first commit

2026-02-21 17:11:31 +09:00
commit 18b4338361
4001 changed files with 365464 additions and 0 deletions
--- a/project/fm_viewer/fav/hw_decoder/VideoDecoderFFmpegHW_p.h
+++ b/project/fm_viewer/fav/hw_decoder/VideoDecoderFFmpegHW_p.h
@@ -0,0 +1,102 @@
+/******************************************************************************
+    QtAV:  Multimedia framework based on Qt and FFmpeg
+    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
+
+*   This file is part of QtAV (from 2013)
+
+    This library 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 library 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 library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+******************************************************************************/
+
+#ifndef QTAV_VIDEODECODERFFMPEGHW_P_H
+#define QTAV_VIDEODECODERFFMPEGHW_P_H
+#ifdef  RM_USE_HW_DECODER
+#include "VideoDecoderFFmpegHW.h"
+#include "../GPUMemCopy.h"
+
+/*!
+   QTAV_HAVE(AVBUFREF): use AVCodecContext.get_buffer2 instead of old callbacks. In order to avoid compile warnings, now disable old
+   callbacks if possible. maybe we can also do a runtime check and enable old callbacks
+ */
+
+namespace FAV {
+
+class VideoDecoderFFmpegHWPrivate : public VideoDecoderFFmpegBasePrivate
+{
+public:
+    VideoDecoderFFmpegHWPrivate()
+        : VideoDecoderFFmpegBasePrivate()
+        , get_format(NULL)
+        , get_buffer(NULL)
+        , release_buffer(NULL)
+        , reget_buffer(NULL)
+        , get_buffer2(NULL)
+        , threads(0)
+        , copy_mode(VideoDecoderFFmpegHW::OptimizedCopy)
+        , hw_w(0)
+        , hw_h(0)
+        , hw_profile(0)
+    {}
+    virtual ~VideoDecoderFFmpegHWPrivate() {} //ctx is 0 now
+    bool enableFrameRef() const Q_DECL_OVERRIDE { return false;} //because of ffmpeg_get_va_buffer2?
+    bool prepare();
+    void restore() {
+        codec_ctx->pix_fmt = pixfmt;
+        codec_ctx->opaque = 0;
+        codec_ctx->get_format = get_format;
+#if QTAV_HAVE(AVBUFREF)
+        codec_ctx->get_buffer2 = get_buffer2;
+#else
+        codec_ctx->get_buffer = get_buffer;
+        codec_ctx->release_buffer = release_buffer;
+        codec_ctx->reget_buffer = reget_buffer;
+#endif //QTAV_HAVE(AVBUFREF)
+    }
+    // return hwaccel_context or null
+    virtual void* setup(AVCodecContext* avctx) = 0;
+
+    AVPixelFormat getFormat(struct AVCodecContext *p_context, const AVPixelFormat *pi_fmt);
+    //TODO: remove opaque
+    virtual bool getBuffer(void **opaque, uint8_t **data) = 0;
+    virtual void releaseBuffer(void *opaque, uint8_t *data) = 0;
+    virtual AVPixelFormat vaPixelFormat() const = 0;
+
+    int codedWidth(AVCodecContext *avctx) const;  //TODO: virtual int surfaceWidth(AVCodecContext*) const;
+    int codedHeight(AVCodecContext *avctx) const;
+    bool initUSWC(int lineSize);
+    void releaseUSWC();
+
+    AVPixelFormat pixfmt; //store old one
+    //store old values because it does not own AVCodecContext
+    AVPixelFormat (*get_format)(struct AVCodecContext *s, const AVPixelFormat * fmt);
+    int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic);
+    void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic);
+    int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic);
+    int (*get_buffer2)(struct AVCodecContext *s, AVFrame *frame, int flags);
+
+    QString description;
+    int threads; // multithread decoding may crash for some decoders (dxva, videotoolbox)
+    // false for not intel gpu. my test result is intel gpu is supper fast and lower cpu usage if use optimized uswc copy. but nv is worse.
+    // TODO: flag enable, disable, auto
+    VideoDecoderFFmpegHW::CopyMode copy_mode;
+    GPUMemCopy gpu_mem;
+
+private:
+    int hw_w, hw_h, hw_profile;
+};
+
+} //namespace FAV
+
+#endif // RM_USE_HW_DECODER
+#endif // QTAV_VideoDecoderFFmpegHW_P_H