mp3: no CamelCase
Renamed all functions and variables. Also removed the mp3DecodeData typedef.
This commit is contained in:
Max Kellermann
parent
1f7c53e619
commit
e4bbc120ac
@ -50,7 +50,7 @@ enum muteframe {
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#define DEFAULT_GAPLESS_MP3_PLAYBACK 1
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static int gaplessPlaybackEnabled;
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static int gapless_playback;
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static inline int32_t
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mad_fixed_to_24_sample(mad_fixed_t sample)
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@ -89,61 +89,61 @@ mad_fixed_to_24_buffer(int32_t *dest, const struct mad_synth *synth,
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static int mp3_plugin_init(void)
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{
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gaplessPlaybackEnabled = getBoolConfigParam(CONF_GAPLESS_MP3_PLAYBACK,
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1);
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if (gaplessPlaybackEnabled == CONF_BOOL_UNSET)
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gaplessPlaybackEnabled = DEFAULT_GAPLESS_MP3_PLAYBACK;
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gapless_playback = getBoolConfigParam(CONF_GAPLESS_MP3_PLAYBACK, 1);
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if (gapless_playback == CONF_BOOL_UNSET)
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gapless_playback = DEFAULT_GAPLESS_MP3_PLAYBACK;
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return 1;
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}
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#define MP3_DATA_OUTPUT_BUFFER_SIZE 2048
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typedef struct _mp3DecodeData {
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struct mp3_data {
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struct mad_stream stream;
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struct mad_frame frame;
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struct mad_synth synth;
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mad_timer_t timer;
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unsigned char readBuffer[READ_BUFFER_SIZE];
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int32_t outputBuffer[MP3_DATA_OUTPUT_BUFFER_SIZE];
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float totalTime;
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float elapsedTime;
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enum muteframe muteFrame;
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long *frameOffset;
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unsigned char input_buffer[READ_BUFFER_SIZE];
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int32_t output_buffer[MP3_DATA_OUTPUT_BUFFER_SIZE];
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float total_time;
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float elapsed_time;
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enum muteframe mute_frame;
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long *frame_offsets;
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mad_timer_t *times;
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unsigned long highestFrame;
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unsigned long maxFrames;
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unsigned long currentFrame;
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unsigned int dropFramesAtStart;
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unsigned int dropFramesAtEnd;
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unsigned int dropSamplesAtStart;
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unsigned int dropSamplesAtEnd;
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int foundXing;
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int foundFirstFrame;
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int decodedFirstFrame;
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unsigned long bitRate;
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unsigned long highest_frame;
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unsigned long max_frames;
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unsigned long current_frame;
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unsigned int drop_start_frames;
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unsigned int drop_end_frames;
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unsigned int drop_start_samples;
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unsigned int drop_end_samples;
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int found_xing;
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int found_first_frame;
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int decoded_first_frame;
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unsigned long bit_rate;
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struct decoder *decoder;
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struct input_stream *inStream;
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struct input_stream *input_stream;
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enum mad_layer layer;
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} mp3DecodeData;
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};
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static void initMp3DecodeData(mp3DecodeData * data, struct decoder *decoder,
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struct input_stream *inStream)
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static void
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mp3_data_init(struct mp3_data *data, struct decoder *decoder,
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struct input_stream *input_stream)
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{
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data->muteFrame = MUTEFRAME_NONE;
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data->highestFrame = 0;
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data->maxFrames = 0;
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data->frameOffset = NULL;
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data->mute_frame = MUTEFRAME_NONE;
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data->highest_frame = 0;
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data->max_frames = 0;
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data->frame_offsets = NULL;
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data->times = NULL;
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data->currentFrame = 0;
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data->dropFramesAtStart = 0;
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data->dropFramesAtEnd = 0;
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data->dropSamplesAtStart = 0;
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data->dropSamplesAtEnd = 0;
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data->foundXing = 0;
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data->foundFirstFrame = 0;
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data->decodedFirstFrame = 0;
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data->current_frame = 0;
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data->drop_start_frames = 0;
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data->drop_end_frames = 0;
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data->drop_start_samples = 0;
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data->drop_end_samples = 0;
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data->found_xing = 0;
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data->found_first_frame = 0;
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data->decoded_first_frame = 0;
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data->decoder = decoder;
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data->inStream = inStream;
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data->input_stream = input_stream;
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data->layer = 0;
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mad_stream_init(&data->stream);
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@ -153,61 +153,61 @@ static void initMp3DecodeData(mp3DecodeData * data, struct decoder *decoder,
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mad_timer_reset(&data->timer);
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}
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static int seekMp3InputBuffer(mp3DecodeData * data, long offset)
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static int mp3_seek(struct mp3_data *data, long offset)
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{
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if (!input_stream_seek(data->inStream, offset, SEEK_SET))
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if (!input_stream_seek(data->input_stream, offset, SEEK_SET))
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return -1;
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mad_stream_buffer(&data->stream, data->readBuffer, 0);
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mad_stream_buffer(&data->stream, data->input_buffer, 0);
