input/ffmpeg: use the new AVIOContext API

NEWS

 ver 0.16.7 (2011/??/??)
+* input:
+  - ffmpeg: support libavformat 0.7
 * output:
   - httpd: fix excessive buffering
   - openal: force 16 bit playback, as 8 bit doesn't work

src/input/ffmpeg_input_plugin.c

@@ -39,7 +39,11 @@
 struct input_ffmpeg {
 	struct input_stream base;
 
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+	AVIOContext *h;
+#else
 	URLContext *h;
+#endif
 
 	bool eof;
 };
@@ -50,6 +54,17 @@ ffmpeg_quark(void)
 	return g_quark_from_static_string("ffmpeg");
 }
 
+static inline bool
+input_ffmpeg_supported(void)
+{
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+	void *opaque = NULL;
+	return avio_enum_protocols(&opaque, 0) != NULL;
+#else
+	return av_protocol_next(NULL) != NULL;
+#endif
+}
+
 static bool
 input_ffmpeg_init(G_GNUC_UNUSED const struct config_param *param,
 		  G_GNUC_UNUSED GError **error_r)
@@ -58,7 +73,7 @@ input_ffmpeg_init(G_GNUC_UNUSED const struct config_param *param,
 
 #if LIBAVFORMAT_VERSION_MAJOR >= 52
 	/* disable this plugin if there's no registered protocol */
-	if (av_protocol_next(NULL) == NULL) {
+	if (!input_ffmpeg_supported()) {
 		g_set_error(error_r, ffmpeg_quark(), 0,
 			    "No protocol");
 		return false;
@@ -84,7 +99,11 @@ input_ffmpeg_open(const char *uri, GError **error_r)
 	i = g_new(struct input_ffmpeg, 1);
 	input_stream_init(&i->base, &input_plugin_ffmpeg, uri);
 
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+	int ret = avio_open(&i->h, uri, AVIO_FLAG_READ);
+#else
 	int ret = url_open(&i->h, uri, URL_RDONLY);
+#endif
 	if (ret != 0) {
 		g_free(i);
 		g_set_error(error_r, ffmpeg_quark(), ret,
@@ -95,8 +114,13 @@ input_ffmpeg_open(const char *uri, GError **error_r)
 	i->eof = false;
 
 	i->base.ready = true;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+	i->base.seekable = (i->h->seekable & AVIO_SEEKABLE_NORMAL) != 0;
+	i->base.size = avio_size(i->h);
+#else
 	i->base.seekable = !i->h->is_streamed;
 	i->base.size = url_filesize(i->h);
+#endif
 
 	/* hack to make MPD select the "ffmpeg" decoder plugin - since
 	   avio.h doesn't tell us the MIME type of the resource, we
@@ -113,7 +137,11 @@ input_ffmpeg_read(struct input_stream *is, void *ptr, size_t size,
 {
 	struct input_ffmpeg *i = (struct input_ffmpeg *)is;
 
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+	int ret = avio_read(i->h, ptr, size);
+#else
 	int ret = url_read(i->h, ptr, size);
+#endif
 	if (ret <= 0) {
 		if (ret < 0)
 			g_set_error(error_r, ffmpeg_quark(), 0,
@@ -132,7 +160,11 @@ input_ffmpeg_close(struct input_stream *is)
 {
 	struct input_ffmpeg *i = (struct input_ffmpeg *)is;
 
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+	avio_close(i->h);
+#else
 	url_close(i->h);
+#endif
 	input_stream_deinit(&i->base);
 	g_free(i);
 }
@@ -150,7 +182,11 @@ input_ffmpeg_seek(struct input_stream *is, goffset offset, int whence,
 		  G_GNUC_UNUSED GError **error_r)
 {
 	struct input_ffmpeg *i = (struct input_ffmpeg *)is;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+	int64_t ret = avio_seek(i->h, offset, whence);
+#else
 	int64_t ret = url_seek(i->h, offset, whence);
+#endif
 
 	if (ret >= 0) {
 		i->eof = false;