avplay: switch to new refcounted frames API

Remove now unused cmdutils get_buffer() implementation.

avplay.c

@@ -108,9 +108,7 @@ typedef struct VideoPicture {
     int reallocate;
     enum AVPixelFormat pix_fmt;
 
-#if CONFIG_AVFILTER
-    AVFilterBufferRef *picref;
-#endif
+    AVRational sar;
 } VideoPicture;
 
 typedef struct SubPicture {
@@ -217,8 +215,6 @@ typedef struct VideoState {
 #if CONFIG_AVFILTER
     AVFilterContext *in_video_filter;   // the first filter in the video chain
     AVFilterContext *out_video_filter;  // the last filter in the video chain
-    int use_dr1;
-    FrameBuffer *buffer_pool;
 #endif
 
     float skip_frames;
@@ -656,10 +652,10 @@ static void video_image_display(VideoState *is)
     vp = &is->pictq[is->pictq_rindex];
     if (vp->bmp) {
 #if CONFIG_AVFILTER
-         if (vp->picref->video->pixel_aspect.num == 0)
+         if (!vp->sar.num)
              aspect_ratio = 0;
          else
-             aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
+             aspect_ratio = av_q2d(vp->sar);
 #else
 
         /* XXX: use variable in the frame */
@@ -1229,9 +1225,6 @@ static void stream_close(VideoState *is)
     /* free all pictures */
     for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
         vp = &is->pictq[i];
-#if CONFIG_AVFILTER
-        avfilter_unref_bufferp(&vp->picref);
-#endif
         if (vp->bmp) {
             SDL_FreeYUVOverlay(vp->bmp);
             vp->bmp = NULL;
@@ -1279,8 +1272,6 @@ static void alloc_picture(void *opaque)
         SDL_FreeYUVOverlay(vp->bmp);
 
 #if CONFIG_AVFILTER
-    avfilter_unref_bufferp(&vp->picref);
-
     vp->width   = is->out_video_filter->inputs[0]->w;
     vp->height  = is->out_video_filter->inputs[0]->h;
     vp->pix_fmt = is->out_video_filter->inputs[0]->format;
@@ -1369,10 +1360,6 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t
     /* if the frame is not skipped, then display it */
     if (vp->bmp) {
         AVPicture pict = { { 0 } };
-#if CONFIG_AVFILTER
-        avfilter_unref_bufferp(&vp->picref);
-        vp->picref = src_frame->opaque;
-#endif
 
         /* get a pointer on the bitmap */
         SDL_LockYUVOverlay (vp->bmp);
@@ -1432,6 +1419,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t
 static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
 {
     double frame_delay, pts;
+    int ret;
 
     pts = pts1;
 
@@ -1448,7 +1436,9 @@ static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int6
     frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
     is->video_clock += frame_delay;
 
-    return queue_picture(is, src_frame, pts, pos);
+    ret = queue_picture(is, src_frame, pts, pos);
+    av_frame_unref(src_frame);
+    return ret;
 }
 
 static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
@@ -1504,7 +1494,7 @@ static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacke
             is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
             return 1;
         }
-
+        av_frame_unref(frame);
     }
     return 0;
 }
@@ -1572,13 +1562,6 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
     is->in_video_filter  = filt_src;
     is->out_video_filter = filt_out;
 
-    if (codec->codec->capabilities & CODEC_CAP_DR1) {
-        is->use_dr1 = 1;
-        codec->get_buffer     = codec_get_buffer;
-        codec->release_buffer = codec_release_buffer;
-        codec->opaque         = &is->buffer_pool;
-    }
-
     return ret;
 }
 
@@ -1588,7 +1571,7 @@ static int video_thread(void *arg)
 {
     AVPacket pkt = { 0 };
     VideoState *is = arg;
-    AVFrame *frame = avcodec_alloc_frame();
+    AVFrame *frame = av_frame_alloc();
     int64_t pts_int;
     double pts;
     int ret;
@@ -1596,7 +1579,6 @@ static int video_thread(void *arg)
 #if CONFIG_AVFILTER
     AVFilterGraph *graph = avfilter_graph_alloc();
     AVFilterContext *filt_out = NULL, *filt_in = NULL;
-    int64_t pos;
     int last_w = is->video_st->codec->width;
     int last_h = is->video_st->codec->height;
 
