libeplayer3: add callback to abort avformat_open_input

libeplayer3/container/container_ffmpeg.c

@@ -1508,6 +1508,13 @@ static void ffmpeg_buf_free()
 /* **************************** */
 /* Container part for ffmpeg    */
 /* **************************** */
+#ifdef MARTII
+static int interrupt_cb(void *ctx)
+{
+	PlaybackHandler_t *p = (PlaybackHandler_t *)ctx;
+	return p->abortRequested;
+}
+#endif
 
 int container_ffmpeg_init(Context_t *context, char * filename)
 {
@@ -1543,6 +1550,12 @@ int container_ffmpeg_init(Context_t *context, char * filename)
 #ifdef MARTII //TDT
     avformat_network_init();
 #endif
+#ifdef MARTII
+    context->playback->abortRequested = 0;
+    avContext = avformat_alloc_context();
+    avContext->interrupt_callback.callback = interrupt_cb;
+    avContext->interrupt_callback.opaque = context->playback;
+#endif
 
 #if LIBAVCODEC_VERSION_MAJOR < 54
     if ((err = av_open_input_file(&avContext, filename, NULL, 0, NULL)) != 0) {
@@ -2139,6 +2152,7 @@ static int container_ffmpeg_stop(Context_t *context) {
     getMutex(FILENAME, __FUNCTION__,__LINE__);
 
 #ifdef MARTII
+    if (avContext)
 	avformat_close_input(&avContext);
 #else
     if (avContext != NULL) {

libeplayer3/include/playback.h

@@ -35,6 +35,7 @@ typedef struct PlaybackHandler_s {
     unsigned char isDvbSubtitle;
     unsigned char isTeletext;
     unsigned char mayWriteToFramebuffer;
+    unsigned char abortRequested;
 #endif
 
     int (* Command) (/*Context_t*/void  *, PlaybackCmd_t, void *);

libeplayer3/playback/playback.c

@@ -1172,6 +1172,7 @@ PlaybackHandler_t PlaybackHandler = {
     0,
     0,
     1,
+    0,
 #endif
     &Command,
     "",

libspark/playback_libeplayer3.cpp

@@ -655,6 +655,11 @@ void cPlayback::SuspendSubtitle(bool b)
 	else
 		player->playback->Command(player, PLAYBACK_FRAMEBUFFER_UNLOCK, 0);
 }
+
+void cPlayback::RequestAbort() {
+	if (player->playback)
+		player->playback->abortRequested = 1;
+}
 #endif
 #if 0
 bool cPlayback::IsPlaying(void) const

libspark/playback_libeplayer3.h

@@ -53,6 +53,7 @@ class cPlayback
 #ifdef MARTII
 		void FindAllSubtitlePids(uint16_t *pids, uint16_t *numpids, std::string *language);
 		void FindAllDvbsubtitlePids(uint16_t *pids, uint16_t *numpids, std::string *language);
+		void RequestAbort(void);
 #endif
 #if 0
 		// Functions that are not used by movieplayer.cpp: