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author | Jean-Marc Valin <jmvalin@amazon.com> | 2022-12-21 17:40:25 -0500 |
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committer | Jean-Marc Valin <jmvalin@amazon.com> | 2022-12-21 17:40:25 -0500 |
commit | 40f7ec5164e3285346b4cbc3988f0154a90bf6ae (patch) | |
tree | 75f68cf1ad1b0949e61deb4379a60ad4d8652edb | |
parent | 57812fa4c728eae3d4a4edc3532c1954fe83264b (diff) | |
download | opus-40f7ec5164e3285346b4cbc3988f0154a90bf6ae.tar.gz |
Making sure we don't bust the DRED buffer
-rw-r--r-- | silk/dred_encoder.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/silk/dred_encoder.c b/silk/dred_encoder.c index 5ab56ed1..ca9b6f0d 100644 --- a/silk/dred_encoder.c +++ b/silk/dred_encoder.c @@ -92,6 +92,9 @@ int dred_encode_silk_frame(DREDEnc *enc, unsigned char *buf, int max_chunks, int for (i = 0; i < IMIN(2*max_chunks, enc->latents_buffer_fill-1); i += 2) { + ec_enc ec_bak; + ec_bak = ec_encoder; + q_level = (int) floor(0.5f + DRED_ENC_Q0 + 1.f * (DRED_ENC_Q1 - DRED_ENC_Q0) * i / (DRED_NUM_REDUNDANCY_FRAMES - 2)); offset = q_level * DRED_LATENT_DIM; @@ -103,6 +106,10 @@ int dred_encode_silk_frame(DREDEnc *enc, unsigned char *buf, int max_chunks, int r + offset, p0 + offset ); + if (ec_tell(&ec_encoder) > 8*max_bytes) { + ec_encoder = ec_bak; + break; + } } ec_buffer_fill = (ec_tell(&ec_encoder)+7)/8; |