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(data->stream).error = 0;
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return 0;
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}
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static int fillMp3InputBuffer(mp3DecodeData * data)
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static int mp3_fill_buffer(struct mp3_data *data)
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{
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size_t readSize;
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size_t remaining;
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size_t readed;
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unsigned char *readStart;
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size_t remaining, length;
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unsigned char *dest;
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if ((data->stream).next_frame != NULL) {
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remaining = (data->stream).bufend - (data->stream).next_frame;
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memmove(data->readBuffer, (data->stream).next_frame, remaining);
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readStart = (data->readBuffer) + remaining;
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readSize = READ_BUFFER_SIZE - remaining;
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if (data->stream.next_frame != NULL) {
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remaining = data->stream.bufend - data->stream.next_frame;
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memmove(data->input_buffer, data->stream.next_frame,
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remaining);
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dest = (data->input_buffer) + remaining;
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length = READ_BUFFER_SIZE - remaining;
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} else {
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readSize = READ_BUFFER_SIZE;
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readStart = data->readBuffer, remaining = 0;
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remaining = 0;
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length = READ_BUFFER_SIZE;
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dest = data->input_buffer;
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}
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/* we've exhausted the read buffer, so give up!, these potential
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* mp3 frames are way too big, and thus unlikely to be mp3 frames */
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if (readSize == 0)
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if (length == 0)
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return -1;
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readed = decoder_read(data->decoder, data->inStream,
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readStart, readSize);
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if (readed == 0)
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length = decoder_read(data->decoder, data->input_stream, dest, length);
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if (length == 0)
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return -1;
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mad_stream_buffer(&data->stream, data->readBuffer, readed + remaining);
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mad_stream_buffer(&data->stream, data->input_buffer,
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length + remaining);
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(data->stream).error = 0;
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return 0;
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}
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#ifdef HAVE_ID3TAG
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static ReplayGainInfo *parseId3ReplayGainInfo(struct id3_tag *tag)
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static ReplayGainInfo *parse_id3_replay_gain_info(struct id3_tag *tag)
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{
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int i;
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char *key;
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char *value;
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struct id3_frame *frame;
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int found = 0;
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ReplayGainInfo *replayGainInfo;
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ReplayGainInfo *replay_gain_info;
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replayGainInfo = newReplayGainInfo();
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replay_gain_info = newReplayGainInfo();
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for (i = 0; (frame = id3_tag_findframe(tag, "TXXX", i)); i++) {
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if (frame->nfields < 3)
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@ -221,16 +221,16 @@ static ReplayGainInfo *parseId3ReplayGainInfo(struct id3_tag *tag)
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(&frame->fields[2]));
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if (strcasecmp(key, "replaygain_track_gain") == 0) {
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replayGainInfo->trackGain = atof(value);
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replay_gain_info->trackGain = atof(value);
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found = 1;
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} else if (strcasecmp(key, "replaygain_album_gain") == 0) {
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replayGainInfo->albumGain = atof(value);
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replay_gain_info->albumGain = atof(value);
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found = 1;
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} else if (strcasecmp(key, "replaygain_track_peak") == 0) {
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replayGainInfo->trackPeak = atof(value);
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replay_gain_info->trackPeak = atof(value);
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found = 1;
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} else if (strcasecmp(key, "replaygain_album_peak") == 0) {
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replayGainInfo->albumPeak = atof(value);
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replay_gain_info->albumPeak = atof(value);
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found = 1;
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}
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@ -239,22 +239,21 @@ static ReplayGainInfo *parseId3ReplayGainInfo(struct id3_tag *tag)
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}
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if (found)
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return replayGainInfo;
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freeReplayGainInfo(replayGainInfo);
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return replay_gain_info;
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freeReplayGainInfo(replay_gain_info);
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return NULL;
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}
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#endif
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#ifdef HAVE_ID3TAG
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static void mp3_parseId3Tag(mp3DecodeData * data, size_t tagsize,
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struct tag ** mpdTag, ReplayGainInfo ** replayGainInfo)
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static void mp3_parse_id3(struct mp3_data *data, size_t tagsize,
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struct tag **mpd_tag,
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ReplayGainInfo **replay_gain_info_r)
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{
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struct id3_tag *id3Tag = NULL;
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struct id3_tag *id3_tag = NULL;
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id3_length_t count;
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id3_byte_t const *id3_data;
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id3_byte_t *allocated = NULL;
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struct tag *tmpMpdTag;
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ReplayGainInfo *tmpReplayGainInfo;
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count = data->stream.bufend - data->stream.this_frame;
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@ -272,7 +271,7 @@ static void mp3_parseId3Tag(mp3DecodeData * data, size_t tagsize,
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while (count < tagsize) {
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size_t len;
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len = decoder_read(data->decoder, data->inStream,
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len = decoder_read(data->decoder, data->input_stream,
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allocated + count, tagsize - count);
