On Wed, 29 Feb 2012, Justin Ruggles wrote:

---
libavcodec/Makefile   |    3 +-
libavcodec/ra144.h    |    2 +
libavcodec/ra144enc.c |   50 ++++++++++++++++++++++++++++++++++--------------
3 files changed, 39 insertions(+), 16 deletions(-)

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 86efe39..e03fc67 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -319,7 +319,8 @@ OBJS-$(CONFIG_QTRLE_ENCODER)           += qtrleenc.o
OBJS-$(CONFIG_R10K_DECODER)            += r210dec.o
OBJS-$(CONFIG_R210_DECODER)            += r210dec.o
OBJS-$(CONFIG_RA_144_DECODER)          += ra144dec.o ra144.o celp_filters.o
-OBJS-$(CONFIG_RA_144_ENCODER)          += ra144enc.o ra144.o celp_filters.o
+OBJS-$(CONFIG_RA_144_ENCODER)          += ra144enc.o ra144.o celp_filters.o \
+                                          audio_frame_queue.o
OBJS-$(CONFIG_RA_288_DECODER)          += ra288.o celp_math.o celp_filters.o
OBJS-$(CONFIG_RAWVIDEO_DECODER)        += rawdec.o
OBJS-$(CONFIG_RAWVIDEO_ENCODER)        += rawenc.o
diff --git a/libavcodec/ra144.h b/libavcodec/ra144.h
index 189c73a..967afe0 100644
--- a/libavcodec/ra144.h
+++ b/libavcodec/ra144.h
@@ -24,6 +24,7 @@

#include <stdint.h>
#include "lpc.h"
+#include "audio_frame_queue.h"

#define NBLOCKS         4       ///< number of subblocks within a block
#define BLOCKSIZE       40      ///< subblock size in 16-bit words
@@ -36,6 +37,7 @@ typedef struct {
    AVCodecContext *avctx;
    AVFrame frame;
    LPCContext lpc_ctx;
+    AudioFrameQueue afq;
    int last_frame;

    unsigned int     old_energy;        ///< previous frame energy
diff --git a/libavcodec/ra144enc.c b/libavcodec/ra144enc.c
index aec2d6d..a561f2a 100644
--- a/libavcodec/ra144enc.c
+++ b/libavcodec/ra144enc.c
@@ -28,6 +28,8 @@
#include <float.h>

#include "avcodec.h"
+#include "audio_frame_queue.h"
+#include "internal.h"
#include "put_bits.h"
#include "celp_filters.h"
#include "ra144.h"
@@ -37,7 +39,10 @@ static av_cold int ra144_encode_close(AVCodecContext *avctx)
{
    RA144Context *ractx = avctx->priv_data;
    ff_lpc_end(&ractx->lpc_ctx);
+    ff_af_queue_close(&ractx->afq);
+#if FF_API_OLD_ENCODE_AUDIO
    av_freep(&avctx->coded_frame);
+#endif
    return 0;
}

@@ -64,11 +69,15 @@ static av_cold int ra144_encode_init(AVCodecContext * avctx)
    if (ret < 0)
        goto error;

+    ff_af_queue_init(avctx, &ractx->afq);
+
+#if FF_API_OLD_ENCODE_AUDIO
    avctx->coded_frame = avcodec_alloc_frame();
    if (!avctx->coded_frame) {
        ret = AVERROR(ENOMEM);
        goto error;
    }
+#endif

    return 0;
error:
@@ -429,8 +438,8 @@ static void ra144_encode_subblock(RA144Context *ractx,
}


