aboutsummaryrefslogtreecommitdiff
path: root/src/main.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/main.cpp')
-rw-r--r--src/main.cpp150
1 files changed, 66 insertions, 84 deletions
diff --git a/src/main.cpp b/src/main.cpp
index 1ef3646..c7b9f71 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -311,7 +311,7 @@ static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream,
bool &frames_erased,
std::mutex &write_output_mutex) {
AVPacket av_packet;
- av_init_packet(&av_packet);
+ memset(&av_packet, 0, sizeof(av_packet));
for (;;) {
av_packet.data = NULL;
av_packet.size = 0;
@@ -356,26 +356,26 @@ static void receive_frames(AVCodecContext *av_codec_context, AVStream *stream,
//av_packet_unref(&av_packet);
}
-static AVStream *add_audio_stream(AVFormatContext *av_format_context, AVCodec **codec,
- enum AVCodecID codec_id) {
- *codec = avcodec_find_encoder(AV_CODEC_ID_AAC);
- if (!*codec) {
+static AVStream *add_audio_stream(AVFormatContext *av_format_context, AVCodecContext **audio_codec_context, int fps) {
+ const AVCodec *codec = avcodec_find_encoder(AV_CODEC_ID_AAC);
+ if (!codec) {
fprintf(
stderr,
"Error: Could not find aac encoder\n");
exit(1);
}
- AVStream *stream = avformat_new_stream(av_format_context, *codec);
+ AVStream *stream = avformat_new_stream(av_format_context, nullptr);
if (!stream) {
fprintf(stderr, "Error: Could not allocate stream\n");
exit(1);
}
stream->id = av_format_context->nb_streams - 1;
fprintf(stderr, "audio stream id: %d\n", stream->id);
- AVCodecContext *codec_context = stream->codec;
- assert((*codec)->type == AVMEDIA_TYPE_AUDIO);
+ AVCodecContext *codec_context = avcodec_alloc_context3(codec);
+
+ assert(codec->type == AVMEDIA_TYPE_AUDIO);
/*
codec_context->sample_fmt = (*codec)->sample_fmts
? (*codec)->sample_fmts[0]
@@ -388,6 +388,14 @@ static AVStream *add_audio_stream(AVFormatContext *av_format_context, AVCodec **
codec_context->channel_layout = AV_CH_LAYOUT_STEREO;
codec_context->channels = 2;
+ codec_context->time_base.num = 1;
+ codec_context->time_base.den = fps;
+
+ stream->time_base = codec_context->time_base;
+ stream->avg_frame_rate = av_inv_q(codec_context->time_base);
+
+ *audio_codec_context = codec_context;
+
// Some formats want stream headers to be seperate
//if (av_format_context->oformat->flags & AVFMT_GLOBALHEADER)
// av_format_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
@@ -395,35 +403,36 @@ static AVStream *add_audio_stream(AVFormatContext *av_format_context, AVCodec **
return stream;
}
-static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **codec,
+static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodecContext **video_codec_context,
VideoQuality video_quality,
int texture_width, int texture_height,
int fps, bool use_hevc) {
- *codec = avcodec_find_encoder_by_name(use_hevc ? "hevc_nvenc" : "h264_nvenc");
- if (!*codec) {
- *codec = avcodec_find_encoder_by_name(use_hevc ? "nvenc_hevc" : "nvenc_h264");
+ const AVCodec *codec = avcodec_find_encoder_by_name(use_hevc ? "hevc_nvenc" : "h264_nvenc");
+ if (!codec) {
+ codec = avcodec_find_encoder_by_name(use_hevc ? "nvenc_hevc" : "nvenc_h264");
}
- if (!*codec) {
+ if (!codec) {
fprintf(
stderr,
"Error: Could not find %s encoder\n", use_hevc ? "hevc" : "h264");
exit(1);
}
- AVStream *stream = avformat_new_stream(av_format_context, *codec);
+ AVStream *stream = avformat_new_stream(av_format_context, nullptr);
if (!stream) {
fprintf(stderr, "Error: Could not allocate stream\n");
exit(1);
}
stream->id = av_format_context->nb_streams - 1;
fprintf(stderr, "video stream id: %d\n", stream->id);
- AVCodecContext *codec_context = stream->codec;
+
+ AVCodecContext *codec_context = avcodec_alloc_context3(codec);
//double fps_ratio = (double)fps / 30.0;
- assert((*codec)->type == AVMEDIA_TYPE_VIDEO);
- codec_context->codec_id = (*codec)->id;
- fprintf(stderr, "codec id: %d\n", (*codec)->id);
+ assert(codec->type == AVMEDIA_TYPE_VIDEO);
+ codec_context->codec_id = codec->id;
+ fprintf(stderr, "codec id: %d\n", codec->id);
codec_context->width = texture_width & ~1;
codec_context->height = texture_height & ~1;
codec_context->bit_rate = 7500000 + (codec_context->width * codec_context->height) / 2;
@@ -478,14 +487,14 @@ static AVStream *add_video_stream(AVFormatContext *av_format_context, AVCodec **
if (av_format_context->oformat->flags & AVFMT_GLOBALHEADER)
av_format_context->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
+ *video_codec_context = codec_context;
+
return stream;
}
-static AVFrame* open_audio(AVCodec *codec, AVStream *stream) {
+static AVFrame* open_audio(AVCodecContext *audio_codec_context) {
int ret;
- AVCodecContext *codec_context = stream->codec;
-
- ret = avcodec_open2(codec_context, codec, nullptr);
+ ret = avcodec_open2(audio_codec_context, audio_codec_context->codec, nullptr);
if(ret < 0) {
fprintf(stderr, "failed to open codec, reason: %s\n", av_error_to_string(ret));
exit(1);
@@ -497,10 +506,10 @@ static AVFrame* open_audio(AVCodec *codec, AVStream *stream) {
exit(1);
}
- frame->nb_samples = codec_context->frame_size;
- frame->format = codec_context->sample_fmt;
- frame->channels = codec_context->channels;
- frame->channel_layout = codec_context->channel_layout;
+ frame->nb_samples = audio_codec_context->frame_size;
+ frame->format = audio_codec_context->sample_fmt;
+ frame->channels = audio_codec_context->channels;
+ frame->channel_layout = audio_codec_context->channel_layout;
ret = av_frame_get_buffer(frame, 0);
if(ret < 0) {
@@ -511,11 +520,10 @@ static AVFrame* open_audio(AVCodec *codec, AVStream *stream) {
return frame;
}
-static void open_video(AVCodec *codec, AVStream *stream,
+static void open_video(AVCodecContext *codec_context,
WindowPixmap &window_pixmap, AVBufferRef **device_ctx,
CUgraphicsResource *cuda_graphics_resource) {
int ret;
- AVCodecContext *codec_context = stream->codec;
std::vector<std::string> hardware_accelerated_devices =
get_hardware_acceleration_device_names();
@@ -559,7 +567,7 @@ static void open_video(AVCodec *codec, AVStream *stream,
codec_context->hw_device_ctx = *device_ctx;
codec_context->hw_frames_ctx = frame_context;
- ret = avcodec_open2(codec_context, codec, nullptr);
+ ret = avcodec_open2(codec_context, codec_context->codec, nullptr);
if (ret < 0) {
fprintf(stderr, "Error: Could not open video codec: %s\n",
"blabla"); // av_err2str(ret));
@@ -874,19 +882,18 @@ int main(int argc, char **argv) {
return 1;
}
- AVOutputFormat *output_format = av_format_context->oformat;
+ const AVOutputFormat *output_format = av_format_context->oformat;
- AVCodec *video_codec;
+ AVCodecContext *video_codec_context;
AVStream *video_stream =
- add_video_stream(av_format_context, &video_codec, quality, window_pixmap.texture_width, window_pixmap.texture_height, fps, strcmp(window_str, "screen") == 0);
+ add_video_stream(av_format_context, &video_codec_context, quality, window_pixmap.texture_width, window_pixmap.texture_height, fps, strcmp(window_str, "screen") == 0);
if (!video_stream) {
fprintf(stderr, "Error: Failed to create video stream\n");
return 1;
}
- AVCodec *audio_codec;
