@ -13,7 +13,7 @@ common_params=(
"h|help|Посмотреть помощь.|||ShowHelp; exit;"
"v|version|Посмотреть версию программы.|||echo \$version; exit;"
"V|verbose|Подробный вывод.|||verbose=true"
# "|||||"
"k |keep_files |Не удалять временные файлы. Может принимать значения 'yes', 'no'. По умолчанию '!DEFAULT!'. |: |'no' |"
)
sound_params=(
@ -30,13 +30,15 @@ sound_params=(
video_params=(
"o|output|Выходной видео файл.|:|''|"
"k|split|Деление страницы пополам. Может быть либо 'yes', либо 'no'. По умолчанию '!DEFAULT!'.|:|'yes'|"
#"t|split|Деление страницы. Может быть либо 'half' (деление пополам), либо 'time' (плавное перемещение), либо 'no' (целиком). По умолчанию '!DEFAULT!'.|:|'half'|"
"t|split|Деление страницы. Может быть либо 'half' (деление пополам), либо 'no' (целиком). По умолчанию '!DEFAULT!'.|:|'half'|"
"W|video_width|Размер видео в пикселях по ширине. По умолчанию '!DEFAULT!'.|:|1920|"
"H|video_height|Размер видео в пикселях по высоте. По умолчанию '!DEFAULT!'.|:|1080|"
"p|ffmpeg_pre_options|Опции ffmpeg в самом начале. По умолчанию '!DEFAULT!'.|:|'-loop 1 -r 2'|"
"P|ffmpeg_options|Опции ffmpeg. По умолчанию '!DEFAULT!'.|:|'-c:v libx264 -tune stillimage -preset ultrafast -crf 20 -shortest -pix_fmt yuv420p'|"
"r|page_range|Указывает страницы из выходного файла для обработки. Пример '{1..32}', '{2..10..2}', '\$(seq 5 3 30)'|:|''|"
"m|minimum_text_on_page|Минимальное количество символов на странице при котором происходит разделение страницы на две. По умолчанию '!DEFAULT!'.|:|1000|"
"M|minimum_time_on_page|Минимальное количество секунд на страницу. По умолчанию '!DEFAULT!'.|:|5|"
# "|||:||"
)
@ -103,30 +105,36 @@ function Text2mp3 {
local text_file=$1
local mp3_file=$2
verb=""
[ $verbose ] && verb="-V"
[ $verbose ] && verb="-V "
[ $verbose ] && echo "Найден исполняемый файл для преобразования в звук текста $(GetExec txt2mp3)"
eval "$(GetExec "txt2mp3") -i '${text_file}' -o '${mp3_file}' -e '${emotion}' -s '${speaker}' -S '${speed}' -f '${format}' -q '${quality}' -l '${lang}' '${verb}'"
cmd="$(GetExec "txt2mp3") -i '${text_file}' -o '${mp3_file}' -e '${emotion}' -s '${speaker}' -S '${speed}' -f '${format}' -q '${quality}' -l '${lang}' ${verb}"
[ $verbose ] && echo "Команда для преобразования в звук текста '$cmd'"
eval "$cmd"
}
function MakeVideo {
local page_image_file=$1
local page_mp3_file=$2
local page_mp4_file=$3
local split=$4
local resized_page_image_file="${page_image_file}_resized.png"
local resized_page_image_file=$(mktemp -t "MakeVideo_resized_page_image_XXXXXXXXXXX.png"
)
ffmpeg -y -i "${page_image_file}" -vf "scale=${video_width}:${video_height}:force_original_aspect_ratio=decrease,pad=${video_width}:${video_height}:(ow-iw)/2:(oh-ih)/2" "${resized_page_image_file}"
video_filter=""
[ $verbose ] && echo "ffmpeg $?"
