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mfcdec: Compensate race condition in video thumbnail generation

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Calling the decoder immediately after encoding a video often
trips on the ongoing mfc buffer flushes from the encoder that has
just shut down, and fails due to the unavailability of any buffer of
sufficient size. If MFC_DEC_INIT fails, give it 100msec and try
again. This resolves the blank thumbs when switching to the
gallery in the same session that a recording was made.

Change-Id: I13b1be8757b314e1c903a0570f9b053550164616
This commit is contained in:
Ricardo Cerqueira 2014-01-06 18:21:01 +00:00
parent 674a4f10ca
commit e2f7ac211d
1 changed files with 7 additions and 0 deletions
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7
exynos/multimedia/codecs/video/exynos4/mfc/dec/src/SsbSipMfcDecAPI.c
View file

@ -243,6 +243,7 @@ SSBSIP_MFC_ERROR_CODE SsbSipMfcDecInit (void *openHandle, SSBSIP_MFC_CODEC_TYPE
int packedPB = 0;
struct mfc_common_args DecArg;
_MFCLIB *pCTX;
int retries = 3;
if (openHandle == NULL) {
ALOGE("SsbSipMfcDecInit] openHandle is NULL");
@ -298,8 +299,14 @@ SSBSIP_MFC_ERROR_CODE SsbSipMfcDecInit (void *openHandle, SSBSIP_MFC_CODEC_TYPE
/* sequence start args */
/* no needs */
retry:
r = ioctl(pCTX->hMFC, IOCTL_MFC_DEC_INIT, &DecArg);
if (DecArg.ret_code != MFC_OK) {
if (retries) {
retries--;
usleep(100000);
goto retry;
}
ALOGE("SsbSipMfcDecInit] IOCTL_MFC_DEC_INIT failed");
return MFC_RET_DEC_INIT_FAIL;
}