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Diffstat (limited to 'libmpcodecs/vd_libmpeg2.c')
-rw-r--r--libmpcodecs/vd_libmpeg2.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/libmpcodecs/vd_libmpeg2.c b/libmpcodecs/vd_libmpeg2.c
deleted file mode 100644
index c686ad67a4..0000000000
--- a/libmpcodecs/vd_libmpeg2.c
+++ /dev/null
@@ -1,314 +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 "options.h"
-#include "mp_msg.h"
-
-#include "vd_internal.h"
-
-//#undef MPEG12_POSTPROC
-
-static const vd_info_t info =
-{
- "libmpeg2 MPEG 1/2 Video decoder",
- "libmpeg2",
- "A'rpi & Fabian Franz",
- "Aaron & Walken",
- "native"
-};
-
-LIBVD_EXTERN(libmpeg2)
-
-//#include "libvo/video_out.h" // FIXME!!!
-
-#include "libmpeg2/mpeg2.h"
-#include "libmpeg2/attributes.h"
-#include "libmpeg2/mpeg2_internal.h"
-
-#include "cpudetect.h"
-
-typedef struct {
- mpeg2dec_t *mpeg2dec;
- int quant_store_idx;
- char *quant_store[3];
- int imgfmt;
- int width;
- int height;
- double aspect;
-} vd_libmpeg2_ctx_t;
-
-// to set/get/query special features/parameters
-static int control(sh_video_t *sh,int cmd,void* arg,...){
- vd_libmpeg2_ctx_t *context = sh->context;
- mpeg2dec_t * mpeg2dec = context->mpeg2dec;
- const mpeg2_info_t * info = mpeg2_info (mpeg2dec);
-
- switch(cmd) {
- case VDCTRL_QUERY_FORMAT:
- if (info->sequence->width >> 1 == info->sequence->chroma_width &&
- info->sequence->height >> 1 == info->sequence->chroma_height &&
- (*((int*)arg)) == IMGFMT_YV12)
- return CONTROL_TRUE;
- if (info->sequence->width >> 1 == info->sequence->chroma_width &&
- info->sequence->height == info->sequence->chroma_height &&
- (*((int*)arg)) == IMGFMT_422P)
- return CONTROL_TRUE;
- return CONTROL_FALSE;
- }
-
- return CONTROL_UNKNOWN;
-}
-
-// init driver
-static int init(sh_video_t *sh){
- vd_libmpeg2_ctx_t *context;
- mpeg2dec_t * mpeg2dec;
-// const mpeg2_info_t * info;
- int accel;
-
- accel = 0;
- if(gCpuCaps.hasMMX)
- accel |= MPEG2_ACCEL_X86_MMX;
- if(gCpuCaps.hasMMX2)
- accel |= MPEG2_ACCEL_X86_MMXEXT;
- if(gCpuCaps.has3DNow)
- accel |= MPEG2_ACCEL_X86_3DNOW;
- if(gCpuCaps.hasSSE2)
- accel |= MPEG2_ACCEL_X86_SSE2;
- if(gCpuCaps.hasAltiVec)
- accel |= MPEG2_ACCEL_PPC_ALTIVEC;
- #if ARCH_ALPHA
- accel |= MPEG2_ACCEL_ALPHA;
- #elif ARCH_ARM
- accel |= MPEG2_ACCEL_ARM;
- #endif
- #if HAVE_MVI
- accel |= MPEG2_ACCEL_ALPHA_MVI;
- #elif HAVE_VIS
- accel |= MPEG2_ACCEL_SPARC_VIS;
- #endif
- mpeg2_accel(accel);
-
- mpeg2dec = mpeg2_init ();
-
- if(!mpeg2dec) return 0;
-
- mpeg2_custom_fbuf(mpeg2dec,1); // enable DR1
-
- context = calloc(1, sizeof(vd_libmpeg2_ctx_t));
- context->mpeg2dec = mpeg2dec;
- sh->context = context;
-
- mpeg2dec->pending_buffer = 0;
- mpeg2dec->pending_length = 0;
-
- return 1;
-}
-
-// uninit driver
-static void uninit(sh_video_t *sh){
- int i;
- vd_libmpeg2_ctx_t *context = sh->context;
- mpeg2dec_t * mpeg2dec = context->mpeg2dec;
- free(mpeg2dec->pending_buffer);
- mpeg2dec->decoder.convert=NULL;
- mpeg2dec->decoder.convert_id=NULL;
- mpeg2_close (mpeg2dec);
- for (i=0; i < 3; i++)
- free(context->quant_store[i]);
- free(sh->context);
-}
-
-static void draw_slice (void * _sh, uint8_t * const * src, unsigned int y){
- sh_video_t* sh = (sh_video_t*) _sh;
- vd_libmpeg2_ctx_t *context = sh->context;
- mpeg2dec_t* mpeg2dec = context->mpeg2dec;