local time_play=$(mp3info -p "%S\n" "${page_mp3_file}")
local time_opt="-c:a copy"
if [ ${minimum_time_on_page} -ge ${time_play} ]; then
local add_time=5 # $(( 5 - ${time_play} ))
if [ ${minimum_time_on_page} -ge $(( $ {time_play} )) ]; then
local add_time="$minimum_time_on_page" # $(( 5 - ${time_play} ))
time_opt="-c:a mp3 -af adelay=${add_time}s:all=true" #
[ $verbose ] && echo "time_opt ${time_opt}"
fi
ffmpeg ${ffmpeg_pre_options} -i "${resized_page_image_file}" -i "${page_mp3_file}" ${ffmpeg_options} ${time_opt} "${page_mp4_file}"
ffmpeg -y ${ffmpeg_pre_options} -i "${resized_page_image_file}" -i "${page_mp3_file}" ${ffmpeg_options} ${time_opt} ${video_filter} "${page_mp4_file}"
[ $verbose ] && echo "ffmpeg $?"
SAVE_IFS=$IFS
IFS=""
@ -136,6 +144,28 @@ function MakeVideo {
rm "${resized_page_image_file}"
}
function SplitText {
local out_array_name=$1[@]
local source_text=$2
local split_size=$3
out_array=("${!out_array_name}")
local space_char=" "
local cur_text=""
for ((i=1;i<=${#source_text};i++)); do
local cur_char=${source_text:$i-1:1}
cur_text="${cur_text}${cur_char}"
if [ "$cur_char" = "$space_char" ] && [ ${#cur_text} -ge $split_size ] || [ $i = ${#source_text} ]; then
SAVE_IFS=$IFS
IFS=""
split_source_text_array+=(${cur_text})
IFS=$SAVE_IFS
cur_text=""
fi
done
}
[ $verbose ] && echo "Всего страниц $page_count"
for ((page=1;page<=${page_count};page++)); do
@ -159,76 +189,65 @@ for ((page=1;page<=${page_count};page++)); do
[ $verbose ] && echo "------------------------------------------------"
[ $verbose ] && echo "Обрабатываем страницу №$page"
page_text_file="${input_file}_${page}.txt"
page_image_file="${input_file}_${page}"
page_text_file=$(mktemp -t "pdf2video_page_text_file_${page}_XXXXXXXXXXX.mp3"
)
page_image_file=$(mktemp -t "pdf2video_page_image_file_${page}_XXXXXXXXXXX.png"
)
pdftotext -f $page -l $page "${input_file}" "$page_text_file"
pdftoppm -r 300 -f $page -l $page -png -singlefile "${input_file}" "$page_image_file"
page_image_file="${page_image_file}.png"
convert -density 300 "${input_file}[$(( $page - 1))]" -quality 90 "$page_image_file"
source_text="$(cat "${page_text_file}")"
if [ "$split" = "yes " ] && [ ${#source_text} -ge $minimum_text_on_page ]; then
if [ "$split" = "half " ] && [ ${#source_text} -ge $minimum_text_on_page ]; then
space_char=" "
split_size=$(( ${#source_text} / 2 + 2)) # Половина с небольшим запасом
file_index=0
for ((i=1;i<=${#source_text};i++)); do
cur_char=${source_text:$i-1:1}
cur_text="${cur_text}${cur_char}"
if [ "$cur_char" = "$space_char" ] && [ ${#cur_text} -ge $split_size ] || [ $i = ${#source_text} ]; then
let file_index+=1
split_source_text_array=()
echo "$cur_text" > "${page_text_file}_half${file_index}"
cur_text=""
fi
done
SplitText split_source_text_array "$source_text" $split_size
file_txt_half1="${page_text_file}_half1"
file_txt_half2="${page_text_file}_half2"
page_mp3_file_half1="${file_txt_half1}.mp3"
page_mp3_file_half2="${file_txt_half2}.mp3"
page_mp3_file_half1=$(mktemp -t "pdf2video_page_mp3_file_half1_XXXXXXXXXXX.mp3"
