Android/scrcpy
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity

Only set valid PTS/DTS

Browse source 
When the PTS is valid, set both PTS and DTS to avoid FFmpeg warnings.

Since configuration packets have no PTS, do not record these packets.
This commit is contained in:
Romain Vimont 2018-11-09 16:09:15 +01:00
parent 27686e9361
commit 2cd99e7205
3 changed files with 33 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
app/src/decoder.c
View file

@ -15,6 +15,7 @@
#include "recorder.h"
#define BUFSIZE 0x10000
#define MEDIA_CODEC_FLAG_CONFIG 2 // MediaCodec.BUFFER_FLAG_CODEC_CONFIG
static inline uint64_t from_be(uint8_t *b, int size)
{
@ -45,6 +46,7 @@ static int read_packet(void *opaque, uint8_t *buf, int buf_size) {
return ret;
decoder->pts = from_be(header, 8);
decoder->buffer_info_flags = from_be(header + 8, 4);
remaining = from_be(header + 12, 4);
}
@ -141,13 +143,20 @@ static int run_decoder(void *data) {
while (!av_read_frame(format_ctx, &packet)) {
if (decoder->recorder) {
packet.pts = decoder->pts;
// no need to rescale with av_packet_rescale_ts(), the timestamps
// are in microseconds both in input and output
if (!recorder_write(decoder->recorder, &packet)) {
LOGE("Could not write frame to output file");
av_packet_unref(&packet);
goto run_quit;
// do not record configuration packets
// (they contain no media data and have no PTS/DTS)
// FIXME do not use MediaCodec specific flags
if (!(decoder->buffer_info_flags & MEDIA_CODEC_FLAG_CONFIG)) {
packet.pts = decoder->pts;
packet.dts = decoder->pts;
// no need to rescale with av_packet_rescale_ts(), the timestamps
// are in microseconds both in input and output
if (!recorder_write(decoder->recorder, &packet)) {
LOGE("Could not write frame to output file");
av_packet_unref(&packet);
goto run_quit;
}
}
}

3
app/src/decoder.h
View file

@ -10,12 +10,13 @@
struct frames;
struct decoder {
uint64_t pts;
struct frames *frames;
socket_t video_socket;
SDL_Thread *thread;
SDL_mutex *mutex;
struct recorder *recorder;
uint64_t pts;
uint32_t buffer_info_flags;
int remaining;
};

18
server/src/main/java/com/genymobile/scrcpy/ScreenEncoder.java
View file

@ -29,6 +29,7 @@ public class ScreenEncoder implements Device.RotationListener {
private int bitRate;
private int frameRate;
private int iFrameInterval;
private long ptsOrigin;
public ScreenEncoder(int bitRate, int frameRate, int iFrameInterval) {
this.bitRate = bitRate;
@ -93,11 +94,22 @@ public class ScreenEncoder implements Device.RotationListener {
}
if (outputBufferId >= 0) {
ByteBuffer codecBuffer = codec.getOutputBuffer(outputBufferId);
bBuffer.position(0);
bBuffer.putLong(bufferInfo.presentationTimeUs);
bBuffer.clear();
long pts;
if ((bufferInfo.flags & MediaCodec.BUFFER_FLAG_CODEC_CONFIG) != 0) {
pts = 0; // non-media data packet
} else {
if (ptsOrigin == 0) {
ptsOrigin = bufferInfo.presentationTimeUs;
}
pts = bufferInfo.presentationTimeUs - ptsOrigin;
}
bBuffer.putLong(pts);
bBuffer.putInt(bufferInfo.flags);
bBuffer.putInt(codecBuffer.remaining());
bBuffer.position(0);
bBuffer.flip();
IO.writeFully(fd, bBuffer);
IO.writeFully(fd, codecBuffer);
}