early-access version 1432
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pineappleEA
329
externals/ffmpeg/libavcodec/qsvdec_other.c
vendored
Executable file
329
externals/ffmpeg/libavcodec/qsvdec_other.c
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/*
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* Intel MediaSDK QSV based MPEG-2, VC-1, VP8, MJPEG and VP9 decoders
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*
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* copyright (c) 2015 Anton Khirnov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 <string.h>
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#include <mfx/mfxvideo.h>
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#include "libavutil/common.h"
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#include "libavutil/fifo.h"
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "qsv_internal.h"
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#include "qsvdec.h"
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#include "qsv.h"
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typedef struct QSVOtherContext {
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AVClass *class;
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QSVContext qsv;
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AVFifoBuffer *packet_fifo;
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AVPacket input_ref;
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} QSVOtherContext;
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static void qsv_clear_buffers(QSVOtherContext *s)
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{
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AVPacket pkt;
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while (av_fifo_size(s->packet_fifo) >= sizeof(pkt)) {
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av_fifo_generic_read(s->packet_fifo, &pkt, sizeof(pkt), NULL);
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av_packet_unref(&pkt);
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}
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av_packet_unref(&s->input_ref);
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}
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static av_cold int qsv_decode_close(AVCodecContext *avctx)
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{
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QSVOtherContext *s = avctx->priv_data;
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#if CONFIG_VP8_QSV_DECODER || CONFIG_VP9_QSV_DECODER
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if (avctx->codec_id == AV_CODEC_ID_VP8 || avctx->codec_id == AV_CODEC_ID_VP9)
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av_freep(&s->qsv.load_plugins);
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#endif
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ff_qsv_decode_close(&s->qsv);
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qsv_clear_buffers(s);
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av_fifo_free(s->packet_fifo);
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return 0;
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}
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static av_cold int qsv_decode_init(AVCodecContext *avctx)
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{
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QSVOtherContext *s = avctx->priv_data;
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int ret;
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#if CONFIG_VP8_QSV_DECODER
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if (avctx->codec_id == AV_CODEC_ID_VP8) {
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static const char *uid_vp8dec_hw = "f622394d8d87452f878c51f2fc9b4131";
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av_freep(&s->qsv.load_plugins);
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s->qsv.load_plugins = av_strdup(uid_vp8dec_hw);
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if (!s->qsv.load_plugins)
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return AVERROR(ENOMEM);
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}
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#endif
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#if CONFIG_VP9_QSV_DECODER
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if (avctx->codec_id == AV_CODEC_ID_VP9) {
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static const char *uid_vp9dec_hw = "a922394d8d87452f878c51f2fc9b4131";
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av_freep(&s->qsv.load_plugins);
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s->qsv.load_plugins = av_strdup(uid_vp9dec_hw);
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if (!s->qsv.load_plugins)
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return AVERROR(ENOMEM);
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}
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#endif
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s->qsv.orig_pix_fmt = AV_PIX_FMT_NV12;
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s->packet_fifo = av_fifo_alloc(sizeof(AVPacket));
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if (!s->packet_fifo) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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return 0;
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fail:
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qsv_decode_close(avctx);
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return ret;
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}
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static int qsv_decode_frame(AVCodecContext *avctx, void *data,
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int *got_frame, AVPacket *avpkt)
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{
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QSVOtherContext *s = avctx->priv_data;
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AVFrame *frame = data;
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int ret;
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/* buffer the input packet */
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if (avpkt->size) {
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AVPacket input_ref;
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if (av_fifo_space(s->packet_fifo) < sizeof(input_ref)) {
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ret = av_fifo_realloc2(s->packet_fifo,
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av_fifo_size(s->packet_fifo) + sizeof(input_ref));
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if (ret < 0)
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return ret;
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}
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ret = av_packet_ref(&input_ref, avpkt);
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if (ret < 0)
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return ret;
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av_fifo_generic_write(s->packet_fifo, &input_ref, sizeof(input_ref), NULL);
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}
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/* process buffered data */
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while (!*got_frame) {
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if (s->input_ref.size <= 0) {
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/* no more data */
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if (av_fifo_size(s->packet_fifo) < sizeof(AVPacket))
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return avpkt->size ? avpkt->size : ff_qsv_process_data(avctx, &s->qsv, frame, got_frame, avpkt);
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/* in progress of reinit, no read from fifo and keep the buffer_pkt */
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if (!s->qsv.reinit_flag) {
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av_packet_unref(&s->input_ref);
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av_fifo_generic_read(s->packet_fifo, &s->input_ref, sizeof(s->input_ref), NULL);
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}
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}
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ret = ff_qsv_process_data(avctx, &s->qsv, frame, got_frame, &s->input_ref);
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if (ret < 0) {
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/* Drop input packet when failed to decode the packet. Otherwise,
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the decoder will keep decoding the failure packet. */
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av_packet_unref(&s->input_ref);
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return ret;
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}
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if (s->qsv.reinit_flag)
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continue;
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s->input_ref.size -= ret;
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s->input_ref.data += ret;
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}
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return avpkt->size;
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}
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static void qsv_decode_flush(AVCodecContext *avctx)
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{
