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-rw-r--r--src/decoder/_flac_common.c54
-rw-r--r--src/decoder/_flac_common.h11
-rw-r--r--src/decoder/flac_plugin.c404
3 files changed, 463 insertions, 6 deletions
diff --git a/src/decoder/_flac_common.c b/src/decoder/_flac_common.c
index 24c766ddb..6d432f69c 100644
--- a/src/decoder/_flac_common.c
+++ b/src/decoder/_flac_common.c
@@ -23,9 +23,6 @@
#include <glib.h>
-#include <FLAC/format.h>
-#include <FLAC/metadata.h>
-
#include <assert.h>
void
@@ -349,3 +346,54 @@ flac_common_write(struct flac_data *data, const FLAC__Frame * frame,
return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
}
+
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+
+char*
+flac_cue_track( const char* pathname,
+ const unsigned int tnum)
+{
+ FLAC__StreamMetadata* cs = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET);
+
+ FLAC__metadata_get_cuesheet(pathname, &cs);
+
+ if (cs == NULL)
+ return NULL;
+
+ if (cs->data.cue_sheet.num_tracks <= 1)
+ {
+ FLAC__metadata_object_delete(cs);
+ return NULL;
+ }
+
+ if (tnum > 0 && tnum < cs->data.cue_sheet.num_tracks)
+ {
+ char* track = g_strdup_printf("track_%03u.flac", tnum);
+
+ FLAC__metadata_object_delete(cs);
+
+ return track;
+ }
+ else
+ {
+ FLAC__metadata_object_delete(cs);
+ return NULL;
+ }
+}
+
+unsigned int
+flac_vtrack_tnum(const char* fname)
+{
+ /* find last occurrence of '_' in fname
+ * which is hopefully something like track_xxx.flac
+ * another/better way would be to use tag struct
+ */
+ char* ptr = strrchr(fname, '_');
+
+ // copy ascii tracknumber to int
+ char vtrack[4];
+ g_strlcpy(vtrack, ++ptr, 4);
+ return (unsigned int)strtol(vtrack, NULL, 10);
+}
+
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
diff --git a/src/decoder/_flac_common.h b/src/decoder/_flac_common.h
index e876c3571..d133ee039 100644
--- a/src/decoder/_flac_common.h
+++ b/src/decoder/_flac_common.h
@@ -175,4 +175,15 @@ FLAC__StreamDecoderWriteStatus
flac_common_write(struct flac_data *data, const FLAC__Frame * frame,
const FLAC__int32 *const buf[]);
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+
+char*
+flac_cue_track( const char* pathname,
+ const unsigned int tnum);
+
+unsigned int
+flac_vtrack_tnum( const char*);
+
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
+
#endif /* _FLAC_COMMON_H */
diff --git a/src/decoder/flac_plugin.c b/src/decoder/flac_plugin.c
index 5bcde5421..61d4527a8 100644
--- a/src/decoder/flac_plugin.c
+++ b/src/decoder/flac_plugin.c
@@ -23,6 +23,9 @@
#include <assert.h>
#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
/* this code was based on flac123, from flac-tools */
static flac_read_status
@@ -279,10 +282,74 @@ flac_tag_load(const char *file)
return tag;
}
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+
+static struct tag *
+flac_cue_tag_load(const char *file)
+{
+ struct tag* tag = NULL;
+ char* char_tnum = NULL;
+ char* slash = NULL;
+ unsigned int tnum = 0;
+ unsigned int sample_rate = 0;
+ FLAC__uint64 track_time = 0;
+ FLAC__StreamMetadata* si = FLAC__metadata_object_new(FLAC__METADATA_TYPE_STREAMINFO);
