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feat(*): added support for copying audio/subtitle streams and pause/abort (#1179)

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* feat: added Makefile target for debian
* fix: fixed Dockerfile installing the wrong package
* feat: added hwaccel for encoder and decoder
* feat: added benchmark mode
* feat: removed hard-coded keyframe info
* chore: cleaned up headers and organized code
* style: cleaned up headers and includes
* feat: added a progress bar for CLI
* feat: removed atomicity requirements on processed frames
* feat: added pause and abort for CLI
* chore: updated default preset and crf settings
* feat: added support for copying audio and subtitle streams
* fix: fixed syntax issues for MSVC
* fix: fixed audio/subtitle timestamp rescaling

Signed-off-by: k4yt3x <i@k4yt3x.com>
This commit is contained in:
K4YT3X 2024-10-10 00:23:13 -07:00 committed by GitHub
parent c7fa9c10e6
commit 37c2c4c647
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GPG Key ID: B5690EEEBB952194
21 changed files with 731 additions and 322 deletions
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2
CMakeLists.txt
View File

@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.10)
project(video2x VERSION 6.0.0 LANGUAGES CXX C)
# Set the C standard
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
# Set the C++ standard

4
Dockerfile
View File

@ -20,7 +20,7 @@ WORKDIR /video2x
# Build the package
RUN makepkg -s --noconfirm \
&& find /video2x -maxdepth 1 -name '*.pkg.tar.zst' | head -n 1 | \
&& find /video2x -maxdepth 1 -name 'video2x-*.pkg.tar.zst' ! -name '*-debug-*' | head -n 1 | \
xargs -I {} cp {} /tmp/video2x.pkg.tar.zst
# stage 2: install wheels into the final image
@ -34,8 +34,6 @@ ENV VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/nvidia_icd.json\
:/usr/share/vulkan/icd.d/intel_icd.x86_64.json
COPY --from=builder /tmp/video2x.pkg.tar.zst /video2x.pkg.tar.zst
COPY . /video2x
WORKDIR /video2x
RUN pacman -Sy --noconfirm ffmpeg ncnn \
nvidia-utils vulkan-radeon vulkan-intel vulkan-swrast \
&& pacman -U --noconfirm /video2x.pkg.tar.zst \

20
Makefile
View File

@ -33,6 +33,26 @@ debug:
cmake --build $(BINDIR) --config Debug --parallel
cp $(BINDIR)/compile_commands.json .
debian:
apt-get update
apt-get install -y --no-install-recommends \
build-essential cmake clang pkg-config \
libavcodec-dev \
libavdevice-dev \
libavfilter-dev \
libavformat-dev \
libavutil-dev \
libswscale-dev \
libvulkan-dev \
glslang-tools \
libomp-dev
cmake -B /tmp/build -S . -DUSE_SYSTEM_NCNN=OFF \
-DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ \
-DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/tmp/install \
-DINSTALL_BIN_DESTINATION=. -DINSTALL_INCLUDE_DESTINATION=include \
-DINSTALL_LIB_DESTINATION=. -DINSTALL_MODEL_DESTINATION=.
cmake --build /tmp/build --config Release --target install --parallel
test-realesrgan:
LD_LIBRARY_PATH=$(BINDIR) $(BINDIR)/video2x -i data/standard-test.mp4 -o data/output.mp4 \
-f realesrgan -r 4 --model realesr-animevideov3

5
include/conversions.h
View File

@ -1,7 +1,10 @@
#ifndef CONVERSIONS_H
#define CONVERSIONS_H
#include <libavutil/frame.h>
extern "C" {
#include <libswscale/swscale.h>
}
#include <mat.h>
// Convert AVFrame to another pixel format

5
include/decoder.h
View File

@ -1,11 +1,14 @@
#ifndef DECODER_H
#define DECODER_H
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include <libavformat/avformat.h>
}
int init_decoder(
AVHWDeviceType hw_type,
AVBufferRef *hw_ctx,
const char *input_filename,
AVFormatContext **fmt_ctx,
AVCodecContext **dec_ctx,

16
include/encoder.h
View File

@ -1,20 +1,32 @@
#ifndef ENCODER_H
#define ENCODER_H
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/opt.h>
}
#include "libvideo2x.h"
int init_encoder(
AVBufferRef *hw_ctx,
const char *output_filename,
AVFormatContext *ifmt_ctx,
AVFormatContext **ofmt_ctx,
AVCodecContext **enc_ctx,
AVCodecContext *dec_ctx,
EncoderConfig *encoder_config
EncoderConfig *encoder_config,
int video_stream_index,
int **stream_mapping
);
int encode_and_write_frame(AVFrame *frame, AVCodecContext *enc_ctx, AVFormatContext *ofmt_ctx);
int encode_and_write_frame(
AVFrame *frame,
AVCodecContext *enc_ctx,
AVFormatContext *ofmt_ctx,
int video_stream_index
);
int flush_encoder(AVCodecContext *enc_ctx, AVFormatContext *ofmt_ctx);

5
include/filter.h
View File

@ -6,14 +6,15 @@
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include <libavutil/buffer.h>
}
// Abstract base class for filters
class Filter {
public:
virtual ~Filter() {}
virtual int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) = 0;
virtual AVFrame *process_frame(AVFrame *input_frame) = 0;
virtual int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, AVBufferRef *hw_ctx) = 0;
virtual int process_frame(AVFrame *input_frame, AVFrame **output_frame) = 0;
virtual int flush(std::vector<AVFrame *> &processed_frames) = 0;
};

2
include/getopt.h
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@ -22,7 +22,7 @@ struct option {
#define required_argument 1
#define optional_argument 2
int getopt(int, char **, const char *);
// int getopt(int, char **, const char *);
int getopt_long(int, char **, const char *, const struct option *, int *);
#ifdef __cplusplus

5
include/libplacebo.h
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@ -3,15 +3,16 @@
#include <filesystem>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include <libavutil/buffer.h>
}
int init_libplacebo(
AVBufferRef *hw_ctx,
AVFilterGraph **filter_graph,
AVFilterContext **buffersrc_ctx,
AVFilterContext **buffersink_ctx,
AVBufferRef **device_ctx,
AVCodecContext *dec_ctx,
int output_width,
int output_height,

11
include/libplacebo_filter.h
View File

@ -3,7 +3,11 @@
#include <filesystem>
#include <libavutil/buffer.h>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
}
#include "filter.h"
@ -13,7 +17,6 @@ class LibplaceboFilter : public Filter {
AVFilterGraph *filter_graph;
AVFilterContext *buffersrc_ctx;
AVFilterContext *buffersink_ctx;
AVBufferRef *device_ctx;
int output_width;
int output_height;
const std::filesystem::path shader_path;
@ -27,10 +30,10 @@ class LibplaceboFilter : public Filter {
virtual ~LibplaceboFilter();
// Initializes the filter with decoder and encoder contexts
int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) override;
int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, AVBufferRef *hw_ctx) override;
// Processes an input frame and returns the processed frame
AVFrame *process_frame(AVFrame *input_frame) override;
int process_frame(AVFrame *input_frame, AVFrame **output_frame) override;
// Flushes any remaining frames
int flush(std::vector<AVFrame *> &processed_frames) override;

