コード例 #1
0
ファイル: error.c プロジェクト: Dahlqvist/sfeMovie
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
{
    int ret = 0, i;
    const struct error_entry *entry = NULL;

    for (i = 0; i < FF_ARRAY_ELEMS(error_entries); i++) {
        if (errnum == error_entries[i].num) {
            entry = &error_entries[i];
            break;
        }
    }
    if (entry) {
        av_strlcpy(errbuf, entry->str, errbuf_size);
    } else {
#if HAVE_STRERROR_R
        ret = AVERROR(strerror_r(AVUNERROR(errnum), errbuf, errbuf_size));
#else
        ret = -1;
#endif
        if (ret < 0)
            snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
    }

    return ret;
}
コード例 #2
0
AVPacket * read_raw_video_frame (AVFormatContext * pifc, int vi) {
    int ok = 0;

    AVPacket * pkt = av_malloc(sizeof(AVPacket));
    av_init_packet(pkt);
    pkt->data = NULL;
    pkt->size = 0;

    while (1) {
        // read a raw packet
        ok = av_read_frame(pifc, pkt);
        if (ok != 0) {
            ok = AVUNERROR(ok);
            goto failed;
        }

        // the raw packet may belong to other streams after seeking
        if (pkt->stream_index == vi) {
            break;
        }
        av_packet_unref(pkt);
    }

    return pkt;

failed:
    delete_raw_video_frame(&pkt);
    return NULL;
}
コード例 #3
0
ファイル: mmst.c プロジェクト: AirStash/AirStashPlayer
/** Send a prepared MMST command packet. */
static int send_command_packet(MMSTContext *mmst)
{
    MMSContext *mms  = &mmst->mms;
    int len= mms->write_out_ptr - mms->out_buffer;
    int exact_length = FFALIGN(len, 8);
    int first_length= exact_length - 16;
    int len8= first_length/8;
    int write_result;

    // update packet length fields.
    AV_WL32(mms->out_buffer + 8, first_length);
    AV_WL32(mms->out_buffer + 16, len8);
    AV_WL32(mms->out_buffer + 32, len8-2);
    memset(mms->write_out_ptr, 0, exact_length - len);

    // write it out.
    write_result= ffurl_write(mms->mms_hd, mms->out_buffer, exact_length);
    if(write_result != exact_length) {
        av_log(NULL, AV_LOG_ERROR,
               "Failed to write data of length %d: %d (%s)\n",
               exact_length, write_result,
               write_result < 0 ? strerror(AVUNERROR(write_result)) :
                   "The server closed the connection");
        return AVERROR(EIO);
    }

    return 0;
}
コード例 #4
0
ファイル: error.c プロジェクト: Amalerd/SoxPlayer
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
{
    int ret = 0;
    const char *errstr = NULL;

    switch (errnum) {
    case AVERROR_BSF_NOT_FOUND:     errstr = "Bitstream filter not found"                   ; break;
    case AVERROR_DECODER_NOT_FOUND: errstr = "Decoder not found"                            ; break;
    case AVERROR_DEMUXER_NOT_FOUND: errstr = "Demuxer not found"                            ; break;
    case AVERROR_ENCODER_NOT_FOUND: errstr = "Encoder not found"                            ; break;
    case AVERROR_EOF:               errstr = "End of file"                                  ; break;
    case AVERROR_EXIT:              errstr = "Immediate exit requested"                     ; break;
    case AVERROR_FILTER_NOT_FOUND:  errstr = "Filter not found"                             ; break;
    case AVERROR_INVALIDDATA:       errstr = "Invalid data found when processing input"     ; break;
    case AVERROR_MUXER_NOT_FOUND:   errstr = "Muxer not found"                              ; break;
    case AVERROR_OPTION_NOT_FOUND:  errstr = "Option not found"                             ; break;
    case AVERROR_PATCHWELCOME:      errstr = "Not yet implemented in FFmpeg, patches welcome"; break;
    case AVERROR_PROTOCOL_NOT_FOUND:errstr = "Protocol not found"                           ; break;
    case AVERROR_STREAM_NOT_FOUND:  errstr = "Stream not found"                             ; break;
    }

    if (errstr) {
        av_strlcpy(errbuf, errstr, errbuf_size);
    } else {
#if HAVE_STRERROR_R
        ret = strerror_r(AVUNERROR(errnum), errbuf, errbuf_size);
#else
        ret = -1;
#endif
        if (ret < 0)
            snprintf(errbuf, errbuf_size, "Error number %d occurred", errnum);
    }

    return ret;
}
コード例 #5
0
ファイル: avio.c プロジェクト: mstorsjo/vlc
/*****************************************************************************
 * Write:
 *****************************************************************************/
static ssize_t Write(sout_access_out_t *p_access, block_t *p_buffer)
{
    sout_access_out_sys_t *p_sys = (sout_access_out_sys_t*)p_access->p_sys;
    size_t i_write = 0;
    int val;

    while (p_buffer != NULL) {
        block_t *p_next = p_buffer->p_next;

        avio_write(p_sys->context, p_buffer->p_buffer, p_buffer->i_buffer);
        avio_flush(p_sys->context);
        if ((val = p_sys->context->error) != 0) {
            p_sys->context->error = 0; /* FIXME? */
            goto error;
        }
        i_write += p_buffer->i_buffer;

        block_Release(p_buffer);

        p_buffer = p_next;
    }

    return i_write;

error:
    msg_Err(p_access, "Wrote only %zu bytes: %s", i_write,
            vlc_strerror_c(AVUNERROR(val)));
    block_ChainRelease( p_buffer );
    return i_write;
}
コード例 #6
0
ファイル: stream.c プロジェクト: EQ4/musicd
static int mux_next(stream_t *stream)
{
  int result;
  AVPacket packet;

  do {
    result = get_next(stream);
    if (result <= 0) {
      return result;
    }
  } while (stream->dst_size == 0);

  av_init_packet(&packet);
  packet.data = stream->dst_data;
  packet.size = stream->dst_size;
  /*packet.pts = stream->pts;*/ /* FIXME: proper PTS/DTS handling */
  packet.stream_index = 0;

  result = av_interleaved_write_frame(stream->dst_ctx, &packet);
  if (result < 0) {
    musicd_log(LOG_ERROR, "stream",
               "av_interleaved_write_frame failed: %s",
               strerror(AVUNERROR(result)));
    return -1;
  }

  return 1;
}
コード例 #7
0
ファイル: avio.c プロジェクト: Distrotech/vlc
int OutOpenAvio(vlc_object_t *object)
{
    sout_access_out_t *access = (sout_access_out_t*)object;

    config_ChainParse( access, "sout-avio-", ppsz_sout_options, access->p_cfg );

    sout_access_out_sys_t *sys = malloc(sizeof(*sys));
    if (!sys)
        return VLC_ENOMEM;
    sys->context = NULL;

    /* */
    vlc_init_avformat(object);

    if (!access->psz_path)
        goto error;

    int ret;
#if LIBAVFORMAT_VERSION_MAJOR < 54
    ret = avio_open(&sys->context, access->psz_path, AVIO_FLAG_WRITE);
#else
    AVDictionary *options = NULL;
    char *psz_opts = var_InheritString(access, "sout-avio-options");
    if (psz_opts && *psz_opts) {
        options = vlc_av_get_options(psz_opts);
        free(psz_opts);
    }
    ret = avio_open2(&sys->context, access->psz_path, AVIO_FLAG_WRITE,
                     NULL, &options);
    AVDictionaryEntry *t = NULL;
    while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX)))
        msg_Err( access, "unknown option \"%s\"", t->key );
    av_dict_free(&options);
#endif
    if (ret < 0) {
        errno = AVUNERROR(ret);
        msg_Err(access, "Failed to open %s", access->psz_path);
        goto error;
    }

