#include "dash.h"
#define INITIAL_BUFFER_SIZE 32768
+#define MAX_BPRINT_READ_SIZE (UINT_MAX - 1)
+#define DEFAULT_MANIFEST_SIZE 8 * 1024
struct fragment {
int64_t url_offset;
AVIOContext *input;
AVFormatContext *parent;
AVFormatContext *ctx;
- AVPacket pkt;
- int rep_idx;
- int rep_count;
int stream_index;
- enum AVMediaType type;
- char id[20];
+ char *id;
+ char *lang;
int bandwidth;
AVRational framerate;
AVStream *assoc_stream; /* demuxer stream associated with this representation */
typedef struct DASHContext {
const AVClass *class;
char *base_url;
- char *adaptionset_contenttype_val;
- char *adaptionset_par_val;
- char *adaptionset_lang_val;
- char *adaptionset_minbw_val;
- char *adaptionset_maxbw_val;
- char *adaptionset_minwidth_val;
- char *adaptionset_maxwidth_val;
- char *adaptionset_minheight_val;
- char *adaptionset_maxheight_val;
- char *adaptionset_minframerate_val;
- char *adaptionset_maxframerate_val;
- char *adaptionset_segmentalignment_val;
- char *adaptionset_bitstreamswitching_val;
int n_videos;
struct representation **videos;
uint64_t period_duration;
uint64_t period_start;
+ /* AdaptationSet Attribute */
+ char *adaptionset_lang;
+
int is_live;
AVIOInterruptCB *interrupt_callback;
char *allowed_extensions;
/* Flags for init section*/
int is_init_section_common_video;
int is_init_section_common_audio;
+ int is_init_section_common_subtitle;
} DASHContext;
static int ishttp(char *url)
{
const char *proto_name = avio_find_protocol_name(url);
- return av_strstart(proto_name, "http", NULL);
+ return proto_name && av_strstart(proto_name, "http", NULL);
}
static int aligned(int val)
return 0; /* parser error */
}
switch (type) {
- case 'D':
- days = (uint32_t)value;
- break;
- case 'H':
- hours = (uint32_t)value;
- break;
- case 'M':
- mins = (uint32_t)value;
- break;
- case 'S':
- secs = (uint32_t)value;
- break;
- default:
- // handle invalid type
- break;
+ case 'D':
+ days = (uint32_t)value;
+ break;
+ case 'H':
+ hours = (uint32_t)value;
+ break;
+ case 'M':
+ mins = (uint32_t)value;
+ break;
+ case 'S':
+ secs = (uint32_t)value;
+ break;
+ default:
+ // handle invalid type
+ break;
}
ptr += size;
}
free_fragment(&pls->init_section);
av_freep(&pls->init_sec_buf);
av_freep(&pls->pb.buffer);
- if (pls->input)
- ff_format_io_close(pls->parent, &pls->input);
+ ff_format_io_close(pls->parent, &pls->input);
if (pls->ctx) {
pls->ctx->pb = NULL;
avformat_close_input(&pls->ctx);
}
av_freep(&pls->url_template);
+ av_freep(&pls->lang);
+ av_freep(&pls->id);
av_freep(&pls);
}
}
static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url,
- AVDictionary *opts, AVDictionary *opts2, int *is_http)
+ AVDictionary **opts, AVDictionary *opts2, int *is_http)
{
DASHContext *c = s->priv_data;
AVDictionary *tmp = NULL;
const char *proto_name = NULL;
int ret;
- av_dict_copy(&tmp, opts, 0);
- av_dict_copy(&tmp, opts2, 0);
-
if (av_strstart(url, "crypto", NULL)) {
if (url[6] == '+' || url[6] == ':')
proto_name = avio_find_protocol_name(url + 7);
return AVERROR_INVALIDDATA;
av_freep(pb);
+ av_dict_copy(&tmp, *opts, 0);
+ av_dict_copy(&tmp, opts2, 0);
ret = avio_open2(pb, url, AVIO_FLAG_READ, c->interrupt_callback, &tmp);
if (ret >= 0) {
// update cookies on http response with setcookies.
av_opt_get(*pb, "cookies", AV_OPT_SEARCH_CHILDREN, (uint8_t**)&new_cookies);
if (new_cookies) {
- av_dict_set(&opts, "cookies", new_cookies, AV_DICT_DONT_STRDUP_VAL);
+ av_dict_set(opts, "cookies", new_cookies, AV_DICT_DONT_STRDUP_VAL);
}
}
char *text;
char *url = NULL;
char *tmp_str = av_mallocz(max_url_size);
- char *tmp_str_2 = av_mallocz(max_url_size);
- if (!tmp_str || !tmp_str_2) {
+ if (!tmp_str)
return NULL;
- }
for (i = 0; i < n_baseurl_nodes; ++i) {
if (baseurl_nodes[i] &&
text = xmlNodeGetContent(baseurl_nodes[i]->children);
if (text) {
memset(tmp_str, 0, max_url_size);
- memset(tmp_str_2, 0, max_url_size);
- ff_make_absolute_url(tmp_str_2, max_url_size, tmp_str, text);
- av_strlcpy(tmp_str, tmp_str_2, max_url_size);
+ ff_make_absolute_url(tmp_str, max_url_size, "", text);
xmlFree(text);
}
}
ff_make_absolute_url(tmp_str, max_url_size, tmp_str, val);
if (rep_id_val) {
- url = av_strireplace(tmp_str, "$RepresentationID$", (const char*)rep_id_val);
+ url = av_strireplace(tmp_str, "$RepresentationID$", rep_id_val);
if (!url) {
goto end;
}
if (rep_bandwidth_val && tmp_str[0] != '\0') {
// free any previously assigned url before reassigning
av_free(url);
- url = av_strireplace(tmp_str, "$Bandwidth$", (const char*)rep_bandwidth_val);
+ url = av_strireplace(tmp_str, "$Bandwidth$", rep_bandwidth_val);
if (!url) {
goto end;
}
}
end:
av_free(tmp_str);
- av_free(tmp_str_2);
return url;
}
attr = i ? "mimeType" : "contentType";
val = xmlGetProp(node, attr);
if (val) {
- if (av_stristr((const char *)val, "video")) {
+ if (av_stristr(val, "video")) {
type = AVMEDIA_TYPE_VIDEO;
- } else if (av_stristr((const char *)val, "audio")) {
+ } else if (av_stristr(val, "audio")) {
type = AVMEDIA_TYPE_AUDIO;
- } else if (av_stristr((const char *)val, "text")) {
+ } else if (av_stristr(val, "text")) {
type = AVMEDIA_TYPE_SUBTITLE;
}
xmlFree(val);
char *str_end_offset;
char *str_offset = av_strtok(range, "-", &str_end_offset);
seg->url_offset = strtoll(str_offset, NULL, 10);
- seg->size = strtoll(str_end_offset, NULL, 10) - seg->url_offset;
+ seg->size = strtoll(str_end_offset, NULL, 10) - seg->url_offset + 1;
}
return seg;
char *media_val = NULL;
char *range_val = NULL;
int max_url_size = c ? c->max_url_size: MAX_URL_SIZE;
+ int err;
- if (!av_strcasecmp(fragmenturl_node->name, (const char *)"Initialization")) {
+ if (!av_strcasecmp(fragmenturl_node->name, "Initialization")) {
initialization_val = xmlGetProp(fragmenturl_node, "sourceURL");
range_val = xmlGetProp(fragmenturl_node, "range");
if (initialization_val || range_val) {
+ free_fragment(&rep->init_section);
rep->init_section = get_Fragment(range_val);
+ xmlFree(range_val);
if (!rep->init_section) {
xmlFree(initialization_val);
- xmlFree(range_val);
return AVERROR(ENOMEM);
}
rep->init_section->url = get_content_url(baseurl_nodes, 4,
rep_id_val,
rep_bandwidth_val,
initialization_val);
-
+ xmlFree(initialization_val);
if (!rep->init_section->url) {
- av_free(rep->init_section);
- xmlFree(initialization_val);
- xmlFree(range_val);
+ av_freep(&rep->init_section);
return AVERROR(ENOMEM);
}
- xmlFree(initialization_val);
- xmlFree(range_val);
}
- } else if (!av_strcasecmp(fragmenturl_node->name, (const char *)"SegmentURL")) {
+ } else if (!av_strcasecmp(fragmenturl_node->name, "SegmentURL")) {
media_val = xmlGetProp(fragmenturl_node, "media");
range_val = xmlGetProp(fragmenturl_node, "mediaRange");
if (media_val || range_val) {
struct fragment *seg = get_Fragment(range_val);
+ xmlFree(range_val);
if (!seg) {
xmlFree(media_val);
- xmlFree(range_val);
return AVERROR(ENOMEM);
}
seg->url = get_content_url(baseurl_nodes, 4,