22
include/libvideo2x.h
View File

@ -1,13 +1,10 @@
#ifndef LIBVIDEO2X_H
#define LIBVIDEO2X_H
#include <libavutil/pixfmt.h>
#include <stdbool.h>
#include <stdint.h>
#include <time.h>
#include <libavcodec/avcodec.h>
#include <libavcodec/codec_id.h>
#ifdef _WIN32
#ifdef LIBVIDEO2X_EXPORTS
#define LIBVIDEO2X_API __declspec(dllexport)
@ -22,6 +19,9 @@
extern "C" {
#endif
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
// Enum to specify filter type
enum FilterType {
FILTER_LIBPLACEBO,
@ -38,7 +38,7 @@ struct LibplaceboConfig {
// Configuration for RealESRGAN filter
struct RealESRGANConfig {
int gpuid;
int tta_mode;
bool tta_mode;
int scaling_factor;
const char *model;
};
@ -56,6 +56,7 @@ struct FilterConfig {
struct EncoderConfig {
int output_width;
int output_height;
bool copy_streams;
enum AVCodecID codec;
enum AVPixelFormat pix_fmt;
const char *preset;
@ -63,20 +64,25 @@ struct EncoderConfig {
float crf;
};
// Processing status
struct ProcessingStatus {
// Video processing context
struct VideoProcessingContext {
int64_t processed_frames;
int64_t total_frames;
time_t start_time;
bool pause;
bool abort;
bool completed;
};
// C-compatible process_video function
LIBVIDEO2X_API int process_video(
const char *input_filename,
const char *output_filename,
bool benchmark,
enum AVHWDeviceType hw_device_type,
const struct FilterConfig *filter_config,
struct EncoderConfig *encoder_config,
struct ProcessingStatus *status
struct VideoProcessingContext *proc_ctx
);
#ifdef __cplusplus

8
include/realesrgan_filter.h
View File

@ -3,6 +3,10 @@
#include <filesystem>
extern "C" {
#include <libavcodec/avcodec.h>
}
#include "filter.h"
#include "realesrgan.h"
@ -35,10 +39,10 @@ class RealesrganFilter : public Filter {
virtual ~RealesrganFilter();
// Initializes the filter with decoder and encoder contexts
int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) override;
int init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, AVBufferRef *hw_ctx) override;
// Processes an input frame and returns the processed frame
AVFrame *process_frame(AVFrame *input_frame) override;
int process_frame(AVFrame *input_frame, AVFrame **output_frame) override;
// Flushes any remaining frames (if necessary)
int flush(std::vector<AVFrame *> &processed_frames) override;

24
src/conversions.cpp
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@ -1,17 +1,7 @@
#include <cstdio>
// FFmpeg includes
extern "C" {
#include <libavutil/frame.h>
#include <libavutil/imgutils.h>
#include <libswscale/swscale.h>
}
// ncnn includes
#include <mat.h>
#include "conversions.h"
#include <cstdio>
// Convert AVFrame format
AVFrame *convert_avframe_pix_fmt(AVFrame *src_frame, AVPixelFormat pix_fmt) {
AVFrame *dst_frame = av_frame_alloc();
@ -77,10 +67,11 @@ ncnn::Mat avframe_to_ncnn_mat(AVFrame *frame) {
converted_frame = convert_avframe_pix_fmt(frame, AV_PIX_FMT_BGR24);
if (!converted_frame) {
fprintf(stderr, "Failed to convert AVFrame to BGR24.\n");
return ncnn::Mat(); // Return an empty ncnn::Mat on failure
return ncnn::Mat();
}
} else {
converted_frame = frame; // If the frame is already in BGR24, use it directly
// If the frame is already in BGR24, use it directly
converted_frame = frame;
}
// Allocate a new ncnn::Mat and copy the data
@ -146,10 +137,7 @@ AVFrame *ncnn_mat_to_avframe(const ncnn::Mat &mat, AVPixelFormat pix_fmt) {
return nullptr;
}
// Copy data from ncnn::Mat to the BGR AVFrame
// mat.to_pixels(bgr_frame->data[0], ncnn::Mat::PIXEL_BGR);
// Manually copy the pixel data from ncnn::Mat to the BGR AVFrame
// Copy the pixel data from ncnn::Mat to the BGR AVFrame
for (int y = 0; y < mat.h; y++) {
uint8_t *dst_row = bgr_frame->data[0] + y * bgr_frame->linesize[0];
const uint8_t *src_row = mat.row<const uint8_t>(y);

59
src/decoder.cpp
View File

@ -1,19 +1,25 @@
#include "decoder.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
#include <libavformat/avformat.h>
#include <libavutil/opt.h>
#include <libavutil/pixdesc.h>
#include <libavutil/rational.h>
static enum AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE;
// Callback function to choose the hardware-accelerated pixel format
static enum AVPixelFormat get_hw_format(AVCodecContext *ctx, const enum AVPixelFormat *pix_fmts) {
for (const enum AVPixelFormat *p = pix_fmts; *p != AV_PIX_FMT_NONE; p++) {
if (*p == hw_pix_fmt) {
return *p;
}
}
fprintf(stderr, "Failed to get HW surface format.\n");
return AV_PIX_FMT_NONE;
}
int init_decoder(
AVHWDeviceType hw_type,
AVBufferRef *hw_ctx,
const char *input_filename,
AVFormatContext **fmt_ctx,
AVCodecContext **dec_ctx,
@ -44,18 +50,45 @@ int init_decoder(
AVStream *video_stream = ifmt_ctx->streams[stream_index];
// Set up the decoder
const AVCodec *dec = avcodec_find_decoder(video_stream->codecpar->codec_id);
if (!dec) {
const AVCodec *decoder = avcodec_find_decoder(video_stream->codecpar->codec_id);
if (!decoder) {
fprintf(stderr, "Failed to find decoder for stream #%u\n", stream_index);
return AVERROR_DECODER_NOT_FOUND;
}
codec_ctx = avcodec_alloc_context3(dec);
codec_ctx = avcodec_alloc_context3(decoder);
if (!codec_ctx) {
fprintf(stderr, "Failed to allocate the decoder context\n");
return AVERROR(ENOMEM);
}
// Set hardware device context
if (hw_ctx != nullptr) {
codec_ctx->hw_device_ctx = av_buffer_ref(hw_ctx);
codec_ctx->get_format = get_hw_format;
// Automatically determine the hardware pixel format
for (int i = 0;; i++) {
const AVCodecHWConfig *config = avcodec_get_hw_config(decoder, i);
if (config == nullptr) {
fprintf(
stderr,
"Decoder %s does not support device type %s.\n",
decoder->name,
av_hwdevice_get_type_name(hw_type)
);
avcodec_free_context(&codec_ctx);
avformat_close_input(&ifmt_ctx);
return AVERROR(ENOSYS);
}
if (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX &&
config->device_type == hw_type) {
hw_pix_fmt = config->pix_fmt;
break;
}
}
}
if ((ret = avcodec_parameters_to_context(codec_ctx, video_stream->codecpar)) < 0) {
fprintf(stderr, "Failed to copy decoder parameters to input decoder context\n");
return ret;
@ -66,7 +99,7 @@ int init_decoder(
codec_ctx->pkt_timebase = video_stream->time_base;
codec_ctx->framerate = av_guess_frame_rate(ifmt_ctx, video_stream, NULL);
if ((ret = avcodec_open2(codec_ctx, dec, NULL)) < 0) {
if ((ret = avcodec_open2(codec_ctx, decoder, NULL)) < 0) {
fprintf(stderr, "Failed to open decoder for stream #%u\n", stream_index);
return ret;
}

