ffmpeg software decoder implementation (#461)

* 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>

[ROCm/rocdecode commit: 52eb62fabf]
This commit is contained in:
Rajy Rawther
2024-12-04 11:11:02 -08:00
committed by GitHub
orang tua a7fd0610e3
melakukan fb82691ef2
9 mengubah file dengan 1213 tambahan dan 81 penghapusan
+2
Melihat File
@@ -36,6 +36,8 @@ Full documentation for rocDecode is available at [https://rocm.docs.amd.com/proj
* Clang is now the default CXX compiler.
* The new minimum supported version of va-api is 1.16.
* New build and runtime options have been added to the `rocDecode-setup.py` setup script.
* Added FFMpeg based software decoding into utils.
* Modified videodecode sample to allow FFMpeg based decoding
### Removed
+1
Melihat File
@@ -171,6 +171,7 @@ if(HIP_FOUND AND Libva_FOUND)
# install rocDecode samples -- {ROCM_PATH}/share/rocdecode
install(DIRECTORY cmake DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME} COMPONENT dev)
install(DIRECTORY utils/rocvideodecode DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/utils COMPONENT dev)
install(DIRECTORY utils/ffmpegvideodecode DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/utils COMPONENT dev)
install(FILES samples/videoDecode/CMakeLists.txt samples/videoDecode/README.md samples/videoDecode/videodecode.cpp DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/samples/videoDecode COMPONENT dev)
install(FILES samples/videoDecodeMem/CMakeLists.txt samples/videoDecodeMem/README.md samples/videoDecodeMem/videodecodemem.cpp DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/samples/videoDecodeMem COMPONENT dev)
install(FILES samples/videoDecodePerf/CMakeLists.txt samples/videoDecodePerf/README.md samples/videoDecodePerf/videodecodeperf.cpp DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}/samples/videoDecodePerf COMPONENT dev)
+3
Melihat File
@@ -107,6 +107,9 @@ typedef enum rocDecVideoSurfaceFormat_enum {
rocDecVideoSurfaceFormat_YUV444 = 2, /**< Planar YUV [Y plane followed by U and V planes] */
rocDecVideoSurfaceFormat_YUV444_16Bit = 3, /**< 16 bit Planar YUV [Y plane followed by U and V planes].
Can be used for 10 bit(6LSB bits 0), 12 bit (4LSB bits 0) */
rocDecVideoSurfaceFormat_YUV420 = 4, /**< Planar YUV [Y plane followed by U and V planes in 4:2:0 format] */
rocDecVideoSurfaceFormat_YUV420_16Bit = 5, /**< 16 bit Planar YUV [Y plane followed by U and V planes in ].
Can be used for 10 bit(LSB), 12 bit (LSB) */
} rocDecVideoSurfaceFormat;
/**************************************************************************************************************/
@@ -72,10 +72,10 @@ if(HIP_FOUND AND FFMPEG_FOUND AND ROCDECODE_FOUND)
${AVFORMAT_INCLUDE_DIR})
set(LINK_LIBRARY_LIST ${LINK_LIBRARY_LIST} ${FFMPEG_LIBRARIES})
# rocDecode and utils
include_directories (${ROCDECODE_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/../../utils ${CMAKE_CURRENT_SOURCE_DIR}/../../utils/rocvideodecode)
include_directories (${ROCDECODE_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/.. ${CMAKE_CURRENT_SOURCE_DIR}/../../utils ${CMAKE_CURRENT_SOURCE_DIR}/../../utils/rocvideodecode ${CMAKE_CURRENT_SOURCE_DIR}/../../utils/ffmpegvideodecode)
set(LINK_LIBRARY_LIST ${LINK_LIBRARY_LIST} ${ROCDECODE_LIBRARY})
# sample app exe
list(APPEND SOURCES ${PROJECT_SOURCE_DIR} videodecode.cpp ${CMAKE_CURRENT_SOURCE_DIR}/../../utils/rocvideodecode/roc_video_dec.cpp)
list(APPEND SOURCES ${PROJECT_SOURCE_DIR} videodecode.cpp ${CMAKE_CURRENT_SOURCE_DIR}/../../utils/rocvideodecode/roc_video_dec.cpp ${CMAKE_CURRENT_SOURCE_DIR}/../../utils/ffmpegvideodecode/ffmpeg_video_dec.cpp)
add_executable(${PROJECT_NAME} ${SOURCES})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++17")
target_link_libraries(${PROJECT_NAME} ${LINK_LIBRARY_LIST})
@@ -38,6 +38,7 @@ THE SOFTWARE.
