#include "libavutil/opt.h"
#include "avcodec.h"
+#include "av1.h"
+#include "av1_parse.h"
#include "bsf.h"
#include "h2645_parse.h"
#include "h264.h"
int (*extract)(AVBSFContext *ctx, AVPacket *pkt,
uint8_t **data, int *size);
+ /* AV1 specifc fields */
+ AV1Packet av1_pkt;
+
+ /* H264/HEVC specifc fields */
+ H2645Packet h2645_pkt;
+
/* AVOptions */
int remove;
} ExtractExtradataContext;
return 0;
}
+static int extract_extradata_av1(AVBSFContext *ctx, AVPacket *pkt,
+ uint8_t **data, int *size)
+{
+ static const int extradata_obu_types[] = {
+ AV1_OBU_SEQUENCE_HEADER, AV1_OBU_METADATA,
+ };
+ ExtractExtradataContext *s = ctx->priv_data;
+
+ int extradata_size = 0, filtered_size = 0;
+ int nb_extradata_obu_types = FF_ARRAY_ELEMS(extradata_obu_types);
+ int i, has_seq = 0, ret = 0;
+
+ ret = ff_av1_packet_split(&s->av1_pkt, pkt->data, pkt->size, ctx);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < s->av1_pkt.nb_obus; i++) {
+ AV1OBU *obu = &s->av1_pkt.obus[i];
+ if (val_in_array(extradata_obu_types, nb_extradata_obu_types, obu->type)) {
+ extradata_size += obu->raw_size;
+ if (obu->type == AV1_OBU_SEQUENCE_HEADER)
+ has_seq = 1;
+ } else if (s->remove) {
+ filtered_size += obu->raw_size;
+ }
+ }
+
+ if (extradata_size && has_seq) {
+ AVBufferRef *filtered_buf;
+ uint8_t *extradata, *filtered_data;
+
+ if (s->remove) {
+ filtered_buf = av_buffer_alloc(filtered_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!filtered_buf) {
+ return AVERROR(ENOMEM);
+ }
+ memset(filtered_buf->data + filtered_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
+ filtered_data = filtered_buf->data;
+ }
+
+ extradata = av_malloc(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!extradata) {
+ av_buffer_unref(&filtered_buf);
+ return AVERROR(ENOMEM);
+ }
+ memset(extradata + extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
+ *data = extradata;
+ *size = extradata_size;
+
+ for (i = 0; i < s->av1_pkt.nb_obus; i++) {
+ AV1OBU *obu = &s->av1_pkt.obus[i];
+ if (val_in_array(extradata_obu_types, nb_extradata_obu_types,
+ obu->type)) {
+ memcpy(extradata, obu->raw_data, obu->raw_size);
+ extradata += obu->raw_size;
+ } else if (s->remove) {
+ memcpy(filtered_data, obu->raw_data, obu->raw_size);
+ filtered_data += obu->raw_size;
+ }
+ }
+
+ if (s->remove) {
+ av_buffer_unref(&pkt->buf);
+ pkt->buf = filtered_buf;
+ pkt->data = filtered_buf->data;
+ pkt->size = filtered_size;
+ }
+ }
+
+ return 0;
+}
+
static int extract_extradata_h2645(AVBSFContext *ctx, AVPacket *pkt,
uint8_t **data, int *size)
{
ExtractExtradataContext *s = ctx->priv_data;
- H2645Packet h2645_pkt = { 0 };
- int extradata_size = 0;
+ int extradata_size = 0, filtered_size = 0;
const int *extradata_nal_types;
int nb_extradata_nal_types;
int i, has_sps = 0, has_vps = 0, ret = 0;
nb_extradata_nal_types = FF_ARRAY_ELEMS(extradata_nal_types_h264);
}
- ret = ff_h2645_packet_split(&h2645_pkt, pkt->data, pkt->size,
+ ret = ff_h2645_packet_split(&s->h2645_pkt, pkt->data, pkt->size,
ctx, 0, 0, ctx->par_in->codec_id, 1);
if (ret < 0)
- goto fail;
+ return ret;
- for (i = 0; i < h2645_pkt.nb_nals; i++) {
- H2645NAL *nal = &h2645_pkt.nals[i];
+ for (i = 0; i < s->h2645_pkt.nb_nals; i++) {
+ H2645NAL *nal = &s->h2645_pkt.nals[i];
if (val_in_array(extradata_nal_types, nb_extradata_nal_types, nal->type)) {
extradata_size += nal->raw_size + 3;
if (ctx->par_in->codec_id == AV_CODEC_ID_HEVC) {
} else {
if (nal->type == H264_NAL_SPS) has_sps = 1;
}
+ } else if (s->remove) {
+ filtered_size += nal->raw_size + 3;
}
}
uint8_t *extradata, *filtered_data;
if (s->remove) {
- filtered_buf = av_buffer_alloc(pkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
