/** head of registered output format linked list. */
AVOutputFormat *first_oformat = NULL;
+AVInputFormat *av_iformat_next(AVInputFormat *f)
+{
+ if(f) return f->next;
+ else return first_iformat;
+}
+
+AVOutputFormat *av_oformat_next(AVOutputFormat *f)
+{
+ if(f) return f->next;
+ else return first_oformat;
+}
+
void av_register_input_format(AVInputFormat *format)
{
AVInputFormat **p;
{"track", " set the track number", OFFSET(track), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},
{"year", "set the year", OFFSET(year), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, E},
{"analyzeduration", "how many microseconds are analyzed to estimate duration", OFFSET(max_analyze_duration), FF_OPT_TYPE_INT, 3*AV_TIME_BASE, 0, INT_MAX, D},
+{"cryptokey", "decryption key", OFFSET(key), FF_OPT_TYPE_BINARY, 0, 0, 0, D},
{NULL},
};
goto fail;
}
ic->iformat = fmt;
- if (pb)
- ic->pb = *pb;
+ ic->pb = pb;
ic->duration = AV_NOPTS_VALUE;
ic->start_time = AV_NOPTS_VALUE;
av_strlcpy(ic->filename, filename, sizeof(ic->filename));
goto fail;
if (pb && !ic->data_offset)
- ic->data_offset = url_ftell(&ic->pb);
+ ic->data_offset = url_ftell(ic->pb);
*ic_ptr = ic;
return 0;
int buf_size,
AVFormatParameters *ap)
{
- int err, must_open_file, file_opened, probe_size;
+ int err, probe_size;
AVProbeData probe_data, *pd = &probe_data;
- ByteIOContext pb1, *pb = &pb1;
+ ByteIOContext *pb = NULL;
- file_opened = 0;
pd->filename = "";
if (filename)
pd->filename = filename;
/* do not open file if the format does not need it. XXX: specific
hack needed to handle RTSP/TCP */
- must_open_file = 1;
- if (fmt && (fmt->flags & AVFMT_NOFILE)) {
- must_open_file = 0;
- pb= NULL; //FIXME this or memset(pb, 0, sizeof(ByteIOContext)); otherwise it is uninitialized
- }
-
- if (!fmt || must_open_file) {
+ if (!fmt || !(fmt->flags & AVFMT_NOFILE)) {
/* if no file needed do not try to open one */
- if ((err=url_fopen(pb, filename, URL_RDONLY)) < 0) {
+ if ((err=url_fopen(&pb, filename, URL_RDONLY)) < 0) {
goto fail;
}
- file_opened = 1;
if (buf_size > 0) {
url_setbufsize(pb, buf_size);
}
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
if (url_fseek(pb, 0, SEEK_SET) < 0) {
url_fclose(pb);
- if (url_fopen(pb, filename, URL_RDONLY) < 0) {
- file_opened = 0;
+ if (url_fopen(&pb, filename, URL_RDONLY) < 0) {
+ pb = NULL;
err = AVERROR(EIO);
goto fail;
}
goto fail;
}
- /* XXX: suppress this hack for redirectors */
-#ifdef CONFIG_REDIR_DEMUXER
- if (!strcmp(fmt->name, "redir")) {
- int redir_open(AVFormatContext **ic_ptr, ByteIOContext *f);
- err = redir_open(ic_ptr, pb);
- url_fclose(pb);
- return err;
- }
-#endif
-
/* check filename in case of an image number is expected */
if (fmt->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(filename)) {
return 0;
fail:
av_freep(&pd->buf);
- if (file_opened)
+ if (pb)
url_fclose(pb);
*ic_ptr = NULL;
return err;
pkt->dts += offset;
}
- if(is_intra_only(st->codec))
- pkt->flags |= PKT_FLAG_KEY;