#if LIBAVFORMAT_VERSION_MAJOR < 54
    /* We can accept only one active user at any time */
    if (SetupAvioCb(VLC_OBJECT(access))) {
        msg_Err(access, "Module aready in use");
        goto error;
    }
#endif

    access->pf_write = Write;
    access->pf_control = OutControl;
    access->pf_seek = OutSeek;
    access->p_sys = sys;

    return VLC_SUCCESS;

error:
    free(sys);
    return VLC_EGENERIC;
}
コード例 #8
0
ファイル: video.c プロジェクト: andygrundman/libmediascan
static void print_averror(int err) {
  char errbuf[128];
  const char *errbuf_ptr = errbuf;

  if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
    errbuf_ptr = strerror(AVUNERROR(err));
  fprintf(stderr, "%s\n", errbuf_ptr);
}
コード例 #9
0
ファイル: cmdutils.c プロジェクト: Tjoppen/FFmpeg
void print_error(const char *filename, int err)
{
    char errbuf[128];
    const char *errbuf_ptr = errbuf;

    if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
        errbuf_ptr = strerror(AVUNERROR(err));
    av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr);
}
コード例 #10
0
ファイル: cmdutils.c プロジェクト: csd/ffmpeg
void print_error(const char *filename, int err)
{
    char errbuf[128];
    const char *errbuf_ptr = errbuf;

    if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
        errbuf_ptr = strerror(AVUNERROR(err));
    fprintf(stderr, "%s: %s\n", filename, errbuf_ptr);
}
コード例 #11
0
ファイル: main.c プロジェクト: magical/dr_meter
int print_av_error(const char *function_name, int error) {
	char errorbuf[128];
	char *error_ptr = errorbuf;
	if (av_strerror(error, errorbuf, sizeof(errorbuf)) < 0) {
		error_ptr = strerror(AVUNERROR(error));
	}
	fprintf(stderr, "dr_meter: %s: %s\n", function_name, error_ptr);
	return error;
}
コード例 #12
0
ファイル: mediadec_ffmpeg.cpp プロジェクト: KastB/OpenCPN
void PrintError(const wxString& msg, int err) {
	char errbuf[128];
	const char *errbuf_ptr = errbuf;
	
	if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
		errbuf_ptr = strerror(AVUNERROR(err));
	wxString errorStr(errbuf_ptr, wxConvUTF8);
	wxLogError(msg + wxT(": ") + errorStr);
}
コード例 #13
0
int decode_video_frame (AVCodecContext * picc, const AVPacket * pkt, AVFrame * pf) {
    int ok = 0;

    // may need to feed multiple times to get one frame
    while (1) {
        ok = avcodec_send_packet(picc, pkt);
        if (ok != 0) {
            ok = AVUNERROR(ok);
            return ok;
        }

        ok = avcodec_receive_frame(picc, pf);
        ok = AVUNERROR(ok);
        if (ok != EAGAIN) {
            // maybe failed, just return the error code
            return ok;
        }
        // need to feed raw packet again
    }

    return ok;
}
コード例 #14
0
ファイル: avio.c プロジェクト: chucolin/vlc
/*****************************************************************************
 * Write:
 *****************************************************************************/
static ssize_t Write(sout_access_out_t *p_access, block_t *p_buffer)
{
    access_sys_t *p_sys = (access_sys_t*)p_access->p_sys;
    size_t i_write = 0;

    while (p_buffer != NULL) {
        block_t *p_next = p_buffer->p_next;

#if LIBAVFORMAT_VERSION_MAJOR < 54
        int written = url_write(p_sys->context, p_buffer->p_buffer, p_buffer->i_buffer);
        if (written < 0) {
            errno = AVUNERROR(written);
            goto error;
        }
        i_write += written;
#else
        avio_write(p_sys->context, p_buffer->p_buffer, p_buffer->i_buffer);
        avio_flush(p_sys->context);
        if (p_sys->context->error) {
            errno = AVUNERROR(p_sys->context->error);
            p_sys->context->error = 0; /* FIXME? */
            goto error;
        }
        i_write += p_buffer->i_buffer;
#endif

        block_Release(p_buffer);

        p_buffer = p_next;
    }

    return i_write;

error:
    msg_Err(p_access, "Wrote only %zu bytes (%m)", i_write);
    block_ChainRelease( p_buffer );
    return i_write;
}
コード例 #15
0
ファイル: mux.c プロジェクト: tguillem/vlc
/*****************************************************************************
 * Mux: multiplex available data in input fifos
 *****************************************************************************/
static int Mux( sout_mux_t *p_mux )
{
    sout_mux_sys_t *p_sys = p_mux->p_sys;

    if( p_sys->b_error ) return VLC_EGENERIC;

    if( p_sys->b_write_header )
    {
        int error;
        msg_Dbg( p_mux, "writing header" );

        char *psz_opts = var_GetNonEmptyString( p_mux, "sout-avformat-options" );
        AVDictionary *options = NULL;
        if (psz_opts) {
            vlc_av_get_options(psz_opts, &options);
            free(psz_opts);
        }
        av_dict_set( &p_sys->oc->metadata, "encoding_tool", "VLC "VERSION, 0 );
        error = avformat_write_header( p_sys->oc, options ? &options : NULL);
        AVDictionaryEntry *t = NULL;
        while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) {
            msg_Err( p_mux, "Unknown option \"%s\"", t->key );
        }
        av_dict_free(&options);
        if( error < 0 )
        {
            msg_Err( p_mux, "could not write header: %s",
                     vlc_strerror_c(AVUNERROR(error)) );
            p_sys->b_write_header = false;
            p_sys->b_error = true;
            return VLC_EGENERIC;
        }

        avio_flush( p_sys->oc->pb );
        p_sys->b_write_header = false;
    }

    for( ;; )
    {
        mtime_t i_dts;

        int i_stream = sout_MuxGetStream( p_mux, 1, &i_dts );
        if( i_stream < 0 )
            return VLC_SUCCESS;

        MuxBlock( p_mux, p_mux->pp_inputs[i_stream] );
    }

    return VLC_SUCCESS;
}
コード例 #16
0
ファイル: network.c プロジェクト: kithan/ffmpeg2.6-android
int ff_listen_connect(int fd, const struct sockaddr *addr,
                      socklen_t addrlen, int timeout, URLContext *h,
                      int will_try_next)
{
    struct pollfd p = {fd, POLLOUT, 0};
    int ret;
    socklen_t optlen;

    if (ff_socket_nonblock(fd, 1) < 0)
        av_log(NULL, AV_LOG_DEBUG, "ff_socket_nonblock failed\n");

    while ((ret = connect(fd, addr, addrlen))) {
        ret = ff_neterrno();
        switch (ret) {
        case AVERROR(EINTR):
            if (ff_check_interrupt(&h->interrupt_callback))
                return AVERROR_EXIT;
            continue;
        case AVERROR(EINPROGRESS):
        case AVERROR(EAGAIN):
            ret = ff_poll_interrupt(&p, 1, timeout, &h->interrupt_callback);
            if (ret < 0)
                return ret;
            optlen = sizeof(ret);
            if (getsockopt (fd, SOL_SOCKET, SO_ERROR, &ret, &optlen))
                ret = AVUNERROR(ff_neterrno());
            if (ret != 0) {
                char errbuf[100];
                ret = AVERROR(ret);
                av_strerror(ret, errbuf, sizeof(errbuf));
                if (will_try_next)
                    av_log(h, AV_LOG_WARNING,
                           "Connection to %s failed (%s), trying next address\n",
                           h->filename, errbuf);
                else
                    av_log(h, AV_LOG_ERROR, "Connection to %s failed: %s\n",
                           h->filename, errbuf);
            }
        default:
            return ret;
        }
    }
    return ret;
}
コード例 #17
0
ファイル: avio.c プロジェクト: mstorsjo/vlc
int OutOpenAvio(vlc_object_t *object)
{
    sout_access_out_t *access = (sout_access_out_t*)object;

    config_ChainParse( access, "sout-avio-", ppsz_sout_options, access->p_cfg );

    sout_access_out_sys_t *sys = vlc_obj_malloc(object, sizeof(*sys));
    if (!sys)
        return VLC_ENOMEM;
    sys->context = NULL;