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if (len == 0)
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break;
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@ -288,29 +287,29 @@ static void mp3_parseId3Tag(mp3DecodeData * data, size_t tagsize,
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id3_data = allocated;
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}
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id3Tag = id3_tag_parse(id3_data, tagsize);
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if (!id3Tag)
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id3_tag = id3_tag_parse(id3_data, tagsize);
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if (id3_tag == NULL)
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goto fail;
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if (mpdTag) {
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tmpMpdTag = tag_id3_import(id3Tag);
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if (tmpMpdTag) {
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if (*mpdTag)
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tag_free(*mpdTag);
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*mpdTag = tmpMpdTag;
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if (mpd_tag) {
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struct tag *tmp_tag = tag_id3_import(id3_tag);
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if (tmp_tag != NULL) {
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if (*mpd_tag != NULL)
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tag_free(*mpd_tag);
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*mpd_tag = tmp_tag;
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}
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}
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if (replayGainInfo) {
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tmpReplayGainInfo = parseId3ReplayGainInfo(id3Tag);
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if (tmpReplayGainInfo) {
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if (*replayGainInfo)
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freeReplayGainInfo(*replayGainInfo);
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*replayGainInfo = tmpReplayGainInfo;
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if (replay_gain_info_r) {
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ReplayGainInfo *tmp_rgi = parse_id3_replay_gain_info(id3_tag);
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if (tmp_rgi != NULL) {
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if (*replay_gain_info_r)
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freeReplayGainInfo(*replay_gain_info_r);
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*replay_gain_info_r = tmp_rgi;
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}
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}
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id3_tag_delete(id3Tag);
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id3_tag_delete(id3_tag);
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fail:
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if (allocated)
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free(allocated);
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@ -318,14 +317,14 @@ fail:
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#endif
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static enum mp3_action
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decodeNextFrameHeader(mp3DecodeData * data, struct tag ** tag,
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ReplayGainInfo ** replayGainInfo)
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decode_next_frame_header(struct mp3_data *data, struct tag **tag,
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ReplayGainInfo **replay_gain_info_r)
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{
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enum mad_layer layer;
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if ((data->stream).buffer == NULL
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|| (data->stream).error == MAD_ERROR_BUFLEN) {
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if (fillMp3InputBuffer(data) < 0) {
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if (mp3_fill_buffer(data) < 0) {
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return DECODE_BREAK;
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}
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}
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@ -342,8 +341,8 @@ decodeNextFrameHeader(mp3DecodeData * data, struct tag ** tag,
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if (tagsize > 0) {
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if (tag && !(*tag)) {
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mp3_parseId3Tag(data, (size_t)tagsize,
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tag, replayGainInfo);
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mp3_parse_id3(data, (size_t)tagsize,
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tag, replay_gain_info_r);
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} else {
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mad_stream_skip(&(data->stream),
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tagsize);
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@ -382,11 +381,11 @@ decodeNextFrameHeader(mp3DecodeData * data, struct tag ** tag,
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}
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static enum mp3_action
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decodeNextFrame(mp3DecodeData * data)
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decodeNextFrame(struct mp3_data *data)
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{
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if ((data->stream).buffer == NULL
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|| (data->stream).error == MAD_ERROR_BUFLEN) {
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if (fillMp3InputBuffer(data) < 0) {
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if (mp3_fill_buffer(data) < 0) {
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return DECODE_BREAK;
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}
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}
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@ -458,10 +457,10 @@ struct lame {
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char encoder[10]; /* 9 byte encoder name/version ("LAME3.97b") */
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struct version version; /* struct containing just the version */
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float peak; /* replaygain peak */
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float trackGain; /* replaygain track gain */
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float albumGain; /* replaygain album gain */
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int encoderDelay; /* # of added samples at start of mp3 */
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int encoderPadding; /* # of added samples at end of mp3 */
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float track_gain; /* replaygain track gain */
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float album_gain; /* replaygain album gain */
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int encoder_delay; /* # of added samples at start of mp3 */
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int encoder_padding; /* # of added samples at end of mp3 */
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int crc; /* CRC of the first 190 bytes of this frame */
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};
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@ -587,29 +586,29 @@ static int parse_lame(struct lame *lame, struct mad_bitptr *ptr, int *bitlen)
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lame->peak = mad_f_todouble(mad_bit_read(ptr, 32) << 5); /* peak */
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DEBUG("LAME peak found: %f\n", lame->peak);
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lame->trackGain = 0;
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lame->track_gain = 0;
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name = mad_bit_read(ptr, 3); /* gain name */
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orig = mad_bit_read(ptr, 3); /* gain originator */
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sign = mad_bit_read(ptr, 1); /* sign bit */
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gain = mad_bit_read(ptr, 9); /* gain*10 */
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if (gain && name == 1 && orig != 0) {
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lame->trackGain = ((sign ? -gain : gain) / 10.0) + adj;
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DEBUG("LAME track gain found: %f\n", lame->trackGain);
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lame->track_gain = ((sign ? -gain : gain) / 10.0) + adj;
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DEBUG("LAME track gain found: %f\n", lame->track_gain);
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}
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/* tmz reports that this isn't currently written by any version of lame
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* (as of 3.97). Since we have no way of testing it, don't use it.
