ffmpeg: new decoder plugin
[mk: fixed indent, changed copyright statement, added autoconf test, fixed includes paths, fixed 2 gcc warnings, don't close input stream twice]
This commit is contained in:
Viliam Mateicka
Max Kellermann
parent
4ee8da2e69
commit
11ad997141
21
configure.ac
21
configure.ac
@ -234,6 +234,12 @@ AC_ARG_ENABLE(wavpack,
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enable_wavpack=$enableval,
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enable_wavpack=yes)
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AC_ARG_ENABLE(ffmpeg,
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AS_HELP_STRING([--disable-ffmpeg],
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[enable FFMPEG support (default: enable)]),
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enable_ffmpeg=$enableval,
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enable_ffmpeg=yes)
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AC_ARG_ENABLE(id3,
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AS_HELP_STRING([--disable-id3],
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[disable id3 support (default: enable)]),
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@ -672,6 +678,14 @@ fi
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AM_CONDITIONAL(HAVE_MIKMOD, test x$enable_mod = xyes)
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if test x$enable_ffmpeg = xyes; then
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PKG_CHECK_MODULES(FFMPEG, [libavcodec libavformat],
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AC_DEFINE(HAVE_FFMPEG, 1, [Define for FFMPEG support]),
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enable_ffmpeg=no)
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fi
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AM_CONDITIONAL(HAVE_FFMPEG, test x$enable_ffmpeg = xyes)
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case $with_zeroconf in
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no|avahi|bonjour)
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;;
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@ -955,6 +969,12 @@ else
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echo " MOD support ...................disabled"
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fi
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if test x$enable_ffmpeg = xyes; then
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echo " FFMPEG support ................enabled"
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else
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echo " FFMPEG support ................disabled"
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fi
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if
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test x$enable_mp3 = xno &&
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test x$enable_oggvorbis = xno &&
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@ -964,6 +984,7 @@ if
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test x$enable_aac = xno &&
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test x$enable_mpc = xno &&
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test x$enable_wavpack = xno &&
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test x$enable_ffmpeg = xno &&
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test x$enable_mod = xno; then
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AC_MSG_ERROR([No input plugins supported!])
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fi
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@ -225,6 +225,10 @@ if HAVE_MIKMOD
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mpd_SOURCES += inputPlugins/mod_plugin.c
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endif
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if HAVE_FFMPEG
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mpd_SOURCES += inputPlugins/ffmpeg_plugin.c
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endif
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if HAVE_ZEROCONF
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mpd_SOURCES += zeroconf.c
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@ -240,6 +244,7 @@ mpd_CPPFLAGS = \
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$(AUDIOFILE_CFLAGS) $(LIBMIKMOD_CFLAGS) \
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$(ID3TAG_CFLAGS) \
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$(MAD_CFLAGS) \
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$(FFMPEG_CFLAGS) \
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$(GLIB_CFLAGS)
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mpd_LDADD = $(MPD_LIBS) $(MP4FF_LIB) \
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$(AO_LIBS) $(ALSA_LIBS) \
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@ -248,6 +253,7 @@ mpd_LDADD = $(MPD_LIBS) $(MP4FF_LIB) \
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$(AUDIOFILE_LIBS) $(LIBMIKMOD_LIBS) \
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$(ID3TAG_LIBS) \
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$(MAD_LIBS) \
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$(FFMPEG_LIBS) \
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$(GLIB_LIBS)
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DIST_SUBDIRS = mp4ff
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@ -30,6 +30,7 @@ extern struct decoder_plugin aacPlugin;
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extern struct decoder_plugin mpcPlugin;
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extern struct decoder_plugin wavpackPlugin;
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extern struct decoder_plugin modPlugin;
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extern struct decoder_plugin ffmpegPlugin;
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static List *inputPlugin_list;
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@ -179,6 +180,9 @@ void decoder_plugin_init_all(void)
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#ifdef HAVE_MIKMOD
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decoder_plugin_load(&modPlugin);
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#endif
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#ifdef HAVE_FFMPEG
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decoder_plugin_load(&ffmpegPlugin);
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#endif
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}
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void decoder_plugin_deinit_all(void)
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416
src/inputPlugins/ffmpeg_plugin.c
Normal file
416
src/inputPlugins/ffmpeg_plugin.c
Normal file
@ -0,0 +1,416 @@
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/* the Music Player Daemon (MPD)
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* Copyright (C) 2008 Viliam Mateicka <viliam.mateicka@gmail.com>
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "../decoder_api.h"
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#include "../log.h"
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#include "../utils.h"
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#include "../log.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <avcodec.h>
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#include <avformat.h>
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#include <avio.h>
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typedef struct {
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int audioStream;
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AVFormatContext *pFormatCtx;
