Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / libopencore-amr.c

diff --git a/libavcodec/libopencore-amr.c b/libavcodec/libopencore-amr.c
index 7a0555e6c52dab0b87f55c3045d4fb35476dd555..34e188e6a13f6dd767add5ced318207b0a9a6ac0 100644 (file)
--- a/libavcodec/libopencore-amr.c
+++ b/libavcodec/libopencore-amr.c
@@ -22,6 +22,8 @@
 #include "avcodec.h"
 #include "libavutil/avstring.h"
 #include "libavutil/opt.h"
+#include "audio_frame_queue.h"
+#include "internal.h"
 
 static void amr_decode_fix_avctx(AVCodecContext *avctx)
 {
@@ -33,7 +35,6 @@ static void amr_decode_fix_avctx(AVCodecContext *avctx)
     if (!avctx->channels)
         avctx->channels = 1;
 
-    avctx->frame_size = 160 * is_amr_wb;
     avctx->sample_fmt = AV_SAMPLE_FMT_S16;
 }
 
@@ -85,6 +86,8 @@ typedef struct AMRContext {
     int   enc_bitrate;
     int   enc_mode;
     int   enc_dtx;
+    int   enc_last_frame;
+    AudioFrameQueue afq;
 } AMRContext;
 
 static const AVOption options[] = {
@@ -195,9 +198,13 @@ static av_cold int amr_nb_encode_init(AVCodecContext *avctx)
     }
 
     avctx->frame_size  = 160;
+    avctx->delay       =  50;
+    ff_af_queue_init(avctx, &s->afq);
+#if FF_API_OLD_ENCODE_AUDIO
     avctx->coded_frame = avcodec_alloc_frame();
     if (!avctx->coded_frame)
         return AVERROR(ENOMEM);
+#endif
 
     s->enc_state = Encoder_Interface_init(s->enc_dtx);
     if (!s->enc_state) {
@@ -217,28 +224,68 @@ static av_cold int amr_nb_encode_close(AVCodecContext *avctx)
     AMRContext *s = avctx->priv_data;
 
     Encoder_Interface_exit(s->enc_state);
+    ff_af_queue_close(&s->afq);
+#if FF_API_OLD_ENCODE_AUDIO
     av_freep(&avctx->coded_frame);
+#endif
     return 0;
 }
 
-static int amr_nb_encode_frame(AVCodecContext *avctx,
-                               unsigned char *frame/*out*/,
-                               int buf_size, void *data/*in*/)
+static int amr_nb_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
+                               const AVFrame *frame, int *got_packet_ptr)
 {
     AMRContext *s = avctx->priv_data;
-    int written;
+    int written, ret;
+    int16_t *flush_buf = NULL;
+    const int16_t *samples = frame ? (const int16_t *)frame->data[0] : NULL;
 
     if (s->enc_bitrate != avctx->bit_rate) {
         s->enc_mode    = get_bitrate_mode(avctx->bit_rate, avctx);
         s->enc_bitrate = avctx->bit_rate;
     }
 
-    written = Encoder_Interface_Encode(s->enc_state, s->enc_mode, data,
-                                       frame, 0);
+    if ((ret = ff_alloc_packet(avpkt, 32))) {
+        av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+        return ret;
+    }
+
+    if (frame) {
+        if (frame->nb_samples < avctx->frame_size) {
+            flush_buf = av_mallocz(avctx->frame_size * sizeof(*flush_buf));
+            if (!flush_buf)
+                return AVERROR(ENOMEM);
+            memcpy(flush_buf, samples, frame->nb_samples * sizeof(*flush_buf));
+            samples = flush_buf;
+            if (frame->nb_samples < avctx->frame_size - avctx->delay)
+                s->enc_last_frame = -1;
+        }
+        if ((ret = ff_af_queue_add(&s->afq, frame) < 0)) {
+            av_freep(&flush_buf);
+            return ret;
+        }
+    } else {
+        if (s->enc_last_frame < 0)
+            return 0;
+        flush_buf = av_mallocz(avctx->frame_size * sizeof(*flush_buf));
+        if (!flush_buf)
+            return AVERROR(ENOMEM);
+        samples = flush_buf;
+        s->enc_last_frame = -1;
+    }
+
+    written = Encoder_Interface_Encode(s->enc_state, s->enc_mode, samples,
+                                       avpkt->data, 0);
     av_dlog(avctx, "amr_nb_encode_frame encoded %u bytes, bitrate %u, first byte was %#02x\n",
             written, s->enc_mode, frame[0]);
 
-    return written;
+    /* Get the next frame pts/duration */
+    ff_af_queue_remove(&s->afq, avctx->frame_size, &avpkt->pts,
+                       &avpkt->duration);
+
+    avpkt->size = written;
+    *got_packet_ptr = 1;
+    av_freep(&flush_buf);
+    return 0;
 }
 
 AVCodec ff_libopencore_amrnb_encoder = {
@@ -247,8 +294,9 @@ AVCodec ff_libopencore_amrnb_encoder = {
     .id             = CODEC_ID_AMR_NB,
     .priv_data_size = sizeof(AMRContext),
     .init           = amr_nb_encode_init,
-    .encode         = amr_nb_encode_frame,
+    .encode2        = amr_nb_encode_frame,
     .close          = amr_nb_encode_close,
+    .capabilities   = CODEC_CAP_DELAY | CODEC_CAP_SMALL_LAST_FRAME,
     .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("OpenCORE Adaptive Multi-Rate (AMR) Narrow-Band"),
     .priv_class = &class,