static void* download_thread(void *data) { fm_player_t *pl = (fm_player_t*) data; curl_easy_perform(pl->curl); pthread_cond_signal(&pl->cond_play); mpg123_set_filesize(pl->mh, pl->info.file_size); pl->info.samples = mpg123_length(pl->mh); return pl; }
static uint8_t * ReadMP3(Sound_t * Sound, const uint8_t * InData, size_t FileSize){ mpg123_handle *mh; if(mpg123_init() != MPG123_OK || (mh = mpg123_new(NULL, NULL)) == NULL){ mpg123_exit(); return NULL; } long rate; int channels, encoding; unsigned samples; size_t OutSize; uint8_t * OutData; if(mpg123_format_none(mh) != MPG123_OK || mpg123_format(mh, 44100, MPG123_MONO | MPG123_STEREO, MPG123_ENC_SIGNED_16) != MPG123_OK || mpg123_open_feed(mh) != MPG123_OK || mpg123_feed(mh, InData, FileSize) != MPG123_OK || mpg123_set_filesize(mh, FileSize) != MPG123_OK || mpg123_getformat(mh, &rate, &channels, &encoding) != MPG123_OK || (samples = mpg123_length(mh)) == 0 || (OutData = (uint8_t*) malloc(OutSize = samples * channels * 2)) == NULL ){ mpg123_close(mh); mpg123_delete(mh); mpg123_exit(); return NULL; } size_t decoded; mpg123_read(mh, OutData, OutSize, &decoded); mpg123_close(mh); mpg123_delete(mh); mpg123_exit(); if(decoded != OutSize){ free(OutData); return NULL; } Sound->Channels = channels; Sound->SamplingRate = rate; Sound->BitDepth = 16; Sound->Duration = samples; Sound->Data = OutData; return OutData; }
static gboolean xmms_mpg123_init (xmms_xform_t *xform) { xmms_mpg123_data_t *data; const long *rates; size_t num_rates; int encoding; off_t length; int i, result; g_return_val_if_fail (xform, FALSE); data = g_new0 (xmms_mpg123_data_t, 1); xmms_xform_private_data_set (xform, data); /* Get the total size of this stream and store it for later */ if (xmms_xform_metadata_get_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_SIZE, &result)) { data->filesize = result; } mpg123_rates (&rates, &num_rates); data->param = mpg123_new_pars (&result); g_return_val_if_fail (data->param, FALSE); /* Create a quiet (stderr) decoder with auto choosen optimization. * Stuff set here should be tunable via plugin config properties! * You can also change some things during playback... */ mpg123_par (data->param, MPG123_ADD_FLAGS, MPG123_QUIET, 0); mpg123_par (data->param, MPG123_ADD_FLAGS, MPG123_GAPLESS, 0); /* choose: MPG123_RVA_OFF, MPG123_RVA_MIX, MPG123_RVA_ALBUM * xmms2 has its own ReplayGain plugin to handle the RVA field */ mpg123_par (data->param, MPG123_RVA, MPG123_RVA_OFF, 0); /* You could choose a decoder from the list provided by * mpg123_supported_decoders () and give that as second parameter. */ data->decoder = mpg123_parnew (data->param, NULL, &result); if (data->decoder == NULL) { xmms_log_error ("%s", mpg123_plain_strerror (result)); goto bad; } /* Prepare for buffer input feeding. */ result = mpg123_open_feed (data->decoder); if (result != MPG123_OK) { goto mpg123_bad; } /* Let's always decode to signed 16bit for a start. Any mpg123-supported sample rate is accepted. */ if (MPG123_OK != mpg123_format_none (data->decoder)) { goto mpg123_bad; } for (i = 0; i < num_rates; i++) { result = mpg123_format (data->decoder, rates[i], MPG123_MONO | MPG123_STEREO, MPG123_ENC_SIGNED_16); if (result != MPG123_OK) { goto mpg123_bad; } } /* Fetch ID3v1 data from the end of file if possible */ result = xmms_id3v1_get_tags (xform); if (result < 0) { xmms_log_error ("Seeking error when reading ID3v1 tags"); goto bad; } else if (data->filesize > result) { /* Reduce the size of tag data from the filesize */ data->filesize -= result; } /* Read data from input until decoded data is available from decoder */ do { /* Parse stream and get info. */ gint ret; xmms_error_t err; ret = xmms_xform_read (xform, data->buf, BUFSIZE, &err); if (ret < 0) { xmms_log_error ("Error when trying to find beginning of stream"); goto bad; } else if (ret == 0) { /* EOF reached before format was found, handled after loop */ break; } /* With zero output size nothing is actually outputted */ result = mpg123_decode (data->decoder, data->buf, (size_t) ret, NULL, 0, NULL); } while (result == MPG123_NEED_MORE); /* Keep feeding... */ if (result != MPG123_NEW_FORMAT) { xmms_log_error ("Unable to find beginning of stream (%s)!", result == MPG123_ERR ? mpg123_strerror (data->decoder) : "unexpected EOF"); goto bad; } result = mpg123_getformat (data->decoder, &data->samplerate, &data->channels, &encoding); if (result != MPG123_OK) { goto mpg123_bad; } /* Set the filesize so it can be used for duration estimation */ if (data->filesize > 0) { mpg123_set_filesize (data->decoder, data->filesize); } /* Get duration in samples, convert to ms and save to xmms2 */ length = mpg123_length (data->decoder); if (length > 0 && !xmms_xform_metadata_get_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_DURATION, &i)) { length = (off_t) ((gfloat) length / data->samplerate * 1000); xmms_xform_metadata_set_int (xform, XMMS_MEDIALIB_ENTRY_PROPERTY_DURATION, (gint) length); } XMMS_DBG ("mpg123: got stream with %li Hz %i channels, encoding %i", data->samplerate, data->channels, encoding); xmms_xform_outdata_type_add (xform, XMMS_STREAM_TYPE_MIMETYPE, "audio/pcm", XMMS_STREAM_TYPE_FMT_FORMAT, XMMS_SAMPLE_FORMAT_S16, XMMS_STREAM_TYPE_FMT_CHANNELS, data->channels, XMMS_STREAM_TYPE_FMT_SAMPLERATE, (gint) data->samplerate, XMMS_STREAM_TYPE_END); return TRUE; mpg123_bad: xmms_log_error ("mpg123 error: %s", mpg123_strerror (data->decoder)); bad: mpg123_delete (data->decoder); mpg123_delete_pars (data->param); g_free (data); return FALSE; }