Rajy Rawther
52eb62fabf
* WIP: ffmpeg based software decoder * minor update * WIP: FFMpeg SW decoder support * FFMpeg decoder working version * working version without threading * multithreading working with FFMpeg decoder * moved ffmpeg decoder to separate folder * updated changelog * minor change * resolved review comments * resolved review comments --------- Co-authored-by: Lakshmi Kumar <lakshmi.kumar@amd.com>
858 righe
38 KiB
C++
858 righe
38 KiB
C++
/*
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Copyright (c) 2023 - 2024 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include "ffmpeg_video_dec.h"
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/**
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* @brief helper function for inferring AVCodecID from rocDecVideoCodec
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*
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* @param rocdec_codec
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* @return AVCodecID
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*/
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static inline AVCodecID RocDecVideoCodec2AVCodec(rocDecVideoCodec rocdec_codec) {
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switch (rocdec_codec) {
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case rocDecVideoCodec_MPEG1 : return AV_CODEC_ID_MPEG1VIDEO;
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case rocDecVideoCodec_MPEG2 : return AV_CODEC_ID_MPEG2VIDEO;
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case rocDecVideoCodec_MPEG4 : return AV_CODEC_ID_MPEG4;
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case rocDecVideoCodec_AVC : return AV_CODEC_ID_H264;
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case rocDecVideoCodec_HEVC : return AV_CODEC_ID_HEVC;
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case rocDecVideoCodec_VP8 : return AV_CODEC_ID_VP8;
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case rocDecVideoCodec_VP9 : return AV_CODEC_ID_VP9;
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case rocDecVideoCodec_JPEG : return AV_CODEC_ID_MJPEG;
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case rocDecVideoCodec_AV1 : return AV_CODEC_ID_AV1;
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default : return AV_CODEC_ID_NONE;
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}
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}
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static inline float GetChromaWidthFactor(rocDecVideoSurfaceFormat surface_format) {
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float factor = 0.5;
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switch (surface_format) {
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case rocDecVideoSurfaceFormat_NV12:
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case rocDecVideoSurfaceFormat_P016:
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factor = 1.0;
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break;
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case rocDecVideoSurfaceFormat_YUV444:
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case rocDecVideoSurfaceFormat_YUV444_16Bit:
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factor = 1.0;
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break;
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case rocDecVideoSurfaceFormat_YUV420:
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case rocDecVideoSurfaceFormat_YUV420_16Bit:
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factor = 0.5;
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break;
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}
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return factor;
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};
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/**
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* @brief helper function for inferring AVCodecID from rocDecVideoSurfaceFormat
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*
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* @param rocdec_codec
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* @return AVCodecID
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*/
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static inline rocDecVideoSurfaceFormat AVPixelFormat2rocDecVideoSurfaceFormat(AVPixelFormat av_pixel_format) {
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switch (av_pixel_format) {
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case AV_PIX_FMT_YUV420P :
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case AV_PIX_FMT_YUVJ420P :
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return rocDecVideoSurfaceFormat_YUV420;
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case AV_PIX_FMT_YUV444P :
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case AV_PIX_FMT_YUVJ444P :
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return rocDecVideoSurfaceFormat_YUV444;
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case AV_PIX_FMT_YUV420P10LE :
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case AV_PIX_FMT_YUV420P12LE :
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return rocDecVideoSurfaceFormat_YUV420_16Bit;
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default :
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std::cerr << "ERROR: " << av_get_pix_fmt_name(av_pixel_format) << " pixel_format is not supported!" << std::endl;
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return rocDecVideoSurfaceFormat_NV12; // for sanity
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}
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}
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FFMpegVideoDecoder::FFMpegVideoDecoder(int device_id, OutputSurfaceMemoryType out_mem_type, rocDecVideoCodec codec, bool force_zero_latency,
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const Rect *p_crop_rect, bool extract_user_sei_Message, uint32_t disp_delay, bool no_multithreading, int max_width, int max_height, uint32_t clk_rate) :
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RocVideoDecoder(device_id, out_mem_type, codec, force_zero_latency, p_crop_rect, extract_user_sei_Message, disp_delay, max_width, max_height, clk_rate), no_multithreading_(no_multithreading) {
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if ((out_mem_type_ == OUT_SURFACE_MEM_DEV_INTERNAL) || (out_mem_type_ == OUT_SURFACE_MEM_NOT_MAPPED)) {
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THROW("Output Memory Type is not supported");
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}
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if (rocdec_parser_) {
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rocDecDestroyVideoParser(rocdec_parser_); // need to do this here since it was already created in the base class
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// create rocdec videoparser
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RocdecParserParams parser_params = {};
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parser_params.codec_type = codec_id_;
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parser_params.max_num_decode_surfaces = 1; // let the parser to determine the decode buffer pool size
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parser_params.clock_rate = clk_rate;
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parser_params.max_display_delay = disp_delay_;
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parser_params.user_data = this;
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parser_params.pfn_sequence_callback = FFMpegHandleVideoSequenceProc;
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parser_params.pfn_decode_picture = FFMpegHandlePictureDecodeProc;
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parser_params.pfn_display_picture = FFMpegHandlePictureDisplayProc;
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parser_params.pfn_get_sei_msg = b_extract_sei_message_ ? RocVideoDecoder::HandleSEIMessagesProc : NULL;
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ROCDEC_API_CALL(rocDecCreateVideoParser(&rocdec_parser_, &parser_params));
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}
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if (!no_multithreading_) {
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// start the FFMpeg decoding thread
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ffmpeg_decoder_thread_ = new std::thread(&FFMpegVideoDecoder::DecodeThread, this);
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if (!ffmpeg_decoder_thread_) {
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THROW("FFMpegVideoDecoder create thread failed");
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}
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}
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}
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FFMpegVideoDecoder::~FFMpegVideoDecoder() {
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std::lock_guard<std::mutex> lock(mtx_vp_frame_);
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for (auto &p_frame : vp_frames_ffmpeg_) {
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if (p_frame.frame_ptr) {
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if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
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hipError_t hip_status = hipFree(p_frame.frame_ptr);
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if (hip_status != hipSuccess) {
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std::cerr << "ERROR: hipFree failed! (" << hip_status << ")" << std::endl;
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}
