---
doc/bitstream_filters.texi | 5 ++
libavcodec/h265_metadata_bsf.c | 106 +++++++++++++++++++++++++++++++--
2 files changed, 105 insertions(+), 6 deletions(-)
diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi
index 8fe5b3ad75..abd20e19d5 100644
--- a/doc/bitstream_filters.texi
+++ b/doc/bitstream_filters.texi
@@ -357,6 +357,11 @@ Set poc_proportional_to_timing_flag in VPS and VUI and use
this value
to set num_ticks_poc_diff_one_minus1 (see H.265 sections 7.4.3.1 and
E.3.1). Ignored if @option{tick_rate} is not also set.
+@item vps_id_offset
+@item sps_id_offset
+@item pps_id_offset
+Replace the original VPS/SPS/PPS idenfier by increasing its value by the
offset.
+
@item crop_left
@item crop_right
@item crop_top
diff --git a/libavcodec/h265_metadata_bsf.c b/libavcodec/h265_metadata_bsf.c
index b3a1fda144..7aeb1bffd1 100644
--- a/libavcodec/h265_metadata_bsf.c
+++ b/libavcodec/h265_metadata_bsf.c
@@ -68,6 +68,10 @@ typedef struct H265MetadataContext {
int level;
int level_guess;
int level_warned;
+
+ int vps_id_offset;
+ int sps_id_offset;
+ int pps_id_offset;
} H265MetadataContext;
@@ -168,6 +172,8 @@ static int h265_metadata_update_vps(AVBSFContext *bsf,
{
H265MetadataContext *ctx = bsf->priv_data;
+ vps->vps_video_parameter_set_id = (vps->vps_video_parameter_set_id +
ctx->vps_id_offset) % HEVC_MAX_VPS_COUNT;
+
if (ctx->tick_rate.num && ctx->tick_rate.den) {
int num, den;
@@ -200,6 +206,9 @@ static int h265_metadata_update_sps(AVBSFContext *bsf,
int need_vui = 0;
int crop_unit_x, crop_unit_y;
+ sps->sps_video_parameter_set_id = (sps->sps_video_parameter_set_id +
ctx->vps_id_offset) % HEVC_MAX_VPS_COUNT;
+ sps->sps_seq_parameter_set_id = (sps->sps_seq_parameter_set_id +
ctx->sps_id_offset) % HEVC_MAX_SPS_COUNT;
+
if (ctx->sample_aspect_ratio.num && ctx->sample_aspect_ratio.den) {
// Table E-1.
static const AVRational sar_idc[] = {
@@ -336,6 +345,27 @@ static int h265_metadata_update_sps(AVBSFContext *bsf,
return 0;
}
+static int h265_metadata_update_pps(AVBSFContext *bsf,
+ H265RawPPS *pps)
+{
+ H265MetadataContext *ctx = bsf->priv_data;
+
+ pps->pps_seq_parameter_set_id = (pps->pps_seq_parameter_set_id +
ctx->sps_id_offset) % HEVC_MAX_SPS_COUNT;
+ pps->pps_pic_parameter_set_id = (pps->pps_pic_parameter_set_id +
ctx->pps_id_offset) % HEVC_MAX_PPS_COUNT;
+
+ return 0;
+}
+
+static int h265_metadata_update_slice_header(AVBSFContext *bsf,
+ H265RawSliceHeader *slice)
+{
+ H265MetadataContext *ctx = bsf->priv_data;
+
+ slice->slice_pic_parameter_set_id = (slice->slice_pic_parameter_set_id +
ctx->pps_id_offset) % HEVC_MAX_PPS_COUNT;
+
+ return 0;
+}
+
static int h265_metadata_filter(AVBSFContext *bsf, AVPacket *pkt)
{
H265MetadataContext *ctx = bsf->priv_data;
@@ -406,15 +436,42 @@ static int h265_metadata_filter(AVBSFContext *bsf,
AVPacket *pkt)
