@ -6,17 +6,50 @@ speaker='ermil' # (Optional): Speaker voice. Default is zahar. Supported female
#["oksana","jane","omazh","zahar","ermil","silaerkan","erkanyavas","alyss", "nick","alena","filipp"]
speed='1.0'
use_half="yes" # yes or no
ffmpeg_pre_options="-loop 1 -r 2" # "-loop 1"
ffmpeg_options="-c:v libx264 -tune stillimage -preset ultrafast -crf 20 -c:a copy -shortest -pix_fmt yuv420p -s 1920*1080"
video_width=1920
video_height=1080
ffmpeg_pre_options="-loop 1 -r 2"
ffmpeg_options="-c:v libx264 -tune stillimage -preset ultrafast -crf 20 -shortest -pix_fmt yuv420p -s ${video_width}*${video_height}"
minimum_text_on_page=1000
minimum_time_on_page=5
#----------------------------------------------------
input_pdf_file_name="$1"
out_file="$input_pdf_file_name.mp4"
page_count=$(pdfinfo "$input_pdf_file_name" | awk '/^Pages:/ {print $2}')
video_file_names_array=()
function make_video {
local page_image_file=$1
local page_mp3_file=$2
local page_mp4_file=$3
local resized_page_image_file="${page_image_file}_resized.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}"
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 - ${time_play} ))
time_opt="-c:a mp3 -af adelay=${add_time}s:all=true" #
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}"
SAVE_IFS=$IFS
IFS=""
video_file_names_array+=(${page_mp4_file})
IFS=$SAVE_IFS
rm "${resized_page_image_file}"
}
echo "Всего страниц $page_count"
for ((page=1;page<=${page_count};page++)); do
@ -26,14 +59,14 @@ for ((page=1;page<=${page_count};page++)); do
page_text_file="${input_pdf_file_name}_${page}.txt"
page_image_file="${input_pdf_file_name}_${page}"
pdftotext -f $page -l $page "$input_pdf_file_name" "$page_text_file"
pdftoppm -f $page -l $page -png -singlefile "$input_pdf_file_name" "$page_image_file"
pdftotext -f $page -l $page "${ input_pdf_file_name} " "$page_text_file"
pdftoppm -r 300 - f $page -l $page -png -singlefile "${ input_pdf_file_name} " "$page_image_file"
page_image_file="${page_image_file}.png"
if [ "$use_half"="yes" ]; then
source_text=$(cat "${page_text_file}")
source_text=$(cat "${page_text_file}")
if [ "$use_half"="yes" ] && [ ${#source_text} -ge $minimum_text_on_page ]; then
space_char=" "
split_size=$(( ${#source_text} / 2 + 2)) # Половина с небольшим запасом
@ -62,32 +95,21 @@ for ((page=1;page<=${page_count};page++)); do
width=$(identify -format "%w" "$page_image_file")> /dev/null
height=$(identify -format "%h" "$page_image_file")> /dev/null
height_half=$(($height/2))
height_half=$(( $height / 2 + $height / 10 ))
page_image_file_half1="${page_image_file}_half1.png"
page_image_file_half2="${page_image_file}_half2.png"
# format (widthxheight+left+top / wxh+l+t)
convert "$page_image_file" -crop ${width}x${height_half}+0+0 "$page_image_file_half1"
convert "$page_image_file" -crop ${width}x${height_half}+0+$height_half "$page_image_file_half2"
convert "$page_image_file" -crop ${width}x${height_half}+0+$(( $height - $ height_half )) "$page_image_file_half2"
page_mp4_file_half1="${input_pdf_file_name}_${page}_half1.mp4"
ffmpeg $ffmpeg_pre_options -i "$page_image_file_half1" -i "$page_mp3_file_half1" $ffmpeg_options "$page_mp4_file_half1"
SAVE_IFS=$IFS
IFS=""
video_file_names_array+=($page_mp4_file_half1)
IFS=$SAVE_IFS
page_mp4_file_half2="${input_pdf_file_name}_${page}_half2.mp4"
ffmpeg $ffmpeg_pre_options -i "$page_image_file_half2" -i "$page_mp3_file_half2" $ffmpeg_options "$page_mp4_file_half2 "
make_video "$page_image_file_half1" "$page_mp3_file_half1" "$page_mp4_file_half1"
SAVE_IFS=$IFS
IFS=""
video_file_names_array+=($page_mp4_file_half2)
IFS=$SAVE_IFS
make_video "$page_image_file_half2" "$page_mp3_file_half2" "$page_mp4_file_half2"
rm "$page_image_file_half1"
rm "$page_image_file_half2"
@ -98,20 +120,14 @@ for ((page=1;page<=${page_count};page++)); do
rm "$page_mp3_file_half2"
else
~/txt2mp3_by_yatts "$page_text_file"
page_mp3_file="${page_text_file}_yatts.mp3"
page_mp4_file="${input_pdf_file_name}_${page}.mp4"
ffmpeg $ffmpeg_pre_options -i "$page_image_file" -i "$page_mp3_file" $ffmpeg_options "$page_mp4_file"
SAVE_IFS=$IFS
IFS=""
video_file_names_array+=($page_mp4_file)
IFS=$SAVE_IFS
make_video "$page_image_file" "$page_mp3_file" "$page_mp4_file"
rm "$page_mp3_file"
fi
@ -122,23 +138,17 @@ for ((page=1;page<=${page_count};page++)); do
done
cmd=""
for ((i = 0; i < ${#video_file_names_array[@]}; i++)) do
cmd="$cmd|${video_file_names_array[$i]}"
done
cmd=${cmd:1}
out_file="${input_pdf_file_name}.mp4"
echo "Объединяем файлы $cmd в $out_file"
ffmpeg -i "concat:$cmd" -acodec copy -vcodec copy "$out_file"
SAVE_IFS=$IFS
IFS=""
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"
for ((i = 0; i < ${#video_file_names_array[@]}; i++)) do
f="${video_file_names_array[$i]}"
echo "Удаляем файл '$f'"
rm "$f"
done
IFS=$SAVE_IFS
echo "Конечный файл создан '$out_file'!"