+ FLAC__StreamMetadata* cs = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET);
+
+ tnum = flac_vtrack_tnum(file);
+
+ slash = strrchr(file, '/');
+ *slash = '\0';
+
+ tag = flac_tag_load(file);
+
+ char_tnum = g_strdup_printf("%u", tnum);
+ if (char_tnum != NULL)
+ {
+ tag_add_item( tag,
+ TAG_ITEM_TRACK,
+ char_tnum);
+ g_free(char_tnum);
+ }
+
+ if (FLAC__metadata_get_streaminfo(file, si))
+ {
+ sample_rate = si->data.stream_info.sample_rate;
+ }
+
+ if (FLAC__metadata_get_cuesheet(file, &cs))
+ {
+ if (cs->data.cue_sheet.tracks != NULL
+ && (tnum <= cs->data.cue_sheet.num_tracks - 1))
+ {
+ track_time = cs->data.cue_sheet.tracks[tnum].offset - 1
+ - cs->data.cue_sheet.tracks[tnum - 1].offset;
+ }
+
+ FLAC__metadata_object_delete(cs);
+ }
+
+ if (sample_rate != 0)
+ {
+ tag->time = (unsigned int)(track_time/sample_rate);
+ }
+
+ return tag;
+}
+
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
+
static struct tag *
flac_tag_dup(const char *file)
{
- return flac_tag_load(file);
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+ struct stat st;
+
+ if (stat(file, &st) < 0)
+ return flac_cue_tag_load(file);
+ else
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
+ return flac_tag_load(file);
}
static void
@@ -306,7 +373,6 @@ flac_decode_internal(struct decoder * decoder,
}
#endif
-
if (is_ogg) {
if (!flac_ogg_init(flac_dec, flac_read_cb,
flac_seek_cb, flac_tell_cb,
@@ -397,6 +463,332 @@ flac_decode(struct decoder * decoder, struct input_stream *input_stream)
flac_decode_internal(decoder, input_stream, false);
}
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+
+/**
+ * @brief Decode a flac file with embedded cue sheets
+ * @param const char* fname filename on fs
+ */
+static void
+flac_container_decode(struct decoder* decoder,
+ const char* fname,
+ bool is_ogg)
+{
+ unsigned int tnum = 0;
+ FLAC__uint64 t_start = 0;
+ FLAC__uint64 t_end = 0;
+ FLAC__uint64 track_time = 0;
+ FLAC__StreamMetadata* cs = NULL;
+
+ flac_decoder *flac_dec;
+ struct flac_data data;
+ const char *err = NULL;
+
+ char* pathname = g_strdup(fname);
+ char* slash = strrchr(pathname, '/');
+ *slash = '\0';
+
+ tnum = flac_vtrack_tnum(fname);
+
+ cs = FLAC__metadata_object_new(FLAC__METADATA_TYPE_CUESHEET);
+
+ FLAC__metadata_get_cuesheet(pathname, &cs);
+
+ if (cs != NULL)
+ {
+ if (cs->data.cue_sheet.tracks != NULL
+ && (tnum <= cs->data.cue_sheet.num_tracks - 1))
+ {
+ t_start = cs->data.cue_sheet.tracks[tnum - 1].offset;
+ t_end = cs->data.cue_sheet.tracks[tnum].offset - 1;
+ track_time = cs->data.cue_sheet.tracks[tnum].offset - 1
+ - cs->data.cue_sheet.tracks[tnum - 1].offset;
+ }
+
+ FLAC__metadata_object_delete(cs);
+ }
+ else
+ {
+ g_free(pathname);
+ return;
+ }
+
+ if (!(flac_dec = flac_new()))
+ {
+ g_free(pathname);
+ return;
+ }
+
+ flac_data_init(&data, decoder, NULL);
+
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+ if(!FLAC__stream_decoder_set_metadata_respond(flac_dec, FLAC__METADATA_TYPE_VORBIS_COMMENT))
+ {
+ g_debug("Failed to set metadata respond\n");
+ }
+#endif
+
+
+ if (is_ogg)
+ {
+ if (FLAC__stream_decoder_init_ogg_file( flac_dec,
+ pathname,
+ flac_write_cb,
+ flacMetadata,
+ flac_error_cb,
+ (void*) &data )
+ != FLAC__STREAM_DECODER_INIT_STATUS_OK )
+ {
+ err = "doing Ogg init()";
+ goto fail;
+ }
+ }
+ else
+ {
+ if (FLAC__stream_decoder_init_file( flac_dec,
+ pathname,
+ flac_write_cb,
+ flacMetadata,
+ flac_error_cb,
+ (void*) &data )
+ != FLAC__STREAM_DECODER_INIT_STATUS_OK )
+ {
+ err = "doing init()";
+ goto fail;
+ }
+ }
+
+ if (!flac_process_metadata(flac_dec))
+ {
+ err = "problem reading metadata";
+ goto fail;
+ }
+
+ if (!audio_format_valid(&data.audio_format))
+ {
+ g_warning("Invalid audio format: %u:%u:%u\n",
+ data.audio_format.sample_rate,
+ data.audio_format.bits,
+ data.audio_format.channels);
+ goto fail;
+ }
+
+ // set track time (order is important: after stream init)
+ data.total_time = (float)(track_time / data.audio_format.sample_rate);
+ data.position = 0;
+
+ decoder_initialized(decoder, &data.audio_format,
+ true, data.total_time);
+
+ // seek to song start (order is important: after decoder init)
+ flac_seek_absolute(flac_dec, (FLAC__uint64)t_start);
+
+ while (true)
+ {
+ if (!flac_process_single(flac_dec))
+ break;
+
+ // we only need to break at the end of track if we are in "cue mode"
+ if (data.time >= data.total_time)
+ {
+ flacPrintErroredState(flac_get_state(flac_dec));
+ flac_finish(flac_dec);
+ }
+
+ if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK)
+ {
+ FLAC__uint64 seek_sample = t_start +
+ (decoder_seek_where(decoder) * data.audio_format.sample_rate);
+
+ //if (seek_sample >= t_start && seek_sample <= t_end && data.total_time > 30)
+ if (seek_sample >= t_start && seek_sample <= t_end)
+ {
+ if (flac_seek_absolute(flac_dec, (FLAC__uint64)seek_sample))
+ {
+ data.time = (float)(seek_sample - t_start) /
+ data.audio_format.sample_rate;
+ data.position = 0;
+
+ decoder_command_finished(decoder);
+ }
+ else
+ decoder_seek_error(decoder);
+ //decoder_command_finished(decoder);
+ }
+ }
+ else if (flac_get_state(flac_dec) == flac_decoder_eof)
+ break;
+ }
+
+ if (decoder_get_command(decoder) != DECODE_COMMAND_STOP)
+ {
+ flacPrintErroredState(flac_get_state(flac_dec));
+ flac_finish(flac_dec);
+ }
+
+fail:
+ if (pathname)
+ g_free(pathname);
+
+ if (data.replay_gain_info)
+ replay_gain_info_free(data.replay_gain_info);
+
+ if (flac_dec)
+ flac_delete(flac_dec);
+
+ if (err)
+ g_warning("%s\n", err);
+}
+
+/**
+ * @brief Open a flac file for decoding
+ * @param const char* fname filename on fs
+ */
+static void
+flac_filedecode_internal(struct decoder* decoder,
+ const char* fname,
+ bool is_ogg)
+{
+ flac_decoder *flac_dec;
+ struct flac_data data;
+ const char *err = NULL;
+ unsigned int flac_err_state = 0;
+
+ if (!(flac_dec = flac_new()))
+ return;
+
+ flac_data_init(&data, decoder, NULL);
+
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+ if(!FLAC__stream_decoder_set_metadata_respond(flac_dec, FLAC__METADATA_TYPE_VORBIS_COMMENT))
+ {
+ g_debug("Failed to set metadata respond\n");
+ }
+#endif
+
+
+ if (is_ogg)
+ {
+ if ( (flac_err_state = FLAC__stream_decoder_init_ogg_file( flac_dec,
+ fname,
+ flac_write_cb,
