165 static void vidtv_s302m_access_unit_destroy(struct vidtv_encoder *e)  in vidtv_s302m_access_unit_destroy()  argument
167 	struct vidtv_access_unit *head = e->access_units;  in vidtv_s302m_access_unit_destroy()
176 	e->access_units = NULL;  in vidtv_s302m_access_unit_destroy()
179 static void vidtv_s302m_alloc_au(struct vidtv_encoder *e)  in vidtv_s302m_alloc_au()  argument
184 	if (e->sync && e->sync->is_video_encoder) {  in vidtv_s302m_alloc_au()
185 		sync_au = e->sync->access_units;  in vidtv_s302m_alloc_au()
188 			temp = vidtv_s302m_access_unit_init(e->access_units);  in vidtv_s302m_alloc_au()
189 			if (!e->access_units)  in vidtv_s302m_alloc_au()
190 				e->access_units = temp;  in vidtv_s302m_alloc_au()
198 	e->access_units = vidtv_s302m_access_unit_init(NULL);  in vidtv_s302m_alloc_au()
202 vidtv_s302m_compute_sample_count_from_video(struct vidtv_encoder *e)  in vidtv_s302m_compute_sample_count_from_video()  argument
204 	struct vidtv_access_unit *sync_au = e->sync->access_units;  in vidtv_s302m_compute_sample_count_from_video()
205 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_compute_sample_count_from_video()
210 	vau_duration_usecs    = USEC_PER_SEC / e->sync->sampling_rate_hz;  in vidtv_s302m_compute_sample_count_from_video()
211 	sample_duration_usecs = USEC_PER_SEC / e->sampling_rate_hz;  in vidtv_s302m_compute_sample_count_from_video()
221 static void vidtv_s302m_compute_pts_from_video(struct vidtv_encoder *e)  in vidtv_s302m_compute_pts_from_video()  argument
223 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_compute_pts_from_video()
224 	struct vidtv_access_unit *sync_au = e->sync->access_units;  in vidtv_s302m_compute_pts_from_video()
234 static u16 vidtv_s302m_get_sample(struct vidtv_encoder *e)  in vidtv_s302m_get_sample()  argument
238 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_get_sample()
240 	if (!e->src_buf) {  in vidtv_s302m_get_sample()
246 			if (e->src_buf_offset >= ARRAY_SIZE(beethoven_fur_elise))  in vidtv_s302m_get_sample()
247 				e->src_buf_offset = 0;  in vidtv_s302m_get_sample()
249 			ctx->last_tone = beethoven_fur_elise[e->src_buf_offset].note;  in vidtv_s302m_get_sample()
250 			ctx->last_duration = beethoven_fur_elise[e->src_buf_offset].duration *  in vidtv_s302m_get_sample()
252 			e->src_buf_offset++;  in vidtv_s302m_get_sample()
269 	if (e->src_buf_offset > e->src_buf_sz) {  in vidtv_s302m_get_sample()
271 				   e->src_buf_offset,  in vidtv_s302m_get_sample()
272 				   e->src_buf_sz);  in vidtv_s302m_get_sample()
274 		e->src_buf_offset = 0;  in vidtv_s302m_get_sample()
277 	if (e->src_buf_offset >= e->src_buf_sz) {  in vidtv_s302m_get_sample()
279 		if (e->last_sample_cb)  in vidtv_s302m_get_sample()
280 			e->last_sample_cb(e->sample_count);  in vidtv_s302m_get_sample()
282 		e->src_buf_offset = 0;  in vidtv_s302m_get_sample()
285 	sample = *(u16 *)(e->src_buf + e->src_buf_offset);  in vidtv_s302m_get_sample()
290 static u32 vidtv_s302m_write_frame(struct vidtv_encoder *e,  in vidtv_s302m_write_frame()  argument
293 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_write_frame()
313 	nbytes += vidtv_memcpy(e->encoder_buf,  in vidtv_s302m_write_frame()
314 			       e->encoder_buf_offset,  in vidtv_s302m_write_frame()
319 	e->encoder_buf_offset += nbytes;  in vidtv_s302m_write_frame()
328 static u32 vidtv_s302m_write_h(struct vidtv_encoder *e, u32 p_sz)  in vidtv_s302m_write_h()  argument
336 	nbytes += vidtv_memcpy(e->encoder_buf,  in vidtv_s302m_write_h()
337 			       e->encoder_buf_offset,  in vidtv_s302m_write_h()
338 			       e->encoder_buf_sz,  in vidtv_s302m_write_h()
342 	e->encoder_buf_offset += nbytes;  in vidtv_s302m_write_h()
346 static void vidtv_s302m_write_frames(struct vidtv_encoder *e)  in vidtv_s302m_write_frames()  argument
348 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_write_frames()
349 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_write_frames()
