mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Xu Guangxin <guangxin.xu@intel.com> Signed-off-by: Linjie Fu <linjie.justin.fu@gmail.com>pull/371/head
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3 changed files with 47 additions and 250 deletions
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/*
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* Intel MediaSDK QSV based MPEG-2, VC-1, VP8, MJPEG, VP9 and AV1 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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#define DEFINE_QSV_DECODER(x, X, bsf_name) \ |
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static const AVClass x##_qsv_class = { \
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.class_name = #x "_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_##x##_qsv_decoder = { \
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.name = #x "_qsv", \
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.long_name = NULL_IF_CONFIG_SMALL(#X " 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_##X, \
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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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.bsfs = bsf_name, \
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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 = &x##_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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#if CONFIG_MPEG2_QSV_DECODER |
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DEFINE_QSV_DECODER(mpeg2, MPEG2VIDEO, NULL) |
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#endif |
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#if CONFIG_VC1_QSV_DECODER |
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DEFINE_QSV_DECODER(vc1, VC1, NULL) |
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#endif |
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#if CONFIG_MJPEG_QSV_DECODER |
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DEFINE_QSV_DECODER(mjpeg, MJPEG, NULL) |
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#endif |
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#if CONFIG_VP8_QSV_DECODER |
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DEFINE_QSV_DECODER(vp8, VP8, NULL) |
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#endif |
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#if CONFIG_VP9_QSV_DECODER |
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DEFINE_QSV_DECODER(vp9, VP9, NULL) |
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#endif |
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#if CONFIG_AV1_QSV_DECODER |
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DEFINE_QSV_DECODER(av1, AV1, NULL) |
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#endif |
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