rep_id_val,
rep_bandwidth_val,
media_val);
+ xmlFree(media_val);
if (!seg->url) {
av_free(seg);
- xmlFree(media_val);
- xmlFree(range_val);
return AVERROR(ENOMEM);
}
- dynarray_add(&rep->fragments, &rep->n_fragments, seg);
- xmlFree(media_val);
- xmlFree(range_val);
+ err = av_dynarray_add_nofree(&rep->fragments, &rep->n_fragments, seg);
+ if (err < 0) {
+ free_fragment(&seg);
+ return err;
+ }
}
}
{
xmlAttrPtr attr = NULL;
char *val = NULL;
+ int err;
- if (!av_strcasecmp(fragment_timeline_node->name, (const char *)"S")) {
+ if (!av_strcasecmp(fragment_timeline_node->name, "S")) {
struct timeline *tml = av_mallocz(sizeof(struct timeline));
if (!tml) {
return AVERROR(ENOMEM);
continue;
}
- if (!av_strcasecmp(attr->name, (const char *)"t")) {
+ if (!av_strcasecmp(attr->name, "t")) {
tml->starttime = (int64_t)strtoll(val, NULL, 10);
- } else if (!av_strcasecmp(attr->name, (const char *)"r")) {
+ } else if (!av_strcasecmp(attr->name, "r")) {
tml->repeat =(int64_t) strtoll(val, NULL, 10);
- } else if (!av_strcasecmp(attr->name, (const char *)"d")) {
+ } else if (!av_strcasecmp(attr->name, "d")) {
tml->duration = (int64_t)strtoll(val, NULL, 10);
}
attr = attr->next;
xmlFree(val);
}
- dynarray_add(&rep->timelines, &rep->n_timelines, tml);
+ err = av_dynarray_add_nofree(&rep->timelines, &rep->n_timelines, tml);
+ if (err < 0) {
+ av_free(tml);
+ return err;
+ }
}
return 0;
}
-static int resolve_content_path(AVFormatContext *s, const char *url, int *max_url_size, xmlNodePtr *baseurl_nodes, int n_baseurl_nodes) {
-
+static int resolve_content_path(AVFormatContext *s, const char *url, int *max_url_size, xmlNodePtr *baseurl_nodes, int n_baseurl_nodes)
+{
char *tmp_str = NULL;
char *path = NULL;
char *mpdName = NULL;
char *root_url = NULL;
char *text = NULL;
char *tmp = NULL;
-
int isRootHttp = 0;
char token ='/';
int start = 0;
size = strlen(root_url);
isRootHttp = ishttp(root_url);
- if (root_url[size - 1] != token) {
+ if (size > 0 && root_url[size - 1] != token) {
av_strlcat(root_url, "/", size + 2);
size += 2;
}
continue;
}
text = xmlNodeGetContent(baseurl_nodes[i]);
- if (text) {
+ if (text && !av_strstart(text, "/", NULL)) {
memset(tmp_str, 0, strlen(tmp_str));
if (!ishttp(text) && isRootHttp) {
av_strlcpy(tmp_str, root_url, size + 1);
}
start = (text[0] == token);
+ if (start && av_stristr(tmp_str, text)) {
+ char *p = tmp_str;
+ if (!av_strncasecmp(tmp_str, "http://", 7)) {
+ p += 7;
+ } else if (!av_strncasecmp(tmp_str, "https://", 8)) {
+ p += 8;
+ }
+ p = strchr(p, '/');
+ memset(p + 1, 0, strlen(p));
+ }
av_strlcat(tmp_str, text + start, tmp_max_url_size);
xmlNodeSetContent(baseurl_nodes[i], tmp_str);
updated = 1;
xmlNodePtr adaptionset_supplementalproperty_node)
{
int32_t ret = 0;
- int32_t subtitle_rep_idx = 0;
- int32_t audio_rep_idx = 0;
- int32_t video_rep_idx = 0;
DASHContext *c = s->priv_data;
struct representation *rep = NULL;
struct fragment *seg = NULL;
xmlNodePtr representation_segmenttemplate_node = NULL;
xmlNodePtr representation_baseurl_node = NULL;
xmlNodePtr representation_segmentlist_node = NULL;
- xmlNodePtr segmentlists_tab[2];
+ xmlNodePtr segmentlists_tab[3];
xmlNodePtr fragment_timeline_node = NULL;
xmlNodePtr fragment_templates_tab[5];
- char *duration_val = NULL;
- char *presentation_timeoffset_val = NULL;
- char *startnumber_val = NULL;
- char *timescale_val = NULL;
- char *initialization_val = NULL;
- char *media_val = NULL;
char *val = NULL;
xmlNodePtr baseurl_nodes[4];
xmlNodePtr representation_node = node;
- char *rep_id_val = xmlGetProp(representation_node, "id");
- char *rep_bandwidth_val = xmlGetProp(representation_node, "bandwidth");
- char *rep_framerate_val = xmlGetProp(representation_node, "frameRate");
+ char *rep_bandwidth_val;
enum AVMediaType type = AVMEDIA_TYPE_UNKNOWN;
// try get information from representation
// try get information from adaption set
if (type == AVMEDIA_TYPE_UNKNOWN)
type = get_content_type(adaptionset_node);
- if (type == AVMEDIA_TYPE_UNKNOWN) {
+ if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO &&
+ type != AVMEDIA_TYPE_SUBTITLE) {
av_log(s, AV_LOG_VERBOSE, "Parsing '%s' - skipp not supported representation type\n", url);
- } else if (type == AVMEDIA_TYPE_VIDEO || type == AVMEDIA_TYPE_AUDIO || type == AVMEDIA_TYPE_SUBTITLE) {
- // convert selected representation to our internal struct
- rep = av_mallocz(sizeof(struct representation));
- if (!rep) {
- ret = AVERROR(ENOMEM);
- goto end;
- }
- representation_segmenttemplate_node = find_child_node_by_name(representation_node, "SegmentTemplate");
- representation_baseurl_node = find_child_node_by_name(representation_node, "BaseURL");
- representation_segmentlist_node = find_child_node_by_name(representation_node, "SegmentList");
-
- baseurl_nodes[0] = mpd_baseurl_node;
- baseurl_nodes[1] = period_baseurl_node;
- baseurl_nodes[2] = adaptionset_baseurl_node;
- baseurl_nodes[3] = representation_baseurl_node;
+ return 0;
+ }
- ret = resolve_content_path(s, url, &c->max_url_size, baseurl_nodes, 4);
- c->max_url_size = aligned(c->max_url_size
- + (rep_id_val ? strlen(rep_id_val) : 0)
- + (rep_bandwidth_val ? strlen(rep_bandwidth_val) : 0));
- if (ret == AVERROR(ENOMEM) || ret == 0) {
- goto end;
+ // convert selected representation to our internal struct
+ rep = av_mallocz(sizeof(struct representation));
+ if (!rep)
+ return AVERROR(ENOMEM);
+ if (c->adaptionset_lang) {
+ rep->lang = av_strdup(c->adaptionset_lang);
+ if (!rep->lang) {
+ av_log(s, AV_LOG_ERROR, "alloc language memory failure\n");
+ av_freep(&rep);
+ return AVERROR(ENOMEM);
}
- if (representation_segmenttemplate_node || fragment_template_node || period_segmenttemplate_node) {
- fragment_timeline_node = NULL;
- fragment_templates_tab[0] = representation_segmenttemplate_node;
- fragment_templates_tab[1] = adaptionset_segmentlist_node;
- fragment_templates_tab[2] = fragment_template_node;
- fragment_templates_tab[3] = period_segmenttemplate_node;
- fragment_templates_tab[4] = period_segmentlist_node;
-
- presentation_timeoffset_val = get_val_from_nodes_tab(fragment_templates_tab, 4, "presentationTimeOffset");
- duration_val = get_val_from_nodes_tab(fragment_templates_tab, 4, "duration");
- startnumber_val = get_val_from_nodes_tab(fragment_templates_tab, 4, "startNumber");
- timescale_val = get_val_from_nodes_tab(fragment_templates_tab, 4, "timescale");
- initialization_val = get_val_from_nodes_tab(fragment_templates_tab, 4, "initialization");
- media_val = get_val_from_nodes_tab(fragment_templates_tab, 4, "media");
-
- if (initialization_val) {
- rep->init_section = av_mallocz(sizeof(struct fragment));
- if (!rep->init_section) {
- av_free(rep);
- ret = AVERROR(ENOMEM);
- goto end;
- }
- c->max_url_size = aligned(c->max_url_size + strlen(initialization_val));
- rep->init_section->url = get_content_url(baseurl_nodes, 4, c->max_url_size, rep_id_val, rep_bandwidth_val, initialization_val);