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}
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}
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}
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// release frame_q
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while (!dec_frames_.empty()) {
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av_frame_free(&dec_frames_.back());
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dec_frames_.pop_back();
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}
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// free av_packet_data_
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while (!av_packet_data_.empty()) {
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std::pair<uint8_t *, int> *packet_data = &av_packet_data_.back();
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av_freep(&packet_data->first);
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av_packet_data_.pop_back();
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}
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//release av_packets
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while (!av_packets_.empty()) {
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av_packet_free(&av_packets_.back());
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av_packets_.pop_back();
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}
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if (dec_context_) {
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avcodec_free_context(&dec_context_);
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}
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}
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/* Return value from HandleVideoSequence() are interpreted as :
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* 0: fail, 1: succeeded, > 1: override dpb size of parser (set by CUVIDPARSERPARAMS::max_num_decode_surfaces while creating parser)
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*/
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int FFMpegVideoDecoder::HandleVideoSequence(RocdecVideoFormat *p_video_format) {
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if (p_video_format == nullptr) {
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ROCDEC_THROW("Rocdec:: Invalid video format in HandleVideoSequence: ", ROCDEC_INVALID_PARAMETER);
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return 0;
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}
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auto start_time = StartTimer();
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input_video_info_str_.str("");
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input_video_info_str_.clear();
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input_video_info_str_ << "Input Video Information" << std::endl
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<< "\tCodec : " << GetCodecFmtName(p_video_format->codec) << std::endl;
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if (p_video_format->frame_rate.numerator && p_video_format->frame_rate.denominator) {
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input_video_info_str_ << "\tFrame rate : " << p_video_format->frame_rate.numerator << "/" << p_video_format->frame_rate.denominator << " = " << 1.0 * p_video_format->frame_rate.numerator / p_video_format->frame_rate.denominator << " fps" << std::endl;
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}
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input_video_info_str_ << "\tSequence : " << (p_video_format->progressive_sequence ? "Progressive" : "Interlaced") << std::endl
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<< "\tCoded size : [" << p_video_format->coded_width << ", " << p_video_format->coded_height << "]" << std::endl
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<< "\tDisplay area : [" << p_video_format->display_area.left << ", " << p_video_format->display_area.top << ", "
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<< p_video_format->display_area.right << ", " << p_video_format->display_area.bottom << "]" << std::endl
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<< "\tBit depth : " << p_video_format->bit_depth_luma_minus8 + 8
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;
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input_video_info_str_ << std::endl;
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int num_decode_surfaces = p_video_format->min_num_decode_surfaces;
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// check if the codec is supported in FFMpeg
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// Initialize FFMpeg and find the decoder for codec
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if (!decoder_) decoder_ = avcodec_find_decoder(RocDecVideoCodec2AVCodec(p_video_format->codec));
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if(!decoder_) {
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ROCDEC_THROW("rocDecode<FFMpeg>:: Codec not supported by FFMpeg ", ROCDEC_NOT_SUPPORTED);
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return 0;
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}
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if (!dec_context_) {
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dec_context_ = avcodec_alloc_context3(decoder_); //alloc dec_context_
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if (!dec_context_) {
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THROW("Could not allocate video codec context");
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}
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// open the codec
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if (avcodec_open2(dec_context_, decoder_, NULL) < 0) {
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THROW("Could not open codec");
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}
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// get the output pixel format from dec_context_
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decoder_pixel_format_ = (dec_context_->pix_fmt == AV_PIX_FMT_NONE) ? AV_PIX_FMT_YUV420P : dec_context_->pix_fmt;
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dec_context_->thread_count = 4;
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dec_context_->thread_type = FF_THREAD_FRAME;
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}
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// allocate av_frame buffer pool for number of surfaces
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if (dec_frames_.empty()) {
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for (int i = 0; i < num_decode_surfaces; i++) {
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AVFrame *p_frame = av_frame_alloc();
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dec_frames_.push_back(p_frame);
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}
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av_frame_cnt_ = 0;
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}
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if (av_packet_data_.empty()) {
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for (int i = 0; i < num_decode_surfaces; i++) {
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uint8_t *pkt_data = static_cast<uint8_t *> (av_malloc(MAX_AV_PACKET_DATA_SIZE));
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av_packet_data_.push_back(std::make_pair(pkt_data, MAX_AV_PACKET_DATA_SIZE));
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}
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}
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// allocate av_packets_ for decoding
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if (av_packets_.empty()) {
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for (int i = 0; i < num_decode_surfaces; i++) {
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AVPacket *pkt = av_packet_alloc();
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pkt->data = static_cast<uint8_t *> (av_packet_data_[i].first);
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pkt->size = av_packet_data_[i].second;
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av_packets_.push_back(pkt);
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}
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}
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if (curr_video_format_ptr_ == nullptr) {
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curr_video_format_ptr_ = new RocdecVideoFormat();
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}
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// store current video format: this is required to call reconfigure from application in case of random seek
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if (curr_video_format_ptr_) memcpy(curr_video_format_ptr_, p_video_format, sizeof(RocdecVideoFormat));
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if (coded_width_ && coded_height_) {
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end_of_stream_ = false;
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// rocdecCreateDecoder() has been called before, and now there's possible config change
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return ReconfigureDecoder(p_video_format);
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}
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// e_codec has been set in the constructor (for parser). Here it's set again for potential correction
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codec_id_ = p_video_format->codec;
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video_chroma_format_ = p_video_format->chroma_format;