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* Wouldn't want to go blowing someone's ears just because we read it
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* wrong. :P -- jat */
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lame->albumGain = 0;
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lame->album_gain = 0;
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#if 0
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name = mad_bit_read(ptr, 3); /* gain name */
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orig = mad_bit_read(ptr, 3); /* gain originator */
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sign = mad_bit_read(ptr, 1); /* sign bit */
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gain = mad_bit_read(ptr, 9); /* gain*10 */
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if (gain && name == 2 && orig != 0) {
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lame->albumGain = ((sign ? -gain : gain) / 10.0) + adj;
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DEBUG("LAME album gain found: %f\n", lame->trackGain);
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lame->album_gain = ((sign ? -gain : gain) / 10.0) + adj;
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DEBUG("LAME album gain found: %f\n", lame->track_gain);
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}
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#else
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mad_bit_read(ptr, 16);
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@ -617,11 +616,11 @@ static int parse_lame(struct lame *lame, struct mad_bitptr *ptr, int *bitlen)
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mad_bit_read(ptr, 16);
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lame->encoderDelay = mad_bit_read(ptr, 12);
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lame->encoderPadding = mad_bit_read(ptr, 12);
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lame->encoder_delay = mad_bit_read(ptr, 12);
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lame->encoder_padding = mad_bit_read(ptr, 12);
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DEBUG("encoder delay is %i, encoder padding is %i\n",
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lame->encoderDelay, lame->encoderPadding);
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lame->encoder_delay, lame->encoder_padding);
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mad_bit_read(ptr, 80);
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@ -632,8 +631,9 @@ static int parse_lame(struct lame *lame, struct mad_bitptr *ptr, int *bitlen)
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return 1;
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}
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static int decodeFirstFrame(mp3DecodeData * data,
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struct tag ** tag, ReplayGainInfo ** replayGainInfo)
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static int
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mp3_decode_first_frame(struct mp3_data *data, struct tag **tag,
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ReplayGainInfo **replay_gain_info_r)
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{
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struct decoder *decoder = data->decoder;
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struct xing xing;
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@ -647,7 +647,7 @@ static int decodeFirstFrame(mp3DecodeData * data,
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xing.flags = 0;
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while (1) {
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while ((ret = decodeNextFrameHeader(data, tag, replayGainInfo)) == DECODE_CONT &&
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while ((ret = decode_next_frame_header(data, tag, replay_gain_info_r)) == DECODE_CONT &&
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(!decoder || decoder_get_command(decoder) == DECODE_COMMAND_NONE));
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if (ret == DECODE_BREAK ||
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(decoder && decoder_get_command(decoder) != DECODE_COMMAND_NONE))
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@ -669,112 +669,111 @@ static int decodeFirstFrame(mp3DecodeData * data,
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* Attempt to calulcate the length of the song from filesize
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*/
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{
|
||||
off_t offset = data->inStream->offset;
|
||||
off_t offset = data->input_stream->offset;
|
||||
mad_timer_t duration = data->frame.header.duration;
|
||||
float frameTime = ((float)mad_timer_count(duration,
