/* libxmms-flac - XMMS FLAC input plugin
- * Copyright (C) 2000 Josh Coalson
+ * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "plugin.h"
+
+#include <limits.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
-#include <assert.h>
#include <glib.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <xmms/plugin.h>
+#include <xmms/util.h>
+#include <xmms/configfile.h>
+#include <xmms/titlestring.h>
+
+#ifdef HAVE_LANGINFO_CODESET
+#include <langinfo.h>
+#endif
-#include "xmms/plugin.h"
-#include "xmms/util.h"
#include "FLAC/all.h"
+#include "plugin_common/all.h"
+#include "share/grabbag.h"
+#include "share/replaygain_synthesis.h"
+#include "configure.h"
+#include "charset.h"
+#include "http.h"
+#include "tag.h"
-typedef struct {
- byte raw[128];
- char title[31];
- char artist[31];
- char album[31];
- char comment[31];
- unsigned year;
- unsigned track; /* may be 0 if v1 (not v1.1) tag */
- unsigned genre;
- char description[1024]; /* the formatted description passed to xmms */
-} id3v1_struct;
+#ifdef min
+#undef min
+#endif
+#define min(x,y) ((x)<(y)?(x):(y))
+
+extern void FLAC_XMMS__file_info_box(char *filename);
typedef struct {
- bool abort_flag;
- bool is_playing;
- bool eof;
- unsigned total_samples;
+ FLAC__bool abort_flag;
+ FLAC__bool is_playing;
+ FLAC__bool is_http_source;
+ FLAC__bool eof;
+ FLAC__bool play_thread_open; /* if true, is_playing must also be true */
+ FLAC__uint64 total_samples;
unsigned bits_per_sample;
unsigned channels;
unsigned sample_rate;
- unsigned length_in_msec;
+ int length_in_msec; /* int (instead of FLAC__uint64) only because that's what XMMS uses; seeking won't work right if this maxes out */
+ gchar *title;
+ AFormat sample_format;
+ unsigned sample_format_bytes_per_sample;
int seek_to_in_sec;
-} file_info_struct;
+ FLAC__bool has_replaygain;
+ double replay_scale;
+ DitherContext dither_context;
+} stream_data_struct;
-static void FLAC_XMMS__init();
+static void FLAC_XMMS__init(void);
static int FLAC_XMMS__is_our_file(char *filename);
static void FLAC_XMMS__play_file(char *filename);
-static void FLAC_XMMS__stop();
+static void FLAC_XMMS__stop(void);
static void FLAC_XMMS__pause(short p);
static void FLAC_XMMS__seek(int time);
-static int FLAC_XMMS__get_time();
-static void FLAC_XMMS__cleanup();
+static int FLAC_XMMS__get_time(void);
+static void FLAC_XMMS__cleanup(void);
static void FLAC_XMMS__get_song_info(char *filename, char **title, int *length);
static void *play_loop_(void *arg);
-static bool decoder_init_(const char *filename);
-static bool get_id3v1_tag_(const char *filename, id3v1_struct *tag);
-static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__FileDecoder *decoder, const FLAC__FrameHeader *header, const int32 *buffer[], void *client_data);
-static void metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data);
-static void error_callback_(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
+static FLAC__bool safe_decoder_init_(const char *filename, FLAC__StreamDecoder *decoder);
+static void safe_decoder_finish_(FLAC__StreamDecoder *decoder);
+static void safe_decoder_delete_(FLAC__StreamDecoder *decoder);
+
+static FLAC__StreamDecoderReadStatus http_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
+static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
+static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
+static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
InputPlugin flac_ip =
{
NULL,
NULL,
- "FLAC Player v" FLAC__VERSION_STRING,
+ "FLAC Player v" VERSION,
FLAC_XMMS__init,
- NULL,
- NULL,
+ FLAC_XMMS__aboutbox,
+ FLAC_XMMS__configure,
FLAC_XMMS__is_our_file,
NULL,
FLAC_XMMS__play_file,
NULL,
NULL,
FLAC_XMMS__get_song_info,
- NULL, /* file_info_box */
+ FLAC_XMMS__file_info_box,
NULL
};
-static int16 reservoir_[FLAC__MAX_BLOCK_SIZE * 2]; /* 2 for max channels */
