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merge down from merged-API-layer branch: cvs -q up -dP -j API_LAYER_MERGING_BASELINE -j API_LAYER_MERGING_BRANCH

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This commit is contained in:
Josh Coalson
2006-09-13 01:42:27 +00:00
parent 461f3eb260
commit 6b21f66784
156 changed files with 8320 additions and 31342 deletions
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2
src/plugin_xmms/http.c
View File

@@ -709,7 +709,7 @@ static void *http_buffer_loop(void *arg)
return NULL; /* avoid compiler warning */
}
int flac_http_open(gchar * _url, guint64 _offset)
int flac_http_open(const gchar * _url, guint64 _offset)
{
gchar *url;

2
src/plugin_xmms/http.h
View File

@@ -18,7 +18,7 @@
#ifndef FLAC__PLUGIN_XMMS__HTTP_H
#define FLAC__PLUGIN_XMMS__HTTP_H
extern int flac_http_open(gchar * url, guint64 offset);
extern int flac_http_open(const gchar * url, guint64 offset);
extern void flac_http_close(void);
extern int flac_http_read(gpointer data, gint length);

469
src/plugin_xmms/plugin.c
View File

@@ -58,6 +58,7 @@ extern void FLAC_XMMS__file_info_box(char *filename);
typedef struct {
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;
@@ -72,36 +73,7 @@ typedef struct {
FLAC__bool has_replaygain;
double replay_scale;
DitherContext dither_context;
} file_info_struct;
typedef FLAC__StreamDecoderWriteStatus (*WriteCallback) (const void *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
typedef void (*MetadataCallback) (const void *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
typedef void (*ErrorCallback) (const void *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
typedef struct {
FLAC__bool seekable;
void* (*new_decoder) (void);
FLAC__bool (*set_md5_checking) (void *decoder, FLAC__bool value);
FLAC__bool (*set_source) (void *decoder, const char* source);
FLAC__bool (*set_metadata_ignore_all) (void *decoder);
FLAC__bool (*set_metadata_respond) (void *decoder, FLAC__MetadataType type);
FLAC__bool (*set_write_callback) (void *decoder, WriteCallback value);
FLAC__bool (*set_metadata_callback) (void *decoder, MetadataCallback value);
FLAC__bool (*set_error_callback) (void *decoder, ErrorCallback value);
FLAC__bool (*set_client_data) (void *decoder, void *value);
FLAC__bool (*decoder_init) (void *decoder);
void (*safe_decoder_finish) (void *decoder);
void (*safe_decoder_delete) (void *decoder);
FLAC__bool (*process_until_end_of_metadata) (void *decoder);
FLAC__bool (*process_single) (void *decoder);
FLAC__bool (*is_eof) (void *decoder);
} decoder_funcs_t;
#define NUM_DECODER_TYPES 2
typedef enum {
DECODER_FILE,
DECODER_HTTP
} decoder_t;
} stream_data_struct;
static void FLAC_XMMS__init();
static int FLAC_XMMS__is_our_file(char *filename);
@@ -115,15 +87,14 @@ static void FLAC_XMMS__get_song_info(char *filename, char **title, int *length);
static void *play_loop_(void *arg);
static FLAC__bool safe_decoder_init_(const char *filename, void **decoderp, decoder_funcs_t const ** fnsp);
static void file_decoder_safe_decoder_finish_(void *decoder);
static void file_decoder_safe_decoder_delete_(void *decoder);
static FLAC__StreamDecoderWriteStatus write_callback_(const void *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
static void metadata_callback_(const void *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
static void error_callback_(const void *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 void init_decoder_func_tables();
static decoder_t source_to_decoder_type (const char *source);
static FLAC__StreamDecoderReadStatus http_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *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 =
{
@@ -158,8 +129,8 @@ InputPlugin flac_ip =
static FLAC__byte sample_buffer_[SAMPLE_BUFFER_SIZE];