+ filtered_buf = av_buffer_alloc(filtered_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!filtered_buf) {
- ret = AVERROR(ENOMEM);
- goto fail;
+ return AVERROR(ENOMEM);
}
+ memset(filtered_buf->data + filtered_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
filtered_data = filtered_buf->data;
}
extradata = av_malloc(extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!extradata) {
av_buffer_unref(&filtered_buf);
- ret = AVERROR(ENOMEM);
- goto fail;
+ return AVERROR(ENOMEM);
}
+ memset(extradata + extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
*data = extradata;
*size = extradata_size;
- for (i = 0; i < h2645_pkt.nb_nals; i++) {
- H2645NAL *nal = &h2645_pkt.nals[i];
+ for (i = 0; i < s->h2645_pkt.nb_nals; i++) {
+ H2645NAL *nal = &s->h2645_pkt.nals[i];
if (val_in_array(extradata_nal_types, nb_extradata_nal_types,
nal->type)) {
AV_WB24(extradata, 1); // startcode
av_buffer_unref(&pkt->buf);
pkt->buf = filtered_buf;
pkt->data = filtered_buf->data;
- pkt->size = filtered_data - filtered_buf->data;
+ pkt->size = filtered_size;
}
}
-fail:
- ff_h2645_packet_uninit(&h2645_pkt);
- return ret;
+ return 0;
}
static int extract_extradata_vc1(AVBSFContext *ctx, AVPacket *pkt,
return AVERROR(ENOMEM);
memcpy(*data, pkt->data, extradata_size);
+ memset(*data + extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
*size = extradata_size;
if (s->remove) {
return AVERROR(ENOMEM);
memcpy(*data, pkt->data, *size);
+ memset(*data + *size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
if (s->remove) {
pkt->data += *size;
return AVERROR(ENOMEM);
memcpy(*data, pkt->data, *size);
+ memset(*data + *size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
if (s->remove) {
pkt->data += *size;
int (*extract)(AVBSFContext *ctx, AVPacket *pkt,
uint8_t **data, int *size);
} extract_tab[] = {
+ { AV_CODEC_ID_AV1, extract_extradata_av1 },
+ { AV_CODEC_ID_AVS2, extract_extradata_mpeg4 },
{ AV_CODEC_ID_CAVS, extract_extradata_mpeg4 },
{ AV_CODEC_ID_H264, extract_extradata_h2645 },
{ AV_CODEC_ID_HEVC, extract_extradata_h2645 },
return 0;
}
-static int extract_extradata_filter(AVBSFContext *ctx, AVPacket *out)
+static int extract_extradata_filter(AVBSFContext *ctx, AVPacket *pkt)
{
ExtractExtradataContext *s = ctx->priv_data;
- AVPacket *in;
uint8_t *extradata = NULL;
int extradata_size;
int ret = 0;
- ret = ff_bsf_get_packet(ctx, &in);
+ ret = ff_bsf_get_packet_ref(ctx, pkt);
if (ret < 0)
return ret;
- ret = s->extract(ctx, in, &extradata, &extradata_size);
+ ret = s->extract(ctx, pkt, &extradata, &extradata_size);
if (ret < 0)
goto fail;
if (extradata) {
- ret = av_packet_add_side_data(in, AV_PKT_DATA_NEW_EXTRADATA,
+ ret = av_packet_add_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA,
extradata, extradata_size);
if (ret < 0) {
av_freep(&extradata);
}
}
- av_packet_move_ref(out, in);
+ return 0;
fail:
- av_packet_free(&in);
+ av_packet_unref(pkt);
return ret;
}
+static void extract_extradata_close(AVBSFContext *ctx)
+{
+ ExtractExtradataContext *s = ctx->priv_data;
+ ff_av1_packet_uninit(&s->av1_pkt);
+ ff_h2645_packet_uninit(&s->h2645_pkt);
+}
+
static const enum AVCodecID codec_ids[] = {
+ AV_CODEC_ID_AV1,
+ AV_CODEC_ID_AVS2,
AV_CODEC_ID_CAVS,
AV_CODEC_ID_H264,
AV_CODEC_ID_HEVC,
};
#define OFFSET(x) offsetof(ExtractExtradataContext, x)
+#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
static const AVOption options[] = {
{ "remove", "remove the extradata from the bitstream", OFFSET(remove), AV_OPT_TYPE_INT,
- { .i64 = 0 }, 0, 1 },
+ { .i64 = 0 }, 0, 1, FLAGS },
{ NULL },
};
.priv_class = &extract_extradata_class,
.init = extract_extradata_init,
.filter = extract_extradata_filter,
+ .close = extract_extradata_close,
};
projects / ffmpeg / blobdiff