pcmenc: use AVCodec.encode2()

libavcodec/pcm.c

@@ -27,6 +27,7 @@
 #include "avcodec.h"
 #include "libavutil/common.h" /* for av_reverse */
 #include "bytestream.h"
+#include "internal.h"
 #include "pcm_tablegen.h"
 
 #define MAX_CHANNELS 64
@@ -77,10 +78,10 @@ static av_cold int pcm_encode_close(AVCodecContext *avctx)
         bytestream_put_##endian(&dst, v); \
     }
 
-static int pcm_encode_frame(AVCodecContext *avctx,
-                            unsigned char *frame, int buf_size, void *data)
+static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
+                            const AVFrame *frame, int *got_packet_ptr)
 {
-    int n, sample_size, v;
+    int n, sample_size, v, ret;
     const short *samples;
     unsigned char *dst;
     const uint8_t *srcu8;
@@ -91,9 +92,14 @@ static int pcm_encode_frame(AVCodecContext *avctx,
     const uint32_t *samples_uint32_t;
 
     sample_size = av_get_bits_per_sample(avctx->codec->id)/8;
-    n = buf_size / sample_size;
-    samples = data;
-    dst = frame;
+    n           = frame->nb_samples * avctx->channels;
+    samples     = (const short *)frame->data[0];
+
+    if ((ret = ff_alloc_packet(avpkt, n * sample_size))) {
+        av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+        return ret;
+    }
+    dst = avpkt->data;
 
     switch(avctx->codec->id) {
     case CODEC_ID_PCM_U32LE:
@@ -130,7 +136,7 @@ static int pcm_encode_frame(AVCodecContext *avctx,
         ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
         break;
     case CODEC_ID_PCM_S8:
-        srcu8= data;
+        srcu8 = frame->data[0];
         for(;n>0;n--) {
             v = *srcu8++;
             *dst++ = v - 128;
@@ -186,9 +192,10 @@ static int pcm_encode_frame(AVCodecContext *avctx,
     default:
         return -1;
     }
-    //avctx->frame_size = (dst - frame) / (sample_size * avctx->channels);
 
-    return dst - frame;
+    avpkt->size = frame->nb_samples * avctx->channels * sample_size;
+    *got_packet_ptr = 1;
+    return 0;
 }
 
 typedef struct PCMDecode {
@@ -472,7 +479,7 @@ AVCodec ff_ ## name_ ## _encoder = {            \
     .type        = AVMEDIA_TYPE_AUDIO,          \
     .id          = id_,                         \
     .init        = pcm_encode_init,             \
-    .encode      = pcm_encode_frame,            \
+    .encode2     = pcm_encode_frame,            \
     .close       = pcm_encode_close,            \
     .capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
     .sample_fmts = (const enum AVSampleFormat[]){sample_fmt_,AV_SAMPLE_FMT_NONE}, \