static unsigned sample_buffer_first_, sample_buffer_last_;
static void *decoder_ = 0;
static file_info_struct file_info_;
static FLAC__StreamDecoder *decoder_ = 0;
static stream_data_struct stream_data_;
static pthread_t decode_thread_;
static FLAC__bool audio_error_ = false;
static FLAC__bool is_big_endian_host_;
@@ -169,11 +140,6 @@ static FLAC__bool is_big_endian_host_;
#define BITRATE_HIST_SIZE 50
static unsigned bitrate_history_[BITRATE_HIST_SIZE];
/* A table of sets of decoder functions, indexed by decoder_t */
static const decoder_funcs_t* DECODER_FUNCS[NUM_DECODER_TYPES];
static decoder_funcs_t const * decoder_func_table_;
InputPlugin *get_iplugin_info()
{
@@ -183,8 +149,8 @@ InputPlugin *get_iplugin_info()
void set_track_info(const char* title, int length_in_msec)
{
if (file_info_.is_playing) {
flac_ip.set_info((char*) title, length_in_msec, file_info_.sample_rate * file_info_.channels * file_info_.bits_per_sample, file_info_.sample_rate, file_info_.channels);
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);
}
}
@@ -206,6 +172,11 @@ static gchar* homedir()
return result;
}
static FLAC__bool is_http_source(const char *source)
{
return 0 == strncasecmp(source, "http://", 7);
}
void FLAC_XMMS__init()
{
ConfigFile *cfg;
@@ -282,9 +253,7 @@ void FLAC_XMMS__init()
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);
init_decoder_func_tables();
decoder_func_table_ = DECODER_FUNCS [DECODER_FILE];
decoder_ = decoder_func_table_ -> new_decoder();
decoder_ = FLAC__stream_decoder_new();
xmms_cfg_free(cfg);
}
@@ -306,13 +275,14 @@ void FLAC_XMMS__play_file(char *filename)
sample_buffer_first_ = sample_buffer_last_ = 0;
audio_error_ = false;
file_info_.abort_flag = false;
file_info_.is_playing = false;
file_info_.eof = false;
file_info_.play_thread_open = false;
file_info_.has_replaygain = 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 (source_to_decoder_type (filename) == DECODER_FILE) {
if(!is_http_source(filename)) {
if(0 == (f = fopen(filename, "r")))
return;
fclose(f);
@@ -321,68 +291,68 @@ void FLAC_XMMS__play_file(char *filename)
if(decoder_ == 0)
return;
if(!safe_decoder_init_(filename, &decoder_, &decoder_func_table_))
if(!safe_decoder_init_(filename, decoder_))
return;
if(file_info_.has_replaygain && flac_cfg.output.replaygain.enable) {
if(stream_data_.has_replaygain && flac_cfg.output.replaygain.enable) {
if(flac_cfg.output.resolution.replaygain.bps_out == 8) {
file_info_.sample_format = FMT_U8;
file_info_.sample_format_bytes_per_sample = 1;
stream_data_.sample_format = FMT_U8;
stream_data_.sample_format_bytes_per_sample = 1;
}
else if(flac_cfg.output.resolution.replaygain.bps_out == 16) {
file_info_.sample_format = (is_big_endian_host_) ? FMT_S16_BE : FMT_S16_LE;
file_info_.sample_format_bytes_per_sample = 2;
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);
decoder_func_table_ -> safe_decoder_finish(decoder_);
safe_decoder_finish_(decoder_);
return;
}
}
else {
if(file_info_.bits_per_sample == 8) {
file_info_.sample_format = FMT_U8;
file_info_.sample_format_bytes_per_sample = 1;
if(stream_data_.bits_per_sample == 8) {
stream_data_.sample_format = FMT_U8;
stream_data_.sample_format_bytes_per_sample = 1;
}
else if(file_info_.bits_per_sample == 16 || (file_info_.bits_per_sample == 24 && flac_cfg.output.resolution.normal.dither_24_to_16)) {
file_info_.sample_format = (is_big_endian_host_) ? FMT_S16_BE : FMT_S16_LE;
file_info_.sample_format_bytes_per_sample = 2;
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", file_info_.bits_per_sample);
decoder_func_table_ -> safe_decoder_finish(decoder_);
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(&file_info_.dither_context, file_info_.sample_format_bytes_per_sample * 8, flac_cfg.output.resolution.replaygain.noise_shaping);
file_info_.is_playing = true;