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AVCodecContext *aCodecCtx;
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AVCodec *aCodec;
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struct decoder *decoder;
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InputStream *input;
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struct tag *tag;
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} BasePtrs;
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typedef struct {
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struct decoder *decoder;
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InputStream *input;
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} FopsHelper;
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int mpdurl_open(URLContext *h, const char *filename, int flags);
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int mpdurl_read(URLContext *h, unsigned char *buf, int size);
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int64_t mpdurl_seek(URLContext *h, int64_t pos, int whence);
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int mpdurl_close(URLContext *h);
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URLProtocol mpdurl_fileops = {
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.name = "mpd",
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.url_open = mpdurl_open,
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.url_read = mpdurl_read,
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.url_write = NULL,
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.url_seek = mpdurl_seek,
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.url_close = mpdurl_close,
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.next = NULL,
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.url_read_pause = NULL,
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.url_read_seek = NULL
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};
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int mpdurl_open(URLContext *h, const char *filename, int flags)
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{
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uint32_t ptr;
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FopsHelper *base;
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if (strlen(filename) == (8+8)) {
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errno = 0;
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ptr = (uint32_t) strtoll(filename + 6, NULL, 16);
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if (errno == 0 && ptr != 0) {
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base = (FopsHelper *) ptr;
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h->priv_data = base;
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h->is_streamed = (base->input->seekable ? 0 : 1);
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return 0;
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}
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}
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FATAL("Invalid format %s:%d\n", filename, flags);
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return -1;
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}
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int mpdurl_read(URLContext *h, unsigned char *buf, int size)
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{
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int ret;
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FopsHelper *base = (FopsHelper *) h->priv_data;
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while (1) {
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ret = readFromInputStream(base->input, (void *)buf, size);
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if (ret == 0) {
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DEBUG("ret 0\n");
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if (inputStreamAtEOF(base->input) ||
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(base->decoder &&
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decoder_get_command(base->decoder) != DECODE_COMMAND_NONE)) {
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DEBUG("eof stream\n");
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return ret;
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} else {
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my_usleep(10000);
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}
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} else {
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break;
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}
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}
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return ret;
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}
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int64_t mpdurl_seek(URLContext *h, int64_t pos, int whence)
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{
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FopsHelper *base = (FopsHelper *) h->priv_data;
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if (whence != AVSEEK_SIZE) { //only ftell
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(void) seekInputStream(base->input, pos, whence);
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}
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return base->input->offset;
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}
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int mpdurl_close(URLContext *h)
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{
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FopsHelper *base = (FopsHelper *) h->priv_data;
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if (base && base->input->seekable) {
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(void) seekInputStream(base->input, 0, SEEK_SET);
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}
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h->priv_data = 0;
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return 0;
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}
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static int ffmpeg_init(void)
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{
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av_register_all();
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register_protocol(&mpdurl_fileops);
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return 0;
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}
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static int ffmpeg_helper(InputStream *input, int (*callback)(BasePtrs *ptrs),
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BasePtrs *ptrs)
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{
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AVFormatContext *pFormatCtx;
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AVCodecContext *aCodecCtx;
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AVCodec *aCodec;
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int ret, audioStream;
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unsigned i;
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FopsHelper fopshelp;
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char url[24];
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fopshelp.input = input;
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if (ptrs && ptrs->decoder) {
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fopshelp.decoder = ptrs->decoder; //are we in decoding loop ?