    /* */
    vlc_init_avformat(object);

    if (!access->psz_path)
        return VLC_EGENERIC;

    int ret;
    AVDictionary *options = NULL;
    char *psz_opts = var_InheritString(access, "sout-avio-options");
    if (psz_opts) {
        vlc_av_get_options(psz_opts, &options);
        free(psz_opts);
    }
    ret = avio_open2(&sys->context, access->psz_path, AVIO_FLAG_WRITE,
                     NULL, &options);
    AVDictionaryEntry *t = NULL;
    while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX)))
        msg_Err( access, "unknown option \"%s\"", t->key );
    av_dict_free(&options);
    if (ret < 0) {
        errno = AVUNERROR(ret);
        msg_Err(access, "Failed to open %s", access->psz_path);
        return VLC_EGENERIC;
    }

    access->pf_write = Write;
    access->pf_control = OutControl;
    access->pf_seek = OutSeek;
    access->p_sys = sys;

    return VLC_SUCCESS;
}
コード例 #18
0
static OSStatus tls_write_cb(SSLConnectionRef connection, const void *data, size_t *dataLength)
{
    URLContext *h = (URLContext*)connection;
    TLSContext *c = h->priv_data;
    int written = ffurl_write(c->tls_shared.tcp, data, *dataLength);
    if (written <= 0) {
        *dataLength = 0;
        switch(AVUNERROR(written)) {
            case EAGAIN:
                return errSSLWouldBlock;
            default:
                c->lastErr = written;
                return ioErr;
        }
    } else {
        *dataLength = written;
        return noErr;
    }
}
コード例 #19
0
ファイル: avio.c プロジェクト: mstorsjo/vlc
static int Seek(stream_t *access, uint64_t position)
{
    access_sys_t *sys = access->p_sys;
    int ret;

#ifndef EOVERFLOW
# define EOVERFLOW EFBIG
#endif

    if (position > INT64_MAX)
        ret = AVERROR(EOVERFLOW);
    else
        ret = avio_seek(sys->context, position, SEEK_SET);
    if (ret < 0) {
        msg_Err(access, "Seek to %"PRIu64" failed: %s", position,
                vlc_strerror_c(AVUNERROR(ret)));
        if (sys->size < 0 || position != (uint64_t)sys->size)
            return VLC_EGENERIC;
    }
    return VLC_SUCCESS;
}
コード例 #20
0
ファイル: radio.c プロジェクト: Impakt/forked-daapd
int open_radio( struct transcode_ctx *ctx, struct media_file_info *mfi )
{
    ctx->fmtctx = avformat_alloc_context();

    URLContext *stream;

    url_alloc(&stream, mfi->url, URL_RDONLY );
    ff_http_set_headers( stream, "Icy-MetaData:1\r\n");

    DPRINTF(E_DBG, L_XCODE, "Trying to open url %s\n", mfi->url);
    int ret = url_connect(stream);

    if (ret != 0)
    {
        DPRINTF(E_WARN, L_XCODE, "Could not open url %s: %s\n", mfi->url, strerror(AVUNERROR(ret)));
        return -1;
    }
    DPRINTF(E_DBG, L_XCODE, "URL opened successfully");

    if (icy)
        free(icy);

    icy = (struct icy_ctx *)malloc(sizeof(struct icy_ctx));
    icy->context = stream;
    icy->data_pos = 0;
    icy->icy_metaint = get_meta_int( stream );
    icy->rewritten_album = 0;
    icy->mfi = mfi;

    ctx->fmtctx = avformat_alloc_context();

    if (buff)
        av_free( buff );
    buff = (uint8_t *) av_malloc( BIO_BUFFER_SIZE );

    ctx->fmtctx->pb = avio_alloc_context(buff, BIO_BUFFER_SIZE, 0, icy, ReadFunc2, NULL, NULL);

    return avformat_open_input(&ctx->fmtctx, mfi->url, NULL, NULL);
}
コード例 #21
0
ファイル: unix.c プロジェクト: AVLeo/libav
static int unix_open(URLContext *h, const char *filename, int flags)
{
    UnixContext *s = h->priv_data;
    int fd, ret;

    av_strstart(filename, "unix:", &filename);
    s->addr.sun_family = AF_UNIX;
    av_strlcpy(s->addr.sun_path, filename, sizeof(s->addr.sun_path));

    if ((fd = ff_socket(AF_UNIX, s->type, 0)) < 0)
        return ff_neterrno();

    if (s->timeout < 0 && h->rw_timeout)
        s->timeout = h->rw_timeout / 1000;

    if (s->listen) {
        ret = ff_listen_bind(fd, (struct sockaddr *)&s->addr,
                             sizeof(s->addr), s->timeout, h);
        if (ret < 0)
            goto fail;
        fd = ret;
    } else {
        ret = ff_listen_connect(fd, (struct sockaddr *)&s->addr,
                                sizeof(s->addr), s->timeout, h, 0);
        if (ret < 0)
            goto fail;
    }

    s->fd = fd;

    return 0;

fail:
    if (s->listen && AVUNERROR(ret) != EADDRINUSE)
        unlink(s->addr.sun_path);
    if (fd >= 0)
        closesocket(fd);
    return ret;
}
コード例 #22
0
ファイル: avio.c プロジェクト: chucolin/vlc
static int Seek(access_t *access, uint64_t position)
{
    access_sys_t *sys = access->p_sys;
    int ret;

#ifndef EOVERFLOW
# define EOVERFLOW EFBIG
#endif

    if (position > INT64_MAX)
        ret = AVERROR(EOVERFLOW);
    else
        ret = avio_seek(sys->context, position, SEEK_SET);
    if (ret < 0) {
        errno = AVUNERROR(ret);
        msg_Err(access, "Seek to %"PRIu64" failed: %m", position);
        if (sys->size == 0 || position != sys->size)
            return VLC_EGENERIC;
    }
    access->info.i_pos = position;
    access->info.b_eof = false;
    return VLC_SUCCESS;
}
コード例 #23
0
ファイル: stream.c プロジェクト: EQ4/musicd
static int encode_next(stream_t *stream)
{
  int result, got_packet;
  AVFrame *frame = stream->encode_frame;
  AVPacket *packet = &stream->encode_packet;

  while (av_audio_fifo_size(stream->src_buf) < stream->encoder->frame_size) {
    result = decode_next(stream);
    if (result <= 0) {
      return result;
    }
  }

  av_audio_fifo_read(stream->src_buf,
                     (void **)frame->extended_data,
                     stream->encoder->frame_size);

  av_free_packet(packet);

  result = avcodec_encode_audio2(stream->encoder, packet, frame, &got_packet);

  if (result < 0) {
    musicd_log(LOG_ERROR, "stream", "can't encode: %s",
               strerror(AVUNERROR(result)));
    return -1;
  }

  if (!got_packet) {
    return 1;
  }

  stream->dst_data = packet->data;
  stream->dst_size = packet->size;

  return 1;
}
コード例 #24
0
static OSStatus tls_read_cb(SSLConnectionRef connection, void *data, size_t *dataLength)
{
    URLContext *h = (URLContext*)connection;
    TLSContext *c = h->priv_data;
    int read = ffurl_read_complete(c->tls_shared.tcp, data, *dataLength);
    if (read <= 0) {
        *dataLength = 0;
        switch(AVUNERROR(read)) {
            case ENOENT:
            case 0:
                return errSSLClosedGraceful;
            case ECONNRESET:
                return errSSLClosedAbort;
            case EAGAIN:
                return errSSLWouldBlock;
            default:
                c->lastErr = read;
                return ioErr;
        }
    } else {
        *dataLength = read;
        return noErr;
    }
}
コード例 #25
0
ファイル: stream.c プロジェクト: EQ4/musicd
static int read_next(stream_t *stream)
{
  int result;
  
  while (1) {
    av_free_packet(&stream->src_packet);

    result = av_read_frame(stream->src_ctx, &stream->src_packet);
    if (result < 0) {
      if (result == AVERROR_EOF) {
        /* end of file */
        return 0;
      }
      musicd_log(LOG_ERROR, "stream", "av_read_frame failed: %s",
                 strerror(AVUNERROR(result)));
      return 0;
    }

    if (stream->src_packet.stream_index != 0) {
      continue;
    }
    break;
  }

  if (stream->src_packet.pts * av_q2d(stream->src_ctx->streams[0]->time_base) >
      stream->track->start + stream->track->duration) {
    if (stream->track->cuefile) {
      /* Accurate end of track */
      return 0;
    } else {
      /* Miscalculated track length */
    }
  }
  
  return 1;
}
コード例 #26
0
ファイル: avio.c プロジェクト: mstorsjo/vlc
int OpenAvio(vlc_object_t *object)
{
    stream_t *access = (stream_t*)object;
    access_sys_t *sys = vlc_obj_malloc(object, sizeof(*sys));
    if (!sys)
        return VLC_ENOMEM;
    sys->context = NULL;