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bitdepth_minus_8_ = p_video_format->bit_depth_luma_minus8;
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byte_per_pixel_ = bitdepth_minus_8_ > 0 ? 2 : 1;
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// convert AVPixelFormat to rocDecVideoChromaFormat
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video_surface_format_ = AVPixelFormat2rocDecVideoSurfaceFormat(decoder_pixel_format_);
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coded_width_ = p_video_format->coded_width;
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coded_height_ = p_video_format->coded_height;
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disp_rect_.top = p_video_format->display_area.top;
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disp_rect_.bottom = p_video_format->display_area.bottom;
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disp_rect_.left = p_video_format->display_area.left;
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disp_rect_.right = p_video_format->display_area.right;
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disp_width_ = p_video_format->display_area.right - p_video_format->display_area.left;
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disp_height_ = p_video_format->display_area.bottom - p_video_format->display_area.top;
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// AV1 has max width/height of sequence in sequence header
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if (codec_id_ == rocDecVideoCodec_AV1 && p_video_format->seqhdr_data_length > 0) {
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// dont overwrite if it is already set from cmdline or reconfig.txt
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if (!(max_width_ > p_video_format->coded_width || max_height_ > p_video_format->coded_height)) {
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RocdecVideoFormatEx *vidFormatEx = (RocdecVideoFormatEx *)p_video_format;
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max_width_ = vidFormatEx->max_width;
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max_height_ = vidFormatEx->max_height;
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}
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}
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if (max_width_ < static_cast<int>(p_video_format->coded_width))
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max_width_ = p_video_format->coded_width;
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if (max_height_ < static_cast<int>(p_video_format->coded_height))
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max_height_ = p_video_format->coded_height;
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if (!(crop_rect_.right && crop_rect_.bottom)) {
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target_width_ = (disp_width_ + 1) & ~1;
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target_height_ = (disp_height_ + 1) & ~1;
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} else {
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target_width_ = (crop_rect_.right - crop_rect_.left + 1) & ~1;
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target_height_ = (crop_rect_.bottom - crop_rect_.top + 1) & ~1;
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}
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chroma_height_ = static_cast<int>(ceil(target_height_ * GetChromaHeightFactor(video_surface_format_)));
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chroma_width_ = static_cast<int>(ceil(target_width_ * GetChromaWidthFactor(video_surface_format_)));
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num_chroma_planes_ = GetChromaPlaneCount(video_surface_format_);
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if (video_chroma_format_ == rocDecVideoChromaFormat_Monochrome) num_chroma_planes_ = 0;
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surface_stride_ = target_width_ * byte_per_pixel_;
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chroma_vstride_ = static_cast<int>(ceil(surface_vstride_ * GetChromaHeightFactor(video_surface_format_)));
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// fill output_surface_info_
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output_surface_info_.output_width = target_width_;
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output_surface_info_.output_height = target_height_;
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output_surface_info_.output_pitch = surface_stride_;
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output_surface_info_.output_vstride = target_height_;
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output_surface_info_.bit_depth = bitdepth_minus_8_ + 8;
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output_surface_info_.bytes_per_pixel = byte_per_pixel_;
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output_surface_info_.surface_format = video_surface_format_;
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output_surface_info_.num_chroma_planes = num_chroma_planes_;
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if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
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output_surface_info_.output_surface_size_in_bytes = GetFrameSize();
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output_surface_info_.mem_type = OUT_SURFACE_MEM_DEV_COPIED;
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} else if (out_mem_type_ == OUT_SURFACE_MEM_HOST_COPIED){
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output_surface_info_.output_surface_size_in_bytes = GetFrameSize();
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output_surface_info_.mem_type = OUT_SURFACE_MEM_HOST_COPIED;
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}
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input_video_info_str_ << "Video Decoding Params:" << std::endl
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<< "\tNum Surfaces : " << num_decode_surfaces << std::endl
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<< "\tCrop : [" << disp_rect_.left << ", " << disp_rect_.top << ", "
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<< disp_rect_.right << ", " << disp_rect_.bottom << "]" << std::endl
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<< "\tResize : " << target_width_ << "x" << target_height_ << std::endl
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;
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input_video_info_str_ << std::endl;
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std::cout << input_video_info_str_.str();
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double elapsed_time = StopTimer(start_time);
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AddDecoderSessionOverHead(std::this_thread::get_id(), elapsed_time);
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return num_decode_surfaces;
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}
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/**
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* @brief function to reconfigure decoder if there is a change in sequence params.
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*
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* @param p_video_format
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* @return int 1: success 0: fail
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*/
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int FFMpegVideoDecoder::ReconfigureDecoder(RocdecVideoFormat *p_video_format) {
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if (p_video_format->codec != codec_id_) {
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ROCDEC_THROW("Reconfigure Not supported for codec change", ROCDEC_NOT_SUPPORTED);
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return 0;
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}
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if (p_video_format->chroma_format != video_chroma_format_) {
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ROCDEC_THROW("Reconfigure Not supported for chroma format change", ROCDEC_NOT_SUPPORTED);
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return 0;
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}
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if (p_video_format->bit_depth_luma_minus8 != bitdepth_minus_8_){
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ROCDEC_THROW("Reconfigure Not supported for bit depth change", ROCDEC_NOT_SUPPORTED);
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return 0;
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}
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bool is_decode_res_changed = !(p_video_format->coded_width == coded_width_ && p_video_format->coded_height == coded_height_);
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bool is_display_rect_changed = !(p_video_format->display_area.bottom == disp_rect_.bottom &&
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p_video_format->display_area.top == disp_rect_.top &&
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p_video_format->display_area.left == disp_rect_.left &&
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p_video_format->display_area.right == disp_rect_.right);
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if (!is_decode_res_changed && !is_display_rect_changed && !b_force_recofig_flush_) {
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return 1;
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}
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// Flush and clear internal frame store to reconfigure when either coded size or display size has changed.
