From a15cb041654ae307add0b998b526c87c3f42bf5f Mon Sep 17 00:00:00 2001
From: David Moc <personal@cdatgoose.org>
Date: Tue, 2 Jun 2026 13:50:21 +0200
Subject: Add plugin hooks and mode plugins

---
 src/media.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 73 insertions(+), 1 deletion(-)

(limited to 'src/media.c')

diff --git a/src/media.c b/src/media.c
index 6c7a989..4e14a96 100644
--- a/src/media.c
+++ b/src/media.c
@@ -10,11 +10,70 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <signal.h>
+#include <sys/wait.h>
 #include <unistd.h>
 
 extern FILE *popen(const char *command, const char *type);
 extern int pclose(FILE *stream);
 extern int mkstemp(char *template);
+extern int kill(pid_t pid, int sig);
+
+static int media_audio_enabled(void) {
+    const char *enabled = getenv("ECEX_MEDIA_AUDIO");
+    return !enabled || !enabled[0] || enabled[0] != '0';
+}
+
+static void media_audio_stop(buffer_t *buffer) {
+    if (!buffer || buffer->media_audio_pid <= 0) return;
+
+    pid_t pid = (pid_t)buffer->media_audio_pid;
+    kill(pid, SIGTERM);
+
+    if (waitpid(pid, NULL, WNOHANG) != pid) {
+        kill(pid, SIGKILL);
+        waitpid(pid, NULL, 0);
+    }
+    buffer->media_audio_pid = 0;
+}
+
+static void media_audio_reap(buffer_t *buffer) {
+    if (!buffer || buffer->media_audio_pid <= 0) return;
+    if (waitpid((pid_t)buffer->media_audio_pid, NULL, WNOHANG) > 0) {
+        buffer->media_audio_pid = 0;
+    }
+}
+
+static int media_audio_start(buffer_t *buffer) {
+    if (!buffer || !buffer->media_path || !media_audio_enabled()) return ECEX_ERR;
+    if (buffer->media_audio_pid > 0) return ECEX_OK;
+
+    const char *player = getenv("ECEX_FFPLAY");
+    if (!player || !player[0]) player = "ffplay";
+
+    pid_t pid = fork();
+    if (pid < 0) return ECEX_ERR;
+
+    if (pid == 0) {
+        execlp(player,
+               player,
+               "-nodisp",
+               "-autoexit",
+               "-loglevel",
+               "quiet",
+               buffer->media_path,
+               (char *)NULL);
+        _exit(127);
+    }
+
+    buffer->media_audio_pid = (int)pid;
+    return ECEX_OK;
+}
+
+static void media_audio_set_paused(buffer_t *buffer, int paused) {
+    if (!buffer || buffer->media_audio_pid <= 0) return;
+    kill((pid_t)buffer->media_audio_pid, paused ? SIGSTOP : SIGCONT);
+}
 
 static char *shell_quote(const char *path) {
     if (!path) return NULL;
@@ -220,6 +279,7 @@ static void buffer_set_media_text(buffer_t *buffer, const char *path, int video,
 
 void ecex_media_buffer_clear(buffer_t *buffer) {
     if (!buffer) return;
+    media_audio_stop(buffer);
     if (buffer->media_pipe) {
         pclose((FILE *)buffer->media_pipe);
         buffer->media_pipe = NULL;
@@ -236,6 +296,7 @@ void ecex_media_buffer_clear(buffer_t *buffer) {
     buffer->media_texture_height = 0;
     buffer->media_last_frame_time = 0.0;
     buffer->media_playing = 0;
+    buffer->media_audio_pid = 0;
     buffer->media_status[0] = '\0';
 }
 
@@ -307,7 +368,11 @@ int ecex_media_load_into_buffer(ecex_t *ed, const char *path, buffer_t *buffer)
     if (video) {
         buffer->media_pipe = pipe;
         buffer->media_playing = 1;
-        snprintf(buffer->media_status, sizeof(buffer->media_status), "Playing at decoded 60fps stream");
+        if (media_audio_start(buffer) == ECEX_OK) {
+            snprintf(buffer->media_status, sizeof(buffer->media_status), "Playing decoded 60fps stream with ffplay audio");
+        } else {
+            snprintf(buffer->media_status, sizeof(buffer->media_status), "Playing decoded 60fps stream; audio unavailable");
+        }
     } else {
         pclose(pipe);
         snprintf(buffer->media_status, sizeof(buffer->media_status), "Image decoded via ffmpeg");
@@ -345,6 +410,11 @@ int ecex_media_toggle_playback(ecex_t *ed) {
     buffer_t *buffer = ecex_current_buffer(ed);
     if (!buffer || buffer->media_kind != ECEX_MEDIA_VIDEO) return ECEX_ERR;
     buffer->media_playing = !buffer->media_playing;
+    if (buffer->media_playing && buffer->media_audio_pid <= 0) {
+        media_audio_start(buffer);
+    } else {
+        media_audio_set_paused(buffer, !buffer->media_playing);
+    }
     snprintf(buffer->media_status,
              sizeof(buffer->media_status),
              "%s",
@@ -358,6 +428,7 @@ int ecex_media_tick(ecex_t *ed, double now_seconds) {
     for (size_t i = 0; i < ed->buffer_count; i++) {
         buffer_t *buffer = ed->buffers[i];
         if (!buffer || buffer->media_kind != ECEX_MEDIA_VIDEO || !buffer->media_pipe || !buffer->media_playing) continue;
+        media_audio_reap(buffer);
         if (buffer->media_last_frame_time > 0.0 && now_seconds - buffer->media_last_frame_time < (1.0 / 60.0)) continue;
 
         int w = 0, h = 0;
@@ -370,6 +441,7 @@ int ecex_media_tick(ecex_t *ed, double now_seconds) {
             pclose((FILE *)buffer->media_pipe);
             buffer->media_pipe = NULL;
             buffer->media_playing = 0;
+            media_audio_stop(buffer);
             snprintf(buffer->media_status, sizeof(buffer->media_status), "Playback finished");
             dirty = 1;
         }
-- 
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