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Remove the C transcoder

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Zoe Roux 2023-07-31 00:29:34 +09:00
parent fdc537d69a
commit ae901b257b
25 changed files with 3 additions and 1736 deletions
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11
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@ -1,9 +1,3 @@
FROM mcr.microsoft.com/dotnet/sdk:7.0 as transcoder
RUN apt-get update && apt-get install -y cmake make libavutil-dev libavcodec-dev libavformat-dev
WORKDIR /transcoder
COPY src/Kyoo.Transcoder .
RUN cmake . && make -j
FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:7.0 as builder
ARG TARGETARCH
WORKDIR /kyoo
@ -22,12 +16,11 @@ RUN dotnet restore -a $TARGETARCH
COPY . .
ARG VERSION
RUN dotnet publish -a $TARGETARCH --no-restore -c Release -o /app "-p:Version=${VERSION:-"0.0.0-dev"};SkipTranscoder=true" src/Kyoo.Host
RUN dotnet publish -a $TARGETARCH --no-restore -c Release -o /app "-p:Version=${VERSION:-"0.0.0-dev"}" src/Kyoo.Host
FROM mcr.microsoft.com/dotnet/aspnet:7.0
RUN apt-get update && apt-get install -y libavutil-dev libavcodec-dev libavformat-dev curl
RUN apt-get update && apt-get install -y curl
COPY --from=builder /app /app
COPY --from=transcoder /transcoder/libtranscoder.so /app
WORKDIR /kyoo
EXPOSE 5000

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@ -1,12 +1,5 @@
FROM mcr.microsoft.com/dotnet/sdk:7.0 as transcoder
# Using the dotnet sdk as a base image to have the same versions of glibc/ffmpeg
RUN apt-get update && apt-get install -y gcc cmake make libavutil-dev libavcodec-dev libavformat-dev
WORKDIR /transcoder
COPY src/Kyoo.Transcoder .
RUN cmake . && make -j
FROM mcr.microsoft.com/dotnet/sdk:7.0
RUN apt-get update && apt-get install -y libavutil-dev libavcodec-dev libavformat-dev curl
RUN apt-get update && apt-get install -y curl
WORKDIR /app
COPY Kyoo.sln ./Kyoo.sln
@ -21,12 +14,9 @@ COPY src/Kyoo.Swagger/Kyoo.Swagger.csproj src/Kyoo.Swagger/Kyoo.Swagger.csproj
COPY tests/Kyoo.Tests/Kyoo.Tests.csproj tests/Kyoo.Tests/Kyoo.Tests.csproj
RUN dotnet restore
COPY --from=transcoder /transcoder/libtranscoder.so /lib/libtranscoder.so
WORKDIR /kyoo
EXPOSE 5000
ENV DOTNET_USE_POLLING_FILE_WATCHER 1
HEALTHCHECK --interval=5s CMD curl --fail http://localhost:5000/health || exit
# ENV LD_DEBUG libs
CMD dotnet watch run --no-restore --project /app/src/Kyoo.Host

10
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@ -1,10 +0,0 @@
.idea/*
cmake-build-debug/*
build/*
buildWin/*
buildOSX/*
tests/*.o
tests/ts
tests/*/*
.cache/
compile_commands.json

36
back/src/Kyoo.Transcoder/CMakeLists.txt
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cmake_minimum_required(VERSION 3.12)
set(CMAKE_C_STANDARD 11)
set(PROJECT_VERSION "1.0")
project(transcoder VERSION ${PROJECT_VERSION} LANGUAGES C)
add_library(transcoder SHARED
src/helper.c
src/info.c
src/extractor.c
src/transmuxer.c
src/path_helper.c
src/destroyer.c
src/compatibility.c
)
set_property(TARGET transcoder PROPERTY C_STANDARD 11)
set_property(TARGET transcoder PROPERTY POSITION_INDEPENDENT_CODE ON)
include_directories(include)
target_link_directories(transcoder PRIVATE ${CMAKE_SOURCE_DIR}/lib)
target_link_libraries(transcoder avformat avcodec avutil)
if(WIN32)
target_link_libraries(transcoder wsock32 ws2_32)
target_link_libraries(transcoder Secur32 Secur32)
target_link_libraries(transcoder Bcrypt Bcrypt)
else()
target_link_libraries(transcoder m pthread)
endif()
add_executable(test EXCLUDE_FROM_ALL
tests/test_main.c
)
set_property(TARGET test PROPERTY C_STANDARD 11)
target_link_libraries(test transcoder)