151
src/encoder.cpp
View File

@ -1,32 +1,34 @@
#include "encoder.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavcodec/codec.h>
#include <libavcodec/codec_id.h>
#include <libavfilter/avfilter.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
#include <libavformat/avformat.h>
#include <libavutil/opt.h>
#include <libavutil/pixdesc.h>
#include <libavutil/rational.h>
#include "conversions.h"
static enum AVPixelFormat get_encoder_default_pix_fmt(const AVCodec *encoder) {
const enum AVPixelFormat *p = encoder->pix_fmts;
if (!p) {
fprintf(stderr, "No pixel formats supported by encoder\n");
return AV_PIX_FMT_NONE;
}
return *p;
}
#include "conversions.h"
#include "libvideo2x.h"
int init_encoder(
AVBufferRef *hw_ctx,
const char *output_filename,
AVFormatContext *ifmt_ctx,
AVFormatContext **ofmt_ctx,
AVCodecContext **enc_ctx,
AVCodecContext *dec_ctx,
EncoderConfig *encoder_config
EncoderConfig *encoder_config,
int video_stream_index,
int **stream_mapping
) {
AVFormatContext *fmt_ctx = NULL;
AVCodecContext *codec_ctx = NULL;
int stream_index = 0;
int ret;
avformat_alloc_output_context2(&fmt_ctx, NULL, NULL, output_filename);
@ -35,66 +37,130 @@ int init_encoder(
return AVERROR_UNKNOWN;
}
// Create a new video stream
const AVCodec *enc = avcodec_find_encoder(encoder_config->codec);
if (!enc) {
fprintf(stderr, "Necessary encoder not found\n");
const AVCodec *encoder = avcodec_find_encoder(encoder_config->codec);
if (!encoder) {
fprintf(
stderr,
"Required video encoder not found for vcodec %s\n",
avcodec_get_name(encoder_config->codec)
);
return AVERROR_ENCODER_NOT_FOUND;
}
// Create a new video stream in the output file
AVStream *out_stream = avformat_new_stream(fmt_ctx, NULL);
if (!out_stream) {
fprintf(stderr, "Failed allocating output stream\n");
fprintf(stderr, "Failed to allocate the output video stream\n");
return AVERROR_UNKNOWN;
}
codec_ctx = avcodec_alloc_context3(enc);
codec_ctx = avcodec_alloc_context3(encoder);
if (!codec_ctx) {
fprintf(stderr, "Failed to allocate the encoder context\n");
return AVERROR(ENOMEM);
}
// Set hardware device context
if (hw_ctx != nullptr) {
codec_ctx->hw_device_ctx = av_buffer_ref(hw_ctx);
}
// Set encoding parameters
codec_ctx->height = encoder_config->output_height;
codec_ctx->width = encoder_config->output_width;
codec_ctx->sample_aspect_ratio = dec_ctx->sample_aspect_ratio;
codec_ctx->pix_fmt = encoder_config->pix_fmt;
codec_ctx->time_base = av_inv_q(dec_ctx->framerate);
codec_ctx->bit_rate = encoder_config->bit_rate;
if (codec_ctx->time_base.num == 0 || codec_ctx->time_base.den == 0) {
codec_ctx->time_base = av_inv_q(av_guess_frame_rate(fmt_ctx, out_stream, NULL));
// Set the pixel format
if (encoder_config->pix_fmt != AV_PIX_FMT_NONE) {
// Use the specified pixel format
codec_ctx->pix_fmt = encoder_config->pix_fmt;
} else {
// Fall back to the default pixel format
codec_ctx->pix_fmt = get_encoder_default_pix_fmt(encoder);
if (codec_ctx->pix_fmt == AV_PIX_FMT_NONE) {
fprintf(stderr, "Could not get the default pixel format for the encoder\n");
return AVERROR(EINVAL);
}
}
// Set the bit rate and other encoder parameters if needed
codec_ctx->bit_rate = encoder_config->bit_rate;
codec_ctx->gop_size = 60; // Keyframe interval
codec_ctx->max_b_frames = 3; // B-frames
codec_ctx->keyint_min = 60; // Maximum GOP size
// Set the time base
codec_ctx->time_base = av_inv_q(dec_ctx->framerate);
if (codec_ctx->time_base.num == 0 || codec_ctx->time_base.den == 0) {
codec_ctx->time_base = av_inv_q(av_guess_frame_rate(ifmt_ctx, out_stream, NULL));
}
// Set the CRF and preset for any codecs that support it
char crf_str[16];
snprintf(crf_str, sizeof(crf_str), "%.f", encoder_config->crf);
if (encoder_config->codec == AV_CODEC_ID_H264 || encoder_config->codec == AV_CODEC_ID_HEVC) {
av_opt_set(codec_ctx->priv_data, "crf", crf_str, 0);
av_opt_set(codec_ctx->priv_data, "preset", encoder_config->preset, 0);
}
if (fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER) {
codec_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
}
if ((ret = avcodec_open2(codec_ctx, enc, NULL)) < 0) {
if ((ret = avcodec_open2(codec_ctx, encoder, NULL)) < 0) {
fprintf(stderr, "Cannot open video encoder\n");
return ret;
}
ret = avcodec_parameters_from_context(out_stream->codecpar, codec_ctx);
if (ret < 0) {
fprintf(stderr, "Failed to copy encoder parameters to output stream\n");
fprintf(stderr, "Failed to copy encoder parameters to output video stream\n");
return ret;
}
out_stream->time_base = codec_ctx->time_base;
if (encoder_config->copy_streams) {
// Allocate the stream map
*stream_mapping = (int *)av_malloc_array(ifmt_ctx->nb_streams, sizeof(**stream_mapping));
if (!*stream_mapping) {
fprintf(stderr, "Could not allocate stream mapping\n");
return AVERROR(ENOMEM);
}
// Map the video stream
(*stream_mapping)[video_stream_index] = stream_index++;
// Loop through each stream in the input file
for (int i = 0; i < ifmt_ctx->nb_streams; i++) {
AVStream *in_stream = ifmt_ctx->streams[i];
AVCodecParameters *in_codecpar = in_stream->codecpar;
if (i == video_stream_index) {
// Video stream is already handled
continue;
}
if (in_codecpar->codec_type != AVMEDIA_TYPE_AUDIO &&
in_codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE) {
(*stream_mapping)[i] = -1;
continue;
}
// Create corresponding output stream
AVStream *out_stream = avformat_new_stream(fmt_ctx, NULL);
if (!out_stream) {
fprintf(stderr, "Failed allocating output stream\n");
return AVERROR_UNKNOWN;
}
ret = avcodec_parameters_copy(out_stream->codecpar, in_codecpar);
if (ret < 0) {
fprintf(stderr, "Failed to copy codec parameters\n");
return ret;
}
out_stream->codecpar->codec_tag = 0;
// Copy time base
out_stream->time_base = in_stream->time_base;
(*stream_mapping)[i] = stream_index++;
}
}
// Open the output file
if (!(fmt_ctx->oformat->flags & AVFMT_NOFILE)) {
ret = avio_open(&fmt_ctx->pb, output_filename, AVIO_FLAG_WRITE);
@ -110,7 +176,12 @@ int init_encoder(
return 0;
}
int encode_and_write_frame(AVFrame *frame, AVCodecContext *enc_ctx, AVFormatContext *ofmt_ctx) {
int encode_and_write_frame(
AVFrame *frame,
AVCodecContext *enc_ctx,
AVFormatContext *ofmt_ctx,
int video_stream_index
) {
int ret;
// Convert the frame to the encoder's pixel format if needed
@ -144,14 +215,16 @@ int encode_and_write_frame(AVFrame *frame, AVCodecContext *enc_ctx, AVFormatCont
av_packet_unref(enc_pkt);
break;
} else if (ret < 0) {
fprintf(stderr, "Error during encoding\n");
fprintf(stderr, "Error encoding frame\n");
av_packet_free(&enc_pkt);
return ret;
}
// Rescale packet timestamps
av_packet_rescale_ts(enc_pkt, enc_ctx->time_base, ofmt_ctx->streams[0]->time_base);
enc_pkt->stream_index = ofmt_ctx->streams[0]->index;
av_packet_rescale_ts(
enc_pkt, enc_ctx->time_base, ofmt_ctx->streams[video_stream_index]->time_base
);
enc_pkt->stream_index = video_stream_index;
// Write the packet
ret = av_interleaved_write_frame(ofmt_ctx, enc_pkt);
@ -182,7 +255,7 @@ int flush_encoder(AVCodecContext *enc_ctx, AVFormatContext *ofmt_ctx) {
av_packet_unref(enc_pkt);
break;
} else if (ret < 0) {
fprintf(stderr, "Error during encoding\n");
fprintf(stderr, "Error encoding frame\n");
av_packet_free(&enc_pkt);
return ret;
}