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if (p_reconfig_params_ && p_reconfig_params_->p_fn_reconfigure_flush)
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num_frames_flushed_during_reconfig_ += p_reconfig_params_->p_fn_reconfigure_flush(this, p_reconfig_params_->reconfig_flush_mode, static_cast<void *>(p_reconfig_params_->p_reconfig_user_struct));
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// clear the existing output buffers of different size
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// note that app lose the remaining frames in the vp_frames in case application didn't set p_fn_reconfigure_flush_ callback
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std::lock_guard<std::mutex> lock(mtx_vp_frame_);
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while(!vp_frames_ffmpeg_.empty()) {
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DecFrameBufferFFMpeg *p_frame = &vp_frames_ffmpeg_.back();
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// pop decoded frame
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vp_frames_ffmpeg_.pop_back();
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if (p_frame->frame_ptr) {
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if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
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hipError_t hip_status = hipFree(p_frame->frame_ptr);
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if (hip_status != hipSuccess) std::cerr << "ERROR: hipFree failed! (" << hip_status << ")" << std::endl;
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}
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}
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// release associated av_frame
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if (p_frame->av_frame_ptr) {
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av_frame_free(&p_frame->av_frame_ptr);
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}
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}
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output_frame_cnt_ = 0; // reset frame_count
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if (is_decode_res_changed) {
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coded_width_ = p_video_format->coded_width;
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coded_height_ = p_video_format->coded_height;
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}
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if (is_display_rect_changed) {
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disp_rect_.left = p_video_format->display_area.left;
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disp_rect_.right = p_video_format->display_area.right;
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disp_rect_.top = p_video_format->display_area.top;
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disp_rect_.bottom = p_video_format->display_area.bottom;
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disp_width_ = p_video_format->display_area.right - p_video_format->display_area.left;
|
|
disp_height_ = p_video_format->display_area.bottom - p_video_format->display_area.top;
|
|
|
|
if (!(crop_rect_.right && crop_rect_.bottom)) {
|
|
target_width_ = (disp_width_ + 1) & ~1;
|
|
target_height_ = (disp_height_ + 1) & ~1;
|
|
} else {
|
|
target_width_ = (crop_rect_.right - crop_rect_.left + 1) & ~1;
|
|
target_height_ = (crop_rect_.bottom - crop_rect_.top + 1) & ~1;
|
|
}
|
|
}
|
|
|
|
surface_stride_ = target_width_ * byte_per_pixel_;
|
|
chroma_height_ = static_cast<int>(std::ceil(target_height_ * GetChromaHeightFactor(video_surface_format_)));
|
|
chroma_width_ = static_cast<int>(ceil(target_width_ * GetChromaWidthFactor(video_surface_format_)));
|
|
num_chroma_planes_ = GetChromaPlaneCount(video_surface_format_);
|
|
if (p_video_format->chroma_format == rocDecVideoChromaFormat_Monochrome) num_chroma_planes_ = 0;
|
|
chroma_vstride_ = static_cast<int>(std::ceil(surface_vstride_ * GetChromaHeightFactor(video_surface_format_)));
|
|
// Fill output_surface_info_
|
|
output_surface_info_.output_width = target_width_;
|
|
output_surface_info_.output_height = target_height_;
|
|
output_surface_info_.output_pitch = surface_stride_;
|
|
output_surface_info_.output_vstride = (out_mem_type_ == OUT_SURFACE_MEM_DEV_INTERNAL) ? surface_vstride_ : target_height_;
|
|
output_surface_info_.bit_depth = bitdepth_minus_8_ + 8;
|
|
output_surface_info_.bytes_per_pixel = byte_per_pixel_;
|
|
output_surface_info_.surface_format = video_surface_format_;
|
|
output_surface_info_.num_chroma_planes = num_chroma_planes_;
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
|
|
output_surface_info_.output_surface_size_in_bytes = GetFrameSize();
|
|
output_surface_info_.mem_type = OUT_SURFACE_MEM_DEV_COPIED;
|
|
} else if (out_mem_type_ == OUT_SURFACE_MEM_HOST_COPIED) {
|
|
output_surface_info_.output_surface_size_in_bytes = GetFrameSize();
|
|
output_surface_info_.mem_type = OUT_SURFACE_MEM_HOST_COPIED;
|
|
}
|
|
|
|
// If the coded_width or coded_height hasn't changed but display resolution has changed, then need to update width and height for
|
|
// correct output with cropping. There is no need to reconfigure the decoder.
