Merge commit '14f031d7ecfabba0ef02776d4516aa3dcb7c40d8'

* commit '14f031d7ecfabba0ef02776d4516aa3dcb7c40d8':
  dv: use AVStream.index instead of abusing AVStream.id
  lavfi: add ashowinfo filter
  avcodec: Add a RFC 3389 comfort noise codec
  lpc: Add a function for calculating reflection coefficients from samples
  lpc: Add a function for calculating reflection coefficients from autocorrelation coefficients
  lavr: document upper bound on number of output samples.
  lavr: add general API usage doxy
  indeo3: remove duplicate capabilities line.
  fate: ac3: Add dependencies

Conflicts:
	Changelog
	doc/filters.texi
	libavcodec/Makefile
	libavcodec/allcodecs.c
	libavcodec/avcodec.h
	libavcodec/codec_desc.c
	libavcodec/version.h
	libavfilter/Makefile
	libavfilter/af_ashowinfo.c
	libavfilter/allfilters.c
	libavfilter/version.h
	libavutil/avutil.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 87 insertions, 54 deletions

diff --git a/libavfilter/af_ashowinfo.c b/libavfilter/af_ashowinfo.c
index 25a5e2ca67..1a70deee28 100644
--- a/libavfilter/af_ashowinfo.c
+++ b/libavfilter/af_ashowinfo.c
@@ -23,84 +23,117 @@
  * filter for showing textual audio frame information
  */
 
+#include <inttypes.h>
+#include <stddef.h>
+
 #include "libavutil/adler32.h"
 #include "libavutil/audioconvert.h"
+#include "libavutil/common.h"
+#include "libavutil/mem.h"
 #include "libavutil/timestamp.h"
+#include "libavutil/samplefmt.h"
+
 #include "audio.h"
 #include "avfilter.h"
 
-typedef struct {
-    unsigned int frame;
-} ShowInfoContext;
+typedef struct AShowInfoContext {
+    /**
+     * Scratch space for individual plane checksums for planar audio
+     */
+    uint32_t *plane_checksums;
+
+    /**
+     * Frame counter
+     */
+    uint64_t frame;
+} AShowInfoContext;
 
-static av_cold int init(AVFilterContext *ctx, const char *args)
+static int config_input(AVFilterLink *inlink)
 {
-    ShowInfoContext *showinfo = ctx->priv;
-    showinfo->frame = 0;
+    AShowInfoContext *s = inlink->dst->priv;
+    int channels = av_get_channel_layout_nb_channels(inlink->channel_layout);
+    s->plane_checksums = av_malloc(channels * sizeof(*s->plane_checksums));
+    if (!s->plane_checksums)
+        return AVERROR(ENOMEM);
+
     return 0;
 }
 
-static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *samplesref)
+static void uninit(AVFilterContext *ctx)
+{
+    AShowInfoContext *s = ctx->priv;
+    av_freep(&s->plane_checksums);
+}
+
+static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *buf)
 {
     AVFilterContext *ctx = inlink->dst;
-    ShowInfoContext *showinfo = ctx->priv;
-    uint32_t plane_checksum[8] = {0}, checksum = 0;
+    AShowInfoContext *s  = ctx->priv;
     char chlayout_str[128];
-    int plane;
-    int linesize =
-        samplesref->audio->nb_samples *
-        av_get_bytes_per_sample(samplesref->format);
-    if (!av_sample_fmt_is_planar(samplesref->format))
-        linesize *= av_get_channel_layout_nb_channels(samplesref->audio->channel_layout);
-
-    for (plane = 0; plane < 8 && samplesref->data[plane]; plane++) {
-        uint8_t *data = samplesref->data[plane];
-
-        plane_checksum[plane] = av_adler32_update(plane_checksum[plane],
-                                                  data, linesize);
-        checksum = av_adler32_update(checksum, data, linesize);
+    uint32_t checksum = 0;
+    int channels    = av_get_channel_layout_nb_channels(buf->audio->channel_layout);
+    int planar      = av_sample_fmt_is_planar(buf->format);
+    int block_align = av_get_bytes_per_sample(buf->format) * (planar ? 1 : channels);
+    int data_size   = buf->audio->nb_samples * block_align;
+    int planes      = planar ? channels : 1;
+    int i;
+
+    for (i = 0; i < planes; i++) {
+        uint8_t *data = buf->extended_data[i];
+
+        s->plane_checksums[i] = av_adler32_update(0, data, data_size);
+        checksum = i ? av_adler32_update(checksum, data, data_size) :
+                       s->plane_checksums[0];
     }
 