-static unsigned reservoir_samples_;
-static FLAC__FileDecoder *decoder_;
-static file_info_struct file_info_;
+#define SAMPLES_PER_WRITE 512
+#define SAMPLE_BUFFER_SIZE ((FLAC__MAX_BLOCK_SIZE + SAMPLES_PER_WRITE) * FLAC_PLUGIN__MAX_SUPPORTED_CHANNELS * (24/8))
+static FLAC__byte sample_buffer_[SAMPLE_BUFFER_SIZE];
+static unsigned sample_buffer_first_, sample_buffer_last_;
+
+static FLAC__StreamDecoder *decoder_ = 0;
+static stream_data_struct stream_data_;
static pthread_t decode_thread_;
-static bool audio_error_ = false;
+static FLAC__bool audio_error_ = false;
+static FLAC__bool is_big_endian_host_;
+
+#define BITRATE_HIST_SEGMENT_MSEC 500
+/* 500ms * 50 = 25s should be enough */
+#define BITRATE_HIST_SIZE 50
+static unsigned bitrate_history_[BITRATE_HIST_SIZE];
-InputPlugin *get_iplugin_info()
+
+InputPlugin *get_iplugin_info(void)
{
- flac_ip.description = g_strdup_printf("FLAC Player v%u.%u", FLAC__MAJOR_VERSION, FLAC__MINOR_VERSION);
+ flac_ip.description = g_strdup_printf("Reference FLAC Player v%s", FLAC__VERSION_STRING);
return &flac_ip;
}
-void FLAC_XMMS__init()
+void set_track_info(const char* title, int length_in_msec)
+{
+ if (stream_data_.is_playing) {
+ flac_ip.set_info((char*) title, length_in_msec, stream_data_.sample_rate * stream_data_.channels * stream_data_.bits_per_sample, stream_data_.sample_rate, stream_data_.channels);
+ }
+}
+
+static gchar* homedir(void)
{
- decoder_ = FLAC__file_decoder_get_new_instance();
+ gchar *result;
+ char *env_home = getenv("HOME");
+ if (env_home) {
+ result = g_strdup (env_home);
+ } else {
+ uid_t uid = getuid();
+ struct passwd *pwent;
+ do {
+ pwent = getpwent();
+ } while (pwent && pwent->pw_uid != uid);
+ result = pwent ? g_strdup (pwent->pw_dir) : NULL;
+ endpwent();
+ }
+ return result;
+}
+
+static FLAC__bool is_http_source(const char *source)
+{
+ return 0 == strncasecmp(source, "http://", 7);
+}
+
+void FLAC_XMMS__init(void)
+{
+ ConfigFile *cfg;
+ FLAC__uint32 test = 1;
+
+ is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
+
+ flac_cfg.title.tag_override = FALSE;
+ if (flac_cfg.title.tag_format)
+ g_free(flac_cfg.title.tag_format);
+ flac_cfg.title.convert_char_set = FALSE;
+
+ cfg = xmms_cfg_open_default_file();
+
+ /* title */
+
+ xmms_cfg_read_boolean(cfg, "flac", "title.tag_override", &flac_cfg.title.tag_override);
+
+ if(!xmms_cfg_read_string(cfg, "flac", "title.tag_format", &flac_cfg.title.tag_format))
+ flac_cfg.title.tag_format = g_strdup("%p - %t");
+
+ xmms_cfg_read_boolean(cfg, "flac", "title.convert_char_set", &flac_cfg.title.convert_char_set);
+
+ if(!xmms_cfg_read_string(cfg, "flac", "title.user_char_set", &flac_cfg.title.user_char_set))
+ flac_cfg.title.user_char_set = FLAC_plugin__charset_get_current();
+
+ /* replaygain */
+
+ xmms_cfg_read_boolean(cfg, "flac", "output.replaygain.enable", &flac_cfg.output.replaygain.enable);
+
+ xmms_cfg_read_boolean(cfg, "flac", "output.replaygain.album_mode", &flac_cfg.output.replaygain.album_mode);
+
+ if(!xmms_cfg_read_int(cfg, "flac", "output.replaygain.preamp", &flac_cfg.output.replaygain.preamp))
+ flac_cfg.output.replaygain.preamp = 0;
+
+ xmms_cfg_read_boolean(cfg, "flac", "output.replaygain.hard_limit", &flac_cfg.output.replaygain.hard_limit);
+
+ xmms_cfg_read_boolean(cfg, "flac", "output.resolution.normal.dither_24_to_16", &flac_cfg.output.resolution.normal.dither_24_to_16);
+ xmms_cfg_read_boolean(cfg, "flac", "output.resolution.replaygain.dither", &flac_cfg.output.resolution.replaygain.dither);
+
+ if(!xmms_cfg_read_int(cfg, "flac", "output.resolution.replaygain.noise_shaping", &flac_cfg.output.resolution.replaygain.noise_shaping))
+ flac_cfg.output.resolution.replaygain.noise_shaping = 1;
+
+ if(!xmms_cfg_read_int(cfg, "flac", "output.resolution.replaygain.bps_out", &flac_cfg.output.resolution.replaygain.bps_out))
+ flac_cfg.output.resolution.replaygain.bps_out = 16;
