static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
{
AVStream *stream = fmt_ctx->streams[stream_idx];
AVCodecContext *dec_ctx;
const AVCodec *dec;
const char *profile;
char val_str[128];
AVRational display_aspect_ratio, *sar = NULL;
const AVPixFmtDescriptor *desc;
probe_object_header("stream");
probe_int("index", stream->index);
if ((dec_ctx = stream->codec)) {
if ((dec = dec_ctx->codec)) {
probe_str("codec_name", dec->name);
probe_str("codec_long_name", dec->long_name);
} else {
probe_str("codec_name", "unknown");
}
probe_str("codec_type", media_type_string(dec_ctx->codec_type));
probe_str("codec_time_base",
rational_string(val_str, sizeof(val_str),
"/", &dec_ctx->time_base));
/* print AVI/FourCC tag */
av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
probe_str("codec_tag_string", val_str);
probe_str("codec_tag", tag_string(val_str, sizeof(val_str),
dec_ctx->codec_tag));
/* print profile, if there is one */
if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
probe_str("profile", profile);
switch (dec_ctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
probe_int("width", dec_ctx->width);
probe_int("height", dec_ctx->height);
probe_int("coded_width", dec_ctx->coded_width);
probe_int("coded_height", dec_ctx->coded_height);
probe_int("has_b_frames", dec_ctx->has_b_frames);
if (dec_ctx->sample_aspect_ratio.num)
sar = &dec_ctx->sample_aspect_ratio;
else if (stream->sample_aspect_ratio.num)
sar = &stream->sample_aspect_ratio;
if (sar) {
probe_str("sample_aspect_ratio",
rational_string(val_str, sizeof(val_str), ":", sar));
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
dec_ctx->width * sar->num, dec_ctx->height * sar->den,
1024*1024);
probe_str("display_aspect_ratio",
rational_string(val_str, sizeof(val_str), ":",
&display_aspect_ratio));
}
desc = av_pix_fmt_desc_get(dec_ctx->pix_fmt);
probe_str("pix_fmt", desc ? desc->name : "unknown");
probe_int("level", dec_ctx->level);
probe_str("color_range", av_color_range_name(dec_ctx->color_range));
probe_str("color_space", av_color_space_name(dec_ctx->colorspace));
probe_str("color_trc", av_color_transfer_name(dec_ctx->color_trc));
probe_str("color_pri", av_color_primaries_name(dec_ctx->color_primaries));
probe_str("chroma_loc", av_chroma_location_name(dec_ctx->chroma_sample_location));
break;
case AVMEDIA_TYPE_AUDIO:
probe_str("sample_rate",
value_string(val_str, sizeof(val_str),
dec_ctx->sample_rate,
unit_hertz_str));
probe_int("channels", dec_ctx->channels);
probe_int("bits_per_sample",
av_get_bits_per_sample(dec_ctx->codec_id));
break;
}
} else {
probe_str("codec_type", "unknown");
}
if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
probe_int("id", stream->id);
probe_str("avg_frame_rate",
rational_string(val_str, sizeof(val_str), "/",
&stream->avg_frame_rate));
if (dec_ctx->bit_rate)
probe_str("bit_rate",
value_string(val_str, sizeof(val_str),
dec_ctx->bit_rate, unit_bit_per_second_str));
probe_str("time_base",
rational_string(val_str, sizeof(val_str), "/",
&stream->time_base));
probe_str("start_time",
time_value_string(val_str, sizeof(val_str),
stream->start_time, &stream->time_base));
probe_str("duration",
time_value_string(val_str, sizeof(val_str),
stream->duration, &stream->time_base));
if (stream->nb_frames)
probe_int("nb_frames", stream->nb_frames);
probe_dict(stream->metadata, "tags");
if (stream->nb_side_data) {
int i, j;
probe_object_header("sidedata");
for (i = 0; i < stream->nb_side_data; i++) {
const AVPacketSideData* sd = &stream->side_data[i];
switch (sd->type) {
case AV_PKT_DATA_DISPLAYMATRIX:
probe_object_header("displaymatrix");
probe_array_header("matrix", 1);
for (j = 0; j < 9; j++)
probe_int(NULL, ((int32_t *)sd->data)[j]);
probe_array_footer("matrix", 1);
probe_int("rotation",
av_display_rotation_get((int32_t *)sd->data));
probe_object_footer("displaymatrix");
break;
}
}
probe_object_footer("sidedata");
}
probe_object_footer("stream");
}
static int filter_frame(AVFilterLink *link, AVFrame *in)
{
TonemapContext *s = link->dst->priv;
AVFilterLink *outlink = link->dst->outputs[0];
AVFrame *out;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
const AVPixFmtDescriptor *odesc = av_pix_fmt_desc_get(outlink->format);
int ret, x, y;
double peak = s->peak;
if (!desc || !odesc) {
av_frame_free(&in);
return AVERROR_BUG;
}
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
}
ret = av_frame_copy_props(out, in);
if (ret < 0) {
av_frame_free(&in);
av_frame_free(&out);
return ret;
}
/* input and output transfer will be linear */
if (in->color_trc == AVCOL_TRC_UNSPECIFIED) {
av_log(s, AV_LOG_WARNING, "Untagged transfer, assuming linear light\n");
out->color_trc = AVCOL_TRC_LINEAR;
} else if (in->color_trc != AVCOL_TRC_LINEAR)
av_log(s, AV_LOG_WARNING, "Tonemapping works on linear light only\n");
/* read peak from side data if not passed in */
if (!peak) {
peak = ff_determine_signal_peak(in);
av_log(s, AV_LOG_DEBUG, "Computed signal peak: %f\n", peak);
}
/* load original color space even if pixel format is RGB to compute overbrights */
s->coeffs = &luma_coefficients[in->colorspace];
if (s->desat > 0 && (in->colorspace == AVCOL_SPC_UNSPECIFIED || !s->coeffs)) {
if (in->colorspace == AVCOL_SPC_UNSPECIFIED)
av_log(s, AV_LOG_WARNING, "Missing color space information, ");
else if (!s->coeffs)
av_log(s, AV_LOG_WARNING, "Unsupported color space '%s', ",
av_color_space_name(in->colorspace));
av_log(s, AV_LOG_WARNING, "desaturation is disabled\n");
s->desat = 0;
}
/* do the tone map */
for (y = 0; y < out->height; y++)
for (x = 0; x < out->width; x++)
tonemap(s, out, in, desc, x, y, peak);
/* copy/generate alpha if needed */
if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
av_image_copy_plane(out->data[3], out->linesize[3],
in->data[3], in->linesize[3],
out->linesize[3], outlink->h);
} else if (odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
for (y = 0; y < out->height; y++) {
for (x = 0; x < out->width; x++) {
AV_WN32(out->data[3] + x * odesc->comp[3].step + y * out->linesize[3],
av_float2int(1.0f));
}
}
}
av_frame_free(&in);
ff_update_hdr_metadata(out, peak);
return ff_filter_frame(outlink, out);
}