4
src/fsutils.cpp
View File

@ -1,4 +1,4 @@
#include <filesystem>
#include "fsutils.h"
#if _WIN32
#include <windows.h>
@ -8,8 +8,6 @@
#include <cstring>
#endif
#include "fsutils.h"
#if _WIN32
std::filesystem::path get_executable_directory() {
std::vector<wchar_t> filepath(MAX_PATH);

39
src/libplacebo.cpp
View File

@ -1,28 +1,15 @@
#include "libplacebo.h"
#include <stdio.h>
#include <stdlib.h>
#include <filesystem>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/avfilter.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
#include <libavformat/avformat.h>
#include <libavutil/buffer.h>
#include <libavutil/hwcontext.h>
#include <libavutil/opt.h>
#include <libavutil/pixdesc.h>
#include <libavutil/rational.h>
#include <libswscale/swscale.h>
}
#include "fsutils.h"
int init_libplacebo(
AVBufferRef *hw_ctx,
AVFilterGraph **filter_graph,
AVFilterContext **buffersrc_ctx,
AVFilterContext **buffersink_ctx,
AVBufferRef **device_ctx,
AVCodecContext *dec_ctx,
int output_width,
int output_height,
@ -31,14 +18,6 @@ int init_libplacebo(
char args[512];
int ret;
// Initialize the Vulkan hardware device
AVBufferRef *hw_device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VULKAN);
ret = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_VULKAN, NULL, NULL, 0);
if (ret < 0) {
fprintf(stderr, "Unable to initialize Vulkan device\n");
return ret;
}
AVFilterGraph *graph = avfilter_graph_alloc();
if (!graph) {
fprintf(stderr, "Unable to create filter graph.\n");
@ -67,7 +46,6 @@ int init_libplacebo(
ret = avfilter_graph_create_filter(buffersrc_ctx, buffersrc, "in", args, NULL, graph);
if (ret < 0) {
fprintf(stderr, "Cannot create buffer source\n");
av_buffer_unref(&hw_device_ctx);
avfilter_graph_free(&graph);
return ret;
}
@ -78,7 +56,6 @@ int init_libplacebo(
const AVFilter *libplacebo_filter = avfilter_get_by_name("libplacebo");
if (!libplacebo_filter) {
fprintf(stderr, "Filter 'libplacebo' not found\n");
av_buffer_unref(&hw_device_ctx);
avfilter_graph_free(&graph);
return AVERROR_FILTER_NOT_FOUND;
}
@ -108,19 +85,19 @@ int init_libplacebo(
);
if (ret < 0) {
fprintf(stderr, "Cannot create libplacebo filter\n");
av_buffer_unref(&hw_device_ctx);
avfilter_graph_free(&graph);
return ret;
}
// Set the hardware device context to Vulkan
libplacebo_ctx->hw_device_ctx = av_buffer_ref(hw_device_ctx);
if (hw_ctx != nullptr) {
libplacebo_ctx->hw_device_ctx = av_buffer_ref(hw_ctx);
}
// Link buffersrc to libplacebo
ret = avfilter_link(last_filter, 0, libplacebo_ctx, 0);
if (ret < 0) {
fprintf(stderr, "Error connecting buffersrc to libplacebo filter\n");
av_buffer_unref(&hw_device_ctx);
avfilter_graph_free(&graph);
return ret;
}
@ -132,7 +109,6 @@ int init_libplacebo(
ret = avfilter_graph_create_filter(buffersink_ctx, buffersink, "out", NULL, NULL, graph);
if (ret < 0) {
fprintf(stderr, "Cannot create buffer sink\n");
av_buffer_unref(&hw_device_ctx);
avfilter_graph_free(&graph);
return ret;
}
@ -141,7 +117,6 @@ int init_libplacebo(
ret = avfilter_link(last_filter, 0, *buffersink_ctx, 0);
if (ret < 0) {
fprintf(stderr, "Error connecting libplacebo filter to buffersink\n");
av_buffer_unref(&hw_device_ctx);
avfilter_graph_free(&graph);
return ret;
}
@ -150,12 +125,10 @@ int init_libplacebo(
ret = avfilter_graph_config(graph, NULL);
if (ret < 0) {
fprintf(stderr, "Error configuring the filter graph\n");
av_buffer_unref(&hw_device_ctx);
avfilter_graph_free(&graph);
return ret;
}
*filter_graph = graph;
*device_ctx = hw_device_ctx;
return 0;
}

55
src/libplacebo_filter.cpp
View File

@ -1,21 +1,14 @@
#include <cstdio>
#include "libplacebo_filter.h"
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavfilter/buffersink.h>
#include <libavfilter/buffersrc.h>
#include <libavutil/buffer.h>
}
#include <cstdio>
#include "fsutils.h"
#include "libplacebo.h"
#include "libplacebo_filter.h"
LibplaceboFilter::LibplaceboFilter(int width, int height, const std::filesystem::path &shader_path)
: filter_graph(nullptr),
buffersrc_ctx(nullptr),
buffersink_ctx(nullptr),
device_ctx(nullptr),
output_width(width),
output_height(height),
shader_path(std::move(shader_path)) {}
@ -29,17 +22,13 @@ LibplaceboFilter::~LibplaceboFilter() {
avfilter_free(buffersink_ctx);
buffersink_ctx = nullptr;
}
if (device_ctx) {
av_buffer_unref(&device_ctx);
device_ctx = nullptr;
}
if (filter_graph) {
avfilter_graph_free(&filter_graph);
filter_graph = nullptr;
}
}
int LibplaceboFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) {
int LibplaceboFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, AVBufferRef *hw_ctx) {
// Construct the shader path
std::filesystem::path shader_full_path;
if (filepath_is_readable(shader_path)) {
@ -51,14 +40,20 @@ int LibplaceboFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) {
find_resource_file(std::filesystem::path("models") / (shader_path.string() + ".glsl"));
}
// Check if the shader file exists
if (!std::filesystem::exists(shader_full_path)) {
fprintf(stderr, "libplacebo shader file not found: %s\n", shader_full_path.c_str());
return -1;
}
// Save the output time base
output_time_base = enc_ctx->time_base;
return init_libplacebo(
hw_ctx,
&filter_graph,
&buffersrc_ctx,
&buffersink_ctx,
&device_ctx,
dec_ctx,
output_width,
output_height,
@ -66,45 +61,39 @@ int LibplaceboFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) {
);
}
AVFrame *LibplaceboFilter::process_frame(AVFrame *input_frame) {
int LibplaceboFilter::process_frame(AVFrame *input_frame, AVFrame **output_frame) {
int ret;
// Get the filtered frame
AVFrame *output_frame = av_frame_alloc();
if (output_frame == nullptr) {
*output_frame = av_frame_alloc();
if (*output_frame == nullptr) {
fprintf(stderr, "Failed to allocate output frame\n");
return nullptr;
return -1;
}
// Feed the frame to the filter graph
ret = av_buffersrc_add_frame(buffersrc_ctx, input_frame);
if (ret < 0) {
fprintf(stderr, "Error while feeding the filter graph\n");
return nullptr;
return ret;
}
ret = av_buffersink_get_frame(buffersink_ctx, output_frame);
ret = av_buffersink_get_frame(buffersink_ctx, *output_frame);
if (ret < 0) {
av_frame_free(&output_frame);
if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
char errbuf[AV_ERROR_MAX_STRING_SIZE];
av_strerror(ret, errbuf, sizeof(errbuf));
fprintf(stderr, "Error getting frame from filter graph: %s\n", errbuf);
return nullptr;
}
return (AVFrame *)-1;
av_frame_free(output_frame);
return ret;
}
// Rescale PTS to encoder's time base
output_frame->pts =
av_rescale_q(output_frame->pts, buffersink_ctx->inputs[0]->time_base, output_time_base);
(*output_frame)->pts =
av_rescale_q((*output_frame)->pts, buffersink_ctx->inputs[0]->time_base, output_time_base);
// Return the processed frame to the caller
return output_frame;
return 0;
}
int LibplaceboFilter::flush(std::vector<AVFrame *> &processed_frames) {
int ret = av_buffersrc_add_frame(buffersrc_ctx, nullptr); // Signal EOF to the filter graph
int ret = av_buffersrc_add_frame(buffersrc_ctx, nullptr);
if (ret < 0) {
fprintf(stderr, "Error while flushing filter graph\n");
return ret;