+
+ /* stream */
+
+ xmms_cfg_read_int(cfg, "flac", "stream.http_buffer_size", &flac_cfg.stream.http_buffer_size);
+ xmms_cfg_read_int(cfg, "flac", "stream.http_prebuffer", &flac_cfg.stream.http_prebuffer);
+ xmms_cfg_read_boolean(cfg, "flac", "stream.use_proxy", &flac_cfg.stream.use_proxy);
+ if(flac_cfg.stream.proxy_host)
+ g_free(flac_cfg.stream.proxy_host);
+ if(!xmms_cfg_read_string(cfg, "flac", "stream.proxy_host", &flac_cfg.stream.proxy_host))
+ flac_cfg.stream.proxy_host = g_strdup("");
+ xmms_cfg_read_int(cfg, "flac", "stream.proxy_port", &flac_cfg.stream.proxy_port);
+ xmms_cfg_read_boolean(cfg, "flac", "stream.proxy_use_auth", &flac_cfg.stream.proxy_use_auth);
+ if(flac_cfg.stream.proxy_user)
+ g_free(flac_cfg.stream.proxy_user);
+ flac_cfg.stream.proxy_user = NULL;
+ xmms_cfg_read_string(cfg, "flac", "stream.proxy_user", &flac_cfg.stream.proxy_user);
+ if(flac_cfg.stream.proxy_pass)
+ g_free(flac_cfg.stream.proxy_pass);
+ flac_cfg.stream.proxy_pass = NULL;
+ xmms_cfg_read_string(cfg, "flac", "stream.proxy_pass", &flac_cfg.stream.proxy_pass);
+ xmms_cfg_read_boolean(cfg, "flac", "stream.save_http_stream", &flac_cfg.stream.save_http_stream);
+ if (flac_cfg.stream.save_http_path)
+ g_free (flac_cfg.stream.save_http_path);
+ if (!xmms_cfg_read_string(cfg, "flac", "stream.save_http_path", &flac_cfg.stream.save_http_path) || ! *flac_cfg.stream.save_http_path) {
+ if (flac_cfg.stream.save_http_path)
+ g_free (flac_cfg.stream.save_http_path);
+ flac_cfg.stream.save_http_path = homedir();
+ }
+ xmms_cfg_read_boolean(cfg, "flac", "stream.cast_title_streaming", &flac_cfg.stream.cast_title_streaming);
+ xmms_cfg_read_boolean(cfg, "flac", "stream.use_udp_channel", &flac_cfg.stream.use_udp_channel);
+
+ decoder_ = FLAC__stream_decoder_new();
+
+ xmms_cfg_free(cfg);
}
int FLAC_XMMS__is_our_file(char *filename)
char *ext;
ext = strrchr(filename, '.');
- if (ext)
- if (!strcasecmp(ext, ".flac") || !strcasecmp(ext, ".fla"))
+ if(ext)
+ if(!strcasecmp(ext, ".flac") || !strcasecmp(ext, ".fla"))
return 1;
return 0;
}
void FLAC_XMMS__play_file(char *filename)
{
FILE *f;
- id3v1_struct tag;
- if(0 == (f = fopen(filename, "r")))
+ sample_buffer_first_ = sample_buffer_last_ = 0;
+ audio_error_ = false;
+ stream_data_.abort_flag = false;
+ stream_data_.is_playing = false;
+ stream_data_.is_http_source = is_http_source(filename);
+ stream_data_.eof = false;
+ stream_data_.play_thread_open = false;
+ stream_data_.has_replaygain = false;
+
+ if(!is_http_source(filename)) {
+ if(0 == (f = fopen(filename, "r")))
+ return;
+ fclose(f);
+ }
+
+ if(decoder_ == 0)
return;
- fclose(f);
- if(!decoder_init_(filename))
+ if(!safe_decoder_init_(filename, decoder_))
return;
- reservoir_samples_ = 0;
- audio_error_ = false;
- file_info_.is_playing = true;
- file_info_.eof = false;
+ if(stream_data_.has_replaygain && flac_cfg.output.replaygain.enable) {
+ if(flac_cfg.output.resolution.replaygain.bps_out == 8) {
+ stream_data_.sample_format = FMT_U8;
+ stream_data_.sample_format_bytes_per_sample = 1;
+ }
+ else if(flac_cfg.output.resolution.replaygain.bps_out == 16) {
+ stream_data_.sample_format = (is_big_endian_host_) ? FMT_S16_BE : FMT_S16_LE;
+ stream_data_.sample_format_bytes_per_sample = 2;
+ }
+ else {
+ /*@@@ need some error here like wa2: MessageBox(mod_.hMainWindow, "ERROR: plugin can only handle 8/16-bit samples\n", "ERROR: plugin can only handle 8/16-bit samples", 0); */
+ fprintf(stderr, "libxmms-flac: can't handle %d bit output\n", flac_cfg.output.resolution.replaygain.bps_out);
+ safe_decoder_finish_(decoder_);
+ return;
+ }
+ }
+ else {
+ if(stream_data_.bits_per_sample == 8) {
+ stream_data_.sample_format = FMT_U8;
+ stream_data_.sample_format_bytes_per_sample = 1;
+ }
+ else if(stream_data_.bits_per_sample == 16 || (stream_data_.bits_per_sample == 24 && flac_cfg.output.resolution.normal.dither_24_to_16)) {
