owntone-server/src/inputs/file_http.c

156 lines
3.3 KiB
C

/*
* Copyright (C) 2017 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 "http.h"
#include "misc.h"
#include "input.h"
static int
setup(struct player_source *ps)
{
ps->input_ctx = transcode_setup(ps->data_kind, ps->path, ps->len_ms, XCODE_PCM16_NOHEADER, NULL);
if (!ps->input_ctx)
return -1;
ps->setup_done = 1;
return 0;
}
static int
setup_http(struct player_source *ps)
{
char *url;
if (http_stream_setup(&url, ps->path) < 0)
return -1;
free(ps->path);
ps->path = url;
return setup(ps);
}
static int
start(struct player_source *ps)
{
struct evbuffer *evbuf;
short flags;
int ret;
int icy_timer;
evbuf = evbuffer_new();
ret = -1;
flags = 0;
while (!input_loop_break && !(flags & INPUT_FLAG_EOF))
{
// We set "wanted" to 1 because the read size doesn't matter to us
// TODO optimize?
ret = transcode(evbuf, 1, ps->input_ctx, &icy_timer);
if (ret < 0)
break;
flags = ((ret == 0) ? INPUT_FLAG_EOF : 0) |
(icy_timer ? INPUT_FLAG_METADATA : 0);
ret = input_write(evbuf, flags);
if (ret < 0)
break;
}
evbuffer_free(evbuf);
return ret;
}
static int
stop(struct player_source *ps)
{
transcode_cleanup(ps->input_ctx);
ps->input_ctx = NULL;
ps->setup_done = 0;
return 0;
}
static int
seek(struct player_source *ps, int seek_ms)
{
return transcode_seek(ps->input_ctx, seek_ms);
}
static int
metadata_get_http(struct input_metadata *metadata, struct player_source *ps, uint64_t rtptime)
{
struct http_icy_metadata *m;
int changed;
m = transcode_metadata(ps->input_ctx, &changed);
if (!m)
return -1;
if (!changed)
{
http_icy_metadata_free(m, 0);
return -1; // TODO Perhaps a problem since this prohibits the player updating metadata
}
if (m->artist)
swap_pointers(&metadata->artist, &m->artist);
// Note we map title to album, because clients should show stream name as titel
if (m->title)
swap_pointers(&metadata->album, &m->title);
if (m->artwork_url)
swap_pointers(&metadata->artwork_url, &m->artwork_url);
http_icy_metadata_free(m, 0);
return 0;
}
struct input_definition input_file =
{
.name = "file",
.type = INPUT_TYPE_FILE,
.disabled = 0,
.setup = setup,
.start = start,
.stop = stop,
.seek = seek,
};
struct input_definition input_http =
{
.name = "http",
.type = INPUT_TYPE_HTTP,
.disabled = 0,
.setup = setup_http,
.start = start,
.stop = stop,
.metadata_get = metadata_get_http,
};