*/
/**
-* @file libavcodec/libschroedinger.c
+* @file
* function definitions common to libschroedingerdec.c and libschroedingerenc.c
*/
unsigned int idx = ff_dirac_schro_get_video_format_idx (avccontext);
- return (idx < num_formats) ?
- ff_schro_video_formats[idx] : SCHRO_VIDEO_FORMAT_CUSTOM;
+ return (idx < num_formats) ? ff_schro_video_formats[idx] :
+ SCHRO_VIDEO_FORMAT_CUSTOM;
}
int ff_get_schro_frame_format (SchroChromaFormat schro_pix_fmt,
for (idx = 0; idx < num_formats; ++idx) {
if (ffmpeg_schro_pixel_format_map[idx].schro_pix_fmt == schro_pix_fmt) {
- *schro_frame_fmt =
- ffmpeg_schro_pixel_format_map[idx].schro_frame_fmt;
+ *schro_frame_fmt = ffmpeg_schro_pixel_format_map[idx].schro_frame_fmt;
return 0;
}
}
return -1;
}
+
+static void FreeSchroFrame(SchroFrame *frame, void *priv)
+{
+ AVPicture *p_pic = priv;
+
+ if (!p_pic)
+ return;
+
+ avpicture_free(p_pic);
+ av_freep(&p_pic);
+}
+
+SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
+ SchroFrameFormat schro_frame_fmt)
+{
+ AVPicture *p_pic;
+ SchroFrame *p_frame;
+ int y_width, uv_width;
+ int y_height, uv_height;
+ int i;
+
+ y_width = avccontext->width;
+ y_height = avccontext->height;
+ uv_width = y_width >> (SCHRO_FRAME_FORMAT_H_SHIFT(schro_frame_fmt));
+ uv_height = y_height >> (SCHRO_FRAME_FORMAT_V_SHIFT(schro_frame_fmt));
+
+ p_pic = av_mallocz(sizeof(AVPicture));
+ avpicture_alloc(p_pic, avccontext->pix_fmt, y_width, y_height);
+
+ p_frame = schro_frame_new();
+ p_frame->format = schro_frame_fmt;
+ p_frame->width = y_width;
+ p_frame->height = y_height;
+ schro_frame_set_free_callback(p_frame, FreeSchroFrame, (void *)p_pic);
+
+ for (i = 0; i < 3; ++i) {
+ p_frame->components[i].width = i ? uv_width : y_width;
+ p_frame->components[i].stride = p_pic->linesize[i];
+ p_frame->components[i].height = i ? uv_height : y_height;
+ p_frame->components[i].length =
+ p_frame->components[i].stride * p_frame->components[i].height;
+ p_frame->components[i].data = p_pic->data[i];
+
+ if (i) {
+ p_frame->components[i].v_shift =
+ SCHRO_FRAME_FORMAT_V_SHIFT(p_frame->format);
+ p_frame->components[i].h_shift =
+ SCHRO_FRAME_FORMAT_H_SHIFT(p_frame->format);
+ }
+ }
+
+ return p_frame;
+}