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respect AOPLAY_FINAL_CHUNK and do not discard samples read from buffer

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on underrun.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18812 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2006-06-25 09:02:47 +00:00
parent 6811f8c042
commit 6e809b6f52
1 changed files with 10 additions and 3 deletions
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13
libao2/ao_jack.c
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@ -130,10 +130,13 @@ static int write_buffer(unsigned char* data, int len) {
*
* Assumes the data in the buffer is of type float, the number of bytes
* read is res * num_bufs * sizeof(float), where res is the return value.
* If there is not enough data in the buffer remaining parts will be filled
* with silence.
*/
static int read_buffer(float **bufs, int cnt, int num_bufs) {
int buffered = buf_used();
int i, j;
int orig_cnt = cnt;
if (cnt * sizeof(float) * num_bufs > buffered)
cnt = buffered / sizeof(float) / num_bufs;
for (i = 0; i < cnt; i++) {
@ -142,6 +145,9 @@ static int read_buffer(float **bufs, int cnt, int num_bufs) {
read_pos = (read_pos + sizeof(float)) % BUFFSIZE;
}
}
for (i = cnt; i < orig_cnt; i++)
for (j = 0; j < num_bufs; j++)
bufs[j][i] = 0;
return cnt;
}
@ -177,11 +183,11 @@ static int outputaudio(jack_nframes_t nframes, void *arg) {
int i;
for (i = 0; i < num_ports; i++)
bufs[i] = jack_port_get_buffer(ports[i], nframes);
if (!paused && !underrun)
if (read_buffer(bufs, nframes, num_ports) < nframes)
underrun = 1;
if (paused || underrun)
silence(bufs, nframes, num_ports);
else
if (read_buffer(bufs, nframes, num_ports) < nframes)
underrun = 1;
if (estimate) {
float now = (float)GetTimer() / 1000000.0;
float diff = callback_time + callback_interval - now;
@ -349,6 +355,7 @@ static int get_space() {
* \brief write data into buffer and reset underrun flag
*/
static int play(void *data, int len, int flags) {
if (!(flags & AOPLAY_FINAL_CHUNK))
len -= len % ao_data.outburst;
underrun = 0;
return write_buffer(data, len);