53     WebMChunkContext *wc = s->priv_data;  in webm_chunk_init()  local
64     if (!wc->header_filename) {  in webm_chunk_init()
69     wc->prev_pts = AV_NOPTS_VALUE;  in webm_chunk_init()
75     ret = avformat_alloc_output_context2(&wc->avf, oformat, NULL, NULL);  in webm_chunk_init()
78     oc = wc->avf;  in webm_chunk_init()
80     ff_format_set_url(oc, wc->header_filename);  in webm_chunk_init()
81     wc->header_filename = NULL;  in webm_chunk_init()
100     if (wc->http_method)  in webm_chunk_init()
101         if ((ret = av_dict_set(&dict, "method", wc->http_method, 0)) < 0)  in webm_chunk_init()
111                                wc->chunk_duration, 0)) < 0 ||  in webm_chunk_init()
138     WebMChunkContext *wc = s->priv_data;  in get_chunk_filename()  local
143                               s->url, wc->chunk_index - 1) < 0) {  in get_chunk_filename()
152     WebMChunkContext *wc = s->priv_data;  in webm_chunk_write_header()  local
153     AVFormatContext *oc = wc->avf;  in webm_chunk_write_header()
158     wc->header_written = 1;  in webm_chunk_write_header()
166     WebMChunkContext *wc = s->priv_data;  in chunk_start()  local
167     AVFormatContext *oc = wc->avf;  in chunk_start()
173     wc->chunk_index++;  in chunk_start()
179     WebMChunkContext *wc = s->priv_data;  in chunk_end()  local
180     AVFormatContext *oc = wc->avf;  in chunk_end()
199     if (wc->http_method)  in chunk_end()
200         if ((ret = av_dict_set(&options, "method", wc->http_method, 0)) < 0)  in chunk_end()
215     WebMChunkContext *wc = s->priv_data;  in webm_chunk_write_packet()  local
216     AVFormatContext *oc = wc->avf;  in webm_chunk_write_packet()
221         if (wc->prev_pts != AV_NOPTS_VALUE)  in webm_chunk_write_packet()
222             wc->duration_written += av_rescale_q(pkt->pts - wc->prev_pts,  in webm_chunk_write_packet()
225         wc->prev_pts = pkt->pts;  in webm_chunk_write_packet()
234          wc->duration_written >= wc->chunk_duration)) {  in webm_chunk_write_packet()
235         wc->duration_written = 0;  in webm_chunk_write_packet()
247     WebMChunkContext *wc = s->priv_data;  in webm_chunk_write_trailer()  local
248     AVFormatContext *oc = wc->avf;  in webm_chunk_write_trailer()
264     WebMChunkContext *wc = s->priv_data;  in webm_chunk_deinit()  local
266     if (!wc->avf)  in webm_chunk_deinit()
269     if (wc->header_written)  in webm_chunk_deinit()
270         ffio_free_dyn_buf(&wc->avf->pb);  in webm_chunk_deinit()
272         ff_format_io_close(s, &wc->avf->pb);  in webm_chunk_deinit()
273     avformat_free_context(wc->avf);  in webm_chunk_deinit()
274     wc->avf = NULL;  in webm_chunk_deinit()