libtheoraenc: switch to encode2().

libavcodec/libtheoraenc.c

@@ -35,6 +35,7 @@
 #include "libavutil/log.h"
 #include "libavutil/base64.h"
 #include "avcodec.h"
+#include "internal.h"
 
 /* libtheora includes */
 #include <theora/theoraenc.h>
@@ -260,14 +261,13 @@ static av_cold int encode_init(AVCodecContext* avc_context)
     return 0;
 }
 
-static int encode_frame(AVCodecContext* avc_context, uint8_t *outbuf,
-                        int buf_size, void *data)
+static int encode_frame(AVCodecContext* avc_context, AVPacket *pkt,
+                        const AVFrame *frame, int *got_packet)
 {
     th_ycbcr_buffer t_yuv_buffer;
     TheoraContext *h = avc_context->priv_data;
-    AVFrame *frame = data;
     ogg_packet o_packet;
-    int result, i;
+    int result, i, ret;
 
     // EOS, finish and get 1st pass stats if applicable
     if (!frame) {
@@ -328,18 +328,21 @@ static int encode_frame(AVCodecContext* avc_context, uint8_t *outbuf,
     }
 
     /* Copy ogg_packet content out to buffer */
-    if (buf_size < o_packet.bytes) {
-        av_log(avc_context, AV_LOG_ERROR, "encoded frame too large\n");
-        return -1;
+    if ((ret = ff_alloc_packet(pkt, o_packet.bytes)) < 0) {
+        av_log(avc_context, AV_LOG_ERROR, "Error getting output packet of size %ld.\n", o_packet.bytes);
+        return ret;
     }
-    memcpy(outbuf, o_packet.packet, o_packet.bytes);
+    memcpy(pkt->data, o_packet.packet, o_packet.bytes);
 
     // HACK: assumes no encoder delay, this is true until libtheora becomes
     // multithreaded (which will be disabled unless explictly requested)
-    avc_context->coded_frame->pts = frame->pts;
+    pkt->pts = pkt->dts = frame->pts;
     avc_context->coded_frame->key_frame = !(o_packet.granulepos & h->keyframe_mask);
+    if (avc_context->coded_frame->key_frame)
+        pkt->flags |= AV_PKT_FLAG_KEY;
+    *got_packet = 1;
 
-    return o_packet.bytes;
+    return 0;
 }
 
 static av_cold int encode_close(AVCodecContext* avc_context)
@@ -364,7 +367,7 @@ AVCodec ff_libtheora_encoder = {
     .priv_data_size = sizeof(TheoraContext),
     .init = encode_init,
     .close = encode_close,
-    .encode = encode_frame,
+    .encode2 = encode_frame,
     .capabilities = CODEC_CAP_DELAY, // needed to get the statsfile summary
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("libtheora Theora"),