+ flacMetadata,
+ flac_error_cb,
+ (void*) &data ))
+ == FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE)
+ {
+ flac_container_decode(decoder, fname, is_ogg);
+ }
+ else if (flac_err_state != FLAC__STREAM_DECODER_INIT_STATUS_OK)
+ {
+ err = "doing Ogg init()";
+ goto fail;
+ }
+ }
+ else
+ {
+ if ( (flac_err_state = FLAC__stream_decoder_init_file( flac_dec,
+ fname,
+ flac_write_cb,
+ flacMetadata,
+ flac_error_cb,
+ (void*) &data ))
+ == FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE)
+ {
+ flac_container_decode(decoder, fname, is_ogg);
+ }
+ else if (flac_err_state != FLAC__STREAM_DECODER_INIT_STATUS_OK)
+ {
+ err = "doing init()";
+ goto fail;
+ }
+ }
+
+ if (!flac_process_metadata(flac_dec))
+ {
+ err = "problem reading metadata";
+ goto fail;
+ }
+
+ if (!audio_format_valid(&data.audio_format))
+ {
+ g_warning("Invalid audio format: %u:%u:%u\n",
+ data.audio_format.sample_rate,
+ data.audio_format.bits,
+ data.audio_format.channels);
+ goto fail;
+ }
+
+ decoder_initialized(decoder, &data.audio_format,
+ true, data.total_time);
+
+ while (true)
+ {
+ if (!flac_process_single(flac_dec))
+ break;
+
+ if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK)
+ {
+ FLAC__uint64 seek_sample = decoder_seek_where(decoder) *
+ data.audio_format.sample_rate + 0.5;
+ if (flac_seek_absolute(flac_dec, seek_sample))
+ {
+ data.time = ((float)seek_sample) /
+ data.audio_format.sample_rate;
+ data.position = 0;
+ decoder_command_finished(decoder);
+ }
+ else
+ decoder_seek_error(decoder);
+
+ }
+ else if (flac_get_state(flac_dec) == flac_decoder_eof)
+ break;
+ }
+
+ if (decoder_get_command(decoder) != DECODE_COMMAND_STOP)
+ {
+ flacPrintErroredState(flac_get_state(flac_dec));
+ flac_finish(flac_dec);
+ }
+
+fail:
+ if (data.replay_gain_info)
+ replay_gain_info_free(data.replay_gain_info);
+
+ if (flac_dec)
+ flac_delete(flac_dec);
+
+ if (err)
+ g_warning("%s\n", err);
+}
+
+/**
+ * @brief wrapper function for
+ * flac_filedecode_internal method
+ * for decoding without ogg
+ */
+static void
+flac_filedecode(struct decoder *decoder, const char *fname)
+{
+ struct stat st;
+
+ if (stat(fname, &st) < 0) {
+ flac_container_decode(decoder, fname, false);
+ } else
+ flac_filedecode_internal(decoder, fname, false);
+
+ /*
+ if (directory->device == CONTAINER)
+ {
+ flac_container_decode(decoder, fname, is_ogg);
+ return;
+ }
+ */
+}
+
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
+
#ifndef HAVE_OGGFLAC
static bool
@@ -493,7 +885,13 @@ static const char *const flac_mime_types[] = {
const struct decoder_plugin flac_decoder_plugin = {
.name = "flac",
.stream_decode = flac_decode,
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+ .file_decode = flac_filedecode,
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
.tag_dup = flac_tag_dup,
.suffixes = flac_suffixes,
- .mime_types = flac_mime_types
+ .mime_types = flac_mime_types,
+#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
+ .container_scan = flac_cue_track,
+#endif /* FLAC_API_VERSION_CURRENT >= 7 */
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 05:31:35 +0000