#include "ffmpeg_audio_stream.h"
#include "ffmpeg_subtitle_stream.h"
#include "util.h"
-#include "warnings.h"
-DCPOMATIC_DISABLE_WARNINGS
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/pixfmt.h>
#include <libavutil/pixdesc.h>
-#include <libavutil/eval.h>
+#include <libavutil/channel_layout.h>
#include <libavutil/display.h>
+#include <libavutil/eval.h>
}
-DCPOMATIC_ENABLE_WARNINGS
+LIBDCP_ENABLE_WARNINGS
#include <iostream>
#include "i18n.h"
for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
auto s = _format_context->streams[i];
-DCPOMATIC_DISABLE_WARNINGS
- if (s->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
-
- /* This is a hack; sometimes it seems that _audio_codec_context->channel_layout isn't set up,
- so bodge it here. No idea why we should have to do this.
- */
-
- if (s->codec->channel_layout == 0) {
- s->codec->channel_layout = av_get_default_channel_layout (s->codec->channels);
- }
+ auto codec = _codec_context[i] ? _codec_context[i]->codec : nullptr;
+ if (s->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && codec) {
DCPOMATIC_ASSERT (_format_context->duration != AV_NOPTS_VALUE);
- DCPOMATIC_ASSERT (s->codec->codec);
- DCPOMATIC_ASSERT (s->codec->codec->name);
+ DCPOMATIC_ASSERT (codec->name);
_audio_streams.push_back (
make_shared<FFmpegAudioStream>(
stream_name (s),
- s->codec->codec->name,
+ codec->name,
s->id,
- s->codec->sample_rate,
- llrint ((double(_format_context->duration) / AV_TIME_BASE) * s->codec->sample_rate),
- s->codec->channels
+ s->codecpar->sample_rate,
+ llrint ((double(_format_context->duration) / AV_TIME_BASE) * s->codecpar->sample_rate),
+ s->codecpar->ch_layout.nb_channels
)
);
- } else if (s->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
- _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (subtitle_stream_name (s), s->id)));
+ } else if (s->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ _subtitle_streams.push_back (make_shared<FFmpegSubtitleStream>(subtitle_stream_name (s), s->id));
}
}
}
}
- auto context = _format_context->streams[packet->stream_index]->codec;
-DCPOMATIC_ENABLE_WARNINGS
+ auto context = _codec_context[packet->stream_index];
if (_video_stream && packet->stream_index == _video_stream.get()) {
video_packet (context, temporal_reference, packet);
av_packet_free (&packet);
- if (_first_video && got_all_audio && temporal_reference.size() >= (PULLDOWN_CHECK_FRAMES * 2)) {
+ if (got_all_audio && (!_video_stream || (_first_video && temporal_reference.size() >= (PULLDOWN_CHECK_FRAMES * 2)))) {
/* All done */
break;
}
}
if (_video_stream) {
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = nullptr;
- packet.size = 0;
-DCPOMATIC_DISABLE_WARNINGS
- auto context = _format_context->streams[*_video_stream]->codec;
-DCPOMATIC_ENABLE_WARNINGS
- while (video_packet(context, temporal_reference, &packet)) {}
+ auto context = _codec_context[_video_stream.get()];
+ while (video_packet(context, temporal_reference, nullptr)) {}
}
for (auto i: _audio_streams) {
- AVPacket packet;
- av_init_packet (&packet);
- packet.data = nullptr;
- packet.size = 0;
-DCPOMATIC_DISABLE_WARNINGS
- audio_packet (i->stream(_format_context)->codec, i, &packet);
-DCPOMATIC_ENABLE_WARNINGS
+ auto context = _codec_context[i->index(_format_context)];
+ audio_packet(context, i, nullptr);
}
if (_video_stream) {
return false;
}
- int frame_finished;
-DCPOMATIC_DISABLE_WARNINGS
- if (avcodec_decode_video2 (context, _frame, &frame_finished, packet) < 0 || !frame_finished) {
- return false;
- }
-DCPOMATIC_ENABLE_WARNINGS
+ bool pending = false;
+ do {
+ int r = avcodec_send_packet (context, packet);
+ if (r < 0) {
+ LOG_WARNING("avcodec_send_packet returned %1 for a video packet", r);
+ }
+
+ /* EAGAIN means we should call avcodec_receive_frame and then re-send the same packet */
+ pending = r == AVERROR(EAGAIN);
+
+ r = avcodec_receive_frame (context, _video_frame);
+ if (r == AVERROR(EAGAIN)) {
+ /* More input is required */
+ return true;
+ } else if (r == AVERROR_EOF) {
+ /* No more output is coming */
+ return false;
+ }
+ } while (pending);
if (!_first_video) {
- _first_video = frame_time (_format_context->streams[_video_stream.get()]);
+ _first_video = frame_time (_video_frame, _format_context->streams[_video_stream.get()]);
}
if (_need_video_length) {
_video_length = frame_time (
+ _video_frame,
_format_context->streams[_video_stream.get()]
).get_value_or (ContentTime ()).frames_round (video_frame_rate().get ());
}
if (temporal_reference.size() < (PULLDOWN_CHECK_FRAMES * 2)) {
- temporal_reference += (_frame->top_field_first ? "T" : "B");
- temporal_reference += (_frame->repeat_pict ? "3" : "2");
+ temporal_reference += (_video_frame->top_field_first ? "T" : "B");
+ temporal_reference += (_video_frame->repeat_pict ? "3" : "2");
}
return true;
return;
}
- int frame_finished;
-DCPOMATIC_DISABLE_WARNINGS
- if (avcodec_decode_audio4 (context, _frame, &frame_finished, packet) >= 0 && frame_finished) {
-DCPOMATIC_ENABLE_WARNINGS
- stream->first_audio = frame_time (stream->stream (_format_context));
+ int r = avcodec_send_packet (context, packet);
+ if (r < 0) {
+ LOG_WARNING("avcodec_send_packet returned %1 for an audio packet", r);
+ return;
+ }
+
+ auto frame = audio_frame (stream);
+
+ if (avcodec_receive_frame (context, frame) < 0) {
+ return;
}
+
+ stream->first_audio = frame_time (frame, stream->stream(_format_context));
}
optional<ContentTime>
-FFmpegExaminer::frame_time (AVStream* s) const
+FFmpegExaminer::frame_time (AVFrame* frame, AVStream* stream) const
{
optional<ContentTime> t;
-DCPOMATIC_DISABLE_WARNINGS
- int64_t const bet = av_frame_get_best_effort_timestamp (_frame);
-DCPOMATIC_ENABLE_WARNINGS
+ int64_t const bet = frame->best_effort_timestamp;
if (bet != AV_NOPTS_VALUE) {
- t = ContentTime::from_seconds (bet * av_q2d (s->time_base));
+ t = ContentTime::from_seconds (bet * av_q2d(stream->time_base));
}
return t;
return VideoRange::FULL;
}
}
+
+
+PixelQuanta
+FFmpegExaminer::pixel_quanta () const
+{
+ auto const desc = av_pix_fmt_desc_get(video_codec_context()->pix_fmt);
+ DCPOMATIC_ASSERT (desc);
+ return { 1 << desc->log2_chroma_w, 1 << desc->log2_chroma_h };
+}
+