    /* We accept:
     * - avio://full_url
     * - url (only a subset of available protocols).
     */
    char *url;
    if (!strcmp(access->psz_name, "avio"))
        url = strdup(access->psz_location);
    else if (asprintf(&url, "%s://%s", access->psz_name,
                      access->psz_location) < 0)
        url = NULL;

    if (!url)
        return VLC_ENOMEM;

    /* */
    vlc_init_avformat(object);

    int ret;
    AVIOInterruptCB cb = {
        .callback = UrlInterruptCallback,
        .opaque = access,
    };
    AVDictionary *options = NULL;
    char *psz_opts = var_InheritString(access, "avio-options");
    if (psz_opts) {
        vlc_av_get_options(psz_opts, &options);
        free(psz_opts);
    }
    ret = avio_open2(&sys->context, url, AVIO_FLAG_READ, &cb, &options);
    AVDictionaryEntry *t = NULL;
    while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX)))
        msg_Err( access, "unknown option \"%s\"", t->key );
    av_dict_free(&options);
    if (ret < 0) {
        msg_Err(access, "Failed to open %s: %s", url,
                vlc_strerror_c(AVUNERROR(ret)));
        free(url);
        return VLC_EGENERIC;
    }
    free(url);

    sys->size = avio_size(sys->context);

    bool seekable;
    seekable = sys->context->seekable;
    msg_Dbg(access, "%sseekable, size=%"PRIi64, seekable ? "" : "not ",
            sys->size);

    /* */
    access->pf_read = Read;
    access->pf_block = NULL;
    access->pf_control = Control;
    access->pf_seek = Seek;
    access->p_sys = sys;

    return VLC_SUCCESS;
}
コード例 #27
0
int save_snapshot (const char * filename, const AVCodecContext * picc, const AVFrame * pif) {
    int ok = 0;

    OutputContext * output_context = output_context_new(filename, pif);
    if (!output_context) {
        ok = -1;
        goto failed;
    }

    // write file header
    ok = avformat_write_header(output_context->format_context, NULL);
    if (ok != 0) {
        ok = 1;
        goto failed;
    }

    // prepare pixel convertion
    AVCodecContext * pcc = output_context->codec_context;
    struct SwsContext * psc = sws_getCachedContext(NULL, picc->width, picc->height, picc->pix_fmt, pcc->width, pcc->height, pcc->pix_fmt, SWS_BILINEAR, NULL, NULL, NULL);
    if (!psc) {
        ok = 1;
        goto failed;
    }

    // prepare converted picture
    AVFrame * pf = av_frame_alloc();
    if (!pf) {
        ok = 1;
        goto close_sws;
    }
    pf->width = pcc->width;
    pf->height = pcc->height;
    pf->format = pcc->pix_fmt;
    ok = av_image_alloc(pf->data, pf->linesize, pcc->width, pcc->height, pcc->pix_fmt, 1);
    if (ok < 0) {
        ok = AVUNERROR(ok);
        goto close_frame;
    }
    // convert pixel format
    ok = sws_scale(psc, (const uint8_t * const *)pif->data, pif->linesize, 0, picc->height, pf->data, pf->linesize);
    if (ok <= 0) {
        ok = 1;
        goto close_picture;
    }

    // encode frame
    AVPacket pkt;
    av_init_packet(&pkt);
    pkt.data = NULL;
    pkt.size = 0;
    ok = avcodec_send_frame(pcc, pf);
    if (ok != 0) {
        ok = AVUNERROR(ok);
        goto close_packet;
    }
    ok = avcodec_receive_packet(pcc, &pkt);
    if (ok != 0) {
        ok = AVUNERROR(ok);
        goto close_packet;
    }
    // NOTE does not matter in image
    pkt.pts = 0;
    pkt.dts = 0;

    // write encoded frame
    ok = av_interleaved_write_frame(output_context->format_context, &pkt);
    if (ok != 0) {
        ok = 1;
        goto close_file;
    }

    ok = 0;
close_file:
    av_write_trailer(output_context->format_context);
close_packet:
    av_packet_unref(&pkt);
close_picture:
    av_freep(&pf->data[0]);
close_frame:
    av_frame_free(&pf);
close_sws:
    sws_freeContext(psc);
failed:
    output_context_delete(&output_context);
    return ok;
}
コード例 #28
0
ファイル: mmst.c プロジェクト: AirStash/AirStashPlayer
/** Read incoming MMST media, header or command packet. */
static MMSSCPacketType get_tcp_server_response(MMSTContext *mmst)
{
    int read_result;
    MMSSCPacketType packet_type= -1;
    MMSContext *mms = &mmst->mms;
    for(;;) {
        read_result = ffurl_read_complete(mms->mms_hd, mms->in_buffer, 8);
        if (read_result != 8) {
            if(read_result < 0) {
                av_log(NULL, AV_LOG_ERROR,
                       "Error reading packet header: %d (%s)\n",
                       read_result, strerror(AVUNERROR(read_result)));
                packet_type = SC_PKT_CANCEL;
            } else {
                av_log(NULL, AV_LOG_ERROR,
                       "The server closed the connection\n");
                packet_type = SC_PKT_NO_DATA;
            }
            return packet_type;
        }

        // handle command packet.
        if(AV_RL32(mms->in_buffer + 4)==0xb00bface) {
            int length_remaining, hr;

            mmst->incoming_flags= mms->in_buffer[3];
            read_result= ffurl_read_complete(mms->mms_hd, mms->in_buffer+8, 4);
            if(read_result != 4) {
                av_log(NULL, AV_LOG_ERROR,
                       "Reading command packet length failed: %d (%s)\n",
                       read_result,
                       read_result < 0 ? strerror(AVUNERROR(read_result)) :
                           "The server closed the connection");
                return read_result < 0 ? read_result : AVERROR(EIO);
            }

            length_remaining= AV_RL32(mms->in_buffer+8) + 4;
            av_log(NULL, AV_LOG_TRACE, "Length remaining is %d\n", length_remaining);
            // read the rest of the packet.
            if (length_remaining < 0
                || length_remaining > sizeof(mms->in_buffer) - 12) {
                av_log(NULL, AV_LOG_ERROR,
                       "Incoming packet length %d exceeds bufsize %"SIZE_SPECIFIER"\n",
                       length_remaining, sizeof(mms->in_buffer) - 12);
                return AVERROR_INVALIDDATA;
            }
            read_result = ffurl_read_complete(mms->mms_hd, mms->in_buffer + 12,
                                            length_remaining) ;
            if (read_result != length_remaining) {
                av_log(NULL, AV_LOG_ERROR,
                       "Reading pkt data (length=%d) failed: %d (%s)\n",
                       length_remaining, read_result,
                       read_result < 0 ? strerror(AVUNERROR(read_result)) :
                           "The server closed the connection");
                return read_result < 0 ? read_result : AVERROR(EIO);
            }
            packet_type= AV_RL16(mms->in_buffer+36);
            if (read_result >= 44 && (hr = AV_RL32(mms->in_buffer + 40))) {
                av_log(NULL, AV_LOG_ERROR,
                       "Server sent a message with packet type 0x%x and error status code 0x%08x\n", packet_type, hr);
                return AVERROR(EINVAL);
            }
        } else {
            int length_remaining;
            int packet_id_type;
            int tmp;