+ stream_data_.sample_format = (is_big_endian_host_) ? FMT_S16_BE : FMT_S16_LE;
+ stream_data_.sample_format_bytes_per_sample = 2;
+ }
+ else {
+ /*@@@ need some error here like wa2: MessageBox(mod_.hMainWindow, "ERROR: plugin can only handle 8/16-bit samples\n", "ERROR: plugin can only handle 8/16-bit samples", 0); */
+ fprintf(stderr, "libxmms-flac: can't handle %d bit output\n", stream_data_.bits_per_sample);
+ safe_decoder_finish_(decoder_);
+ return;
+ }
+ }
+ FLAC__replaygain_synthesis__init_dither_context(&stream_data_.dither_context, stream_data_.sample_format_bytes_per_sample * 8, flac_cfg.output.resolution.replaygain.noise_shaping);
+ stream_data_.is_playing = true;
- if (flac_ip.output->open_audio(FMT_S16_NE, file_info_.sample_rate, file_info_.channels) == 0) {
+ if(flac_ip.output->open_audio(stream_data_.sample_format, stream_data_.sample_rate, stream_data_.channels) == 0) {
audio_error_ = true;
- if(decoder_ && decoder_->state != FLAC__FILE_DECODER_UNINITIALIZED)
- FLAC__file_decoder_finish(decoder_);
+ safe_decoder_finish_(decoder_);
return;
}
- (void)get_id3v1_tag_(filename, &tag);
- flac_ip.set_info(tag.description, file_info_.length_in_msec, file_info_.sample_rate * file_info_.channels * file_info_.bits_per_sample, file_info_.sample_rate, file_info_.channels);
+ stream_data_.title = flac_format_song_title(filename);
+ flac_ip.set_info(stream_data_.title, stream_data_.length_in_msec, stream_data_.sample_rate * stream_data_.channels * stream_data_.bits_per_sample, stream_data_.sample_rate, stream_data_.channels);
- file_info_.seek_to_in_sec = -1;
+ stream_data_.seek_to_in_sec = -1;
+ stream_data_.play_thread_open = true;
pthread_create(&decode_thread_, NULL, play_loop_, NULL);
}
-void FLAC_XMMS__stop()
+void FLAC_XMMS__stop(void)
{
- if(file_info_.is_playing) {
- file_info_.is_playing = false;
- pthread_join(decode_thread_, NULL);
+ if(stream_data_.is_playing) {
+ stream_data_.is_playing = false;
+ if(stream_data_.play_thread_open) {
+ stream_data_.play_thread_open = false;
+ pthread_join(decode_thread_, NULL);
+ }
flac_ip.output->close_audio();
- if(decoder_ && decoder_->state != FLAC__FILE_DECODER_UNINITIALIZED)
- FLAC__file_decoder_finish(decoder_);
+ safe_decoder_finish_(decoder_);
}
}
void FLAC_XMMS__seek(int time)
{
- file_info_.seek_to_in_sec = time;
- file_info_.eof = false;
+ if(!stream_data_.is_http_source) {
+ stream_data_.seek_to_in_sec = time;
+ stream_data_.eof = false;
- while(file_info_.seek_to_in_sec != -1)
- xmms_usleep(10000);
+ while(stream_data_.seek_to_in_sec != -1)
+ xmms_usleep(10000);
+ }
}
-int FLAC_XMMS__get_time()
+int FLAC_XMMS__get_time(void)
{
if(audio_error_)
return -2;
- if(!file_info_.is_playing || (file_info_.eof && !flac_ip.output->buffer_playing()))
+ if(!stream_data_.is_playing || (stream_data_.eof && !flac_ip.output->buffer_playing()))
return -1;
else
return flac_ip.output->output_time();
}
-void FLAC_XMMS__cleanup()
+void FLAC_XMMS__cleanup(void)
{
- if(decoder_)
- FLAC__file_decoder_free_instance(decoder_);
+ safe_decoder_delete_(decoder_);
+ decoder_ = 0;
}
void FLAC_XMMS__get_song_info(char *filename, char **title, int *length_in_msec)
{
- id3v1_struct tag;
+ FLAC__StreamMetadata streaminfo;
+
+ if(0 == filename)
+ filename = "";
+
+ if(!FLAC__metadata_get_streaminfo(filename, &streaminfo)) {
+ /* @@@ how to report the error? */
+ if(title) {
+ if (!is_http_source(filename)) {
+ static const char *errtitle = "Invalid FLAC File: ";
+ if(strlen(errtitle) + 1 + strlen(filename) + 1 + 1 < strlen(filename)) { /* overflow check */
+ *title = NULL;
+ }
+ else {
+ size_t len = strlen(errtitle) + 1 + strlen(filename) + 1 + 1;
+ *title = g_malloc(len);
+ flac_snprintf(*title, len, "%s\"%s\"", errtitle, filename);
+ }
+ } else {
+ *title = NULL;
+ }
+ }
+ if(length_in_msec)
+ *length_in_msec = -1;
