mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-03-17 20:17:55 +02:00
ffmpeg: move keyboard interaction in a function.
It makes the transcode loop easier to read (30% less code) and the differences with avconv easier to spot.
This commit is contained in:
Nicolas George
parent
9915a33fc2
commit
25e87fc5f6
184
ffmpeg.c
184
ffmpeg.c
@ -3210,6 +3210,99 @@ static int select_input_file(uint8_t *no_packet)
|
|||||||
return file_index;
|
return file_index;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static int check_keyboard_interaction(int64_t cur_time)
|
||||||
|
{
|
||||||
|
int i, ret, key;
|
||||||
|
static int64_t last_time;
|
||||||
|
if (received_nb_signals)
|
||||||
|
return AVERROR_EXIT;
|
||||||
|
/* read_key() returns 0 on EOF */
|
||||||
|
if(cur_time - last_time >= 100000 && !run_as_daemon){
|
||||||
|
key = read_key();
|
||||||
|
last_time = cur_time;
|
||||||
|
}else
|
||||||
|
key = -1;
|
||||||
|
if (key == 'q')
|
||||||
|
return AVERROR_EXIT;
|
||||||
|
if (key == '+') av_log_set_level(av_log_get_level()+10);
|
||||||
|
if (key == '-') av_log_set_level(av_log_get_level()-10);
|
||||||
|
if (key == 's') qp_hist ^= 1;
|
||||||
|
if (key == 'h'){
|
||||||
|
if (do_hex_dump){
|
||||||
|
do_hex_dump = do_pkt_dump = 0;
|
||||||
|
} else if(do_pkt_dump){
|
||||||
|
do_hex_dump = 1;
|
||||||
|
} else
|
||||||
|
do_pkt_dump = 1;
|
||||||
|
av_log_set_level(AV_LOG_DEBUG);
|
||||||
|
}
|
||||||
|
if (key == 'c' || key == 'C'){
|
||||||
|
char buf[4096], target[64], command[256], arg[256] = {0};
|
||||||
|
double time;
|
||||||
|
int k, n = 0;
|
||||||
|
fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
|
||||||
|
i = 0;
|
||||||
|
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
|
||||||
|
if (k > 0)
|
||||||
|
buf[i++] = k;
|
||||||
|
buf[i] = 0;
|
||||||
|
if (k > 0 &&
|
||||||
|
(n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
|
||||||
|
av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
|
||||||
|
target, time, command, arg);
|
||||||
|
for (i = 0; i < nb_filtergraphs; i++) {
|
||||||
|
FilterGraph *fg = filtergraphs[i];
|
||||||
|
if (fg->graph) {
|
||||||
|
if (time < 0) {
|
||||||
|
ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
|
||||||
|
key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
|
||||||
|
fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
|
||||||
|
} else {
|
||||||
|
ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
av_log(NULL, AV_LOG_ERROR,
|
||||||
|
"Parse error, at least 3 arguments were expected, "
|
||||||
|
"only %d given in string '%s'\n", n, buf);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (key == 'd' || key == 'D'){
|
||||||
|
int debug=0;
|
||||||
|
if(key == 'D') {
|
||||||
|
debug = input_streams[0]->st->codec->debug<<1;
|
||||||
|
if(!debug) debug = 1;
|
||||||
|
while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
|
||||||
|
debug += debug;
|
||||||
|
}else
|
||||||
|
if(scanf("%d", &debug)!=1)
|
||||||
|
fprintf(stderr,"error parsing debug value\n");
|
||||||
|
for(i=0;i<nb_input_streams;i++) {
|
||||||
|
input_streams[i]->st->codec->debug = debug;
|
||||||
|
}
|
||||||
|
for(i=0;i<nb_output_streams;i++) {
|
||||||
|
OutputStream *ost = output_streams[i];
|
||||||
|
ost->st->codec->debug = debug;
|
||||||
|
}
|
||||||
|
if(debug) av_log_set_level(AV_LOG_DEBUG);
|
||||||
|
fprintf(stderr,"debug=%d\n", debug);
|
||||||
|
}
|
||||||
|
if (key == '?'){
|
||||||
|
fprintf(stderr, "key function\n"
|
||||||
|
"? show this help\n"
|
||||||
|
"+ increase verbosity\n"
|
||||||
|
"- decrease verbosity\n"
|
||||||
|
"c Send command to filtergraph\n"
|
||||||
|
"D cycle through available debug modes\n"
|
||||||
|
"h dump packets/hex press to cycle through the 3 states\n"
|
||||||
|
"q quit\n"
|
||||||
|
"s Show QP histogram\n"
|
||||||
|
);
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* The following code is the main loop of the file converter
|
* The following code is the main loop of the file converter
|
||||||
*/
|
*/
|
||||||
@ -3222,7 +3315,6 @@ static int transcode(void)
|
|||||||
