 2; - } - - mp_msg (MSGT_DECVIDEO, MSGL_DBG2, - "[%s] decompressed %lu bytes into %lu bytes\n", MOD_NAME, - (long) len, (long)w); - - return mpi; -} |