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https://github.com/FFmpeg/FFmpeg.git
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av1_metadata_bsf: Use common cbs bsf implementation
This commit is contained in:
Mark Thompson
parent
e46aa5a894
commit
375176a540
@ -20,22 +20,12 @@
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#include "libavutil/opt.h"
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#include "bsf.h"
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#include "bsf_internal.h"
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#include "cbs.h"
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#include "cbs_bsf.h"
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#include "cbs_av1.h"
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enum {
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PASS,
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INSERT,
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REMOVE,
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};
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typedef struct AV1MetadataContext {
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const AVClass *class;
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CodedBitstreamContext *input;
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CodedBitstreamContext *output;
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CodedBitstreamFragment access_unit;
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CBSBSFContext common;
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int td;
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@ -113,91 +103,27 @@ static int av1_metadata_update_sequence_header(AVBSFContext *bsf,
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return 0;
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}
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static int av1_metadata_update_side_data(AVBSFContext *bsf, AVPacket *pkt)
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static int av1_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt,
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CodedBitstreamFragment *frag)
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{
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AV1MetadataContext *ctx = bsf->priv_data;
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CodedBitstreamFragment *frag = &ctx->access_unit;
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uint8_t *side_data;
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int side_data_size;
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int err, i;
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side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
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&side_data_size);
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if (!side_data_size)
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return 0;
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err = ff_cbs_read(ctx->input, frag, side_data, side_data_size);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to read extradata from packet side data.\n");
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return err;
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}
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for (i = 0; i < frag->nb_units; i++) {
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if (frag->units[i].type == AV1_OBU_SEQUENCE_HEADER) {
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AV1RawOBU *obu = frag->units[i].content;
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err = av1_metadata_update_sequence_header(bsf, &obu->obu.sequence_header);
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if (err < 0)
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return err;
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}
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}
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err = ff_cbs_write_fragment_data(ctx->output, frag);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to write extradata into packet side data.\n");
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return err;
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}
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side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, frag->data_size);
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if (!side_data)
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return AVERROR(ENOMEM);
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memcpy(side_data, frag->data, frag->data_size);
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ff_cbs_fragment_reset(frag);
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return 0;
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}
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static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
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{
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AV1MetadataContext *ctx = bsf->priv_data;
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CodedBitstreamFragment *frag = &ctx->access_unit;
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AV1RawOBU td, *obu;
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int err, i;
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err = ff_bsf_get_packet_ref(bsf, pkt);
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if (err < 0)
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return err;
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err = av1_metadata_update_side_data(bsf, pkt);
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if (err < 0)
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goto fail;
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err = ff_cbs_read_packet(ctx->input, frag, pkt);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to read packet.\n");
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goto fail;
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}
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if (frag->nb_units == 0) {
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av_log(bsf, AV_LOG_ERROR, "No OBU in packet.\n");
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err = AVERROR_INVALIDDATA;
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goto fail;
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}
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for (i = 0; i < frag->nb_units; i++) {
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if (frag->units[i].type == AV1_OBU_SEQUENCE_HEADER) {
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obu = frag->units[i].content;
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err = av1_metadata_update_sequence_header(bsf, &obu->obu.sequence_header);
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if (err < 0)
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goto fail;
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return err;
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}
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}
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// If a Temporal Delimiter is present, it must be the first OBU.