-
/* do we have a video B frame ? */
delay= st->codec->has_b_frames;
presentation_delayed = 0;
// av_log(NULL, AV_LOG_ERROR, "OUTdelayed:%d/%d pts:%"PRId64", dts:%"PRId64" cur_dts:%"PRId64"\n", presentation_delayed, delay, pkt->pts, pkt->dts, st->cur_dts);
/* update flags */
- if (pc) {
+ if(is_intra_only(st->codec))
+ pkt->flags |= PKT_FLAG_KEY;
+ else if (pc) {
pkt->flags = 0;
/* key frame computation */
if (pc->pict_type == FF_I_TYPE)
return -1;
/* do the seek */
- url_fseek(&s->pb, pos, SEEK_SET);
+ url_fseek(s->pb, pos, SEEK_SET);
av_update_cur_dts(s, st, ts);
if(ts_max == AV_NOPTS_VALUE){
int step= 1024;
- filesize = url_fsize(&s->pb);
+ filesize = url_fsize(s->pb);
pos_max = filesize - 1;
do{
pos_max -= step;
#endif
pos_min = s->data_offset;
- pos_max = url_fsize(&s->pb) - 1;
+ pos_max = url_fsize(s->pb) - 1;
if (pos < pos_min) pos= pos_min;
else if(pos > pos_max) pos= pos_max;
- url_fseek(&s->pb, pos, SEEK_SET);
+ url_fseek(s->pb, pos, SEEK_SET);
#if 0
av_update_cur_dts(s, st, ts);
if(st->index_entries && st->nb_index_entries){
ie= &st->index_entries[st->nb_index_entries-1];
- url_fseek(&s->pb, ie->pos, SEEK_SET);
+ url_fseek(s->pb, ie->pos, SEEK_SET);
av_update_cur_dts(s, st, ie->timestamp);
}else
- url_fseek(&s->pb, 0, SEEK_SET);
+ url_fseek(s->pb, 0, SEEK_SET);
for(i=0;; i++) {
int ret = av_read_frame(s, &pkt);
return 0;
}
ie = &st->index_entries[index];
- url_fseek(&s->pb, ie->pos, SEEK_SET);
+ url_fseek(s->pb, ie->pos, SEEK_SET);
av_update_cur_dts(s, st, ie->timestamp);
/* we read the first packets to get the first PTS (not fully
accurate, but it is enough now) */
- url_fseek(&ic->pb, 0, SEEK_SET);
+ url_fseek(ic->pb, 0, SEEK_SET);
read_size = 0;
for(;;) {
if (read_size >= DURATION_MAX_READ_SIZE)
if (offset < 0)
offset = 0;
- url_fseek(&ic->pb, offset, SEEK_SET);
+ url_fseek(ic->pb, offset, SEEK_SET);
read_size = 0;
for(;;) {
if (read_size >= DURATION_MAX_READ_SIZE)
fill_all_stream_timings(ic);
- url_fseek(&ic->pb, old_offset, SEEK_SET);
+ url_fseek(ic->pb, old_offset, SEEK_SET);
for(i=0; i<ic->nb_streams; i++){
st= ic->streams[i];
st->cur_dts= st->first_dts;
if (ic->iformat->flags & AVFMT_NOFILE) {
file_size = 0;
} else {
- file_size = url_fsize(&ic->pb);
+ file_size = url_fsize(ic->pb);
if (file_size < 0)
file_size = 0;
}
if ((!strcmp(ic->iformat->name, "mpeg") ||
!strcmp(ic->iformat->name, "mpegts")) &&
- file_size && !ic->pb.is_streamed) {
+ file_size && !ic->pb->is_streamed) {
/* get accurate estimate from the PTSes */
av_estimate_timings_from_pts(ic, old_offset);
} else if (av_has_duration(ic)) {
val = 1;
break;
}
- return (val != 0);
+ return (enc->codec_id != CODEC_ID_NONE && val != 0);
}
static int try_decode_frame(AVStream *st, const uint8_t *data, int size)
int64_t last_dts[MAX_STREAMS];
int duration_count[MAX_STREAMS]={0};
double (*duration_error)[MAX_STD_TIMEBASES];
- offset_t old_offset = url_ftell(&ic->pb);
+ offset_t old_offset = url_ftell(ic->pb);
