[input] Split file_http.c input into file.c and http.c

The common code is by now limited, and there is a lot of http-specific code.

src/Makefile.am

@@ -130,7 +130,7 @@ forked_daapd_SOURCES = main.c \
 	worker.c worker.h \
 	settings.c settings.h \
 	input.h input.c \
-	inputs/file_http.c inputs/pipe.c inputs/timer.c \
+	inputs/file.c inputs/http.c inputs/pipe.c inputs/timer.c \
 	outputs.h outputs.c \
 	outputs/rtp_common.h outputs/rtp_common.c \
 	outputs/raop.c $(RAOP_VERIFICATION_SRC) \

src/inputs/file.c

@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2017-2020 Espen Jurgensen
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+
+#include <event2/buffer.h>
+
+#include "transcode.h"
+#include "misc.h"
+#include "logger.h"
+#include "input.h"
+
+/*---------------------------- Input implementation --------------------------*/
+
+// Important! If you change any of the below then consider if the change also
+// should be made in http.c
+
+static int
+setup(struct input_source *source)
+{
+  struct transcode_ctx *ctx;
+
+  ctx = transcode_setup(XCODE_PCM_NATIVE, NULL, source->data_kind, source->path, source->len_ms, NULL);
+  if (!ctx)
+    return -1;
+
+  CHECK_NULL(L_PLAYER, source->evbuf = evbuffer_new());
+
+  source->quality.sample_rate = transcode_encode_query(ctx->encode_ctx, "sample_rate");
+  source->quality.bits_per_sample = transcode_encode_query(ctx->encode_ctx, "bits_per_sample");
+  source->quality.channels = transcode_encode_query(ctx->encode_ctx, "channels");
+
+  source->input_ctx = ctx;
+
+  return 0;
+}
+
+static int
+stop(struct input_source *source)
+{
+  struct transcode_ctx *ctx = source->input_ctx;
+
+  transcode_cleanup(&ctx);
+
+  if (source->evbuf)
+    evbuffer_free(source->evbuf);
+
+  source->input_ctx = NULL;
+  source->evbuf = NULL;
+
+  return 0;
+}
+
+static int
+play(struct input_source *source)
+{
+  struct transcode_ctx *ctx = source->input_ctx;
+  int ret;
+
+  // We set "wanted" to 1 because the read size doesn't matter to us
+  // TODO optimize?
+  ret = transcode(source->evbuf, NULL, ctx, 1);
+  if (ret == 0)
+    {
+      input_write(source->evbuf, &source->quality, INPUT_FLAG_EOF);
+      stop(source);
+      return -1;
+    }
+  else if (ret < 0)
+    {
+      input_write(NULL, NULL, INPUT_FLAG_ERROR);
+      stop(source);
+      return -1;
+    }
+
+  input_write(source->evbuf, &source->quality, 0);
+
+  return 0;
+}
+
+static int
+seek(struct input_source *source, int seek_ms)
+{
+  return transcode_seek(source->input_ctx, seek_ms);
+}
+
+struct input_definition input_file =
+{
+  .name = "file",
+  .type = INPUT_TYPE_FILE,
+  .disabled = 0,
+  .setup = setup,
+  .play = play,
+  .stop = stop,
+  .seek = seek,
+};

src/inputs/http.c

@@ -289,10 +289,20 @@ metadata_prepare(struct input_source *source)
 
 /*---------------------------- Input implementation --------------------------*/
 
+// Important! If you change any of the below then consider if the change also
+// should be made in file.c
+
 static int
 setup(struct input_source *source)
 {
   struct transcode_ctx *ctx;
+  char *url;
+
+  if (http_stream_setup(&url, source->path) < 0)
+    return -1;
+
+  free(source->path);
+  source->path = url;
 
   ctx = transcode_setup(XCODE_PCM_NATIVE, NULL, source->data_kind, source->path, source->len_ms, NULL);
   if (!ctx)
@@ -309,20 +319,6 @@ setup(struct input_source *source)
   return 0;
 }
 
-static int
-setup_http(struct input_source *source)
-{
-  char *url;
-
-  if (http_stream_setup(&url, source->path) < 0)
-    return -1;
-
-  free(source->path);
-  source->path = url;
-
-  return setup(source);
-}
-
 static int
 stop(struct input_source *source)
 {
@@ -372,12 +368,6 @@ play(struct input_source *source)
 
 static int
 seek(struct input_source *source, int seek_ms)
-{
-  return transcode_seek(source->input_ctx, seek_ms);
-}
-
-static int
-seek_http(struct input_source *source, int seek_ms)
 {
   // Stream is live/unknown length so can't seek. We return 0 anyway, because
   // it is valid for the input to request a seek, since the input is not
@@ -389,7 +379,7 @@ seek_http(struct input_source *source, int seek_ms)
 }
 
 static int
-metadata_get_http(struct input_metadata *metadata, struct input_source *source)
+metadata_get(struct input_metadata *metadata, struct input_source *source)
 {
   pthread_mutex_lock(&prepared_metadata.lock);
 
@@ -404,39 +394,28 @@ metadata_get_http(struct input_metadata *metadata, struct input_source *source)
 }
 
 static int
-init_http(void)
+init(void)
 {
   CHECK_ERR(L_PLAYER, mutex_init(&prepared_metadata.lock));
   return 0;
 }
 
 static void
-deinit_http(void)
+deinit(void)
 {
   CHECK_ERR(L_PLAYER, pthread_mutex_destroy(&prepared_metadata.lock));
 }
 
-struct input_definition input_file =
-{
-  .name = "file",
-  .type = INPUT_TYPE_FILE,
-  .disabled = 0,
-  .setup = setup,
-  .play = play,
-  .stop = stop,
-  .seek = seek,
-};
-
 struct input_definition input_http =
 {
   .name = "http",
   .type = INPUT_TYPE_HTTP,
   .disabled = 0,
-  .setup = setup_http,
+  .setup = setup,
   .play = play,
   .stop = stop,
-  .metadata_get = metadata_get_http,
-  .seek = seek_http,
-  .init = init_http,
-  .deinit = deinit_http,
+  .metadata_get = metadata_get,
+  .seek = seek,
+  .init = init,
+  .deinit = deinit,
 };