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} else {
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fopshelp.decoder = NULL;
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}
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//ffmpeg works with ours "fileops" helper
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sprintf(url, "mpd://0x%8x", (unsigned int) &fopshelp);
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if (av_open_input_file(&pFormatCtx, url, NULL, 0, NULL)!=0) {
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ERROR("Open failed!\n");
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return -1;
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}
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if (av_find_stream_info(pFormatCtx)<0) {
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ERROR("Couldn't find stream info!\n");
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return -1;
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}
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audioStream = -1;
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for(i=0; i<pFormatCtx->nb_streams; i++) {
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if (pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_AUDIO &&
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audioStream < 0) {
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audioStream=i;
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}
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}
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if(audioStream==-1) {
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ERROR("No audio stream inside!\n");
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return -1;
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}
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aCodecCtx = pFormatCtx->streams[audioStream]->codec;
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aCodec = avcodec_find_decoder(aCodecCtx->codec_id);
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if (!aCodec) {
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ERROR("Unsupported audio codec!\n");
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return -1;
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}
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if (avcodec_open(aCodecCtx, aCodec)<0) {
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ERROR("Could not open codec!\n");
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return -1;
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}
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if (callback) {
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ptrs->audioStream = audioStream;
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ptrs->pFormatCtx = pFormatCtx;
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ptrs->aCodecCtx = aCodecCtx;
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ptrs->aCodec = aCodec;
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ret = (*callback)( ptrs );
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} else {
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ret = 0;
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DEBUG("playable\n");
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}
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avcodec_close(aCodecCtx);
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av_close_input_file(pFormatCtx);
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return ret;
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}
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static bool ffmpeg_try_decode(InputStream *input)
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{
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int ret;
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if (input->seekable) {
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ret = ffmpeg_helper(input, NULL, NULL);
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} else {
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ret = 0;
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}
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return (ret == -1 ? 0 : 1);
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}
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static int ffmpeg_decode_internal(BasePtrs *base)
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{
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struct decoder *decoder = base->decoder;
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AVCodecContext *aCodecCtx = base->aCodecCtx;
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AVFormatContext *pFormatCtx = base->pFormatCtx;
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AVPacket packet;
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int len, audio_size;
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int position;
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struct audio_format audio_format;
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int current, total_time;
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uint8_t audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
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total_time = 0;
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DEBUG("decoder_start\n");
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if (aCodecCtx->channels > 2) {
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aCodecCtx->channels = 2;
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}
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audio_format.bits = (uint8_t)16;
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audio_format.sample_rate = (unsigned int)aCodecCtx->sample_rate;
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audio_format.channels = aCodecCtx->channels;
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// frame_count = afGetFrameCount(af_fp, AF_DEFAULT_TRACK);
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// total_time = ((float)frame_count / (float)audio_format.sample_rate);
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//there is some problem with this on some demux (mp3 at least)
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if (pFormatCtx->duration != (int)AV_NOPTS_VALUE) {
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total_time = pFormatCtx->duration / AV_TIME_BASE;
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}
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DEBUG("ffmpeg sample rate: %dHz %d channels\n",
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aCodecCtx->sample_rate, aCodecCtx->channels);
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decoder_initialized(decoder, &audio_format, total_time);
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position = 0;
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DEBUG("duration:%d (%d secs)\n", (int) pFormatCtx->duration,
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(int) total_time);
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do {
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if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK) {
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DEBUG("seek\n");
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decoder_clear(decoder);
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current = decoder_seek_where(decoder) * AV_TIME_BASE;
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if (av_seek_frame(pFormatCtx, -1, current , 0) < 0) {
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WARNING("seek to %d failed\n", current);
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}
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decoder_command_finished(decoder);
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}