#endif
#include "video_demuxer.h"
#include "roc_video_dec.h"
#include "ffmpeg_video_dec.h"
#include "common.h"
void ShowHelpAndExit(const char *option = NULL) {
@@ -45,6 +46,7 @@ void ShowHelpAndExit(const char *option = NULL) {
<< "-i Input File Path - required" << std::endl
<< "-o Output File Path - dumps output if requested; optional" << std::endl
<< "-d GPU device ID (0 for the first device, 1 for the second, etc.); optional; default: 0" << std::endl
<< "-backend backend (0 for GPU, 1 CPU-FFMpeg, 2 CPU-FFMpeg No threading); optional; default: 0" << std::endl
<< "-f Number of decoded frames - specify the number of pictures to be decoded; optional" << std::endl
<< "-z force_zero_latency (force_zero_latency, Decoded frames will be flushed out for display immediately); optional;" << std::endl
<< "-disp_delay -specify the number of frames to be delayed for display; optional; default: 1" << std::endl
@@ -68,6 +70,7 @@ int main(int argc, char **argv) {
int dump_output_frames = 0;
int device_id = 0;
int disp_delay = 1;
int backend = 0;
bool b_force_zero_latency = false; // false by default: enabling this option might affect decoding performance
bool b_extract_sei_messages = false;
bool b_generate_md5 = false;
@@ -106,6 +109,14 @@ int main(int argc, char **argv) {
dump_output_frames = 1;
continue;
}
if (!strcmp(argv[i], "-backend")) {
if (++i == argc) {
ShowHelpAndExit("-backend");
}
backend = atoi(argv[i]);
continue;
}
if (!strcmp(argv[i], "-d")) {
if (++i == argc) {
ShowHelpAndExit("-d");
@@ -203,18 +214,30 @@ int main(int argc, char **argv) {
try {
std::size_t found_file = input_file_path.find_last_of('/');
std::cout << "info: Input file: " << input_file_path.substr(found_file + 1) << std::endl;
RocVideoDecoder *viddec;
VideoDemuxer demuxer(input_file_path.c_str());
VideoSeekContext video_seek_ctx;
rocDecVideoCodec rocdec_codec_id = AVCodec2RocDecVideoCodec(demuxer.GetCodecID());
RocVideoDecoder viddec(device_id, mem_type, rocdec_codec_id, b_force_zero_latency, p_crop_rect, b_extract_sei_messages, disp_delay);
if(!viddec.CodecSupported(device_id, rocdec_codec_id, demuxer.GetBitDepth())) {
std::cerr << "GPU doesn't support codec!" << std::endl;
if (!backend) // gpu backend
viddec = new RocVideoDecoder(device_id, mem_type, rocdec_codec_id, b_force_zero_latency, p_crop_rect, b_extract_sei_messages, disp_delay);
else {
std::cout << "info: RocDecode is using CPU backend!" << std::endl;
bool use_threading = false;
if (mem_type == OUT_SURFACE_MEM_DEV_INTERNAL) mem_type = OUT_SURFACE_MEM_DEV_COPIED; // mem_type internal is not supported in this mode
if (backend == 1) {
viddec = new FFMpegVideoDecoder(device_id, mem_type, rocdec_codec_id, b_force_zero_latency, p_crop_rect, b_extract_sei_messages, disp_delay);
} else
viddec = new FFMpegVideoDecoder(device_id, mem_type, rocdec_codec_id, b_force_zero_latency, p_crop_rect, b_extract_sei_messages, disp_delay, true);
}
if(!viddec->CodecSupported(device_id, rocdec_codec_id, demuxer.GetBitDepth())) {
std::cerr << "rocDecode doesn't support codec!" << std::endl;
return 0;
}
std::string device_name, gcn_arch_name;
int pci_bus_id, pci_domain_id, pci_device_id;
viddec.GetDeviceinfo(device_name, gcn_arch_name, pci_bus_id, pci_domain_id, pci_device_id);
viddec->GetDeviceinfo(device_name, gcn_arch_name, pci_bus_id, pci_domain_id, pci_device_id);
std::cout << "info: Using GPU device " << device_id << " - " << device_name << "[" << gcn_arch_name << "] on PCI bus " <<
std::setfill('0') << std::setw(2) << std::right << std::hex << pci_bus_id << ":" << std::setfill('0') << std::setw(2) <<
std::right << std::hex << pci_domain_id << "." << pci_device_id << std::dec << std::endl;
@@ -244,9 +267,9 @@ int main(int argc, char **argv) {
reconfig_params.p_reconfig_user_struct = &reconfig_user_struct;
if (b_generate_md5) {
viddec.InitMd5();
viddec->InitMd5();
}
viddec.SetReconfigParams(&reconfig_params);
viddec->SetReconfigParams(&reconfig_params);
do {
auto start_time = std::chrono::high_resolution_clock::now();
@@ -275,22 +298,22 @@ int main(int argc, char **argv) {
if (n_video_bytes == 0) {
pkg_flags |= ROCDEC_PKT_ENDOFSTREAM;
}
n_frame_returned = viddec.DecodeFrame(pvideo, n_video_bytes, pkg_flags, pts, &decoded_pics);
n_frame_returned = viddec->DecodeFrame(pvideo, n_video_bytes, pkg_flags, pts, &decoded_pics);
if (!n_frame && !viddec.GetOutputSurfaceInfo(&surf_info)) {
if (!n_frame && !viddec->GetOutputSurfaceInfo(&surf_info)) {
std::cerr << "Error: Failed to get Output Surface Info!" << std::endl;
break;
}
for (int i = 0; i < n_frame_returned; i++) {
pframe = viddec.GetFrame(&pts);
pframe = viddec->GetFrame(&pts);
if (b_generate_md5) {
viddec.UpdateMd5ForFrame(pframe, surf_info);
viddec->UpdateMd5ForFrame(pframe, surf_info);
}
if (dump_output_frames && mem_type != OUT_SURFACE_MEM_NOT_MAPPED) {
viddec.SaveFrameToFile(output_file_path, pframe, surf_info);
viddec->SaveFrameToFile(output_file_path, pframe, surf_info);
}
// release frame
viddec.ReleaseFrame(pts);
viddec->ReleaseFrame(pts);
}
auto end_time = std::chrono::high_resolution_clock::now();
auto time_per_decode = std::chrono::duration<double, std::milli>(end_time - start_time).count();
@@ -303,7 +326,7 @@ int main(int argc, char **argv) {
} while (n_video_bytes);
n_frame += viddec.GetNumOfFlushedFrames();
n_frame += viddec->GetNumOfFlushedFrames();
