mirror of https://github.com/FFmpeg/FFmpeg.git
parent
1a7ddba576
commit
aa6b2e081c
4 changed files with 2 additions and 163 deletions
@ -1,159 +0,0 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <stdint.h> |
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#include "avconv.h" |
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#include "libavcodec/vdpau.h" |
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#include "libavutil/buffer.h" |
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#include "libavutil/frame.h" |
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#include "libavutil/hwcontext.h" |
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#include "libavutil/hwcontext_vdpau.h" |
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#include "libavutil/pixfmt.h" |
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typedef struct VDPAUContext { |
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AVBufferRef *hw_frames_ctx; |
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AVFrame *tmp_frame; |
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} VDPAUContext; |
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static void vdpau_uninit(AVCodecContext *s) |
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{ |
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InputStream *ist = s->opaque; |
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VDPAUContext *ctx = ist->hwaccel_ctx; |
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ist->hwaccel_uninit = NULL; |
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ist->hwaccel_get_buffer = NULL; |
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ist->hwaccel_retrieve_data = NULL; |
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av_buffer_unref(&ctx->hw_frames_ctx); |
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av_frame_free(&ctx->tmp_frame); |
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av_freep(&ist->hwaccel_ctx); |
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av_freep(&s->hwaccel_context); |
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} |
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static int vdpau_get_buffer(AVCodecContext *s, AVFrame *frame, int flags) |
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{ |
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InputStream *ist = s->opaque; |
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VDPAUContext *ctx = ist->hwaccel_ctx; |
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return av_hwframe_get_buffer(ctx->hw_frames_ctx, frame, 0); |
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} |
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static int vdpau_retrieve_data(AVCodecContext *s, AVFrame *frame) |
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{ |
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InputStream *ist = s->opaque; |
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VDPAUContext *ctx = ist->hwaccel_ctx; |
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int ret; |
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ret = av_hwframe_transfer_data(ctx->tmp_frame, frame, 0); |
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if (ret < 0) |
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return ret; |
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ret = av_frame_copy_props(ctx->tmp_frame, frame); |
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if (ret < 0) { |
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av_frame_unref(ctx->tmp_frame); |
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return ret; |
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} |
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av_frame_unref(frame); |
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av_frame_move_ref(frame, ctx->tmp_frame); |
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return 0; |
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} |
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static int vdpau_alloc(AVCodecContext *s) |
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{ |
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InputStream *ist = s->opaque; |
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int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR; |
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VDPAUContext *ctx; |
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int ret; |
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AVBufferRef *device_ref = NULL; |
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AVHWDeviceContext *device_ctx; |
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AVVDPAUDeviceContext *device_hwctx; |
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AVHWFramesContext *frames_ctx; |
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ctx = av_mallocz(sizeof(*ctx)); |
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if (!ctx) |
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return AVERROR(ENOMEM); |
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ist->hwaccel_ctx = ctx; |
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ist->hwaccel_uninit = vdpau_uninit; |
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ist->hwaccel_get_buffer = vdpau_get_buffer; |
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ist->hwaccel_retrieve_data = vdpau_retrieve_data; |
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ctx->tmp_frame = av_frame_alloc(); |
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if (!ctx->tmp_frame) |
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goto fail; |
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ret = av_hwdevice_ctx_create(&device_ref, AV_HWDEVICE_TYPE_VDPAU, |
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ist->hwaccel_device, NULL, 0); |
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if (ret < 0) |
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goto fail; |
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device_ctx = (AVHWDeviceContext*)device_ref->data; |
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device_hwctx = device_ctx->hwctx; |
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ctx->hw_frames_ctx = av_hwframe_ctx_alloc(device_ref); |
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if (!ctx->hw_frames_ctx) |
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goto fail; |
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av_buffer_unref(&device_ref); |
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frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data; |
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frames_ctx->format = AV_PIX_FMT_VDPAU; |
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frames_ctx->sw_format = s->sw_pix_fmt; |
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frames_ctx->width = s->coded_width; |
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frames_ctx->height = s->coded_height; |
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ret = av_hwframe_ctx_init(ctx->hw_frames_ctx); |
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if (ret < 0) |
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goto fail; |
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if (av_vdpau_bind_context(s, device_hwctx->device, device_hwctx->get_proc_address, 0)) |
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goto fail; |
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av_log(NULL, AV_LOG_VERBOSE, "Using VDPAU to decode input stream #%d:%d.\n", |
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ist->file_index, ist->st->index); |
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return 0; |
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fail: |
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av_log(NULL, loglevel, "VDPAU init failed for stream #%d:%d.\n", |
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ist->file_index, ist->st->index); |
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av_buffer_unref(&device_ref); |
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vdpau_uninit(s); |
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return AVERROR(EINVAL); |
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} |
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int vdpau_init(AVCodecContext *s) |
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{ |
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InputStream *ist = s->opaque; |
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if (!ist->hwaccel_ctx) { |
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int ret = vdpau_alloc(s); |
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if (ret < 0) |
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return ret; |
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} |
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ist->hwaccel_get_buffer = vdpau_get_buffer; |
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ist->hwaccel_retrieve_data = vdpau_retrieve_data; |
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return 0; |
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} |
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