diff options
Diffstat (limited to '')
-rw-r--r-- | src/decoder/oggvorbis_plugin.c | 122 |
1 files changed, 63 insertions, 59 deletions
diff --git a/src/decoder/oggvorbis_plugin.c b/src/decoder/oggvorbis_plugin.c index 76e2e58ec..0b8542f07 100644 --- a/src/decoder/oggvorbis_plugin.c +++ b/src/decoder/oggvorbis_plugin.c @@ -48,8 +48,8 @@ #endif typedef struct _OggCallbackData { - struct input_stream *inStream; struct decoder *decoder; + struct input_stream *input_stream; } OggCallbackData; static size_t ogg_read_cb(void *ptr, size_t size, size_t nmemb, void *vdata) @@ -57,10 +57,9 @@ static size_t ogg_read_cb(void *ptr, size_t size, size_t nmemb, void *vdata) size_t ret; OggCallbackData *data = (OggCallbackData *) vdata; - ret = decoder_read(data->decoder, data->inStream, ptr, size * nmemb); + ret = decoder_read(data->decoder, data->input_stream, ptr, size * nmemb); errno = 0; - /*if(ret<0) errno = ((struct input_stream *)inStream)->error; */ return ret / size; } @@ -70,7 +69,7 @@ static int ogg_seek_cb(void *vdata, ogg_int64_t offset, int whence) const OggCallbackData *data = (const OggCallbackData *) vdata; if(decoder_get_command(data->decoder) == DECODE_COMMAND_STOP) return -1; - return input_stream_seek(data->inStream, offset, whence) ? 0 : -1; + return input_stream_seek(data->input_stream, offset, whence) ? 0 : -1; } /* TODO: check Ogg libraries API and see if we can just not have this func */ @@ -83,10 +82,11 @@ static long ogg_tell_cb(void *vdata) { const OggCallbackData *data = (const OggCallbackData *) vdata; - return (long)(data->inStream->offset); + return (long)data->input_stream->offset; } -static const char *ogg_parseComment(const char *comment, const char *needle) +static const char * +vorbis_comment_value(const char *comment, const char *needle) { int len = strlen(needle); @@ -98,7 +98,7 @@ static const char *ogg_parseComment(const char *comment, const char *needle) } static struct replay_gain_info * -ogg_getReplayGainInfo(char **comments) +vorbis_comments_to_replay_gain(char **comments) { struct replay_gain_info *rgi; const char *temp; @@ -108,19 +108,19 @@ ogg_getReplayGainInfo(char **comments) while (*comments) { if ((temp = - ogg_parseComment(*comments, "replaygain_track_gain"))) { + vorbis_comment_value(*comments, "replaygain_track_gain"))) { rgi->tuples[REPLAY_GAIN_TRACK].gain = atof(temp); found = true; - } else if ((temp = ogg_parseComment(*comments, - "replaygain_album_gain"))) { + } else if ((temp = vorbis_comment_value(*comments, + "replaygain_album_gain"))) { rgi->tuples[REPLAY_GAIN_ALBUM].gain = atof(temp); found = true; - } else if ((temp = ogg_parseComment(*comments, - "replaygain_track_peak"))) { + } else if ((temp = vorbis_comment_value(*comments, + "replaygain_track_peak"))) { rgi->tuples[REPLAY_GAIN_TRACK].peak = atof(temp); found = true; - } else if ((temp = ogg_parseComment(*comments, - "replaygain_album_peak"))) { + } else if ((temp = vorbis_comment_value(*comments, + "replaygain_album_peak"))) { rgi->tuples[REPLAY_GAIN_ALBUM].peak = atof(temp); found = true; } @@ -140,12 +140,12 @@ static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber"; static const char *VORBIS_COMMENT_DISC_KEY = "discnumber"; static bool -ogg_parseCommentAddToTag(char *comment, unsigned int itemType, - struct tag ** tag) +vorbis_parse_comment(char *comment, enum tag_type tag_type, + struct tag ** tag) { const char *needle; unsigned int len; - switch (itemType) { + switch (tag_type) { case TAG_ITEM_TRACK: needle = VORBIS_COMMENT_TRACK_KEY; break; @@ -153,7 +153,7 @@ ogg_parseCommentAddToTag(char *comment, unsigned int itemType, needle = VORBIS_COMMENT_DISC_KEY; break; default: - needle = mpdTagItemKeys[itemType]; + needle = mpdTagItemKeys[tag_type]; } len = strlen(needle); @@ -161,7 +161,7 @@ ogg_parseCommentAddToTag(char *comment, unsigned int itemType, if (!*tag) *tag = tag_new(); - tag_add_item(*tag, itemType, comment + len + 1); + tag_add_item(*tag, tag_type, comment + len + 1); return true; } @@ -169,14 +169,15 @@ ogg_parseCommentAddToTag(char *comment, unsigned int itemType, return false; } -static struct tag *oggCommentsParse(char **comments) +static struct tag * +vorbis_comments_to_tag(char **comments) { struct tag *tag = NULL; while (*comments) { int j; for (j = TAG_NUM_OF_ITEM_TYPES; --j >= 0;) { - if (ogg_parseCommentAddToTag(*comments, j, &tag)) + if (vorbis_parse_comment(*comments, j, &tag)) break; } comments++; @@ -185,13 +186,13 @@ static struct tag *oggCommentsParse(char **comments) return tag; } -static void putOggCommentsIntoOutputBuffer(struct decoder *decoder, - struct input_stream *is, - char **comments) +static void +vorbis_send_comments(struct decoder *decoder, struct input_stream *is, + char **comments) { struct