+ return;
+ }
if(title) {
- (void)get_id3v1_tag_(filename, &tag);
- *title = g_malloc(strlen(tag.description)+1);
- strcpy(*title, tag.description);
+ *title = flac_format_song_title(filename);
}
if(length_in_msec) {
- FLAC__FileDecoder *tmp_decoder = FLAC__file_decoder_get_new_instance();
- file_info_struct tmp_file_info;
- if(0 == tmp_decoder) {
- *length_in_msec = -1;
- return;
- }
- tmp_file_info.abort_flag = false;
- tmp_decoder->check_md5 = false; /* turn off MD5 checking in the decoder */
- if(FLAC__file_decoder_init(tmp_decoder, filename, write_callback_, metadata_callback_, error_callback_, &tmp_file_info) != FLAC__FILE_DECODER_OK) {
- *length_in_msec = -1;
- return;
- }
- if(!FLAC__file_decoder_process_metadata(tmp_decoder)) {
- *length_in_msec = -1;
- return;
- }
-
- *length_in_msec = (int)tmp_file_info.length_in_msec;
-
- if(tmp_decoder->state != FLAC__FILE_DECODER_UNINITIALIZED)
- FLAC__file_decoder_finish(tmp_decoder);
- FLAC__file_decoder_free_instance(tmp_decoder);
+ FLAC__uint64 l = (FLAC__uint64)((double)streaminfo.data.stream_info.total_samples / (double)streaminfo.data.stream_info.sample_rate * 1000.0 + 0.5);
+ if (l > INT_MAX)
+ l = INT_MAX;
+ *length_in_msec = (int)l;
}
}
void *play_loop_(void *arg)
{
+ unsigned written_time_last = 0, bh_index_last_w = 0, bh_index_last_o = BITRATE_HIST_SIZE, blocksize = 1;
+ FLAC__uint64 decode_position_last = 0, decode_position_frame_last = 0, decode_position_frame = 0;
(void)arg;
- while(file_info_.is_playing) {
- if(!file_info_.eof) {
- (void)FLAC__file_decoder_process_one_frame(decoder_);
- if(reservoir_samples_ > 0) {
- unsigned bytes = reservoir_samples_ * ((file_info_.bits_per_sample+7)/8) * file_info_.channels;
- flac_ip.add_vis_pcm(flac_ip.output->written_time(), FMT_S16_NE, file_info_.channels, bytes, (char*)reservoir_);
- while(flac_ip.output->buffer_free() < (int)bytes && file_info_.is_playing && file_info_.seek_to_in_sec == -1)
+ while(stream_data_.is_playing) {
+ if(!stream_data_.eof) {
+ while(sample_buffer_last_ - sample_buffer_first_ < SAMPLES_PER_WRITE) {
+ unsigned s;
+
+ s = sample_buffer_last_ - sample_buffer_first_;
+ if(FLAC__stream_decoder_get_state(decoder_) == FLAC__STREAM_DECODER_END_OF_STREAM) {
+ stream_data_.eof = true;
+ break;
+ }
+ else if(!FLAC__stream_decoder_process_single(decoder_)) {
+ /*@@@ this should probably be a dialog */
+ fprintf(stderr, "libxmms-flac: READ ERROR processing frame\n");
+ stream_data_.eof = true;
+ break;
+ }
+ blocksize = sample_buffer_last_ - sample_buffer_first_ - s;
+ decode_position_frame_last = decode_position_frame;
+ if(stream_data_.is_http_source || !FLAC__stream_decoder_get_decode_position(decoder_, &decode_position_frame))
+ decode_position_frame = 0;
+ }
+ if(sample_buffer_last_ - sample_buffer_first_ > 0) {
+ const unsigned n = min(sample_buffer_last_ - sample_buffer_first_, SAMPLES_PER_WRITE);
+ int bytes = n * stream_data_.channels * stream_data_.sample_format_bytes_per_sample;
+ FLAC__byte *sample_buffer_start = sample_buffer_ + sample_buffer_first_ * stream_data_.channels * stream_data_.sample_format_bytes_per_sample;
+ unsigned written_time, bh_index_w;
+ FLAC__uint64 decode_position;
+
+ sample_buffer_first_ += n;
+ flac_ip.add_vis_pcm(flac_ip.output->written_time(), stream_data_.sample_format, stream_data_.channels, bytes, sample_buffer_start);
+ while(flac_ip.output->buffer_free() < (int)bytes && stream_data_.is_playing && stream_data_.seek_to_in_sec == -1)
xmms_usleep(10000);
- if(file_info_.is_playing && file_info_.seek_to_in_sec == -1)
- flac_ip.output->write_audio((char*)reservoir_, bytes);
- reservoir_samples_ = 0;
+ if(stream_data_.is_playing && stream_data_.seek_to_in_sec == -1)
+ flac_ip.output->write_audio(sample_buffer_start, bytes);
+
+ /* compute current bitrate */
+
+ written_time = flac_ip.output->written_time();