259
src/libvideo2x.cpp
View File

@ -1,30 +1,41 @@
#include "libvideo2x.h"
#include <libavutil/mathematics.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cstdint>
// FFmpeg headers
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
}
#include <thread>
#include "decoder.h"
#include "encoder.h"
#include "filter.h"
#include "libplacebo_filter.h"
#include "libvideo2x.h"
#include "realesrgan_filter.h"
// Function to process frames using the selected filter (same as before)
/**
* @brief Process frames using the selected filter.
*
* @param[in,out] proc_ctx Struct containing the processing context
* @param[in] fmt_ctx Input format context
* @param[in] ofmt_ctx Output format context
* @param[in] dec_ctx Decoder context
* @param[in] enc_ctx Encoder context
* @param[in] filter Filter instance
* @param[in] video_stream_index Index of the video stream in the input format context
* @return int 0 on success, negative value on error
*/
int process_frames(
ProcessingStatus *status,
AVFormatContext *fmt_ctx,
EncoderConfig *encoder_config,
VideoProcessingContext *proc_ctx,
AVFormatContext *ifmt_ctx,
AVFormatContext *ofmt_ctx,
AVCodecContext *dec_ctx,
AVCodecContext *enc_ctx,
Filter *filter,
int video_stream_index
int video_stream_index,
int *stream_mapping,
bool benchmark = false
) {
int ret;
AVPacket packet;
@ -32,21 +43,21 @@ int process_frames(
char errbuf[AV_ERROR_MAX_STRING_SIZE];
// Get the total number of frames in the video
AVStream *video_stream = fmt_ctx->streams[video_stream_index];
status->total_frames = video_stream->nb_frames;
AVStream *video_stream = ifmt_ctx->streams[video_stream_index];
proc_ctx->total_frames = video_stream->nb_frames;
// If nb_frames is not set, calculate total frames using duration and frame rate
if (status->total_frames == 0) {
if (proc_ctx->total_frames == 0) {
int64_t duration = video_stream->duration;
AVRational frame_rate = video_stream->avg_frame_rate;
if (duration != AV_NOPTS_VALUE && frame_rate.num != 0 && frame_rate.den != 0) {
status->total_frames = duration * frame_rate.num / frame_rate.den;
proc_ctx->total_frames = duration * frame_rate.num / frame_rate.den;
}
}
// Get start time
status->start_time = time(NULL);
if (status->start_time == -1) {
proc_ctx->start_time = time(NULL);
if (proc_ctx->start_time == -1) {
perror("time");
}
@ -57,8 +68,8 @@ int process_frames(
}
// Read frames from the input file
while (1) {
ret = av_read_frame(fmt_ctx, &packet);
while (!proc_ctx->abort) {
ret = av_read_frame(ifmt_ctx, &packet);
if (ret < 0) {
break; // End of file or error
}
@ -74,7 +85,13 @@ int process_frames(
}
// Receive and process frames from the decoder
while (1) {
while (!proc_ctx->abort) {
// Check if the processing is paused
if (proc_ctx->pause) {
std::this_thread::sleep_for(std::chrono::milliseconds(100));
continue;
}
ret = avcodec_receive_frame(dec_ctx, frame);
if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
break;
@ -85,43 +102,52 @@ int process_frames(
}
// Process the frame using the selected filter
AVFrame *processed_frame = filter->process_frame(frame);
if (processed_frame != nullptr && processed_frame != (AVFrame *)-1) {
AVFrame *processed_frame = nullptr;
ret = filter->process_frame(frame, &processed_frame);
if (ret == 0 && processed_frame != nullptr) {
// Encode and write the processed frame
ret = encode_and_write_frame(processed_frame, enc_ctx, ofmt_ctx);
if (!benchmark) {
ret = encode_and_write_frame(
processed_frame, enc_ctx, ofmt_ctx, video_stream_index
);
if (ret < 0) {
av_strerror(ret, errbuf, sizeof(errbuf));
fprintf(stderr, "Error encoding/writing frame: %s\n", errbuf);
av_frame_free(&processed_frame);
goto end;
}
}
av_frame_free(&processed_frame);
status->processed_frames++;
} else if (processed_frame != (AVFrame *)-1) {
fprintf(stderr, "Error processing frame\n");
proc_ctx->processed_frames++;
} else if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
fprintf(stderr, "Filter returned an error\n");
goto end;
}
av_frame_unref(frame);
// TODO: Print the debug processing status
}
} else if (encoder_config->copy_streams && stream_mapping[packet.stream_index] >= 0) {
AVStream *in_stream = ifmt_ctx->streams[packet.stream_index];
int out_stream_index = stream_mapping[packet.stream_index];
AVStream *out_stream = ofmt_ctx->streams[out_stream_index];
// Print the processing status
printf(
"\r[Video2X] Processing frame %ld/%ld (%.2f%%); time elapsed: %lds",
status->processed_frames,
status->total_frames,
status->processed_frames * 100.0 / status->total_frames,
time(NULL) - status->start_time
);
fflush(stdout);
// Rescale packet timestamps
av_packet_rescale_ts(&packet, in_stream->time_base, out_stream->time_base);
packet.stream_index = out_stream_index;
// If copy streams is enabled, copy the packet to the output
ret = av_interleaved_write_frame(ofmt_ctx, &packet);
if (ret < 0) {
fprintf(stderr, "Error muxing packet\n");
av_packet_unref(&packet);
return ret;
}
}
av_packet_unref(&packet);
}
// Print a newline after processing all frames
printf("\n");
// Flush the filter
ret = filter->flush(flushed_frames);
if (ret < 0) {
@ -132,7 +158,7 @@ int process_frames(
// Encode and write all flushed frames
for (AVFrame *&flushed_frame : flushed_frames) {
ret = encode_and_write_frame(flushed_frame, enc_ctx, ofmt_ctx);
ret = encode_and_write_frame(flushed_frame, enc_ctx, ofmt_ctx, video_stream_index);
if (ret < 0) {
av_strerror(ret, errbuf, sizeof(errbuf));
fprintf(stderr, "Error encoding/writing flushed frame: %s\n", errbuf);
@ -163,25 +189,18 @@ end:
return ret;
}
// Cleanup helper function
// Cleanup resources after processing the video
void cleanup(
AVFormatContext *fmt_ctx,
AVFormatContext *ifmt_ctx,
AVFormatContext *ofmt_ctx,
AVCodecContext *dec_ctx,
AVCodecContext *enc_ctx,
AVBufferRef *hw_ctx,
int *stream_mapping,
Filter *filter
) {
if (filter) {
delete filter;
}
if (dec_ctx) {
avcodec_free_context(&dec_ctx);
}
if (enc_ctx) {
avcodec_free_context(&enc_ctx);
}
if (fmt_ctx) {
avformat_close_input(&fmt_ctx);
if (ifmt_ctx) {
avformat_close_input(&ifmt_ctx);
}
if (ofmt_ctx && !(ofmt_ctx->oformat->flags & AVFMT_NOFILE)) {
avio_closep(&ofmt_ctx->pb);
@ -189,29 +208,68 @@ void cleanup(
if (ofmt_ctx) {
avformat_free_context(ofmt_ctx);
}
if (dec_ctx) {
avcodec_free_context(&dec_ctx);
}
if (enc_ctx) {
avcodec_free_context(&enc_ctx);
}
if (hw_ctx) {
av_buffer_unref(&hw_ctx);
}
if (stream_mapping) {
av_free(stream_mapping);
}
if (filter) {
delete filter;
}
}
// Main function to process the video
/**
* @brief Process a video file using the selected filter and encoder settings.
*
* @param[in] input_filename Path to the input video file
* @param[in] output_filename Path to the output video file
* @param[in] hw_type Hardware device type
* @param[in] filter_config Filter configurations
* @param[in] encoder_config Encoder configurations
* @param[in,out] proc_ctx Video processing context
* @return int 0 on success, non-zero value on error
*/
extern "C" int process_video(
const char *input_filename,
const char *output_filename,
bool benchmark,
AVHWDeviceType hw_type,
const FilterConfig *filter_config,
EncoderConfig *encoder_config,
ProcessingStatus *status
VideoProcessingContext *proc_ctx
) {
AVFormatContext *fmt_ctx = nullptr;
AVFormatContext *ifmt_ctx = nullptr;
AVFormatContext *ofmt_ctx = nullptr;
AVCodecContext *dec_ctx = nullptr;
AVCodecContext *enc_ctx = nullptr;
AVBufferRef *hw_ctx = nullptr;
int *stream_mapping = nullptr;
Filter *filter = nullptr;
int video_stream_index = -1;
int ret = 0; // Initialize ret with 0 to assume success
int ret = 0;
// Initialize hardware device context
if (hw_type != AV_HWDEVICE_TYPE_NONE) {
ret = av_hwdevice_ctx_create(&hw_ctx, hw_type, NULL, NULL, 0);
if (ret < 0) {
fprintf(stderr, "Unable to initialize hardware device context\n");
return ret;
}
}
// Initialize input
if (init_decoder(input_filename, &fmt_ctx, &dec_ctx, &video_stream_index) < 0) {
ret = init_decoder(hw_type, hw_ctx, input_filename, &ifmt_ctx, &dec_ctx, &video_stream_index);
if (ret < 0) {
fprintf(stderr, "Failed to initialize decoder\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return ret;
}
// Initialize output based on Libplacebo or RealESRGAN configuration
@ -230,17 +288,29 @@ extern "C" int process_video(
// Initialize output encoder
encoder_config->output_width = output_width;
encoder_config->output_height = output_height;
if (init_encoder(output_filename, &ofmt_ctx, &enc_ctx, dec_ctx, encoder_config) < 0) {
ret = init_encoder(
hw_ctx,
output_filename,
ifmt_ctx,
&ofmt_ctx,
&enc_ctx,
dec_ctx,
encoder_config,
video_stream_index,
&stream_mapping
);
if (ret < 0) {
fprintf(stderr, "Failed to initialize encoder\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return ret;
}
// Write the output file header
if (avformat_write_header(ofmt_ctx, NULL) < 0) {
ret = avformat_write_header(ofmt_ctx, NULL);
if (ret < 0) {
fprintf(stderr, "Error occurred when opening output file\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return ret;
}
// Create and initialize the appropriate filter
@ -251,20 +321,20 @@ extern "C" int process_video(
// Validate shader path
if (!config.shader_path) {
fprintf(stderr, "Shader path must be provided for the libplacebo filter\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return -1;
}
// Validate output dimensions
if (config.output_width <= 0 || config.output_height <= 0) {
fprintf(stderr, "Output dimensions must be provided for the libplacebo filter\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return -1;
}
filter = new LibplaceboFilter(
filter = new LibplaceboFilter{
config.output_width, config.output_height, std::filesystem::path(config.shader_path)
);
};
break;
}
case FILTER_REALESRGAN: {
@ -273,55 +343,66 @@ extern "C" int process_video(
// Validate model name
if (!config.model) {
fprintf(stderr, "Model name must be provided for the RealESRGAN filter\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return -1;
}
// Validate scaling factor
if (config.scaling_factor <= 0) {
fprintf(stderr, "Scaling factor must be provided for the RealESRGAN filter\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return -1;
}
filter = new RealesrganFilter(
filter = new RealesrganFilter{
config.gpuid, config.tta_mode, config.scaling_factor, config.model
);
};
break;
}
default:
fprintf(stderr, "Unknown filter type\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return -1;
}
// Initialize the filter
if (filter->init(dec_ctx, enc_ctx) < 0) {
ret = filter->init(dec_ctx, enc_ctx, hw_ctx);
if (ret < 0) {
fprintf(stderr, "Failed to initialize filter\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return ret;
}
// Process frames
if ((ret =
process_frames(status, fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter, video_stream_index)
) < 0) {
ret = process_frames(
encoder_config,
proc_ctx,
ifmt_ctx,
ofmt_ctx,
dec_ctx,
enc_ctx,
filter,
video_stream_index,
stream_mapping,
benchmark
);
if (ret < 0) {
fprintf(stderr, "Error processing frames\n");
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
return 1;
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
return ret;
}
// Write the output file trailer
av_write_trailer(ofmt_ctx);
// Cleanup before returning
cleanup(fmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, filter);
cleanup(ifmt_ctx, ofmt_ctx, dec_ctx, enc_ctx, hw_ctx, stream_mapping, filter);
if (ret < 0 && ret != AVERROR_EOF) {
char errbuf[AV_ERROR_MAX_STRING_SIZE];
av_strerror(ret, errbuf, sizeof(errbuf));
fprintf(stderr, "Error occurred: %s\n", errbuf);
return 1;
return ret;
}
return 0;
}