            // note we cache the first 8 bytes,
            // then fill up the buffer with the others
            tmp                       = AV_RL16(mms->in_buffer + 6);
            length_remaining          = (tmp - 8) & 0xffff;
            mmst->incoming_packet_seq = AV_RL32(mms->in_buffer);
            packet_id_type            = mms->in_buffer[4];
            mmst->incoming_flags      = mms->in_buffer[5];

            if (length_remaining < 0
                || length_remaining > sizeof(mms->in_buffer) - 8) {
                av_log(NULL, AV_LOG_ERROR,
                       "Data length %d is invalid or too large (max=%"SIZE_SPECIFIER")\n",
                       length_remaining, sizeof(mms->in_buffer));
                return AVERROR_INVALIDDATA;
            }
            mms->remaining_in_len    = length_remaining;
            mms->read_in_ptr         = mms->in_buffer;
            read_result= ffurl_read_complete(mms->mms_hd, mms->in_buffer, length_remaining);
            if(read_result != length_remaining) {
                av_log(NULL, AV_LOG_ERROR,
                       "Failed to read packet data of size %d: %d (%s)\n",
                       length_remaining, read_result,
                       read_result < 0 ? strerror(AVUNERROR(read_result)) :
                           "The server closed the connection");
                return read_result < 0 ? read_result : AVERROR(EIO);
            }

            // if we successfully read everything.
            if(packet_id_type == mmst->header_packet_id) {
                int err;
                packet_type = SC_PKT_ASF_HEADER;
                // Store the asf header
                if(!mms->header_parsed) {
                    if ((err = av_reallocp(&mms->asf_header,
                                           mms->asf_header_size +
                                           mms->remaining_in_len)) < 0) {
                        mms->asf_header_size = 0;
                        return err;
                    }
                    memcpy(mms->asf_header + mms->asf_header_size,
                           mms->read_in_ptr, mms->remaining_in_len);
                    mms->asf_header_size += mms->remaining_in_len;
                }
                // 0x04 means asf header is sent in multiple packets.
                if (mmst->incoming_flags == 0x04)
                    continue;
            } else if(packet_id_type == mmst->packet_id) {
                packet_type = SC_PKT_ASF_MEDIA;
            } else {
                av_log(NULL, AV_LOG_TRACE, "packet id type %d is old.", packet_id_type);
                continue;
            }
        }

        // preprocess some packet type
        if(packet_type == SC_PKT_KEEPALIVE) {
            send_keepalive_packet(mmst);
            continue;
        } else if(packet_type == SC_PKT_STREAM_CHANGING) {
            handle_packet_stream_changing_type(mmst);
        } else if(packet_type == SC_PKT_ASF_MEDIA) {
            pad_media_packet(mms);
        }
        return packet_type;
    }
}
コード例 #29
0
int
scan_metadata_ffmpeg(char *file, struct media_file_info *mfi)
{
  AVFormatContext *ctx;
  const struct metadata_map *extra_md_map;
  enum CodecID codec_id;
  enum CodecID video_codec_id;
  enum CodecID audio_codec_id;
  AVStream *video_stream;
  AVStream *audio_stream;
  int mdcount;
  int i;
  int ret;

  ctx = NULL;

#if LIBAVFORMAT_VERSION_MAJOR >= 53 || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVCODEC_VERSION_MINOR >= 3)
  ret = avformat_open_input(&ctx, file, NULL, NULL);
#else
  ret = av_open_input_file(&ctx, file, NULL, 0, NULL);
#endif
  if (ret != 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Cannot open media file '%s': %s\n", file, strerror(AVUNERROR(ret)));

      return -1;
    }

  ret = av_find_stream_info(ctx);
  if (ret < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Cannot get stream info: %s\n", strerror(AVUNERROR(ret)));

      av_close_input_file(ctx);
      return -1;
    }

#if 0
  /* Dump input format as determined by ffmpeg */
# if LIBAVFORMAT_VERSION_MAJOR >= 52 || (LIBAVFORMAT_VERSION_MAJOR == 52 && LIBAVCODEC_VERSION_MINOR >= 101)
  av_dump_format(ctx, 0, file, 0);
# else
  dump_format(ctx, 0, file, FALSE);
# endif
#endif

  DPRINTF(E_DBG, L_SCAN, "File has %d streams\n", ctx->nb_streams);

  /* Extract codec IDs, check for video */
  video_codec_id = CODEC_ID_NONE;
  video_stream = NULL;

  audio_codec_id = CODEC_ID_NONE;
  audio_stream = NULL;

  for (i = 0; i < ctx->nb_streams; i++)
    {
      switch (ctx->streams[i]->codec->codec_type)
	{
#if LIBAVCODEC_VERSION_MAJOR >= 53 || (LIBAVCODEC_VERSION_MAJOR == 52 && LIBAVCODEC_VERSION_MINOR >= 64)
	  case AVMEDIA_TYPE_VIDEO:
#else
	  case CODEC_TYPE_VIDEO:
#endif
	    if (!video_stream)
	      {
		DPRINTF(E_DBG, L_SCAN, "File has video (stream %d)\n", i);

		mfi->has_video = 1;
		video_stream = ctx->streams[i];
		video_codec_id = video_stream->codec->codec_id;
	      }
	    break;

#if LIBAVCODEC_VERSION_MAJOR >= 53 || (LIBAVCODEC_VERSION_MAJOR == 52 && LIBAVCODEC_VERSION_MINOR >= 64)
	  case AVMEDIA_TYPE_AUDIO:
#else
	  case CODEC_TYPE_AUDIO:
#endif
	    if (!audio_stream)
	      {
		audio_stream = ctx->streams[i];
		audio_codec_id = audio_stream->codec->codec_id;
	      } 
	    break;

	  default:
	    break;
	}
    }

  if (audio_codec_id == CODEC_ID_NONE)
    {
      DPRINTF(E_DBG, L_SCAN, "File has no audio streams, discarding\n");

      av_close_input_file(ctx);
      return -1;
    }

  /* Common media information */
  if (ctx->duration > 0)
    mfi->song_length = ctx->duration / (AV_TIME_BASE / 1000); /* ms */

  if (ctx->bit_rate > 0)
    mfi->bitrate = ctx->bit_rate / 1000;
  else if (ctx->duration > AV_TIME_BASE) /* guesstimate */
    mfi->bitrate = ((mfi->file_size * 8) / (ctx->duration / AV_TIME_BASE)) / 1000;

  DPRINTF(E_DBG, L_SCAN, "Duration %d ms, bitrate %d kbps\n", mfi->song_length, mfi->bitrate);

  /* Get some more information on the audio stream */
  if (audio_stream)
    {
      if (audio_stream->codec->sample_rate != 0)
	mfi->samplerate = audio_stream->codec->sample_rate;

      /* Try sample format first */
#if LIBAVUTIL_VERSION_MAJOR >= 51 || (LIBAVUTIL_VERSION_MAJOR == 51 && LIBAVUTIL_VERSION_MINOR >= 4)
      mfi->bits_per_sample = 8 * av_get_bytes_per_sample(audio_stream->codec->sample_fmt);
#elif LIBAVCODEC_VERSION_MAJOR >= 53
      mfi->bits_per_sample = av_get_bits_per_sample_fmt(audio_stream->codec->sample_fmt);
#else
      mfi->bits_per_sample = av_get_bits_per_sample_format(audio_stream->codec->sample_fmt);
#endif
      if (mfi->bits_per_sample == 0)
	{
	  /* Try codec */
	  mfi->bits_per_sample = av_get_bits_per_sample(audio_codec_id);
	}