- AVStream *audio_stream =
- add_audio_stream(av_format_context, &audio_codec, output_format->audio_codec);
+ AVCodecContext *audio_codec_context;
+ AVStream *audio_stream = add_audio_stream(av_format_context, &audio_codec_context, fps);
if (!audio_stream) {
fprintf(stderr, "Error: Failed to create audio stream\n");
return 1;
@@ -894,10 +901,12 @@ int main(int argc, char **argv) {
AVBufferRef *device_ctx;
CUgraphicsResource cuda_graphics_resource;
- open_video(video_codec, video_stream, window_pixmap, &device_ctx,
- &cuda_graphics_resource);
+ open_video(video_codec_context, window_pixmap, &device_ctx, &cuda_graphics_resource);
+
+ avcodec_parameters_from_context(video_stream->codecpar, video_codec_context);
- AVFrame *audio_frame = open_audio(audio_codec, audio_stream);
+ AVFrame *audio_frame = open_audio(audio_codec_context);
+ avcodec_parameters_from_context(audio_stream->codecpar, audio_codec_context);
//av_dump_format(av_format_context, 0, filename, 1);
@@ -981,11 +990,11 @@ int main(int argc, char **argv) {
fprintf(stderr, "Error: Failed to allocate frame\n");
exit(1);
}
- frame->format = video_stream->codec->pix_fmt;
- frame->width = video_stream->codec->width;
- frame->height = video_stream->codec->height;
+ frame->format = video_codec_context->pix_fmt;
+ frame->width = video_codec_context->width;
+ frame->height = video_codec_context->height;
- if (av_hwframe_get_buffer(video_stream->codec->hw_frames_ctx, frame, 0) < 0) {
+ if (av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, frame, 0) < 0) {
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
exit(1);
}
@@ -1009,31 +1018,26 @@ int main(int argc, char **argv) {
SoundDevice sound_device;
Arg &audio_input_arg = args["-a"];
if(audio_input_arg.value) {
- if(sound_device_get_by_name(&sound_device, audio_input_arg.value, audio_stream->codec->channels, audio_stream->codec->frame_size) != 0) {
+ if(sound_device_get_by_name(&sound_device, audio_input_arg.value, audio_codec_context->channels, audio_codec_context->frame_size) != 0) {
fprintf(stderr, "failed to get 'pulse' sound device\n");
exit(1);
}
- int audio_buffer_size = av_samples_get_buffer_size(NULL, audio_stream->codec->channels, audio_stream->codec->frame_size, audio_stream->codec->sample_fmt, 1);
+ int audio_buffer_size = av_samples_get_buffer_size(NULL, audio_codec_context->channels, audio_codec_context->frame_size, audio_codec_context->sample_fmt, 1);
uint8_t *audio_frame_buf = (uint8_t *)av_malloc(audio_buffer_size);
- avcodec_fill_audio_frame(audio_frame, audio_stream->codec->channels, audio_stream->codec->sample_fmt, (const uint8_t*)audio_frame_buf, audio_buffer_size, 1);
+ avcodec_fill_audio_frame(audio_frame, audio_codec_context->channels, audio_codec_context->sample_fmt, (const uint8_t*)audio_frame_buf, audio_buffer_size, 1);
- audio_thread = std::thread([audio_buffer_size, record_start_time, replay_buffer_size_secs, &frame_data_queue, &frames_erased](AVFormatContext *av_format_context, AVStream *audio_stream, uint8_t *audio_frame_buf, SoundDevice *sound_device, AVFrame *audio_frame, std::mutex *write_output_mutex) mutable {
- AVPacket audio_packet;
- if(av_new_packet(&audio_packet, audio_buffer_size) != 0) {
- fprintf(stderr, "Failed to create audio packet\n");
- exit(1);
- }
+ audio_thread = std::thread([record_start_time, replay_buffer_size_secs, &frame_data_queue, &frames_erased, audio_codec_context, &frame_count](AVFormatContext *av_format_context, AVStream *audio_stream, uint8_t *audio_frame_buf, SoundDevice *sound_device, AVFrame *audio_frame, std::mutex *write_output_mutex) mutable {
