avcodec: Drop long-deprecated imgconvert.h header

[ffmpeg] / libavcodec / libschroedinger.h

diff --git a/libavcodec/libschroedinger.h b/libavcodec/libschroedinger.h
index 71aa1b22511d300f07616e00c1f2f835f13c3033..8d04d2cdcbc0a02218850534bfe8d93e8ad1dfd5 100644 (file)
--- a/libavcodec/libschroedinger.h
+++ b/libavcodec/libschroedinger.h
@@ -1,26 +1,26 @@
 /*
  * Copyright (c) 2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot com >
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
-* @file libavcodec/libschroedinger.h
-* data structures common to libschroedingerdec.c and libschroedingerenc.c
+* @file
+* data structures common to libschroedinger decoder and encoder
 */
 
 #ifndef AVCODEC_LIBSCHROEDINGER_H
@@ -28,13 +28,83 @@
 
 #include <schroedinger/schrobitstream.h>
 #include <schroedinger/schroframe.h>
+
 #include "avcodec.h"
 
+typedef struct {
+    uint16_t width;
+    uint16_t height;
+    uint16_t frame_rate_num;
+    uint16_t frame_rate_denom;
+} SchroVideoFormatInfo;
+
+/**
+* contains a single encoded frame returned from Dirac or Schroedinger
+*/
+typedef struct FFSchroEncodedFrame {
+    /** encoded frame data */
+    uint8_t *p_encbuf;
+
+    /** encoded frame size */
+    uint32_t size;
+
+    /** encoded frame number. Will be used as pts */
+    uint32_t frame_num;
+
+    /** key frame flag. 1 : is key frame , 0 : in not key frame */
+    uint16_t key_frame;
+} FFSchroEncodedFrame;
+
+/**
+* queue element
+*/
+typedef struct FFSchroQueueElement {
+    /** Data to be stored in queue*/
+    void *data;
+    /** Pointer to next element queue */
+    struct FFSchroQueueElement *next;
+} FFSchroQueueElement;
+
+
+/**
+* A simple queue implementation used in libschroedinger
+*/
+typedef struct FFSchroQueue {
+    /** Pointer to head of queue */
+    FFSchroQueueElement *p_head;
+    /** Pointer to tail of queue */
+    FFSchroQueueElement *p_tail;
+    /** Queue size*/
+    int size;
+} FFSchroQueue;
+
+/**
+* Initialise the queue
+*/
+void ff_schro_queue_init(FFSchroQueue *queue);
+
+/**
+* Add an element to the end of the queue
+*/
+int ff_schro_queue_push_back(FFSchroQueue *queue, void *p_data);
+
+/**
+* Return the first element in the queue
+*/
+void *ff_schro_queue_pop(FFSchroQueue *queue);
+
+/**
+* Free the queue resources. free_func is a function supplied by the caller to
+* free any resources allocated by the caller. The data field of the queue
+* element is passed to it.
+*/
+void ff_schro_queue_free(FFSchroQueue *queue, void (*free_func)(void *));
+
 static const struct {
     enum PixelFormat  ff_pix_fmt;
     SchroChromaFormat schro_pix_fmt;
     SchroFrameFormat  schro_frame_fmt;
-} ffmpeg_schro_pixel_format_map[] = {
+} schro_pixel_format_map[] = {
     { PIX_FMT_YUV420P, SCHRO_CHROMA_420, SCHRO_FRAME_FORMAT_U8_420 },
     { PIX_FMT_YUV422P, SCHRO_CHROMA_422, SCHRO_FRAME_FORMAT_U8_422 },
     { PIX_FMT_YUV444P, SCHRO_CHROMA_444, SCHRO_FRAME_FORMAT_U8_444 },
@@ -53,4 +123,11 @@ SchroVideoFormatEnum ff_get_schro_video_format_preset (AVCodecContext *avccontex
 int ff_get_schro_frame_format(SchroChromaFormat schro_chroma_fmt,
                               SchroFrameFormat  *schro_frame_fmt);
 
+/**
+* Create a Schro frame based on the dimensions and frame format
+* passed. Returns a pointer to a frame on success, NULL on failure.
+*/
+SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
+                                  SchroFrameFormat schro_frame_fmt);
+
 #endif /* AVCODEC_LIBSCHROEDINGER_H */