diff --git a/libavcodec/av1_metadata_bsf.c b/libavcodec/av1_metadata_bsf.c index 3158ba995b..8cafe461d1 100644 --- a/libavcodec/av1_metadata_bsf.c +++ b/libavcodec/av1_metadata_bsf.c @@ -20,22 +20,12 @@ #include "libavutil/opt.h" #include "bsf.h" -#include "bsf_internal.h" #include "cbs.h" +#include "cbs_bsf.h" #include "cbs_av1.h" -enum { - PASS, - INSERT, - REMOVE, -}; - typedef struct AV1MetadataContext { - const AVClass *class; - - CodedBitstreamContext *input; - CodedBitstreamContext *output; - CodedBitstreamFragment access_unit; + CBSBSFContext common; int td; @@ -113,91 +103,27 @@ static int av1_metadata_update_sequence_header(AVBSFContext *bsf, return 0; } -static int av1_metadata_update_side_data(AVBSFContext *bsf, AVPacket *pkt) +static int av1_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt, + CodedBitstreamFragment *frag) { AV1MetadataContext *ctx = bsf->priv_data; - CodedBitstreamFragment *frag = &ctx->access_unit; - uint8_t *side_data; - int side_data_size; - int err, i; - - side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, - &side_data_size); - if (!side_data_size) - return 0; - - 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; - } - - for (i = 0; i < frag->nb_units; i++) { - if (frag->units[i].type == AV1_OBU_SEQUENCE_HEADER) { - AV1RawOBU *obu = frag->units[i].content; - err = av1_metadata_update_sequence_header(bsf, &obu->obu.sequence_header); - if (err < 0) - return err; - } - } - - 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; - } - - side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, frag->data_size); - if (!side_data) - return AVERROR(ENOMEM); - memcpy(side_data, frag->data, frag->data_size); - - ff_cbs_fragment_reset(frag); - - return 0; -} - -static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt) -{ - AV1MetadataContext *ctx = bsf->priv_data; - CodedBitstreamFragment *frag = &ctx->access_unit; AV1RawOBU td, *obu; int err, i; - err = ff_bsf_get_packet_ref(bsf, pkt); - if (err < 0) - return err; - - err = av1_metadata_update_side_data(bsf, pkt); - if (err < 0) - goto fail; - - 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; - } - - if (frag->nb_units == 0) { - av_log(bsf, AV_LOG_ERROR, "No OBU in packet.\n"); - err = AVERROR_INVALIDDATA; - goto fail; - } - for (i = 0; i < frag->nb_units; i++) { if (frag->units[i].type == AV1_OBU_SEQUENCE_HEADER) { obu = frag->units[i].content; err = av1_metadata_update_sequence_header(bsf, &obu->obu.sequence_header); if (err < 0) - goto fail; + return err; } } // If a Temporal Delimiter is present, it must be the first OBU. if (frag->units[0].type == AV1_OBU_TEMPORAL_DELIMITER) { - if (ctx->td == REMOVE) + if (ctx->td == BSF_ELEMENT_REMOVE) ff_cbs_delete_unit(frag, 0); - } else if (ctx->td == INSERT) { + } else if (pkt && ctx->td == BSF_ELEMENT_INSERT) { td = (AV1RawOBU) { .header.obu_type = AV1_OBU_TEMPORAL_DELIMITER, }; @@ -206,7 +132,7 @@ static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt) &td, NULL); if (err < 0) { av_log(bsf, AV_LOG_ERROR, "Failed to insert Temporal Delimiter.\n"); - goto fail; + return err; } } @@ -217,86 +143,26 @@ static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt) } } - 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; - } - - err = 0; -fail: - ff_cbs_fragment_reset(frag); - - if (err < 0) - av_packet_unref(pkt); - - return err; + return 0; } +static const CBSBSFType av1_metadata_type = { + .codec_id = AV_CODEC_ID_AV1, + .fragment_name = "temporal unit", + .unit_name = "OBU", + .update_fragment = &av1_metadata_update_fragment, +}; + static int av1_metadata_init(AVBSFContext *bsf) { - AV1MetadataContext *ctx = bsf->priv_data; - CodedBitstreamFragment *frag = &ctx->access_unit; - AV1RawOBU *obu; - int err, i; - - 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->input, frag, bsf->par_in); - if (err < 0) { - av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n"); - goto fail; - } - - for (i = 0; i < frag->nb_units; i++) { - if (frag->units[i].type == AV1_OBU_SEQUENCE_HEADER) { - obu = frag->units[i].content; - err = av1_metadata_update_sequence_header(bsf, &obu->obu.sequence_header); - if (err < 0) - goto fail; - } - } - - 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; - } - } - - err = 0; -fail: - ff_cbs_fragment_reset(frag); - return err; -} - -static void av1_metadata_close(AVBSFContext *bsf) -{ - AV1MetadataContext *ctx = bsf->priv_data; - - ff_cbs_fragment_free(&ctx->access_unit); - ff_cbs_close(&ctx->input); - ff_cbs_close(&ctx->output); + return ff_cbs_bsf_generic_init(bsf, &av1_metadata_type); } #define OFFSET(x) offsetof(AV1MetadataContext, x) #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM) static const AVOption av1_metadata_options[] = { - { "td", "Temporal Delimiter OBU", - OFFSET(td), AV_OPT_TYPE_INT, - { .i64 = PASS }, PASS, REMOVE, FLAGS, "td" }, - { "pass", NULL, 0, AV_OPT_TYPE_CONST, - { .i64 = PASS }, .flags = FLAGS, .unit = "td" }, - { "insert", NULL, 0, AV_OPT_TYPE_CONST, - { .i64 = INSERT }, .flags = FLAGS, .unit = "td" }, - { "remove", NULL, 0, AV_OPT_TYPE_CONST, - { .i64 = REMOVE }, .flags = FLAGS, .unit = "td" }, + BSF_ELEMENT_OPTIONS_PIR("td", "Temporal Delimiter OBU", + td, FLAGS), { "color_primaries", "Set color primaries (section 6.4.2)", OFFSET(color_primaries), AV_OPT_TYPE_INT, @@ -356,7 +222,7 @@ const AVBitStreamFilter ff_av1_metadata_bsf = { .priv_data_size = sizeof(AV1MetadataContext), .priv_class = &av1_metadata_class, .init = &av1_metadata_init, - .close = &av1_metadata_close, - .filter = &av1_metadata_filter, + .close = &ff_cbs_bsf_generic_close, + .filter = &ff_cbs_bsf_generic_filter, .codec_ids = av1_metadata_codec_ids, };