SwrContext *swr = swr_alloc();
if(!swr) {
fprintf(stderr, "Failed to create SwrContext\n");
exit(1);
}
- av_opt_set_int(swr, "in_channel_layout", audio_stream->codec->channel_layout, 0);
- av_opt_set_int(swr, "out_channel_layout", audio_stream->codec->channel_layout, 0);
- av_opt_set_int(swr, "in_sample_rate", audio_stream->codec->sample_rate, 0);
- av_opt_set_int(swr, "out_sample_rate", audio_stream->codec->sample_rate, 0);
+ av_opt_set_int(swr, "in_channel_layout", audio_codec_context->channel_layout, 0);
+ av_opt_set_int(swr, "out_channel_layout", audio_codec_context->channel_layout, 0);
+ av_opt_set_int(swr, "in_sample_rate", audio_codec_context->sample_rate, 0);
+ av_opt_set_int(swr, "out_sample_rate", audio_codec_context->sample_rate, 0);
av_opt_set_sample_fmt(swr, "in_sample_fmt", AV_SAMPLE_FMT_S16, 0);
av_opt_set_sample_fmt(swr, "out_sample_fmt", AV_SAMPLE_FMT_FLTP, 0);
swr_init(swr);
@@ -1050,36 +1054,14 @@ int main(int argc, char **argv) {
//audio_frame->pts=audio_frame_index*100;
//++audio_frame_index;
- int got_frame = 0;
- int ret = avcodec_encode_audio2(audio_stream->codec, &audio_packet, audio_frame, &got_frame);
+ //audio_frame->pts = frame_count;
+ int ret = avcodec_send_frame(audio_codec_context, audio_frame);
if(ret < 0){
printf("Failed to encode!\n");
break;
}
- if (got_frame==1){
- //printf("Succeed to encode 1 frame! \tsize:%5d\n",pkt.size);
- audio_packet.stream_index = audio_stream->index;
- std::lock_guard<std::mutex> lock(*write_output_mutex);
- if(replay_buffer_size_secs != -1) {
- double time_now = glfwGetTime();
- double replay_time_elapsed = time_now - record_start_time;
- AVPacket *new_pack = new AVPacket();
- av_packet_move_ref(new_pack, &audio_packet);
- frame_data_queue.push_back(new_pack);
- if(replay_time_elapsed >= replay_buffer_size_secs) {
- av_packet_unref(frame_data_queue.front());
- delete frame_data_queue.front();
- frame_data_queue.pop_front();
- frames_erased = true;
- }
- } else {
- ret = av_interleaved_write_frame(av_format_context, &audio_packet);
- if(ret < 0) {
- fprintf(stderr, "Error: Failed to write audio frame to muxer, reason: %s (%d)\n", av_error_to_string(ret), ret);
- }
- }
- av_packet_unref(&audio_packet);
- }
+ if(ret >= 0)
+ receive_frames(audio_codec_context, audio_stream, av_format_context, record_start_time, frame_data_queue, replay_buffer_size_secs, frames_erased, *write_output_mutex);
} else {
fprintf(stderr, "failed to read sound from device, error: %d\n", sound_buffer_size);
}
@@ -1140,7 +1122,7 @@ int main(int argc, char **argv) {
res = cuGraphicsSubResourceGetMappedArray(&mapped_array, cuda_graphics_resource, 0, 0);
av_frame_unref(frame);
- if (av_hwframe_get_buffer(video_stream->codec->hw_frames_ctx, frame, 0) < 0) {
+ if (av_hwframe_get_buffer(video_codec_context->hw_frames_ctx, frame, 0) < 0) {
fprintf(stderr, "Error: av_hwframe_get_buffer failed\n");
running = false;
break;
@@ -1239,8 +1221,8 @@ int main(int argc, char **argv) {
frame->pts = frame_count;
frame_count += 1;
- if (avcodec_send_frame(video_stream->codec, frame) >= 0) {
- receive_frames(video_stream->codec, video_stream, av_format_context,
+ if (avcodec_send_frame(video_codec_context, frame) >= 0) {
+ receive_frames(video_codec_context, video_stream, av_format_context,
record_start_time, frame_data_queue, replay_buffer_size_secs, frames_erased, write_output_mutex);
} else {
fprintf(stderr, "Error: avcodec_send_frame failed\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 02:52:06 +0000