|
|
if (!is_decode_res_changed && is_display_rect_changed) {
|
|
return 1;
|
|
}
|
|
|
|
input_video_info_str_.str("");
|
|
input_video_info_str_.clear();
|
|
input_video_info_str_ << "Input Video Resolution Changed:" << std::endl
|
|
<< "\tCoded size : [" << p_video_format->coded_width << ", " << p_video_format->coded_height << "]" << std::endl
|
|
<< "\tDisplay area : [" << p_video_format->display_area.left << ", " << p_video_format->display_area.top << ", "
|
|
<< p_video_format->display_area.right << ", " << p_video_format->display_area.bottom << "]" << std::endl;
|
|
input_video_info_str_ << std::endl;
|
|
is_decoder_reconfigured_ = true;
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param pPicParams
|
|
* @return int 1: success 0: fail
|
|
*/
|
|
int FFMpegVideoDecoder::HandlePictureDecode(RocdecPicParams *pPicParams) {
|
|
AVPacket *av_pkt = av_packets_[av_pkt_cnt_];
|
|
std::pair<uint8_t *, int> *packet_data = &av_packet_data_[av_pkt_cnt_];
|
|
if (last_packet_.payload_size > packet_data->second) {
|
|
void *new_pkt_data = av_realloc(av_pkt->data, (last_packet_.payload_size + MAX_AV_PACKET_DATA_SIZE)); // add more to avoid frequence reallocation
|
|
if (!new_pkt_data) {
|
|
std::cerr << "ERROR: couldn't allocate packet data" << std::endl;
|
|
}
|
|
packet_data->first = static_cast<uint8_t *>(new_pkt_data);
|
|
packet_data->second = (last_packet_.payload_size + MAX_AV_PACKET_DATA_SIZE);
|
|
av_pkt->data = packet_data->first;
|
|
}
|
|
memcpy(av_pkt->data, last_packet_.payload, last_packet_.payload_size);
|
|
av_pkt->size = last_packet_.payload_size;
|
|
av_pkt->flags = 0;
|
|
av_pkt->pts = last_packet_.pts;
|
|
|
|
if (no_multithreading_) {
|
|
DecodeAvFrame(av_pkt, dec_frames_[av_frame_cnt_]);
|
|
} else {
|
|
//push packet into packet q for decoding
|
|
PushPacket(av_pkt);
|
|
}
|
|
av_pkt_cnt_ = (av_pkt_cnt_ + 1) % av_packets_.size();
|
|
if (!av_pkt->data || !av_pkt->size) {
|
|
end_of_stream_ = true;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/**
|
|
* @brief function to handle display picture
|
|
*
|
|
* @param pDispInfo
|
|
* @return int 0:fail 1: success
|
|
*/
|
|
int FFMpegVideoDecoder::HandlePictureDisplay(RocdecParserDispInfo *pDispInfo) {
|
|
// check if we reached eos here. This is a hack since HandlePictureDecode won't be called at the end_of_sequece.
|
|
// so we need to flush FFMpeg decoder when we have received the lastpacket with 0 bytes
|
|
if (!last_packet_.payload_size && !end_of_stream_) {
|
|
AVPacket pkt = { 0 };
|
|
if (no_multithreading_) {
|
|
DecodeAvFrame(&pkt, dec_frames_[av_frame_cnt_]);
|
|
} else {
|
|
//push packet into packet q for decoding
|
|
PushPacket(&pkt);
|
|
}
|
|
}
|
|
|
|
if (b_extract_sei_message_) {
|
|
if (sei_message_display_q_[pDispInfo->picture_index].sei_data) {
|
|
// Write SEI Message
|
|
uint8_t *sei_buffer = static_cast<uint8_t *>(sei_message_display_q_[pDispInfo->picture_index].sei_data);
|
|
uint32_t sei_num_messages = sei_message_display_q_[pDispInfo->picture_index].sei_message_count;
|
|
RocdecSeiMessage *sei_message = sei_message_display_q_[pDispInfo->picture_index].sei_message;
|
|
if (fp_sei_) {
|
|
for (uint32_t i = 0; i < sei_num_messages; i++) {
|
|
if (codec_id_ == rocDecVideoCodec_AVC || rocDecVideoCodec_HEVC) {
|
|
switch (sei_message[i].sei_message_type) {
|
|
case SEI_TYPE_TIME_CODE: {
|
|
//todo:: check if we need to write timecode
|
|
}
|
|
break;
|
|
case SEI_TYPE_USER_DATA_UNREGISTERED: {
|
|
fwrite(sei_buffer, sei_message[i].sei_message_size, 1, fp_sei_);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (codec_id_ == rocDecVideoCodec_AV1) {
|
|
fwrite(sei_buffer, sei_message[i].sei_message_size, 1, fp_sei_);
|
|
}
|
|
sei_buffer += sei_message[i].sei_message_size;
|
|
}
|
|
}
|
|
free(sei_message_display_q_[pDispInfo->picture_index].sei_data);
|
|
sei_message_display_q_[pDispInfo->picture_index].sei_data = NULL; // to avoid double free
|
|
free(sei_message_display_q_[pDispInfo->picture_index].sei_message);
|
|
sei_message_display_q_[pDispInfo->picture_index].sei_message = NULL; // to avoid double free
|
|
}
|
|
}
|
|
// vp_frames_ffmpeg_.size() is empty, wait for decoding to finish
|
|
// this will happen during PopFrame()
|
|
AVFrame *p_av_frame;
|
|
if (no_multithreading_) {
|
|
p_av_frame = av_frame_q_.front();
|
|
av_frame_q_.pop();
|
|