@@ -1608,7 +1590,6 @@ static int video_thread(void *arg)
 
     for (;;) {
 #if CONFIG_AVFILTER
-        AVFilterBufferRef *picref;
         AVRational tb;
 #endif
         while (is->paused && !is->videoq.abort_request)
@@ -1639,38 +1620,19 @@ static int video_thread(void *arg)
         }
 
         frame->pts = pts_int;
-        if (is->use_dr1) {
-            FrameBuffer      *buf = frame->opaque;
-            AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
-                                        frame->data, frame->linesize,
-                                        AV_PERM_READ | AV_PERM_PRESERVE,
-                                        frame->width, frame->height,
-                                        frame->format);
-
-            avfilter_copy_frame_props(fb, frame);
-            fb->buf->priv           = buf;
-            fb->buf->free           = filter_release_buffer;
-
-            buf->refcount++;
-            av_buffersrc_buffer(filt_in, fb);
-
-        } else
-            av_buffersrc_write_frame(filt_in, frame);
+        ret = av_buffersrc_add_frame(filt_in, frame);
+        if (ret < 0)
+            goto the_end;
 
         while (ret >= 0) {
-            ret = av_buffersink_read(filt_out, &picref);
+            ret = av_buffersink_get_frame(filt_out, frame);
             if (ret < 0) {
                 ret = 0;
                 break;
             }
 
-            avfilter_copy_buf_props(frame, picref);
-
-            pts_int = picref->pts;
+            pts_int = frame->pts;
             tb      = filt_out->inputs[0]->time_base;
-            pos     = picref->pos;
-            frame->opaque = picref;
-
             if (av_cmp_q(tb, is->video_st->time_base)) {
                 av_unused int64_t pts1 = pts_int;
                 pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
@@ -1680,7 +1642,7 @@ static int video_thread(void *arg)
                         is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
             }
             pts = pts_int * av_q2d(is->video_st->time_base);
-            ret = output_picture2(is, frame, pts, pos);
+            ret = output_picture2(is, frame, pts, 0);
         }
 #else
         pts = pts_int * av_q2d(is->video_st->time_base);
@@ -1690,6 +1652,7 @@ static int video_thread(void *arg)
         if (ret < 0)
             goto the_end;
 
+
         if (step)
             if (cur_stream)
                 stream_pause(cur_stream);
@@ -1700,7 +1663,7 @@ static int video_thread(void *arg)
     avfilter_graph_free(&graph);
 #endif
     av_free_packet(&pkt);
-    avcodec_free_frame(&frame);
+    av_frame_free(&frame);
     return 0;
 }
 
@@ -2090,6 +2053,8 @@ static int stream_component_open(VideoState *is, int stream_index)
 
     if (!av_dict_get(opts, "threads", NULL, 0))
         av_dict_set(&opts, "threads", "auto", 0);
+    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
+        av_dict_set(&opts, "refcounted_frames", "1", 0);
     if (!codec ||
         avcodec_open2(avctx, codec, &opts) < 0)
         return -1;
@@ -2235,9 +2200,6 @@ static void stream_component_close(VideoState *is, int stream_index)
 
     ic->streams[stream_index]->discard = AVDISCARD_ALL;
     avcodec_close(avctx);
-#if CONFIG_AVFILTER
-    free_buffer_pool(&is->buffer_pool);
-#endif
     switch (avctx->codec_type) {
     case AVMEDIA_TYPE_AUDIO:
         is->audio_st = NULL;