674
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@ -1,674 +0,0 @@
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Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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@ -1,15 +0,0 @@
# Kyoo.Transcoder
A C library using FFMPEG (libav) to process videos files for kyoo.
## Features
- Return streams informations (language, title, codec, arrangement)
- Extract subtitles, fonts & chapters to an external file
- Transmux to hls (TODO support multi-audio)
## Building
To build this library, you will need a cmake compatible environment. If you are on linux, you can simply use cmake, make and gcc.
Simply run ```mkdir -p build; cd build; cmake ..; make -j``` and it will create a libtranscoder.so file.
If you are on windows, I haven't tested the build process yet. It should work with minimal modification.

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//
// Created by Anonymus Raccoon on 16/12/2019.
//
#pragma once
#if defined(_WIN32) || defined(WIN32)
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_NONSTDC_NO_DEPRECATE
#include <io.h>
#include <direct.h>
#include <stddef.h>
#include <stdarg.h>
#pragma warning(disable : 5105)
#include <windows.h>
#define PATH_MAX MAX_PATH
char *strndup(const char *str, size_t count);
int asprintf(char **buffer, const char *fmt, ...);
int vasprintf(char **buffer, const char *fmt, va_list args);
#define S_ISDIR(x) ((x) & S_IFDIR)
#else
#define _GNU_SOURCE
#include <unistd.h>
#endif
#include <stdio.h>

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@ -1,13 +0,0 @@
//
// Created by Anonymus Raccoon on 15/12/2019.
//
#pragma once
#if defined _WIN32 || defined __CYGWIN__
#define API __declspec(dllexport)
#elif defined __GNUC__
#define API __attribute__((unused))
#else
#define API
#endif

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@ -1,16 +0,0 @@
//
// Created by Anonymus Raccoon on 15/12/2019.
//
#pragma once
#include <libavformat/avformat.h>
#include <libavutil/dict.h>
#include <libavutil/timestamp.h>
#include "stream.h"
int open_input_context(AVFormatContext **inputContext, const char *path);
AVStream *copy_stream_to_output(AVFormatContext *out_ctx, AVStream *in_stream);
int open_output_file_for_write(AVFormatContext *out_ctx, const char *out_path, AVDictionary **options);
void process_packet(AVPacket *pkt, AVStream *in_stream, AVStream *out_stream);
type type_fromffmpeg(AVStream *stream);

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//
// Created by Zoe Roux on 2019-12-29.
//
#pragma once
/**
* A function that return a newly allocated string containing the filename
* without the extension of a path.
*
* @param path The path of the file to get the name for.
* @return The name of the the file without the extension
* @warning The returned string is malloced and should be freed after use.
*/
char *path_getfilename(const char *path);
/**
* Get the extension that should be used for a specific codec.
*
* @param codec The name of the codec to get the extension for.
* @return A read only string containing the extension to use for the given
* codec or NULL if the codec is not known.
*/
char *get_extension_from_codec(char *codec);
/**
* Create a new directory at the given path, if the directory already exists,
* do nothing and succeed.
*
* @param path The path of the directory to create
* @param mode The permissions flags (unused on windows)
* @return 0 if the directory was created without fail, the error code of mkdir otherwise
* (-1 and the errno set appropriately).
*/
int path_mkdir(const char *path, int mode);
/**
* Create a new directory and create parent directories if needed. If the whole
* path tree already exists, do nothing and succeed.
*
* @param path The path of the directory to create.
* @param mode The permission flags of new directories (unused on windows)
* @return 0 if all directory were created without fail, the error code of mkdir otherwise
* (-1 and the errno set appropriately).
*/
int path_mkdir_p(const char *path, int mode);

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back/src/Kyoo.Transcoder/include/stream.h
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//
// Created by Anonymus Raccoon on 16/12/2019.
//
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <libavformat/avformat.h>
#include <libavutil/log.h>
#define AV_LOG_LEVEL AV_LOG_WARNING
typedef enum
{
none = 0,
video = 1,
audio = 2,
subtitle = 3,
attachment = 4
} type;
typedef struct stream
{
char *title;
char *language;
char *codec;
bool is_default;
bool is_forced;
char *path;
type type;
} stream;
void extract_track(stream *track,
const char *out_path,
AVStream *stream,
AVFormatContext *in_ctx,
AVFormatContext **out_ctx,
bool reextract);
void extract_attachment(stream *font, const char *out_path, AVStream *stream);
void extract_chapters(AVFormatContext *ctx, const char *out_path);