} else {
|
|
p_av_frame = PopFrame();
|
|
}
|
|
|
|
if (p_av_frame == nullptr) {
|
|
std::cerr << "Invalid avframe decode output" << std::endl;
|
|
return 0;
|
|
}
|
|
void* src_ptr[3] = { 0 };
|
|
int32_t src_pitch[3] = { 0 };
|
|
src_ptr[0] = p_av_frame->data[0];
|
|
src_ptr[1] = p_av_frame->data[1];
|
|
src_ptr[2] = p_av_frame->data[2];
|
|
src_pitch[0] = p_av_frame->linesize[0];
|
|
src_pitch[1] = p_av_frame->linesize[1];
|
|
src_pitch[2] = p_av_frame->linesize[2];
|
|
|
|
// copy the decoded surface info device or host
|
|
uint8_t *p_dec_frame = nullptr;
|
|
{
|
|
std::lock_guard<std::mutex> lock(mtx_vp_frame_);
|
|
// if not enough frames in stock, allocate
|
|
if (++output_frame_cnt_ > vp_frames_ffmpeg_.size()) {
|
|
num_alloced_frames_++;
|
|
DecFrameBufferFFMpeg dec_frame = { 0 };
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
|
|
// allocate device memory
|
|
HIP_API_CALL(hipMalloc((void **)&dec_frame.frame_ptr, GetFrameSize()));
|
|
} else {
|
|
dec_frame.frame_ptr = new uint8_t[GetFrameSize()];
|
|
}
|
|
|
|
dec_frame.av_frame_ptr = p_av_frame;
|
|
dec_frame.pts = pDispInfo->pts;
|
|
dec_frame.picture_index = pDispInfo->picture_index;
|
|
vp_frames_ffmpeg_.push_back(dec_frame);
|
|
}
|
|
p_dec_frame = vp_frames_ffmpeg_[output_frame_cnt_ - 1].frame_ptr;
|
|
}
|
|
|
|
// Copy luma data
|
|
int dst_pitch = disp_width_ * byte_per_pixel_;
|
|
uint8_t *p_src_ptr_y = static_cast<uint8_t *>(src_ptr[0]) + (disp_rect_.top + crop_rect_.top) * src_pitch[0] + (disp_rect_.left + crop_rect_.left) * byte_per_pixel_;
|
|
uint8_t *p_frame_y = p_dec_frame;
|
|
if (!p_frame_y && !p_src_ptr_y) {
|
|
std::cerr << "HandlePictureDisplay: Invalid Memory address for src/dst" << std::endl;
|
|
return 0;
|
|
}
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
|
|
if (src_pitch[0] == dst_pitch) {
|
|
int luma_size = src_pitch[0] * disp_height_;
|
|
HIP_API_CALL(hipMemcpyHtoDAsync(p_frame_y, p_src_ptr_y, luma_size, hip_stream_));
|
|
} else {
|
|
// use 2d copy to copy an ROI
|
|
HIP_API_CALL(hipMemcpy2DAsync(p_frame_y, dst_pitch, p_src_ptr_y, src_pitch[0], dst_pitch, disp_height_, hipMemcpyHostToDevice, hip_stream_));
|
|
}
|
|
} else {
|
|
if (src_pitch[0] == dst_pitch) {
|
|
int luma_size = src_pitch[0] * disp_height_;
|
|
memcpy(p_frame_y, p_src_ptr_y, luma_size);
|
|
} else {
|
|
for (int i = 0; i < disp_height_; i++) {
|
|
memcpy(p_dec_frame, p_src_ptr_y, dst_pitch);
|
|
p_frame_y += dst_pitch;
|
|
p_src_ptr_y += src_pitch[0];
|
|
}
|
|
}
|
|
}
|
|
// Copy chroma plane ( )
|
|
// rocDec output gives pointer to luma and chroma pointers seperated for the decoded frame
|
|
uint8_t *p_frame_uv = p_dec_frame + dst_pitch * disp_height_;
|
|
uint8_t *p_src_ptr_uv = static_cast<uint8_t *>(src_ptr[1]) + ((disp_rect_.top + crop_rect_.top) >> 1) * src_pitch[1] + ((disp_rect_.left + crop_rect_.left)>>1) * byte_per_pixel_ ;
|
|
dst_pitch = chroma_width_ * byte_per_pixel_;
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
|
|
if (src_pitch[1] == dst_pitch) {
|
|
int chroma_size = chroma_height_ * dst_pitch;
|
|
HIP_API_CALL(hipMemcpyHtoDAsync(p_frame_uv, p_src_ptr_uv, chroma_size, hip_stream_));
|
|
} else {
|
|
// use 2d copy to copy an ROI
|
|
HIP_API_CALL(hipMemcpy2DAsync(p_frame_uv, dst_pitch, p_src_ptr_uv, src_pitch[1], dst_pitch, chroma_height_, hipMemcpyHostToDevice, hip_stream_));
|
|
}
|
|
} else {
|
|
if (src_pitch[1] == dst_pitch) {
|
|
int chroma_size = chroma_height_ * dst_pitch;
|
|
memcpy(p_frame_uv, p_src_ptr_uv, chroma_size);
|
|
}
|
|
else {
|
|
for (int i = 0; i < chroma_height_; i++) {
|
|
memcpy(p_frame_uv, p_src_ptr_uv, dst_pitch);
|
|
p_frame_uv += dst_pitch;
|
|
p_src_ptr_uv += src_pitch[1];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (num_chroma_planes_ == 2) {
|
|
uint8_t *p_frame_v = p_frame_uv + dst_pitch * chroma_height_;
|
|
uint8_t *p_src_ptr_v = static_cast<uint8_t *>(src_ptr[2]) + (disp_rect_.top + crop_rect_.top) * src_pitch[2] + ((disp_rect_.left + crop_rect_.left) >> 1) * byte_per_pixel_;
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
|
|
if (src_pitch[2] == dst_pitch) {
|
|
int chroma_size = chroma_height_ * dst_pitch;
|
|
HIP_API_CALL(hipMemcpyDtoDAsync(p_frame_v, p_src_ptr_v, chroma_size, hip_stream_));
|
|
} else {
|
|
// use 2d copy to copy an ROI
|
|
