Lines Matching defs:frame

281 static int decode_speedhq_border(const SHQContext *s, GetBitContext *gb, AVFrame *frame, int field_number, int line_stride)
283     int linesize_y  = frame->linesize[0] * line_stride;
284     int linesize_cb = frame->linesize[1] * line_stride;
285     int linesize_cr = frame->linesize[2] * line_stride;
290         linesize_a = frame->linesize[3] * line_stride;
292     for (int y = 0; y < frame->height; y += 16 * line_stride) {
296         int x = frame->width - 8;
298         dest_y = frame->data[0] + frame->linesize[0] * (y + field_number) + x;
300             dest_cb = frame->data[1] + frame->linesize[1] * (y/2 + field_number) + x / 2;
301             dest_cr = frame->data[2] + frame->linesize[2] * (y/2 + field_number) + x / 2;
304             dest_cb = frame->data[1] + frame->linesize[1] * (y + field_number) + x / 2;
305             dest_cr = frame->data[2] + frame->linesize[2] * (y + field_number) + x / 2;
309             dest_a = frame->data[3] + frame->linesize[3] * (y + field_number) + x;
354 static int decode_speedhq_field(const SHQContext *s, const uint8_t *buf, int buf_size, AVFrame *frame, int field_number, int start, int end, int line_stride)
357     int linesize_y  = frame->linesize[0] * line_stride;
358     int linesize_cb = frame->linesize[1] * line_stride;
359     int linesize_cr = frame->linesize[2] * line_stride;
364         linesize_a = frame->linesize[3] * line_stride;
392         for (y = slice_number * 16 * line_stride; y < frame->height; y += line_stride * 64) {
399             dest_y = frame->data[0] + frame->linesize[0] * (y + field_number);
401                 dest_cb = frame->data[1] + frame->linesize[1] * (y/2 + field_number);
402                 dest_cr = frame->data[2] + frame->linesize[2] * (y/2 + field_number);
404                 dest_cb = frame->data[1] + frame->linesize[1] * (y + field_number);
405                 dest_cr = frame->data[2] + frame->linesize[2] * (y + field_number);
408                 dest_a = frame->data[3] + frame->linesize[3] * (y + field_number);
411             for (x = 0; x < frame->width - 8 * (s->subsampling != SHQ_SUBSAMPLING_444); x += 16) {
480     if (s->subsampling != SHQ_SUBSAMPLING_444 && (frame->width & 15))
481         return decode_speedhq_border(s, &gb, frame, field_number, line_stride);
492 static int speedhq_decode_frame(AVCodecContext *avctx, AVFrame *frame,
522     if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
525     frame->key_frame = 1;
532          * frame as a whole, or of the field. The former would make
537         if ((ret = decode_speedhq_field(s, buf, buf_size, frame, 0, 4, buf_size, 1)) < 0)
540         if ((ret = decode_speedhq_field(s, buf, buf_size, frame, 0, 4, second_field_offset, 2)) < 0)
542         if ((ret = decode_speedhq_field(s, buf, buf_size, frame, 1, second_field_offset, buf_size, 2)) < 0)