tag *tag; - tag = oggCommentsParse(comments); + tag = vorbis_comments_to_tag(comments); if (!tag) return; @@ -201,7 +202,8 @@ static void putOggCommentsIntoOutputBuffer(struct decoder *decoder, /* public */ static void -oggvorbis_decode(struct decoder *decoder, struct input_stream *inStream) +vorbis_stream_decode(struct decoder *decoder, + struct input_stream *input_stream) { OggVorbis_File vf; ov_callbacks callbacks; @@ -214,19 +216,19 @@ oggvorbis_decode(struct decoder *decoder, struct input_stream *inStream) char chunk[OGG_CHUNK_SIZE]; long bitRate = 0; long test; - struct replay_gain_info *replayGainInfo = NULL; + struct replay_gain_info *replay_gain_info = NULL; char **comments; bool initialized = false; enum decoder_command cmd = DECODE_COMMAND_NONE; - if (ogg_stream_type_detect(inStream) != VORBIS) + if (ogg_stream_type_detect(input_stream) != VORBIS) return; /* rewind the stream, because ogg_stream_type_detect() has moved it */ - input_stream_seek(inStream, 0, SEEK_SET); + input_stream_seek(input_stream, 0, SEEK_SET); - data.inStream = inStream; + data.input_stream = input_stream; data.decoder = decoder; callbacks.read_func = ogg_read_cb; @@ -234,34 +236,33 @@ oggvorbis_decode(struct decoder *decoder, struct input_stream *inStream) callbacks.close_func = ogg_close_cb; callbacks.tell_func = ogg_tell_cb; if ((ret = ov_open_callbacks(&data, &vf, NULL, 0, callbacks)) < 0) { - const char *errorStr; + const char *error; if (decoder_get_command(decoder) != DECODE_COMMAND_NONE) return; switch (ret) { case OV_EREAD: - errorStr = "read error"; + error = "read error"; break; case OV_ENOTVORBIS: - errorStr = "not vorbis stream"; + error = "not vorbis stream"; break; case OV_EVERSION: - errorStr = "vorbis version mismatch"; + error = "vorbis version mismatch"; break; case OV_EBADHEADER: - errorStr = "invalid vorbis header"; + error = "invalid vorbis header"; break; case OV_EFAULT: - errorStr = "internal logic error"; + error = "internal logic error"; break; default: - errorStr = "unknown error"; + error = "unknown error"; break; } - g_warning("Error decoding Ogg Vorbis stream: %s\n", - errorStr); + g_warning("Error decoding Ogg Vorbis stream: %s", error); return; } audio_format.bits = 16; @@ -304,18 +305,17 @@ oggvorbis_decode(struct decoder *decoder, struct input_stream *inStream) if (total_time < 0) total_time = 0; decoder_initialized(decoder, &audio_format, - inStream->seekable, + input_stream->seekable, total_time); initialized = true; } comments = ov_comment(&vf, -1)->user_comments; - putOggCommentsIntoOutputBuffer(decoder, inStream, - comments); - new_rgi = ogg_getReplayGainInfo(comments); + vorbis_send_comments(decoder, input_stream, comments); + new_rgi = vorbis_comments_to_replay_gain(comments); if (new_rgi != NULL) { - if (replayGainInfo != NULL) - replay_gain_info_free(replayGainInfo); - replayGainInfo = new_rgi; + if (replay_gain_info != NULL) + replay_gain_info_free(replay_gain_info); + replay_gain_info = new_rgi; } } @@ -324,19 +324,20 @@ oggvorbis_decode(struct decoder *decoder, struct input_stream *inStream) if ((test = ov_bitrate_instant(&vf)) > 0) bitRate = test / 1000; - cmd = decoder_data(decoder, inStream, + cmd = decoder_data(decoder, input_stream, chunk, ret, ov_pcm_tell(&vf) / audio_format.sample_rate, - bitRate, replayGainInfo); + bitRate, replay_gain_info); } while (cmd != DECODE_COMMAND_STOP); - if (replayGainInfo) - replay_gain_info_free(replayGainInfo); + if (replay_gain_info) + replay_gain_info_free(replay_gain_info); ov_clear(&vf); } -static struct tag *oggvorbis_TagDup(const char *file) +static struct tag * +vorbis_tag_dup(const char *file) { struct tag *ret; FILE *fp; @@ -352,7 +353,7 @@ static struct tag *oggvorbis_TagDup(const char *file) return NULL; } - ret = oggCommentsParse(ov_comment(&vf, -1)->user_comments); + ret = vorbis_comments_to_tag(ov_comment(&vf, -1)->user_comments); if (!ret) ret = tag_new(); @@ -363,18 +364,21 @@ static struct tag *oggvorbis_TagDup(const char *file) return ret; } -static const char *const oggvorbis_Suffixes[] = { "ogg","oga", NULL }; -static const char *const oggvorbis_MimeTypes[] = { +static const char *const vorbis_suffixes[] = { + "ogg", "oga", NULL +}; + +static const char *const vorbis_mime_types[] = { "application/ogg", "audio/x-vorbis+ogg", "application/x-ogg", NULL }; -const struct decoder_plugin oggvorbisPlugin = { +const struct decoder_plugin vorbis_decoder_plugin = { .name = "oggvorbis", - .stream_decode = oggvorbis_decode, - .tag_dup = oggvorbis_TagDup, - .suffixes = oggvorbis_Suffixes, - .mime_types = oggvorbis_MimeTypes + .stream_decode = vorbis_stream_decode, + .tag_dup = vorbis_tag_dup, + .suffixes = vorbis_suffixes, + .mime_types = vorbis_mime_types }; |