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(file_info_.sample_format, 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;
decoder_func_table_ -> safe_decoder_finish(decoder_);
safe_decoder_finish_(decoder_);
return;
}
file_info_.title = flac_format_song_title(filename);
flac_ip.set_info(file_info_.title, 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;
file_info_.play_thread_open = true;
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()
{
if(file_info_.is_playing) {
file_info_.is_playing = false;
if(file_info_.play_thread_open) {
file_info_.play_thread_open = false;
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();
decoder_func_table_ -> safe_decoder_finish (decoder_);
safe_decoder_finish_(decoder_);
}
}
@@ -393,11 +363,11 @@ void FLAC_XMMS__pause(short p)
void FLAC_XMMS__seek(int time)
{
if (decoder_func_table_->seekable) {
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)
while(stream_data_.seek_to_in_sec != -1)
xmms_usleep(10000);
}
}
@@ -406,7 +376,7 @@ int FLAC_XMMS__get_time()
{
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();
@@ -414,7 +384,7 @@ int FLAC_XMMS__get_time()
void FLAC_XMMS__cleanup()
{
decoder_func_table_ -> safe_decoder_delete(decoder_);
safe_decoder_delete_(decoder_);
decoder_ = 0;
}
@@ -428,7 +398,7 @@ void FLAC_XMMS__get_song_info(char *filename, char **title, int *length_in_msec)
if(!FLAC__metadata_get_streaminfo(filename, &streaminfo)) {
/* @@@ how to report the error? */
if(title) {
if (source_to_decoder_type (filename) == DECODER_FILE) {
if (!is_http_source(filename)) {
static const char *errtitle = "Invalid FLAC File: ";
*title = g_malloc(strlen(errtitle) + 1 + strlen(filename) + 1 + 1);
sprintf(*title, "%s\"%s\"", errtitle, filename);
@@ -463,39 +433,39 @@ void *play_loop_(void *arg)
(void)arg;
while(file_info_.is_playing) {
if(!file_info_.eof) {
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(decoder_func_table_ -> is_eof(decoder_)) {
file_info_.eof = true;
if(FLAC__stream_decoder_get_state(decoder_) == FLAC__STREAM_DECODER_END_OF_STREAM) {
stream_data_.eof = true;
break;
}
else if (!decoder_func_table_ -> process_single(decoder_)) {
else if(!FLAC__stream_decoder_process_single(decoder_)) {
/*@@@ this should probably be a dialog */
fprintf(stderr, "libxmms-flac: READ ERROR processing frame\n");
file_info_.eof = true;
stream_data_.eof = true;
break;
}
blocksize = sample_buffer_last_ - sample_buffer_first_ - s;
decode_position_frame_last = decode_position_frame;
if(!decoder_func_table_->seekable || !FLAC__file_decoder_get_decode_position(decoder_, &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 * file_info_.channels * file_info_.sample_format_bytes_per_sample;
FLAC__byte *sample_buffer_start = sample_buffer_ + sample_buffer_first_ * file_info_.channels * file_info_.sample_format_bytes_per_sample;
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(), file_info_.sample_format, file_info_.channels, bytes, sample_buffer_start);
while(flac_ip.output->buffer_free() < (int)bytes && file_info_.is_playing && file_info_.seek_to_in_sec == -1)
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)
if(stream_data_.is_playing && stream_data_.seek_to_in_sec == -1)
flac_ip.output->write_audio(sample_buffer_start, bytes);
/* compute current bitrate */
@@ -508,262 +478,145 @@ void *play_loop_(void *arg)
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) :
file_info_.sample_rate * file_info_.channels * file_info_.bits_per_sample;
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(decoder_func_table_->seekable && 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;
FLAC__uint64 target_sample = (FLAC__uint64)(distance * (double)file_info_.total_samples);
if(FLAC__file_decoder_seek_absolute(decoder_, target_sample)) {
