return err; \
} while (0)
-#define FUNC_NAME(rw, codec, name) cbs_ ## codec ## _ ## rw ## _ ## name
-#define FUNC_H264(rw, name) FUNC_NAME(rw, h264, name)
-#define FUNC_H265(rw, name) FUNC_NAME(rw, h265, name)
+#define FUNC_NAME2(rw, codec, name) cbs_ ## codec ## _ ## rw ## _ ## name
+#define FUNC_NAME1(rw, codec, name) FUNC_NAME2(rw, codec, name)
+#define FUNC_H264(name) FUNC_NAME1(READWRITE, h264, name)
+#define FUNC_H265(name) FUNC_NAME1(READWRITE, h265, name)
+#define FUNC_SEI(name) FUNC_NAME1(READWRITE, sei, name)
#define SUBSCRIPTS(subs, ...) (subs > 0 ? ((int[subs + 1]){ subs, __VA_ARGS__ }) : NULL)
#define more_rbsp_data(var) ((var) = cbs_h2645_read_more_rbsp_data(rw))
+#define bit_position(rw) (get_bits_count(rw))
#define byte_alignment(rw) (get_bits_count(rw) % 8)
#define allocate(name, size) do { \
name = name ## _ref->data; \
} while (0)
-#define FUNC(name) FUNC_H264(READWRITE, name)
+#define FUNC(name) FUNC_SEI(name)
+#include "cbs_sei_syntax_template.c"
+#undef FUNC
+
+#define FUNC(name) FUNC_H264(name)
#include "cbs_h264_syntax_template.c"
#undef FUNC
-#define FUNC(name) FUNC_H265(READWRITE, name)
+#define FUNC(name) FUNC_H265(name)
#include "cbs_h265_syntax_template.c"
#undef FUNC
#undef xse
#undef infer
#undef more_rbsp_data
+#undef bit_position
#undef byte_alignment
#undef allocate
#define more_rbsp_data(var) (var)
+#define bit_position(rw) (put_bits_count(rw))
#define byte_alignment(rw) (put_bits_count(rw) % 8)
#define allocate(name, size) do { \
} \
} while (0)
-#define FUNC(name) FUNC_H264(READWRITE, name)
+#define FUNC(name) FUNC_SEI(name)
+#include "cbs_sei_syntax_template.c"
+#undef FUNC
+
+#define FUNC(name) FUNC_H264(name)
#include "cbs_h264_syntax_template.c"
#undef FUNC
-#define FUNC(name) FUNC_H265(READWRITE, name)
+#define FUNC(name) FUNC_H265(name)
#include "cbs_h265_syntax_template.c"
#undef FUNC
#undef se
#undef infer
#undef more_rbsp_data
+#undef bit_position
#undef byte_alignment
#undef allocate
if (!priv->ps_var ## _ref[id]) \
return AVERROR(ENOMEM); \
priv->ps_var[id] = (H26 ## h26n ## Raw ## ps_name *)priv->ps_var ## _ref[id]->data; \
- if (!unit->content_ref) \
- memcpy(priv->ps_var[id], ps_var, sizeof(*ps_var)); \
return 0; \
}
return 0;
}
+static int cbs_h2645_unit_requires_zero_byte(enum AVCodecID codec_id,
+ CodedBitstreamUnitType type,
+ int nal_unit_index)
+{
+ // Section B.1.2 in H.264, section B.2.2 in H.265.
+ if (nal_unit_index == 0) {
+ // Assume that this is the first NAL unit in an access unit.
+ return 1;
+ }
+ if (codec_id == AV_CODEC_ID_H264)
+ return type == H264_NAL_SPS || type == H264_NAL_PPS;
+ if (codec_id == AV_CODEC_ID_HEVC)
+ return type == HEVC_NAL_VPS || type == HEVC_NAL_SPS || type == HEVC_NAL_PPS;
+ return 0;
+}
+
static int cbs_h2645_assemble_fragment(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag)
{
frag->data_bit_padding = unit->data_bit_padding;
}
- if ((ctx->codec->codec_id == AV_CODEC_ID_H264 &&
- (unit->type == H264_NAL_SPS ||
- unit->type == H264_NAL_PPS)) ||
- (ctx->codec->codec_id == AV_CODEC_ID_HEVC &&
- (unit->type == HEVC_NAL_VPS ||
- unit->type == HEVC_NAL_SPS ||
- unit->type == HEVC_NAL_PPS)) ||
- i == 0 /* (Assume this is the start of an access unit.) */) {
+ if (cbs_h2645_unit_requires_zero_byte(ctx->codec->codec_id, unit->type, i)) {
// zero_byte
data[dp++] = 0;
}
return 0;
}
+static void cbs_h264_flush(CodedBitstreamContext *ctx)
+{
+ CodedBitstreamH264Context *h264 = ctx->priv_data;
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(h264->sps); i++) {
+ av_buffer_unref(&h264->sps_ref[i]);
+ h264->sps[i] = NULL;
+ }
+ for (int i = 0; i < FF_ARRAY_ELEMS(h264->pps); i++) {
+ av_buffer_unref(&h264->pps_ref[i]);
+ h264->pps[i] = NULL;
+ }
+
+ h264->active_sps = NULL;
+ h264->active_pps = NULL;
+ h264->last_slice_nal_unit_type = 0;
+}
+
static void cbs_h264_close(CodedBitstreamContext *ctx)
{
CodedBitstreamH264Context *h264 = ctx->priv_data;
av_buffer_unref(&h264->pps_ref[i]);
}
+static void cbs_h265_flush(CodedBitstreamContext *ctx)
+{
+ CodedBitstreamH265Context *h265 = ctx->priv_data;
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(h265->vps); i++) {
+ av_buffer_unref(&h265->vps_ref[i]);
+ h265->vps[i] = NULL;
+ }
+ for (int i = 0; i < FF_ARRAY_ELEMS(h265->sps); i++) {
+ av_buffer_unref(&h265->sps_ref[i]);
+ h265->sps[i] = NULL;
+ }
+ for (int i = 0; i < FF_ARRAY_ELEMS(h265->pps); i++) {
+ av_buffer_unref(&h265->pps_ref[i]);
+ h265->pps[i] = NULL;
+ }
+
+ h265->active_vps = NULL;
+ h265->active_sps = NULL;
+ h265->active_pps = NULL;
+}
+
static void cbs_h265_close(CodedBitstreamContext *ctx)
{
CodedBitstreamH265Context *h265 = ctx->priv_data;
av_buffer_unref(&h265->pps_ref[i]);
}
-static void cbs_h264_free_sei_payload(H264RawSEIPayload *payload)
-{
- switch (payload->payload_type) {
- case H264_SEI_TYPE_BUFFERING_PERIOD:
- case H264_SEI_TYPE_PIC_TIMING:
- case H264_SEI_TYPE_PAN_SCAN_RECT:
- case H264_SEI_TYPE_RECOVERY_POINT:
- case H264_SEI_TYPE_DISPLAY_ORIENTATION:
- case H264_SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME:
- case H264_SEI_TYPE_ALTERNATIVE_TRANSFER:
- break;
- case H264_SEI_TYPE_USER_DATA_REGISTERED:
- av_buffer_unref(&payload->payload.user_data_registered.data_ref);
- break;
- case H264_SEI_TYPE_USER_DATA_UNREGISTERED:
- av_buffer_unref(&payload->payload.user_data_unregistered.data_ref);
- break;
- default:
- av_buffer_unref(&payload->payload.other.data_ref);
- break;
- }
-}
-
static void cbs_h264_free_sei(void *opaque, uint8_t *content)
{
H264RawSEI *sei = (H264RawSEI*)content;
- int i;
- for (i = 0; i < sei->payload_count; i++)
- cbs_h264_free_sei_payload(&sei->payload[i]);
- av_freep(&content);
+ ff_cbs_sei_free_message_list(&sei->message_list);
+ av_free(content);
}
static const CodedBitstreamUnitTypeDescriptor cbs_h264_unit_types[] = {
CBS_UNIT_TYPE_END_OF_LIST
};
-static void cbs_h265_free_sei_payload(H265RawSEIPayload *payload)
-{
- switch (payload->payload_type) {
- case HEVC_SEI_TYPE_BUFFERING_PERIOD:
- case HEVC_SEI_TYPE_PICTURE_TIMING:
- case HEVC_SEI_TYPE_PAN_SCAN_RECT:
- case HEVC_SEI_TYPE_RECOVERY_POINT:
- case HEVC_SEI_TYPE_DISPLAY_ORIENTATION:
- case HEVC_SEI_TYPE_ACTIVE_PARAMETER_SETS:
- case HEVC_SEI_TYPE_DECODED_PICTURE_HASH:
- case HEVC_SEI_TYPE_TIME_CODE:
- case HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO:
- case HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO:
- case HEVC_SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
- case HEVC_SEI_TYPE_ALPHA_CHANNEL_INFO:
- break;
- case HEVC_SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
- av_buffer_unref(&payload->payload.user_data_registered.data_ref);
- break;
- case HEVC_SEI_TYPE_USER_DATA_UNREGISTERED:
- av_buffer_unref(&payload->payload.user_data_unregistered.data_ref);
- break;
- default:
- av_buffer_unref(&payload->payload.other.data_ref);
- break;
- }
- av_buffer_unref(&payload->extension_data.data_ref);
-}
-
static void cbs_h265_free_sei(void *opaque, uint8_t *content)
{
H265RawSEI *sei = (H265RawSEI*)content;
- int i;
- for (i = 0; i < sei->payload_count; i++)
- cbs_h265_free_sei_payload(&sei->payload[i]);
- av_freep(&content);
+ ff_cbs_sei_free_message_list(&sei->message_list);
+ av_free(content);
}
static const CodedBitstreamUnitTypeDescriptor cbs_h265_unit_types[] = {
.write_unit = &cbs_h264_write_nal_unit,
.assemble_fragment = &cbs_h2645_assemble_fragment,
+ .flush = &cbs_h264_flush,
.close = &cbs_h264_close,
};
.write_unit = &cbs_h265_write_nal_unit,
.assemble_fragment = &cbs_h2645_assemble_fragment,
+ .flush = &cbs_h265_flush,
.close = &cbs_h265_close,
};
-int ff_cbs_h264_add_sei_message(CodedBitstreamFragment *au,
- H264RawSEIPayload *payload)
-{
- H264RawSEI *sei = NULL;
- int err, i;
-
- // Find an existing SEI NAL unit to add to.
- for (i = 0; i < au->nb_units; i++) {
- if (au->units[i].type == H264_NAL_SEI) {
- sei = au->units[i].content;
- if (sei->payload_count < H264_MAX_SEI_PAYLOADS)
- break;
-
- sei = NULL;
- }
- }
-
- if (!sei) {
- // Need to make a new SEI NAL unit. Insert it before the first
- // slice data NAL unit; if no slice data, add at the end.
- AVBufferRef *sei_ref;
-
- sei = av_mallocz(sizeof(*sei));
- if (!sei) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
-
- sei->nal_unit_header.nal_unit_type = H264_NAL_SEI;
- sei->nal_unit_header.nal_ref_idc = 0;
-
- sei_ref = av_buffer_create((uint8_t*)sei, sizeof(*sei),
- &cbs_h264_free_sei, NULL, 0);
- if (!sei_ref) {
- av_freep(&sei);
- err = AVERROR(ENOMEM);
- goto fail;
- }
-
- for (i = 0; i < au->nb_units; i++) {
- if (au->units[i].type == H264_NAL_SLICE ||
- au->units[i].type == H264_NAL_IDR_SLICE)
- break;
- }
-
- err = ff_cbs_insert_unit_content(au, i, H264_NAL_SEI,
- sei, sei_ref);
- av_buffer_unref(&sei_ref);
- if (err < 0)
- goto fail;
- }
+static const SEIMessageTypeDescriptor cbs_sei_common_types[] = {
+ {
+ SEI_TYPE_FILLER_PAYLOAD,
+ 1, 1,
+ sizeof(SEIRawFillerPayload),
+ SEI_MESSAGE_RW(sei, filler_payload),
+ },
+ {
+ SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35,
+ 1, 1,
+ sizeof(SEIRawUserDataRegistered),
+ SEI_MESSAGE_RW(sei, user_data_registered),
+ },
+ {
+ SEI_TYPE_USER_DATA_UNREGISTERED,
+ 1, 1,
+ sizeof(SEIRawUserDataUnregistered),
+ SEI_MESSAGE_RW(sei, user_data_unregistered),
+ },
+ {
+ SEI_TYPE_MASTERING_DISPLAY_COLOUR_VOLUME,
+ 1, 0,
+ sizeof(SEIRawMasteringDisplayColourVolume),
+ SEI_MESSAGE_RW(sei, mastering_display_colour_volume),
+ },
+ {
+ SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO,
+ 1, 0,
+ sizeof(SEIRawContentLightLevelInfo),
+ SEI_MESSAGE_RW(sei, content_light_level_info),
+ },
+ {
+ SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS,
+ 1, 0,
+ sizeof(SEIRawAlternativeTransferCharacteristics),
+ SEI_MESSAGE_RW(sei, alternative_transfer_characteristics),
+ },
+ SEI_MESSAGE_TYPE_END,
+};
- memcpy(&sei->payload[sei->payload_count], payload, sizeof(*payload));
- ++sei->payload_count;
+static const SEIMessageTypeDescriptor cbs_sei_h264_types[] = {
+ {
+ SEI_TYPE_BUFFERING_PERIOD,
+ 1, 0,
+ sizeof(H264RawSEIBufferingPeriod),
+ SEI_MESSAGE_RW(h264, sei_buffering_period),
+ },
+ {
+ SEI_TYPE_PIC_TIMING,
+ 1, 0,
+ sizeof(H264RawSEIPicTiming),
+ SEI_MESSAGE_RW(h264, sei_pic_timing),
+ },
+ {
+ SEI_TYPE_PAN_SCAN_RECT,
+ 1, 0,
+ sizeof(H264RawSEIPanScanRect),
+ SEI_MESSAGE_RW(h264, sei_pan_scan_rect),
+ },
+ {
+ SEI_TYPE_RECOVERY_POINT,
+ 1, 0,
+ sizeof(H264RawSEIRecoveryPoint),
+ SEI_MESSAGE_RW(h264, sei_recovery_point),
+ },
+ {
+ SEI_TYPE_DISPLAY_ORIENTATION,
+ 1, 0,
+ sizeof(H264RawSEIDisplayOrientation),
+ SEI_MESSAGE_RW(h264, sei_display_orientation),
+ },
+ SEI_MESSAGE_TYPE_END
+};
- return 0;
-fail:
- cbs_h264_free_sei_payload(payload);
- return err;
-}
+static const SEIMessageTypeDescriptor cbs_sei_h265_types[] = {
+ {
+ SEI_TYPE_BUFFERING_PERIOD,
+ 1, 0,
+ sizeof(H265RawSEIBufferingPeriod),
+ SEI_MESSAGE_RW(h265, sei_buffering_period),
+ },
+ {
+ SEI_TYPE_PIC_TIMING,
+ 1, 0,
+ sizeof(H265RawSEIPicTiming),
+ SEI_MESSAGE_RW(h265, sei_pic_timing),
+ },
+ {
+ SEI_TYPE_PAN_SCAN_RECT,
+ 1, 0,
+ sizeof(H265RawSEIPanScanRect),
+ SEI_MESSAGE_RW(h265, sei_pan_scan_rect),
+ },
+ {
+ SEI_TYPE_RECOVERY_POINT,
+ 1, 0,
+ sizeof(H265RawSEIRecoveryPoint),
+ SEI_MESSAGE_RW(h265, sei_recovery_point),
+ },
+ {
+ SEI_TYPE_DISPLAY_ORIENTATION,
+ 1, 0,
+ sizeof(H265RawSEIDisplayOrientation),
+ SEI_MESSAGE_RW(h265, sei_display_orientation),
+ },
+ {
+ SEI_TYPE_ACTIVE_PARAMETER_SETS,
+ 1, 0,
+ sizeof(H265RawSEIActiveParameterSets),
+ SEI_MESSAGE_RW(h265, sei_active_parameter_sets),
+ },
+ {
+ SEI_TYPE_DECODED_PICTURE_HASH,
+ 0, 1,
+ sizeof(H265RawSEIDecodedPictureHash),
+ SEI_MESSAGE_RW(h265, sei_decoded_picture_hash),
+ },
+ {
+ SEI_TYPE_TIME_CODE,
+ 1, 0,
+ sizeof(H265RawSEITimeCode),
+ SEI_MESSAGE_RW(h265, sei_time_code),
+ },
+ {
+ SEI_TYPE_ALPHA_CHANNEL_INFO,
+ 1, 0,
+ sizeof(H265RawSEIAlphaChannelInfo),
+ SEI_MESSAGE_RW(h265, sei_alpha_channel_info),
+ },
+ SEI_MESSAGE_TYPE_END
+};
-void ff_cbs_h264_delete_sei_message(CodedBitstreamFragment *au,
- CodedBitstreamUnit *nal,
- int position)
+const SEIMessageTypeDescriptor *ff_cbs_sei_find_type(CodedBitstreamContext *ctx,
+ int payload_type)
{
- H264RawSEI *sei = nal->content;
-
- av_assert0(nal->type == H264_NAL_SEI);
- av_assert0(position >= 0 && position < sei->payload_count);
-
- if (position == 0 && sei->payload_count == 1) {
- // Deleting NAL unit entirely.
- int i;
+ const SEIMessageTypeDescriptor *codec_list;
+ int i;
- for (i = 0; i < au->nb_units; i++) {
- if (&au->units[i] == nal)
- break;
- }
+ for (i = 0; cbs_sei_common_types[i].type >= 0; i++) {
+ if (cbs_sei_common_types[i].type == payload_type)
+ return &cbs_sei_common_types[i];
+ }
- ff_cbs_delete_unit(au, i);
- } else {
- cbs_h264_free_sei_payload(&sei->payload[position]);
+ switch (ctx->codec->codec_id) {
+ case AV_CODEC_ID_H264:
+ codec_list = cbs_sei_h264_types;
+ break;
+ case AV_CODEC_ID_H265:
+ codec_list = cbs_sei_h265_types;
+ break;
+ default:
+ return NULL;
+ }
- --sei->payload_count;
- memmove(sei->payload + position,
- sei->payload + position + 1,
- (sei->payload_count - position) * sizeof(*sei->payload));
+ for (i = 0; codec_list[i].type >= 0; i++) {
+ if (codec_list[i].type == payload_type)
+ return &codec_list[i];
}
+
+ return NULL;
}
projects / ffmpeg / blobdiff