HIP_API_CALL(hipMemcpy2DAsync(p_frame_v, dst_pitch, p_src_ptr_v, src_pitch[2], dst_pitch, chroma_height_, hipMemcpyDeviceToDevice, hip_stream_));
|
|
}
|
|
}
|
|
else {
|
|
if (src_pitch[2] == dst_pitch) {
|
|
int chroma_size = chroma_height_ * dst_pitch;
|
|
memcpy(p_frame_v, p_src_ptr_v, chroma_size);
|
|
}
|
|
else {
|
|
for (int i = 0; i < chroma_height_; i++) {
|
|
memcpy(p_frame_v, p_src_ptr_v, dst_pitch);
|
|
p_frame_v += dst_pitch;
|
|
p_src_ptr_v += src_pitch[1];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) HIP_API_CALL(hipStreamSynchronize(hip_stream_));
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
int FFMpegVideoDecoder::DecodeFrame(const uint8_t *data, size_t size, int pkt_flags, int64_t pts, int *num_decoded_pics) {
|
|
output_frame_cnt_ = 0, output_frame_cnt_ret_ = 0;
|
|
decoded_pic_cnt_ = 0;
|
|
last_packet_ = { 0 };
|
|
last_packet_.payload = data;
|
|
last_packet_.payload_size = size;
|
|
last_packet_.flags = pkt_flags | ROCDEC_PKT_TIMESTAMP;
|
|
last_packet_.pts = pts;
|
|
if (!data || size == 0) {
|
|
last_packet_.flags |= ROCDEC_PKT_ENDOFSTREAM;
|
|
}
|
|
ROCDEC_API_CALL(rocDecParseVideoData(rocdec_parser_, &last_packet_));
|
|
if (num_decoded_pics) {
|
|
*num_decoded_pics = decoded_pic_cnt_;
|
|
}
|
|
return output_frame_cnt_;
|
|
}
|
|
|
|
|
|
uint8_t* FFMpegVideoDecoder::GetFrame(int64_t *pts) {
|
|
if (output_frame_cnt_ > 0) {
|
|
std::lock_guard<std::mutex> lock(mtx_vp_frame_);
|
|
if (vp_frames_ffmpeg_.size() > 0){
|
|
output_frame_cnt_--;
|
|
if (pts) *pts = vp_frames_ffmpeg_[output_frame_cnt_ret_].pts;
|
|
return vp_frames_ffmpeg_[output_frame_cnt_ret_++].frame_ptr;
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool FFMpegVideoDecoder::ReleaseFrame(int64_t pTimestamp, bool b_flushing) {
|
|
// if not flushing the buffers are re-used, so keep them
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_NOT_MAPPED || !b_flushing)
|
|
return true; // nothing to do
|
|
if (!b_flushing)
|
|
return true;
|
|
else {
|
|
// remove frames in flushing mode
|
|
std::lock_guard<std::mutex> lock(mtx_vp_frame_);
|
|
DecFrameBufferFFMpeg *fb = &vp_frames_ffmpeg_[0];
|
|
if (pTimestamp != fb->pts) {
|
|
std::cerr << "Decoded Frame is released out of order" << std::endl;
|
|
return false;
|
|
}
|
|
av_frame_free(&fb->av_frame_ptr);
|
|
vp_frames_ffmpeg_.erase(vp_frames_ffmpeg_.begin()); // get rid of the frames from the framestore
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void FFMpegVideoDecoder::InitOutputFrameInfo(AVFrame *p_frame) {
|
|
|
|
video_surface_format_ = AVPixelFormat2rocDecVideoSurfaceFormat((AVPixelFormat)p_frame->format);
|
|
surface_stride_ = target_width_ * byte_per_pixel_;
|
|
chroma_width_ = static_cast<int>(ceil(target_width_ * GetChromaWidthFactor(video_surface_format_)));
|
|
chroma_height_ = static_cast<int>(ceil(target_height_ * GetChromaHeightFactor(video_surface_format_)));
|
|
num_chroma_planes_ = GetChromaPlaneCount(video_surface_format_);
|
|
// Fill output_surface_info_
|
|
output_surface_info_.output_width = target_width_;
|
|
output_surface_info_.output_height = target_height_;
|
|
output_surface_info_.output_pitch = surface_stride_;
|
|
output_surface_info_.output_vstride = target_height_;
|
|
output_surface_info_.bit_depth = bitdepth_minus_8_ + 8;
|
|
output_surface_info_.bytes_per_pixel = byte_per_pixel_;
|
|
output_surface_info_.surface_format = video_surface_format_;
|
|
output_surface_info_.num_chroma_planes = num_chroma_planes_;
|
|
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
|
|
output_surface_info_.output_surface_size_in_bytes = GetFrameSize();
|
|
output_surface_info_.mem_type = OUT_SURFACE_MEM_DEV_COPIED;
|
|
} else if (out_mem_type_ == OUT_SURFACE_MEM_HOST_COPIED) {
|
|
output_surface_info_.output_surface_size_in_bytes = GetFrameSize();
|
|
output_surface_info_.mem_type = OUT_SURFACE_MEM_HOST_COPIED;
|
|
}
|
|
}
|
|
|
|
void FFMpegVideoDecoder::DecodeThread()
|
|
{
|
|
AVPacket *pkt;
|
|
do {
|
|
pkt = PopPacket();
|
|
DecodeAvFrame(pkt, dec_frames_[av_frame_cnt_]);
|
|
} while (!end_of_stream_);
|
|
}
|
|
|
|
int FFMpegVideoDecoder::DecodeAvFrame(AVPacket *av_pkt, AVFrame *p_frame) {
|
|
int status;
|
|
//send packet to av_codec
|
|
status = avcodec_send_packet(dec_context_, av_pkt);
|
|
if (status < 0) {
|
|
std::cout << "Error sending av packet for decoding: status: " << status << std::endl;