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back/src/Kyoo.Transcoder/include/transcoder.h
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//
// Created by Anonymus Raccoon on 15/12/2019.
//
#pragma once
#include "export.h"
#include "stream.h"
API int init();
API int transmux(const char *path, const char *out_path, float *playable_duration);
//API int transcode(const char *path, const char *out_path, float *playable_duration);
API stream *extract_infos(const char *path,
const char *out_path,
unsigned *stream_count,
unsigned *track_count,
bool reextract);
API void destroy_stream(stream *s);
API void free_streams(stream *streamsPtr, unsigned count);

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//
// Created by Zoe Roux on 2021-04-15.
//
#include "compatibility.h"
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#if defined(_WIN32) || defined(WIN32)
char *strndup(const char *str, size_t count)
{
size_t len = strnlen(str, count);
char *ret = malloc(sizeof(char) * (len + 1));
if (!ret)
return NULL;
ret[len] = '\0';
memcpy(ret, str, len);
return ret;
}
int asprintf(char **buffer, const char *fmt, ...)
{
va_list args;
int ret;
va_start(args, fmt);
ret = vasprintf(buffer, fmt, args);
va_end(args);
return ret;
}
int vasprintf(char **buffer, const char *fmt, va_list args)
{
va_list copy;
int len;
va_copy(copy, args);
len = _vscprintf(fmt, args);
va_end(copy);
*buffer = malloc(sizeof(char) * (len + 1));
if (!*buffer)
return -1;
vsprintf(*buffer, fmt, args);
return len;
}
#endif

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back/src/Kyoo.Transcoder/src/destroyer.c
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@ -1,22 +0,0 @@
//
// Created by anonymus-raccoon on 12/29/19.
//
#include "stream.h"
#include "export.h"
#include <stdlib.h>
API void destroy_stream(stream *s)
{
free(s->title);
free(s->language);
free(s->codec);
free(s->path);
}
API void free_streams(stream *s, unsigned count)
{
for (unsigned i = 0; i < count; i++)
destroy_stream(s + i);
free(s);
}