- if (!rep->init_section->url) {
- av_free(rep->init_section);
- av_free(rep);
- ret = AVERROR(ENOMEM);
- goto end;
- }
- rep->init_section->size = -1;
- xmlFree(initialization_val);
- }
-
- if (media_val) {
- c->max_url_size = aligned(c->max_url_size + strlen(media_val));
- rep->url_template = get_content_url(baseurl_nodes, 4, c->max_url_size, rep_id_val, rep_bandwidth_val, media_val);
- xmlFree(media_val);
- }
-
- if (presentation_timeoffset_val) {
- rep->presentation_timeoffset = (int64_t) strtoll(presentation_timeoffset_val, NULL, 10);
- av_log(s, AV_LOG_TRACE, "rep->presentation_timeoffset = [%"PRId64"]\n", rep->presentation_timeoffset);
- xmlFree(presentation_timeoffset_val);
- }
- if (duration_val) {
- rep->fragment_duration = (int64_t) strtoll(duration_val, NULL, 10);
- av_log(s, AV_LOG_TRACE, "rep->fragment_duration = [%"PRId64"]\n", rep->fragment_duration);
- xmlFree(duration_val);
- }
- if (timescale_val) {
- rep->fragment_timescale = (int64_t) strtoll(timescale_val, NULL, 10);
- av_log(s, AV_LOG_TRACE, "rep->fragment_timescale = [%"PRId64"]\n", rep->fragment_timescale);
- xmlFree(timescale_val);
- }
- if (startnumber_val) {
- rep->first_seq_no = (int64_t) strtoll(startnumber_val, NULL, 10);
- av_log(s, AV_LOG_TRACE, "rep->first_seq_no = [%"PRId64"]\n", rep->first_seq_no);
- xmlFree(startnumber_val);
+ }
+ rep->parent = s;
+ representation_segmenttemplate_node = find_child_node_by_name(representation_node, "SegmentTemplate");
+ representation_baseurl_node = find_child_node_by_name(representation_node, "BaseURL");
+ representation_segmentlist_node = find_child_node_by_name(representation_node, "SegmentList");
+ rep_bandwidth_val = xmlGetProp(representation_node, "bandwidth");
+ val = xmlGetProp(representation_node, "id");
+ if (val) {
+ rep->id = av_strdup(val);
+ xmlFree(val);
+ if (!rep->id)
+ goto enomem;
+ }
+
+ baseurl_nodes[0] = mpd_baseurl_node;
+ baseurl_nodes[1] = period_baseurl_node;
+ baseurl_nodes[2] = adaptionset_baseurl_node;
+ baseurl_nodes[3] = representation_baseurl_node;
+
+ ret = resolve_content_path(s, url, &c->max_url_size, baseurl_nodes, 4);
+ c->max_url_size = aligned(c->max_url_size
+ + (rep->id ? strlen(rep->id) : 0)
+ + (rep_bandwidth_val ? strlen(rep_bandwidth_val) : 0));
+ if (ret == AVERROR(ENOMEM) || ret == 0)
+ goto free;
+ if (representation_segmenttemplate_node || fragment_template_node || period_segmenttemplate_node) {
+ fragment_timeline_node = NULL;
+ fragment_templates_tab[0] = representation_segmenttemplate_node;
+ fragment_templates_tab[1] = adaptionset_segmentlist_node;
+ fragment_templates_tab[2] = fragment_template_node;
+ fragment_templates_tab[3] = period_segmenttemplate_node;
+ fragment_templates_tab[4] = period_segmentlist_node;
+
+ val = get_val_from_nodes_tab(fragment_templates_tab, 4, "initialization");
+ if (val) {
+ rep->init_section = av_mallocz(sizeof(struct fragment));
+ if (!rep->init_section) {
+ xmlFree(val);
+ goto enomem;
}
- if (adaptionset_supplementalproperty_node) {
- if (!av_strcasecmp(xmlGetProp(adaptionset_supplementalproperty_node,"schemeIdUri"), "http://dashif.org/guidelines/last-segment-number")) {
- val = xmlGetProp(adaptionset_supplementalproperty_node,"value");
- if (!val) {
- av_log(s, AV_LOG_ERROR, "Missing value attribute in adaptionset_supplementalproperty_node\n");
- } else {
- rep->last_seq_no =(int64_t) strtoll(val, NULL, 10) - 1;
- xmlFree(val);
- }
+ c->max_url_size = aligned(c->max_url_size + strlen(val));
+ rep->init_section->url = get_content_url(baseurl_nodes, 4,
+ c->max_url_size, rep->id,
+ rep_bandwidth_val, val);
+ xmlFree(val);
+ if (!rep->init_section->url)
+ goto enomem;
+ rep->init_section->size = -1;
+ }
+ val = get_val_from_nodes_tab(fragment_templates_tab, 4, "media");
+ if (val) {
+ c->max_url_size = aligned(c->max_url_size + strlen(val));
+ rep->url_template = get_content_url(baseurl_nodes, 4,
+ c->max_url_size, rep->id,
+ rep_bandwidth_val, val);
+ xmlFree(val);
+ }
+ val = get_val_from_nodes_tab(fragment_templates_tab, 4, "presentationTimeOffset");
+ if (val) {
+ rep->presentation_timeoffset = (int64_t) strtoll(val, NULL, 10);
+ av_log(s, AV_LOG_TRACE, "rep->presentation_timeoffset = [%"PRId64"]\n", rep->presentation_timeoffset);
+ xmlFree(val);
+ }
+ val = get_val_from_nodes_tab(fragment_templates_tab, 4, "duration");
+ if (val) {
+ rep->fragment_duration = (int64_t) strtoll(val, NULL, 10);
+ av_log(s, AV_LOG_TRACE, "rep->fragment_duration = [%"PRId64"]\n", rep->fragment_duration);
+ xmlFree(val);
+ }
+ val = get_val_from_nodes_tab(fragment_templates_tab, 4, "timescale");
+ if (val) {
+ rep->fragment_timescale = (int64_t) strtoll(val, NULL, 10);
+ av_log(s, AV_LOG_TRACE, "rep->fragment_timescale = [%"PRId64"]\n", rep->fragment_timescale);
+ xmlFree(val);
+ }
+ val = get_val_from_nodes_tab(fragment_templates_tab, 4, "startNumber");
+ if (val) {
+ rep->start_number = rep->first_seq_no = (int64_t) strtoll(val, NULL, 10);
+ av_log(s, AV_LOG_TRACE, "rep->first_seq_no = [%"PRId64"]\n", rep->first_seq_no);
+ xmlFree(val);
+ }
+ if (adaptionset_supplementalproperty_node) {
+ if (!av_strcasecmp(xmlGetProp(adaptionset_supplementalproperty_node,"schemeIdUri"), "http://dashif.org/guidelines/last-segment-number")) {
+ val = xmlGetProp(adaptionset_supplementalproperty_node,"value");
+ if (!val) {
+ av_log(s, AV_LOG_ERROR, "Missing value attribute in adaptionset_supplementalproperty_node\n");
+ } else {
+ rep->last_seq_no =(int64_t) strtoll(val, NULL, 10) - 1;
+ xmlFree(val);
}
}
+ }
- fragment_timeline_node = find_child_node_by_name(representation_segmenttemplate_node, "SegmentTimeline");
-
- if (!fragment_timeline_node)
- fragment_timeline_node = find_child_node_by_name(fragment_template_node, "SegmentTimeline");
- if (!fragment_timeline_node)
- fragment_timeline_node = find_child_node_by_name(adaptionset_segmentlist_node, "SegmentTimeline");
- if (!fragment_timeline_node)
- fragment_timeline_node = find_child_node_by_name(period_segmentlist_node, "SegmentTimeline");
- if (fragment_timeline_node) {
- fragment_timeline_node = xmlFirstElementChild(fragment_timeline_node);
- while (fragment_timeline_node) {
- ret = parse_manifest_segmenttimeline(s, rep, fragment_timeline_node);
- if (ret < 0) {
- return ret;
- }
- fragment_timeline_node = xmlNextElementSibling(fragment_timeline_node);
- }
- }
- } else if (representation_baseurl_node && !representation_segmentlist_node) {
- seg = av_mallocz(sizeof(struct fragment));
- if (!seg) {
- ret = AVERROR(ENOMEM);
- goto end;
- }
- seg->url = get_content_url(baseurl_nodes, 4, c->max_url_size, rep_id_val, rep_bandwidth_val, NULL);
- if (!seg->url) {
- av_free(seg);
- ret = AVERROR(ENOMEM);
- goto end;
- }
- seg->size = -1;
- dynarray_add(&rep->fragments, &rep->n_fragments, seg);
- } else if (representation_segmentlist_node) {