+ bh_index_w = written_time / BITRATE_HIST_SEGMENT_MSEC % BITRATE_HIST_SIZE;
+ if(bh_index_w != bh_index_last_w) {
+ bh_index_last_w = bh_index_w;
+ decode_position = decode_position_frame - (double)(sample_buffer_last_ - sample_buffer_first_) * (double)(decode_position_frame - decode_position_frame_last) / (double)blocksize;
+ bitrate_history_[(bh_index_w + BITRATE_HIST_SIZE - 1) % BITRATE_HIST_SIZE] =
+ decode_position > decode_position_last && written_time > written_time_last ?
+ 8000 * (decode_position - decode_position_last) / (written_time - written_time_last) :
+ stream_data_.sample_rate * stream_data_.channels * stream_data_.bits_per_sample;
+ decode_position_last = decode_position;
+ written_time_last = written_time;
+ }
}
else {
- file_info_.eof = true;
+ stream_data_.eof = true;
xmms_usleep(10000);
}
}
else
xmms_usleep(10000);
- if (file_info_.seek_to_in_sec != -1) {
- const double distance = (double)file_info_.seek_to_in_sec * 1000.0 / (double)file_info_.length_in_msec;
- unsigned target_sample = (unsigned)(distance * (double)file_info_.total_samples);
- if(FLAC__file_decoder_seek_absolute(decoder_, (uint64)target_sample)) {
- flac_ip.output->flush(file_info_.seek_to_in_sec * 1000);
- file_info_.seek_to_in_sec = -1;
- file_info_.eof = false;
+ if(!stream_data_.is_http_source && stream_data_.seek_to_in_sec != -1) {
+ const double distance = (double)stream_data_.seek_to_in_sec * 1000.0 / (double)stream_data_.length_in_msec;
+ FLAC__uint64 target_sample = (FLAC__uint64)(distance * (double)stream_data_.total_samples);
+ if(stream_data_.total_samples > 0 && target_sample >= stream_data_.total_samples)
+ target_sample = stream_data_.total_samples - 1;
+ if(FLAC__stream_decoder_seek_absolute(decoder_, target_sample)) {
+ flac_ip.output->flush(stream_data_.seek_to_in_sec * 1000);
+ bh_index_last_w = bh_index_last_o = flac_ip.output->output_time() / BITRATE_HIST_SEGMENT_MSEC % BITRATE_HIST_SIZE;
+ if(!FLAC__stream_decoder_get_decode_position(decoder_, &decode_position_frame))
+ decode_position_frame = 0;
+ stream_data_.eof = false;
+ sample_buffer_first_ = sample_buffer_last_ = 0;
+ }
+ else if(FLAC__stream_decoder_get_state(decoder_) == FLAC__STREAM_DECODER_SEEK_ERROR) {
+ /*@@@ this should probably be a dialog */
+ fprintf(stderr, "libxmms-flac: SEEK ERROR\n");
+ FLAC__stream_decoder_flush(decoder_);
+ stream_data_.eof = false;
+ sample_buffer_first_ = sample_buffer_last_ = 0;
+ }
+ stream_data_.seek_to_in_sec = -1;
+ }
+ else {
+ /* display the right bitrate from history */
+ unsigned bh_index_o = flac_ip.output->output_time() / BITRATE_HIST_SEGMENT_MSEC % BITRATE_HIST_SIZE;
+ if(bh_index_o != bh_index_last_o && bh_index_o != bh_index_last_w && bh_index_o != (bh_index_last_w + 1) % BITRATE_HIST_SIZE) {
+ bh_index_last_o = bh_index_o;
+ flac_ip.set_info(stream_data_.title, stream_data_.length_in_msec, bitrate_history_[bh_index_o], stream_data_.sample_rate, stream_data_.channels);
}
}
-
}
- if(decoder_ && decoder_->state != FLAC__FILE_DECODER_UNINITIALIZED)
- FLAC__file_decoder_finish(decoder_);
+
+ safe_decoder_finish_(decoder_);
/* are these two calls necessary? */
flac_ip.output->buffer_free();
flac_ip.output->buffer_free();
+ g_free(stream_data_.title);
+
pthread_exit(NULL);
return 0; /* to silence the compiler warning about not returning a value */
}
-bool decoder_init_(const char *filename)
+FLAC__bool safe_decoder_init_(const char *filename, FLAC__StreamDecoder *decoder)
{
- if(decoder_ == 0)
+ if(decoder == 0)
return false;
- decoder_->check_md5 = false; /* turn off MD5 checking in the decoder */
-
- if(FLAC__file_decoder_init(decoder_, filename, write_callback_, metadata_callback_, error_callback_, &file_info_) != FLAC__FILE_DECODER_OK)
- return false;
+ safe_decoder_finish_(decoder);
- file_info_.abort_flag = false;
+ FLAC__stream_decoder_set_md5_checking(decoder, false);
