63 static int codec_mpeg12_start(struct amvdec_session *sess)  in codec_mpeg12_start()  argument
65 	struct amvdec_core *core = sess->core;  in codec_mpeg12_start()
83 	ret = amvdec_set_canvases(sess, (u32[]){ AV_SCRATCH_0, 0 },  in codec_mpeg12_start()
98 	amvdec_write_dos(core, MREG_CMD, (sess->width << 16) | sess->height);  in codec_mpeg12_start()
103 	sess->keyframe_found = 1;  in codec_mpeg12_start()
104 	sess->priv = mpeg12;  in codec_mpeg12_start()
117 static int codec_mpeg12_stop(struct amvdec_session *sess)  in codec_mpeg12_stop()  argument
119 	struct codec_mpeg12 *mpeg12 = sess->priv;  in codec_mpeg12_stop()
120 	struct amvdec_core *core = sess->core;  in codec_mpeg12_stop()
130 static void codec_mpeg12_update_dar(struct amvdec_session *sess)  in codec_mpeg12_update_dar()  argument
132 	struct amvdec_core *core = sess->core;  in codec_mpeg12_update_dar()
138 		amvdec_set_par_from_dar(sess, 4, 3);  in codec_mpeg12_update_dar()
141 		amvdec_set_par_from_dar(sess, 16, 9);  in codec_mpeg12_update_dar()
144 		amvdec_set_par_from_dar(sess, 221, 100);  in codec_mpeg12_update_dar()
147 		sess->pixelaspect.numerator = 1;  in codec_mpeg12_update_dar()
148 		sess->pixelaspect.denominator = 1;  in codec_mpeg12_update_dar()
153 static irqreturn_t codec_mpeg12_threaded_isr(struct amvdec_session *sess)  in codec_mpeg12_threaded_isr()  argument
155 	struct amvdec_core *core = sess->core;  in codec_mpeg12_threaded_isr()
167 		amvdec_abort(sess);  in codec_mpeg12_threaded_isr()
187 	codec_mpeg12_update_dar(sess);  in codec_mpeg12_threaded_isr()
190 	amvdec_dst_buf_done_idx(sess, buffer_index, offset, field);  in codec_mpeg12_threaded_isr()
197 static irqreturn_t codec_mpeg12_isr(struct amvdec_session *sess)  in codec_mpeg12_isr()  argument