- // TODO: https://www.brendanlong.com/the-structure-of-an-mpeg-dash-mpd.html
- // http://www-itec.uni-klu.ac.at/dash/ddash/mpdGenerator.php?fragmentlength=15&type=full
- xmlNodePtr fragmenturl_node = NULL;
- segmentlists_tab[0] = representation_segmentlist_node;
- segmentlists_tab[1] = adaptionset_segmentlist_node;
-
- duration_val = get_val_from_nodes_tab(segmentlists_tab, 2, "duration");
- timescale_val = get_val_from_nodes_tab(segmentlists_tab, 2, "timescale");
- if (duration_val) {
- rep->fragment_duration = (int64_t) strtoll(duration_val, NULL, 10);
- av_log(s, AV_LOG_TRACE, "rep->fragment_duration = [%"PRId64"]\n", rep->fragment_duration);
- xmlFree(duration_val);
- }
- if (timescale_val) {
- rep->fragment_timescale = (int64_t) strtoll(timescale_val, NULL, 10);
- av_log(s, AV_LOG_TRACE, "rep->fragment_timescale = [%"PRId64"]\n", rep->fragment_timescale);
- xmlFree(timescale_val);
- }
- fragmenturl_node = xmlFirstElementChild(representation_segmentlist_node);
- while (fragmenturl_node) {
- ret = parse_manifest_segmenturlnode(s, rep, fragmenturl_node,
- baseurl_nodes,
- rep_id_val,
- rep_bandwidth_val);
- if (ret < 0) {
- return ret;
- }
- fragmenturl_node = xmlNextElementSibling(fragmenturl_node);
- }
+ fragment_timeline_node = find_child_node_by_name(representation_segmenttemplate_node, "SegmentTimeline");
- fragment_timeline_node = find_child_node_by_name(representation_segmenttemplate_node, "SegmentTimeline");
-
- if (!fragment_timeline_node)
- fragment_timeline_node = find_child_node_by_name(fragment_template_node, "SegmentTimeline");
- if (!fragment_timeline_node)
- fragment_timeline_node = find_child_node_by_name(adaptionset_segmentlist_node, "SegmentTimeline");
- if (!fragment_timeline_node)
- fragment_timeline_node = find_child_node_by_name(period_segmentlist_node, "SegmentTimeline");
- if (fragment_timeline_node) {
- fragment_timeline_node = xmlFirstElementChild(fragment_timeline_node);
- while (fragment_timeline_node) {
- ret = parse_manifest_segmenttimeline(s, rep, fragment_timeline_node);
- if (ret < 0) {
- return ret;
- }
- fragment_timeline_node = xmlNextElementSibling(fragment_timeline_node);
- }
- }
- } else {
- free_representation(rep);
- rep = NULL;
- av_log(s, AV_LOG_ERROR, "Unknown format of Representation node id[%s] \n", (const char *)rep_id_val);
- }
-
- if (rep) {
- if (rep->fragment_duration > 0 && !rep->fragment_timescale)
- rep->fragment_timescale = 1;
- rep->bandwidth = rep_bandwidth_val ? atoi(rep_bandwidth_val) : 0;
- strncpy(rep->id, rep_id_val ? rep_id_val : "", sizeof(rep->id));
- rep->framerate = av_make_q(0, 0);
- if (type == AVMEDIA_TYPE_VIDEO && rep_framerate_val) {
- ret = av_parse_video_rate(&rep->framerate, rep_framerate_val);
+ if (!fragment_timeline_node)
+ fragment_timeline_node = find_child_node_by_name(fragment_template_node, "SegmentTimeline");
+ if (!fragment_timeline_node)
+ fragment_timeline_node = find_child_node_by_name(adaptionset_segmentlist_node, "SegmentTimeline");
+ if (!fragment_timeline_node)
+ fragment_timeline_node = find_child_node_by_name(period_segmentlist_node, "SegmentTimeline");
+ if (fragment_timeline_node) {
+ fragment_timeline_node = xmlFirstElementChild(fragment_timeline_node);
+ while (fragment_timeline_node) {
+ ret = parse_manifest_segmenttimeline(s, rep, fragment_timeline_node);
if (ret < 0)
- av_log(s, AV_LOG_VERBOSE, "Ignoring invalid frame rate '%s'\n", rep_framerate_val);
+ goto free;
+ fragment_timeline_node = xmlNextElementSibling(fragment_timeline_node);
}
+ }
+ } else if (representation_baseurl_node && !representation_segmentlist_node) {
+ seg = av_mallocz(sizeof(struct fragment));
+ if (!seg)
+ goto enomem;
+ ret = av_dynarray_add_nofree(&rep->fragments, &rep->n_fragments, seg);
+ if (ret < 0) {
+ av_free(seg);
+ goto free;
+ }
+ seg->url = get_content_url(baseurl_nodes, 4, c->max_url_size,
+ rep->id, rep_bandwidth_val, NULL);
+ if (!seg->url)
+ goto enomem;
+ seg->size = -1;
+ } else if (representation_segmentlist_node) {
+ // TODO: https://www.brendanlong.com/the-structure-of-an-mpeg-dash-mpd.html
+ // http://www-itec.uni-klu.ac.at/dash/ddash/mpdGenerator.php?fragmentlength=15&type=full
+ xmlNodePtr fragmenturl_node = NULL;
+ segmentlists_tab[0] = representation_segmentlist_node;
+ segmentlists_tab[1] = adaptionset_segmentlist_node;
+ segmentlists_tab[2] = period_segmentlist_node;
+
+ val = get_val_from_nodes_tab(segmentlists_tab, 3, "duration");
+ if (val) {
+ rep->fragment_duration = (int64_t) strtoll(val, NULL, 10);
+ av_log(s, AV_LOG_TRACE, "rep->fragment_duration = [%"PRId64"]\n", rep->fragment_duration);
+ xmlFree(val);
+ }
+ val = get_val_from_nodes_tab(segmentlists_tab, 3, "timescale");
+ if (val) {
+ rep->fragment_timescale = (int64_t) strtoll(val, NULL, 10);
+ av_log(s, AV_LOG_TRACE, "rep->fragment_timescale = [%"PRId64"]\n", rep->fragment_timescale);
+ xmlFree(val);
+ }
+ val = get_val_from_nodes_tab(segmentlists_tab, 3, "startNumber");
+ if (val) {
+ rep->start_number = rep->first_seq_no = (int64_t) strtoll(val, NULL, 10);
+ av_log(s, AV_LOG_TRACE, "rep->first_seq_no = [%"PRId64"]\n", rep->first_seq_no);
+ xmlFree(val);
+ }
- switch (type) {
- case AVMEDIA_TYPE_VIDEO:
- rep->rep_idx = video_rep_idx;
- dynarray_add(&c->videos, &c->n_videos, rep);
- break;
- case AVMEDIA_TYPE_AUDIO:
- rep->rep_idx = audio_rep_idx;
- dynarray_add(&c->audios, &c->n_audios, rep);
- break;
- case AVMEDIA_TYPE_SUBTITLE:
- rep->rep_idx = subtitle_rep_idx;
- dynarray_add(&c->subtitles, &c->n_subtitles, rep);
- break;
- default:
- av_log(s, AV_LOG_WARNING, "Unsupported the stream type %d\n", type);
- break;
+ fragmenturl_node = xmlFirstElementChild(representation_segmentlist_node);
+ while (fragmenturl_node) {
+ ret = parse_manifest_segmenturlnode(s, rep, fragmenturl_node,
+ baseurl_nodes, rep->id,
+ rep_bandwidth_val);
+ if (ret < 0)
+ goto free;
+ fragmenturl_node = xmlNextElementSibling(fragmenturl_node);
+ }
+
+ fragment_timeline_node = find_child_node_by_name(adaptionset_segmentlist_node, "SegmentTimeline");
+ if (!fragment_timeline_node)
+ fragment_timeline_node = find_child_node_by_name(period_segmentlist_node, "SegmentTimeline");
+ if (fragment_timeline_node) {
+ fragment_timeline_node = xmlFirstElementChild(fragment_timeline_node);
+ while (fragment_timeline_node) {
+ ret = parse_manifest_segmenttimeline(s, rep, fragment_timeline_node);
+ if (ret < 0)
+ goto free;
+ fragment_timeline_node = xmlNextElementSibling(fragment_timeline_node);
}
}
+ } else {
+ av_log(s, AV_LOG_ERROR, "Unknown format of Representation node id '%s' \n",
+ rep->id ? rep->id : "");
+ goto free;
+ }
+
+ if (rep->fragment_duration > 0 && !rep->fragment_timescale)
+ rep->fragment_timescale = 1;
+ rep->bandwidth = rep_bandwidth_val ? atoi(rep_bandwidth_val) : 0;
+ rep->framerate = av_make_q(0, 0);
+ if (type == AVMEDIA_TYPE_VIDEO) {
+ char *rep_framerate_val = xmlGetProp(representation_node, "frameRate");
