SCM ffmpeg_decode_audio_video(SCM scm_self)
{
SCM retval = SCM_BOOL_F;
struct ffmpeg_t *self = get_self(scm_self);
if (!is_input_context(self))
scm_misc_error("ffmpeg-decode-audio/video", "Attempt to read frame from FFmpeg output video", SCM_EOL);
while (scm_is_false(retval)) {
if (packet_empty(self)) read_packet(self);
int reading_cache = packet_empty(self);
if (self->pkt.stream_index == self->audio_stream_idx) {
av_frame_unref(self->audio_target_frame);
retval = decode_audio(self, &self->pkt, self->audio_target_frame);
} else if (self->pkt.stream_index == self->video_stream_idx) {
av_frame_unref(self->video_target_frame);
retval = decode_video(self, &self->pkt, self->video_target_frame);
} else
consume_packet_data(&self->pkt, self->pkt.size);
if (scm_is_false(retval) && reading_cache) break;
};
return retval;
}
/* JDD's code */
void debug_out(struct buffer& b) {
for (size_t i=0; i<b.num_samples; i++) {
struct sample& c = b.samples[i];
ProcessInfo& pi = getProcessInfo(c.pid, packet_empty());
fprintf(stderr,
"%lu,%u,%lu,%u,%u,%u,%u,%u,%u,%s,%s\n",
c.pid, b.core, c.cycles,
c.counters[0], c.counters[1], c.counters[2],
c.counters[3], c.counters[4], c.counters[5],
pi.cmdline.c_str(), pi.executable.c_str());
}
}
int network_send(struct buffer &b, uint32_t missed, size_t *total)
{
size_t sent = 0;
size_t sent_total = 0;
size_t index = 0;
void *data = NULL;
assert(b.num_samples <= BUFFER_ENTRIES);
if (debug)
fprintf(stderr, "STARTING BATCH WITH %u SAMPLES!\n", b.num_samples);
packet_start_batch();
for (index = 0; index < b.num_samples; ++index) {
struct sample &s = b.samples[index];
struct ProcessInfo& pi = getProcessInfo(s.pid, packet_empty());
if (packet_should_create(b, s, pi)) {
if (debug)
fprintf(stderr, "PACKET MUST BE SENT BEFORE CONTINUING.\n");
if (transmit(&sent))
return -1;
sent_total += sent;
}
/* This should never happen given the above statement */
if (packet_append(b, s, pi, missed))
return -1;
}
/* Anything at the end should be sent */
if (transmit(&sent))
return -1;
sent_total += sent;
if (total)
*total = sent_total;
return 0;
}