42
src/realesrgan_filter.cpp
View File

@ -1,18 +1,11 @@
#include "realesrgan_filter.h"
#include <cstdint>
#include <cstdio>
#include <filesystem>
#include <string>
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavutil/avutil.h>
#include <libavutil/imgutils.h>
}
#include "conversions.h"
#include "fsutils.h"
#include "realesrgan.h"
#include "realesrgan_filter.h"
RealesrganFilter::RealesrganFilter(
int gpuid,
@ -37,7 +30,7 @@ RealesrganFilter::~RealesrganFilter() {
}
}
int RealesrganFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) {
int RealesrganFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx, AVBufferRef *hw_ctx) {
// Construct the model paths using std::filesystem
std::filesystem::path model_param_path;
std::filesystem::path model_bin_path;
@ -62,6 +55,18 @@ int RealesrganFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) {
std::filesystem::path model_param_full_path = find_resource_file(model_param_path);
std::filesystem::path model_bin_full_path = find_resource_file(model_bin_path);
// Check if the model files exist
if (!std::filesystem::exists(model_param_full_path)) {
fprintf(
stderr, "RealESRGAN model param file not found: %s\n", model_param_full_path.c_str()
);
return -1;
}
if (!std::filesystem::exists(model_bin_full_path)) {
fprintf(stderr, "RealESRGAN model bin file not found: %s\n", model_bin_full_path.c_str());
return -1;
}
// Create a new RealESRGAN instance
realesrgan = new RealESRGAN(gpuid, tta_mode);
@ -95,12 +100,14 @@ int RealesrganFilter::init(AVCodecContext *dec_ctx, AVCodecContext *enc_ctx) {
return 0;
}
AVFrame *RealesrganFilter::process_frame(AVFrame *input_frame) {
int RealesrganFilter::process_frame(AVFrame *input_frame, AVFrame **output_frame) {
int ret;
// Convert the input frame to RGB24
ncnn::Mat input_mat = avframe_to_ncnn_mat(input_frame);
if (input_mat.empty()) {
fprintf(stderr, "Failed to convert AVFrame to ncnn::Mat\n");
return nullptr;
return -1;
}
// Allocate space for ouptut ncnn::Mat
@ -108,19 +115,20 @@ AVFrame *RealesrganFilter::process_frame(AVFrame *input_frame) {
int output_height = input_mat.h * realesrgan->scale;
ncnn::Mat output_mat = ncnn::Mat(output_width, output_height, (size_t)3, 3);
if (realesrgan->process(input_mat, output_mat) != 0) {
ret = realesrgan->process(input_mat, output_mat);
if (ret != 0) {
fprintf(stderr, "RealESRGAN processing failed\n");
return nullptr;
return ret;
}
// Convert ncnn::Mat to AVFrame
AVFrame *output_frame = ncnn_mat_to_avframe(output_mat, output_pix_fmt);
*output_frame = ncnn_mat_to_avframe(output_mat, output_pix_fmt);
// Rescale PTS to encoder's time base
output_frame->pts = av_rescale_q(input_frame->pts, input_time_base, output_time_base);
(*output_frame)->pts = av_rescale_q(input_frame->pts, input_time_base, output_time_base);
// Return the processed frame to the caller
return output_frame;
return ret;
}
int RealesrganFilter::flush(std::vector<AVFrame *> &processed_frames) {

