+++ /dev/null
-/*****************************************************************************
- * hwdummy.c: dummy hardware decoding acceleration plugin for VLC/libav
- *****************************************************************************
- * Copyright (C) 2013 Rémi Denis-Courmont
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This program 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 Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <string.h>
-#include <stdlib.h>
-#include <assert.h>
-
-#include <libavutil/mem.h>
-#include <libavcodec/avcodec.h>
-#include <libavcodec/vdpau.h>
-#include <vlc_common.h>
-#include <vlc_plugin.h>
-#include <vlc_fourcc.h>
-#include <vlc_picture.h>
-#include "../../codec/avcodec/va.h"
-
-static int Open(vlc_va_t *, AVCodecContext *, const es_format_t *);
-static void Close(vlc_va_t *);
-
-vlc_module_begin()
- set_description(N_("Dummy video decoder"))
- set_capability("hw decoder", 0)
- set_category(CAT_INPUT)
- set_subcategory(SUBCAT_INPUT_VCODEC)
- set_callbacks(Open, Close)
- add_shortcut("dummy")
-vlc_module_end()
-
-#define DECODER_MAGIC 0xdec0dea0
-#define DATA_MAGIC 0xda1a0000
-#define OPAQUE_MAGIC 0x0da00e00
-
-static int Lock(vlc_va_t *va, void **opaque, uint8_t **data)
-{
- *data = (void *)(uintptr_t)DATA_MAGIC;
- *opaque = (void *)(uintptr_t)OPAQUE_MAGIC;
- (void) va;
- return VLC_SUCCESS;
-}
-
-static void Unlock(void *opaque, uint8_t *data)
-{
- assert((uintptr_t)opaque == OPAQUE_MAGIC);
- assert((uintptr_t)data == DATA_MAGIC);
-}
-
-static VdpStatus Render(VdpDecoder decoder, VdpVideoSurface target,
- VdpPictureInfo const *picture_info,
- uint32_t bitstream_buffer_count,
- VdpBitstreamBuffer const *bitstream_buffers)
-{
- (void) decoder; (void) target; (void) picture_info;
- (void) bitstream_buffer_count; (void) bitstream_buffers;
- assert(decoder == DECODER_MAGIC);
- assert(target == DATA_MAGIC);
- return VDP_STATUS_OK;
-}
-
-static int Copy(vlc_va_t *va, picture_t *pic, void *opaque, uint8_t *data)
-{
- (void) va;
-
- assert((uintptr_t)opaque == OPAQUE_MAGIC);
- assert((uintptr_t)data == DATA_MAGIC);
-
- /* Put some dummy picture content */
- memset(pic->p[0].p_pixels, 0xF0,
- pic->p[0].i_pitch * pic->p[0].i_visible_lines);
- for (int i = 0; i < pic->p[1].i_visible_lines; i++)
- memset(pic->p[1].p_pixels + (i * pic->p[1].i_pitch), i,
- pic->p[1].i_visible_pitch);
- for (int i = 0; i < pic->p[2].i_visible_lines; i++)
- for (int j = 0; j < pic->p[2].i_visible_pitch; j++)
- pic->p[2].p_pixels[(i * pic->p[2].i_pitch) + j] = j;
- return VLC_SUCCESS;
-}
-
-static int Setup(vlc_va_t *va, void **ctxp, vlc_fourcc_t *chromap,
- int width, int height)
-{
- (void) width; (void) height;
- *ctxp = (AVVDPAUContext *)va->sys;
- *chromap = VLC_CODEC_YV12;
- return VLC_SUCCESS;
-}
-
-static int Open(vlc_va_t *va, AVCodecContext *ctx, const es_format_t *fmt)
-{
- union
- {
- char str[4];
- vlc_fourcc_t fourcc;
- } u = { .fourcc = fmt->i_codec };
-
- AVVDPAUContext *hwctx = av_vdpau_alloc_context();
- if (unlikely(hwctx == NULL))
- return VLC_ENOMEM;
-
- msg_Dbg(va, "codec %d (%4.4s) profile %d level %d", ctx->codec_id, u.str,
- fmt->i_profile, fmt->i_level);
-
- hwctx->decoder = DECODER_MAGIC;
- hwctx->render = Render;
-
- va->sys = (vlc_va_sys_t *)hwctx;
- va->description = "Dummy video decoding accelerator";
- va->pix_fmt = AV_PIX_FMT_VDPAU;
- va->setup = Setup;
- va->get = Lock;
- va->release = Unlock;
- va->extract = Copy;
- return VLC_SUCCESS;
-}
-
-static void Close(vlc_va_t *va)
-{
- av_free(va->sys);
-}