avcodec/dvbsubdec: Compute scoretab without iterating over pixels multiple times...
[ffmpeg.git] / libavcodec / rawenc.c
index 7e3d00b..d181b74 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Raw Video Encoder
- * Copyright (c) 2001 Fabrice Bellard.
+ * Copyright (c) 2001 Fabrice Bellard
  *
  * This file is part of FFmpeg.
  *
  */
 
 /**
- * @file rawenc.c
+ * @file
  * Raw Video Encoder
  */
 
 #include "avcodec.h"
 #include "raw.h"
+#include "internal.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
 
-static av_cold int raw_init_encoder(AVCodecContext *avctx)
+static av_cold int raw_encode_init(AVCodecContext *avctx)
 {
-    avctx->coded_frame = (AVFrame *)avctx->priv_data;
-    avctx->coded_frame->pict_type = FF_I_TYPE;
-    avctx->coded_frame->key_frame = 1;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+    avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc);
     if(!avctx->codec_tag)
         avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
+    avctx->bit_rate = ff_guess_coded_bitrate(avctx);
+
     return 0;
 }
 
-static int raw_encode(AVCodecContext *avctx,
-                            unsigned char *frame, int buf_size, void *data)
+static int raw_encode(AVCodecContext *avctx, AVPacket *pkt,
+                      const AVFrame *frame, int *got_packet)
 {
-    return avpicture_layout((AVPicture *)data, avctx->pix_fmt, avctx->width,
-                                               avctx->height, frame, buf_size);
+    int ret = av_image_get_buffer_size(frame->format,
+                                       frame->width, frame->height, 1);
+
+    if (ret < 0)
+        return ret;
+
+    if ((ret = ff_alloc_packet2(avctx, pkt, ret, ret)) < 0)
+        return ret;
+    if ((ret = av_image_copy_to_buffer(pkt->data, pkt->size,
+                                       (const uint8_t **)frame->data, frame->linesize,
+                                       frame->format,
+                                       frame->width, frame->height, 1)) < 0)
+        return ret;
+
+    if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 &&
+       frame->format   == AV_PIX_FMT_YUYV422) {
+        int x;
+        for(x = 1; x < frame->height*frame->width*2; x += 2)
+            pkt->data[x] ^= 0x80;
+    } else if (avctx->codec_tag == AV_RL32("b64a") && ret > 0 &&
+        frame->format == AV_PIX_FMT_RGBA64BE) {
+        uint64_t v;
+        int x;
+        for (x = 0; x < frame->height * frame->width; x++) {
+            v = AV_RB64(&pkt->data[8 * x]);
+            AV_WB64(&pkt->data[8 * x], v << 48 | v >> 16);
+        }
+    }
+    pkt->flags |= AV_PKT_FLAG_KEY;
+    *got_packet = 1;
+    return 0;
 }
 
-AVCodec rawvideo_encoder = {
-    "rawvideo",
-    CODEC_TYPE_VIDEO,
-    CODEC_ID_RAWVIDEO,
-    sizeof(AVFrame),
-    raw_init_encoder,
-    raw_encode,
-    .long_name = "raw video",
+AVCodec ff_rawvideo_encoder = {
+    .name           = "rawvideo",
+    .long_name      = NULL_IF_CONFIG_SMALL("raw video"),
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = AV_CODEC_ID_RAWVIDEO,
+    .init           = raw_encode_init,
+    .encode2        = raw_encode,
 };