+ if (rep_framerate_val) {
+ ret = av_parse_video_rate(&rep->framerate, rep_framerate_val);
+ if (ret < 0)
+ av_log(s, AV_LOG_VERBOSE, "Ignoring invalid frame rate '%s'\n", rep_framerate_val);
+ xmlFree(rep_framerate_val);
+ }
}
- video_rep_idx += type == AVMEDIA_TYPE_VIDEO;
- audio_rep_idx += type == AVMEDIA_TYPE_AUDIO;
- subtitle_rep_idx += type == AVMEDIA_TYPE_SUBTITLE;
+ switch (type) {
+ case AVMEDIA_TYPE_VIDEO:
+ ret = av_dynarray_add_nofree(&c->videos, &c->n_videos, rep);
+ break;
+ case AVMEDIA_TYPE_AUDIO:
+ ret = av_dynarray_add_nofree(&c->audios, &c->n_audios, rep);
+ break;
+ case AVMEDIA_TYPE_SUBTITLE:
+ ret = av_dynarray_add_nofree(&c->subtitles, &c->n_subtitles, rep);
+ break;
+ }
+ if (ret < 0)
+ goto free;
end:
- if (rep_id_val)
- xmlFree(rep_id_val);
if (rep_bandwidth_val)
xmlFree(rep_bandwidth_val);
- if (rep_framerate_val)
- xmlFree(rep_framerate_val);
return ret;
+enomem:
+ ret = AVERROR(ENOMEM);
+free:
+ free_representation(rep);
+ goto end;
+}
+
+static int parse_manifest_adaptationset_attr(AVFormatContext *s, xmlNodePtr adaptionset_node)
+{
+ DASHContext *c = s->priv_data;
+
+ if (!adaptionset_node) {
+ av_log(s, AV_LOG_WARNING, "Cannot get AdaptionSet\n");
+ return AVERROR(EINVAL);
+ }
+ c->adaptionset_lang = xmlGetProp(adaptionset_node, "lang");
+
+ return 0;
}
static int parse_manifest_adaptationset(AVFormatContext *s, const char *url,
xmlNodePtr adaptionset_segmentlist_node = NULL;
xmlNodePtr adaptionset_supplementalproperty_node = NULL;
xmlNodePtr node = NULL;
- c->adaptionset_contenttype_val = xmlGetProp(adaptionset_node, "contentType");
- c->adaptionset_par_val = xmlGetProp(adaptionset_node, "par");
- c->adaptionset_lang_val = xmlGetProp(adaptionset_node, "lang");
- c->adaptionset_minbw_val = xmlGetProp(adaptionset_node, "minBandwidth");
- c->adaptionset_maxbw_val = xmlGetProp(adaptionset_node, "maxBandwidth");
- c->adaptionset_minwidth_val = xmlGetProp(adaptionset_node, "minWidth");
- c->adaptionset_maxwidth_val = xmlGetProp(adaptionset_node, "maxWidth");
- c->adaptionset_minheight_val = xmlGetProp(adaptionset_node, "minHeight");
- c->adaptionset_maxheight_val = xmlGetProp(adaptionset_node, "maxHeight");
- c->adaptionset_minframerate_val = xmlGetProp(adaptionset_node, "minFrameRate");
- c->adaptionset_maxframerate_val = xmlGetProp(adaptionset_node, "maxFrameRate");
- c->adaptionset_segmentalignment_val = xmlGetProp(adaptionset_node, "segmentAlignment");
- c->adaptionset_bitstreamswitching_val = xmlGetProp(adaptionset_node, "bitstreamSwitching");
+
+ ret = parse_manifest_adaptationset_attr(s, adaptionset_node);
+ if (ret < 0)
+ return ret;
node = xmlFirstElementChild(adaptionset_node);
while (node) {
- if (!av_strcasecmp(node->name, (const char *)"SegmentTemplate")) {
+ if (!av_strcasecmp(node->name, "SegmentTemplate")) {
fragment_template_node = node;
- } else if (!av_strcasecmp(node->name, (const char *)"ContentComponent")) {
+ } else if (!av_strcasecmp(node->name, "ContentComponent")) {
content_component_node = node;
- } else if (!av_strcasecmp(node->name, (const char *)"BaseURL")) {
+ } else if (!av_strcasecmp(node->name, "BaseURL")) {
adaptionset_baseurl_node = node;
- } else if (!av_strcasecmp(node->name, (const char *)"SegmentList")) {
+ } else if (!av_strcasecmp(node->name, "SegmentList")) {
adaptionset_segmentlist_node = node;
- } else if (!av_strcasecmp(node->name, (const char *)"SupplementalProperty")) {
+ } else if (!av_strcasecmp(node->name, "SupplementalProperty")) {
adaptionset_supplementalproperty_node = node;
- } else if (!av_strcasecmp(node->name, (const char *)"Representation")) {
+ } else if (!av_strcasecmp(node->name, "Representation")) {
ret = parse_manifest_representation(s, url, node,
adaptionset_node,
mpd_baseurl_node,
adaptionset_baseurl_node,
adaptionset_segmentlist_node,
adaptionset_supplementalproperty_node);
- if (ret < 0) {
- return ret;
- }
+ if (ret < 0)
+ goto err;
}
node = xmlNextElementSibling(node);
}
- return 0;
+
+err:
+ xmlFree(c->adaptionset_lang);
+ c->adaptionset_lang = NULL;
+ return ret;
}
static int parse_programinformation(AVFormatContext *s, xmlNodePtr node)
}
node = xmlNextElementSibling(node);
xmlFree(val);
+ val = NULL;
}
return 0;
}
DASHContext *c = s->priv_data;
int ret = 0;
int close_in = 0;
- uint8_t *new_url = NULL;
int64_t filesize = 0;
- char *buffer = NULL;
+ AVBPrint buf;
AVDictionary *opts = NULL;
xmlDoc *doc = NULL;
xmlNodePtr root_element = NULL;
return ret;
}
- if (av_opt_get(in, "location", AV_OPT_SEARCH_CHILDREN, &new_url) >= 0) {
- c->base_url = av_strdup(new_url);
- } else {
+ if (av_opt_get(in, "location", AV_OPT_SEARCH_CHILDREN, (uint8_t**)&c->base_url) < 0)
c->base_url = av_strdup(url);
- }
filesize = avio_size(in);
- if (filesize <= 0) {
- filesize = 8 * 1024;
- }
+ filesize = filesize > 0 ? filesize : DEFAULT_MANIFEST_SIZE;
- buffer = av_mallocz(filesize);
- if (!buffer) {
- av_free(c->base_url);
- return AVERROR(ENOMEM);
+ if (filesize > MAX_BPRINT_READ_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Manifest too large: %"PRId64"\n", filesize);
+ return AVERROR_INVALIDDATA;
}
- filesize = avio_read(in, buffer, filesize);
- if (filesize <= 0) {
- av_log(s, AV_LOG_ERROR, "Unable to read to offset '%s'\n", url);
- ret = AVERROR_INVALIDDATA;
+ av_bprint_init(&buf, filesize + 1, AV_BPRINT_SIZE_UNLIMITED);
+
+ if ((ret = avio_read_to_bprint(in, &buf, MAX_BPRINT_READ_SIZE)) < 0 ||
+ !avio_feof(in) ||
+ (filesize = buf.len) == 0) {
+ av_log(s, AV_LOG_ERROR, "Unable to read to manifest '%s'\n", url);
+ if (ret == 0)
+ ret = AVERROR_INVALIDDATA;
} else {
LIBXML_TEST_VERSION
- doc = xmlReadMemory(buffer, filesize, c->base_url, NULL, 0);
+ doc = xmlReadMemory(buf.str, filesize, c->base_url, NULL, 0);
root_element = xmlDocGetRootElement(doc);
node = root_element;
}
if (node->type != XML_ELEMENT_NODE ||
- av_strcasecmp(node->name, (const char *)"MPD")) {
+ av_strcasecmp(node->name, "MPD")) {
ret = AVERROR_INVALIDDATA;
av_log(s, AV_LOG_ERROR, "Unable to parse '%s' - wrong root node name[%s] type[%d]\n", url, node->name, (int)node->type);
goto cleanup;
ret = AVERROR_INVALIDDATA;
goto cleanup;
}
- if (!av_strcasecmp(val, (const char *)"dynamic"))
+ if (!av_strcasecmp(val, "dynamic"))
c->is_live = 1;
xmlFree(val);
while (attr) {
val = xmlGetProp(node, attr->name);
- if (!av_strcasecmp(attr->name, (const char *)"availabilityStartTime")) {
- c->availability_start_time = get_utc_date_time_insec(s, (const char *)val);
+ if (!av_strcasecmp(attr->name, "availabilityStartTime")) {
+ c->availability_start_time = get_utc_date_time_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->availability_start_time = [%"PRId64"]\n", c->availability_start_time);
- } else if (!av_strcasecmp(attr->name, (const char *)"availabilityEndTime")) {
- c->availability_end_time = get_utc_date_time_insec(s, (const char *)val);
