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cbs: Refcount all the things!

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This makes it easier for users of the CBS API to get alloc/free right -
all subelements use the buffer API so that it's clear how to free them.
It also allows eliding some redundant copies: the packet -> fragment copy
disappears after this change if the input packet is refcounted, and more
codec-specific cases are now possible (but not included in this patch).
This commit is contained in:
Mark Thompson 2018-02-11 00:51:33 +00:00
parent 13ca5d34ba
commit ce5870a3a8
15 changed files with 416 additions and 291 deletions
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2
libavcodec/vaapi_encode_mpeg2.c
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@ -92,7 +92,7 @@ static int vaapi_encode_mpeg2_add_header(AVCodecContext *avctx,
VAAPIEncodeMPEG2Context *priv = ctx->priv_data;
int err;
err = ff_cbs_insert_unit_content(priv->cbc, frag, -1, type, header);
err = ff_cbs_insert_unit_content(priv->cbc, frag, -1, type, header, NULL);
if (err < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to add header: "
"type = %d.\n", type);