std::cout << "info: Total pictures decoded: " << n_pic_decoded << std::endl;
std::cout << "info: Total frames output/displayed: " << n_frame << std::endl;
if (!dump_output_frames) {
@@ -320,7 +343,7 @@ int main(int argc, char **argv) {
}
if (b_generate_md5) {
uint8_t *digest;
viddec.FinalizeMd5(&digest);
viddec->FinalizeMd5(&digest);
std::cout << "MD5 message digest: ";
for (int i = 0; i < 16; i++) {
std::cout << std::setfill('0') << std::setw(2) << std::hex << static_cast<int>(digest[i]);
@@ -0,0 +1,857 @@
/*
Copyright (c) 2023 - 2024 Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#include "ffmpeg_video_dec.h"
/**
* @brief helper function for inferring AVCodecID from rocDecVideoCodec
*
* @param rocdec_codec
* @return AVCodecID
*/
static inline AVCodecID RocDecVideoCodec2AVCodec(rocDecVideoCodec rocdec_codec) {
switch (rocdec_codec) {
case rocDecVideoCodec_MPEG1 : return AV_CODEC_ID_MPEG1VIDEO;
case rocDecVideoCodec_MPEG2 : return AV_CODEC_ID_MPEG2VIDEO;
case rocDecVideoCodec_MPEG4 : return AV_CODEC_ID_MPEG4;
case rocDecVideoCodec_AVC : return AV_CODEC_ID_H264;
case rocDecVideoCodec_HEVC : return AV_CODEC_ID_HEVC;
case rocDecVideoCodec_VP8 : return AV_CODEC_ID_VP8;
case rocDecVideoCodec_VP9 : return AV_CODEC_ID_VP9;
case rocDecVideoCodec_JPEG : return AV_CODEC_ID_MJPEG;
case rocDecVideoCodec_AV1 : return AV_CODEC_ID_AV1;
default : return AV_CODEC_ID_NONE;
}
}
static inline float GetChromaWidthFactor(rocDecVideoSurfaceFormat surface_format) {
float factor = 0.5;
switch (surface_format) {
case rocDecVideoSurfaceFormat_NV12:
case rocDecVideoSurfaceFormat_P016:
factor = 1.0;
break;
case rocDecVideoSurfaceFormat_YUV444:
case rocDecVideoSurfaceFormat_YUV444_16Bit:
factor = 1.0;
break;
case rocDecVideoSurfaceFormat_YUV420:
case rocDecVideoSurfaceFormat_YUV420_16Bit:
factor = 0.5;
break;
}
return factor;
};
/**
* @brief helper function for inferring AVCodecID from rocDecVideoSurfaceFormat
*
* @param rocdec_codec
* @return AVCodecID
*/
static inline rocDecVideoSurfaceFormat AVPixelFormat2rocDecVideoSurfaceFormat(AVPixelFormat av_pixel_format) {
switch (av_pixel_format) {
case AV_PIX_FMT_YUV420P :
case AV_PIX_FMT_YUVJ420P :
return rocDecVideoSurfaceFormat_YUV420;
case AV_PIX_FMT_YUV444P :
case AV_PIX_FMT_YUVJ444P :
return rocDecVideoSurfaceFormat_YUV444;
case AV_PIX_FMT_YUV420P10LE :
case AV_PIX_FMT_YUV420P12LE :
return rocDecVideoSurfaceFormat_YUV420_16Bit;
default :
std::cerr << "ERROR: " << av_get_pix_fmt_name(av_pixel_format) << " pixel_format is not supported!" << std::endl;
return rocDecVideoSurfaceFormat_NV12; // for sanity
}
}
FFMpegVideoDecoder::FFMpegVideoDecoder(int device_id, OutputSurfaceMemoryType out_mem_type, rocDecVideoCodec codec, bool force_zero_latency,
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) :
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) {
if ((out_mem_type_ == OUT_SURFACE_MEM_DEV_INTERNAL) || (out_mem_type_ == OUT_SURFACE_MEM_NOT_MAPPED)) {
THROW("Output Memory Type is not supported");
}
if (rocdec_parser_) {
rocDecDestroyVideoParser(rocdec_parser_); // need to do this here since it was already created in the base class
// create rocdec videoparser
RocdecParserParams parser_params = {};
parser_params.codec_type = codec_id_;
parser_params.max_num_decode_surfaces = 1; // let the parser to determine the decode buffer pool size
parser_params.clock_rate = clk_rate;
parser_params.max_display_delay = disp_delay_;
parser_params.user_data = this;
parser_params.pfn_sequence_callback = FFMpegHandleVideoSequenceProc;
parser_params.pfn_decode_picture = FFMpegHandlePictureDecodeProc;
parser_params.pfn_display_picture = FFMpegHandlePictureDisplayProc;
parser_params.pfn_get_sei_msg = b_extract_sei_message_ ? RocVideoDecoder::HandleSEIMessagesProc : NULL;
ROCDEC_API_CALL(rocDecCreateVideoParser(&rocdec_parser_, &parser_params));
}
if (!no_multithreading_) {
// start the FFMpeg decoding thread
ffmpeg_decoder_thread_ = new std::thread(&FFMpegVideoDecoder::DecodeThread, this);
if (!ffmpeg_decoder_thread_) {
THROW("FFMpegVideoDecoder create thread failed");
}
}
}
FFMpegVideoDecoder::~FFMpegVideoDecoder() {
std::lock_guard<std::mutex> lock(mtx_vp_frame_);
for (auto &p_frame : vp_frames_ffmpeg_) {
if (p_frame.frame_ptr) {
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
hipError_t hip_status = hipFree(p_frame.frame_ptr);
if (hip_status != hipSuccess) {
std::cerr << "ERROR: hipFree failed! (" << hip_status << ")" << std::endl;
}
}
}
}
// release frame_q
while (!dec_frames_.empty()) {
av_frame_free(&dec_frames_.back());
dec_frames_.pop_back();
}
// free av_packet_data_
while (!av_packet_data_.empty()) {
std::pair<uint8_t *, int> *packet_data = &av_packet_data_.back();
av_freep(&packet_data->first);
av_packet_data_.pop_back();
}
//release av_packets
while (!av_packets_.empty()) {
av_packet_free(&av_packets_.back());
av_packets_.pop_back();
}
if (dec_context_) {
avcodec_free_context(&dec_context_);
}
}
/* Return value from HandleVideoSequence() are interpreted as :
* 0: fail, 1: succeeded, > 1: override dpb size of parser (set by CUVIDPARSERPARAMS::max_num_decode_surfaces while creating parser)
*/
int FFMpegVideoDecoder::HandleVideoSequence(RocdecVideoFormat *p_video_format) {
if (p_video_format == nullptr) {
ROCDEC_THROW("Rocdec:: Invalid video format in HandleVideoSequence: ", ROCDEC_INVALID_PARAMETER);
return 0;