h265_metadata_guess_level(bsf, au);
for (i = 0; i < au->nb_units; i++) {
- if (au->units[i].type == HEVC_NAL_VPS) {
+ switch (au->units[i].type) {
+ case 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) {
+ break;
+ case HEVC_NAL_SPS:
err = h265_metadata_update_sps(bsf, au->units[i].content);
if (err < 0)
goto fail;
+ break;
+ case HEVC_NAL_PPS:
+ err = h265_metadata_update_pps(bsf, au->units[i].content);
+ if (err < 0)
+ goto fail;
+ break;
+ case HEVC_NAL_TRAIL_N:
+ case HEVC_NAL_TRAIL_R:
+ case HEVC_NAL_TSA_N:
+ case HEVC_NAL_TSA_R:
+ case HEVC_NAL_STSA_N:
+ case HEVC_NAL_STSA_R:
+ case HEVC_NAL_BLA_W_LP:
+ case HEVC_NAL_BLA_W_RADL:
+ case HEVC_NAL_BLA_N_LP:
+ case HEVC_NAL_IDR_W_RADL:
+ case HEVC_NAL_IDR_N_LP:
+ case HEVC_NAL_CRA_NUT:
+ case HEVC_NAL_RADL_N:
+ case HEVC_NAL_RADL_R:
+ case HEVC_NAL_RASL_N:
+ case HEVC_NAL_RASL_R:
+ err = h265_metadata_update_slice_header(bsf, au->units[i].content);
+ if (err < 0)
+ goto fail;
+ break;
}
}
@@ -455,15 +512,42 @@ static int h265_metadata_init(AVBSFContext *bsf)
h265_metadata_guess_level(bsf, au);
for (i = 0; i < au->nb_units; i++) {
- if (au->units[i].type == HEVC_NAL_VPS) {
+ switch (au->units[i].type) {
+ case 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) {
+ break;
+ case HEVC_NAL_SPS:
err = h265_metadata_update_sps(bsf, au->units[i].content);
if (err < 0)
goto fail;
+ break;
+ case HEVC_NAL_PPS:
+ err = h265_metadata_update_pps(bsf, au->units[i].content);
+ if (err < 0)
+ goto fail;
+ break;
+ case HEVC_NAL_TRAIL_N:
+ case HEVC_NAL_TRAIL_R:
+ case HEVC_NAL_TSA_N:
+ case HEVC_NAL_TSA_R:
+ case HEVC_NAL_STSA_N:
+ case HEVC_NAL_STSA_R:
+ case HEVC_NAL_BLA_W_LP:
+ case HEVC_NAL_BLA_W_RADL:
+ case HEVC_NAL_BLA_N_LP:
+ case HEVC_NAL_IDR_W_RADL:
+ case HEVC_NAL_IDR_N_LP:
+ case HEVC_NAL_CRA_NUT:
+ case HEVC_NAL_RADL_N:
+ case HEVC_NAL_RADL_R:
+ case HEVC_NAL_RASL_N:
+ case HEVC_NAL_RASL_R:
+ err = h265_metadata_update_slice_header(bsf,
au->units[i].content);
+ if (err < 0)
+ goto fail;
+ break;
}
}
@@ -547,6 +631,16 @@ static const AVOption h265_metadata_options[] = {
OFFSET(crop_bottom), AV_OPT_TYPE_INT,
{ .i64 = -1 }, -1, HEVC_MAX_HEIGHT, FLAGS },
+ { "vps_id_offset", "Increase the vps id by this offset",
+ OFFSET(vps_id_offset), AV_OPT_TYPE_INT,
+ { .i64 = 0 }, 0, HEVC_MAX_VPS_COUNT, FLAGS },
+ { "sps_id_offset", "Increase the sps id by this offset",
+ OFFSET(sps_id_offset), AV_OPT_TYPE_INT,
+ { .i64 = 0 }, 0, HEVC_MAX_SPS_COUNT, FLAGS },
+ { "pps_id_offset", "Increase the pps id by this offset",
+ OFFSET(pps_id_offset), AV_OPT_TYPE_INT,
+ { .i64 = 0 }, 0, HEVC_MAX_PPS_COUNT, FLAGS },
+
{ "level", "Set level (tables A.6 and A.7)",
OFFSET(level), AV_OPT_TYPE_INT,
{ .i64 = LEVEL_UNSET }, LEVEL_UNSET, 0xff, FLAGS, "level" },
--
2.24.0
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