)
page_mp3_file_half2=$(mktemp -t "pdf2video_page_mp3_file_half2_XXXXXXXXXXX.mp3"
)
Text2mp3 "$file_txt_half1" "$page_mp3_file_half1"
Text2mp3 "$file_txt_half2" "$page_mp3_file_half2"
Text2mp3 <( echo "${split_source_text_array[0]}" ) "$page_mp3_file_half1"
Text2mp3 <( echo "${split_source_text_array[1]}" ) "$page_mp3_file_half2"
width=$(identify -format "%w" "$page_image_file")> /dev/null
height=$(identify -format "%h" "$page_image_file")> /dev/null
height_half=$(( $height / 2 + $height / 20 ))
page_image_file_half1="${page_image_file}_half1.png"
page_image_file_half2="${page_image_file}_half2.png"
page_image_file_half1=$(mktemp -t "pdf2video_page_image_file_half1_XXXXXXXXXXX.png"
)
page_image_file_half2=$(mktemp -t "pdf2video_page_image_file_half2_XXXXXXXXXXX.png"
)
# format (widthxheight+left+top / wxh+l+t)
convert "$page_image_file" -crop ${width}x${height_half}+0+0 "$page_image_file_half1"
convert "$page_image_file" -crop ${width}x${height_half}+0+$(( $height - $height_half )) "$page_image_file_half2"
# convert format (widthxheight+left+top / wxh+l+t)
convert "$page_image_file" -crop ${width}x${height_half}+0+0 "${ page_image_file_half1} "
convert "$page_image_file" -crop " ${width}x${height_half}+0+$(( $height - $height_half ))" "${ page_image_file_half2} "
page_mp4_file_half1="${input_file}_${page}_half1.mp4"
page_mp4_file_half2="${input_file}_${page}_half2.mp4"
MakeVideo "$page_image_file_half1" "$page_mp3_file_half1" "$page_mp4_file_half1"
MakeVideo "${ page_image_file_half1} " "$page_mp3_file_half1" "$page_mp4_file_half1" "$split "
MakeVideo "$page_image_file_half2" "$page_mp3_file_half2" "$page_mp4_file_half2"
MakeVideo "${ page_image_file_half2} " "$page_mp3_file_half2" "$page_mp4_file_half2" "$split "
rm "$page_image_file_half1"
rm "$page_image_file_half2"
rm "$file_txt_half1"
rm "$file_txt_half2"
rm "$page_mp3_file_half1"
rm "$page_mp3_file_half2"
else
page_mp3_file="${page_text_file}.mp3"
page_mp3_file=$(mktemp -t "pdf2video_page_mp3_file_XXXXXXXXXXX.mp3")
Text2mp3 "$page_text_file" "$page_mp3_file"
page_mp4_file="${input_file}_${page}.mp4"
MakeVideo "$page_image_file" "$page_mp3_file" "$page_mp4_file"
MakeVideo "$page_image_file" "$page_mp3_file" "$page_mp4_file" "$split"
rm "$page_mp3_file"
@ -242,12 +261,15 @@ done
SAVE_IFS=$IFS
IFS=""
[ $verbose ] && echo "Объединяем файлы ${video_file_names_array[*]} в $out_file"
ffmpeg -f concat -safe 0 -i <(for ((i = 0; i < ${#video_file_names_array[@]}; i++)) do echo "file '$PWD/${video_file_names_array[$i]}'"; done) -acodec copy -vcodec copy "$out_file"
ffmpeg -y -f concat -safe 0 -i <(for ((i = 0; i < ${#video_file_names_array[@]}; i++)) do echo "file '$PWD/${video_file_names_array[$i]}'"; done) -acodec copy -vcodec copy "$out_file"
[ $verbose ] && echo "ffmpeg $?"
for ((i = 0; i < ${#video_file_names_array[@]}; i++)) do
f="${video_file_names_array[$i]}"
[ $verbose ] && echo "Удаляем файл '$f'"
rm "$f"
[ "$keep_files" = "no" ] && {
rm "$f"
[ $verbose ] && echo "Удаляем файл '$f'"
}
done
IFS=$SAVE_IFS