      DPRINTF(E_DBG, L_SCAN, "samplerate %d, bps %d\n", mfi->samplerate, mfi->bits_per_sample);
    }

  /* Check codec */
  extra_md_map = NULL;
  codec_id = (mfi->has_video) ? video_codec_id : audio_codec_id;
  switch (codec_id)
    {
      case CODEC_ID_AAC:
	DPRINTF(E_DBG, L_SCAN, "AAC\n");
	mfi->type = strdup("m4a");
	mfi->codectype = strdup("mp4a");
	mfi->description = strdup("AAC audio file");
	break;

      case CODEC_ID_ALAC:
	DPRINTF(E_DBG, L_SCAN, "ALAC\n");
	mfi->type = strdup("m4a");
	mfi->codectype = strdup("alac");
	mfi->description = strdup("AAC audio file");
	break;

      case CODEC_ID_FLAC:
	DPRINTF(E_DBG, L_SCAN, "FLAC\n");
	mfi->type = strdup("flac");
	mfi->codectype = strdup("flac");
	mfi->description = strdup("FLAC audio file");

	extra_md_map = md_map_vorbis;
	break;

      case CODEC_ID_MUSEPACK7:
      case CODEC_ID_MUSEPACK8:
	DPRINTF(E_DBG, L_SCAN, "Musepack\n");
	mfi->type = strdup("mpc");
	mfi->codectype = strdup("mpc");
	mfi->description = strdup("Musepack audio file");
	break;

      case CODEC_ID_MPEG4: /* Video */
      case CODEC_ID_H264:
	DPRINTF(E_DBG, L_SCAN, "MPEG4 video\n");
	mfi->type = strdup("m4v");
	mfi->codectype = strdup("mp4v");
	mfi->description = strdup("MPEG-4 video file");

	extra_md_map = md_map_tv;
	break;

      case CODEC_ID_MP3:
	DPRINTF(E_DBG, L_SCAN, "MP3\n");
	mfi->type = strdup("mp3");
	mfi->codectype = strdup("mpeg");
	mfi->description = strdup("MPEG audio file");

	extra_md_map = md_map_id3;
	break;

      case CODEC_ID_VORBIS:
	DPRINTF(E_DBG, L_SCAN, "VORBIS\n");
	mfi->type = strdup("ogg");
	mfi->codectype = strdup("ogg");
	mfi->description = strdup("Ogg Vorbis audio file");

	extra_md_map = md_map_vorbis;
	break;

      case CODEC_ID_WMAVOICE:
	DPRINTF(E_DBG, L_SCAN, "WMA Voice\n");
	mfi->type = strdup("wma");
	mfi->codectype = strdup("wmav");
	mfi->description = strdup("WMA audio file");
	break;

      case CODEC_ID_WMAPRO:
	DPRINTF(E_DBG, L_SCAN, "WMA Pro\n");
	mfi->type = strdup("wmap");
	mfi->codectype = strdup("wma");
	mfi->description = strdup("WMA audio file");
	break;

      case CODEC_ID_WMALOSSLESS:
	DPRINTF(E_DBG, L_SCAN, "WMA Lossless\n");
	mfi->type = strdup("wma");
	mfi->codectype = strdup("wmal");
	mfi->description = strdup("WMA audio file");
	break;

      case CODEC_ID_WMAV1:
      case CODEC_ID_WMAV2:
	DPRINTF(E_DBG, L_SCAN, "WMA V1/V2\n");
	mfi->type = strdup("wma");
	mfi->codectype = strdup("wma");
	mfi->description = strdup("WMA audio file");
	break;

      case CODEC_ID_PCM_S16LE ... CODEC_ID_PCM_F64LE:
	if (strcmp(ctx->iformat->name, "aiff") == 0)
	  {
	    DPRINTF(E_DBG, L_SCAN, "AIFF\n");
	    mfi->type = strdup("aif");
	    mfi->codectype = strdup("aif");
	    mfi->description = strdup("AIFF audio file");
	    break;
	  }
	else if (strcmp(ctx->iformat->name, "wav") == 0)
	  {
	    DPRINTF(E_DBG, L_SCAN, "WAV\n");
	    mfi->type = strdup("wav");
	    mfi->codectype = strdup("wav");
	    mfi->description = strdup("WAV audio file");
	    break;
	  }
	/* WARNING: will fallthrough to default case, don't move */
	/* FALLTHROUGH */

      default:
	DPRINTF(E_DBG, L_SCAN, "Unknown codec 0x%x (video: %s), format %s (%s)\n",
		codec_id, (mfi->has_video) ? "yes" : "no", ctx->iformat->name, ctx->iformat->long_name);
	mfi->type = strdup("unkn");
	mfi->codectype = strdup("unkn");
	if (mfi->has_video)
	  {
	    mfi->description = strdup("Unknown video file format");
	    extra_md_map = md_map_tv;
	  }
	else
	  mfi->description = strdup("Unknown audio file format");
	break;
    }

  mdcount = 0;

  if ((!ctx->metadata) && (!audio_stream->metadata)
      && (video_stream && !video_stream->metadata))
    {
      DPRINTF(E_WARN, L_SCAN, "ffmpeg reports no metadata\n");

      goto skip_extract;
    }

  if (extra_md_map)
    {
      ret = extract_metadata(mfi, ctx, audio_stream, video_stream, extra_md_map);
      mdcount += ret;

      DPRINTF(E_DBG, L_SCAN, "Picked up %d tags with extra md_map\n", ret);
    }

#if LIBAVFORMAT_VERSION_MAJOR < 53
  av_metadata_conv(ctx, NULL, ctx->iformat->metadata_conv);
#endif

  ret = extract_metadata(mfi, ctx, audio_stream, video_stream, md_map_generic);
  mdcount += ret;

  DPRINTF(E_DBG, L_SCAN, "Picked up %d tags with generic md_map, %d tags total\n", ret, mdcount);

  /* fix up TV metadata */
  if (mfi->media_kind == 10)
    {
      /* I have no idea why this is, but iTunes reports a media kind of 64 for stik==10 (?!) */
      mfi->media_kind = 64;
    }
  /* Unspecified video files are "Movies", media_kind 2 */
  else if (mfi->has_video == 1)
    {
      mfi->media_kind = 2;
    }

 skip_extract:
  if (mdcount == 0)
    {
      /* ffmpeg doesn't support FLAC nor Musepack metadata,
       * and is buggy for some WMA variants, so fall back to the
       * legacy format-specific parsers until it gets fixed */
      if ((codec_id == CODEC_ID_WMAPRO)
	  || (codec_id == CODEC_ID_WMAVOICE)
	  || (codec_id == CODEC_ID_WMALOSSLESS))
	{
	  DPRINTF(E_WARN, L_SCAN, "Falling back to legacy WMA scanner\n");

	  av_close_input_file(ctx);
	  return (scan_get_wmainfo(file, mfi) ? 0 : -1);
	}
#ifdef FLAC
      else if (codec_id == CODEC_ID_FLAC)
	{
	  DPRINTF(E_WARN, L_SCAN, "Falling back to legacy FLAC scanner\n");

	  av_close_input_file(ctx);
	  return (scan_get_flacinfo(file, mfi) ? 0 : -1);
	}
#endif /* FLAC */
#ifdef MUSEPACK
      else if ((codec_id == CODEC_ID_MUSEPACK7)
	       || (codec_id == CODEC_ID_MUSEPACK8))
	{
	  DPRINTF(E_WARN, L_SCAN, "Falling back to legacy Musepack scanner\n");

	  av_close_input_file(ctx);
	  return (scan_get_mpcinfo(file, mfi) ? 0 : -1);
	}
#endif /* MUSEPACK */
      else
	DPRINTF(E_WARN, L_SCAN, "Could not extract any metadata\n");
    }

  /* Just in case there's no title set ... */
  if (mfi->title == NULL)
    mfi->title = strdup(mfi->fname);

