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-rw-r--r--src/main.c31
-rw-r--r--src/player.c64
-rw-r--r--src/player.h10
3 files changed, 79 insertions, 26 deletions
diff --git a/src/main.c b/src/main.c
index 33ece10..c08fc57 100644
--- a/src/main.c
+++ b/src/main.c
@@ -45,11 +45,6 @@ THE SOFTWARE.
#include "config.h"
#include "ui.h"
-inline float BarSamplesToSeconds (float samplerate, float channels,
- float samples) {
- return channels * 1000.0 * samples / samplerate;
-}
-
int main (int argc, char **argv) {
PianoHandle_t ph;
static struct audioPlayer player;
@@ -128,13 +123,11 @@ int main (int argc, char **argv) {
while (!doQuit) {
/* already played a song, clean up things/scrobble song */
if (player.mode == PLAYER_FINISHED_PLAYBACK) {
- scrobbleSong.length = BarSamplesToSeconds (player.samplerate,
- player.channels, player.sampleSizeN);
- /* scrobble when >= nn% are played */
- if (BarSamplesToSeconds (player.samplerate,
- player.channels, player.sampleSizeCurr) * 100 /
- scrobbleSong.length >=
- settings.lastfmScrobblePercent &&
+ scrobbleSong.length = player.songDuration / BAR_PLAYER_MS_TO_S_FACTOR;
+ /* scrobble when >= nn% are played; use seconds, not
+ * milliseconds */
+ if (player.songPlayed / BAR_PLAYER_MS_TO_S_FACTOR * 100 /
+ scrobbleSong.length >= settings.lastfmScrobblePercent &&
settings.enableScrobbling) {
WardrobeReturn_t wRet;
@@ -224,14 +217,12 @@ int main (int argc, char **argv) {
/* show time */
if (player.mode >= PLAYER_SAMPLESIZE_INITIALIZED &&
player.mode < PLAYER_FINISHED_PLAYBACK) {
- float songLength = BarSamplesToSeconds (player.samplerate,
- player.channels, player.sampleSizeN);
- float songRemaining = songLength -
- BarSamplesToSeconds (player.samplerate,
- player.channels, player.sampleSizeCurr);
- printf ("-%02i:%02i/%02i:%02i\r", (int) songRemaining/60,
- (int) songRemaining%60, (int) songLength/60,
- (int) songLength%60);
+ long int songRemaining = player.songDuration - player.songPlayed;
+ printf ("-%02i:%02i/%02i:%02i\r",
+ (int) songRemaining / BAR_PLAYER_MS_TO_S_FACTOR / 60,
+ (int) songRemaining / BAR_PLAYER_MS_TO_S_FACTOR % 60,
+ (int) player.songDuration / BAR_PLAYER_MS_TO_S_FACTOR / 60,
+ (int) player.songDuration / BAR_PLAYER_MS_TO_S_FACTOR % 60);
fflush (stdout);
}
}
diff --git a/src/player.c b/src/player.c
index 4266e44..e6edf2e 100644
--- a/src/player.c
+++ b/src/player.c
@@ -137,6 +137,10 @@ size_t BarPlayerAACCurlCb (void *ptr, size_t size, size_t nmemb, void *stream) {
/* ao_play needs bytes: 1 sample = 16 bits = 2 bytes */
ao_play (player->audioOutDevice, (char *) aacDecoded,
frameInfo.samples * 2);
+ /* add played frame length to played time, explained below */
+ player->songPlayed += (float) frameInfo.samples *
+ (float) BAR_PLAYER_MS_TO_S_FACTOR /
+ (float) player->samplerate / (float) player->channels;
player->bufferRead += frameInfo.bytesconsumed;
player->sampleSizeCurr++;
/* going through this loop can take up to a few seconds =>
@@ -214,6 +218,16 @@ size_t BarPlayerAACCurlCb (void *ptr, size_t size, size_t nmemb, void *stream) {
sizeof (player->sampleSizeN));
player->bufferRead += 4;
player->sampleSizeCurr = 0;
+ /* set up song duration (assuming one frame always contains
+ * the same number of samples); numbers are too huge => use
+ * float
+ * calculation: channels * number of frames * samples per
+ * frame / samplerate */
+ /* FIXME: Hard-coded number of samples per frame */
+ player->songDuration = (float) player->sampleSizeN *
+ 4096.0 * (float) BAR_PLAYER_MS_TO_S_FACTOR /
+ (float) player->samplerate /
+ (float) player->channels;
break;
} else {
player->sampleSize[player->sampleSizeCurr] =
@@ -297,7 +311,6 @@ size_t BarPlayerMp3CurlCb (void *ptr, size_t size, size_t nmemb, void *stream) {
break;
}
}
- mad_timer_add (&player->mp3Timer, player->mp3Frame.header.duration);
mad_synth_frame (&player->mp3Synth, &player->mp3Frame);
