X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fdashdec.c;h=6b43fd6278b4b38472d78e7ef4a8d7c621605cd0;hb=491a30c79cf7e1fa7e32aeb4968a8c63af6e0534;hp=271202b0a51bdfe07276e18c2f36f773c8ac62d7;hpb=3c138e5ceb487490f88015b1694ce34c1393736c;p=ffmpeg diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c index 271202b0a51..6b43fd6278b 100644 --- a/libavformat/dashdec.c +++ b/libavformat/dashdec.c @@ -29,6 +29,8 @@ #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; @@ -78,13 +80,10 @@ struct representation { 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[32]; + char *lang; int bandwidth; AVRational framerate; AVStream *assoc_stream; /* demuxer stream associated with this representation */ @@ -144,6 +143,9 @@ typedef struct DASHContext { uint64_t period_duration; uint64_t period_start; + /* AdaptationSet Attribute */ + char *adaptionset_lang; + int is_live; AVIOInterruptCB *interrupt_callback; char *allowed_extensions; @@ -153,13 +155,14 @@ typedef struct DASHContext { /* 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) @@ -225,21 +228,21 @@ static uint32_t get_duration_insec(AVFormatContext *s, const char *duration) 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; } @@ -357,6 +360,7 @@ static void free_representation(struct representation *pls) } av_freep(&pls->url_template); + av_freep(&pls->lang); av_freep(&pls); } @@ -394,16 +398,13 @@ static void free_subtitle_list(DASHContext *c) } 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); @@ -437,6 +438,8 @@ static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url, 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. @@ -446,7 +449,7 @@ static int open_url(AVFormatContext *s, AVIOContext **pb, const char *url, 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); } } @@ -470,11 +473,9 @@ static char *get_content_url(xmlNodePtr *baseurl_nodes, 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] && @@ -483,9 +484,7 @@ static char *get_content_url(xmlNodePtr *baseurl_nodes, 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); } } @@ -495,7 +494,7 @@ static char *get_content_url(xmlNodePtr *baseurl_nodes, 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; } @@ -504,14 +503,13 @@ static char *get_content_url(xmlNodePtr *baseurl_nodes, 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; } @@ -560,11 +558,11 @@ static enum AVMediaType get_content_type(xmlNodePtr node) 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); @@ -586,7 +584,7 @@ static struct fragment * get_Fragment(char *range) 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; @@ -603,15 +601,17 @@ static int parse_manifest_segmenturlnode(AVFormatContext *s, struct representati 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, @@ -619,24 +619,20 @@ static int parse_manifest_segmenturlnode(AVFormatContext *s, struct representati 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, @@ -644,15 +640,16 @@ static int parse_manifest_segmenturlnode(AVFormatContext *s, struct representati 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; + } } } @@ -664,8 +661,9 @@ static int parse_manifest_segmenttimeline(AVFormatContext *s, struct representat { 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); @@ -679,17 +677,21 @@ static int parse_manifest_segmenttimeline(AVFormatContext *s, struct representat 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; @@ -770,7 +772,7 @@ static int resolve_content_path(AVFormatContext *s, const char *url, int *max_ur 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; } @@ -828,9 +830,6 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url, 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; @@ -840,18 +839,10 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url, 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_id_val, *rep_bandwidth_val; enum AVMediaType type = AVMEDIA_TYPE_UNKNOWN; // try get information from representation @@ -863,244 +854,246 @@ static int parse_manifest_representation(AVFormatContext *s, const char *url, // 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; + return 0; + } + + // 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); } - 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"); - - 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_val ? strlen(rep_id_val) : 0) - + (rep_bandwidth_val ? strlen(rep_bandwidth_val) : 0)); - if (ret == AVERROR(ENOMEM) || ret == 0) { - goto end; + } + 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_id_val = xmlGetProp(representation_node, "id"); + rep_bandwidth_val = xmlGetProp(representation_node, "bandwidth"); + + 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_val ? strlen(rep_id_val) : 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; + } + 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_val, 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_val, rep_bandwidth_val, val); + xmlFree(val); } - 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; + 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); } - 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->start_number = 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); - } - 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"); - 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; - segmentlists_tab[2] = period_segmentlist_node; - - duration_val = get_val_from_nodes_tab(segmentlists_tab, 3, "duration"); - timescale_val = get_val_from_nodes_tab(segmentlists_tab, 3, "timescale"); - startnumber_val = get_val_from_nodes_tab(segmentlists_tab, 3, "startNumber"); - 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->start_number = 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); + 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) + 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_val, 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); + } - 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); - } + 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) + goto free; + fragmenturl_node = xmlNextElementSibling(fragmenturl_node); + } - 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); + 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 { + av_log(s, AV_LOG_ERROR, "Unknown format of Representation node id[%s] \n", rep_id_val); + goto free; + } - 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; - } + if (rep->fragment_duration > 0 && !rep->fragment_timescale) + rep->fragment_timescale = 1; + rep->bandwidth = rep_bandwidth_val ? atoi(rep_bandwidth_val) : 0; + if (rep_id_val) + av_strlcpy(rep->id, rep_id_val, sizeof(rep->id)); + 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, @@ -1111,6 +1104,7 @@ static int parse_manifest_adaptationset(AVFormatContext *s, const char *url, xmlNodePtr period_segmentlist_node) { int ret = 0; + DASHContext *c = s->priv_data; xmlNodePtr fragment_template_node = NULL; xmlNodePtr content_component_node = NULL; xmlNodePtr adaptionset_baseurl_node = NULL; @@ -1118,19 +1112,23 @@ static int parse_manifest_adaptationset(AVFormatContext *s, const char *url, xmlNodePtr adaptionset_supplementalproperty_node = NULL; xmlNodePtr node = NULL; + 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, @@ -1142,13 +1140,16 @@ static int parse_manifest_adaptationset(AVFormatContext *s, const char *url, 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) @@ -1185,9 +1186,8 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in) 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; @@ -1214,31 +1214,29 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in) 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; @@ -1249,7 +1247,7 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in) } 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; @@ -1261,7 +1259,7 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in) ret = AVERROR_INVALIDDATA; goto cleanup; } - if (!av_strcasecmp(val, (const char *)"dynamic")) + if (!av_strcasecmp(val, "dynamic")) c->is_live = 1; xmlFree(val); @@ -1269,29 +1267,29 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in) 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; @@ -1308,16 +1306,16 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in) // 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); @@ -1342,13 +1340,13 @@ static int parse_manifest(AVFormatContext *s, const char *url, AVIOContext *in) 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); @@ -1360,8 +1358,7 @@ cleanup: xmlFreeNode(mpd_baseurl_node); } - av_free(new_url); - av_free(buffer); + av_bprint_finalize(&buf, NULL); if (close_in) { avio_close(in); } @@ -1614,10 +1611,10 @@ static struct fragment *get_current_fragment(struct representation *pls) 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) { @@ -1630,8 +1627,15 @@ static struct fragment *get_current_fragment(struct representation *pls) } } 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)); @@ -1642,6 +1646,7 @@ static struct fragment *get_current_fragment(struct representation *pls) 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; } } @@ -1688,9 +1693,9 @@ static int open_input(DASHContext *c, struct representation *pls, struct fragmen } 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); @@ -1714,8 +1719,7 @@ static int update_init_section(struct representation *pls) 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; } @@ -1783,7 +1787,7 @@ restart: 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; } @@ -1833,10 +1837,8 @@ static int save_avio_options(AVFormatContext *s) 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); } @@ -1864,7 +1866,6 @@ static void close_demux_for_component(struct representation *pls) 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) @@ -1896,11 +1897,8 @@ static int reopen_demux_for_component(AVFormatContext *s, struct representation 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) @@ -1909,9 +1907,10 @@ static int reopen_demux_for_component(AVFormatContext *s, struct representation pls->ctx->flags = AVFMT_FLAG_CUSTOM_IO; 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; @@ -1967,6 +1966,20 @@ static int open_demux_for_component(AVFormatContext *s, struct representation *p st->id = i; 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; @@ -1989,7 +2002,12 @@ static int is_common_init_section_exist(struct representation **pls, int n_pls) url_offset = first_init_section->url_offset; size = pls[0]->init_section->size; for (i=0;iinit_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; } } @@ -2011,11 +2029,13 @@ static int copy_init_section(struct representation *rep_dest, struct representat return 0; } +static int dash_close(AVFormatContext *s); 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; @@ -2074,11 +2094,11 @@ static int dash_read_header(AVFormatContext *s) } 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++) { rep = c->subtitles[i]; - if (i > 0 && c->is_init_section_common_audio) { + if (i > 0 && c->is_init_section_common_subtitle) { ret = copy_init_section(rep, c->subtitles[0]); if (ret < 0) goto fail; @@ -2097,42 +2117,49 @@ static int dash_read_header(AVFormatContext *s) } /* Create a program */ - if (!ret) { - AVProgram *program; - program = av_new_program(s, 0); - if (!program) { - goto fail; - } + 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); - if (rep->id[0]) - av_dict_set(&rep->assoc_stream->metadata, "id", rep->id, 0); - } - 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); - if (rep->id[0]) - av_dict_set(&rep->assoc_stream->metadata, "id", rep->id, 0); + 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); + if (rep->id[0]) + av_dict_set(&rep->assoc_stream->metadata, "id", rep->id, 0); + } + 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); + if (rep->id[0]) + av_dict_set(&rep->assoc_stream->metadata, "id", rep->id, 0); + if (rep->lang) { + av_dict_set(&rep->assoc_stream->metadata, "language", rep->lang, 0); + av_freep(&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]; - if (rep->id[0]) - av_dict_set(&rep->assoc_stream->metadata, "id", rep->id, 0); + } + 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]; + if (rep->id[0]) + av_dict_set(&rep->assoc_stream->metadata, "id", rep->id, 0); + if (rep->lang) { + av_dict_set(&rep->assoc_stream->metadata, "language", rep->lang, 0); + av_freep(&rep->lang); } } return 0; fail: + dash_close(s); return ret; } @@ -2229,6 +2256,7 @@ static int dash_close(AVFormatContext *s) 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; @@ -2241,8 +2269,8 @@ static int dash_seek(AVFormatContext *s, struct representation *pls, int64_t see 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) { @@ -2260,8 +2288,8 @@ static int dash_seek(AVFormatContext *s, struct representation *pls, int64_t see 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; @@ -2282,8 +2310,8 @@ static int dash_seek(AVFormatContext *s, struct representation *pls, int64_t see 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 {