}
auto start_time = StartTimer();
input_video_info_str_.str("");
input_video_info_str_.clear();
input_video_info_str_ << "Input Video Information" << std::endl
<< "\tCodec : " << GetCodecFmtName(p_video_format->codec) << std::endl;
if (p_video_format->frame_rate.numerator && p_video_format->frame_rate.denominator) {
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;
}
input_video_info_str_ << "\tSequence : " << (p_video_format->progressive_sequence ? "Progressive" : "Interlaced") << 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
<< "\tBit depth : " << p_video_format->bit_depth_luma_minus8 + 8
;
input_video_info_str_ << std::endl;
int num_decode_surfaces = p_video_format->min_num_decode_surfaces;
// check if the codec is supported in FFMpeg
// Initialize FFMpeg and find the decoder for codec
if (!decoder_) decoder_ = avcodec_find_decoder(RocDecVideoCodec2AVCodec(p_video_format->codec));
if(!decoder_) {
ROCDEC_THROW("rocDecode<FFMpeg>:: Codec not supported by FFMpeg ", ROCDEC_NOT_SUPPORTED);
return 0;
}
if (!dec_context_) {
dec_context_ = avcodec_alloc_context3(decoder_); //alloc dec_context_
if (!dec_context_) {
THROW("Could not allocate video codec context");
}
// open the codec
if (avcodec_open2(dec_context_, decoder_, NULL) < 0) {
THROW("Could not open codec");
}
// get the output pixel format from dec_context_
decoder_pixel_format_ = (dec_context_->pix_fmt == AV_PIX_FMT_NONE) ? AV_PIX_FMT_YUV420P : dec_context_->pix_fmt;
dec_context_->thread_count = 4;
dec_context_->thread_type = FF_THREAD_FRAME;
}
// allocate av_frame buffer pool for number of surfaces
if (dec_frames_.empty()) {
for (int i = 0; i < num_decode_surfaces; i++) {
AVFrame *p_frame = av_frame_alloc();
dec_frames_.push_back(p_frame);
}
av_frame_cnt_ = 0;
}
if (av_packet_data_.empty()) {
for (int i = 0; i < num_decode_surfaces; i++) {
uint8_t *pkt_data = static_cast<uint8_t *> (av_malloc(MAX_AV_PACKET_DATA_SIZE));
av_packet_data_.push_back(std::make_pair(pkt_data, MAX_AV_PACKET_DATA_SIZE));
}
}
// allocate av_packets_ for decoding
if (av_packets_.empty()) {
for (int i = 0; i < num_decode_surfaces; i++) {
AVPacket *pkt = av_packet_alloc();
pkt->data = static_cast<uint8_t *> (av_packet_data_[i].first);
pkt->size = av_packet_data_[i].second;
av_packets_.push_back(pkt);
}
}
if (curr_video_format_ptr_ == nullptr) {
curr_video_format_ptr_ = new RocdecVideoFormat();
}
// store current video format: this is required to call reconfigure from application in case of random seek
if (curr_video_format_ptr_) memcpy(curr_video_format_ptr_, p_video_format, sizeof(RocdecVideoFormat));
if (coded_width_ && coded_height_) {
end_of_stream_ = false;
// rocdecCreateDecoder() has been called before, and now there's possible config change
return ReconfigureDecoder(p_video_format);
}
// e_codec has been set in the constructor (for parser). Here it's set again for potential correction
codec_id_ = p_video_format->codec;
video_chroma_format_ = p_video_format->chroma_format;
bitdepth_minus_8_ = p_video_format->bit_depth_luma_minus8;
byte_per_pixel_ = bitdepth_minus_8_ > 0 ? 2 : 1;
// convert AVPixelFormat to rocDecVideoChromaFormat
video_surface_format_ = AVPixelFormat2rocDecVideoSurfaceFormat(decoder_pixel_format_);
coded_width_ = p_video_format->coded_width;
coded_height_ = p_video_format->coded_height;
disp_rect_.top = p_video_format->display_area.top;
disp_rect_.bottom = p_video_format->display_area.bottom;
disp_rect_.left = p_video_format->display_area.left;
disp_rect_.right = p_video_format->display_area.right;
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;
// AV1 has max width/height of sequence in sequence header
if (codec_id_ == rocDecVideoCodec_AV1 && p_video_format->seqhdr_data_length > 0) {
// dont overwrite if it is already set from cmdline or reconfig.txt
if (!(max_width_ > p_video_format->coded_width || max_height_ > p_video_format->coded_height)) {
RocdecVideoFormatEx *vidFormatEx = (RocdecVideoFormatEx *)p_video_format;
max_width_ = vidFormatEx->max_width;
max_height_ = vidFormatEx->max_height;
}
}
if (max_width_ < static_cast<int>(p_video_format->coded_width))
max_width_ = p_video_format->coded_width;
if (max_height_ < static_cast<int>(p_video_format->coded_height))
max_height_ = p_video_format->coded_height;
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;
}
chroma_height_ = static_cast<int>(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 (video_chroma_format_ == rocDecVideoChromaFormat_Monochrome) num_chroma_planes_ = 0;
surface_stride_ = target_width_ * byte_per_pixel_;
chroma_vstride_ = static_cast<int>(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 = 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;
}
input_video_info_str_ << "Video Decoding Params:" << std::endl
<< "\tNum Surfaces : " << num_decode_surfaces << std::endl
<< "\tCrop : [" << disp_rect_.left << ", " << disp_rect_.top << ", "
<< disp_rect_.right << ", " << disp_rect_.bottom << "]" << std::endl
<< "\tResize : " << target_width_ << "x" << target_height_ << std::endl
;
input_video_info_str_ << std::endl;
std::cout << input_video_info_str_.str();
double elapsed_time = StopTimer(start_time);
AddDecoderSessionOverHead(std::this_thread::get_id(), elapsed_time);
return num_decode_surfaces;
}
/**
* @brief function to reconfigure decoder if there is a change in sequence params.
