67 * npt-ss = 1*2DIGIT ; 0-59 |
67 * npt-ss = 1*2DIGIT ; 0-59 |
68 */ |
68 */ |
69 static GstRTSPResult |
69 static GstRTSPResult |
70 parse_npt_time (const gchar * str, GstRTSPTime * time) |
70 parse_npt_time (const gchar * str, GstRTSPTime * time) |
71 { |
71 { |
72 if (strncmp (str, "now", 3) == 0) { |
72 if (strcmp (str, "now") == 0) { |
73 time->type = GST_RTSP_TIME_NOW; |
73 time->type = GST_RTSP_TIME_NOW; |
74 } else if (str[0] == '\0') { |
74 } else if (str[0] == '\0') { |
75 time->type = GST_RTSP_TIME_END; |
75 time->type = GST_RTSP_TIME_END; |
76 } else if (strstr (str, ":")) { |
76 } else if (strstr (str, ":")) { |
77 gfloat seconds; |
77 gfloat seconds; |
165 res->unit = GST_RTSP_RANGE_SMPTE_25; |
165 res->unit = GST_RTSP_RANGE_SMPTE_25; |
166 ret = parse_smpte_range (p + 9, res); |
166 ret = parse_smpte_range (p + 9, res); |
167 } else |
167 } else |
168 goto invalid; |
168 goto invalid; |
169 |
169 |
170 if (ret != GST_RTSP_OK) |
170 if (ret == GST_RTSP_OK) |
171 goto invalid; |
171 *range = res; |
172 |
172 |
173 *range = res; |
|
174 return ret; |
173 return ret; |
175 |
174 |
176 /* ERRORS */ |
175 /* ERRORS */ |
177 invalid: |
176 invalid: |
178 { |
177 { |
179 gst_rtsp_range_free (res); |
178 gst_rtsp_range_free (res); |
180 return GST_RTSP_EINVAL; |
179 return GST_RTSP_EINVAL; |
181 } |
180 } |
182 } |
|
183 |
|
184 static gboolean |
|
185 npt_time_string (const GstRTSPTime * time, GString * string) |
|
186 { |
|
187 gboolean res = TRUE;; |
|
188 |
|
189 switch (time->type) { |
|
190 case GST_RTSP_TIME_SECONDS: |
|
191 g_string_append_printf (string, "%f", time->seconds); |
|
192 break; |
|
193 case GST_RTSP_TIME_NOW: |
|
194 g_string_append (string, "now"); |
|
195 break; |
|
196 case GST_RTSP_TIME_END: |
|
197 break; |
|
198 default: |
|
199 res = FALSE; |
|
200 break; |
|
201 } |
|
202 return res; |
|
203 } |
|
204 |
|
205 static gboolean |
|
206 npt_range_string (const GstRTSPTimeRange * range, GString * string) |
|
207 { |
|
208 gboolean res; |
|
209 |
|
210 if (!(res = npt_time_string (&range->min, string))) |
|
211 goto done; |
|
212 |
|
213 g_string_append (string, "-"); |
|
214 |
|
215 if (!(res = npt_time_string (&range->max, string))) |
|
216 goto done; |
|
217 |
|
218 done: |
|
219 return res; |
|
220 } |
|
221 |
|
222 /** |
|
223 * gst_rtsp_range_to_string: |
|
224 * @range: a #GstRTSPTimeRange |
|
225 * |
|
226 * Convert @range into a string representation. |
|
227 * |
|
228 * Returns: The string representation of @range. g_free() after usage. |
|
229 * |
|
230 * Since: 0.10.23 |
|
231 */ |
|
232 gchar * |
|
233 gst_rtsp_range_to_string (const GstRTSPTimeRange * range) |
|
234 { |
|
235 gchar *result = NULL; |
|
236 GString *string; |
|
237 |
|
238 g_return_val_if_fail (range != NULL, NULL); |
|
239 |
|
240 string = g_string_new (""); |
|
241 |
|
242 switch (range->unit) { |
|
243 case GST_RTSP_RANGE_NPT: |
|
244 g_string_append (string, "npt="); |
|
245 if (!npt_range_string (range, string)) { |
|
246 g_string_free (string, TRUE); |
|
247 string = NULL; |
|
248 } |
|
249 break; |
|
250 case GST_RTSP_RANGE_SMPTE: |
|
251 case GST_RTSP_RANGE_SMPTE_30_DROP: |
|
252 case GST_RTSP_RANGE_SMPTE_25: |
|
253 case GST_RTSP_RANGE_CLOCK: |
|
254 default: |
|
255 g_warning ("time range unit not yet implemented"); |
|
256 g_string_free (string, TRUE); |
|
257 string = NULL; |
|
258 break; |
|
259 } |
|
260 if (string) |
|
261 result = g_string_free (string, FALSE); |
|
262 |
|
263 return result; |
|
264 } |
181 } |
265 |
182 |
266 /** |
183 /** |
267 * gst_rtsp_range_free: |
184 * gst_rtsp_range_free: |
268 * @range: a #GstRTSPTimeRange |
185 * @range: a #GstRTSPTimeRange |