+ } else if (!av_strcasecmp(attr->name, "availabilityEndTime")) {
+ c->availability_end_time = get_utc_date_time_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->availability_end_time = [%"PRId64"]\n", c->availability_end_time);
- } else if (!av_strcasecmp(attr->name, (const char *)"publishTime")) {
- c->publish_time = get_utc_date_time_insec(s, (const char *)val);
+ } else if (!av_strcasecmp(attr->name, "publishTime")) {
+ c->publish_time = get_utc_date_time_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->publish_time = [%"PRId64"]\n", c->publish_time);
- } else if (!av_strcasecmp(attr->name, (const char *)"minimumUpdatePeriod")) {
- c->minimum_update_period = get_duration_insec(s, (const char *)val);
+ } else if (!av_strcasecmp(attr->name, "minimumUpdatePeriod")) {
+ c->minimum_update_period = get_duration_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->minimum_update_period = [%"PRId64"]\n", c->minimum_update_period);
- } else if (!av_strcasecmp(attr->name, (const char *)"timeShiftBufferDepth")) {
- c->time_shift_buffer_depth = get_duration_insec(s, (const char *)val);
+ } else if (!av_strcasecmp(attr->name, "timeShiftBufferDepth")) {
+ c->time_shift_buffer_depth = get_duration_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->time_shift_buffer_depth = [%"PRId64"]\n", c->time_shift_buffer_depth);
- } else if (!av_strcasecmp(attr->name, (const char *)"minBufferTime")) {
- c->min_buffer_time = get_duration_insec(s, (const char *)val);
+ } else if (!av_strcasecmp(attr->name, "minBufferTime")) {
+ c->min_buffer_time = get_duration_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->min_buffer_time = [%"PRId64"]\n", c->min_buffer_time);
- } else if (!av_strcasecmp(attr->name, (const char *)"suggestedPresentationDelay")) {
- c->suggested_presentation_delay = get_duration_insec(s, (const char *)val);
+ } else if (!av_strcasecmp(attr->name, "suggestedPresentationDelay")) {
+ c->suggested_presentation_delay = get_duration_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->suggested_presentation_delay = [%"PRId64"]\n", c->suggested_presentation_delay);
- } else if (!av_strcasecmp(attr->name, (const char *)"mediaPresentationDuration")) {
- c->media_presentation_duration = get_duration_insec(s, (const char *)val);
+ } else if (!av_strcasecmp(attr->name, "mediaPresentationDuration")) {
+ c->media_presentation_duration = get_duration_insec(s, val);
av_log(s, AV_LOG_TRACE, "c->media_presentation_duration = [%"PRId64"]\n", c->media_presentation_duration);
}
attr = attr->next;
// at now we can handle only one period, with the longest duration
node = xmlFirstElementChild(node);
while (node) {
- if (!av_strcasecmp(node->name, (const char *)"Period")) {
+ if (!av_strcasecmp(node->name, "Period")) {
period_duration_sec = 0;
period_start_sec = 0;
attr = node->properties;
while (attr) {
val = xmlGetProp(node, attr->name);
- if (!av_strcasecmp(attr->name, (const char *)"duration")) {
- period_duration_sec = get_duration_insec(s, (const char *)val);
- } else if (!av_strcasecmp(attr->name, (const char *)"start")) {
- period_start_sec = get_duration_insec(s, (const char *)val);
+ if (!av_strcasecmp(attr->name, "duration")) {
+ period_duration_sec = get_duration_insec(s, val);
+ } else if (!av_strcasecmp(attr->name, "start")) {
+ period_start_sec = get_duration_insec(s, val);
}
attr = attr->next;
xmlFree(val);
adaptionset_node = xmlFirstElementChild(period_node);
while (adaptionset_node) {
- if (!av_strcasecmp(adaptionset_node->name, (const char *)"BaseURL")) {
+ if (!av_strcasecmp(adaptionset_node->name, "BaseURL")) {
period_baseurl_node = adaptionset_node;
- } else if (!av_strcasecmp(adaptionset_node->name, (const char *)"SegmentTemplate")) {
+ } else if (!av_strcasecmp(adaptionset_node->name, "SegmentTemplate")) {
period_segmenttemplate_node = adaptionset_node;
- } else if (!av_strcasecmp(adaptionset_node->name, (const char *)"SegmentList")) {
+ } else if (!av_strcasecmp(adaptionset_node->name, "SegmentList")) {
period_segmentlist_node = adaptionset_node;
- } else if (!av_strcasecmp(adaptionset_node->name, (const char *)"AdaptationSet")) {
+ } else if (!av_strcasecmp(adaptionset_node->name, "AdaptationSet")) {
parse_manifest_adaptationset(s, url, adaptionset_node, mpd_baseurl_node, period_baseurl_node, period_segmenttemplate_node, period_segmentlist_node);
}
adaptionset_node = xmlNextElementSibling(adaptionset_node);
xmlFreeNode(mpd_baseurl_node);
}
- av_free(new_url);
- av_free(buffer);
+ av_bprint_finalize(&buf, NULL);
if (close_in) {
avio_close(in);
}
} else if (c->is_live && pls->fragment_duration) {
num = pls->first_seq_no + (((get_current_time_in_sec() - c->availability_start_time)) * pls->fragment_timescale) / pls->fragment_duration;
} else if (pls->fragment_duration) {
- num = pls->first_seq_no + (c->media_presentation_duration * pls->fragment_timescale) / pls->fragment_duration;
+ num = pls->first_seq_no + av_rescale_rnd(1, c->media_presentation_duration * pls->fragment_timescale, pls->fragment_duration, AV_ROUND_UP);
}
return num;
static int refresh_manifest(AVFormatContext *s)
{
-
int ret = 0, i;
DASHContext *c = s->priv_data;
-
// save current context
int n_videos = c->n_videos;
struct representation **videos = c->videos;
refresh_manifest(pls->parent);
}
if (pls->cur_seq_no <= min_seq_no) {
- av_log(pls->parent, AV_LOG_VERBOSE, "old fragment: cur[%"PRId64"] min[%"PRId64"] max[%"PRId64"], playlist %d\n", (int64_t)pls->cur_seq_no, min_seq_no, max_seq_no, (int)pls->rep_idx);
+ av_log(pls->parent, AV_LOG_VERBOSE, "old fragment: cur[%"PRId64"] min[%"PRId64"] max[%"PRId64"]\n", (int64_t)pls->cur_seq_no, min_seq_no, max_seq_no);
pls->cur_seq_no = calc_cur_seg_no(pls->parent, pls);
} else if (pls->cur_seq_no > max_seq_no) {
- av_log(pls->parent, AV_LOG_VERBOSE, "new fragment: min[%"PRId64"] max[%"PRId64"], playlist %d\n", min_seq_no, max_seq_no, (int)pls->rep_idx);
+ av_log(pls->parent, AV_LOG_VERBOSE, "new fragment: min[%"PRId64"] max[%"PRId64"]\n", min_seq_no, max_seq_no);
}
seg = av_mallocz(sizeof(struct fragment));
if (!seg) {
}
}
if (seg) {
- char *tmpfilename= av_mallocz(c->max_url_size);
+ char *tmpfilename;
+ if (!pls->url_template) {
+ av_log(pls->parent, AV_LOG_ERROR, "Cannot get fragment, missing template URL\n");
+ av_free(seg);
+ return NULL;
+ }
+ tmpfilename = av_mallocz(c->max_url_size);
if (!tmpfilename) {
+ av_free(seg);
return NULL;
}
ff_dash_fill_tmpl_params(tmpfilename, c->max_url_size, pls->url_template, 0, pls->cur_seq_no, 0, get_segment_start_time_based_on_timeline(pls, pls->cur_seq_no));
if (!seg->url) {
av_log(pls->parent, AV_LOG_ERROR, "Cannot resolve template url '%s'\n", pls->url_template);
av_free(tmpfilename);
+ av_free(seg);
return NULL;
}
}
}
ff_make_absolute_url(url, c->max_url_size, c->base_url, seg->url);
- av_log(pls->parent, AV_LOG_VERBOSE, "DASH request for url '%s', offset %"PRId64", playlist %d\n",