*
* @param p_video_format
* @return int 1: success 0: fail
*/
int FFMpegVideoDecoder::ReconfigureDecoder(RocdecVideoFormat *p_video_format) {
if (p_video_format->codec != codec_id_) {
ROCDEC_THROW("Reconfigure Not supported for codec change", ROCDEC_NOT_SUPPORTED);
return 0;
}
if (p_video_format->chroma_format != video_chroma_format_) {
ROCDEC_THROW("Reconfigure Not supported for chroma format change", ROCDEC_NOT_SUPPORTED);
return 0;
}
if (p_video_format->bit_depth_luma_minus8 != bitdepth_minus_8_){
ROCDEC_THROW("Reconfigure Not supported for bit depth change", ROCDEC_NOT_SUPPORTED);
return 0;
}
bool is_decode_res_changed = !(p_video_format->coded_width == coded_width_ && p_video_format->coded_height == coded_height_);
bool is_display_rect_changed = !(p_video_format->display_area.bottom == disp_rect_.bottom &&
p_video_format->display_area.top == disp_rect_.top &&
p_video_format->display_area.left == disp_rect_.left &&
p_video_format->display_area.right == disp_rect_.right);
if (!is_decode_res_changed && !is_display_rect_changed && !b_force_recofig_flush_) {
return 1;
}
// Flush and clear internal frame store to reconfigure when either coded size or display size has changed.
if (p_reconfig_params_ && p_reconfig_params_->p_fn_reconfigure_flush)
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));
// clear the existing output buffers of different size
// note that app lose the remaining frames in the vp_frames in case application didn't set p_fn_reconfigure_flush_ callback
std::lock_guard<std::mutex> lock(mtx_vp_frame_);
while(!vp_frames_ffmpeg_.empty()) {
DecFrameBufferFFMpeg *p_frame = &vp_frames_ffmpeg_.back();
// pop decoded frame
vp_frames_ffmpeg_.pop_back();
if (p_frame->frame_ptr) {
if (out_mem_type_ == OUT_SURFACE_MEM_DEV_COPIED) {
hipError_t hip_status = hipFree(p_frame->frame_ptr);
if (hip_status != hipSuccess) std::cerr << "ERROR: hipFree failed! (" << hip_status << ")" << std::endl;
}
}
// release associated av_frame
if (p_frame->av_frame_ptr) {
av_frame_free(&p_frame->av_frame_ptr);
}
}
output_frame_cnt_ = 0; // reset frame_count
if (is_decode_res_changed) {
coded_width_ = p_video_format->coded_width;
coded_height_ = p_video_format->coded_height;
}
if (is_display_rect_changed) {
disp_rect_.left = p_video_format->display_area.left;
disp_rect_.right = p_video_format->display_area.right;
disp_rect_.top = p_video_format->display_area.top;
disp_rect_.bottom = p_video_format->display_area.bottom;
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;
}
}
@@ -0,0 +1,236 @@
/*
Copyright (c) 2023 - 2024 Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#pragma once
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/pixdesc.h>
#if USE_AVCODEC_GREATER_THAN_58_134
#include <libavcodec/bsf.h>
#endif
}
#include "rocvideodecode/roc_video_dec.h" // for derived class
#include <mutex>
#include <condition_variable>
#include <queue>
#include <atomic>
#define MAX_AV_PACKET_DATA_SIZE 4096
typedef struct DecFrameBufferFFMpeg_ {
AVFrame *av_frame_ptr; /**< av_frame pointer for the decoded frame */
uint8_t *frame_ptr; /**< host/device memory pointer for the decoded frame depending on mem_type*/
int64_t pts; /**< timestamp for the decoded frame */
int picture_index; /**< surface index for the decoded frame */
} DecFrameBufferFFMpeg;
typedef struct DecPacketBuffer_
{
AVPacket *av_pckt;
int av_frame_index;
} DecPacketBuffer;
class FFMpegVideoDecoder: public RocVideoDecoder {
public:
/**
* @brief Construct a new FFMpegVideoDecoder object
*
* @param num_threads : number of cpu threads for the decoder
* @param out_mem_type : out_mem_type for the decoded surface
* @param codec : codec type
* @param force_zero_latency : no support in FFMpeg decoding (false)
* @param p_crop_rect : to crop output
* @param extract_user_SEI_Message : enable to extract SEI
* @param disp_delay : output delayed by #disp_delay surfaces
* @param max_width : Max. width for the output surface
* @param max_height : Max. height for the output surface
* @param clk_rate : FPS clock-rate
* @param no_multithreading : run FFMpeg decoder in the main thread (no multithreading)
*/
FFMpegVideoDecoder(int num_threads, OutputSurfaceMemoryType out_mem_type, rocDecVideoCodec codec, bool force_zero_latency = false,