flac_ip.output->flush(file_info_.seek_to_in_sec * 1000);
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__file_decoder_get_decode_position(decoder_, &decode_position_frame))
if(!FLAC__stream_decoder_get_decode_position(decoder_, &decode_position_frame))
decode_position_frame = 0;
file_info_.seek_to_in_sec = -1;
file_info_.eof = false;
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(file_info_.title, file_info_.length_in_msec, bitrate_history_[bh_index_o], file_info_.sample_rate, file_info_.channels);
flac_ip.set_info(stream_data_.title, stream_data_.length_in_msec, bitrate_history_[bh_index_o], stream_data_.sample_rate, stream_data_.channels);
}
}
}
decoder_func_table_ -> safe_decoder_finish(decoder_);
safe_decoder_finish_(decoder_);
/* are these two calls necessary? */
flac_ip.output->buffer_free();
flac_ip.output->buffer_free();
g_free(file_info_.title);
g_free(stream_data_.title);
pthread_exit(NULL);
return 0; /* to silence the compiler warning about not returning a value */
}
/*********** File decoder functions */
static FLAC__bool file_decoder_init (void *decoder)
FLAC__bool safe_decoder_init_(const char *filename, FLAC__StreamDecoder *decoder)
{
return FLAC__file_decoder_init( (FLAC__FileDecoder*) decoder) == FLAC__FILE_DECODER_OK;
}
if(decoder == 0)
return false;
static void file_decoder_safe_decoder_finish_(void *decoder)
{
if(decoder && FLAC__file_decoder_get_state((FLAC__FileDecoder *) decoder) != FLAC__FILE_DECODER_UNINITIALIZED)
FLAC__file_decoder_finish((FLAC__FileDecoder *) decoder);
}
safe_decoder_finish_(decoder);
static void file_decoder_safe_decoder_delete_(void *decoder)
{
if(decoder) {
file_decoder_safe_decoder_finish_(decoder);
FLAC__file_decoder_delete( (FLAC__FileDecoder *) decoder);
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;
}
}
static FLAC__bool file_decoder_is_eof(void *decoder)
{
return FLAC__file_decoder_get_state((FLAC__FileDecoder *) decoder) == FLAC__FILE_DECODER_END_OF_FILE;
}
if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder))
return false;
static const decoder_funcs_t FILE_DECODER_FUNCTIONS = {
true,
(void* (*) (void)) FLAC__file_decoder_new,
(FLAC__bool (*) (void *, FLAC__bool)) FLAC__file_decoder_set_md5_checking,
(FLAC__bool (*) (void *, const char*)) FLAC__file_decoder_set_filename,
(FLAC__bool (*) (void *)) FLAC__file_decoder_set_metadata_ignore_all,
(FLAC__bool (*) (void *, FLAC__MetadataType)) FLAC__file_decoder_set_metadata_respond,
(FLAC__bool (*) (void *, WriteCallback)) FLAC__file_decoder_set_write_callback,
(FLAC__bool (*) (void *, MetadataCallback)) FLAC__file_decoder_set_metadata_callback,
(FLAC__bool (*) (void *, ErrorCallback)) FLAC__file_decoder_set_error_callback,
(FLAC__bool (*) (void *, void *)) FLAC__file_decoder_set_client_data,
(FLAC__bool (*) (void *)) file_decoder_init,
(void (*) (void *)) file_decoder_safe_decoder_finish_,
(void (*) (void *)) file_decoder_safe_decoder_delete_,
(FLAC__bool (*) (void *)) FLAC__file_decoder_process_until_end_of_metadata,
(FLAC__bool (*) (void *)) FLAC__file_decoder_process_single,
file_decoder_is_eof
};
/*********** HTTP decoder functions */
static gchar *url_;
static FLAC__bool http_decoder_set_md5_checking (void *decoder, FLAC__bool value)
{
(void) value;
// operation unsupported
return FLAC__stream_decoder_get_state ((const FLAC__StreamDecoder *) decoder) == FLAC__STREAM_DECODER_UNINITIALIZED;
}
static FLAC__bool http_decoder_set_url (void *decoder, const char* url)
{
(void) decoder;
url_ = g_strdup (url);
return true;
}
static FLAC__StreamDecoderReadStatus http_decoder_read_callback (const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
void safe_decoder_finish_(FLAC__StreamDecoder *decoder)
{
(void) decoder;
(void) client_data;
*bytes = flac_http_read (buffer, *bytes);