291
src/video2x.c
View File

@ -1,7 +1,19 @@
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <threads.h>
#include <time.h>
#ifdef _WIN32
#include <conio.h>
#else
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#endif
#include <libavutil/hwcontext.h>
#include <libavutil/pixdesc.h>
#include <libavutil/pixfmt.h>
@ -11,14 +23,35 @@
const char *VIDEO2X_VERSION = "6.0.0";
// Set UNIX terminal input to non-blocking mode
#ifndef _WIN32
void set_nonblocking_input(bool enable) {
static struct termios oldt, newt;
if (enable) {
tcgetattr(STDIN_FILENO, &oldt);
newt = oldt;
newt.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK);
} else {
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
fcntl(STDIN_FILENO, F_SETFL, 0);
}
}
#endif
// Define command line options
static struct option long_options[] = {
{"version", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 0},
// General options
{"input", required_argument, NULL, 'i'},
{"output", required_argument, NULL, 'o'},
{"filter", required_argument, NULL, 'f'},
{"version", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 0},
{"hwaccel", required_argument, NULL, 'a'},
{"nocopystreams", no_argument, NULL, 0},
{"benchmark", no_argument, NULL, 0},
// Encoder options
{"codec", required_argument, NULL, 'c'},
@ -27,7 +60,7 @@ static struct option long_options[] = {
{"bitrate", required_argument, NULL, 'b'},
{"crf", required_argument, NULL, 'q'},
// Libplacebo options
// libplacebo options
{"shader", required_argument, NULL, 's'},
{"width", required_argument, NULL, 'w'},
{"height", required_argument, NULL, 'h'},
@ -45,6 +78,9 @@ struct arguments {
const char *input_filename;
const char *output_filename;
const char *filter_type;
const char *hwaccel;
bool nocopystreams;
bool benchmark;
// Encoder options
const char *codec;
@ -64,6 +100,14 @@ struct arguments {
int scaling_factor;
};
struct ProcessVideoThreadArguments {
struct arguments *arguments;
enum AVHWDeviceType hw_device_type;
struct FilterConfig *filter_config;
struct EncoderConfig *encoder_config;
struct VideoProcessingContext *proc_ctx;
};
const char *valid_models[] = {
"realesrgan-plus",
"realesrgan-plus-anime",
@ -84,19 +128,23 @@ int is_valid_realesrgan_model(const char *model) {
void print_help() {
printf("Usage: video2x [OPTIONS]\n");
printf("\nGeneral Options:\n");
printf("\nOptions:\n");
printf(" -v, --version Print program version\n");
printf(" -?, --help Display this help page\n");
printf("\nGeneral Processing Options:\n");
printf(" -i, --input Input video file path\n");
printf(" -o, --output Output video file path\n");
printf(" -f, --filter Filter to use: 'libplacebo' or 'realesrgan'\n");
printf(" -v, --version Print program version\n");
printf(" --help Display this help page\n");
printf(" -a, --hwaccel Hardware acceleration method (default: none)\n");
printf(" --nocopystreams Do not copy audio and subtitle streams\n");
printf(" --benchmark Discard processed frames and calculate average FPS\n");
printf("\nEncoder Options (Optional):\n");
printf(" -c, --codec Output codec (default: libx264)\n");
printf(" -p, --preset Encoder preset (default: veryslow)\n");
printf(" -x, --pixfmt Output pixel format (default: yuv420p)\n");
printf(" -b, --bitrate Bitrate in bits per second (default: 2000000)\n");
printf(" -q, --crf Constant Rate Factor (default: 17.0)\n");
printf(" -p, --preset Encoder preset (default: slow)\n");
printf(" -x, --pixfmt Output pixel format (default: auto)\n");
printf(" -b, --bitrate Bitrate in bits per second (default: 0 (VBR))\n");
printf(" -q, --crf Constant Rate Factor (default: 20.0)\n");
printf("\nlibplacebo Options:\n");
printf(" -s, --shader Name or path to custom GLSL shader file\n");
@ -107,6 +155,10 @@ void print_help() {
printf(" -g, --gpuid Vulkan GPU ID (default: 0)\n");
printf(" -m, --model Name of the model to use\n");
printf(" -r, --scale Scaling factor (2, 3, or 4)\n");
printf("\nExamples Usage:\n");
printf(" video2x -i in.mp4 -o out.mp4 -f libplacebo -s anime4k-mode-a -w 3840 -h 2160\n");
printf(" video2x -i in.mp4 -o out.mp4 -f realesrgan -m realesr-animevideov3 -r 4\n");
}
void parse_arguments(int argc, char **argv, struct arguments *arguments) {
@ -117,13 +169,16 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
arguments->input_filename = NULL;
arguments->output_filename = NULL;
arguments->filter_type = NULL;
arguments->hwaccel = "none";
arguments->nocopystreams = false;
arguments->benchmark = false;
// Encoder options
arguments->codec = "libx264";
arguments->preset = "veryslow";
arguments->pix_fmt = "yuv420p";
arguments->bitrate = 2 * 1000 * 1000;
arguments->crf = 17.0;
arguments->preset = "slow";
arguments->pix_fmt = NULL;
arguments->bitrate = 0;
arguments->crf = 20.0;
// libplacebo options
arguments->shader_path = NULL;
@ -135,8 +190,9 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
arguments->model = NULL;
arguments->scaling_factor = 0;
while ((c = getopt_long(argc, argv, "i:o:f:c:x:p:b:q:s:w:h:r:m:v", long_options, &option_index)
) != -1) {
while ((c = getopt_long(
argc, argv, "i:o:f:a:c:x:p:b:q:s:w:h:r:m:v", long_options, &option_index
)) != -1) {
switch (c) {
case 'i':
arguments->input_filename = optarg;
@ -147,6 +203,9 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
case 'f':
arguments->filter_type = optarg;
break;
case 'a':
arguments->hwaccel = optarg;
break;
case 'c':
arguments->codec = optarg;
break;
@ -195,7 +254,8 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
if (!is_valid_realesrgan_model(arguments->model)) {
fprintf(
stderr,
"Error: Invalid model specified. Must be 'realesrgan-plus', 'realesrgan-plus-anime', or 'realesr-animevideov3'.\n"
"Error: Invalid model specified. Must be 'realesrgan-plus', "
"'realesrgan-plus-anime', or 'realesr-animevideov3'.\n"
);
exit(1);
}
@ -209,12 +269,16 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
}
break;
case 'v':
printf("video2x %s\n", VIDEO2X_VERSION);
printf("Video2X v%s\n", VIDEO2X_VERSION);
exit(0);
case 0: // Long-only options without short equivalents (e.g., help)
case 0: // Long-only options without short equivalents
if (strcmp(long_options[option_index].name, "help") == 0) {
print_help();
exit(0);
} else if (strcmp(long_options[option_index].name, "nocopystreams") == 0) {
arguments->nocopystreams = true;
} else if (strcmp(long_options[option_index].name, "benchmark") == 0) {
arguments->benchmark = true;
}
break;
default:
@ -224,8 +288,13 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
}
// Check for required arguments