- url, seg->url_offset, pls->rep_idx);
- ret = open_url(pls->parent, &pls->input, url, c->avio_opts, opts, NULL);
+ av_log(pls->parent, AV_LOG_VERBOSE, "DASH request for url '%s', offset %"PRId64"\n",
+ url, seg->url_offset);
+ ret = open_url(pls->parent, &pls->input, url, &c->avio_opts, opts, NULL);
cleanup:
av_free(url);
ret = open_input(c, pls, pls->init_section);
if (ret < 0) {
av_log(pls->parent, AV_LOG_WARNING,
- "Failed to open an initialization section in playlist %d\n",
- pls->rep_idx);
+ "Failed to open an initialization section\n");
return ret;
}
ret = AVERROR_EXIT;
goto end;
}
- av_log(v->parent, AV_LOG_WARNING, "Failed to open fragment of playlist %d\n", v->rep_idx);
+ av_log(v->parent, AV_LOG_WARNING, "Failed to open fragment of playlist\n");
v->cur_seq_no++;
goto restart;
}
{
DASHContext *c = s->priv_data;
const char *opts[] = {
- "headers", "user_agent", "cookies", "http_proxy", "referer", "rw_timeout", NULL };
+ "headers", "user_agent", "cookies", "http_proxy", "referer", "rw_timeout", "icy", NULL };
const char **opt = opts;
uint8_t *buf = NULL;
int ret = 0;
if (av_opt_get(s->pb, *opt, AV_OPT_SEARCH_CHILDREN, &buf) >= 0) {
if (buf[0] != '\0') {
ret = av_dict_set(&c->avio_opts, *opt, buf, AV_DICT_DONT_STRDUP_VAL);
- if (ret < 0) {
- av_freep(&buf);
+ if (ret < 0)
return ret;
- }
} else {
av_freep(&buf);
}
memset(&pls->pb, 0x00, sizeof(AVIOContext));
pls->ctx->pb = NULL;
avformat_close_input(&pls->ctx);
- pls->ctx = NULL;
}
static int reopen_demux_for_component(AVFormatContext *s, struct representation *pls)
{
DASHContext *c = s->priv_data;
- ff_const59 AVInputFormat *in_fmt = NULL;
+ const AVInputFormat *in_fmt = NULL;
AVDictionary *in_fmt_opts = NULL;
uint8_t *avio_ctx_buffer = NULL;
int ret = 0, i;
pls->ctx = NULL;
goto fail;
}
- if (c->is_live) {
- ffio_init_context(&pls->pb, avio_ctx_buffer , INITIAL_BUFFER_SIZE, 0, pls, read_data, NULL, NULL);
- } else {
- ffio_init_context(&pls->pb, avio_ctx_buffer , INITIAL_BUFFER_SIZE, 0, pls, read_data, NULL, seek_data);
- }
+ ffio_init_context(&pls->pb, avio_ctx_buffer, INITIAL_BUFFER_SIZE, 0,
+ pls, read_data, NULL, c->is_live ? NULL : seek_data);
pls->pb.seekable = 0;
if ((ret = ff_copy_whiteblacklists(pls->ctx, s)) < 0)
goto fail;
pls->ctx->flags = AVFMT_FLAG_CUSTOM_IO;
- pls->ctx->probesize = 1024 * 4;
- pls->ctx->max_analyze_duration = 4 * AV_TIME_BASE;
+ pls->ctx->probesize = s->probesize > 0 ? s->probesize : 1024 * 4;
+ pls->ctx->max_analyze_duration = s->max_analyze_duration > 0 ? s->max_analyze_duration : 4 * AV_TIME_BASE;
+ pls->ctx->interrupt_callback = s->interrupt_callback;
ret = av_probe_input_buffer(&pls->pb, &in_fmt, "", NULL, 0, 0);
if (ret < 0) {
- av_log(s, AV_LOG_ERROR, "Error when loading first fragment, playlist %d\n", (int)pls->rep_idx);
+ av_log(s, AV_LOG_ERROR, "Error when loading first fragment of playlist\n");
avformat_free_context(pls->ctx);
pls->ctx = NULL;
goto fail;
pls->ctx->streams[i]->r_frame_rate = pls->framerate;
}
#endif
-
ret = avformat_find_stream_info(pls->ctx, NULL);
if (ret < 0)
goto fail;
goto fail;
}
st->id = i;
- avcodec_parameters_copy(st->codecpar, pls->ctx->streams[i]->codecpar);
+ avcodec_parameters_copy(st->codecpar, ist->codecpar);
avpriv_set_pts_info(st, ist->pts_wrap_bits, ist->time_base.num, ist->time_base.den);
+
+ // copy disposition
+ st->disposition = ist->disposition;
+
+ // copy side data
+ for (int i = 0; i < ist->nb_side_data; i++) {
+ const AVPacketSideData *sd_src = &ist->side_data[i];
+ uint8_t *dst_data;
+
+ dst_data = av_stream_new_side_data(st, sd_src->type, sd_src->size);
+ if (!dst_data)
+ return AVERROR(ENOMEM);
+ memcpy(dst_data, sd_src->data, sd_src->size);
+ }
}
return 0;
url_offset = first_init_section->url_offset;
size = pls[0]->init_section->size;
for (i=0;i<n_pls;i++) {
- if (av_strcasecmp(pls[i]->init_section->url,url) || pls[i]->init_section->url_offset != url_offset || pls[i]->init_section->size != size) {
+ if (!pls[i]->init_section)
+ continue;
+
+ if (av_strcasecmp(pls[i]->init_section->url, url) ||
+ pls[i]->init_section->url_offset != url_offset ||
+ pls[i]->init_section->size != size) {
return 0;
}
}
return 0;
}
+static int dash_close(AVFormatContext *s);
+
+static void move_metadata(AVStream *st, const char *key, char **value)
+{
+ if (*value) {
+ av_dict_set(&st->metadata, key, *value, AV_DICT_DONT_STRDUP_VAL);
+ *value = NULL;
+ }
+}
static int dash_read_header(AVFormatContext *s)
{
DASHContext *c = s->priv_data;
+ struct representation *rep;
+ AVProgram *program;
int ret = 0;
int stream_index = 0;
int i;
/* Open the demuxer for video and audio components if available */
for (i = 0; i < c->n_videos; i++) {
- struct representation *cur_video = c->videos[i];
+ rep = c->videos[i];
if (i > 0 && c->is_init_section_common_video) {
- ret = copy_init_section(cur_video,c->videos[0]);
+ ret = copy_init_section(rep, c->videos[0]);
if (ret < 0)
goto fail;
}
- ret = open_demux_for_component(s, cur_video);
+ ret = open_demux_for_component(s, rep);
if (ret)
goto fail;
- cur_video->stream_index = stream_index;
+ rep->stream_index = stream_index;
++stream_index;
}
c->is_init_section_common_audio = is_common_init_section_exist(c->audios, c->n_audios);
for (i = 0; i < c->n_audios; i++) {
- struct representation *cur_audio = c->audios[i];
+ rep = c->audios[i];
if (i > 0 && c->is_init_section_common_audio) {
- ret = copy_init_section(cur_audio,c->audios[0]);
+ ret = copy_init_section(rep, c->audios[0]);
if (ret < 0)
goto fail;
}
- ret = open_demux_for_component(s, cur_audio);
+ ret = open_demux_for_component(s, rep);
if (ret)
goto fail;
- cur_audio->stream_index = stream_index;
+ rep->stream_index = stream_index;
++stream_index;
}
if (c->n_subtitles)
- c->is_init_section_common_audio = is_common_init_section_exist(c->subtitles, c->n_subtitles);
+ c->is_init_section_common_subtitle = is_common_init_section_exist(c->subtitles, c->n_subtitles);
for (i = 0; i < c->n_subtitles; i++) {
- struct representation *cur_subtitle = c->subtitles[i];
- if (i > 0 && c->is_init_section_common_audio) {
- ret = copy_init_section(cur_subtitle,c->subtitles[0]);
+ rep = c->subtitles[i];
+ if (i > 0 && c->is_init_section_common_subtitle) {
+ ret = copy_init_section(rep, c->subtitles[0]);
if (ret < 0)
goto fail;
}
- ret = open_demux_for_component(s, cur_subtitle);
+ ret = open_demux_for_component(s, rep);
if (ret)
goto fail;
- cur_subtitle->stream_index = stream_index;
+ rep->stream_index = stream_index;
++stream_index;
}
-
if (!stream_index) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
/* Create a program */
- if (!ret) {
- AVProgram *program;
- program = av_new_program(s, 0);
- if (!program) {
- goto fail;
- }
-
- for (i = 0; i < c->n_videos; i++) {
- struct representation *pls = c->videos[i];
-
- av_program_add_stream_index(s, 0, pls->stream_index);
- pls->assoc_stream = s->streams[pls->stream_index];
