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Adjust bitrates for video messages.

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This commit is contained in:
John Preston 2024-10-17 22:52:32 +04:00
parent 4cf6173d25
commit 511cfc524f
1 changed files with 8 additions and 5 deletions
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13
Telegram/SourceFiles/ui/controls/round_video_recorder.cpp
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@ -21,6 +21,9 @@ namespace {
constexpr auto kSide = 400;
constexpr auto kUpdateEach = crl::time(100);
constexpr auto kAudioFrequency = 48'000;
constexpr auto kAudioBitRate = 32'000;
constexpr auto kVideoBitRate = 3 * 1024 * 1024;
using namespace FFmpeg;
@ -211,7 +214,7 @@ bool RoundVideoRecorder::Private::initVideo() {
_videoCodec->time_base = AVRational{ 1, 1'000'000 }; // Microseconds.
_videoCodec->framerate = AVRational{ 0, 1 }; // Variable frame rate.
_videoCodec->pix_fmt = AV_PIX_FMT_YUV420P;
_videoCodec->bit_rate = 5 * 1024 * 1024; // 5Mbps
_videoCodec->bit_rate = kVideoBitRate;
auto error = AvErrorWrap(avcodec_open2(
_videoCodec.get(),
@ -273,8 +276,8 @@ bool RoundVideoRecorder::Private::initAudio() {
_audioChannels = 1;
_audioCodec->sample_fmt = AV_SAMPLE_FMT_FLTP;
_audioCodec->bit_rate = 32000;
_audioCodec->sample_rate = 48000;
_audioCodec->bit_rate = kAudioBitRate;
_audioCodec->sample_rate = kAudioFrequency;
#if DA_FFMPEG_NEW_CHANNEL_LAYOUT
_audioCodec->ch_layout = AV_CHANNEL_LAYOUT_MONO;
_audioCodec->channels = _audioCodec->ch_layout.nb_channels;
@ -547,9 +550,9 @@ void RoundVideoRecorder::Private::encodeAudioFrame(
while (samplesProcessed + _audioCodec->frame_size <= inSamples) {
const auto remainingSamples = inSamples - samplesProcessed;
auto outSamples = int(av_rescale_rnd(
swr_get_delay(_swrContext.get(), 48000) + remainingSamples,
swr_get_delay(_swrContext.get(), kAudioFrequency) + remainingSamples,
_audioCodec->sample_rate,
48000,
kAudioFrequency,
AV_ROUND_UP));
// Ensure we don't exceed the frame's capacity