jpeglsenc: switch to encode2().

libavcodec/jpeglsenc.c

@@ -28,6 +28,7 @@
 #include "avcodec.h"
 #include "get_bits.h"
 #include "golomb.h"
+#include "internal.h"
 #include "mathops.h"
 #include "dsputil.h"
 #include "mjpeg.h"
@@ -227,23 +228,19 @@ static void ls_store_lse(JLSState *state, PutBitContext *pb){
     put_bits(pb, 16, state->reset);
 }
 
-static int encode_picture_ls(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
+static int encode_picture_ls(AVCodecContext *avctx, AVPacket *pkt,
+                             const AVFrame *pict, int *got_packet)
+{
     JpeglsContext * const s = avctx->priv_data;
-    AVFrame *pict = data;
     AVFrame * const p= (AVFrame*)&s->picture;
     const int near = avctx->prediction_method;
     PutBitContext pb, pb2;
     GetBitContext gb;
     uint8_t *buf2, *zero, *cur, *last;
     JLSState *state;
-    int i, size;
+    int i, size, ret;
     int comps;
 
-    buf2 = av_malloc(buf_size);
-
-    init_put_bits(&pb, buf, buf_size);
-    init_put_bits(&pb2, buf2, buf_size);
-
     *p = *pict;
     p->pict_type= AV_PICTURE_TYPE_I;
     p->key_frame= 1;
@@ -253,6 +250,17 @@ static int encode_picture_ls(AVCodecContext *avctx, unsigned char *buf, int buf_
     else
         comps = 3;
 
+    if ((ret = ff_alloc_packet(pkt, avctx->width*avctx->height*comps*4 +
+                                    FF_MIN_BUFFER_SIZE)) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+        return ret;
+    }
+
+    buf2 = av_malloc(pkt->size);
+
+    init_put_bits(&pb, pkt->data, pkt->size);
+    init_put_bits(&pb2, buf2, pkt->size);
+
     /* write our own JPEG header, can't use mjpeg_picture_header */
     put_marker(&pb, SOI);
     put_marker(&pb, SOF48);
@@ -366,7 +374,10 @@ static int encode_picture_ls(AVCodecContext *avctx, unsigned char *buf, int buf_
 
     emms_c();
 
-    return put_bits_count(&pb) >> 3;
+    pkt->size   = put_bits_count(&pb) >> 3;
+    pkt->flags |= AV_PKT_FLAG_KEY;
+    *got_packet = 1;
+    return 0;
 }
 
 static av_cold int encode_init_ls(AVCodecContext *ctx) {
@@ -388,7 +399,7 @@ AVCodec ff_jpegls_encoder = { //FIXME avoid MPV_* lossless JPEG should not need
     .id             = CODEC_ID_JPEGLS,
     .priv_data_size = sizeof(JpeglsContext),
     .init           = encode_init_ls,
-    .encode         = encode_picture_ls,
+    .encode2        = encode_picture_ls,
     .pix_fmts       = (const enum PixelFormat[]){PIX_FMT_BGR24, PIX_FMT_RGB24, PIX_FMT_GRAY8, PIX_FMT_GRAY16, PIX_FMT_NONE},
     .long_name      = NULL_IF_CONFIG_SMALL("JPEG-LS"),
 };