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early-access version 1680

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This commit is contained in:
pineappleEA
2021-05-13 11:45:27 +02:00
parent 1434d96e7d
commit 66ed389c6f
311 changed files with 6452 additions and 2597 deletions
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82
externals/ffmpeg/libavcodec/hevc_sei.c vendored
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@@ -213,6 +213,32 @@ static int decode_registered_user_data_closed_caption(HEVCSEIA53Caption *s, GetB
return 0;
}
static int decode_nal_sei_user_data_unregistered(HEVCSEIUnregistered *s, GetBitContext *gb,
int size)
{
AVBufferRef *buf_ref, **tmp;
if (size < 16 || size >= INT_MAX - 1)
return AVERROR_INVALIDDATA;
tmp = av_realloc_array(s->buf_ref, s->nb_buf_ref + 1, sizeof(*s->buf_ref));
if (!tmp)
return AVERROR(ENOMEM);
s->buf_ref = tmp;
buf_ref = av_buffer_alloc(size + 1);
if (!buf_ref)
return AVERROR(ENOMEM);
for (int i = 0; i < size; i++)
buf_ref->data[i] = get_bits(gb, 8);
buf_ref->data[size] = 0;
buf_ref->size = size;
s->buf_ref[s->nb_buf_ref++] = buf_ref;
return 0;
}
static int decode_nal_sei_user_data_registered_itu_t_t35(HEVCSEI *s, GetBitContext *gb,
int size)
{
@@ -280,6 +306,53 @@ static int decode_nal_sei_alternative_transfer(HEVCSEIAlternativeTransfer *s, Ge
return 0;
}
static int decode_nal_sei_timecode(HEVCSEITimeCode *s, GetBitContext *gb)
{
s->num_clock_ts = get_bits(gb, 2);
for (int i = 0; i < s->num_clock_ts; i++) {
s->clock_timestamp_flag[i] = get_bits(gb, 1);
if (s->clock_timestamp_flag[i]) {
s->units_field_based_flag[i] = get_bits(gb, 1);
s->counting_type[i] = get_bits(gb, 5);
s->full_timestamp_flag[i] = get_bits(gb, 1);
s->discontinuity_flag[i] = get_bits(gb, 1);
s->cnt_dropped_flag[i] = get_bits(gb, 1);
s->n_frames[i] = get_bits(gb, 9);
if (s->full_timestamp_flag[i]) {
s->seconds_value[i] = av_clip(get_bits(gb, 6), 0, 59);
s->minutes_value[i] = av_clip(get_bits(gb, 6), 0, 59);
s->hours_value[i] = av_clip(get_bits(gb, 5), 0, 23);
} else {
s->seconds_flag[i] = get_bits(gb, 1);
if (s->seconds_flag[i]) {
s->seconds_value[i] = av_clip(get_bits(gb, 6), 0, 59);
s->minutes_flag[i] = get_bits(gb, 1);
if (s->minutes_flag[i]) {
s->minutes_value[i] = av_clip(get_bits(gb, 6), 0, 59);
s->hours_flag[i] = get_bits(gb, 1);
if (s->hours_flag[i]) {
s->hours_value[i] = av_clip(get_bits(gb, 5), 0, 23);
}
}
}
}
s->time_offset_length[i] = get_bits(gb, 5);
if (s->time_offset_length[i] > 0) {
s->time_offset_value[i] = get_bits(gb, s->time_offset_length[i]);
}
}
}
s->present = 1;
return 0;
}
static int decode_nal_sei_prefix(GetBitContext *gb, void *logctx, HEVCSEI *s,
const HEVCParamSets *ps, int type, int size)
{
@@ -300,8 +373,12 @@ static int decode_nal_sei_prefix(GetBitContext *gb, void *logctx, HEVCSEI *s,
return decode_nal_sei_active_parameter_sets(s, gb, logctx);
case HEVC_SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35:
return decode_nal_sei_user_data_registered_itu_t_t35(s, gb, size);
case HEVC_SEI_TYPE_USER_DATA_UNREGISTERED:
return decode_nal_sei_user_data_unregistered(&s->unregistered, gb, size);
case HEVC_SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS:
return decode_nal_sei_alternative_transfer(&s->alternative_transfer, gb);
case HEVC_SEI_TYPE_TIME_CODE:
return decode_nal_sei_timecode(&s->timecode, gb);
default:
av_log(logctx, AV_LOG_DEBUG, "Skipped PREFIX SEI %d\n", type);
skip_bits_long(gb, 8 * size);
@@ -371,4 +448,9 @@ int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s,
void ff_hevc_reset_sei(HEVCSEI *s)
{
av_buffer_unref(&s->a53_caption.buf_ref);
for (int i = 0; i < s->unregistered.nb_buf_ref; i++)
av_buffer_unref(&s->unregistered.buf_ref[i]);
s->unregistered.nb_buf_ref = 0;
av_freep(&s->unregistered.buf_ref);
}