if(decoder && FLAC__stream_decoder_get_state(decoder) != FLAC__STREAM_DECODER_UNINITIALIZED)
FLAC__stream_decoder_finish(decoder);
if(stream_data_.is_http_source)
flac_http_close();
}
void safe_decoder_delete_(FLAC__StreamDecoder *decoder)
{
if(decoder) {
safe_decoder_finish_(decoder);
FLAC__stream_decoder_delete(decoder);
}
}
FLAC__StreamDecoderReadStatus http_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *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;
}
static FLAC__bool http_decoder_init (void *decoder)
FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
{
flac_http_open (url_, 0);
g_free (url_);
FLAC__stream_decoder_set_read_callback (decoder, http_decoder_read_callback);
return FLAC__stream_decoder_init( (FLAC__StreamDecoder*) decoder) == FLAC__STREAM_DECODER_SEARCH_FOR_METADATA;
}
static void http_decoder_safe_decoder_finish_(void *decoder)
{
if(decoder && FLAC__stream_decoder_get_state((FLAC__StreamDecoder *) decoder) != FLAC__STREAM_DECODER_UNINITIALIZED) {
FLAC__stream_decoder_finish((FLAC__StreamDecoder *) decoder);
flac_http_close();
}
}
static void http_decoder_safe_decoder_delete_(void *decoder)
{
if(decoder) {
http_decoder_safe_decoder_finish_(decoder);
FLAC__stream_decoder_delete( (FLAC__StreamDecoder *) decoder);
}
}
static FLAC__bool http_decoder_is_eof(void *decoder)
{
return FLAC__stream_decoder_get_state((FLAC__StreamDecoder *) decoder) == FLAC__STREAM_DECODER_END_OF_STREAM;
}
static const decoder_funcs_t HTTP_DECODER_FUNCTIONS = {
false,
(void* (*) (void)) FLAC__stream_decoder_new,
http_decoder_set_md5_checking,
(FLAC__bool (*) (void *, const char*)) http_decoder_set_url,
(FLAC__bool (*) (void *)) FLAC__stream_decoder_set_metadata_ignore_all,
(FLAC__bool (*) (void *, FLAC__MetadataType)) FLAC__stream_decoder_set_metadata_respond,
(FLAC__bool (*) (void *, WriteCallback)) FLAC__stream_decoder_set_write_callback,
(FLAC__bool (*) (void *, MetadataCallback)) FLAC__stream_decoder_set_metadata_callback,
(FLAC__bool (*) (void *, ErrorCallback)) FLAC__stream_decoder_set_error_callback,
(FLAC__bool (*) (void *, void *)) FLAC__stream_decoder_set_client_data,
(FLAC__bool (*) (void *)) http_decoder_init,
(void (*) (void *)) http_decoder_safe_decoder_finish_,
(void (*) (void *)) http_decoder_safe_decoder_delete_,
(FLAC__bool (*) (void *)) FLAC__stream_decoder_process_until_end_of_metadata,
(FLAC__bool (*) (void *)) FLAC__stream_decoder_process_single,
http_decoder_is_eof
};
static decoder_funcs_t const *decoder_func_table_;
static void init_decoder_func_tables()
{
DECODER_FUNCS [DECODER_FILE] = & FILE_DECODER_FUNCTIONS;
DECODER_FUNCS [DECODER_HTTP] = & HTTP_DECODER_FUNCTIONS;
}
static decoder_t source_to_decoder_type (const char *source)
{
return strncasecmp(source, "http://", 7) ? DECODER_FILE : DECODER_HTTP;
}
static void change_decoder_if_needed (decoder_t new_decoder_type, void **decoderp, decoder_funcs_t const ** fntabp)
{
const decoder_funcs_t *new_fn_table = DECODER_FUNCS [new_decoder_type];
if (*fntabp != new_fn_table) {
(*fntabp)->safe_decoder_delete(*decoderp);
*fntabp = new_fn_table;
*decoderp = new_fn_table -> new_decoder();
}
}
FLAC__bool safe_decoder_init_(const char *filename, void **decoderp, decoder_funcs_t const ** fntabp)
{
if(decoderp == 0 || *decoderp == 0)
return false;
(*fntabp)->safe_decoder_finish(*decoderp);
change_decoder_if_needed(source_to_decoder_type(filename), decoderp, fntabp);
{
decoder_funcs_t const *fntab = *fntabp;
void *decoder = *decoderp;
decoder = *decoderp;
fntab = *fntabp;
fntab -> set_md5_checking(decoder, false);
fntab -> set_source(decoder, filename);
fntab -> set_metadata_ignore_all(decoder);
fntab -> set_metadata_respond(decoder, FLAC__METADATA_TYPE_STREAMINFO);
fntab -> set_metadata_respond(decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT);
fntab -> set_write_callback(decoder, write_callback_);