if (!arguments->input_filename || !arguments->output_filename) {
fprintf(stderr, "Error: Input and output files are required.\n");
if (!arguments->input_filename) {
fprintf(stderr, "Error: Input file path is required.\n");
exit(1);
}
if (!arguments->output_filename && !arguments->benchmark) {
fprintf(stderr, "Error: Output file path is required.\n");
exit(1);
}
@ -239,7 +308,8 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
arguments->output_height == 0) {
fprintf(
stderr,
"Error: For libplacebo, shader name/path (-s), width (-w), and height (-e) are required.\n"
"Error: For libplacebo, shader name/path (-s), width (-w), "
"and height (-e) are required.\n"
);
exit(1);
}
@ -253,7 +323,40 @@ void parse_arguments(int argc, char **argv, struct arguments *arguments) {
}
}
// Wrapper function for video processing thread
int process_video_thread(void *arg) {
struct ProcessVideoThreadArguments *thread_args = (struct ProcessVideoThreadArguments *)arg;
// Extract individual arguments
struct arguments *arguments = thread_args->arguments;
enum AVHWDeviceType hw_device_type = thread_args->hw_device_type;
struct FilterConfig *filter_config = thread_args->filter_config;
struct EncoderConfig *encoder_config = thread_args->encoder_config;
struct VideoProcessingContext *proc_ctx = thread_args->proc_ctx;
// Call the process_video function
int result = process_video(
arguments->input_filename,
arguments->output_filename,
arguments->benchmark,
hw_device_type,
filter_config,
encoder_config,
proc_ctx
);
proc_ctx->completed = true;
return result;
}
int main(int argc, char **argv) {
// Print help if no arguments are provided
if (argc < 2) {
print_help();
return 1;
}
// Parse command line arguments
struct arguments arguments;
parse_arguments(argc, argv, &arguments);
@ -283,16 +386,20 @@ int main(int argc, char **argv) {
}
// Parse pixel format to AVPixelFormat
enum AVPixelFormat pix_fmt = av_get_pix_fmt(arguments.pix_fmt);
enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
if (arguments.pix_fmt) {
pix_fmt = av_get_pix_fmt(arguments.pix_fmt);
if (pix_fmt == AV_PIX_FMT_NONE) {
fprintf(stderr, "Error: Invalid pixel format '%s'.\n", arguments.pix_fmt);
return 1;
}
}
// Setup encoder configuration
struct EncoderConfig encoder_config = {
.output_width = 0, // To be filled by libvideo2x
.output_height = 0, // To be filled by libvideo2x
.copy_streams = !arguments.nocopystreams,
.codec = codec->id,
.pix_fmt = pix_fmt,
.preset = arguments.preset,
@ -300,26 +407,134 @@ int main(int argc, char **argv) {
.crf = arguments.crf,
};
// Setup struct to store processing status
struct ProcessingStatus status = {0};
// Process the video
if (process_video(
arguments.input_filename,
arguments.output_filename,
&filter_config,
&encoder_config,
&status
)) {
fprintf(stderr, "Video processing failed.\n");
// Parse hardware acceleration method
enum AVHWDeviceType hw_device_type = AV_HWDEVICE_TYPE_NONE;
if (strcmp(arguments.hwaccel, "none") != 0) {
hw_device_type = av_hwdevice_find_type_by_name(arguments.hwaccel);
if (hw_device_type == AV_HWDEVICE_TYPE_NONE) {
fprintf(stderr, "Error: Invalid hardware device type '%s'.\n", arguments.hwaccel);
return 1;
}
}
// Setup struct to store processing context
struct VideoProcessingContext proc_ctx = {
.processed_frames = 0,
.total_frames = 0,
.start_time = time(NULL),
.pause = false,
.abort = false,
.completed = false
};
// Create a ThreadArguments struct to hold all the arguments for the thread
struct ProcessVideoThreadArguments thread_args = {
.arguments = &arguments,
.hw_device_type = hw_device_type,
.filter_config = &filter_config,
.encoder_config = &encoder_config,
.proc_ctx = &proc_ctx
};
// Enable non-blocking input
#ifndef _WIN32
set_nonblocking_input(true);
#endif
// Create a thread for video processing
thrd_t processing_thread;
if (thrd_create(&processing_thread, process_video_thread, &thread_args) != thrd_success) {
fprintf(stderr, "Failed to create processing thread\n");
return 1;
}
printf("[Video2X] Video processing started.\n");
printf("[Video2X] Press SPACE to pause/resume, 'q' to abort.\n");
// Main thread loop to display progress and handle input
while (!proc_ctx.completed) {
// Check for key presses
int ch = -1;
// Check for key press
#ifdef _WIN32
if (_kbhit()) {
ch = _getch();
}
#else
ch = getchar();
#endif
if (ch == ' ' || ch == '\n') {
// Toggle pause state
proc_ctx.pause = !proc_ctx.pause;
if (proc_ctx.pause) {
printf("\n[Video2X] Processing paused. Press SPACE to resume, 'q' to abort.");
} else {
printf("\n[Video2X] Resuming processing...");
}
fflush(stdout);
} else if (ch == 'q' || ch == 'Q') {
// Abort processing
printf("\n[Video2X] Aborting processing...");
fflush(stdout);
proc_ctx.abort = true;
break;
}
// Display progress
if (!proc_ctx.pause && proc_ctx.total_frames > 0) {
printf(
"\r[Video2X] Processing frame %ld/%ld (%.2f%%); time elapsed: %lds",
proc_ctx.processed_frames,
proc_ctx.total_frames,
proc_ctx.total_frames > 0
? proc_ctx.processed_frames * 100.0 / proc_ctx.total_frames
: 0.0,
time(NULL) - proc_ctx.start_time
);
fflush(stdout);
}
// Sleep for a short duration
thrd_sleep(&(struct timespec){.tv_sec = 0, .tv_nsec = 100000000}, NULL); // Sleep for 100ms
}
puts(""); // Print newline after progress bar is complete
// Restore terminal to blocking mode
#ifndef _WIN32
set_nonblocking_input(false);
#endif
// Join the processing thread to ensure it completes before exiting
int process_result;
thrd_join(processing_thread, &process_result);
if (proc_ctx.abort) {
fprintf(stderr, "Video processing aborted\n");
return 2;
}
if (process_result != 0) {
fprintf(stderr, "Video processing failed\n");
return process_result;
}
// Calculate statistics
time_t time_elapsed = time(NULL) - proc_ctx.start_time;
float average_speed_fps =
(float)proc_ctx.processed_frames / (time_elapsed > 0 ? time_elapsed : 1);
// Print processing summary
printf("====== Video2X Processing summary ======\n");
printf("====== Video2X %s summary ======\n", arguments.benchmark ? "Benchmark" : "Processing");
printf("Video file processed: %s\n", arguments.input_filename);
printf("Total frames processed: %ld\n", status.processed_frames);
printf("Total time taken: %lds\n", time(NULL) - status.start_time);
printf("Total frames processed: %ld\n", proc_ctx.processed_frames);
printf("Total time taken: %lds\n", time_elapsed);
printf("Average processing speed: %.2f FPS\n", average_speed_fps);
// Print additional information if not in benchmark mode
if (!arguments.benchmark) {
printf("Output written to: %s\n", arguments.output_filename);
}
return 0;
}