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QSVOtherContext *s = avctx->priv_data;
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qsv_clear_buffers(s);
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ff_qsv_decode_flush(avctx, &s->qsv);
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}
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#define OFFSET(x) offsetof(QSVOtherContext, x)
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#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
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static const AVOption options[] = {
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{ "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD },
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{ "gpu_copy", "A GPU-accelerated copy between video and system memory", OFFSET(qsv.gpu_copy), AV_OPT_TYPE_INT, { .i64 = MFX_GPUCOPY_DEFAULT }, MFX_GPUCOPY_DEFAULT, MFX_GPUCOPY_OFF, VD, "gpu_copy"},
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{ "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"},
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{ "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"},
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{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"},
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{ NULL },
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};
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#if CONFIG_MPEG2_QSV_DECODER
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static const AVClass mpeg2_qsv_class = {
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.class_name = "mpeg2_qsv",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_mpeg2_qsv_decoder = {
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.name = "mpeg2_qsv",
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.long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video (Intel Quick Sync Video acceleration)"),
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.priv_data_size = sizeof(QSVOtherContext),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_MPEG2VIDEO,
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.init = qsv_decode_init,
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.decode = qsv_decode_frame,
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.flush = qsv_decode_flush,
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.close = qsv_decode_close,
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.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID,
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.priv_class = &mpeg2_qsv_class,
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.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_NONE },
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.hw_configs = ff_qsv_hw_configs,
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.wrapper_name = "qsv",
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};
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#endif
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#if CONFIG_VC1_QSV_DECODER
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static const AVClass vc1_qsv_class = {
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.class_name = "vc1_qsv",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_vc1_qsv_decoder = {
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.name = "vc1_qsv",
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.long_name = NULL_IF_CONFIG_SMALL("VC-1 video (Intel Quick Sync Video acceleration)"),
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.priv_data_size = sizeof(QSVOtherContext),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VC1,
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.init = qsv_decode_init,
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.decode = qsv_decode_frame,
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.flush = qsv_decode_flush,
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.close = qsv_decode_close,
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.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID,
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.priv_class = &vc1_qsv_class,
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.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_NONE },
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.hw_configs = ff_qsv_hw_configs,
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.wrapper_name = "qsv",
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};
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#endif
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#if CONFIG_VP8_QSV_DECODER
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static const AVClass vp8_qsv_class = {
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.class_name = "vp8_qsv",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_vp8_qsv_decoder = {
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.name = "vp8_qsv",
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.long_name = NULL_IF_CONFIG_SMALL("VP8 video (Intel Quick Sync Video acceleration)"),
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.priv_data_size = sizeof(QSVOtherContext),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VP8,
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.init = qsv_decode_init,
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.decode = qsv_decode_frame,
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.flush = qsv_decode_flush,
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.close = qsv_decode_close,
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.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID,
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.priv_class = &vp8_qsv_class,
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.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_NONE },
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.hw_configs = ff_qsv_hw_configs,
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.wrapper_name = "qsv",
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};
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#endif
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#if CONFIG_MJPEG_QSV_DECODER
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static const AVClass mjpeg_qsv_class = {
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.class_name = "mjpeg_qsv",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_mjpeg_qsv_decoder = {
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.name = "mjpeg_qsv",
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.long_name = NULL_IF_CONFIG_SMALL("MJPEG video (Intel Quick Sync Video acceleration)"),
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.priv_data_size = sizeof(QSVOtherContext),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_MJPEG,
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.init = qsv_decode_init,
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.decode = qsv_decode_frame,
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.flush = qsv_decode_flush,
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.close = qsv_decode_close,
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.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID,
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.priv_class = &mjpeg_qsv_class,
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.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_NONE },
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};
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#endif
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#if CONFIG_VP9_QSV_DECODER
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static const AVClass vp9_qsv_class = {
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.class_name = "vp9_qsv",
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.item_name = av_default_item_name,
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.option = options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_vp9_qsv_decoder = {
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.name = "vp9_qsv",
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.long_name = NULL_IF_CONFIG_SMALL("VP9 video (Intel Quick Sync Video acceleration)"),
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.priv_data_size = sizeof(QSVOtherContext),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VP9,
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.init = qsv_decode_init,
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.decode = qsv_decode_frame,
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.flush = qsv_decode_flush,
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.close = qsv_decode_close,
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.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID,
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.priv_class = &vp9_qsv_class,
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.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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AV_PIX_FMT_P010,
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AV_PIX_FMT_QSV,
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AV_PIX_FMT_NONE },
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.hw_configs = ff_qsv_hw_configs,
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.wrapper_name = "qsv",
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};
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#endif
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