+ FLAC__stream_decoder_set_metadata_ignore_all(decoder);
+ FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_STREAMINFO);
+ FLAC__stream_decoder_set_metadata_respond(decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT);
+ if(stream_data_.is_http_source) {
+ flac_http_open(filename, 0);
+ if(FLAC__stream_decoder_init_stream(decoder, http_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, write_callback_, metadata_callback_, error_callback_, /*client_data=*/&stream_data_) != FLAC__STREAM_DECODER_INIT_STATUS_OK)
+ return false;
+ }
+ else {
+ if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, /*client_data=*/&stream_data_) != FLAC__STREAM_DECODER_INIT_STATUS_OK)
+ return false;
+ }
- if(!FLAC__file_decoder_process_metadata(decoder_))
+ if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder))
return false;
return true;
}
-bool get_id3v1_tag_(const char *filename, id3v1_struct *tag)
+void safe_decoder_finish_(FLAC__StreamDecoder *decoder)
{
- const char *temp;
- FILE *f = fopen(filename, "rb");
- memset(tag, 0, sizeof(id3v1_struct));
-
- /* set the description to the filename by default */
- temp = strrchr(filename, '/');
- if(!temp)
- temp = filename;
- else
- temp++;
- strcpy(tag->description, temp);
- *strrchr(tag->description, '.') = '\0';
+ if(decoder && FLAC__stream_decoder_get_state(decoder) != FLAC__STREAM_DECODER_UNINITIALIZED)
+ (void)FLAC__stream_decoder_finish(decoder);
+ if(stream_data_.is_http_source)
+ flac_http_close();
+}
- if(0 == f)
- return false;
- if(-1 == fseek(f, -128, SEEK_END)) {
- fclose(f);
- return false;
- }
- if(fread(tag->raw, 1, 128, f) < 128) {
- fclose(f);
- return false;
+void safe_decoder_delete_(FLAC__StreamDecoder *decoder)
+{
+ if(decoder) {
+ safe_decoder_finish_(decoder);
+ FLAC__stream_decoder_delete(decoder);
}
- fclose(f);
- if(strncmp(tag->raw, "TAG", 3))
- return false;
- else {
- char year_str[5];
-
- memcpy(tag->title, tag->raw+3, 30);
- memcpy(tag->artist, tag->raw+33, 30);
- memcpy(tag->album, tag->raw+63, 30);
- memcpy(year_str, tag->raw+93, 4); year_str[4] = '\0'; tag->year = atoi(year_str);
- memcpy(tag->comment, tag->raw+97, 30);
- tag->genre = (unsigned)((byte)tag->raw[127]);
- tag->track = (unsigned)((byte)tag->raw[126]);
-
- sprintf(tag->description, "%s - %s", tag->artist, tag->title);
+}
- return true;
- }
+FLAC__StreamDecoderReadStatus http_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
+{
+ (void)decoder;
+ (void)client_data;
+ *bytes = flac_http_read(buffer, *bytes);
+ return *bytes ? FLAC__STREAM_DECODER_READ_STATUS_CONTINUE : FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
}
-FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__FileDecoder *decoder, const FLAC__FrameHeader *header, const int32 *buffer[], void *client_data)
+FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
{
- file_info_struct *file_info = (file_info_struct *)client_data;
- unsigned bps = file_info->bits_per_sample, channels = file_info->channels;
- unsigned wide_samples = header->blocksize, wide_sample, sample, channel;
+ stream_data_struct *stream_data = (stream_data_struct *)client_data;
+ const unsigned channels = stream_data->channels, wide_samples = frame->header.blocksize;
+ const unsigned bits_per_sample = stream_data->bits_per_sample;
+ FLAC__byte *sample_buffer_start;
(void)decoder;
- if(file_info->abort_flag)
- return FLAC__STREAM_DECODER_WRITE_ABORT;
-
- assert(bps == 16);
+ if(stream_data->abort_flag)
+ return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
- for(channel = 0; channel < channels; channel++, sample++)
- reservoir_[sample] = (int16)buffer[channel][wide_sample];
+ if((sample_buffer_last_ + wide_samples) > (SAMPLE_BUFFER_SIZE / (channels * stream_data->sample_format_bytes_per_sample))) {
