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Decode all supported video formats from uAV2 on desktop

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evgeny committed 2026-10-14 01:14:38 +02:00
1 parent c815d06ab0
commit 3e7197702b
2 files changed
+28 -4
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tools/chatgui/src/streamplayer_window.cpp
+27 -4
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@@ -293,16 +293,39 @@ void StreamPlayerWindow::decode() {
deadline = nowUs() + 10000000;
}
if (waitKey && !(record.flags & STREAM_MEDIA_KEY)) continue;
const uint8_t* data = reinterpret_cast<const uint8_t*>(record.data.constData());
const uint8_t* configuration = nullptr; size_t size = (size_t)record.data.size(), configurationSize = 0;
if (record.flags & STREAM_MEDIA_KEY) {
if (stream_media_key_parse(data, size, &configuration, &configurationSize, &data, &size) != STREAM_OK) {
fail(text("Stream video decoder failed")); break;
}
}
if (!decoder) {
const AVCodec* codec = avcodec_find_decoder(AV_CODEC_ID_H264);
AVCodecID codecId = record.format.video_codec == STREAM_MEDIA_H264 ? AV_CODEC_ID_H264
: record.format.video_codec == STREAM_MEDIA_H265 ? AV_CODEC_ID_HEVC
: record.format.video_codec == STREAM_MEDIA_VP9 ? AV_CODEC_ID_VP9
: record.format.video_codec == STREAM_MEDIA_AV1 ? AV_CODEC_ID_AV1 : AV_CODEC_ID_NONE;
if (record.format.video_codec == STREAM_MEDIA_H266) {
const AVCodecDescriptor* descriptor = avcodec_descriptor_get_by_name("vvc");
if (descriptor) codecId = descriptor->id;
}
const AVCodec* codec = avcodec_find_decoder(codecId);
decoder = codec ? avcodec_alloc_context3(codec) : nullptr;
if (decoder) { decoder->thread_count = 1; decoder->flags |= AV_CODEC_FLAG_LOW_DELAY; }
if (decoder) {
decoder->thread_count = 1; decoder->flags |= AV_CODEC_FLAG_LOW_DELAY;
if (configurationSize) {
decoder->extradata = static_cast<uint8_t*>(av_mallocz(configurationSize + AV_INPUT_BUFFER_PADDING_SIZE));
if (!decoder->extradata) { fail(text("Stream decoder allocation failed")); break; }
std::memcpy(decoder->extradata, configuration, configurationSize); decoder->extradata_size = (int)configurationSize;
}
}
if (!decoder || avcodec_open2(decoder, codec, nullptr) < 0) { fail(text("Stream video decoder failed")); break; }
DEBUG_INFO(DEBUG_CATEGORY_STREAM, "desktop decoder codec=%u name=%s config=%zu", record.format.video_codec, codec->name, configurationSize);
decoder->pkt_timebase = AVRational{1, 1000000}; waitKey = false;
}
av_packet_unref(packet);
if (av_new_packet(packet, record.data.size()) < 0) { fail(text("Stream decoder allocation failed")); break; }
std::memcpy(packet->data, record.data.constData(), (size_t)record.data.size());
if (av_new_packet(packet, (int)size) < 0) { fail(text("Stream decoder allocation failed")); break; }
std::memcpy(packet->data, data, size);
packet->pts = packet->dts = (int64_t)record.pts;
int sent = avcodec_send_packet(decoder, packet);
if (sent < 0) { DEBUG_WARN(DEBUG_CATEGORY_STREAM, "desktop H264 packet rejected result=%d", sent); reset(true); continue; }