cmdutils.c

@@ -1543,129 +1543,3 @@ void *grow_array(void *array, int elem_size, int *size, int new_size)
     }
     return array;
 }
-
-static int alloc_buffer(FrameBuffer **pool, AVCodecContext *s, FrameBuffer **pbuf)
-{
-    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
-    FrameBuffer *buf;
-    int i, ret;
-    int pixel_size;
-    int h_chroma_shift, v_chroma_shift;
-    int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
-    int w = s->width, h = s->height;
-
-    if (!desc)
-        return AVERROR(EINVAL);
-    pixel_size = desc->comp[0].step_minus1 + 1;
-
-    buf = av_mallocz(sizeof(*buf));
-    if (!buf)
-        return AVERROR(ENOMEM);
-
-    if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
-        w += 2*edge;
-        h += 2*edge;
-    }
-
-    avcodec_align_dimensions(s, &w, &h);
-    if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
-                              s->pix_fmt, 32)) < 0) {
-        av_freep(&buf);
-        return ret;
-    }
-
-    av_pix_fmt_get_chroma_sub_sample(s->pix_fmt,
-                                     &h_chroma_shift, &v_chroma_shift);
-
-    for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
-        const int h_shift = i==0 ? 0 : h_chroma_shift;
-        const int v_shift = i==0 ? 0 : v_chroma_shift;
-        if (s->flags & CODEC_FLAG_EMU_EDGE)
-            buf->data[i] = buf->base[i];
-        else if (buf->base[i])
-            buf->data[i] = buf->base[i] +
-                           FFALIGN((buf->linesize[i]*edge >> v_shift) +
-                                   (pixel_size*edge >> h_shift), 32);
-    }
-    buf->w       = s->width;
-    buf->h       = s->height;
-    buf->pix_fmt = s->pix_fmt;
-    buf->pool    = pool;
-
-    *pbuf = buf;
-    return 0;
-}
-
-int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
-{
-    FrameBuffer **pool = s->opaque;
-    FrameBuffer *buf;
-    int ret, i;
-
-    if (!*pool && (ret = alloc_buffer(pool, s, pool)) < 0)
-        return ret;
-
-    buf              = *pool;
-    *pool            = buf->next;
-    buf->next        = NULL;
-    if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
-        av_freep(&buf->base[0]);
-        av_free(buf);
-        if ((ret = alloc_buffer(pool, s, &buf)) < 0)
-            return ret;
-    }
-    buf->refcount++;
-
-    frame->opaque        = buf;
-    frame->type          = FF_BUFFER_TYPE_USER;
-    frame->extended_data = frame->data;
-
-    for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
-        frame->base[i]     = buf->base[i];  // XXX h264.c uses base though it shouldn't
-        frame->data[i]     = buf->data[i];
-        frame->linesize[i] = buf->linesize[i];
-    }
-
-    return 0;
-}
-
-static void unref_buffer(FrameBuffer *buf)
-{
-    FrameBuffer **pool = buf->pool;
-
-    av_assert0(buf->refcount);
-    buf->refcount--;
-    if (!buf->refcount) {
-        buf->next = *pool;
-        *pool = buf;
-    }
-}
-
-void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
-{
-    FrameBuffer *buf = frame->opaque;
-    int i;
-
-    for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
-        frame->data[i] = NULL;
-
-    unref_buffer(buf);
-}
-
-void filter_release_buffer(AVFilterBuffer *fb)
-{
-    FrameBuffer *buf = fb->priv;
-    av_free(fb);
-    unref_buffer(buf);
-}
-
-void free_buffer_pool(FrameBuffer **pool)
-{
-    FrameBuffer *buf = *pool;
-    while (buf) {
-        *pool = buf->next;
-        av_freep(&buf->base[0]);
-        av_free(buf);
-        buf = *pool;
-    }
-}

cmdutils.h

@@ -510,49 +510,6 @@ void *grow_array(void *array, int elem_size, int *size, int new_size);
 #define GROW_ARRAY(array, nb_elems)\
     array = grow_array(array, sizeof(*array), &nb_elems, nb_elems + 1)
 
-typedef struct FrameBuffer {
-    uint8_t *base[4];
-    uint8_t *data[4];
-    int  linesize[4];
-
-    int h, w;
-    enum AVPixelFormat pix_fmt;
-
-    int refcount;
-    struct FrameBuffer **pool;  ///< head of the buffer pool
-    struct FrameBuffer *next;
-} FrameBuffer;
-
-/**
- * Get a frame from the pool. This is intended to be used as a callback for
- * AVCodecContext.get_buffer.
- *
- * @param s codec context. s->opaque must be a pointer to the head of the
- *          buffer pool.
- * @param frame frame->opaque will be set to point to the FrameBuffer
- *              containing the frame data.
- */
-int codec_get_buffer(AVCodecContext *s, AVFrame *frame);
-
-/**
- * A callback to be used for AVCodecContext.release_buffer along with
- * codec_get_buffer().
- */
-void codec_release_buffer(AVCodecContext *s, AVFrame *frame);
-
-/**
- * A callback to be used for AVFilterBuffer.free.
- * @param fb buffer to free. fb->priv must be a pointer to the FrameBuffer
- *           containing the buffer data.
- */
-void filter_release_buffer(AVFilterBuffer *fb);
-
-/**
- * Free all the buffers in the pool. This must be called after all the
- * buffers have been released.
- */
-void free_buffer_pool(FrameBuffer **pool);
-
 #define GET_PIX_FMT_NAME(pix_fmt)\
     const char *name = av_get_pix_fmt_name(pix_fmt);