const Rect *p_crop_rect = nullptr, bool extract_user_SEI_Message = false, uint32_t disp_delay = 0, bool no_multithreading = false, int max_width = 0, int max_height = 0,
uint32_t clk_rate = 1000);
/**
* @brief destructor
*
*/
~FFMpegVideoDecoder();
/**
* @brief this function decodes a frame and returns the number of frames avalable for display
*
* @param data - pointer to the compressed data buffer that is to be decoded
* @param size - size of the data buffer in bytes
* @param pts - presentation timestamp
* @param flags - video packet flags
* @param num_decoded_pics - nummber of pictures decoded in this call
* @return int - num of frames to display
*/
int DecodeFrame(const uint8_t *data, size_t size, int pkt_flags, int64_t pts = 0, int *num_decoded_pics = nullptr);
/**
* @brief This function returns a decoded frame and timestamp. This should be called in a loop fetching all the available frames
*
*/
uint8_t* GetFrame(int64_t *pts);
/**
* @brief function to release frame after use by the application: Only used with "OUT_SURFACE_MEM_DEV_INTERNAL"
*
* @param pTimestamp - timestamp of the frame to be released (unmapped)
* @param b_flushing - true when flushing
* @return true - success
* @return false - falied
*/
bool ReleaseFrame(int64_t pTimestamp, bool b_flushing = false);
/**
* @brief Helper function to dump decoded output surface to file
*
* @param output_file_name - Output file name
* @param dev_mem - pointer to surface memory
* @param surf_info - surface info
* @param rgb_image_size - image size for rgb (optional). A non_zero value indicates the surf_mem holds an rgb interleaved image and the entire size will be dumped to file
*/
void SaveFrameToFile(std::string output_file_name, void *surf_mem, OutputSurfaceInfo *surf_info, size_t rgb_image_size = 0);
/**
* @brief This function is used to get the current frame size based on pixel format.
*/
virtual int GetFrameSize() { assert(disp_width_); return ((disp_width_ * disp_height_) + ((chroma_height_ * chroma_width_) * num_chroma_planes_)) * byte_per_pixel_; }
private:
/**
* @brief Callback function to be registered for getting a callback when decoding of sequence starts
*/
static int ROCDECAPI FFMpegHandleVideoSequenceProc(void *p_user_data, RocdecVideoFormat *p_video_format) { return ((FFMpegVideoDecoder *)p_user_data)->HandleVideoSequence(p_video_format); }
/**
* @brief Callback function to be registered for getting a callback when a decoded frame is ready to be decoded
*/
static int ROCDECAPI FFMpegHandlePictureDecodeProc(void *p_user_data, RocdecPicParams *p_pic_params) { return ((FFMpegVideoDecoder *)p_user_data)->HandlePictureDecode(p_pic_params); }
/**
* @brief Callback function to be registered for getting a callback when a decoded frame is available for display
*/
static int ROCDECAPI FFMpegHandlePictureDisplayProc(void *p_user_data, RocdecParserDispInfo *p_disp_info) { return ((FFMpegVideoDecoder *)p_user_data)->HandlePictureDisplay(p_disp_info); }
/**
* @brief Callback function to be registered for getting a callback when all the unregistered user SEI Messages are parsed for a frame.
*/
static int ROCDECAPI FFMpegHandleSEIMessagesProc(void *p_user_data, RocdecSeiMessageInfo *p_sei_message_info) { return ((FFMpegVideoDecoder *)p_user_data)->GetSEIMessage(p_sei_message_info); }
/**
* @brief This function gets called when a sequence is ready to be decoded. The function also gets called
when there is format change
*/
int HandleVideoSequence(RocdecVideoFormat *p_video_format);
/**
* @brief This function gets called when a picture is ready to be decoded. cuvidDecodePicture is called from this function
* to decode the picture
*/
int HandlePictureDecode(RocdecPicParams *p_pic_params);
/**
* @brief This function gets called after a picture is decoded and available for display. Frames are fetched and stored in
internal buffer
*/
int HandlePictureDisplay(RocdecParserDispInfo *p_disp_info);
/**
* @brief This function gets called when all unregistered user SEI messages are parsed for a frame
*/
int GetSEIMessage(RocdecSeiMessageInfo *p_sei_message_info) { return RocVideoDecoder::GetSEIMessage(p_sei_message_info);};
/**
* @brief This function reconfigure decoder if there is a change in sequence params.
