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fix Fix problematic realloc (#19812)

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old-commit-hash: e7360292351d11db4fd5c08a22624286957c68b9
This commit is contained in:
Dean Lee
2021-03-13 11:57:07 +08:00
committed by GitHub
parent bea33f843e
commit 21346b0980
1 changed files with 2 additions and 4 deletions
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selfdrive/loggerd/omx_encoder.cc
+2 -4
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@@ -349,12 +349,10 @@ void OmxEncoder::handle_out_buf(OmxEncoder *e, OMX_BUFFERHEADERTYPE *out_buf) {
if (e->remuxing) {
if (!e->wrote_codec_config && e->codec_config_len > 0) {
if (e->codec_ctx->extradata_size < e->codec_config_len) {
e->codec_ctx->extradata = (uint8_t *)realloc(e->codec_ctx->extradata, e->codec_config_len + AV_INPUT_BUFFER_PADDING_SIZE);
}
// extradata will be freed by av_free() in avcodec_free_context()
e->codec_ctx->extradata = (uint8_t*)av_mallocz(e->codec_config_len + AV_INPUT_BUFFER_PADDING_SIZE);
e->codec_ctx->extradata_size = e->codec_config_len;
memcpy(e->codec_ctx->extradata, e->codec_config, e->codec_config_len);
memset(e->codec_ctx->extradata + e->codec_ctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
err = avcodec_parameters_from_context(e->out_stream->codecpar, e->codec_ctx);
assert(err >= 0);