lavc: deprecate unused AVCodecContext.stream_codec_tag

[ffmpeg] / libavcodec / pamenc.c

diff --git a/libavcodec/pamenc.c b/libavcodec/pamenc.c
index 646954978d8af20970d33d2c9d2ba6533ddaaeb6..8535d3d235cc20868620d11e23a2f938f40d76b0 100644 (file)
--- a/libavcodec/pamenc.c
+++ b/libavcodec/pamenc.c
@@ -22,14 +22,12 @@
 #include "avcodec.h"
 #include "bytestream.h"
 #include "internal.h"
-#include "pnm.h"
-
 
 static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                             const AVFrame *pict, int *got_packet)
 {
-    PNMContext *s     = avctx->priv_data;
-    AVFrame * const p = &s->picture;
+    uint8_t *bytestream_start, *bytestream, *bytestream_end;
+    const AVFrame * const p = pict;
     int i, h, w, n, linesize, depth, maxval, ret;
     const char *tuple_type;
     uint8_t *ptr;
@@ -41,36 +39,32 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         return ret;
     }
 
-    *p           = *pict;
-    p->pict_type = AV_PICTURE_TYPE_I;
-    p->key_frame = 1;
-
-    s->bytestream_start =
-    s->bytestream       = pkt->data;
-    s->bytestream_end   = pkt->data + pkt->size;
+    bytestream_start =
+    bytestream       = pkt->data;
+    bytestream_end   = pkt->data + pkt->size;
 
     h = avctx->height;
     w = avctx->width;
     switch (avctx->pix_fmt) {
-    case PIX_FMT_MONOWHITE:
+    case AV_PIX_FMT_MONOWHITE:
         n          = (w + 7) >> 3;
         depth      = 1;
         maxval     = 1;
         tuple_type = "BLACKANDWHITE";
         break;
-    case PIX_FMT_GRAY8:
+    case AV_PIX_FMT_GRAY8:
         n          = w;
         depth      = 1;
         maxval     = 255;
         tuple_type = "GRAYSCALE";
         break;
-    case PIX_FMT_RGB24:
+    case AV_PIX_FMT_RGB24:
         n          = w * 3;
         depth      = 3;
         maxval     = 255;
         tuple_type = "RGB";
         break;
-    case PIX_FMT_RGB32:
+    case AV_PIX_FMT_RGB32:
         n          = w * 4;
         depth      = 4;
         maxval     = 255;
@@ -79,51 +73,68 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     default:
         return -1;
     }
-    snprintf(s->bytestream, s->bytestream_end - s->bytestream,
+    snprintf(bytestream, bytestream_end - bytestream,
              "P7\nWIDTH %d\nHEIGHT %d\nDEPTH %d\nMAXVAL %d\nTUPLTYPE %s\nENDHDR\n",
              w, h, depth, maxval, tuple_type);
-    s->bytestream += strlen(s->bytestream);
+    bytestream += strlen(bytestream);
 
     ptr      = p->data[0];
     linesize = p->linesize[0];
 
-    if (avctx->pix_fmt == PIX_FMT_RGB32) {
+    if (avctx->pix_fmt == AV_PIX_FMT_RGB32) {
         int j;
         unsigned int v;
 
         for (i = 0; i < h; i++) {
             for (j = 0; j < w; j++) {
                 v = ((uint32_t *)ptr)[j];
-                bytestream_put_be24(&s->bytestream, v);
-                *s->bytestream++ = v >> 24;
+                bytestream_put_be24(&bytestream, v);
+                *bytestream++ = v >> 24;
             }
             ptr += linesize;
         }
     } else {
         for (i = 0; i < h; i++) {
-            memcpy(s->bytestream, ptr, n);
-            s->bytestream += n;
-            ptr           += linesize;
+            memcpy(bytestream, ptr, n);
+            bytestream += n;
+            ptr        += linesize;
         }
     }
 
-    pkt->size   = s->bytestream - s->bytestream_start;
+    pkt->size   = bytestream - bytestream_start;
     pkt->flags |= AV_PKT_FLAG_KEY;
     *got_packet = 1;
     return 0;
 }
 
+static av_cold int pam_encode_init(AVCodecContext *avctx)
+{
+    avctx->coded_frame = av_frame_alloc();
+    if (!avctx->coded_frame)
+        return AVERROR(ENOMEM);
+
+    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+    avctx->coded_frame->key_frame = 1;
+
+    return 0;
+}
+
+static av_cold int pam_encode_close(AVCodecContext *avctx)
+{
+    av_frame_free(&avctx->coded_frame);
+    return 0;
+}
 
 AVCodec ff_pam_encoder = {
     .name           = "pam",
+    .long_name      = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_PAM,
-    .priv_data_size = sizeof(PNMContext),
-    .init           = ff_pnm_init,
+    .init           = pam_encode_init,
+    .close          = pam_encode_close,
     .encode2        = pam_encode_frame,
-    .pix_fmts       = (const enum PixelFormat[]){
-        PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE,
-        PIX_FMT_NONE
+    .pix_fmts       = (const enum AVPixelFormat[]){
+        AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB32, AV_PIX_FMT_GRAY8, AV_PIX_FMT_MONOWHITE,
+        AV_PIX_FMT_NONE
     },
-    .long_name      = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
 };