int64_t codec_info_duration[MAX_STREAMS]={0};
int codec_info_nb_frames[MAX_STREAMS]={0};
AVProbeData probe_data[MAX_STREAMS];
break;
if(st->parser && st->parser->parser->split && !st->codec->extradata)
break;
- if (st->codec->codec_type == CODEC_TYPE_AUDIO &&
- st->codec->codec_id == CODEC_ID_NONE)
- break;
if(st->first_dts == AV_NOPTS_VALUE)
break;
}
}
st->cur_dts= st->first_dts;
}
- url_fseek(&ic->pb, ic->data_offset, SEEK_SET);
+ url_fseek(ic->pb, ic->data_offset, SEEK_SET);
}
#if 0
int av_read_play(AVFormatContext *s)
{
- if (!s->iformat->read_play)
- return AVERROR(ENOSYS);
- return s->iformat->read_play(s);
+ if (s->iformat->read_play)
+ return s->iformat->read_play(s);
+ if (s->pb && s->pb->read_play)
+ return av_url_read_fplay(s->pb);
+ return AVERROR(ENOSYS);
}
int av_read_pause(AVFormatContext *s)
{
- if (!s->iformat->read_pause)
- return AVERROR(ENOSYS);
- return s->iformat->read_pause(s);
+ if (s->iformat->read_pause)
+ return s->iformat->read_pause(s);
+ if (s->pb && s->pb->read_pause)
+ return av_url_read_fpause(s->pb);
+ return AVERROR(ENOSYS);
}
void av_close_input_file(AVFormatContext *s)
{
- int i, must_open_file;
+ int i;
AVStream *st;
/* free previous packet */
for(i=s->nb_programs-1; i>=0; i--) {
av_freep(&s->programs[i]->provider_name);
av_freep(&s->programs[i]->name);
+ av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
flush_packet_queue(s);
- must_open_file = 1;
- if (s->iformat->flags & AVFMT_NOFILE) {
- must_open_file = 0;
- }
- if (must_open_file) {
- url_fclose(&s->pb);
- }
+ if (!(s->iformat->flags & AVFMT_NOFILE))
+ url_fclose(s->pb);
av_freep(&s->priv_data);
av_free(s);
}
ret= s->oformat->write_packet(s, pkt);
if(!ret)
- ret= url_ferror(&s->pb);
+ ret= url_ferror(s->pb);
return ret;
}
if(ret<0)
return ret;
- if(url_ferror(&s->pb))
- return url_ferror(&s->pb);
+ if(url_ferror(s->pb))
+ return url_ferror(s->pb);
}
}
if(ret<0)
goto fail;
- if(url_ferror(&s->pb))
+ if(url_ferror(s->pb))
goto fail;
}
ret = s->oformat->write_trailer(s);
fail:
if(ret == 0)
- ret=url_ferror(&s->pb);
+ ret=url_ferror(s->pb);
for(i=0;i<s->nb_streams;i++)
av_freep(&s->streams[i]->priv_data);
av_freep(&s->priv_data);
return ret;
}
+void av_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx)
+{
+ int i, j;
+ AVProgram *program=NULL;
+ void *tmp;
+
+ for(i=0; i<ac->nb_programs; i++){
+ if(ac->programs[i]->id != progid)
+ continue;
+ program = ac->programs[i];
+ for(j=0; j<program->nb_stream_indexes; j++)
+ if(program->stream_index[j] == idx)
+ return;
+
+ tmp = av_realloc(program->stream_index, sizeof(unsigned int)*(program->nb_stream_indexes+1));
+ if(!tmp)
+ return;
+ program->stream_index = tmp;
+ program->stream_index[program->nb_stream_indexes++] = idx;
+ return;
+ }
+}
+
/* "user interface" functions */
+static void dump_stream_format(AVFormatContext *ic, int i, int index, int is_output)
+{
+ char buf[256];
+ int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
