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encoder/ffmpeg: Assume extra data and sei are present on first frame 

While this may break some unusual encoders that require additional frames for extra data or sei data to be present, it fixes the problem where encoders would never record at all. May need to look into a different solution in the future.

Fixes #911
This commit is contained in:
Michael Fabian 'Xaymar' Dirks 2022-09-08 23:57:18 +02:00
parent 3d293bac6a
commit bbac990644
1 changed files with 6 additions and 3 deletions
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9
source/encoders/encoder-ffmpeg.cpp
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@ -583,7 +583,7 @@ std::shared_ptr<AVFrame> ffmpeg_instance::pop_used_frame()
bool ffmpeg_instance::get_extra_data(uint8_t** data, size_t* size)
{
if (_extra_data.size() == 0)
if (!_have_first_frame)
return false;
*data = _extra_data.data();
@ -593,7 +593,7 @@ bool ffmpeg_instance::get_extra_data(uint8_t** data, size_t* size)
bool ffmpeg_instance::get_sei_data(uint8_t** data, size_t* size)
{
if (_sei_data.size() == 0)
if (!_have_first_frame)
return false;
*data = _sei_data.data();
@ -678,7 +678,10 @@ int ffmpeg_instance::receive_packet(bool* received_packet, struct encoder_packet
packet->drop_priority = 3;
for (size_t idx = 0, edx = static_cast<size_t>(_packet->side_data_elems); idx < edx; idx++) {
auto& side_data = _packet->side_data[idx];
if (side_data.type == AV_PKT_DATA_QUALITY_STATS) {
if (side_data.type == AV_PKT_DATA_NEW_EXTRADATA) {
_extra_data.resize(side_data.size);
std::memcpy(_extra_data.data(), side_data.data, side_data.size);
} else if (side_data.type == AV_PKT_DATA_QUALITY_STATS) {
// Decisions based on picture type, if present.
switch (side_data.data[sizeof(uint32_t)]) {
case AV_PICTURE_TYPE_I: // I-Frame