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back/src/Kyoo.Transcoder/src/extractor.c
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@ -1,145 +0,0 @@
//
// Created by Zoe Roux on 2020-10-27.
//
#include "compatibility.h"
#include "path_helper.h"
#include "stream.h"
#include "helper.h"
#include <stdlib.h>
#include <fcntl.h>
#include <sys/stat.h>
// @return -1 on error, 1 if track has already been extracted, 0 if the track does not exist.
int create_out_path(stream *track, const char *out_path, int track_id)
{
char *file_name = path_getfilename(track->path);
char *extension = get_extension_from_codec(track->codec);
char identifier[20];
if (!extension || !file_name) {
free(file_name);
return -2;
}
free(track->path);
if (!track->language || !strcmp(track->language, "und"))
snprintf(identifier, sizeof(identifier), "und-%d", track_id);
asprintf(
&track->path,
"%s/%s.%s%s%s%s",
out_path,
file_name,
track->language ? track->language : identifier,
track->is_default ? ".default" : "",
track->is_forced ? ".forced" : "",
extension
);
free(file_name);
if (!track->path)
return -2;
struct stat s;
return stat(track->path, &s) == 0 && s.st_size > 0;
}
int extract_stream(AVFormatContext **out_ctx, stream *s, AVFormatContext *int_ctx, AVStream *in_stream)
{
AVStream *out_stream = NULL;
if (avformat_alloc_output_context2(out_ctx, NULL, NULL, s->path) < 0) {
av_log(NULL, AV_LOG_ERROR, "Could not create an output file.\n");
return -1;
}
av_dict_copy(&(*out_ctx)->metadata, int_ctx->metadata, 0);
out_stream = copy_stream_to_output(*out_ctx, in_stream);
if (out_stream && open_output_file_for_write(*out_ctx, s->path, NULL) == 0)
return 0;
if (*out_ctx && !((*out_ctx)->flags & AVFMT_NOFILE))
avio_closep(&(*out_ctx)->pb);
avformat_free_context(*out_ctx);
av_log(NULL, AV_LOG_ERROR, "An error occurred, cleaning up the output context for the %s stream.\n", s->language);
*out_ctx = NULL;
return -1;
}
void extract_track(stream *track,
const char *out_path,
AVStream *stream,
AVFormatContext *in_ctx,
AVFormatContext **out_ctx,
bool reextract)
{
int ret = create_out_path(track, out_path, stream->id);
if (ret == 0 || (reextract && ret == 1))
extract_stream(out_ctx, track, in_ctx, stream);
}
void extract_attachment(stream *font, const char *out_path, AVStream *stream)
{
AVDictionaryEntry *filename = av_dict_get(stream->metadata, "filename", NULL, 0);
if (!filename)
return;
free(font->path);
font->path = malloc((strlen(out_path) + 18 + strlen(filename->value)) * sizeof(char));
if (!font->path)
return;
strcpy(font->path, out_path);
strcat(font->path, "/Attachments/");
if (path_mkdir(font->path, 0755) < 0) {
free(font->path);
return;
}
strcat(font->path, filename->value);
size_t count = strchr(filename->value, '.') - filename->value;
if (count > 0)
font->title = strndup(filename->value, count);
int fd = open(font->path, O_WRONLY | O_CREAT, 0644);
if (fd == -1) {
av_log(NULL, AV_LOG_ERROR, "Could not extract an attachment (%s).\n", strerror(errno));
return;
}
write(fd, stream->codecpar->extradata, stream->codecpar->extradata_size);
close(fd);
}
void extract_chapters(AVFormatContext *ctx, const char *out_path)
{
if (ctx->nb_chapters == 0)
return;
const char *filename = strrchr(ctx->url, '/');
char *path = malloc((strlen(filename) + strlen(out_path) + 15) * sizeof(char));
char *tmp;
if (!path)
return;
strcpy(path, out_path);
strcat(path, "/Chapters/");
if (path_mkdir_p(path, 0755) < 0)
return;
strcat(path, filename);
tmp = strrchr(path, '.');
if (tmp)
*tmp = '\0';
strcat(path, ".txt");
FILE *file = fopen(path, "w");
for (unsigned i = 0; i < ctx->nb_chapters; i++) {
AVDictionaryEntry *name = av_dict_get(ctx->chapters[i]->metadata, "title", NULL, 0);
if (!name)
continue;
const AVChapter *chapter = ctx->chapters[i];
if (chapter->start == AV_NOPTS_VALUE || chapter->end == AV_NOPTS_VALUE)
continue;
double start = chapter->start * av_q2d(chapter->time_base);
double end = chapter->end * av_q2d(chapter->time_base);
fprintf(file, "%f %f %s\n", start, end, name->value);
}
fclose(file);
free(path);
}

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//
// Created by Zoe Roux on 2019-12-20.
//
#include <stdio.h>
#include "helper.h"
#include "stream.h"
int open_input_context(AVFormatContext **in_ctx, const char *path)
{
if (avformat_open_input(in_ctx, path, NULL, NULL)) {
av_log(NULL, AV_LOG_ERROR, "Can't open the file at %s.\n", path);
return 1;
}
if (avformat_find_stream_info(*in_ctx, NULL) < 0) {
av_log(NULL, AV_LOG_ERROR, "Could not find streams information for the file at %s.\n", path);
return 1;
}
return 0;
}
AVStream *copy_stream_to_output(AVFormatContext *out_ctx, AVStream *in_stream)
{
AVStream *out_stream = avformat_new_stream(out_ctx, NULL);
if (out_stream == NULL) {
av_log(NULL, AV_LOG_ERROR, "Couldn't create stream.\n");
return NULL;
}
if (avcodec_parameters_copy(out_stream->codecpar, in_stream->codecpar) < 0) {
av_log(NULL, AV_LOG_ERROR, "Could not copy parameters to the output file.\n");
return NULL;
}
out_stream->codecpar->codec_tag = 0;
return out_stream;
}
int open_output_file_for_write(AVFormatContext *out_ctx, const char *out_path, AVDictionary **options)
{
if (!(out_ctx->oformat->flags & AVFMT_NOFILE)) {
if (avio_open(&out_ctx->pb, out_path, AVIO_FLAG_WRITE) < 0) {
av_log(NULL, AV_LOG_ERROR, "Could not open file for write at %s.\n", out_path);
return 1;
}
}
if (avformat_write_header(out_ctx, options) < 0) {
if (!(out_ctx->oformat->flags & AVFMT_NOFILE))
avio_close(out_ctx->pb);
av_log(NULL, AV_LOG_ERROR, "Could not write headers to file at %s.\n", out_path);
return 1;
}
return 0;
}
void process_packet(AVPacket *pkt, AVStream *in_stream, AVStream *out_stream)
{
pkt->pts = av_rescale_q_rnd(pkt->pts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX);
pkt->dts = av_rescale_q_rnd(pkt->dts, in_stream->time_base, out_stream->time_base, AV_ROUND_NEAR_INF | AV_ROUND_PASS_MINMAX);
pkt->duration = av_rescale_q(pkt->duration, in_stream->time_base, out_stream->time_base);
pkt->pos = -1;
}
type type_fromffmpeg(AVStream *stream)
{
switch (stream->codecpar->codec_type)
{
case AVMEDIA_TYPE_VIDEO:
return video;
case AVMEDIA_TYPE_AUDIO:
return audio;
case AVMEDIA_TYPE_SUBTITLE:
return subtitle;
case AVMEDIA_TYPE_ATTACHMENT:
return attachment;
default:
return none;
}
}