- if (pls->bandwidth > 0)
- av_dict_set_int(&pls->assoc_stream->metadata, "variant_bitrate", pls->bandwidth, 0);
- if (pls->id[0])
- av_dict_set(&pls->assoc_stream->metadata, "id", pls->id, 0);
- }
- for (i = 0; i < c->n_audios; i++) {
- struct representation *pls = c->audios[i];
-
- av_program_add_stream_index(s, 0, pls->stream_index);
- pls->assoc_stream = s->streams[pls->stream_index];
- if (pls->bandwidth > 0)
- av_dict_set_int(&pls->assoc_stream->metadata, "variant_bitrate", pls->bandwidth, 0);
- if (pls->id[0])
- av_dict_set(&pls->assoc_stream->metadata, "id", pls->id, 0);
- }
- for (i = 0; i < c->n_subtitles; i++) {
- struct representation *pls = c->subtitles[i];
- av_program_add_stream_index(s, 0, pls->stream_index);
- pls->assoc_stream = s->streams[pls->stream_index];
- if (pls->id[0])
- av_dict_set(&pls->assoc_stream->metadata, "id", pls->id, 0);
- }
+ program = av_new_program(s, 0);
+ if (!program) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ for (i = 0; i < c->n_videos; i++) {
+ rep = c->videos[i];
+ av_program_add_stream_index(s, 0, rep->stream_index);
+ rep->assoc_stream = s->streams[rep->stream_index];
+ if (rep->bandwidth > 0)
+ av_dict_set_int(&rep->assoc_stream->metadata, "variant_bitrate", rep->bandwidth, 0);
+ move_metadata(rep->assoc_stream, "id", &rep->id);
+ }
+ for (i = 0; i < c->n_audios; i++) {
+ rep = c->audios[i];
+ av_program_add_stream_index(s, 0, rep->stream_index);
+ rep->assoc_stream = s->streams[rep->stream_index];
+ if (rep->bandwidth > 0)
+ av_dict_set_int(&rep->assoc_stream->metadata, "variant_bitrate", rep->bandwidth, 0);
+ move_metadata(rep->assoc_stream, "id", &rep->id);
+ move_metadata(rep->assoc_stream, "language", &rep->lang);
+ }
+ for (i = 0; i < c->n_subtitles; i++) {
+ rep = c->subtitles[i];
+ av_program_add_stream_index(s, 0, rep->stream_index);
+ rep->assoc_stream = s->streams[rep->stream_index];
+ move_metadata(rep->assoc_stream, "id", &rep->id);
+ move_metadata(rep->assoc_stream, "language", &rep->lang);
}
return 0;
fail:
+ dash_close(s);
return ret;
}
for (i = 0; i < n; i++) {
struct representation *pls = p[i];
-
int needed = !pls->assoc_stream || pls->assoc_stream->discard < AVDISCARD_ALL;
+
if (needed && !pls->ctx) {
pls->cur_seg_offset = 0;
pls->init_sec_buf_read_offset = 0;
av_log(s, AV_LOG_INFO, "Now receiving stream_index %d\n", pls->stream_index);
} else if (!needed && pls->ctx) {
close_demux_for_component(pls);
- if (pls->input)
- ff_format_io_close(pls->parent, &pls->input);
+ ff_format_io_close(pls->parent, &pls->input);
av_log(s, AV_LOG_INFO, "No longer receiving stream_index %d\n", pls->stream_index);
}
}
int ret = 0, i;
int64_t mints = 0;
struct representation *cur = NULL;
+ struct representation *rep = NULL;
recheck_discard_flags(s, c->videos, c->n_videos);
recheck_discard_flags(s, c->audios, c->n_audios);
recheck_discard_flags(s, c->subtitles, c->n_subtitles);
for (i = 0; i < c->n_videos; i++) {
- struct representation *pls = c->videos[i];
- if (!pls->ctx)
+ rep = c->videos[i];
+ if (!rep->ctx)
continue;
- if (!cur || pls->cur_timestamp < mints) {
- cur = pls;
- mints = pls->cur_timestamp;
+ if (!cur || rep->cur_timestamp < mints) {
+ cur = rep;
+ mints = rep->cur_timestamp;
}
}
for (i = 0; i < c->n_audios; i++) {
- struct representation *pls = c->audios[i];
- if (!pls->ctx)
+ rep = c->audios[i];
+ if (!rep->ctx)
continue;
- if (!cur || pls->cur_timestamp < mints) {
- cur = pls;
- mints = pls->cur_timestamp;
+ if (!cur || rep->cur_timestamp < mints) {
+ cur = rep;
+ mints = rep->cur_timestamp;
}
}
for (i = 0; i < c->n_subtitles; i++) {
- struct representation *pls = c->subtitles[i];
- if (!pls->ctx)
+ rep = c->subtitles[i];
+ if (!rep->ctx)
continue;
- if (!cur || pls->cur_timestamp < mints) {
- cur = pls;
- mints = pls->cur_timestamp;
+ if (!cur || rep->cur_timestamp < mints) {
+ cur = rep;
+ mints = rep->cur_timestamp;
}
}
if (cur->is_restart_needed) {
cur->cur_seg_offset = 0;
cur->init_sec_buf_read_offset = 0;
- if (cur->input)
- ff_format_io_close(cur->parent, &cur->input);
+ ff_format_io_close(cur->parent, &cur->input);
ret = reopen_demux_for_component(s, cur);
cur->is_restart_needed = 0;
}
DASHContext *c = s->priv_data;
free_audio_list(c);
free_video_list(c);
-
+ free_subtitle_list(c);
av_dict_free(&c->avio_opts);
av_freep(&c->base_url);
return 0;
int j = 0;
int64_t duration = 0;
- av_log(pls->parent, AV_LOG_VERBOSE, "DASH seek pos[%"PRId64"ms], playlist %d%s\n",
- seek_pos_msec, pls->rep_idx, dry_run ? " (dry)" : "");
+ av_log(pls->parent, AV_LOG_VERBOSE, "DASH seek pos[%"PRId64"ms] %s\n",
+ seek_pos_msec, dry_run ? " (dry)" : "");
// single fragment mode
if (pls->n_fragments == 1) {
return av_seek_frame(pls->ctx, -1, seek_pos_msec * 1000, flags);
}
- if (pls->input)
- ff_format_io_close(pls->parent, &pls->input);
+ ff_format_io_close(pls->parent, &pls->input);
// find the nearest fragment
if (pls->n_timelines > 0 && pls->fragment_timescale > 0) {
int64_t num = pls->first_seq_no;
av_log(pls->parent, AV_LOG_VERBOSE, "dash_seek with SegmentTimeline start n_timelines[%d] "
- "last_seq_no[%"PRId64"], playlist %d.\n",
- (int)pls->n_timelines, (int64_t)pls->last_seq_no, (int)pls->rep_idx);
+ "last_seq_no[%"PRId64"].\n",
+ (int)pls->n_timelines, (int64_t)pls->last_seq_no);
for (i = 0; i < pls->n_timelines; i++) {
if (pls->timelines[i]->starttime > 0) {
duration = pls->timelines[i]->starttime;
set_seq_num:
pls->cur_seq_no = num > pls->last_seq_no ? pls->last_seq_no : num;
- av_log(pls->parent, AV_LOG_VERBOSE, "dash_seek with SegmentTimeline end cur_seq_no[%"PRId64"], playlist %d.\n",
- (int64_t)pls->cur_seq_no, (int)pls->rep_idx);
+ av_log(pls->parent, AV_LOG_VERBOSE, "dash_seek with SegmentTimeline end cur_seq_no[%"PRId64"].\n",
+ (int64_t)pls->cur_seq_no);
} else if (pls->fragment_duration > 0) {
pls->cur_seq_no = pls->first_seq_no + ((seek_pos_msec * pls->fragment_timescale) / pls->fragment_duration) / 1000;
} else {
if (av_stristr(p->buf, "dash:profile:isoff-on-demand:2011") ||
av_stristr(p->buf, "dash:profile:isoff-live:2011") ||
av_stristr(p->buf, "dash:profile:isoff-live:2012") ||
- av_stristr(p->buf, "dash:profile:isoff-main:2011")) {
+ av_stristr(p->buf, "dash:profile:isoff-main:2011") ||
+ av_stristr(p->buf, "3GPP:PSS:profile:DASH1")) {
return AVPROBE_SCORE_MAX;
}
if (av_stristr(p->buf, "dash:profile")) {
static const AVOption dash_options[] = {
{"allowed_extensions", "List of file extensions that dash is allowed to access",
OFFSET(allowed_extensions), AV_OPT_TYPE_STRING,
- {.str = "aac,m4a,m4s,m4v,mov,mp4,webm"},
+ {.str = "aac,m4a,m4s,m4v,mov,mp4,webm,ts"},
INT_MIN, INT_MAX, FLAGS},
{NULL}
};
.version = LIBAVUTIL_VERSION_INT,
};
-AVInputFormat ff_dash_demuxer = {
+const AVInputFormat ff_dash_demuxer = {
.name = "dash",
.long_name = NULL_IF_CONFIG_SMALL("Dynamic Adaptive Streaming over HTTP"),
.priv_class = &dash_class,