- const mpeg2_info_t * info = mpeg2_info (mpeg2dec);
- int stride[MP_MAX_PLANES] = {mpeg2dec->decoder.stride, mpeg2dec->decoder.uv_stride, mpeg2dec->decoder.uv_stride};
- uint8_t *srcs[MP_MAX_PLANES] = {src[0], src[1], src[2]};
-
-// printf("draw_slice() y=%d \n",y);
-
- mpcodecs_draw_slice(sh, srcs,
- stride, info->sequence->picture_width,
- (y+16<=info->sequence->picture_height) ? 16 :
- info->sequence->picture_height-y,
- 0, y);
-}
-
-// decode a frame
-static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
- vd_libmpeg2_ctx_t *context = sh->context;
- mpeg2dec_t * mpeg2dec = context->mpeg2dec;
- const mpeg2_info_t * info = mpeg2_info (mpeg2dec);
- int drop_frame, framedrop=flags&3;
-
- // MPlayer registers its own draw_slice callback, prevent libmpeg2 from freeing the context
- mpeg2dec->decoder.convert=NULL;
- mpeg2dec->decoder.convert_id=NULL;
-
- if(len<=0) return NULL; // skipped null frame
-
- // append extra 'end of frame' code:
- ((char*)data+len)[0]=0;
- ((char*)data+len)[1]=0;
- ((char*)data+len)[2]=1;
- ((char*)data+len)[3]=0xff;
- len+=4;
-
- if (mpeg2dec->pending_length) {
- mpeg2_buffer (mpeg2dec, mpeg2dec->pending_buffer, mpeg2dec->pending_buffer + mpeg2dec->pending_length);
- } else {
- mpeg2_buffer (mpeg2dec, data, (uint8_t *)data+len);
- }
-
- while(1){
- int state=mpeg2_parse (mpeg2dec);
- int type, use_callback;
- mp_image_t* mpi_new;
- unsigned long pw, ph;
- int imgfmt;
-
- switch(state){
- case STATE_BUFFER:
- if (mpeg2dec->pending_length) {
- // just finished the pending data, continue with processing of the passed buffer
- mpeg2dec->pending_length = 0;
- mpeg2_buffer (mpeg2dec, data, (uint8_t *)data+len);
- } else {
- // parsing of the passed buffer finished, return.
- return 0;
- }
- break;
- case STATE_SEQUENCE:
- pw = info->sequence->display_width * info->sequence->pixel_width;
- ph = info->sequence->display_height * info->sequence->pixel_height;
- if(ph) sh->aspect = (float) pw / (float) ph;
- // video parameters initialized/changed, (re)init libvo:
- if (info->sequence->width >> 1 == info->sequence->chroma_width &&
- info->sequence->height >> 1 == info->sequence->chroma_height) {
- imgfmt = IMGFMT_YV12;
- } else if (info->sequence->width >> 1 == info->sequence->chroma_width &&
- info->sequence->height == info->sequence->chroma_height) {
- imgfmt = IMGFMT_422P;
- } else return 0;
- if (imgfmt == context->imgfmt &&
- info->sequence->picture_width == context->width &&
- info->sequence->picture_height == context->height &&
- sh->aspect == context->aspect)
- break;
- if(!mpcodecs_config_vo(sh,
- info->sequence->picture_width,
- info->sequence->picture_height, imgfmt))
- return 0;
- context->imgfmt = imgfmt;
- context->width = info->sequence->picture_width;
- context->height = info->sequence->picture_height;
- context->aspect = sh->aspect;
- break;
- case STATE_PICTURE:
- type=info->current_picture->flags&PIC_MASK_CODING_TYPE;
-
- drop_frame = framedrop && (mpeg2dec->decoder.coding_type == B_TYPE);
- drop_frame |= framedrop>=2; // hard drop
- if (drop_frame) {
- mpeg2_skip(mpeg2dec, 1);
- //printf("Dropping Frame ...\n");
- break;
- }
- mpeg2_skip(mpeg2dec, 0); //mpeg2skip skips frames until set again to 0
-
- use_callback = (!framedrop && sh->opts->vd_use_slices &&
- (info->current_picture->flags&PIC_FLAG_PROGRESSIVE_FRAME)) ?