+ AVStream *st = ic->streams[i];
+ int g = ff_gcd(st->time_base.num, st->time_base.den);
+ avcodec_string(buf, sizeof(buf), st->codec, is_output);
+ av_log(NULL, AV_LOG_INFO, " Stream #%d.%d", index, i);
+ /* the pid is an important information, so we display it */
+ /* XXX: add a generic system */
+ if (flags & AVFMT_SHOW_IDS)
+ av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
+ if (strlen(st->language) > 0)
+ av_log(NULL, AV_LOG_INFO, "(%s)", st->language);
+ av_log(NULL, AV_LOG_DEBUG, ", %d/%d", st->time_base.num/g, st->time_base.den/g);
+ av_log(NULL, AV_LOG_INFO, ": %s", buf);
+ if(st->codec->codec_type == CODEC_TYPE_VIDEO){
+ if(st->r_frame_rate.den && st->r_frame_rate.num)
+ av_log(NULL, AV_LOG_INFO, ", %5.2f tb(r)", av_q2d(st->r_frame_rate));
+/* else if(st->time_base.den && st->time_base.num)
+ av_log(NULL, AV_LOG_INFO, ", %5.2f tb(m)", 1/av_q2d(st->time_base));*/
+ else
+ av_log(NULL, AV_LOG_INFO, ", %5.2f tb(c)", 1/av_q2d(st->codec->time_base));
+ }
+ av_log(NULL, AV_LOG_INFO, "\n");
+}
void dump_format(AVFormatContext *ic,
int index,
const char *url,
int is_output)
{
- int i, flags;
- char buf[256];
+ int i;
av_log(NULL, AV_LOG_INFO, "%s #%d, %s, %s '%s':\n",
is_output ? "Output" : "Input",
}
av_log(NULL, AV_LOG_INFO, "\n");
}
- for(i=0;i<ic->nb_streams;i++) {
- AVStream *st = ic->streams[i];
- int g= ff_gcd(st->time_base.num, st->time_base.den);
- avcodec_string(buf, sizeof(buf), st->codec, is_output);
- av_log(NULL, AV_LOG_INFO, " Stream #%d.%d", index, i);
- /* the pid is an important information, so we display it */
- /* XXX: add a generic system */
- if (is_output)
- flags = ic->oformat->flags;
- else
- flags = ic->iformat->flags;
- if (flags & AVFMT_SHOW_IDS) {
- av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
- }
- if (strlen(st->language) > 0) {
- av_log(NULL, AV_LOG_INFO, "(%s)", st->language);
- }
- av_log(NULL, AV_LOG_DEBUG, ", %d/%d", st->time_base.num/g, st->time_base.den/g);
- av_log(NULL, AV_LOG_INFO, ": %s", buf);
- if(st->codec->codec_type == CODEC_TYPE_VIDEO){
- if(st->r_frame_rate.den && st->r_frame_rate.num)
- av_log(NULL, AV_LOG_INFO, ", %5.2f fps(r)", av_q2d(st->r_frame_rate));
-/* else if(st->time_base.den && st->time_base.num)
- av_log(NULL, AV_LOG_INFO, ", %5.2f fps(m)", 1/av_q2d(st->time_base));*/
- else
- av_log(NULL, AV_LOG_INFO, ", %5.2f fps(c)", 1/av_q2d(st->codec->time_base));
- }
- av_log(NULL, AV_LOG_INFO, "\n");
- }
+ if(ic->nb_programs) {
+ int j, k;
+ for(j=0; j<ic->nb_programs; j++) {
+ av_log(NULL, AV_LOG_INFO, " Program %d %s\n", ic->programs[j]->id,
+ ic->programs[j]->name ? ic->programs[j]->name : "");
+ for(k=0; k<ic->programs[j]->nb_stream_indexes; k++)
+ dump_stream_format(ic, ic->programs[j]->stream_index[k], index, is_output);
+ }
+ } else
+ for(i=0;i<ic->nb_streams;i++)
+ dump_stream_format(ic, i, index, is_output);
}
int parse_image_size(int *width_ptr, int *height_ptr, const char *str)
char *path, int path_size,