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//
// Created by Anonymus Raccoon on 20/12/2019.
//
#include <compatibility.h>
#include <stdio.h>
#include "export.h"
#include "stream.h"
#include "helper.h"
API int init()
{
puts("Kyoo's transcoder initiated.");
return sizeof(stream);
}
void write_to_outputs(AVFormatContext **output_list, AVFormatContext *in_ctx)
{
AVPacket pkt;
while (av_read_frame(in_ctx, &pkt) == 0) {
AVFormatContext *out_ctx;
if ((unsigned)pkt.stream_index >= in_ctx->nb_streams)
continue;
out_ctx = output_list[pkt.stream_index];
if (!out_ctx) {
av_packet_unref(&pkt);
continue;
}
process_packet(&pkt, in_ctx->streams[pkt.stream_index], out_ctx->streams[0]);
pkt.stream_index = 0;
if (av_interleaved_write_frame(out_ctx, &pkt) < 0)
av_log(NULL, AV_LOG_ERROR, "Error while writing a packet to the output file.\n");
av_packet_unref(&pkt);
}
for (unsigned i = 0; i < in_ctx->nb_streams; i++) {
AVFormatContext *out_ctx = output_list[i];
if (!out_ctx)
continue;
av_write_trailer(out_ctx);
if (!(out_ctx->flags & AVFMT_NOFILE))
avio_closep(&out_ctx->pb);
avformat_free_context(out_ctx);
}
}
bool list_empty(void **list, unsigned count)
{
for (unsigned i = 0; i < count; i++)
if (list[i])
return false;
return true;
}
stream parse_stream(AVStream *stream, type stream_type, const char *path)
{
const AVCodecParameters *codecpar = stream->codecpar;
AVDictionaryEntry *languageptr = av_dict_get(stream->metadata, "language", NULL, 0);
return (struct stream){
NULL,
languageptr ? strdup(languageptr->value) : NULL,
strdup(avcodec_get_name(codecpar->codec_id)),
stream->disposition & AV_DISPOSITION_DEFAULT,
stream->disposition & AV_DISPOSITION_FORCED,
strdup(path),
stream_type
};
}
API stream *extract_infos(const char *path,
const char *out_path,
unsigned *stream_count,
unsigned *track_count,
bool reextract)
{
AVFormatContext *ctx = NULL;
AVFormatContext **output_list;
stream *streams;
if (open_input_context(&ctx, path) != 0)
return NULL;
*stream_count = ctx->nb_streams;
*track_count = 0;
streams = calloc(ctx->nb_streams, sizeof(stream));
output_list = calloc(ctx->nb_streams, sizeof(AVFormatContext *));
if (output_list && streams) {
extract_chapters(ctx, out_path);
for (unsigned i = 0; i < *stream_count; i++) {
AVStream *stream = ctx->streams[i];
type stream_type = type_fromffmpeg(stream);
if (stream_type == none)
continue;
*track_count += 1;
streams[i] = parse_stream(stream, stream_type, path);
if (stream_type == subtitle)
extract_track(&streams[i], out_path, stream, ctx, &output_list[i], reextract);
if (stream_type == attachment)
extract_attachment(&streams[i], out_path, stream);
}
}
if (!list_empty((void **)output_list, ctx->nb_streams))
write_to_outputs(output_list, ctx);
avformat_close_input(&ctx);
if (!output_list) {
free(streams);
return NULL;
}
free(output_list);
return streams;
}

