Página de fotogramas supuestamente funcional, bug de carpeta arreglado

355c6fe7 · Diego Pérez Peña · 08ff2f1b · 355c6fe7 · 355c6fe7 · 355c6fe7
Commit 355c6fe7 authored May 22, 2025 by Diego Pérez Peña
Showing with 167 additions and 14 deletions
lib/modelo/archivo.dart
lib/modelo/carpeta.dart
lib/modelo/convertible.dart
lib/paginas/pagina_ajustes.dart
lib/paginas/pagina_configuracion.dart
lib/paginas/pagina_fotograma.dart
pubspec.lock
--- a/lib/modelo/archivo.dart
+++ b/lib/modelo/archivo.dart
@@ -7,6 +7,7 @@ import 'formato.dart';
 class Archivo extends Convertible {
  final File file;
  late final Future<List<Metadato>> metadatos;
+  int? fotograma;
  Archivo({required super.id, required this.file}):
        super(

--- a/lib/modelo/carpeta.dart
+++ b/lib/modelo/carpeta.dart
 import 'dart:io';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:uuid/uuid.dart';
 import 'convertible.dart';
@@ -104,4 +105,13 @@ class InfoFormato extends Convertible {
          icon: const Icon(Icons.find_in_page_outlined),
          formatoOriginal: formato
      );
+  bool operator ==(Object other) =>
+      other is InfoFormato &&
+      other.runtimeType == runtimeType &&
+      other.formatoOriginal == formatoOriginal;
+  @override
+  int get hashCode => Object.hash(formatoOriginal, formatoDestino, calidadSalida, _carpeta, seleccionado, subCarpeta);
 }
\ No newline at end of file
--- a/lib/modelo/convertible.dart
+++ b/lib/modelo/convertible.dart
@@ -12,7 +12,6 @@ class Convertible extends ElementoSeleccionable{
    required Formato formatoOriginal}):
        _formatoOriginal = formatoOriginal;
-  @override
  void convertir(){
    // TODO: <implement>
  }

--- a/lib/paginas/pagina_ajustes.dart
+++ b/lib/paginas/pagina_ajustes.dart
@@ -28,7 +28,15 @@ class _PaginaAjustesState extends State<PaginaAjustes> {
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
-        title: const Text("Ajustes"),
+        leading: BackButton(
+          color: Colors.white,
+        ),
+        title: Text(
+          "Ajustes",
+          style: Theme.of(context).textTheme.titleLarge?.copyWith(
+              color: Colors.white
+          ),
+        ),
        backgroundColor: Theme.of(context).primaryColor,
      ),
      body: ListView(

--- a/lib/paginas/pagina_configuracion.dart
+++ b/lib/paginas/pagina_configuracion.dart
@@ -82,7 +82,11 @@ class _PaginaConfiguracionState extends State<PaginaConfiguracion> {
    if (widget._elementoAsociado is Archivo) {
      var archivo = widget._elementoAsociado as Archivo;
      if (esFormatoVideo) {
-        _paginas.add(PaginaFotograma());
+        _paginas.add(PaginaFotograma(
+          lista: widget._lista,
+          archivo: archivo,
+          indice: widget._indice,
+        ));
      }
      _paginas.add(
        FutureBuilder(
@@ -110,7 +114,7 @@ class _PaginaConfiguracionState extends State<PaginaConfiguracion> {
    final items = <BottomNavigationBarItem>[
      const BottomNavigationBarItem(
          icon: Icon(Icons.sync),
-          label: 'Formato de Conversión'
+          label: 'Formato'
      ),
    ];