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if (av_read_frame(pFormatCtx, &packet) >= 0) {
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if(packet.stream_index == base->audioStream) {
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position = av_rescale_q(packet.pts, pFormatCtx->streams[base->audioStream]->time_base,
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(AVRational){1, 1});
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audio_size = sizeof(audio_buf);
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len = avcodec_decode_audio2(aCodecCtx,
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(int16_t *)audio_buf,
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&audio_size,
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packet.data,
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packet.size);
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if(len >= 0) {
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if(audio_size >= 0) {
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// DEBUG("sending data %d/%d\n", audio_size, len);
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decoder_data(decoder, NULL, 1,
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audio_buf, audio_size,
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position, //(float)current / (float)audio_format.sample_rate,
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aCodecCtx->bit_rate / 1000, NULL);
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}
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} else {
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WARNING("skiping frame!\n");
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}
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}
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av_free_packet(&packet);
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} else {
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//end of file
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break;
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}
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} while (decoder_get_command(decoder) != DECODE_COMMAND_STOP);
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decoder_flush(decoder);
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DEBUG("decoder finish\n");
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return 0;
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}
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static int ffmpeg_decode(struct decoder *decoder, InputStream *input)
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{
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BasePtrs base;
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int ret;
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DEBUG("decode start\n");
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base.input = input;
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base.decoder = decoder;
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ret = ffmpeg_helper(input, ffmpeg_decode_internal, &base);
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DEBUG("decode finish\n");
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return ret;
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}
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static int ffmpeg_tag_internal(BasePtrs *base)
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{
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struct tag *tag = (struct tag *) base->tag;
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if (base->pFormatCtx->duration != (int)AV_NOPTS_VALUE) {
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tag->time = base->pFormatCtx->duration / AV_TIME_BASE;
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} else {
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tag->time = 0;
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}
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return 0;
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}
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//no tag reading in ffmpeg, check if playable
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static struct tag *ffmpeg_tag(char *file)
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{
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InputStream input;
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BasePtrs base;
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int ret;
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struct tag *tag = NULL;
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if (openInputStream(&input, file) < 0) {
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ERROR("failed to open %s\n", file);
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return NULL;
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}
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tag = tag_new();
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base.tag = tag;
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ret = ffmpeg_helper(&input, ffmpeg_tag_internal, &base);
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if (ret != 0) {
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free(tag);
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tag = NULL;
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}
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closeInputStream(&input);
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return tag;
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}
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/**
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* ffmpeg can decode almost everything from open codecs
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* and also some of propietary codecs
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* its hard to tell what can ffmpeg decode
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* we can later put this into configure script
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* to be sure ffmpeg is used to handle
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* only that files
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*/
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static const char *ffmpeg_Suffixes[] = {
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"wma", "asf", "wmv", "mpeg", "mpg", "avi", "vob", "mov", "qt", "swf", "rm", "swf",
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"mp1", "mp2", "mp3", "mp4", "m4a", "flac", "ogg", "wav", "au", "aiff", "aif", "ac3", "aac", "mpc",
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NULL
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};
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//not sure if this is correct...
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static const char *ffmpeg_Mimetypes[] = {
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"video/x-ms-asf",
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"audio/x-ms-wma",
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"audio/x-ms-wax",
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"video/x-ms-wmv",
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||||
"video/x-ms-wvx",
|
||||
"video/x-ms-wm",
|
||||
"video/x-ms-wmx",
|
||||
"application/x-ms-wmz",
|
||||
"application/x-ms-wmd",
|
||||
"audio/mpeg",
|
||||
NULL
|
||||
};
|
||||
|
||||
struct decoder_plugin ffmpegPlugin = {
|
||||
.name = "ffmpeg",
|
||||
.init = ffmpeg_init,
|
||||
.try_decode = ffmpeg_try_decode,
|
||||
.stream_decode = ffmpeg_decode,
|
||||
.tag_dup = ffmpeg_tag,
|
||||
.stream_types = INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
|
||||
.suffixes = ffmpeg_Suffixes,
|
||||
.mime_types = ffmpeg_Mimetypes
|
||||
};
|
||||
Loading…
Reference in New Issue
Block a user