+ memmove(sample_buffer_, sample_buffer_ + sample_buffer_first_ * channels * stream_data->sample_format_bytes_per_sample, (sample_buffer_last_ - sample_buffer_first_) * channels * stream_data->sample_format_bytes_per_sample);
+ sample_buffer_last_ -= sample_buffer_first_;
+ sample_buffer_first_ = 0;
+ }
+ sample_buffer_start = sample_buffer_ + sample_buffer_last_ * channels * stream_data->sample_format_bytes_per_sample;
+ if(stream_data->has_replaygain && flac_cfg.output.replaygain.enable) {
+ FLAC__replaygain_synthesis__apply_gain(
+ sample_buffer_start,
+ !is_big_endian_host_,
+ stream_data->sample_format_bytes_per_sample == 1, /* unsigned_data_out */
+ buffer,
+ wide_samples,
+ channels,
+ bits_per_sample,
+ stream_data->sample_format_bytes_per_sample * 8,
+ stream_data->replay_scale,
+ flac_cfg.output.replaygain.hard_limit,
+ flac_cfg.output.resolution.replaygain.dither,
+ &stream_data->dither_context
+ );
+ }
+ else if(is_big_endian_host_) {
+ FLAC__plugin_common__pack_pcm_signed_big_endian(
+ sample_buffer_start,
+ buffer,
+ wide_samples,
+ channels,
+ bits_per_sample,
+ stream_data->sample_format_bytes_per_sample * 8
+ );
+ }
+ else {
+ FLAC__plugin_common__pack_pcm_signed_little_endian(
+ sample_buffer_start,
+ buffer,
+ wide_samples,
+ channels,
+ bits_per_sample,
+ stream_data->sample_format_bytes_per_sample * 8
+ );
+ }
- reservoir_samples_ = wide_samples;
+ sample_buffer_last_ += wide_samples;
- return FLAC__STREAM_DECODER_WRITE_CONTINUE;
+ return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
-void metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data)
+void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
{
- file_info_struct *file_info = (file_info_struct *)client_data;
+ stream_data_struct *stream_data = (stream_data_struct *)client_data;
(void)decoder;
- if(metadata->type == FLAC__METADATA_TYPE_ENCODING) {
- assert(metadata->data.encoding.total_samples < 0x100000000); /* this plugin can only handle < 4 gigasamples */
- file_info->total_samples = (unsigned)(metadata->data.encoding.total_samples&0xffffffff);
- file_info->bits_per_sample = metadata->data.encoding.bits_per_sample;
- file_info->channels = metadata->data.encoding.channels;
- file_info->sample_rate = metadata->data.encoding.sample_rate;
-
- if(file_info->bits_per_sample != 16) {
- file_info->abort_flag = true;
- return;
+ if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
+ stream_data->total_samples = metadata->data.stream_info.total_samples;
+ stream_data->bits_per_sample = metadata->data.stream_info.bits_per_sample;
+ stream_data->channels = metadata->data.stream_info.channels;
+ stream_data->sample_rate = metadata->data.stream_info.sample_rate;
+ {
+ FLAC__uint64 l = (FLAC__uint64)((double)stream_data->total_samples / (double)stream_data->sample_rate * 1000.0 + 0.5);
+ if (l > INT_MAX)
+ l = INT_MAX;
+ stream_data->length_in_msec = (int)l;
+ }
+ }
+ else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
+ double reference, gain, peak;
+ if(grabbag__replaygain_load_from_vorbiscomment(metadata, flac_cfg.output.replaygain.album_mode, /*strict=*/false, &reference, &gain, &peak)) {
+ stream_data->has_replaygain = true;
+ stream_data->replay_scale = grabbag__replaygain_compute_scale_factor(peak, gain, (double)flac_cfg.output.replaygain.preamp, /*prevent_clipping=*/!flac_cfg.output.replaygain.hard_limit);
}
- file_info->length_in_msec = file_info->total_samples * 10 / (file_info->sample_rate / 100);
}
}
-void error_callback_(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
+void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
{
- file_info_struct *file_info = (file_info_struct *)client_data;
+ stream_data_struct *stream_data = (stream_data_struct *)client_data;
(void)decoder;
- if(status != FLAC__STREAM_DECODER_ERROR_LOST_SYNC)
- file_info->abort_flag = true;
+ if(status != FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC)
+ stream_data->abort_flag = true;
}