|
||||
MAD_UNITS_MILLISECONDS)) / 1000;
|
||||
float frame_duration = ((float)mad_timer_count(duration, MAD_UNITS_MILLISECONDS)) / 1000;
|
||||
|
||||
if (data->stream.this_frame != NULL)
|
||||
offset -= data->stream.bufend - data->stream.this_frame;
|
||||
else
|
||||
offset -= data->stream.bufend - data->stream.buffer;
|
||||
|
||||
if (data->inStream->size >= offset) {
|
||||
data->totalTime = ((data->inStream->size - offset) *
|
||||
if (data->input_stream->size >= offset) {
|
||||
data->total_time = ((data->input_stream->size - offset) *
|
||||
8.0) / (data->frame).header.bitrate;
|
||||
data->maxFrames = data->totalTime / frameTime +
|
||||
data->max_frames = data->total_time / frame_duration +
|
||||
FRAMES_CUSHION;
|
||||
} else {
|
||||
data->maxFrames = FRAMES_CUSHION;
|
||||
data->totalTime = 0;
|
||||
data->max_frames = FRAMES_CUSHION;
|
||||
data->total_time = 0;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* if an xing tag exists, use that!
|
||||
*/
|
||||
if (parse_xing(&xing, &ptr, &bitlen)) {
|
||||
data->foundXing = 1;
|
||||
data->muteFrame = MUTEFRAME_SKIP;
|
||||
data->found_xing = 1;
|
||||
data->mute_frame = MUTEFRAME_SKIP;
|
||||
|
||||
if ((xing.flags & XING_FRAMES) && xing.frames) {
|
||||
mad_timer_t duration = data->frame.header.duration;
|
||||
mad_timer_multiply(&duration, xing.frames);
|
||||
data->totalTime = ((float)mad_timer_count(duration, MAD_UNITS_MILLISECONDS)) / 1000;
|
||||
data->maxFrames = xing.frames;
|
||||
data->total_time = ((float)mad_timer_count(duration, MAD_UNITS_MILLISECONDS)) / 1000;
|
||||
data->max_frames = xing.frames;
|
||||
}
|
||||
|
||||
if (parse_lame(&lame, &ptr, &bitlen)) {
|
||||
if (gaplessPlaybackEnabled &&
|
||||
data->inStream->seekable) {
|
||||
data->dropSamplesAtStart = lame.encoderDelay +
|
||||
if (gapless_playback &&
|
||||
data->input_stream->seekable) {
|
||||
data->drop_start_samples = lame.encoder_delay +
|
||||
DECODERDELAY;
|
||||
data->dropSamplesAtEnd = lame.encoderPadding;
|
||||
data->drop_end_samples = lame.encoder_padding;
|
||||
}
|
||||
|
||||
/* Album gain isn't currently used. See comment in
|
||||
* parse_lame() for details. -- jat */
|
||||
if (replayGainInfo && !*replayGainInfo &&
|
||||
lame.trackGain) {
|
||||
*replayGainInfo = newReplayGainInfo();
|
||||
(*replayGainInfo)->trackGain = lame.trackGain;
|
||||
(*replayGainInfo)->trackPeak = lame.peak;
|
||||
if (replay_gain_info_r && !*replay_gain_info_r &&
|
||||
lame.track_gain) {
|
||||
*replay_gain_info_r = newReplayGainInfo();
|
||||
(*replay_gain_info_r)->trackGain = lame.track_gain;
|
||||
(*replay_gain_info_r)->trackPeak = lame.peak;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!data->maxFrames) return -1;
|
||||
if (!data->max_frames) return -1;
|
||||
|
||||
if (data->maxFrames > 8 * 1024 * 1024) {
|
||||
if (data->max_frames > 8 * 1024 * 1024) {
|
||||
ERROR("mp3 file header indicates too many frames: %lu",
|
||||
data->maxFrames);
|
||||
data->max_frames);
|
||||
return -1;
|
||||
}
|
||||
|
||||
data->frameOffset = xmalloc(sizeof(long) * data->maxFrames);
|
||||
data->times = xmalloc(sizeof(mad_timer_t) * data->maxFrames);
|
||||
data->frame_offsets = xmalloc(sizeof(long) * data->max_frames);
|
||||
data->times = xmalloc(sizeof(mad_timer_t) * data->max_frames);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void mp3DecodeDataFinalize(mp3DecodeData * data)
|
||||
static void mp3_data_finish(struct mp3_data *data)
|
||||
{
|
||||
mad_synth_finish(&data->synth);
|
||||
mad_frame_finish(&data->frame);
|
||||
mad_stream_finish(&data->stream);
|
||||
|
||||
if (data->frameOffset) free(data->frameOffset);
|
||||
if (data->frame_offsets) free(data->frame_offsets);
|
||||
if (data->times) free(data->times);
|
||||
}
|
||||
|
||||
/* this is primarily used for getting total time for tags */
|
||||
static int getMp3TotalTime(char *file)
|
||||
static int mp3_total_file_time(char *file)
|
||||
{
|
||||
struct input_stream inStream;
|
||||
mp3DecodeData data;
|
||||
struct input_stream input_stream;
|
||||
struct mp3_data data;
|
||||
int ret;
|
||||
|
||||
if (!input_stream_open(&inStream, file))
|
||||
if (!input_stream_open(&input_stream, file))
|
||||
return -1;
|
||||
initMp3DecodeData(&data, NULL, &inStream);
|
||||
if (decodeFirstFrame(&data, NULL, NULL) < 0)
|
||||
mp3_data_init(&data, NULL, &input_stream);
|
||||
if (mp3_decode_first_frame(&data, NULL, NULL) < 0)
|
||||
ret = -1;
|
||||
else
|
||||
ret = data.totalTime + 0.5;
|
||||
mp3DecodeDataFinalize(&data);
|
||||
input_stream_close(&inStream);
|
||||
ret = data.total_time + 0.5;
|
||||
mp3_data_finish(&data);
|
||||
input_stream_close(&input_stream);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int
|
||||
openMp3FromInputStream(struct input_stream *inStream, mp3DecodeData * data,
|
||||
struct decoder *decoder, struct tag **tag,
|
||||
ReplayGainInfo **replayGainInfo)
|
||||
