static int trace_headers_init(AVBSFContext *bsf)
{
TraceHeadersContext *ctx = bsf->priv_data;
int err;
err = ff_cbs_init(&ctx->cbc, bsf->par_in->codec_id, bsf);
if (err < 0)
return err;
ctx->cbc.trace_enable = 1;
ctx->cbc.trace_level = AV_LOG_INFO;
if (bsf->par_in->extradata) {
CodedBitstreamFragment ps;
av_log(bsf, AV_LOG_INFO, "Extradata\n");
err = ff_cbs_read_extradata(&ctx->cbc, &ps, bsf->par_in);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
return err;
}
ff_cbs_fragment_uninit(&ctx->cbc, &ps);
}
return 0;
}
static int filter_units_init(AVBSFContext *bsf)
{
FilterUnitsContext *ctx = bsf->priv_data;
int err;
if (ctx->pass_types && ctx->remove_types) {
av_log(bsf, AV_LOG_ERROR, "Exactly one of pass_types or "
"remove_types is required.\n");
return AVERROR(EINVAL);
}
if (ctx->pass_types) {
ctx->mode = PASS;
err = filter_units_make_type_list(ctx->pass_types,
&ctx->type_list, &ctx->nb_types);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to parse pass_types.\n");
return err;
}
} else if (ctx->remove_types) {
ctx->mode = REMOVE;
err = filter_units_make_type_list(ctx->remove_types,
&ctx->type_list, &ctx->nb_types);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to parse remove_types.\n");
return err;
}
} else {
return 0;
}
err = ff_cbs_init(&ctx->cbc, bsf->par_in->codec_id, bsf);
if (err < 0)
return err;
// Don't actually decompose anything, we only want the unit data.
ctx->cbc->decompose_unit_types = ctx->type_list;
ctx->cbc->nb_decompose_unit_types = 0;
if (bsf->par_in->extradata) {
CodedBitstreamFragment ps;
err = ff_cbs_read_extradata(ctx->cbc, &ps, bsf->par_in);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
} else {
err = ff_cbs_write_extradata(ctx->cbc, bsf->par_out, &ps);
if (err < 0)
av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
}
ff_cbs_fragment_uninit(ctx->cbc, &ps);
}
return err;
}
static int h264_redundant_pps_init(AVBSFContext *bsf)
{
H264RedundantPPSContext *ctx = bsf->priv_data;
CodedBitstreamFragment *au = &ctx->access_unit;
int err, i;
err = ff_cbs_init(&ctx->input, AV_CODEC_ID_H264, bsf);
if (err < 0)
return err;
err = ff_cbs_init(&ctx->output, AV_CODEC_ID_H264, bsf);
if (err < 0)
return err;
ctx->global_pic_init_qp = 26;
if (bsf->par_in->extradata) {
err = ff_cbs_read_extradata(ctx->input, au, bsf->par_in);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
goto fail;
}
for (i = 0; i < au->nb_units; i++) {
if (au->units[i].type == H264_NAL_PPS) {
err = h264_redundant_pps_fixup_pps(ctx, au->units[i].content);
if (err < 0)
goto fail;
}
}
ctx->extradata_pic_init_qp = ctx->current_pic_init_qp;
err = ff_cbs_write_extradata(ctx->output, bsf->par_out, au);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
goto fail;
}
}
err = 0;
fail:
ff_cbs_fragment_uninit(ctx->output, au);
return err;
}
static int h265_metadata_init(AVBSFContext *bsf)
{
H265MetadataContext *ctx = bsf->priv_data;
CodedBitstreamFragment *au = &ctx->access_unit;
int err, i;
err = ff_cbs_init(&ctx->cbc, AV_CODEC_ID_HEVC, bsf);
if (err < 0)
return err;
if (bsf->par_in->extradata) {
err = ff_cbs_read_extradata(ctx->cbc, au, bsf->par_in);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
goto fail;
}
for (i = 0; i < au->nb_units; i++) {
if (au->units[i].type == HEVC_NAL_VPS) {
err = h265_metadata_update_vps(bsf, au->units[i].content);
if (err < 0)
goto fail;
}
if (au->units[i].type == HEVC_NAL_SPS) {
err = h265_metadata_update_sps(bsf, au->units[i].content);
if (err < 0)
goto fail;
}
}
err = ff_cbs_write_extradata(ctx->cbc, bsf->par_out, au);
if (err < 0) {
av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
goto fail;
}
}
err = 0;
fail:
ff_cbs_fragment_uninit(ctx->cbc, au);
return err;
}