- MP_IMGFLAG_DRAW_CALLBACK:0;
-
- // get_buffer "callback":
- mpi_new=mpcodecs_get_image(sh,MP_IMGTYPE_IPB,
- (type==PIC_FLAG_CODING_TYPE_B) ?
- use_callback : (MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE),
- info->sequence->width,
- info->sequence->height);
-
- if(!mpi_new) return 0; // VO ERROR!!!!!!!!
- mpeg2_set_buf(mpeg2dec, mpi_new->planes, mpi_new);
- mpi_new->stride[0] = info->sequence->width;
- mpi_new->stride[1] = info->sequence->chroma_width;
- mpi_new->stride[2] = info->sequence->chroma_width;
- if (info->current_picture->flags&PIC_FLAG_TOP_FIELD_FIRST)
- mpi_new->fields |= MP_IMGFIELD_TOP_FIRST;
- else mpi_new->fields &= ~MP_IMGFIELD_TOP_FIRST;
- if (info->current_picture->flags&PIC_FLAG_REPEAT_FIRST_FIELD)
- mpi_new->fields |= MP_IMGFIELD_REPEAT_FIRST;
- else mpi_new->fields &= ~MP_IMGFIELD_REPEAT_FIRST;
- mpi_new->fields |= MP_IMGFIELD_ORDERED;
- if (!(info->current_picture->flags&PIC_FLAG_PROGRESSIVE_FRAME))
- mpi_new->fields |= MP_IMGFIELD_INTERLACED;
-
-#ifdef MPEG12_POSTPROC
- mpi_new->qstride=info->sequence->width>>4;
- {
- char **p = &context->quant_store[type==PIC_FLAG_CODING_TYPE_B ?
- 2 : (context->quant_store_idx ^= 1)];
- *p = realloc(*p, mpi_new->qstride*(info->sequence->height>>4));
- mpi_new->qscale = *p;
- }
- mpeg2dec->decoder.quant_store=mpi_new->qscale;
- mpeg2dec->decoder.quant_stride=mpi_new->qstride;
- mpi_new->pict_type=type; // 1->I, 2->P, 3->B
- mpi_new->qscale_type= 1;
-#endif
-
- if (mpi_new->flags&MP_IMGFLAG_DRAW_CALLBACK
- && !(mpi_new->flags&MP_IMGFLAG_DIRECT)) {
- // nice, filter/vo likes draw_callback :)
- mpeg2dec->decoder.convert=draw_slice;
- mpeg2dec->decoder.convert_id=sh;
- } else {
- mpeg2dec->decoder.convert=NULL;
- mpeg2dec->decoder.convert_id=NULL;
- }
-
- break;
- case STATE_SLICE:
- case STATE_END:
- case STATE_INVALID_END:
- // decoding done:
- if(info->display_fbuf) {
- mp_image_t* mpi = info->display_fbuf->id;
- if (mpeg2dec->pending_length == 0) {
- mpeg2dec->pending_length = mpeg2dec->buf_end - mpeg2dec->buf_start;
- mpeg2dec->pending_buffer = realloc(mpeg2dec->pending_buffer, mpeg2dec->pending_length);
- memcpy(mpeg2dec->pending_buffer, mpeg2dec->buf_start, mpeg2dec->pending_length);
- } else {
- // still some data in the pending buffer, shouldn't happen
- mpeg2dec->pending_length = mpeg2dec->buf_end - mpeg2dec->buf_start;
- memmove(mpeg2dec->pending_buffer, mpeg2dec->buf_start, mpeg2dec->pending_length);
- mpeg2dec->pending_buffer = realloc(mpeg2dec->pending_buffer, mpeg2dec->pending_length + len);
- memcpy(mpeg2dec->pending_buffer+mpeg2dec->pending_length, data, len);
- mpeg2dec->pending_length += len;
- }
-// fprintf(stderr, "pending = %d\n", mpeg2dec->pending_length);
- return mpi;
- }
- }
- }
-}
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