--- a/lib/paginas/pagina_fotograma.dart
+++ b/lib/paginas/pagina_fotograma.dart
 import 'dart:async';
+import 'dart:io';
+import 'package:ffmpeg_kit_flutter_new/ffmpeg_kit.dart';
+import 'package:ffmpeg_kit_flutter_new/ffmpeg_session.dart';
+import 'package:ffmpeg_kit_flutter_new/ffprobe_kit.dart';
+import 'package:ffmpeg_kit_flutter_new/ffprobe_session.dart';
 import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
+import '../modelo/modelo.dart';
 class PaginaFotograma extends StatefulWidget {
-  const PaginaFotograma({super.key});
+  final ListaSeleccionables _lista;
+  final Archivo _archivo;
+  final int _indice;
+  const PaginaFotograma({
+    super.key,
+    required ListaSeleccionables lista,
+    required Archivo archivo,
+    required int indice,
+  }): _lista = lista, _archivo = archivo, _indice = indice;
  @override
  State<PaginaFotograma> createState() => _PaginaFotogramaState();
@@ -10,12 +27,66 @@ class PaginaFotograma extends StatefulWidget {
 class _PaginaFotogramaState extends State<PaginaFotograma> {
  int _fotogramaSeleccionado = 0;
-  final int _ultimoFotograma = 1200;
+  int _ultimoFotograma = 0;
  final _buttons = _IconButtons.values;
  Timer? timer;
  @override
+  void initState() {
+    loadNumberFotogramas();
+    super.initState();
+  }
+  @override
+  void dispose() {
+    super.dispose();
+  }
+  @override
  Widget build(BuildContext context) {
+    if(widget._archivo.formatoDestino == null){
+      return Center(
+        child: Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: Text(
+            'Para seleccionar un fotograma debe elegir un formato de imagen',
+            textAlign: TextAlign.center,
+            style: Theme.of(context).textTheme.titleLarge,
+          ),
+        ),
+      );
+    }
+    if(widget._archivo.formatoDestino!.tipoMultimedia != TipoMultimedia.imagen){
+      return Center(
+        child: Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: Text(
+            'El formato seleccionado no es un formato de imagen',
+            textAlign: TextAlign.center,
+            style: Theme.of(context).textTheme.titleLarge,
+          ),
+        ),
+      );
+    }
+    if(_ultimoFotograma == 0){
+      return Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            CircularProgressIndicator(),
+            Text(
+              'Cargando...',
+              textAlign: TextAlign.center,
+              style: Theme.of(context).textTheme.titleLarge,
+            )
+          ],
+        ),
+      );
+    }
    return Padding(
      padding: const EdgeInsets.all(16.0),
      child: Column(
@@ -24,7 +95,21 @@ class _PaginaFotogramaState extends State<PaginaFotograma> {
        children: [
          SizedBox(
            height: (MediaQuery.of(context).size.width - 16.0*2)*9.0/16.0,
-            child: Placeholder(),
+            child: FutureBuilder(
+              future: loadFotograma(_fotogramaSeleccionado),
+              builder: (context, asyncSnapshot) {
+                if(asyncSnapshot.connectionState == ConnectionState.done){
+                  return Image.file(asyncSnapshot.data!);
+                }
+                else{
+                  return Transform.scale(
+                    scaleX: 2,
+                    scaleY: 2/5,
+                    child: CircularProgressIndicator()
+                  );
+                }
+              }
+            ),
          ),
          const SizedBox(height: 48.0),
          Slider(
@@ -45,7 +130,7 @@ class _PaginaFotogramaState extends State<PaginaFotograma> {
                    style: Theme.of(context).textTheme.titleLarge,
                  ),
                  TextSpan(
-                    text: _fotogramaSeleccionado.toString(),
+                    text: (_fotogramaSeleccionado+1).toString(),
                    style: Theme.of(context).textTheme.titleLarge?.copyWith(
                        fontWeight: FontWeight.bold
                    ),
@@ -55,8 +140,8 @@ class _PaginaFotogramaState extends State<PaginaFotograma> {
          ),
          const SizedBox(height: 24.0),
          _construirBotonesFotograma(context)
-        ],
+        ]
-      ),
+      )
    );
  }
@@ -107,6 +192,43 @@ class _PaginaFotogramaState extends State<PaginaFotograma> {
      children: buttons,
    );
  }
+  Future<void> loadNumberFotogramas() async {
+    FFprobeSession session = await FFprobeKit.executeAsync(
+      'ffprobe -v error -select_streams v:0 -count_packets \\ -show_entries stream=nb_read_packets -of csv=p=0 ${widget._archivo.file.absolute.path}'
+    );
+    String? output = await session.getAllLogsAsString();
+    print(output);
+    if(output != null){
+      int? res = int.tryParse(output);
+      if(res != null && res > 0){
+        setState(() {
+          _ultimoFotograma = res;
+        });
+      }
+    }
+    setState(() {
+      _ultimoFotograma = 1200;
+    });
+  }
+  Future<File> loadFotograma(int fotograma) async {
+    final directory = await getApplicationSupportDirectory();
+    FFmpegSession session = await FFmpegKit.executeAsync(
+      'ffmpeg -i ${widget._archivo.file.absolute.path} -vf "select=eq(n\,$fotograma)" -vframes 1 ${directory.absolute.path}${Platform.pathSeparator}fotograma.png'
+    );
+    return File('${directory.absolute.path}${Platform.pathSeparator}fotograma.png');
+  }
+  Future<void> removeFotograma() async {
+    final directory = await getApplicationSupportDirectory();
+    final fotograma = File('${directory.absolute.path}${Platform.pathSeparator}fotograma.png');
+    if(await fotograma.exists()){
+      await fotograma.delete();
+    }
+  }
 }
 enum _IconButtons{

--- a/pubspec.lock
+++ b/pubspec.lock
@@ -81,14 +81,22 @@ packages:
      url: "https://pub.dev"
    source: hosted
    version: "2.1.3"
-  ffmpeg_kit_flutter:
+  ffmpeg_kit_flutter_android:
+    dependency: transitive
+    description:
+      name: ffmpeg_kit_flutter_android
+      sha256: "1bcd2e18169862d9782f019e3e83f92a41a12692deb25e0e767ecd44518c0f7e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  ffmpeg_kit_flutter_new:
    dependency: "direct main"
    description:
-      name: ffmpeg_kit_flutter
+      name: ffmpeg_kit_flutter_new
-      sha256: "843aae41823ca94a0988d975b4b6cdc6948744b9b7e2707d81a3a9cd237b0100"
+      sha256: dbaf0f4963b08a034a4f787276c1e12efc36a56670693f1721e46f95554f0979
      url: "https://pub.dev"
    source: hosted
-    version: "6.0.3"
+    version: "1.6.1"
  ffmpeg_kit_flutter_platform_interface:
    dependency: transitive
    description: