return 0;
}
+// payload_extension_present() - true if we are before the last 1-bit
+// in the payload structure, which must be in the last byte.
+static int cbs_h265_payload_extension_present(GetBitContext *gbc, uint32_t payload_size,
+ int cur_pos)
+{
+ int bits_left = payload_size * 8 - cur_pos;
+ return (bits_left > 0 &&
+ (bits_left > 7 || show_bits(gbc, bits_left) & MAX_UINT_BITS(bits_left - 1)));
+}
+
#define HEADER(name) do { \
ff_cbs_trace_header(ctx, name); \
} while (0)
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 u(width, name, range_min, range_max) \
- xu(width, name, current->name, range_min, range_max, 0)
+ xu(width, name, current->name, range_min, range_max, 0, )
#define ub(width, name) \
- xu(width, name, current->name, 0, MAX_UINT_BITS(width), 0)
+ xu(width, name, current->name, 0, MAX_UINT_BITS(width), 0, )
#define flag(name) ub(1, name)
#define ue(name, range_min, range_max) \
- xue(name, current->name, range_min, range_max, 0)
+ xue(name, current->name, range_min, range_max, 0, )
#define i(width, name, range_min, range_max) \
- xi(width, name, current->name, range_min, range_max, 0)
+ xi(width, name, current->name, range_min, range_max, 0, )
#define ib(width, name) \
- xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), 0)
+ xi(width, name, current->name, MIN_INT_BITS(width), MAX_INT_BITS(width), 0, )
#define se(name, range_min, range_max) \
- xse(name, current->name, range_min, range_max, 0)
+ xse(name, current->name, range_min, range_max, 0, )
#define us(width, name, range_min, range_max, subs, ...) \
xu(width, name, current->name, range_min, range_max, subs, __VA_ARGS__)
#define fixed(width, name, value) do { \
av_unused uint32_t fixed_value = value; \
- xu(width, name, fixed_value, value, value, 0); \
+ xu(width, name, fixed_value, value, value, 0, ); \
} while (0)
#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 infer(name, value) do { \
if (current->name != (value)) { \
- av_log(ctx->log_ctx, AV_LOG_WARNING, "Warning: " \
+ av_log(ctx->log_ctx, AV_LOG_ERROR, \
"%s does not match inferred value: " \
"%"PRId64", but should be %"PRId64".\n", \
#name, (int64_t)current->name, (int64_t)(value)); \
+ return AVERROR_INVALIDDATA; \
} \
} while (0)
#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
-static void cbs_h264_free_pps(void *opaque, uint8_t *content)
-{
- H264RawPPS *pps = (H264RawPPS*)content;
- av_buffer_unref(&pps->slice_group_id_ref);
- av_freep(&content);
-}
-
-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);
-}
-
-static void cbs_h264_free_slice(void *opaque, uint8_t *content)
-{
- H264RawSlice *slice = (H264RawSlice*)content;
- av_buffer_unref(&slice->data_ref);
- av_freep(&content);
-}
-
-static void cbs_h265_free_vps(void *opaque, uint8_t *content)
-{
- H265RawVPS *vps = (H265RawVPS*)content;
- av_buffer_unref(&vps->extension_data.data_ref);
- av_freep(&content);
-}
-
-static void cbs_h265_free_sps(void *opaque, uint8_t *content)
-{
- H265RawSPS *sps = (H265RawSPS*)content;
- av_buffer_unref(&sps->extension_data.data_ref);
- av_freep(&content);
-}
-
-static void cbs_h265_free_pps(void *opaque, uint8_t *content)
-{
- H265RawPPS *pps = (H265RawPPS*)content;
- av_buffer_unref(&pps->extension_data.data_ref);
- av_freep(&content);
-}
-
-static void cbs_h265_free_slice(void *opaque, uint8_t *content)
-{
- H265RawSlice *slice = (H265RawSlice*)content;
- av_buffer_unref(&slice->data_ref);
- av_freep(&content);
-}
-
-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;
- }
-}
-
-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);
-}
-
static int cbs_h2645_fragment_add_nals(CodedBitstreamContext *ctx,
CodedBitstreamFragment *frag,
const H2645Packet *packet)
ref = (nal->data == nal->raw_data) ? frag->data_ref
: packet->rbsp.rbsp_buffer_ref;
- err = ff_cbs_insert_unit_data(ctx, frag, -1, nal->type,
+ err = ff_cbs_insert_unit_data(frag, -1, nal->type,
(uint8_t*)nal->data, size, ref);
if (err < 0)
return err;
CodedBitstreamH26 ## h26n ## Context *priv = ctx->priv_data; \
H26 ## h26n ## Raw ## ps_name *ps_var = unit->content; \
unsigned int id = ps_var->id_element; \
+ int err; \
if (id >= FF_ARRAY_ELEMS(priv->ps_var)) { \
av_log(ctx->log_ctx, AV_LOG_ERROR, "Invalid " #ps_name \
" id : %d.\n", id); \
return AVERROR_INVALIDDATA; \
} \
+ err = ff_cbs_make_unit_refcounted(ctx, unit); \
+ if (err < 0) \
+ return err; \
if (priv->ps_var[id] == priv->active_ ## ps_var) \
priv->active_ ## ps_var = NULL ; \
av_buffer_unref(&priv->ps_var ## _ref[id]); \
- if (unit->content_ref) \
- priv->ps_var ## _ref[id] = av_buffer_ref(unit->content_ref); \
- else \
- priv->ps_var ## _ref[id] = av_buffer_alloc(sizeof(*ps_var)); \
+ av_assert0(unit->content_ref); \
+ priv->ps_var ## _ref[id] = av_buffer_ref(unit->content_ref); \
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; \
}
if (err < 0)
return err;
+ err = ff_cbs_alloc_unit_content2(ctx, unit);
+ if (err < 0)
+ return err;
+
switch (unit->type) {
case H264_NAL_SPS:
{
- H264RawSPS *sps;
-
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(*sps), NULL);
- if (err < 0)
- return err;
- sps = unit->content;
+ H264RawSPS *sps = unit->content;
err = cbs_h264_read_sps(ctx, &gbc, sps);
if (err < 0)
case H264_NAL_SPS_EXT:
{
- err = ff_cbs_alloc_unit_content(ctx, unit,
- sizeof(H264RawSPSExtension),
- NULL);
- if (err < 0)
- return err;
-
err = cbs_h264_read_sps_extension(ctx, &gbc, unit->content);
if (err < 0)
return err;
case H264_NAL_PPS:
{
- H264RawPPS *pps;
-
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(*pps),
- &cbs_h264_free_pps);
- if (err < 0)
- return err;
- pps = unit->content;
+ H264RawPPS *pps = unit->content;
err = cbs_h264_read_pps(ctx, &gbc, pps);
if (err < 0)
case H264_NAL_IDR_SLICE:
case H264_NAL_AUXILIARY_SLICE:
{
- H264RawSlice *slice;
+ H264RawSlice *slice = unit->content;
int pos, len;
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(*slice),
- &cbs_h264_free_slice);
- if (err < 0)
- return err;
- slice = unit->content;
-
err = cbs_h264_read_slice_header(ctx, &gbc, &slice->header);
if (err < 0)
return err;
case H264_NAL_AUD:
{
- err = ff_cbs_alloc_unit_content(ctx, unit,
- sizeof(H264RawAUD), NULL);
- if (err < 0)
- return err;
-
err = cbs_h264_read_aud(ctx, &gbc, unit->content);
if (err < 0)
return err;
case H264_NAL_SEI:
{
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(H264RawSEI),
- &cbs_h264_free_sei);
- if (err < 0)
- return err;
-
err = cbs_h264_read_sei(ctx, &gbc, unit->content);
if (err < 0)
return err;
case H264_NAL_FILLER_DATA:
{
- err = ff_cbs_alloc_unit_content(ctx, unit,
- sizeof(H264RawFiller), NULL);
- if (err < 0)
- return err;
-
err = cbs_h264_read_filler(ctx, &gbc, unit->content);
if (err < 0)
return err;
case H264_NAL_END_SEQUENCE:
case H264_NAL_END_STREAM:
{
- err = ff_cbs_alloc_unit_content(ctx, unit,
- sizeof(H264RawNALUnitHeader),
- NULL);
- if (err < 0)
- return err;
-
err = (unit->type == H264_NAL_END_SEQUENCE ?
cbs_h264_read_end_of_sequence :
cbs_h264_read_end_of_stream)(ctx, &gbc, unit->content);
if (err < 0)
return err;
+ err = ff_cbs_alloc_unit_content2(ctx, unit);
+ if (err < 0)
+ return err;
+
switch (unit->type) {
case HEVC_NAL_VPS:
{
- H265RawVPS *vps;
-
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(*vps),
- &cbs_h265_free_vps);
- if (err < 0)
- return err;
- vps = unit->content;
+ H265RawVPS *vps = unit->content;
err = cbs_h265_read_vps(ctx, &gbc, vps);
if (err < 0)
break;
case HEVC_NAL_SPS:
{
- H265RawSPS *sps;
-
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(*sps),
- &cbs_h265_free_sps);
- if (err < 0)
- return err;
- sps = unit->content;
+ H265RawSPS *sps = unit->content;
err = cbs_h265_read_sps(ctx, &gbc, sps);
if (err < 0)
case HEVC_NAL_PPS:
{
- H265RawPPS *pps;
-
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(*pps),
- &cbs_h265_free_pps);
- if (err < 0)
- return err;
- pps = unit->content;
+ H265RawPPS *pps = unit->content;
err = cbs_h265_read_pps(ctx, &gbc, pps);
if (err < 0)
case HEVC_NAL_IDR_N_LP:
case HEVC_NAL_CRA_NUT:
{
- H265RawSlice *slice;
+ H265RawSlice *slice = unit->content;
int pos, len;
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(*slice),
- &cbs_h265_free_slice);
- if (err < 0)
- return err;
- slice = unit->content;
-
err = cbs_h265_read_slice_segment_header(ctx, &gbc, &slice->header);
if (err < 0)
return err;
case HEVC_NAL_AUD:
{
- err = ff_cbs_alloc_unit_content(ctx, unit,
- sizeof(H265RawAUD), NULL);
- if (err < 0)
- return err;
-
err = cbs_h265_read_aud(ctx, &gbc, unit->content);
if (err < 0)
return err;
case HEVC_NAL_SEI_PREFIX:
case HEVC_NAL_SEI_SUFFIX:
{
- err = ff_cbs_alloc_unit_content(ctx, unit, sizeof(H265RawSEI),
- &cbs_h265_free_sei);
-
- if (err < 0)
- return err;
-
err = cbs_h265_read_sei(ctx, &gbc, unit->content,
unit->type == HEVC_NAL_SEI_PREFIX);
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(void *opaque, uint8_t *content)
+{
+ H264RawSEI *sei = (H264RawSEI*)content;
+ ff_cbs_sei_free_message_list(&sei->message_list);
+ av_free(content);
+}
+
+static const CodedBitstreamUnitTypeDescriptor cbs_h264_unit_types[] = {
+ CBS_UNIT_TYPE_POD(H264_NAL_SPS, H264RawSPS),
+ CBS_UNIT_TYPE_POD(H264_NAL_SPS_EXT, H264RawSPSExtension),
+
+ CBS_UNIT_TYPE_INTERNAL_REF(H264_NAL_PPS, H264RawPPS, slice_group_id),
+
+ {
+ .nb_unit_types = 3,
+ .unit_types = {
+ H264_NAL_IDR_SLICE,
+ H264_NAL_SLICE,
+ H264_NAL_AUXILIARY_SLICE,
+ },
+ .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS,
+ .content_size = sizeof(H264RawSlice),
+ .nb_ref_offsets = 1,
+ .ref_offsets = { offsetof(H264RawSlice, data) },
+ },
+
+ CBS_UNIT_TYPE_POD(H264_NAL_AUD, H264RawAUD),
+ CBS_UNIT_TYPE_POD(H264_NAL_FILLER_DATA, H264RawFiller),
+ CBS_UNIT_TYPE_POD(H264_NAL_END_SEQUENCE, H264RawNALUnitHeader),
+ CBS_UNIT_TYPE_POD(H264_NAL_END_STREAM, H264RawNALUnitHeader),
+
+ CBS_UNIT_TYPE_COMPLEX(H264_NAL_SEI, H264RawSEI, &cbs_h264_free_sei),
+
+ CBS_UNIT_TYPE_END_OF_LIST
+};
+
+static void cbs_h265_free_sei(void *opaque, uint8_t *content)
+{
+ H265RawSEI *sei = (H265RawSEI*)content;
+ ff_cbs_sei_free_message_list(&sei->message_list);
+ av_free(content);
+}
+
+static const CodedBitstreamUnitTypeDescriptor cbs_h265_unit_types[] = {
+ CBS_UNIT_TYPE_INTERNAL_REF(HEVC_NAL_VPS, H265RawVPS, extension_data.data),
+ CBS_UNIT_TYPE_INTERNAL_REF(HEVC_NAL_SPS, H265RawSPS, extension_data.data),
+ CBS_UNIT_TYPE_INTERNAL_REF(HEVC_NAL_PPS, H265RawPPS, extension_data.data),
+
+ CBS_UNIT_TYPE_POD(HEVC_NAL_AUD, H265RawAUD),
+
+ {
+ // Slices of non-IRAP pictures.
+ .nb_unit_types = CBS_UNIT_TYPE_RANGE,
+ .unit_type_range_start = HEVC_NAL_TRAIL_N,
+ .unit_type_range_end = HEVC_NAL_RASL_R,
+
+ .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS,
+ .content_size = sizeof(H265RawSlice),
+ .nb_ref_offsets = 1,
+ .ref_offsets = { offsetof(H265RawSlice, data) },
+ },
+
+ {
+ // Slices of IRAP pictures.
+ .nb_unit_types = CBS_UNIT_TYPE_RANGE,
+ .unit_type_range_start = HEVC_NAL_BLA_W_LP,
+ .unit_type_range_end = HEVC_NAL_CRA_NUT,
+
+ .content_type = CBS_CONTENT_TYPE_INTERNAL_REFS,
+ .content_size = sizeof(H265RawSlice),
+ .nb_ref_offsets = 1,
+ .ref_offsets = { offsetof(H265RawSlice, data) },
+ },
+
+ {
+ .nb_unit_types = 2,
+ .unit_types = {
+ HEVC_NAL_SEI_PREFIX,
+ HEVC_NAL_SEI_SUFFIX
+ },
+ .content_type = CBS_CONTENT_TYPE_COMPLEX,
+ .content_size = sizeof(H265RawSEI),
+ .content_free = &cbs_h265_free_sei,
+ },
+
+ CBS_UNIT_TYPE_END_OF_LIST
+};
+
const CodedBitstreamType ff_cbs_type_h264 = {
.codec_id = AV_CODEC_ID_H264,
.priv_data_size = sizeof(CodedBitstreamH264Context),
+ .unit_types = cbs_h264_unit_types,
+
.split_fragment = &cbs_h2645_split_fragment,
.read_unit = &cbs_h264_read_nal_unit,
.write_unit = &cbs_h264_write_nal_unit,
.assemble_fragment = &cbs_h2645_assemble_fragment,
+ .flush = &cbs_h264_flush,
.close = &cbs_h264_close,
};
.priv_data_size = sizeof(CodedBitstreamH265Context),
+ .unit_types = cbs_h265_unit_types,
+
.split_fragment = &cbs_h2645_split_fragment,
.read_unit = &cbs_h265_read_nal_unit,
.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(CodedBitstreamContext *ctx,
- 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(ctx, 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(CodedBitstreamContext *ctx,
- 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(ctx, 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