diff options
Diffstat (limited to 'libmpcodecs/vd_theora.c')
| -rw-r--r-- | libmpcodecs/vd_theora.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/libmpcodecs/vd_theora.c b/libmpcodecs/vd_theora.c deleted file mode 100644 index ba3c0d5d86..0000000000 --- a/libmpcodecs/vd_theora.c +++ /dev/null @@ -1,207 +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 <stdarg.h> -#include <assert.h> - -#include <libavutil/intreadwrite.h> - -#include "config.h" -#include "mp_msg.h" - -#include "vd_internal.h" - - -static const vd_info_t info = { - "Theora/VP3", - "theora", - "David Kuehling", - "www.theora.org", - "Theora project's VP3 codec" -}; - -LIBVD_EXTERN(theora) - -#include <theora/theora.h> - -#define THEORA_NUM_HEADER_PACKETS 3 - -typedef struct theora_struct_st { - theora_state st; - theora_comment cc; - theora_info inf; -} theora_struct_t; - -/** Convert Theora pixelformat to the corresponding IMGFMT_ */ -static uint32_t theora_pixelformat2imgfmt(theora_pixelformat fmt){ - switch(fmt) { - case OC_PF_420: return IMGFMT_YV12; - case OC_PF_422: return IMGFMT_422P; - case OC_PF_444: return IMGFMT_444P; - } - return 0; -} - -// to set/get/query special features/parameters -static int control(sh_video_t *sh,int cmd,void* arg,...){ - theora_struct_t *context = sh->context; - switch(cmd) { - case VDCTRL_QUERY_FORMAT: - if (*(int*)arg == theora_pixelformat2imgfmt(context->inf.pixelformat)) - return CONTROL_TRUE; - return CONTROL_FALSE; - } - - return CONTROL_UNKNOWN; -} - -/* - * init driver - */ -static int init(sh_video_t *sh){ - theora_struct_t *context = NULL; - uint8_t *extradata = (uint8_t *)(sh->bih + 1); - int extradata_size = sh->bih->biSize - sizeof(*sh->bih); - int errorCode = 0; - ogg_packet op; - int i; - - context = calloc (sizeof (theora_struct_t), 1); - sh->context = context; - if (!context) - goto err_out; - - theora_info_init(&context->inf); - theora_comment_init(&context->cc); - - /* Read all header packets, pass them to theora_decode_header. */ - for (i = 0; i < THEORA_NUM_HEADER_PACKETS; i++) - { - if (extradata_size > 2) { - op.bytes = AV_RB16(extradata); - op.packet = extradata + 2; - op.b_o_s = 1; - if (extradata_size < op.bytes + 2) { - mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Theora header too small\n"); - goto err_out; - } - extradata += op.bytes + 2; - extradata_size -= op.bytes + 2; - } else { - op.bytes = ds_get_packet (sh->ds, &op.packet); - op.b_o_s = 1; - } - - if ( (errorCode = theora_decode_header (&context->inf, &context->cc, &op)) ) - { - mp_msg(MSGT_DECVIDEO, MSGL_ERR, "Broken Theora header; errorCode=%i!\n", errorCode); - goto err_out; - } - } - - /* now init codec */ - errorCode = theora_decode_init (&context->st, &context->inf); - if (errorCode) - { - mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Theora decode init failed: %i \n", errorCode); - goto err_out; - } - - if(sh->aspect==0.0 && context->inf.aspect_denominator!=0) - { - sh->aspect = ((double)context->inf.aspect_numerator * context->inf.width)/ - ((double)context->inf.aspect_denominator * context->inf.height); - } - - mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Theora video init ok!\n"); - mp_msg(MSGT_DECVIDEO,MSGL_INFO,"Frame: %dx%d, Picture %dx%d, Offset [%d,%d]\n", context->inf.width, context->inf.height, context->inf.frame_width, context->inf.frame_height, context->inf.offset_x, context->inf.offset_y); - - return mpcodecs_config_vo (sh,context->inf.width,context->inf.height,theora_pixelformat2imgfmt(context->inf.pixelformat)); - -err_out: - free(context); - sh->context = NULL; - return 0; -} - -/* - * uninit driver - */ -static void uninit(sh_video_t *sh) -{ - theora_struct_t *context = sh->context; - - if (context) - { - theora_info_clear(&context->inf); - theora_comment_clear(&context->cc); - theora_clear (&context->st); - free (context); - } -} - -/* - * decode frame - */ -static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags) -{ - theora_struct_t *context = sh->context; - int errorCode = 0; - ogg_packet op; - yuv_buffer yuv; - mp_image_t* mpi; - - // no delayed frames - if (!data || !len) - return NULL; - - memset (&op, 0, sizeof (op)); - op.bytes = len; - op.packet = data; - op.granulepos = -1; - - errorCode = theora_decode_packetin (&context->st, &op); - if (errorCode) - { - mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Theora decode packetin failed: %i \n", - errorCode); - return NULL; - } - - errorCode = theora_decode_YUVout (&context->st, &yuv); - if (errorCode) - { - mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Theora decode YUVout failed: %i \n", - errorCode); - return NULL; - } - - mpi = mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, yuv.y_width, yuv.y_height); - if(!mpi) return NULL; - - mpi->planes[0]=yuv.y; - mpi->stride[0]=yuv.y_stride; - mpi->planes[1]=yuv.u; - mpi->stride[1]=yuv.uv_stride; - mpi->planes[2]=yuv.v; - mpi->stride[2]=yuv.uv_stride; - - return mpi; -} |