diff options
Diffstat (limited to 'vidix/vidix.c')
| -rw-r--r-- | vidix/vidix.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/vidix/vidix.c b/vidix/vidix.c new file mode 100644 index 0000000000..f5da49da7f --- /dev/null +++ b/vidix/vidix.c @@ -0,0 +1,179 @@ +/* + * VIDIX - VIDeo Interface for *niX. + * + * This interface is introduced as universal one to MPEG decoder, + * Back End Scaler (BES) and YUV2RGB hw accelerators. + * + * In the future it may be expanded up to capturing and audio things. + * Main goal of this this interface imlpementation is providing DGA + * everywhere where it's possible (unlike X11 and other). + * + * This interface is based on v4l2, fbvid.h, mga_vid.h projects + * and personally my ideas. + * + * NOTE: This interface is introduced as driver interface. + * + * Copyright (C) 2002 Nick Kurshev + * Copyright (C) 2007 Benjamin Zores <ben@geexbox.org> + * + * 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 <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> + +#include "config.h" +#include "vidix.h" +#include "drivers.h" +#include "libavutil/common.h" +#include "mpbswap.h" + +VDXContext *vdlOpen(const char *name,unsigned cap,int verbose) +{ + VDXContext *ctx; + + if (!(ctx = malloc (sizeof (VDXContext)))) + return NULL; + memset (ctx, 0, sizeof (VDXContext)); + + /* register all drivers */ + vidix_register_all_drivers (); + + if (!vidix_find_driver (ctx, name, cap, verbose)) + { + free (ctx); + return NULL; + } + + if (verbose) + printf ("vidixlib: will use %s driver\n", ctx->drv->name); + + if (!ctx->drv || !ctx->drv->init) + { + if (verbose) + printf ("vidixlib: Can't init driver\n"); + free (ctx); + return NULL; + } + + if (verbose) + printf ("vidixlib: Attempt to initialize driver at: %p\n", + ctx->drv->init); + + if (ctx->drv->init () !=0) + { + if (verbose) + printf ("vidixlib: Can't init driver\n"); + free (ctx); + return NULL; + } + + if (verbose) + printf("vidixlib: '%s'successfully loaded\n", ctx->drv->name); + + return ctx; +} + +void vdlClose(VDXContext *ctx) +{ + if (ctx->drv->destroy) + ctx->drv->destroy (); + + memset (ctx, 0, sizeof (VDXContext)); /* <- it's not stupid */ + free (ctx); +} + +int vdlGetCapability(VDXContext *ctx, vidix_capability_t *cap) +{ + return ctx->drv->get_caps (cap); +} + +#define MPLAYER_IMGFMT_RGB (('R'<<24)|('G'<<16)|('B'<<8)) +#define MPLAYER_IMGFMT_BGR (('B'<<24)|('G'<<16)|('R'<<8)) +#define MPLAYER_IMGFMT_RGB_MASK 0xFFFFFF00 + +static uint32_t normalize_fourcc (uint32_t fourcc) +{ + if((fourcc & MPLAYER_IMGFMT_RGB_MASK) == (MPLAYER_IMGFMT_RGB|0) || + (fourcc & MPLAYER_IMGFMT_RGB_MASK) == (MPLAYER_IMGFMT_BGR|0)) + return bswap_32(fourcc); + return fourcc; +} + +int vdlQueryFourcc (VDXContext *ctx, vidix_fourcc_t *f) +{ + f->fourcc = normalize_fourcc(f->fourcc); + return ctx->drv->query_fourcc (f); +} + +int vdlConfigPlayback (VDXContext *ctx, vidix_playback_t *p) +{ + p->fourcc = normalize_fourcc(p->fourcc); + return ctx->drv->config_playback (p); +} + +int vdlPlaybackOn (VDXContext *ctx) +{ + return ctx->drv->playback_on (); +} + +int vdlPlaybackOff (VDXContext *ctx) +{ + return ctx->drv->playback_off (); +} + +int vdlPlaybackFrameSelect (VDXContext *ctx, unsigned frame_idx) +{ + return ctx->drv->frame_sel ? ctx->drv->frame_sel (frame_idx) : ENOSYS; +} + +int vdlPlaybackGetEq (VDXContext *ctx, vidix_video_eq_t *e) +{ + return ctx->drv->get_eq ? ctx->drv->get_eq (e) : ENOSYS; +} + +int vdlPlaybackSetEq (VDXContext *ctx, const vidix_video_eq_t *e) +{ + return ctx->drv->set_eq ? ctx->drv->set_eq (e) : ENOSYS; +} + +int vdlPlaybackCopyFrame (VDXContext *ctx, const vidix_dma_t *f) +{ + return ctx->drv->copy_frame ? ctx->drv->copy_frame (f) : ENOSYS; +} + +int vdlGetGrKeys (VDXContext *ctx, vidix_grkey_t *k) +{ + return ctx->drv->get_gkey ? ctx->drv->get_gkey (k) : ENOSYS; +} + +int vdlSetGrKeys (VDXContext *ctx, const vidix_grkey_t *k) +{ + return ctx->drv->set_gkey ? ctx->drv->set_gkey (k) : ENOSYS; +} + +int vdlPlaybackGetDeint (VDXContext *ctx, vidix_deinterlace_t *d) +{ + return ctx->drv->get_deint ? ctx->drv->get_deint (d) : ENOSYS; +} + +int vdlPlaybackSetDeint (VDXContext *ctx, const vidix_deinterlace_t *d) +{ + return ctx->drv->set_deint ? ctx->drv->set_deint (d) : ENOSYS; +} |