  /* All done */
  av_close_input_file(ctx);

  return 0;
}
コード例 #30
0
int
scan_metadata_ffmpeg(char *file, struct media_file_info *mfi)
{
  AVFormatContext *ctx;
  AVDictionary *options;
  const struct metadata_map *extra_md_map;
  struct http_icy_metadata *icy_metadata;
#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
  enum AVCodecID codec_id;
  enum AVCodecID video_codec_id;
  enum AVCodecID audio_codec_id;
#else
  enum CodecID codec_id;
  enum CodecID video_codec_id;
  enum CodecID audio_codec_id;
#endif
  AVStream *video_stream;
  AVStream *audio_stream;
  char *path;
  int mdcount;
  int i;
  int ret;

  ctx = NULL;
  options = NULL;
  path = strdup(file);

#if LIBAVFORMAT_VERSION_MAJOR >= 54 || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVFORMAT_VERSION_MINOR >= 3)
# ifndef HAVE_FFMPEG
  // Without this, libav is slow to probe some internet streams
  if (mfi->data_kind == DATA_KIND_HTTP)
    {
      ctx = avformat_alloc_context();
      ctx->probesize = 64000;
    }
# endif

  if (mfi->data_kind == DATA_KIND_HTTP)
    {
      free(path);
      ret = http_stream_setup(&path, file);
      if (ret < 0)
	return -1;

      av_dict_set(&options, "icy", "1", 0);
      mfi->artwork = ARTWORK_HTTP;
    }

  ret = avformat_open_input(&ctx, path, NULL, &options);

  if (options)
    av_dict_free(&options);
#else
  ret = av_open_input_file(&ctx, path, NULL, 0, NULL);
#endif
  if (ret != 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Cannot open media file '%s': %s\n", path, strerror(AVUNERROR(ret)));

      free(path);
      return -1;
    }

  free(path);

#if LIBAVFORMAT_VERSION_MAJOR >= 54 || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVFORMAT_VERSION_MINOR >= 3)
  ret = avformat_find_stream_info(ctx, NULL);
#else
  ret = av_find_stream_info(ctx);
#endif
  if (ret < 0)
    {
      DPRINTF(E_WARN, L_SCAN, "Cannot get stream info: %s\n", strerror(AVUNERROR(ret)));

#if LIBAVFORMAT_VERSION_MAJOR >= 54 || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVFORMAT_VERSION_MINOR >= 21)
      avformat_close_input(&ctx);
#else
      av_close_input_file(ctx);
#endif
      return -1;
    }

#if 0
  /* Dump input format as determined by ffmpeg */
  av_dump_format(ctx, 0, file, 0);
#endif

  DPRINTF(E_DBG, L_SCAN, "File has %d streams\n", ctx->nb_streams);

  /* Extract codec IDs, check for video */
#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
  video_codec_id = AV_CODEC_ID_NONE;
  video_stream = NULL;

  audio_codec_id = AV_CODEC_ID_NONE;
  audio_stream = NULL;
#else
  video_codec_id = CODEC_ID_NONE;
  video_stream = NULL;

  audio_codec_id = CODEC_ID_NONE;
  audio_stream = NULL;
#endif

  for (i = 0; i < ctx->nb_streams; i++)
    {
      switch (ctx->streams[i]->codec->codec_type)
	{
#if LIBAVCODEC_VERSION_MAJOR >= 53 || (LIBAVCODEC_VERSION_MAJOR == 52 && LIBAVCODEC_VERSION_MINOR >= 64)
	  case AVMEDIA_TYPE_VIDEO:
#else
	  case CODEC_TYPE_VIDEO:
#endif
#if LIBAVFORMAT_VERSION_MAJOR >= 55 || (LIBAVFORMAT_VERSION_MAJOR == 54 && LIBAVFORMAT_VERSION_MINOR >= 6)
	    if (ctx->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC)
	      {
		DPRINTF(E_DBG, L_SCAN, "Found embedded artwork (stream %d)\n", i);
		mfi->artwork = ARTWORK_EMBEDDED;

		break;
	      }
#endif
	    // We treat these as audio no matter what
	    if (mfi->compilation || (mfi->media_kind & (MEDIA_KIND_PODCAST | MEDIA_KIND_AUDIOBOOK)))
	      break;

	    if (!video_stream)
	      {
		DPRINTF(E_DBG, L_SCAN, "File has video (stream %d)\n", i);

		mfi->has_video = 1;
		video_stream = ctx->streams[i];
		video_codec_id = video_stream->codec->codec_id;
	      }
	    break;

#if LIBAVCODEC_VERSION_MAJOR >= 53 || (LIBAVCODEC_VERSION_MAJOR == 52 && LIBAVCODEC_VERSION_MINOR >= 64)
	  case AVMEDIA_TYPE_AUDIO:
#else
	  case CODEC_TYPE_AUDIO:
#endif
	    if (!audio_stream)
	      {
		audio_stream = ctx->streams[i];
		audio_codec_id = audio_stream->codec->codec_id;
	      } 
	    break;

	  default:
	    break;
	}
    }

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
  if (audio_codec_id == AV_CODEC_ID_NONE)
#else
  if (audio_codec_id == CODEC_ID_NONE)
#endif
    {
      DPRINTF(E_DBG, L_SCAN, "File has no audio streams, discarding\n");

#if LIBAVFORMAT_VERSION_MAJOR >= 54 || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVFORMAT_VERSION_MINOR >= 21)
      avformat_close_input(&ctx);
#else
      av_close_input_file(ctx);
#endif
      return -1;
    }

  /* Common media information */
  if (ctx->duration > 0)
    mfi->song_length = ctx->duration / (AV_TIME_BASE / 1000); /* ms */

  if (ctx->bit_rate > 0)
    mfi->bitrate = ctx->bit_rate / 1000;
  else if (ctx->duration > AV_TIME_BASE) /* guesstimate */
    mfi->bitrate = ((mfi->file_size * 8) / (ctx->duration / AV_TIME_BASE)) / 1000;

  DPRINTF(E_DBG, L_SCAN, "Duration %d ms, bitrate %d kbps\n", mfi->song_length, mfi->bitrate);

  /* Try to extract ICY metadata if http stream */
  if (mfi->data_kind == DATA_KIND_HTTP)
    {
      icy_metadata = http_icy_metadata_get(ctx, 0);
      if (icy_metadata && icy_metadata->name)
	{
	  DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, name is '%s'\n", icy_metadata->name);

	  if (mfi->title)
	    free(mfi->title);
	  if (mfi->artist)
	    free(mfi->artist);
	  if (mfi->album_artist)
	    free(mfi->album_artist);

	  mfi->title = strdup(icy_metadata->name);
	  mfi->artist = strdup(icy_metadata->name);
	  mfi->album_artist = strdup(icy_metadata->name);
	}
      if (icy_metadata && icy_metadata->description)
	{
	  DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, description is '%s'\n", icy_metadata->description);

	  if (mfi->album)
	    free(mfi->album);

	  mfi->album = strdup(icy_metadata->description);
	}
      if (icy_metadata && icy_metadata->genre)
	{
	  DPRINTF(E_DBG, L_SCAN, "Found ICY metadata, genre is '%s'\n", icy_metadata->genre);

	  if (mfi->genre)
	    free(mfi->genre);

	  mfi->genre = strdup(icy_metadata->genre);
	}
      if (icy_metadata)
	http_icy_metadata_free(icy_metadata, 0);
    }

  /* Get some more information on the audio stream */
  if (audio_stream)
    {
      if (audio_stream->codec->sample_rate != 0)
	mfi->samplerate = audio_stream->codec->sample_rate;