fntab -> set_metadata_callback(decoder, metadata_callback_);
fntab -> set_error_callback(decoder, error_callback_);
fntab -> set_client_data(decoder, &file_info_);
if(!fntab -> decoder_init(decoder))
return false;
if(!fntab -> process_until_end_of_metadata(decoder))
return false;
}
return true;
}
FLAC__StreamDecoderWriteStatus write_callback_(const void *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
{
file_info_struct *file_info = (file_info_struct *)client_data;
const unsigned channels = file_info->channels, wide_samples = frame->header.blocksize;
const unsigned bits_per_sample = file_info->bits_per_sample;
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)
if(stream_data->abort_flag)
return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
if((sample_buffer_last_ + wide_samples) > (SAMPLE_BUFFER_SIZE / (channels * file_info->sample_format_bytes_per_sample))) {
memmove(sample_buffer_, sample_buffer_ + sample_buffer_first_ * channels * file_info->sample_format_bytes_per_sample, (sample_buffer_last_ - sample_buffer_first_) * channels * file_info->sample_format_bytes_per_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 * file_info->sample_format_bytes_per_sample;
if(file_info->has_replaygain && flac_cfg.output.replaygain.enable) {
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_,
file_info->sample_format_bytes_per_sample == 1, /* unsigned_data_out */
stream_data->sample_format_bytes_per_sample == 1, /* unsigned_data_out */
buffer,
wide_samples,
channels,
bits_per_sample,
file_info->sample_format_bytes_per_sample * 8,
file_info->replay_scale,
stream_data->sample_format_bytes_per_sample * 8,
stream_data->replay_scale,
flac_cfg.output.replaygain.hard_limit,
flac_cfg.output.resolution.replaygain.dither,
&file_info->dither_context
&stream_data->dither_context
);
}
else if(is_big_endian_host_) {
@@ -773,7 +626,7 @@ FLAC__StreamDecoderWriteStatus write_callback_(const void *decoder, const FLAC__
wide_samples,
channels,
bits_per_sample,
file_info->sample_format_bytes_per_sample * 8
stream_data->sample_format_bytes_per_sample * 8
);
}
else {
@@ -783,7 +636,7 @@ FLAC__StreamDecoderWriteStatus write_callback_(const void *decoder, const FLAC__
wide_samples,
channels,
bits_per_sample,
file_info->sample_format_bytes_per_sample * 8
stream_data->sample_format_bytes_per_sample * 8
);
}
@@ -792,35 +645,35 @@ FLAC__StreamDecoderWriteStatus write_callback_(const void *decoder, const FLAC__
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
void metadata_callback_(const void *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_STREAMINFO) {
file_info->total_samples = metadata->data.stream_info.total_samples;
file_info->bits_per_sample = metadata->data.stream_info.bits_per_sample;
file_info->channels = metadata->data.stream_info.channels;
file_info->sample_rate = metadata->data.stream_info.sample_rate;
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)file_info->total_samples / (double)file_info->sample_rate * 1000.0 + 0.5);
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;
file_info->length_in_msec = (int)l;
stream_data->length_in_msec = (int)l;
}
}
else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
double gain, peak;
if(grabbag__replaygain_load_from_vorbiscomment(metadata, flac_cfg.output.replaygain.album_mode, /*strict=*/false, &gain, &peak)) {
file_info->has_replaygain = true;
file_info->replay_scale = grabbag__replaygain_compute_scale_factor(peak, gain, (double)flac_cfg.output.replaygain.preamp, /*prevent_clipping=*/!flac_cfg.output.replaygain.hard_limit);
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);
}
}
}
void error_callback_(const void *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_STATUS_LOST_SYNC)
file_info->abort_flag = true;
stream_data->abort_flag = true;
}