mp3_open(struct input_stream *is, struct mp3_data *data,
|
||||
struct decoder *decoder, struct tag **tag,
|
||||
ReplayGainInfo **replay_gain_info_r)
|
||||
{
|
||||
initMp3DecodeData(data, decoder, inStream);
|
||||
mp3_data_init(data, decoder, is);
|
||||
*tag = NULL;
|
||||
if (decodeFirstFrame(data, tag, replayGainInfo) < 0) {
|
||||
mp3DecodeDataFinalize(data);
|
||||
if (mp3_decode_first_frame(data, tag, replay_gain_info_r) < 0) {
|
||||
mp3_data_finish(data);
|
||||
if (tag && *tag)
|
||||
tag_free(*tag);
|
||||
return -1;
|
||||
@ -784,7 +783,7 @@ openMp3FromInputStream(struct input_stream *inStream, mp3DecodeData * data,
|
||||
}
|
||||
|
||||
static enum mp3_action
|
||||
mp3Read(mp3DecodeData * data, ReplayGainInfo ** replayGainInfo)
|
||||
mp3_read(struct mp3_data *data, ReplayGainInfo **replay_gain_info_r)
|
||||
{
|
||||
struct decoder *decoder = data->decoder;
|
||||
unsigned int pcm_length, max_samples;
|
||||
@ -792,94 +791,94 @@ mp3Read(mp3DecodeData * data, ReplayGainInfo ** replayGainInfo)
|
||||
int ret;
|
||||
int skip;
|
||||
|
||||
if (data->currentFrame >= data->highestFrame) {
|
||||
if (data->current_frame >= data->highest_frame) {
|
||||
mad_timer_add(&data->timer, (data->frame).header.duration);
|
||||
data->bitRate = (data->frame).header.bitrate;
|
||||
if (data->currentFrame >= data->maxFrames) {
|
||||
data->currentFrame = data->maxFrames - 1;
|
||||
data->bit_rate = (data->frame).header.bitrate;
|
||||
if (data->current_frame >= data->max_frames) {
|
||||
data->current_frame = data->max_frames - 1;
|
||||
} else {
|
||||
data->highestFrame++;
|
||||
data->highest_frame++;
|
||||
}
|
||||
data->frameOffset[data->currentFrame] = data->inStream->offset;
|
||||
data->frame_offsets[data->current_frame] = data->input_stream->offset;
|
||||
if (data->stream.this_frame != NULL) {
|
||||
data->frameOffset[data->currentFrame] -=
|
||||
data->frame_offsets[data->current_frame] -=
|
||||
data->stream.bufend - data->stream.this_frame;
|
||||
} else {
|
||||
data->frameOffset[data->currentFrame] -=
|
||||
data->frame_offsets[data->current_frame] -=
|
||||
data->stream.bufend - data->stream.buffer;
|
||||
}
|
||||
data->times[data->currentFrame] = data->timer;
|
||||
data->times[data->current_frame] = data->timer;
|
||||
} else {
|
||||
data->timer = data->times[data->currentFrame];
|
||||
data->timer = data->times[data->current_frame];
|
||||
}
|
||||
data->currentFrame++;
|
||||
data->elapsedTime =
|
||||
data->current_frame++;
|
||||
data->elapsed_time =
|
||||
((float)mad_timer_count(data->timer, MAD_UNITS_MILLISECONDS)) /
|
||||
1000;
|
||||
|
||||
switch (data->muteFrame) {
|
||||
switch (data->mute_frame) {
|
||||
case MUTEFRAME_SKIP:
|
||||
data->muteFrame = MUTEFRAME_NONE;
|
||||
data->mute_frame = MUTEFRAME_NONE;
|
||||
break;
|
||||
case MUTEFRAME_SEEK:
|
||||
if (decoder_seek_where(decoder) <= data->elapsedTime) {
|
||||
if (decoder_seek_where(decoder) <= data->elapsed_time) {
|
||||
decoder_clear(decoder);
|
||||
data->muteFrame = MUTEFRAME_NONE;
|
||||
data->mute_frame = MUTEFRAME_NONE;
|
||||
decoder_command_finished(decoder);
|
||||
}
|
||||
break;
|
||||
case MUTEFRAME_NONE:
|
||||
mad_synth_frame(&data->synth, &data->frame);
|
||||
|
||||
if (!data->foundFirstFrame) {
|
||||
unsigned int samplesPerFrame = (data->synth).pcm.length;
|
||||
data->dropFramesAtStart = data->dropSamplesAtStart / samplesPerFrame;
|
||||
data->dropFramesAtEnd = data->dropSamplesAtEnd / samplesPerFrame;
|
||||
data->dropSamplesAtStart = data->dropSamplesAtStart % samplesPerFrame;
|
||||
data->dropSamplesAtEnd = data->dropSamplesAtEnd % samplesPerFrame;
|
||||
data->foundFirstFrame = 1;
|
||||
if (!data->found_first_frame) {
|
||||
unsigned int samples_per_frame = (data->synth).pcm.length;
|
||||
data->drop_start_frames = data->drop_start_samples / samples_per_frame;
|
||||
data->drop_end_frames = data->drop_end_samples / samples_per_frame;
|
||||
data->drop_start_samples = data->drop_start_samples % samples_per_frame;
|
||||
data->drop_end_samples = data->drop_end_samples % samples_per_frame;
|
||||
data->found_first_frame = 1;
|
||||
}
|
||||
|
||||
if (data->dropFramesAtStart > 0) {
|
||||
data->dropFramesAtStart--;
|
||||
if (data->drop_start_frames > 0) {
|
||||
data->drop_start_frames--;
|
||||
break;
|
||||
} else if ((data->dropFramesAtEnd > 0) &&
|
||||
(data->currentFrame == (data->maxFrames + 1 - data->dropFramesAtEnd))) {
|
||||
} else if ((data->drop_end_frames > 0) &&
|
||||
(data->current_frame == (data->max_frames + 1 - data->drop_end_frames))) {
|
||||
/* stop decoding, effectively dropping all remaining
|
||||
* frames */
|
||||
return DECODE_BREAK;
|
||||
}
|
||||
|
||||
if (data->inStream->meta_title) {
|
||||
if (data->input_stream->meta_title) {
|
||||
struct tag *tag = tag_new();
|
||||
if (data->inStream->meta_name) {
|
||||
if (data->input_stream->meta_name) {
|
||||
