frodovdr/vdr-plugin-softhddevice
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Quick&dirty support for mpeg LPCM streams.

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This commit is contained in:
Johns 2012-02-06 22:58:42 +01:00
parent c972f8c4dd
commit 99728258f1
2 changed files with 29 additions and 4 deletions
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1
ChangeLog
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@ -1,6 +1,7 @@
User johns
Date:
Quick&dirty support for mpeg LPCM streams.
Workaround for text2skin undrawn OSD areas.
Detect dvb LPCM stream and ignore it.

28
softhddev.c
View File

@ -282,8 +282,20 @@ int PlayAudio(const uint8_t * data, int size,
// Private stram + LPCM ID
} else if (data[-n - 9 + 3] == 0xBD && data[0] == 0xA0) {
if (AudioCodecID != CODEC_ID_PCM_DVD) {
Debug(3, "[softhddev]%s: LPCM %d\n", __FUNCTION__, id);
int samplerate;
int channels;
Debug(3, "[softhddev]%s: LPCM %d sr:%d bits:%d chan:%d\n",
__FUNCTION__, id, data[5] >> 6,
(((data[5] >> 4) & 0x3) + 4) * 4, (data[5] & 0x7) + 1);
CodecAudioClose(MyAudioDecoder);
// FIXME: check supported formats.
samplerate = 48000;
channels = 2;
AudioSetup(&samplerate, &channels, 0);
printf("%d\n", size);
//CodecAudioOpen(MyAudioDecoder, NULL, CODEC_ID_PCM_DVD);
AudioCodecID = CODEC_ID_PCM_DVD;
}
@ -313,9 +325,21 @@ int PlayAudio(const uint8_t * data, int size,
}
}
if (AudioCodecID == CODEC_ID_PCM_DVD) {
if (size > 7) {
char *buf;
if (!(buf = malloc(size - 7))) {
Error(_("softhddev: out of memory\n"));
} else {
swab(data + 7, buf, size - 7);
AudioEnqueue(buf, size - 7);
free(buf);
}
}
} else {
avpkt->data = (void *)data;
avpkt->size = size;
if (AudioCodecID != CODEC_ID_PCM_DVD) {
CodecAudioDecode(MyAudioDecoder, avpkt);
}