      /* Try sample format first */
#if LIBAVUTIL_VERSION_MAJOR >= 52 || (LIBAVUTIL_VERSION_MAJOR == 51 && LIBAVUTIL_VERSION_MINOR >= 4)
      mfi->bits_per_sample = 8 * av_get_bytes_per_sample(audio_stream->codec->sample_fmt);
#elif LIBAVCODEC_VERSION_MAJOR >= 53
      mfi->bits_per_sample = av_get_bits_per_sample_fmt(audio_stream->codec->sample_fmt);
#else
      mfi->bits_per_sample = av_get_bits_per_sample_format(audio_stream->codec->sample_fmt);
#endif
      if (mfi->bits_per_sample == 0)
	{
	  /* Try codec */
	  mfi->bits_per_sample = av_get_bits_per_sample(audio_codec_id);
	}

      DPRINTF(E_DBG, L_SCAN, "samplerate %d, bps %d\n", mfi->samplerate, mfi->bits_per_sample);
    }

  /* Check codec */
  extra_md_map = NULL;
  codec_id = (mfi->has_video) ? video_codec_id : audio_codec_id;
  switch (codec_id)
    {
#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_AAC:
#else
      case CODEC_ID_AAC:
#endif
	DPRINTF(E_DBG, L_SCAN, "AAC\n");
	mfi->type = strdup("m4a");
	mfi->codectype = strdup("mp4a");
	mfi->description = strdup("AAC audio file");
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_ALAC:
#else
      case CODEC_ID_ALAC:
#endif
	DPRINTF(E_DBG, L_SCAN, "ALAC\n");
	mfi->type = strdup("m4a");
	mfi->codectype = strdup("alac");
	mfi->description = strdup("Apple Lossless audio file");
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_FLAC:
#else
      case CODEC_ID_FLAC:
#endif
	DPRINTF(E_DBG, L_SCAN, "FLAC\n");
	mfi->type = strdup("flac");
	mfi->codectype = strdup("flac");
	mfi->description = strdup("FLAC audio file");

	extra_md_map = md_map_vorbis;
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_MUSEPACK7:
      case AV_CODEC_ID_MUSEPACK8:
#else
      case CODEC_ID_MUSEPACK7:
      case CODEC_ID_MUSEPACK8:
#endif
	DPRINTF(E_DBG, L_SCAN, "Musepack\n");
	mfi->type = strdup("mpc");
	mfi->codectype = strdup("mpc");
	mfi->description = strdup("Musepack audio file");
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_MPEG4: /* Video */
      case AV_CODEC_ID_H264:
#else
      case CODEC_ID_MPEG4: /* Video */
      case CODEC_ID_H264:
#endif
	DPRINTF(E_DBG, L_SCAN, "MPEG4 video\n");
	mfi->type = strdup("m4v");
	mfi->codectype = strdup("mp4v");
	mfi->description = strdup("MPEG-4 video file");

	extra_md_map = md_map_tv;
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_MP3:
#else
      case CODEC_ID_MP3:
#endif
	DPRINTF(E_DBG, L_SCAN, "MP3\n");
	mfi->type = strdup("mp3");
	mfi->codectype = strdup("mpeg");
	mfi->description = strdup("MPEG audio file");

	extra_md_map = md_map_id3;
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_VORBIS:
#else
      case CODEC_ID_VORBIS:
#endif
	DPRINTF(E_DBG, L_SCAN, "VORBIS\n");
	mfi->type = strdup("ogg");
	mfi->codectype = strdup("ogg");
	mfi->description = strdup("Ogg Vorbis audio file");

	extra_md_map = md_map_vorbis;
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_WMAV1:
      case AV_CODEC_ID_WMAV2:
      case AV_CODEC_ID_WMAVOICE:
#else
      case CODEC_ID_WMAV1:
      case CODEC_ID_WMAV2:
      case CODEC_ID_WMAVOICE:
#endif
	DPRINTF(E_DBG, L_SCAN, "WMA Voice\n");
	mfi->type = strdup("wma");
	mfi->codectype = strdup("wmav");
	mfi->description = strdup("WMA audio file");
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_WMAPRO:
#else
      case CODEC_ID_WMAPRO:
#endif
	DPRINTF(E_DBG, L_SCAN, "WMA Pro\n");
	mfi->type = strdup("wmap");
	mfi->codectype = strdup("wma");
	mfi->description = strdup("WMA audio file");
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_WMALOSSLESS:
#else
      case CODEC_ID_WMALOSSLESS:
#endif
	DPRINTF(E_DBG, L_SCAN, "WMA Lossless\n");
	mfi->type = strdup("wma");
	mfi->codectype = strdup("wmal");
	mfi->description = strdup("WMA audio file");
	break;

#if LIBAVCODEC_VERSION_MAJOR >= 55 || (LIBAVCODEC_VERSION_MAJOR == 54 && LIBAVCODEC_VERSION_MINOR >= 35)
      case AV_CODEC_ID_PCM_S16LE ... AV_CODEC_ID_PCM_F64LE:
#else
      case CODEC_ID_PCM_S16LE ... CODEC_ID_PCM_F64LE:
#endif
	if (strcmp(ctx->iformat->name, "aiff") == 0)
	  {
	    DPRINTF(E_DBG, L_SCAN, "AIFF\n");
	    mfi->type = strdup("aif");
	    mfi->codectype = strdup("aif");
	    mfi->description = strdup("AIFF audio file");
	    break;
	  }
	else if (strcmp(ctx->iformat->name, "wav") == 0)
	  {
	    DPRINTF(E_DBG, L_SCAN, "WAV\n");
	    mfi->type = strdup("wav");
	    mfi->codectype = strdup("wav");
	    mfi->description = strdup("WAV audio file");
	    break;
	  }
	/* WARNING: will fallthrough to default case, don't move */
	/* FALLTHROUGH */

      default:
	DPRINTF(E_DBG, L_SCAN, "Unknown codec 0x%x (video: %s), format %s (%s)\n",
		codec_id, (mfi->has_video) ? "yes" : "no", ctx->iformat->name, ctx->iformat->long_name);
	mfi->type = strdup("unkn");
	mfi->codectype = strdup("unkn");
	if (mfi->has_video)
	  {
	    mfi->description = strdup("Unknown video file format");
	    extra_md_map = md_map_tv;
	  }
	else
	  mfi->description = strdup("Unknown audio file format");
	break;
    }

  mdcount = 0;

  if ((!ctx->metadata) && (!audio_stream->metadata)
      && (video_stream && !video_stream->metadata))
    {
      DPRINTF(E_WARN, L_SCAN, "ffmpeg reports no metadata\n");

      goto skip_extract;
    }

  if (extra_md_map)
    {
      ret = extract_metadata(mfi, ctx, audio_stream, video_stream, extra_md_map);
      mdcount += ret;

      DPRINTF(E_DBG, L_SCAN, "Picked up %d tags with extra md_map\n", ret);
    }

  ret = extract_metadata(mfi, ctx, audio_stream, video_stream, md_map_generic);
  mdcount += ret;

  DPRINTF(E_DBG, L_SCAN, "Picked up %d tags with generic md_map, %d tags total\n", ret, mdcount);

  /* fix up TV metadata */
  if (mfi->media_kind == 10)
    {
      /* I have no idea why this is, but iTunes reports a media kind of 64 for stik==10 (?!) */
      mfi->media_kind = MEDIA_KIND_TVSHOW;
    }
  /* Unspecified video files are "Movies", media_kind 2 */
  else if (mfi->has_video == 1)
    {
      mfi->media_kind = MEDIA_KIND_MOVIE;
    }

 skip_extract:
#if LIBAVFORMAT_VERSION_MAJOR >= 54 || (LIBAVFORMAT_VERSION_MAJOR == 53 && LIBAVFORMAT_VERSION_MINOR >= 21)
  avformat_close_input(&ctx);
#else
  av_close_input_file(ctx);
#endif

  if (mdcount == 0)
    DPRINTF(E_WARN, L_SCAN, "ffmpeg/libav could not extract any metadata\n");

  /* Just in case there's no title set ... */
  if (mfi->title == NULL)
    mfi->title = strdup(mfi->fname);

  /* All done */

  return 0;
}