diff options
Diffstat (limited to 'src/input')
| -rw-r--r-- | src/input/ffmpeg_input_plugin.c | 168 | ||||
| -rw-r--r-- | src/input/ffmpeg_input_plugin.h | 28 |
2 files changed, 196 insertions, 0 deletions
diff --git a/src/input/ffmpeg_input_plugin.c b/src/input/ffmpeg_input_plugin.c new file mode 100644 index 000000000..0a6be29bc --- /dev/null +++ b/src/input/ffmpeg_input_plugin.c @@ -0,0 +1,168 @@ +/* + * Copyright (C) 2003-2010 The Music Player Daemon Project + * http://www.musicpd.org + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "input/ffmpeg_input_plugin.h" +#include "input_plugin.h" + +#ifdef OLD_FFMPEG_INCLUDES +#include <avio.h> +#include <avformat.h> +#else +#include <libavformat/avio.h> +#include <libavformat/avformat.h> +#endif + +#undef G_LOG_DOMAIN +#define G_LOG_DOMAIN "input_ffmpeg" + +struct input_ffmpeg { + struct input_stream base; + + URLContext *h; + + bool eof; +}; + +static inline GQuark +ffmpeg_quark(void) +{ + return g_quark_from_static_string("ffmpeg"); +} + +static bool +input_ffmpeg_init(G_GNUC_UNUSED const struct config_param *param, + G_GNUC_UNUSED GError **error_r) +{ + av_register_all(); + +#if LIBAVFORMAT_VERSION_MAJOR >= 52 + /* disable this plugin if there's no registered protocol */ + if (av_protocol_next(NULL) == NULL) { + g_set_error(error_r, ffmpeg_quark(), 0, + "No protocol"); + return false; + } +#endif + + return true; +} + +static struct input_stream * +input_ffmpeg_open(const char *uri, GError **error_r) +{ + struct input_ffmpeg *i; + + if (!g_str_has_prefix(uri, "gopher://") && + !g_str_has_prefix(uri, "rtp://") && + !g_str_has_prefix(uri, "rtsp://") && + !g_str_has_prefix(uri, "rtmp://") && + !g_str_has_prefix(uri, "rtmpt://") && + !g_str_has_prefix(uri, "rtmps://")) + return NULL; + + i = g_new(struct input_ffmpeg, 1); + input_stream_init(&i->base, &input_plugin_ffmpeg, uri); + + int ret = url_open(&i->h, uri, URL_RDONLY); + if (ret != 0) { + g_free(i); + g_set_error(error_r, ffmpeg_quark(), ret, + "libavformat failed to open the URI"); + return NULL; + } + + i->eof = false; + + i->base.ready = true; + i->base.seekable = !i->h->is_streamed; + i->base.size = url_filesize(i->h); + + /* hack to make MPD select the "ffmpeg" decoder plugin - since + avio.h doesn't tell us the MIME type of the resource, we + can't select a decoder plugin, but the "ffmpeg" plugin is + quite good at auto-detection */ + i->base.mime = g_strdup("audio/x-mpd-ffmpeg"); + + return &i->base; +} + +static size_t +input_ffmpeg_read(struct input_stream *is, void *ptr, size_t size, + GError **error_r) +{ + struct input_ffmpeg *i = (struct input_ffmpeg *)is; + + int ret = url_read(i->h, ptr, size); + if (ret <= 0) { + if (ret < 0) + g_set_error(error_r, ffmpeg_quark(), 0, + "url_read() failed"); + + i->eof = true; + return false; + } + + is->offset += ret; + return (size_t)ret; +} + +static void +input_ffmpeg_close(struct input_stream *is) +{ + struct input_ffmpeg *i = (struct input_ffmpeg *)is; + + url_close(i->h); + input_stream_deinit(&i->base); + g_free(i); +} + +static bool +input_ffmpeg_eof(struct input_stream *is) +{ + struct input_ffmpeg *i = (struct input_ffmpeg *)is; + + return i->eof; +} + +static bool +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; + int64_t ret = url_seek(i->h, offset, whence); + + if (ret >= 0) { + i->eof = false; + return true; + } else { + g_set_error(error_r, ffmpeg_quark(), 0, "url_seek() failed"); + return false; + } +} + +const struct input_plugin input_plugin_ffmpeg = { + .name = "ffmpeg", + .init = input_ffmpeg_init, + .open = input_ffmpeg_open, + .close = input_ffmpeg_close, + .read = input_ffmpeg_read, + .eof = input_ffmpeg_eof, + .seek = input_ffmpeg_seek, +}; diff --git a/src/input/ffmpeg_input_plugin.h b/src/input/ffmpeg_input_plugin.h new file mode 100644 index 000000000..ff87064be --- /dev/null +++ b/src/input/ffmpeg_input_plugin.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2003-2010 The Music Player Daemon Project + * http://www.musicpd.org + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_FFMPEG_INPUT_PLUGIN_H +#define MPD_FFMPEG_INPUT_PLUGIN_H + +/** + * An input plugin based on libavformat's "avio" library. + */ +extern const struct input_plugin input_plugin_ffmpeg; + +#endif |