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Code Issues Releases Activity

avcodec/av1_metadata_bsf: Use separate contexts for reading/writing

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Based on code from 235a5734e0

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-07-07 22:29:46 -03:00
parent db7dfb4a79
commit c91be9de4c
1 changed files with 14 additions and 9 deletions
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23
libavcodec/av1_metadata_bsf.c
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@ -33,7 +33,8 @@ enum {
typedef struct AV1MetadataContext {
const AVClass *class;
CodedBitstreamContext *cbc;
CodedBitstreamContext *input;
CodedBitstreamContext *output;
CodedBitstreamFragment access_unit;
int td;
@ -125,7 +126,7 @@ static int av1_metadata_update_side_data(AVBSFContext *bsf, AVPacket *pkt)
if (!side_data_size)
return 0;
err = ff_cbs_read(ctx->cbc, frag, side_data, side_data_size);
err = ff_cbs_read(ctx->input, frag, side_data, side_data_size);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read extradata from packet side data.\n");
return err;
@ -140,7 +141,7 @@ static int av1_metadata_update_side_data(AVBSFContext *bsf, AVPacket *pkt)
}
}
err = ff_cbs_write_fragment_data(ctx->cbc, frag);
err = ff_cbs_write_fragment_data(ctx->output, frag);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to write extradata into packet side data.\n");
return err;
@ -171,7 +172,7 @@ static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
if (err < 0)
goto fail;
err = ff_cbs_read_packet(ctx->cbc, frag, pkt);
err = ff_cbs_read_packet(ctx->input, frag, pkt);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read packet.\n");
goto fail;
@ -216,7 +217,7 @@ static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
}
}
err = ff_cbs_write_packet(ctx->cbc, pkt, frag);
err = ff_cbs_write_packet(ctx->output, pkt, frag);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to write packet.\n");
goto fail;
@ -239,12 +240,15 @@ static int av1_metadata_init(AVBSFContext *bsf)
AV1RawOBU *obu;
int err, i;
err = ff_cbs_init(&ctx->cbc, AV_CODEC_ID_AV1, bsf);
err = ff_cbs_init(&ctx->input, AV_CODEC_ID_AV1, bsf);
if (err < 0)
return err;
err = ff_cbs_init(&ctx->output, AV_CODEC_ID_AV1, bsf);
if (err < 0)
return err;
if (bsf->par_in->extradata) {
err = ff_cbs_read_extradata(ctx->cbc, frag, bsf->par_in);
err = ff_cbs_read_extradata(ctx->input, frag, bsf->par_in);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
goto fail;
@ -259,7 +263,7 @@ static int av1_metadata_init(AVBSFContext *bsf)
}
}
err = ff_cbs_write_extradata(ctx->cbc, bsf->par_out, frag);
err = ff_cbs_write_extradata(ctx->output, bsf->par_out, frag);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
goto fail;
@ -277,7 +281,8 @@ static void av1_metadata_close(AVBSFContext *bsf)
AV1MetadataContext *ctx = bsf->priv_data;
ff_cbs_fragment_free(&ctx->access_unit);
ff_cbs_close(&ctx->cbc);
ff_cbs_close(&ctx->input);
ff_cbs_close(&ctx->output);
}
#define OFFSET(x) offsetof(AV1MetadataContext, x)