-static int ra144_encode_frame(AVCodecContext *avctx, uint8_t *frame,
-                              int buf_size, void *data)
+static int ra144_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
+                              const AVFrame *frame, int *got_packet_ptr)
{
    static const uint8_t sizes[LPC_ORDER] = {64, 32, 32, 16, 16, 8, 8, 8, 8, 4};
    static const uint8_t bit_sizes[LPC_ORDER] = {6, 5, 5, 4, 4, 3, 3, 3, 3, 2};
@@ -442,16 +451,18 @@ static int ra144_encode_frame(AVCodecContext *avctx, 
uint8_t *frame,
    int16_t block_coefs[NBLOCKS][LPC_ORDER];
    int lpc_refl[LPC_ORDER];    /**< reflection coefficients of the frame */
    unsigned int refl_rms[NBLOCKS]; /**< RMS of the reflection coefficients */
-    const int16_t *samples = data;
+    const int16_t *samples = frame ? (const int16_t *)frame->data[0] : NULL;
    int energy = 0;
-    int i, idx;
+    int i, idx, ret;

-    if (ractx->last_frame)
+    if (ractx->last_frame) {
+        *got_packet_ptr = 0;
        return 0;
+    }

Redundant, since this is already set in avcodec_encode_audio2?

-    if (buf_size < FRAMESIZE) {
-        av_log(avctx, AV_LOG_ERROR, "output buffer too small\n");
-        return 0;
+    if ((ret = ff_alloc_packet(avpkt, FRAMESIZE))) {
+        av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+        return ret;
    }

    /**
@@ -465,9 +476,9 @@ static int ra144_encode_frame(AVCodecContext *avctx, 
uint8_t *frame,
        lpc_data[i] = ractx->curr_block[BLOCKSIZE + BLOCKSIZE / 2 + i];
        energy += (lpc_data[i] * lpc_data[i]) >> 4;
    }
-    if (data) {
+    if (frame) {
        int j;
-        for (j = 0; j < avctx->frame_size && i < NBLOCKS * BLOCKSIZE; i++, 
j++) {
+        for (j = 0; j < frame->nb_samples && i < NBLOCKS * BLOCKSIZE; i++, 
j++) {
            lpc_data[i] = samples[j] >> 2;
            energy += (lpc_data[i] * lpc_data[i]) >> 4;
        }
@@ -499,7 +510,7 @@ static int ra144_encode_frame(AVCodecContext *avctx, 
uint8_t *frame,
            memset(lpc_refl, 0, sizeof(lpc_refl));
        }
    }
-    init_put_bits(&pb, frame, buf_size);
+    init_put_bits(&pb, avpkt->data, avpkt->size);
    for (i = 0; i < LPC_ORDER; i++) {
        idx = quantize(lpc_refl[i], ff_lpc_refl_cb[i], sizes[i]);
        put_bits(&pb, bit_sizes[i], idx);
@@ -525,15 +536,24 @@ static int ra144_encode_frame(AVCodecContext *avctx, 
uint8_t *frame,

    /* copy input samples to current block for processing in next call */
    i = 0;
-    if (data) {
-        for (; i < avctx->frame_size; i++)
+    if (frame) {
+        for (; i < frame->nb_samples; i++)
            ractx->curr_block[i] = samples[i] >> 2;
+
+        if ((ret = ff_af_queue_add(&ractx->afq, frame) < 0))
+            return ret;
    } else
        ractx->last_frame = 1;
    memset(&ractx->curr_block[i], 0,
           (NBLOCKS * BLOCKSIZE - i) * sizeof(*ractx->curr_block));

-    return FRAMESIZE;
+    /* Get the next frame pts/duration */
+    ff_af_queue_remove(&ractx->afq, avctx->frame_size, &avpkt->pts,
+                       &avpkt->duration);
+
+    avpkt->size = FRAMESIZE;
+    *got_packet_ptr = 1;
+    return 0;
}


@@ -543,7 +563,7 @@ AVCodec ff_ra_144_encoder = {
    .id             = CODEC_ID_RA_144,
    .priv_data_size = sizeof(RA144Context),
    .init           = ra144_encode_init,
-    .encode         = ra144_encode_frame,
+    .encode2        = ra144_encode_frame,
    .close          = ra144_encode_close,
    .capabilities   = CODEC_CAP_DELAY | CODEC_CAP_SMALL_LAST_FRAME,
    .sample_fmts    = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,
--
1.7.1

LGTM otherwise.

// Martin
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