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if (frag->units[0].type == AV1_OBU_TEMPORAL_DELIMITER) {
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if (ctx->td == REMOVE)
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if (ctx->td == BSF_ELEMENT_REMOVE)
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ff_cbs_delete_unit(frag, 0);
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} else if (ctx->td == INSERT) {
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} else if (pkt && ctx->td == BSF_ELEMENT_INSERT) {
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td = (AV1RawOBU) {
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.header.obu_type = AV1_OBU_TEMPORAL_DELIMITER,
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};
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@ -206,7 +132,7 @@ static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
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&td, NULL);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to insert Temporal Delimiter.\n");
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goto fail;
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return err;
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}
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}
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@ -217,86 +143,26 @@ static int av1_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
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}
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}
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err = ff_cbs_write_packet(ctx->output, pkt, frag);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to write packet.\n");
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goto fail;
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}
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err = 0;
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fail:
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ff_cbs_fragment_reset(frag);
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if (err < 0)
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av_packet_unref(pkt);
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return err;
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return 0;
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}
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static const CBSBSFType av1_metadata_type = {
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.codec_id = AV_CODEC_ID_AV1,
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.fragment_name = "temporal unit",
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.unit_name = "OBU",
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.update_fragment = &av1_metadata_update_fragment,
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};
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static int av1_metadata_init(AVBSFContext *bsf)
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{
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AV1MetadataContext *ctx = bsf->priv_data;
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CodedBitstreamFragment *frag = &ctx->access_unit;
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AV1RawOBU *obu;
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int err, i;
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err = ff_cbs_init(&ctx->input, AV_CODEC_ID_AV1, bsf);
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if (err < 0)
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return err;
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err = ff_cbs_init(&ctx->output, AV_CODEC_ID_AV1, bsf);
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if (err < 0)
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return err;
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if (bsf->par_in->extradata) {
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err = ff_cbs_read_extradata(ctx->input, frag, bsf->par_in);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to read extradata.\n");
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goto fail;
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}
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for (i = 0; i < frag->nb_units; i++) {
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if (frag->units[i].type == AV1_OBU_SEQUENCE_HEADER) {
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obu = frag->units[i].content;
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err = av1_metadata_update_sequence_header(bsf, &obu->obu.sequence_header);
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if (err < 0)
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goto fail;
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}
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}
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err = ff_cbs_write_extradata(ctx->output, bsf->par_out, frag);
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if (err < 0) {
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av_log(bsf, AV_LOG_ERROR, "Failed to write extradata.\n");
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goto fail;
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}
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}
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err = 0;
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fail:
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ff_cbs_fragment_reset(frag);
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return err;
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}
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static void av1_metadata_close(AVBSFContext *bsf)
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{
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AV1MetadataContext *ctx = bsf->priv_data;
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ff_cbs_fragment_free(&ctx->access_unit);
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ff_cbs_close(&ctx->input);
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ff_cbs_close(&ctx->output);
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return ff_cbs_bsf_generic_init(bsf, &av1_metadata_type);
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}
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#define OFFSET(x) offsetof(AV1MetadataContext, x)
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#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
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static const AVOption av1_metadata_options[] = {
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{ "td", "Temporal Delimiter OBU",
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OFFSET(td), AV_OPT_TYPE_INT,
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{ .i64 = PASS }, PASS, REMOVE, FLAGS, "td" },
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{ "pass", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = PASS }, .flags = FLAGS, .unit = "td" },
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{ "insert", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = INSERT }, .flags = FLAGS, .unit = "td" },
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{ "remove", NULL, 0, AV_OPT_TYPE_CONST,
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{ .i64 = REMOVE }, .flags = FLAGS, .unit = "td" },
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BSF_ELEMENT_OPTIONS_PIR("td", "Temporal Delimiter OBU",
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td, FLAGS),
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{ "color_primaries", "Set color primaries (section 6.4.2)",
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OFFSET(color_primaries), AV_OPT_TYPE_INT,
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@ -356,7 +222,7 @@ const AVBitStreamFilter ff_av1_metadata_bsf = {
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.priv_data_size = sizeof(AV1MetadataContext),
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.priv_class = &av1_metadata_class,
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.init = &av1_metadata_init,
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.close = &av1_metadata_close,
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.filter = &av1_metadata_filter,
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.close = &ff_cbs_bsf_generic_close,
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.filter = &ff_cbs_bsf_generic_filter,
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.codec_ids = av1_metadata_codec_ids,
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};
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