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//
// Created by Zoe Roux on 2019-12-29.
//
#include "compatibility.h"
#include <string.h>
#include <errno.h>
#include <sys/stat.h>
#include <limits.h>
#include <libavutil/log.h>
char *path_getfilename(const char *path)
{
const char *lastSlash = strrchr(path, '/');
const char *name = lastSlash ? lastSlash + 1 : path;
const char *extension = strrchr(path, '.');
size_t len = extension ? extension - name : 1024;
return strndup(name, len);
}
char *get_extension_from_codec(char *codec)
{
if (!codec)
return NULL;
if (!strcmp(codec, "subrip"))
return ".srt";
if (!strcmp(codec, "ass"))
return ".ass";
if (!strcmp(codec, "ttf"))
return ".ttf";
av_log(NULL, AV_LOG_ERROR, "Unsupported subtitle codec: %s.\n", codec);
return NULL;
}
int path_mkdir(const char *path, int mode)
{
int ret;
struct stat s;
if (!path)
return -1;
#if defined(_WIN32) || defined(WIN32)
(void)mode;
ret = mkdir(path);
#else
ret = mkdir(path, mode);
#endif
if (ret < 0 && errno == EEXIST && stat(path, &s) == 0) {
if (S_ISDIR(s.st_mode))
return 0;
}
return ret;
}
int path_mkdir_p(const char *path, int mode)
{
char buffer[PATH_MAX + 5];
char *ptr = buffer + 1; // Skipping the first '/'
int ret;
strcpy(buffer, path);
while ((ptr = strchr(ptr, '/'))) {
*ptr = '\0';
ret = path_mkdir(buffer, mode);
if (ret != 0)
return ret;
*ptr = '/';
ptr++;
}
return path_mkdir(path, mode);
}

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back/src/Kyoo.Transcoder/src/transmuxer.c
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@ -1,133 +0,0 @@
//
// Created by Anonymus Raccoon on 20/12/2019.
//
#include "compatibility.h"
#include "export.h"
#include "transcoder.h"
#include "helper.h"
#include "path_helper.h"
#include <stdlib.h>
static bool should_copy_to_transmuxed(enum AVMediaType codec_type)
{
if (codec_type == AVMEDIA_TYPE_VIDEO)
return true;
if (codec_type == AVMEDIA_TYPE_AUDIO)
return true;
return false;
}
static int *prepare_streammap(AVFormatContext *in_ctx, AVFormatContext *out_ctx)
{
int *stream_map = malloc(sizeof(int) * in_ctx->nb_streams);
int stream_count = 0;
AVStream *stream;
if (!stream_map)
return NULL;
for (unsigned i = 0; i < in_ctx->nb_streams; i++) {
stream = in_ctx->streams[i];
if (should_copy_to_transmuxed(stream->codecpar->codec_type)) {
stream_map[i] = stream_count;
stream_count++;
if (!copy_stream_to_output(out_ctx, stream)) {
free(stream_map);
return NULL;
}
} else
stream_map[i] = -1;
}
return stream_map;
}
static AVDictionary *create_options_context(const char *out_path)
{
AVDictionary *options = NULL;
char *seg_path = av_malloc(sizeof(char) * strlen(out_path) + 22);
int folder_index;
if (!seg_path)
return NULL;
folder_index = (int)(strrchr(out_path, '/') - out_path);
sprintf(seg_path, "%.*s/segments/", folder_index, out_path);
if (path_mkdir(seg_path, 0755) < 0) {
av_log(NULL, AV_LOG_ERROR, "Couldn't create segment output folder (%s). "
"Part of the output path does not exist or you don't have write rights.\n", seg_path);
return NULL;
}
strcat(seg_path, "%v-%03d.ts");
av_dict_set(&options, "hls_segment_filename", seg_path, AV_DICT_DONT_STRDUP_VAL);
av_dict_set(&options, "hls_base_url", "segments/", 0);
av_dict_set(&options, "hls_list_size", "0", 0);
av_dict_set(&options, "streaming", "1", 0);
return options;
}
static void write_to_output(AVFormatContext *in_ctx,
AVFormatContext *out_ctx,
const int *stream_map,
float *playable_duration)
{
AVPacket pkt;
AVStream *istream;
AVStream *ostream;
unsigned index;
while (av_read_frame(in_ctx, &pkt) == 0) {
index = pkt.stream_index;
if (index >= in_ctx->nb_streams || stream_map[index] < 0) {
av_packet_unref(&pkt);
continue;
}
istream = in_ctx->streams[index];
ostream = out_ctx->streams[stream_map[index]];
pkt.stream_index = stream_map[index];
process_packet(&pkt, istream, ostream);
if (pkt.stream_index == 0)
*playable_duration += pkt.duration * (float)ostream->time_base.num / ostream->time_base.den;
if (av_interleaved_write_frame(out_ctx, &pkt) < 0)
av_log(NULL, AV_LOG_ERROR, "Error while writing a packet to the output file\n");
av_packet_unref(&pkt);
}
}
API int transmux(const char *path, const char *out_path, float *playable_duration)
{
AVFormatContext *in_ctx = NULL;
AVFormatContext *out_ctx = NULL;
AVDictionary *options = NULL;
int ret = -1;
int *stream_map;
*playable_duration = 0;
av_log_set_level(AV_LOG_LEVEL);
if (open_input_context(&in_ctx, path) != 0) {
av_log(NULL, AV_LOG_ERROR, "Could not open the input file for transmux\n");
return -1;
}
if (avformat_alloc_output_context2(&out_ctx, NULL, NULL, out_path) < 0) {
av_log(NULL, AV_LOG_ERROR, "Could not create an output file for transmux\n");
avformat_close_input(&in_ctx);
return -1;
}
stream_map = prepare_streammap(in_ctx, out_ctx);
options = create_options_context(out_path);
av_dump_format(in_ctx, 0, path, 0);
av_dump_format(out_ctx, 0, out_path, 1);
if (stream_map && open_output_file_for_write(out_ctx, out_path, &options) == 0) {
write_to_output(in_ctx, out_ctx, stream_map, playable_duration);
av_write_trailer(out_ctx);
if (out_ctx && !(out_ctx->oformat->flags & AVFMT_NOFILE))
avio_close(out_ctx->pb);
ret = 0;
}
if (options)
av_dict_free(&options);
avformat_close_input(&in_ctx);
avformat_free_context(out_ctx);
free(stream_map);
return ret;
}