for (i = 0; i < player->mp3Synth.pcm.length; i++) {
/* left channel */
@@ -321,12 +334,20 @@ size_t BarPlayerMp3CurlCb (void *ptr, size_t size, size_t nmemb, void *stream) {
format.byte_format = AO_FMT_LITTLE;
player->audioOutDevice = ao_open_live (audioOutDriver,
&format, NULL);
- player->mode = PLAYER_AUDIO_INITIALIZED;
+ /* must be > PLAYER_SAMPLESIZE_INITIALIZED, otherwise time won't
+ * be visible to user (ugly, but mp3 decoding != aac decoding) */
+ player->mode = PLAYER_RECV_DATA;
}
/* samples * length * channels */
ao_play (player->audioOutDevice, (char *) madDecoded,
player->mp3Synth.pcm.length * 2 * 2);
+ /* same calculation as in aac player; don't need to divide by channels,
+ * length is number of samples for _one_ channel */
+ player->songPlayed += (float) player->mp3Synth.pcm.length *
+ (float) BAR_PLAYER_MS_TO_S_FACTOR /
+ (float) player->samplerate;
+
QUIT_PAUSE_CHECK;
} while (player->mp3Stream.error != MAD_ERROR_BUFLEN);
@@ -336,6 +357,40 @@ size_t BarPlayerMp3CurlCb (void *ptr, size_t size, size_t nmemb, void *stream) {
return size*nmemb;
}
+
+/* get file length; needed for mp3 only atm
+ * @param header line
+ * @param size of _one_ element
+ * @param number of elements
+ * @param optional data (player in this case)
+ * @return read data size or -1
+ */
+size_t BarPlayerParseHeader (void *ptr, size_t size, size_t nmemb,
+ void *stream) {
+ char *data = ptr;
+ struct audioPlayer *player = stream;
+ char lengthBuffer[20];
+ const char identString[] = "Content-Length: ";
+ size_t identStringLength = strlen (identString);
+ size_t contentLength = 0;
+
+ /* avoid buffer overflow */
+ if (size*nmemb > identStringLength &&
+ size*nmemb - identStringLength < sizeof (lengthBuffer) - 1) {
+ if (memcmp (data, identString, identStringLength) == 0) {
+ memset (lengthBuffer, 0, sizeof (lengthBuffer));
+ memcpy (lengthBuffer, data+identStringLength, size*nmemb -
+ identStringLength);
+ contentLength = atol (lengthBuffer);
+ /* force floating point division to avoid overflows;
+ * calculation: file size / (kbit/s * kilo / bits per byte) */
+ /* FIXME: hardcoded kbits/s */
+ player->songDuration = (float) contentLength / (128.0 * 1000.0 /
+ (float) BAR_PLAYER_MS_TO_S_FACTOR / 8.0);
+ }
+ }
+ return size*nmemb;
+}
#endif /* ENABLE_MAD */
/* player thread; for every song a new thread is started
@@ -373,10 +428,13 @@ void *BarPlayerThread (void *data) {
mad_stream_init (&player->mp3Stream);
mad_frame_init (&player->mp3Frame);
mad_synth_init (&player->mp3Synth);
- mad_timer_reset (&player->mp3Timer);
curl_easy_setopt (player->audioFd, CURLOPT_WRITEFUNCTION,
BarPlayerMp3CurlCb);
+ curl_easy_setopt (player->audioFd, CURLOPT_HEADERFUNCTION,
+ BarPlayerParseHeader);
+ curl_easy_setopt (player->audioFd, CURLOPT_WRITEHEADER,
+ (void *) player);
break;
#endif /* ENABLE_MAD */
diff --git a/src/player.h b/src/player.h
index eab03a9..ec77f16 100644
--- a/src/player.h
+++ b/src/player.h
@@ -40,6 +40,8 @@ THE SOFTWARE.
#include <pthread.h>
#include <piano.h>
+#define BAR_PLAYER_MS_TO_S_FACTOR 1000
+
struct audioPlayer {
/* buffer; should be large enough */
unsigned char buffer[CURL_MAX_WRITE_SIZE*2];
@@ -54,14 +56,17 @@ struct audioPlayer {
PianoAudioFormat_t audioFormat;
- size_t sampleSizeN;
- size_t sampleSizeCurr;
+ /* duration and already played time; measured in milliseconds */
+ unsigned long int songDuration;
+ unsigned long int songPlayed;
/* aac */
#ifdef ENABLE_FAAD
NeAACDecHandle aacHandle;
/* stsz atom: sample sizes */
unsigned int *sampleSize;
+ size_t sampleSizeN;
+ size_t sampleSizeCurr;
#endif
/* mp3 */
@@ -69,7 +74,6 @@ struct audioPlayer {
struct mad_stream mp3Stream;
struct mad_frame mp3Frame;
struct mad_synth mp3Synth;
- mad_timer_t mp3Timer;
#endif
unsigned long samplerate;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-04 21:52:51 +0000