*/
int ReconfigureDecoder(RocdecVideoFormat *p_video_format);
void DecodeThread();
int DecodeAvFrame(AVPacket *av_pkt, AVFrame *p_frame);
void InitOutputFrameInfo(AVFrame *p_frame);
void PushPacket(AVPacket *pkt) {
{
std::lock_guard<std::mutex> lock(mtx_pkt_q_);
av_packet_q_.push(pkt);
}
cv_pkt_.notify_one();
}
AVPacket *PopPacket() {
AVPacket *pkt;
std::unique_lock<std::mutex> lock(mtx_pkt_q_);
cv_pkt_.wait(lock, [&] { return !av_packet_q_.empty(); });
pkt = av_packet_q_.front();
av_packet_q_.pop();
return pkt;
}
void PushFrame(AVFrame *av_frame) {
{
std::lock_guard<std::mutex> lock(mtx_frame_q_);
av_frame_q_.push(av_frame);
}
cv_frame_.notify_one();
};
AVFrame *PopFrame() {
std::unique_lock<std::mutex> lock(mtx_frame_q_);
cv_frame_.wait(lock, [&] { return !av_frame_q_.empty() || end_of_stream_; });
if (end_of_stream_ && av_frame_q_.empty())
return nullptr;
AVFrame *p_frame = av_frame_q_.front();
av_frame_q_.pop();
return p_frame;
}
typedef enum { CMD_ABORT, CMD_DECODE } CommandType;
typedef enum { STATUS_SUCCESS = 0, STATUS_FAILURE = -1 } StatusType;
bool no_multithreading_ = false;
uint32_t av_frame_cnt_ = 0;
uint32_t av_pkt_cnt_ = 0;
RocdecSourceDataPacket last_packet_;
std::thread *ffmpeg_decoder_thread_ = nullptr;
std::queue<AVPacket *> av_packet_q_; // queue for compressed packets
std::queue<AVFrame *> av_frame_q_;
std::vector<DecFrameBufferFFMpeg> vp_frames_ffmpeg_; // vector of decoded frames
std::vector<AVFrame *> dec_frames_; // vector of AVFrame * for decoded frames
std::vector<AVPacket *> av_packets_; // store of AVPackets for decoding
std::vector<std::pair<uint8_t *, int>> av_packet_data_;
std::mutex mtx_pkt_q_, mtx_frame_q_; //for command and status
std::condition_variable cv_pkt_, cv_frame_; //for command and status
std::atomic<bool> end_of_stream_ = false;
// Variables for FFMpeg decoding
AVCodecContext * dec_context_ = nullptr;
AVPixelFormat decoder_pixel_format_;
AVCodec *decoder_ = nullptr;
AVFormatContext * formatContext = nullptr;
AVInputFormat * inputFormat = nullptr;
AVStream *video = nullptr;
};
@@ -196,38 +196,6 @@ static const char * GetVideoChromaFormatName(rocDecVideoChromaFormat e_chroma_fo
return "Unknown";
}
static float GetChromaHeightFactor(rocDecVideoSurfaceFormat surface_format) {
float factor = 0.5;
switch (surface_format) {
case rocDecVideoSurfaceFormat_NV12:
case rocDecVideoSurfaceFormat_P016:
factor = 0.5;
break;
case rocDecVideoSurfaceFormat_YUV444:
case rocDecVideoSurfaceFormat_YUV444_16Bit:
factor = 1.0;
break;
}
return factor;
}
static int GetChromaPlaneCount(rocDecVideoSurfaceFormat surface_format) {
int num_planes = 1;
switch (surface_format) {
case rocDecVideoSurfaceFormat_NV12:
case rocDecVideoSurfaceFormat_P016:
num_planes = 1;
break;
case rocDecVideoSurfaceFormat_YUV444:
case rocDecVideoSurfaceFormat_YUV444_16Bit:
num_planes = 2;
break;
}
return num_planes;
}
static void GetSurfaceStrideInternal(rocDecVideoSurfaceFormat surface_format, uint32_t width, uint32_t height, uint32_t *pitch, uint32_t *vstride) {
switch (surface_format) {
@@ -247,6 +215,15 @@ static void GetSurfaceStrideInternal(rocDecVideoSurfaceFormat surface_format, ui
*pitch = align(width, 128) * 2;
*vstride = align(height, 16);
break;
case rocDecVideoSurfaceFormat_YUV420:
*pitch = align(width, 256);
*vstride = align(height, 16);
break;
case rocDecVideoSurfaceFormat_YUV420_16Bit:
*pitch = align(width, 128) * 2;
*vstride = align(height, 16);
break;
}
return;
}
@@ -78,6 +78,45 @@ typedef enum OutputSurfaceMemoryType_enum {
#endif
#define ERR(X) std::cerr << "[ERR] " << " {" << __func__ <<"} " << " " << X << std::endl;
inline int GetChromaPlaneCount(rocDecVideoSurfaceFormat surface_format) {
int num_planes = 1;
switch (surface_format) {
case rocDecVideoSurfaceFormat_NV12:
case rocDecVideoSurfaceFormat_P016:
num_planes = 1;
break;
case rocDecVideoSurfaceFormat_YUV444:
case rocDecVideoSurfaceFormat_YUV444_16Bit:
num_planes = 2;
break;
case rocDecVideoSurfaceFormat_YUV420:
case rocDecVideoSurfaceFormat_YUV420_16Bit:
num_planes = 2;
break;
}
return num_planes;
};
inline float GetChromaHeightFactor(rocDecVideoSurfaceFormat surface_format) {
float factor = 0.5;
switch (surface_format) {
case rocDecVideoSurfaceFormat_NV12:
case rocDecVideoSurfaceFormat_P016:
case rocDecVideoSurfaceFormat_YUV420:
case rocDecVideoSurfaceFormat_YUV420_16Bit:
factor = 0.5;
break;
case rocDecVideoSurfaceFormat_YUV444:
case rocDecVideoSurfaceFormat_YUV444_16Bit:
factor = 1.0;
break;
}
return factor;
};
class RocVideoDecodeException : public std::exception {
public:
@@ -162,22 +201,20 @@ typedef struct ReconfigParams_t {
class RocVideoDecoder {
public:
/**
* @brief Construct a new Roc Video Decoder object
*
* @param hip_ctx
* @param b_use_device_mem
* @param codec
* @param device_id
* @param b_low_latency
* @param device_frame_pitched
* @param p_crop_rect
* @param extract_user_SEI_Message
* @param max_width
* @param max_height
* @param clk_rate
* @param force_zero_latency
*/
/**
* @brief Construct a new Roc Video Decoder object
*
* @param device_id : device_id to initialize HIP and VCN
* @param out_mem_type : out_mem_type for the decoded surface
* @param codec : codec type
* @param force_zero_latency : to force zero latency (output in decoding orde)
* @param p_crop_rect : to crop output
* @param extract_user_SEI_Message : enable to extract SEI
* @param disp_delay : output delayed by #disp_delay surfaces
* @param max_width : Max. width for the output surface
* @param max_height : Max. height for the output surface
* @param clk_rate : FPS clock-rate
*/
RocVideoDecoder(int device_id, OutputSurfaceMemoryType out_mem_type, rocDecVideoCodec codec, bool force_zero_latency = false,
const Rect *p_crop_rect = nullptr, bool extract_user_SEI_Message = false, uint32_t disp_delay = 0, int max_width = 0, int max_height = 0,
uint32_t clk_rate = 1000);
@@ -215,12 +252,8 @@ class RocVideoDecoder {
/**
* @brief This function is used to get the current frame size based on pixel format.
