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Send frame meta only if recording is enabled

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The client needs the PTS for each frame only if recording is enabled.
Otherwise, the PTS are not necessary, and the protocol is more
straighforward.
This commit is contained in:
Romain Vimont
2018-11-11 14:41:54 +01:00
parent 22bf0c19d6
commit 345f8858d3
7 changed files with 75 additions and 29 deletions
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13
app/src/decoder.c
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@@ -20,7 +20,7 @@
#define HEADER_SIZE 12
static int read_packet(void *opaque, uint8_t *buf, int buf_size) {
static int read_packet_with_meta(void *opaque, uint8_t *buf, int buf_size) {
struct decoder *decoder = opaque;
struct receiver_state *state = &decoder->receiver_state;
@@ -69,6 +69,11 @@ static int read_packet(void *opaque, uint8_t *buf, int buf_size) {
return ret;
}
static int read_raw_packet(void *opaque, uint8_t *buf, int buf_size) {
struct decoder *decoder = opaque;
return net_recv(decoder->video_socket, buf, buf_size);
}
// set the decoded frame as ready for rendering, and notify
static void push_frame(struct decoder *decoder) {
SDL_bool previous_frame_consumed = frames_offer_decoded_frame(decoder->frames);
@@ -123,7 +128,11 @@ static int run_decoder(void *data) {
// initialize the receiver state
decoder->receiver_state.remaining = 0;
AVIOContext *avio_ctx = avio_alloc_context(buffer, BUFSIZE, 0, decoder, read_packet, NULL, NULL);
// if recording is enabled, a "header" is sent between raw packets
int (*read_packet)(void *, uint8_t *, int) =
decoder->recorder ? read_packet_with_meta : read_raw_packet;
AVIOContext *avio_ctx = avio_alloc_context(buffer, BUFSIZE, 0, decoder,
read_packet, NULL, NULL);
if (!avio_ctx) {
LOGC("Could not allocate avio context");
// avformat_open_input takes ownership of 'buffer'