const char *url)
{
- const char *p;
- char *q;
- int port;
+ const char *p, *ls, *at, *col, *brk, *q;
- port = -1;
+ if (port_ptr) *port_ptr = -1;
+ if (proto_size > 0) proto[0] = 0;
+ if (authorization_size > 0) authorization[0] = 0;
+ if (hostname_size > 0) hostname[0] = 0;
+ if (path_size > 0) path[0] = 0;
- p = url;
- q = proto;
- while (*p != ':' && *p != '\0') {
- if ((q - proto) < proto_size - 1)
- *q++ = *p;
- p++;
- }
- if (proto_size > 0)
- *q = '\0';
- if (authorization_size > 0)
- authorization[0] = '\0';
- if (*p == '\0') {
- if (proto_size > 0)
- proto[0] = '\0';
- if (hostname_size > 0)
- hostname[0] = '\0';
- p = url;
+ /* parse protocol */
+ if ((p = strchr(url, ':'))) {
+ av_strlcpy(proto, url, FFMIN(proto_size, p + 1 - url));
+ p++; /* skip ':' */
+ if (*p == '/') p++;
+ if (*p == '/') p++;
} else {
- char *at,*slash; // PETR: position of '@' character and '/' character
+ /* no protocol means plain filename */
+ av_strlcpy(path, url, path_size);
+ return;
+ }
- p++;
- if (*p == '/')
- p++;
- if (*p == '/')
- p++;
- at = strchr(p,'@'); // PETR: get the position of '@'
- slash = strchr(p,'/'); // PETR: get position of '/' - end of hostname
- if (at && slash && at > slash) at = NULL; // PETR: not interested in '@' behind '/'
-
- q = at ? authorization : hostname; // PETR: if '@' exists starting with auth.
-
- while ((at || *p != ':') && *p != '/' && *p != '?' && *p != '\0') { // PETR:
- if (*p == '@') { // PETR: passed '@'
- if (authorization_size > 0)
- *q = '\0';
- q = hostname;
- at = NULL;
- } else if (!at) { // PETR: hostname
- if ((q - hostname) < hostname_size - 1)
- *q++ = *p;
- } else {
- if ((q - authorization) < authorization_size - 1)
- *q++ = *p;
- }
- p++;
- }
- if (hostname_size > 0)
- *q = '\0';
- if (*p == ':') {
- p++;
- port = strtoul(p, (char **)&p, 10);
- }
+ /* separate path from hostname */
+ if ((ls = strchr(p, '/'))) {
+ if ((q = strchr(ls, '?')))
+ av_strlcpy(path, ls, FFMIN(path_size, q - ls + 1));
+ else
+ av_strlcpy(path, ls, path_size);
+ } else if (!(ls = strchr(p, '?')))
+ ls = &p[strlen(p)]; // XXX
+
+ /* the rest is hostname, use that to parse auth/port */
+ if (ls != p) {
+ /* authorization (user[:pass]@hostname) */
+ if ((at = strchr(p, '@')) && at < ls) {
+ av_strlcpy(authorization, p,
+ FFMIN(authorization_size, at + 1 - p));
+ p = at + 1; /* skip '@' */
+ }
+
+ if (*p == '[' && (brk = strchr(p, ']')) && brk < ls) {
+ /* [host]:port */
+ av_strlcpy(hostname, p + 1,
+ FFMIN(hostname_size, brk - p));
+ if (brk[1] == ':' && port_ptr)
+ *port_ptr = atoi(brk + 2);
+ } else if ((col = strchr(p, ':')) && col < ls) {
+ av_strlcpy(hostname, p,
+ FFMIN(col + 1 - p, hostname_size));
+ if (port_ptr) *port_ptr = atoi(col + 1);
+ } else
+ av_strlcpy(hostname, p,
+ FFMIN(ls + 1 - p, hostname_size));
}
- if (port_ptr)
- *port_ptr = port;
- av_strlcpy(path, p, path_size);
}
void av_set_pts_info(AVStream *s, int pts_wrap_bits,
projects / ffmpeg / blobdiff