uint8_t *no_packet;
|
uint8_t *no_packet;
|
||||||
int no_packet_count = 0;
|
int no_packet_count = 0;
|
||||||
int64_t timer_start;
|
int64_t timer_start;
|
||||||
int key;
|
|
||||||
|
|
||||||
if (!(no_packet = av_mallocz(nb_input_files)))
|
if (!(no_packet = av_mallocz(nb_input_files)))
|
||||||
exit_program(1);
|
exit_program(1);
|
||||||
@ -3243,95 +3335,9 @@ static int transcode(void)
|
|||||||
int64_t cur_time= av_gettime();
|
int64_t cur_time= av_gettime();
|
||||||
|
|
||||||
/* if 'q' pressed, exits */
|
/* if 'q' pressed, exits */
|
||||||
if (!using_stdin) {
|
if (!using_stdin)
|
||||||
static int64_t last_time;
|
if (check_keyboard_interaction(cur_time) < 0)
|
||||||
if (received_nb_signals)
|
|
||||||
break;
|
break;
|
||||||
/* read_key() returns 0 on EOF */
|
|
||||||
if(cur_time - last_time >= 100000 && !run_as_daemon){
|
|
||||||
key = read_key();
|
|
||||||
last_time = cur_time;
|
|
||||||
}else
|
|
||||||
key = -1;
|
|
||||||
if (key == 'q')
|
|
||||||
break;
|
|
||||||
if (key == '+') av_log_set_level(av_log_get_level()+10);
|
|
||||||
if (key == '-') av_log_set_level(av_log_get_level()-10);
|
|
||||||
if (key == 's') qp_hist ^= 1;
|
|
||||||
if (key == 'h'){
|
|
||||||
if (do_hex_dump){
|
|
||||||
do_hex_dump = do_pkt_dump = 0;
|
|
||||||
} else if(do_pkt_dump){
|
|
||||||
do_hex_dump = 1;
|
|
||||||
} else
|
|
||||||
do_pkt_dump = 1;
|
|
||||||
av_log_set_level(AV_LOG_DEBUG);
|
|
||||||
}
|
|
||||||
if (key == 'c' || key == 'C'){
|
|
||||||
char buf[4096], target[64], command[256], arg[256] = {0};
|
|
||||||
double time;
|
|
||||||
int k, n = 0;
|
|
||||||
fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
|
|
||||||
i = 0;
|
|
||||||
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
|
|
||||||
if (k > 0)
|
|
||||||
buf[i++] = k;
|
|
||||||
buf[i] = 0;
|
|
||||||
if (k > 0 &&
|
|
||||||
(n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
|
|
||||||
av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
|
|
||||||
target, time, command, arg);
|
|
||||||
for (i = 0; i < nb_filtergraphs; i++) {
|
|
||||||
FilterGraph *fg = filtergraphs[i];
|
|
||||||
if (fg->graph) {
|
|
||||||
if (time < 0) {
|
|
||||||
ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
|
|
||||||
key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
|
|
||||||
fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
|
|
||||||
} else {
|
|
||||||
ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
av_log(NULL, AV_LOG_ERROR,
|
|
||||||
"Parse error, at least 3 arguments were expected, "
|
|
||||||
"only %d given in string '%s'\n", n, buf);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (key == 'd' || key == 'D'){
|
|
||||||
int debug=0;
|
|
||||||
if(key == 'D') {
|
|
||||||
debug = input_streams[0]->st->codec->debug<<1;
|
|
||||||
if(!debug) debug = 1;
|
|
||||||
while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
|
|
||||||
debug += debug;
|
|
||||||
}else
|
|
||||||
if(scanf("%d", &debug)!=1)
|
|
||||||
fprintf(stderr,"error parsing debug value\n");
|
|
||||||
for(i=0;i<nb_input_streams;i++) {
|
|
||||||
input_streams[i]->st->codec->debug = debug;
|
|
||||||
}
|
|
||||||
for(i=0;i<nb_output_streams;i++) {
|
|
||||||
ost = output_streams[i];
|
|
||||||
ost->st->codec->debug = debug;
|
|
||||||
}
|
|
||||||
if(debug) av_log_set_level(AV_LOG_DEBUG);
|
|
||||||
fprintf(stderr,"debug=%d\n", debug);
|
|
||||||
}
|
|
||||||
if (key == '?'){
|
|
||||||
fprintf(stderr, "key function\n"
|
|
||||||
"? show this help\n"
|
|
||||||
"+ increase verbosity\n"
|
|
||||||
"- decrease verbosity\n"
|
|
||||||
"c Send command to filtergraph\n"
|
|
||||||
"D cycle through available debug modes\n"
|
|
||||||
"h dump packets/hex press to cycle through the 3 states\n"
|
|
||||||
"q quit\n"
|
|
||||||
"s Show QP histogram\n"
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/* check if there's any stream where output is still needed */
|
/* check if there's any stream where output is still needed */
|
||||||
if (!need_output()) {
|
if (!need_output()) {
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user