From 67afcefb35932b420998f6f3fda46c7c85848a3f Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Mon, 24 Mar 2014 01:59:02 +0100 Subject: lavc: Add new VDA hwaccel It leverages the new hwaccel 1.2 features: - get_buffer2 is never called - the internal context is automatically initialized/deinitialized Signed-off-by: Luca Barbato --- libavcodec/vda.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 libavcodec/vda.c (limited to 'libavcodec/vda.c') diff --git a/libavcodec/vda.c b/libavcodec/vda.c new file mode 100644 index 0000000000..f71fb16488 --- /dev/null +++ b/libavcodec/vda.c @@ -0,0 +1,72 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" + +#include "libavutil/mem.h" + +#include "vda.h" +#include "vda_internal.h" + +#if CONFIG_H264_VDA_HWACCEL +AVVDAContext *av_vda_alloc_context(void) +{ + AVVDAContext *ret = av_mallocz(sizeof(*ret)); + + if (ret) + ret->output_callback = ff_vda_output_callback; + + return ret; +} + +int av_vda_default_init(AVCodecContext *avctx) +{ + avctx->hwaccel_context = av_vda_alloc_context(); + if (!avctx->hwaccel_context) + return AVERROR(ENOMEM); + return ff_vda_default_init(avctx); +} + +void av_vda_default_free(AVCodecContext *avctx) +{ + ff_vda_default_free(avctx); + av_freep(&avctx->hwaccel_context); +} + +void ff_vda_default_free(AVCodecContext *avctx) +{ + AVVDAContext *vda = avctx->hwaccel_context; + if (vda && vda->decoder) + VDADecoderDestroy(vda->decoder); +} + +#else +AVVDAContext *av_vda_alloc_context(void) +{ + return NULL; +} + +int av_vda_default_init(AVCodecContext *avctx) +{ + return AVERROR(ENOSYS); +} + +void av_vda_default_free(AVCodecContext *ctx) +{ +} +#endif -- cgit v1.2.3