*/
int GetFrameSize() { assert(disp_width_); return disp_width_ * (disp_height_ + (chroma_height_ * num_chroma_planes_)) * byte_per_pixel_; }
virtual int GetFrameSize() { assert(disp_width_); return disp_width_ * (disp_height_ + (chroma_height_ * num_chroma_planes_)) * byte_per_pixel_; }
/**
* @brief This function is used to get the current frame size based on pitch
*/
int GetFrameSizePitched() { assert(surface_stride_); return surface_stride_ * (disp_height_ + (chroma_height_ * num_chroma_planes_)); }
/**
* @brief Get the Bit Depth and BytesPerPixel associated with the pixel format
@@ -285,12 +318,12 @@ class RocVideoDecoder {
* @param num_decoded_pics - nummber of pictures decoded in this call
* @return int - num of frames to display
*/
int DecodeFrame(const uint8_t *data, size_t size, int pkt_flags, int64_t pts = 0, int *num_decoded_pics = nullptr);
virtual int DecodeFrame(const uint8_t *data, size_t size, int pkt_flags, int64_t pts = 0, int *num_decoded_pics = nullptr);
/**
* @brief This function returns a decoded frame and timestamp. This should be called in a loop fetching all the available frames
*
*/
uint8_t* GetFrame(int64_t *pts);
virtual uint8_t* GetFrame(int64_t *pts);
/**
* @brief function to release frame after use by the application: Only used with "OUT_SURFACE_MEM_DEV_INTERNAL"
@@ -300,7 +333,7 @@ class RocVideoDecoder {
* @return true - success
* @return false - falied
*/
bool ReleaseFrame(int64_t pTimestamp, bool b_flushing = false);
virtual bool ReleaseFrame(int64_t pTimestamp, bool b_flushing = false);
/**
* @brief utility function to save image to a file
@@ -331,12 +364,12 @@ class RocVideoDecoder {
* @param surf_info - surface info
* @param rgb_image_size - image size for rgb (optional). A non_zero value indicates the surf_mem holds an rgb interleaved image and the entire size will be dumped to file
*/
void SaveFrameToFile(std::string output_file_name, void *surf_mem, OutputSurfaceInfo *surf_info, size_t rgb_image_size = 0);
virtual void SaveFrameToFile(std::string output_file_name, void *surf_mem, OutputSurfaceInfo *surf_info, size_t rgb_image_size = 0);
/**
* @brief Helper funtion to close a existing file and dump to new file in case of multiple files using same decoder
*/
void ResetSaveFrameToFile();
virtual void ResetSaveFrameToFile();
/**
* @brief Helper function to start MD5 calculation
@@ -387,7 +420,12 @@ class RocVideoDecoder {
*/
bool CodecSupported(int device_id, rocDecVideoCodec codec_id, uint32_t bit_depth);
private:
/**
* @brief This function reconfigure decoder if there is a change in sequence params.
*/
virtual int ReconfigureDecoder(RocdecVideoFormat *p_video_format);
protected:
/**
* @brief Callback function to be registered for getting a callback when decoding of sequence starts
*/
@@ -429,11 +467,6 @@ class RocVideoDecoder {
* @brief This function gets called when all unregistered user SEI messages are parsed for a frame
*/
int GetSEIMessage(RocdecSeiMessageInfo *p_sei_message_info);
/**
* @brief This function reconfigure decoder if there is a change in sequence params.
*/
int ReconfigureDecoder(RocdecVideoFormat *p_video_format);
/**
* @brief function to release all internal frames and clear the vp_frames_q_ (used with reconfigure): Only used with "OUT_SURFACE_MEM_DEV_INTERNAL"
@@ -495,7 +528,7 @@ class RocVideoDecoder {
uint32_t target_width_ = 0;
uint32_t target_height_ = 0;
int max_width_ = 0, max_height_ = 0;
uint32_t chroma_height_ = 0;
uint32_t chroma_height_ = 0, chroma_width_ = 0;
uint32_t num_chroma_planes_ = 0;
uint32_t num_components_ = 0;
uint32_t surface_stride_ = 0;