360 		nbytes_per_unit = vidtv_s302m_write_h(e, au_sz);  in vidtv_s302m_write_frames()
363 			sample = vidtv_s302m_get_sample(e);  in vidtv_s302m_write_frames()
364 			nbytes_per_unit += vidtv_s302m_write_frame(e, sample);  in vidtv_s302m_write_frames()
366 			if (e->src_buf)  in vidtv_s302m_write_frames()
367 				e->src_buf_offset += sizeof(u16);  in vidtv_s302m_write_frames()
369 			e->sample_count++;  in vidtv_s302m_write_frames()
390 static void *vidtv_s302m_encode(struct vidtv_encoder *e)  in vidtv_s302m_encode()  argument
392 	struct vidtv_s302m_ctx *ctx = e->ctx;  in vidtv_s302m_encode()
407 	vidtv_s302m_access_unit_destroy(e);  in vidtv_s302m_encode()
408 	vidtv_s302m_alloc_au(e);  in vidtv_s302m_encode()
410 	if (e->sync && e->sync->is_video_encoder) {  in vidtv_s302m_encode()
411 		vidtv_s302m_compute_sample_count_from_video(e);  in vidtv_s302m_encode()
412 		vidtv_s302m_compute_pts_from_video(e);  in vidtv_s302m_encode()
414 		e->access_units->num_samples = FF_S302M_DEFAULT_NUM_FRAMES;  in vidtv_s302m_encode()
415 		e->access_units->pts = (ctx->au_count * FF_S302M_DEFAULT_PTS_INCREMENT) +  in vidtv_s302m_encode()
419 	vidtv_s302m_write_frames(e);  in vidtv_s302m_encode()
421 	return e->encoder_buf;  in vidtv_s302m_encode()
424 static u32 vidtv_s302m_clear(struct vidtv_encoder *e)  in vidtv_s302m_clear()  argument
426 	struct vidtv_access_unit *au = e->access_units;  in vidtv_s302m_clear()
434 	vidtv_s302m_access_unit_destroy(e);  in vidtv_s302m_clear()
435 	memset(e->encoder_buf, 0, VIDTV_S302M_BUF_SZ);  in vidtv_s302m_clear()
436 	e->encoder_buf_offset = 0;  in vidtv_s302m_clear()
446 	struct vidtv_encoder *e;  in vidtv_s302m_encoder_init()  local
448 	e = kzalloc(sizeof(*e), GFP_KERNEL);  in vidtv_s302m_encoder_init()
449 	if (!e)  in vidtv_s302m_encoder_init()
452 	e->id = S302M;  in vidtv_s302m_encoder_init()
455 		e->name = kstrdup(args.name, GFP_KERNEL);  in vidtv_s302m_encoder_init()
457 	e->encoder_buf = vzalloc(VIDTV_S302M_BUF_SZ);  in vidtv_s302m_encoder_init()
458 	if (!e->encoder_buf)  in vidtv_s302m_encoder_init()
461 	e->encoder_buf_sz = VIDTV_S302M_BUF_SZ;  in vidtv_s302m_encoder_init()
462 	e->encoder_buf_offset = 0;  in vidtv_s302m_encoder_init()
464 	e->sample_count = 0;  in vidtv_s302m_encoder_init()
466 	e->src_buf = (args.src_buf) ? args.src_buf : NULL;  in vidtv_s302m_encoder_init()
467 	e->src_buf_sz = (args.src_buf) ? args.src_buf_sz : 0;  in vidtv_s302m_encoder_init()
468 	e->src_buf_offset = 0;  in vidtv_s302m_encoder_init()
470 	e->is_video_encoder = false;  in vidtv_s302m_encoder_init()
476 	e->ctx = ctx;  in vidtv_s302m_encoder_init()
479 	e->encode = vidtv_s302m_encode;  in vidtv_s302m_encoder_init()
480 	e->clear = vidtv_s302m_clear;  in vidtv_s302m_encoder_init()
482 	e->es_pid = cpu_to_be16(args.es_pid);  in vidtv_s302m_encoder_init()
483 	e->stream_id = cpu_to_be16(PES_PRIVATE_STREAM_1);  in vidtv_s302m_encoder_init()
485 	e->sync = args.sync;  in vidtv_s302m_encoder_init()
486 	e->sampling_rate_hz = S302M_SAMPLING_RATE_HZ;  in vidtv_s302m_encoder_init()
488 	e->last_sample_cb = args.last_sample_cb;  in vidtv_s302m_encoder_init()
490 	e->destroy = vidtv_s302m_encoder_destroy;  in vidtv_s302m_encoder_init()
496 		args.head->next = e;  in vidtv_s302m_encoder_init()
499 	e->next = NULL;  in vidtv_s302m_encoder_init()
501 	return e;  in vidtv_s302m_encoder_init()
504 	vfree(e->encoder_buf);  in vidtv_s302m_encoder_init()
507 	kfree(e->name);  in vidtv_s302m_encoder_init()
508 	kfree(e);  in vidtv_s302m_encoder_init()
512 void vidtv_s302m_encoder_destroy(struct vidtv_encoder *e)  in vidtv_s302m_encoder_destroy()  argument
514 	if (e->id != S302M) {  in vidtv_s302m_encoder_destroy()
519 	vidtv_s302m_access_unit_destroy(e);  in vidtv_s302m_encoder_destroy()
520 	kfree(e->name);  in vidtv_s302m_encoder_destroy()
521 	vfree(e->encoder_buf);  in vidtv_s302m_encoder_destroy()
522 	kfree(e->ctx);  in vidtv_s302m_encoder_destroy()
523 	kfree(e);  in vidtv_s302m_encoder_destroy()