|
|
}
|
|
while (status >= 0) {
|
|
status = avcodec_receive_frame(dec_context_, p_frame);
|
|
if (status == AVERROR(EAGAIN) || status == AVERROR_EOF) {
|
|
end_of_stream_ = (status == AVERROR_EOF);
|
|
return 0;
|
|
}
|
|
else if (status < 0) {
|
|
std::cout << "Error during decoding" << std::endl;
|
|
return 0;
|
|
}
|
|
// for the first frame, initialize OutputsurfaceInfo
|
|
if (dec_context_->frame_number == 1) {
|
|
InitOutputFrameInfo(p_frame);
|
|
}
|
|
decoded_pic_cnt_++;
|
|
|
|
if (no_multithreading_)
|
|
av_frame_q_.push(p_frame);
|
|
else
|
|
PushFrame(p_frame); // add frame to the frame_q
|
|
av_frame_cnt_ = (av_frame_cnt_ + 1) % dec_frames_.size();
|
|
p_frame = dec_frames_[av_frame_cnt_]; //advance for next frame decode
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
void FFMpegVideoDecoder::SaveFrameToFile(std::string output_file_name, void *surf_mem, OutputSurfaceInfo *surf_info, size_t rgb_image_size) {
|
|
uint8_t *hst_ptr = nullptr;
|
|
bool is_rgb = (rgb_image_size != 0);
|
|
uint64_t output_image_size = is_rgb ? rgb_image_size : surf_info->output_surface_size_in_bytes;
|
|
if (surf_info->mem_type == OUT_SURFACE_MEM_DEV_COPIED) {
|
|
if (hst_ptr == nullptr) {
|
|
hst_ptr = new uint8_t [output_image_size];
|
|
}
|
|
hipError_t hip_status = hipSuccess;
|
|
hip_status = hipMemcpyDtoH((void *)hst_ptr, surf_mem, output_image_size);
|
|
if (hip_status != hipSuccess) {
|
|
std::cerr << "ERROR: hipMemcpyDtoH failed! (" << hipGetErrorName(hip_status) << ")" << std::endl;
|
|
delete [] hst_ptr;
|
|
return;
|
|
}
|
|
} else
|
|
hst_ptr = static_cast<uint8_t *> (surf_mem);
|
|
|
|
|
|
if (current_output_filename.empty()) {
|
|
current_output_filename = output_file_name;
|
|
}
|
|
|
|
// don't overwrite to the same file if reconfigure is detected for a resolution changes.
|
|
if (is_decoder_reconfigured_) {
|
|
if (fp_out_) {
|
|
fclose(fp_out_);
|
|
fp_out_ = nullptr;
|
|
}
|
|
// Append the width and height of the new stream to the old file name to create a file name to save the new frames
|
|
// do this only if resolution changes within a stream (e.g., decoding a multi-resolution stream using the videoDecode app)
|
|
// don't append to the output_file_name if multiple output file name is provided (e.g., decoding multi-files using the videDecodeMultiFiles)
|
|
if (!current_output_filename.compare(output_file_name)) {
|
|
std::string::size_type const pos(output_file_name.find_last_of('.'));
|
|
extra_output_file_count_++;
|
|
std::string to_append = "_" + std::to_string(surf_info->output_width) + "_" + std::to_string(surf_info->output_height) + "_" + std::to_string(extra_output_file_count_);
|
|
if (pos != std::string::npos) {
|
|
output_file_name.insert(pos, to_append);
|
|
} else {
|
|
output_file_name += to_append;
|
|
}
|
|
}
|
|
is_decoder_reconfigured_ = false;
|
|
}
|
|
|
|
if (fp_out_ == nullptr) {
|
|
fp_out_ = fopen(output_file_name.c_str(), "wb");
|
|
}
|
|
if (fp_out_) {
|
|
if (!is_rgb) {
|
|
uint8_t *tmp_hst_ptr = hst_ptr;
|
|
int img_width = surf_info->output_width;
|
|
int img_height = surf_info->output_height;
|
|
int output_stride = surf_info->output_pitch;
|
|
if (img_width * surf_info->bytes_per_pixel == output_stride && img_height == surf_info->output_vstride) {
|
|
fwrite(hst_ptr, 1, output_image_size, fp_out_);
|
|
} else {
|
|
uint32_t width = surf_info->output_width * surf_info->bytes_per_pixel;
|
|
if (surf_info->bit_depth <= 16) {
|
|
for (int i = 0; i < surf_info->output_height; i++) {
|
|
fwrite(tmp_hst_ptr, 1, width, fp_out_);
|
|
tmp_hst_ptr += output_stride;
|
|
}
|
|
// dump chroma
|
|
uint32_t chroma_stride = (output_stride >> 1);
|
|
uint8_t *u_hst_ptr = hst_ptr + output_stride * surf_info->output_height;
|
|
uint8_t *v_hst_ptr = u_hst_ptr + chroma_stride * chroma_height_;
|
|
for (int i = 0; i < chroma_height_; i++) {
|
|
fwrite(u_hst_ptr, 1, chroma_width_, fp_out_);
|
|
u_hst_ptr += chroma_stride;
|
|
}
|
|
if (num_chroma_planes_ == 2) {
|
|
for (int i = 0; i < chroma_height_; i++) {
|
|
fwrite(v_hst_ptr, 1, chroma_width_, fp_out_);
|
|
v_hst_ptr += chroma_stride;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
fwrite(hst_ptr, 1, rgb_image_size, fp_out_);
|
|
}
|
|
}
|
|
|
|
if (hst_ptr && (surf_info->mem_type != OUT_SURFACE_MEM_HOST_COPIED)) {
|
|
delete [] hst_ptr;
|
|
}
|
|
}
|