tag_add_item(tag, TAG_ITEM_NAME,
|
||||
data->inStream->meta_name);
|
||||
data->input_stream->meta_name);
|
||||
}
|
||||
tag_add_item(tag, TAG_ITEM_TITLE,
|
||||
data->inStream->meta_title);
|
||||
free(data->inStream->meta_title);
|
||||
data->inStream->meta_title = NULL;
|
||||
data->input_stream->meta_title);
|
||||
free(data->input_stream->meta_title);
|
||||
data->input_stream->meta_title = NULL;
|
||||
tag_free(tag);
|
||||
}
|
||||
|
||||
if (!data->decodedFirstFrame) {
|
||||
i = data->dropSamplesAtStart;
|
||||
data->decodedFirstFrame = 1;
|
||||
if (!data->decoded_first_frame) {
|
||||
i = data->drop_start_samples;
|
||||
data->decoded_first_frame = 1;
|
||||
} else
|
||||
i = 0;
|
||||
|
||||
pcm_length = data->synth.pcm.length;
|
||||
if (data->dropSamplesAtEnd &&
|
||||
(data->currentFrame == data->maxFrames - data->dropFramesAtEnd)) {
|
||||
if (data->dropSamplesAtEnd >= pcm_length)
|
||||
if (data->drop_end_samples &&
|
||||
(data->current_frame == data->max_frames - data->drop_end_frames)) {
|
||||
if (data->drop_end_samples >= pcm_length)
|
||||
pcm_length = 0;
|
||||
else
|
||||
pcm_length -= data->dropSamplesAtEnd;
|
||||
pcm_length -= data->drop_end_samples;
|
||||
}
|
||||
|
||||
max_samples = sizeof(data->outputBuffer) /
|
||||
sizeof(data->outputBuffer[0]) /
|
||||
max_samples = sizeof(data->output_buffer) /
|
||||
sizeof(data->output_buffer[0]) /
|
||||
MAD_NCHANNELS(&(data->frame).header);
|
||||
|
||||
while (i < pcm_length) {
|
||||
@ -890,53 +889,52 @@ mp3Read(mp3DecodeData * data, ReplayGainInfo ** replayGainInfo)
|
||||
|
||||
i += num_samples;
|
||||
|
||||
mad_fixed_to_24_buffer(data->outputBuffer,
|
||||
mad_fixed_to_24_buffer(data->output_buffer,
|
||||
&data->synth,
|
||||
i - num_samples, i,
|
||||
MAD_NCHANNELS(&(data->frame).header));
|
||||
num_samples *= MAD_NCHANNELS(&(data->frame).header);
|
||||
|
||||
cmd = decoder_data(decoder, data->inStream,
|
||||
data->inStream->seekable,
|
||||
data->outputBuffer,
|
||||
sizeof(data->outputBuffer[0]) * num_samples,
|
||||
data->elapsedTime,
|
||||
data->bitRate / 1000,
|
||||
(replayGainInfo != NULL) ? *replayGainInfo : NULL);
|
||||
cmd = decoder_data(decoder, data->input_stream,
|
||||
data->input_stream->seekable,
|
||||
data->output_buffer,
|
||||
sizeof(data->output_buffer[0]) * num_samples,
|
||||
data->elapsed_time,
|
||||
data->bit_rate / 1000,
|
||||
(replay_gain_info_r != NULL) ? *replay_gain_info_r : NULL);
|
||||
if (cmd == DECODE_COMMAND_STOP)
|
||||
return DECODE_BREAK;
|
||||
}
|
||||
|
||||
if (data->dropSamplesAtEnd &&
|
||||
(data->currentFrame == data->maxFrames - data->dropFramesAtEnd))
|
||||
if (data->drop_end_samples &&
|
||||
(data->current_frame == data->max_frames - data->drop_end_frames))
|
||||
/* stop decoding, effectively dropping
|
||||
* all remaining samples */
|
||||
return DECODE_BREAK;
|
||||
|
||||
if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK &&
|
||||
data->inStream->seekable) {
|
||||
data->input_stream->seekable) {
|
||||
unsigned long j = 0;
|
||||
data->muteFrame = MUTEFRAME_SEEK;
|
||||
while (j < data->highestFrame &&
|
||||
data->mute_frame = MUTEFRAME_SEEK;
|
||||
while (j < data->highest_frame &&
|
||||
decoder_seek_where(decoder) >
|
||||
((float)mad_timer_count(data->times[j],
|
||||
MAD_UNITS_MILLISECONDS))
|
||||
/ 1000) {
|
||||
j++;
|
||||
}
|
||||
if (j < data->highestFrame) {
|
||||
if (seekMp3InputBuffer(data,
|
||||
data->frameOffset[j]) ==
|
||||
0) {
|
||||
if (j < data->highest_frame) {
|
||||
if (mp3_seek(data,
|
||||
data->frame_offsets[j]) == 0) {
|
||||
decoder_clear(decoder);
|
||||
data->currentFrame = j;
|
||||
data->current_frame = j;
|
||||
decoder_command_finished(decoder);
|
||||
} else
|
||||
decoder_seek_error(decoder);
|
||||
data->muteFrame = MUTEFRAME_NONE;
|
||||
data->mute_frame = MUTEFRAME_NONE;
|
||||
}
|
||||
} else if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK &&
|
||||
!data->inStream->seekable) {
|
||||
!data->input_stream->seekable) {
|
||||
decoder_seek_error(decoder);
|
||||
}
|
||||
}
|
||||
@ -944,14 +942,14 @@ mp3Read(mp3DecodeData * data, ReplayGainInfo ** replayGainInfo)
|
||||
while (1) {
|
||||
skip = 0;
|
||||
while ((ret =
|
||||
decodeNextFrameHeader(data, NULL,
|
||||
replayGainInfo)) == DECODE_CONT
|
||||
decode_next_frame_header(data, NULL,
|
||||
replay_gain_info_r)) == DECODE_CONT
|
||||
&& decoder_get_command(decoder) == DECODE_COMMAND_NONE) ;
|
||||
if (ret == DECODE_BREAK || decoder_get_command(decoder) != DECODE_COMMAND_NONE)
|
||||
break;
|
||||
else if (ret == DECODE_SKIP)
|
||||
skip = 1;
|
||||
if (data->muteFrame == MUTEFRAME_NONE) {
|
||||
if (data->mute_frame == MUTEFRAME_NONE) {
|
||||
while ((ret = decodeNextFrame(data)) == DECODE_CONT &&
|
||||
decoder_get_command(decoder) == DECODE_COMMAND_NONE) ;
|
||||
if (ret == DECODE_BREAK ||
|
||||
@ -977,8 +975,7 @@ mp3Read(mp3DecodeData * data, ReplayGainInfo ** replayGainInfo)
