2147 static void check_decode_result(InputStream *ist, int *got_output, int ret)  in check_decode_result()  argument
2149     if (*got_output || ret<0)  in check_decode_result()
2155     if (*got_output && ist) {  in check_decode_result()
2330 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output,  in decode_audio()  argument
2345     ret = decode(avctx, decoded_frame, got_output, pkt);  in decode_audio()
2356         check_decode_result(ist, got_output, ret);  in decode_audio()
2358     if (!*got_output || ret < 0)  in decode_audio()
2392 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *duration_pts, in…  in decode_video()  argument
2428     ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt);  in decode_video()
2449         check_decode_result(ist, got_output, ret);  in decode_video()
2451     if (*got_output && ret >= 0) {  in decode_video()
2465     if (!*got_output || ret < 0)  in decode_video()
2523 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output,  in transcode_subtitles()  argument
2529                                           &subtitle, got_output, pkt);  in transcode_subtitles()
2531     check_decode_result(NULL, got_output, ret);  in transcode_subtitles()
2533     if (ret < 0 || !*got_output) {  in transcode_subtitles()
2542         if (ist->prev_sub.got_output) {  in transcode_subtitles()
2553         FFSWAP(int,        *got_output, ist->prev_sub.got_output);  in transcode_subtitles()
2560     if (!*got_output)  in transcode_subtitles()
2662         int got_output = 0;  in process_input_packet()  local
2670             ret = decode_audio    (ist, repeating ? NULL : avpkt, &got_output,  in process_input_packet()
2675             ret = decode_video    (ist, repeating ? NULL : avpkt, &got_output, &duration_pts, !pkt,  in process_input_packet()
2677             if (!repeating || !pkt || got_output) {  in process_input_packet()
2693             if (got_output) {  in process_input_packet()
2705             ret = transcode_subtitles(ist, avpkt, &got_output, &decode_failed);  in process_input_packet()
2732         if (got_output)  in process_input_packet()
2733             ist->got_output = 1;  in process_input_packet()
2735         if (!got_output)  in process_input_packet()
4737             if (!ifilter->ist->got_output && !input_files[ifilter->ist->file_index]->eof_reached) {  in transcode_step()