5
back/src/Kyoo.Transcoder/tests/.gitignore vendored
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@ -1,5 +0,0 @@
segments/
out.m3u8
*.o
vgcore.*
out

72
back/src/Kyoo.Transcoder/tests/test_main.c
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@ -1,72 +0,0 @@
//
// Created by anonymus-raccoon on 12/28/19.
//
#include <string.h>
#include <stdio.h>
#include "transcoder.h"
#include "stream.h"
const char *type_tostring(type t)
{
switch (t) {
case video:
return "Video";
case audio:
return "Audio";
case subtitle:
return "Subtitle";
case attachment:
return "Attachment";
default:
return "???";
}
}
void av_dic_dump(AVDictionary *dic)
{
AVDictionaryEntry *entry = NULL;
if (!dic)
return;
while ((entry = av_dict_get(dic, "", entry, AV_DICT_IGNORE_SUFFIX)))
printf("%s: %s\n", entry->key, entry->value);
printf("Done\n");
fflush(stdout);
}
int main(int argc, char **argv)
{
unsigned stream_count = 0;
unsigned track_count = 0;
float playable_duration;
stream *streams;
// Useless reference only to have the function on the binary to call it with a debugger.
av_dic_dump(NULL);
if ((argc == 3 || argc == 4) && !strcmp(argv[1], "info")) {
streams = extract_infos(argv[2], argv[3] ? argv[3] : "./Extra", &stream_count, &track_count, true);
puts("Info extracted:");
for (unsigned i = 0; i < track_count; i++) {
printf("%10s: %6s - %3s (%5s), D%d, F%d at %s\n",
type_tostring(streams[i].type),
streams[i].title,
streams[i].language != NULL ? streams[i].language : "X",
streams[i].codec,
streams[i].is_default,
streams[i].is_forced,
streams[i].path);
}
free_streams(streams, stream_count);
return 0;
}
else if (argc == 4 && !strcmp(argv[1], "transmux"))
return -transmux(argv[2], argv[3], &playable_duration);
else
printf("Usage:\n\
%s info video_path - Test info prober\n\
%s transmux video_path m3u8_output_file - Test transmuxing\n", argv[0], argv[0]);
return 0;
}