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void initAudioFormatFromMp3DecodeData(mp3DecodeData * data,
|
||||
struct audio_format * af)
|
||||
static void mp3_audio_format(struct mp3_data *data, struct audio_format *af)
|
||||
{
|
||||
af->bits = 24;
|
||||
af->sample_rate = (data->frame).header.samplerate;
|
||||
@ -986,15 +983,15 @@ static void initAudioFormatFromMp3DecodeData(mp3DecodeData * data,
|
||||
}
|
||||
|
||||
static int
|
||||
mp3_decode(struct decoder * decoder, struct input_stream *inStream)
|
||||
mp3_decode(struct decoder *decoder, struct input_stream *input_stream)
|
||||
{
|
||||
mp3DecodeData data;
|
||||
struct mp3_data data;
|
||||
struct tag *tag = NULL;
|
||||
ReplayGainInfo *replayGainInfo = NULL;
|
||||
ReplayGainInfo *replay_gain_info = NULL;
|
||||
struct audio_format audio_format;
|
||||
|
||||
if (openMp3FromInputStream(inStream, &data, decoder,
|
||||
&tag, &replayGainInfo) < 0) {
|
||||
if (mp3_open(input_stream, &data, decoder,
|
||||
&tag, &replay_gain_info) < 0) {
|
||||
if (decoder_get_command(decoder) == DECODE_COMMAND_NONE) {
|
||||
ERROR
|
||||
("Input does not appear to be a mp3 bit stream.\n");
|
||||
@ -1003,67 +1000,69 @@ mp3_decode(struct decoder * decoder, struct input_stream *inStream)
|
||||
return 0;
|
||||
}
|
||||
|
||||
initAudioFormatFromMp3DecodeData(&data, &audio_format);
|
||||
mp3_audio_format(&data, &audio_format);
|
||||
|
||||
if (inStream->meta_title) {
|
||||
if (input_stream->meta_title) {
|
||||
if (tag)
|
||||
tag_free(tag);
|
||||
tag = tag_new();
|
||||
tag_add_item(tag, TAG_ITEM_TITLE, inStream->meta_title);
|
||||
free(inStream->meta_title);
|
||||
inStream->meta_title = NULL;
|
||||
if (inStream->meta_name) {
|
||||
tag_add_item(tag, TAG_ITEM_NAME, inStream->meta_name);
|
||||
tag_add_item(tag, TAG_ITEM_TITLE, input_stream->meta_title);
|
||||
free(input_stream->meta_title);
|
||||
input_stream->meta_title = NULL;
|
||||
if (input_stream->meta_name) {
|
||||
tag_add_item(tag, TAG_ITEM_NAME,
|
||||
input_stream->meta_name);
|
||||
}
|
||||
tag_free(tag);
|
||||
} else if (tag) {
|
||||
if (inStream->meta_name) {
|
||||
if (input_stream->meta_name) {
|
||||
tag_clear_items_by_type(tag, TAG_ITEM_NAME);
|
||||
tag_add_item(tag, TAG_ITEM_NAME, inStream->meta_name);
|
||||
tag_add_item(tag, TAG_ITEM_NAME,
|
||||
input_stream->meta_name);
|
||||
}
|
||||
tag_free(tag);
|
||||
} else if (inStream->meta_name) {
|
||||
} else if (input_stream->meta_name) {
|
||||
tag = tag_new();
|
||||
if (inStream->meta_name) {
|
||||
tag_add_item(tag, TAG_ITEM_NAME, inStream->meta_name);
|
||||
if (input_stream->meta_name) {
|
||||
tag_add_item(tag, TAG_ITEM_NAME,
|
||||
input_stream->meta_name);
|
||||
}
|
||||
tag_free(tag);
|
||||
}
|
||||
|
||||
decoder_initialized(decoder, &audio_format, data.totalTime);
|
||||
decoder_initialized(decoder, &audio_format, data.total_time);
|
||||
|
||||
while (mp3Read(&data, &replayGainInfo) != DECODE_BREAK) ;
|
||||
while (mp3_read(&data, &replay_gain_info) != DECODE_BREAK) ;
|
||||
|
||||
if (replayGainInfo)
|
||||
freeReplayGainInfo(replayGainInfo);
|
||||
if (replay_gain_info)
|
||||
freeReplayGainInfo(replay_gain_info);
|
||||
|
||||
if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK &&
|
||||
data.muteFrame == MUTEFRAME_SEEK) {
|
||||
data.mute_frame == MUTEFRAME_SEEK) {
|
||||
decoder_clear(decoder);
|
||||
decoder_command_finished(decoder);
|
||||
}
|
||||
|
||||
decoder_flush(decoder);
|
||||
mp3DecodeDataFinalize(&data);
|
||||
mp3_data_finish(&data);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct tag *mp3_tagDup(char *file)
|
||||
static struct tag *mp3_tag_dup(char *file)
|
||||
{
|
||||
struct tag *ret = NULL;
|
||||
int total_time;
|
||||
|
||||
ret = tag_id3_load(file);
|
||||
|
||||
total_time = getMp3TotalTime(file);
|
||||
|
||||
total_time = mp3_total_file_time(file);
|
||||
if (total_time >= 0) {
|
||||
if (!ret)
|
||||
ret = tag_new();
|
||||
ret->time = total_time;
|
||||
} else {
|
||||
DEBUG("mp3_tagDup: Failed to get total song time from: %s\n",
|
||||
DEBUG("mp3_tag_dup: Failed to get total song time from: %s\n",
|
||||
file);
|
||||
}
|
||||
|
||||
@ -1071,14 +1070,14 @@ static struct tag *mp3_tagDup(char *file)
|
||||
}
|
||||
|
||||
static const char *mp3_suffixes[] = { "mp3", "mp2", NULL };
|
||||
static const char *mp3_mimeTypes[] = { "audio/mpeg", NULL };
|
||||
static const char *mp3_mime_types[] = { "audio/mpeg", NULL };
|
||||
|
||||
struct decoder_plugin mp3Plugin = {
|
||||
.name = "mp3",
|
||||
.init = mp3_plugin_init,
|
||||
.stream_decode = mp3_decode,
|
||||
.tag_dup = mp3_tagDup,
|
||||
.tag_dup = mp3_tag_dup,
|
||||
.stream_types = INPUT_PLUGIN_STREAM_FILE | INPUT_PLUGIN_STREAM_URL,
|
||||
.suffixes = mp3_suffixes,
|
||||
.mime_types = mp3_mimeTypes
|
||||
.mime_types = mp3_mime_types
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user