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aacenc: Fix issues with huge values of bit_rate.

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Do not pointlessly call ff_alloc_packet multiple times,
and fix an infinite loop by clamping the maximum
number of bits to target in the algorithm that does
not use lambda.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Reimar Döffinger 2012-04-06 15:25:05 +02:00 • committed by Derek Buitenhuis
parent db6e26d70c
commit 0f96f0d996
2 changed files with 8 additions and 4 deletions
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3
libavcodec/aaccoder.c
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@ -721,6 +721,9 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx,
int allz = 0;
float minthr = INFINITY;
// for values above this the decoder might end up in an endless loop
// due to always having more bits than what can be encoded.
destbits = FFMIN(destbits, 5800);
//XXX: some heuristic to determine initial quantizers will reduce search time
//determine zero bands and upper limits
for (w = 0; w < sce->ics.num_windows; w += sce->ics.group_len[w]) {