107
back/tests/Kyoo.Tests/Transcoder/TranscoderTests.cs
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@ -1,107 +0,0 @@
// Kyoo - A portable and vast media library solution.
// Copyright (c) Kyoo.
//
// See AUTHORS.md and LICENSE file in the project root for full license information.
//
// Kyoo is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// Kyoo is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Kyoo.Abstractions.Controllers;
using Kyoo.Abstractions.Models;
using Kyoo.Core.Models.Options;
using Microsoft.Extensions.Options;
using Moq;
using Xunit;
using Xunit.Abstractions;
using KTranscoder = Kyoo.Core.Controllers.Transcoder;
namespace Kyoo.Tests.Transcoder
{
public class TranscoderTests
{
private readonly Mock<IFileSystem> _files;
private readonly ITranscoder _transcoder;
public TranscoderTests(ITestOutputHelper output)
{
_files = new Mock<IFileSystem>();
_transcoder = new KTranscoder(
_files.Object,
Options.Create(new BasicOptions()),
output.BuildLoggerFor<KTranscoder>()
);
}
[Fact]
public async Task ListFontsTest()
{
Episode episode = TestSample.Get<Episode>();
_files.Setup(x => x.ListFiles(It.IsAny<string>(), System.IO.SearchOption.TopDirectoryOnly))
.ReturnsAsync(new[] { "font.ttf", "font.TTF", "toto.ttf" });
ICollection<Font> fonts = await _transcoder.ListFonts(episode);
List<string> fontsFiles = fonts.Select(x => x.File).ToList();
Assert.Equal(3, fonts.Count);
Assert.Contains("font.TTF", fontsFiles);
Assert.Contains("font.ttf", fontsFiles);
Assert.Contains("toto.ttf", fontsFiles);
}
[Fact]
public async Task GetNoFontTest()
{
Episode episode = TestSample.Get<Episode>();
_files.Setup(x => x.GetExtraDirectory(It.IsAny<Episode>()))
.ReturnsAsync("/path");
_files.Setup(x => x.ListFiles(It.IsAny<string>(), System.IO.SearchOption.TopDirectoryOnly))
.ReturnsAsync(new[] { "font.ttf", "font.TTF", "toto.ttf" });
Font font = await _transcoder.GetFont(episode, "toto.ttf");
Assert.Null(font);
}
[Fact]
public async Task GetFontTest()
{
Episode episode = TestSample.Get<Episode>();
_files.Setup(x => x.GetExtraDirectory(It.IsAny<Episode>()))
.ReturnsAsync("/path");
_files.Setup(x => x.ListFiles(It.IsAny<string>(), System.IO.SearchOption.TopDirectoryOnly))
.ReturnsAsync(new[] { "/path/font.ttf", "/path/font.TTF", "/path/toto.ttf" });
Font font = await _transcoder.GetFont(episode, "toto");
Assert.NotNull(font);
Assert.Equal("toto.ttf", font.File);
Assert.Equal("toto", font.Slug);
Assert.Equal("ttf", font.Format);
Assert.Equal("/path/toto.ttf", font.Path);
}
[Fact]
public async Task GetFontNoExtensionTest()
{
Episode episode = TestSample.Get<Episode>();
_files.Setup(x => x.GetExtraDirectory(It.IsAny<Episode>()))
.ReturnsAsync("/path");
_files.Setup(x => x.ListFiles(It.IsAny<string>(), System.IO.SearchOption.TopDirectoryOnly))
.ReturnsAsync(new[] { "/path/font", "/path/toto.ttf" });
Font font = await _transcoder.GetFont(episode, "font");
Assert.NotNull(font);
Assert.Equal("font", font.File);
Assert.Equal("font", font.Slug);
Assert.Equal("", font.Format);
Assert.Equal("/path/font", font.Path);
}
}
}

1
docker-compose.dev.yml
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@ -17,7 +17,6 @@ services:
- ./back:/app
- /app/out/
- kyoo:/kyoo
- ${LIBRARY_ROOT}:/video
front:
build:

1
docker-compose.prod.yml
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@ -11,7 +11,6 @@ services:
condition: service_healthy
volumes:
- kyoo:/kyoo
- ${LIBRARY_ROOT}:/video
front:
image: zoriya/kyoo_front:edge

1
docker-compose.yml
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@ -11,7 +11,6 @@ services:
condition: service_healthy
volumes:
- kyoo:/kyoo
- ${LIBRARY_ROOT}:/video
front:
build: ./front