     av_get_channel_layout_string(chlayout_str, sizeof(chlayout_str), -1,
-                                 samplesref->audio->channel_layout);
+                                 buf->audio->channel_layout);
 
     av_log(ctx, AV_LOG_INFO,
-           "n:%d pts:%s pts_time:%s pos:%"PRId64" "
-           "fmt:%s chlayout:%s nb_samples:%d rate:%d "
-           "checksum:%08X plane_checksum[%08X",
-           showinfo->frame,
-           av_ts2str(samplesref->pts), av_ts2timestr(samplesref->pts, &inlink->time_base),
-           samplesref->pos,
-           av_get_sample_fmt_name(samplesref->format),
-           chlayout_str,
-           samplesref->audio->nb_samples,
-           samplesref->audio->sample_rate,
-           checksum,
-           plane_checksum[0]);
-
-    for (plane = 1; plane < 8 && samplesref->data[plane]; plane++)
-        av_log(ctx, AV_LOG_INFO, " %08X", plane_checksum[plane]);
+           "n:%"PRIu64" pts:%s pts_time:%s pos:%"PRId64" "
+           "fmt:%s chlayout:%s rate:%d nb_samples:%d "
+           "checksum:%08X ",
+           s->frame,
+           av_ts2str(buf->pts), av_ts2timestr(buf->pts, &inlink->time_base),
+           buf->pos,
+           av_get_sample_fmt_name(buf->format), chlayout_str,
+           buf->audio->sample_rate, buf->audio->nb_samples,
+           checksum);
+
+    av_log(ctx, AV_LOG_INFO, "plane_checksums: [ ");
+    for (i = 0; i < planes; i++)
+        av_log(ctx, AV_LOG_INFO, "%08X ", s->plane_checksums[i]);
     av_log(ctx, AV_LOG_INFO, "]\n");
 
-    showinfo->frame++;
-    return ff_filter_samples(inlink->dst->outputs[0], samplesref);
+    s->frame++;
+    return ff_filter_samples(inlink->dst->outputs[0], buf);
 }
 
+static const AVFilterPad inputs[] = {
+    {
+        .name       = "default",
+        .type             = AVMEDIA_TYPE_AUDIO,
+        .get_audio_buffer = ff_null_get_audio_buffer,
+        .config_props     = config_input,
+        .filter_samples   = filter_samples,
+        .min_perms        = AV_PERM_READ,
+    },
+    { NULL },
+};
+
+static const AVFilterPad outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_AUDIO,
+    },
+    { NULL },
+};
+
 AVFilter avfilter_af_ashowinfo = {
     .name        = "ashowinfo",
     .description = NULL_IF_CONFIG_SMALL("Show textual information for each audio frame."),
-
-    .priv_size = sizeof(ShowInfoContext),
-    .init      = init,
-
-    .inputs    = (const AVFilterPad[]) {{ .name       = "default",
-                                    .type             = AVMEDIA_TYPE_AUDIO,
-                                    .get_audio_buffer = ff_null_get_audio_buffer,
-                                    .filter_samples   = filter_samples,
-                                    .min_perms        = AV_PERM_READ, },
-                                  { .name = NULL}},
-
-    .outputs   = (const AVFilterPad[]) {{ .name       = "default",
-                                    .type             = AVMEDIA_TYPE_AUDIO },
-                                  { .name = NULL}},
+    .priv_size   = sizeof(AShowInfoContext),
+    .uninit      = uninit,
+    .inputs      = inputs,
+    .outputs     = outputs,
 };