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#define AL_LOG_SECTION "codec_server"
#include <al/log.h>
#include "../../server/common.h"
#include "../../codec/codec.h"
#include "../../codec/codecs.h"
#ifdef CAMU_HAVE_FFMPEG
#include "../../codec/ffmpeg/packet_ext.h"
#endif
#include "codec.h"
static bool codec_server_init(struct lia_server_handler *handler, struct cch_handle *handle)
{
struct lia_codec_server *codec = (struct lia_codec_server *)handler;
codec->demux = NULL;
codec->codec_info = camu_codec_info_by_type(cch_entry_guess_format(handle->entry));
if (!codec->codec_info) {
return false;
}
log_info("Selected demuxer: %.*s.", al_str_x(&codec->codec_info->name));
codec->demux = codec->codec_info->create_demuxer();
if (!codec->demux->init(codec->demux, handle)) {
return false;
}
#ifdef LIANA_SERVER_LOOP
codec->pts_offset = 0;
#endif
switch (codec->demux->mode) {
case CAMU_NORMAL:
break;
#ifdef CAMU_HAVE_FFMPEG
case CAMU_FFMPEG_COMPAT:
#ifndef CAMU_DIRECT_MODE
codec->packet.av.pkt = av_packet_alloc();
#endif
break;
#endif
}
return true;
}
static void codec_server_write_info(struct lia_server_handler *handler, struct nn_packet *packet)
{
struct lia_codec_server *codec = (struct lia_codec_server *)handler;
u64 duration = codec->demux->get_duration(codec->demux);
nn_packet_write_u64(packet, duration);
nn_packet_write_u32(packet, codec->demux->streams.count);
struct camu_codec_stream *stream;
al_array_foreach_ptr(codec->demux->streams, i, stream) {
nn_packet_write_str(packet, &codec->codec_info->name);
nn_packet_write_u8(packet, stream->mode);
nn_packet_write_u8(packet, stream->type);
nn_packet_write_u64(packet, stream->duration);
// stream->index = i is currently expected but shouldn't be (and isn't) relied upon anywhere.
al_assert(stream->index == (s32)i);
nn_packet_write_s32(packet, stream->index);
switch (stream->mode) {
case CAMU_NORMAL: {
struct camu_video_format *fmt = &stream->video.fmt;
nn_packet_write_u32(packet, fmt->width);
nn_packet_write_u32(packet, fmt->height);
nn_packet_write_s32(packet, fmt->format);
break;
}
#ifdef CAMU_HAVE_FFMPEG
case CAMU_FFMPEG_COMPAT:
nn_packet_write_av_codec_id(packet, stream->av.stream->codecpar->codec_id);
nn_packet_write_av_stream(packet, stream->av.stream);
break;
#endif
}
}
}
static void codec_server_subscribe(struct lia_server_handler *handler, u32 mask)
{
struct lia_codec_server *codec = (struct lia_codec_server *)handler;
codec->demux->subscribed = mask;
}
static u64 codec_server_get_duration(struct lia_server_handler *handler)
{
struct lia_codec_server *codec = (struct lia_codec_server *)handler;
return codec->demux->get_duration(codec->demux);
}
static bool codec_server_seek(struct lia_server_handler *handler, u64 pos)
{
struct lia_codec_server *codec = (struct lia_codec_server *)handler;
#ifdef LIANA_SERVER_LOOP
codec->pts_offset = 0;
#endif
return codec->demux->seek(codec->demux, pos, false);
}
static void codec_server_step(struct lia_server_handler *handler)
{
struct lia_codec_server *codec = (struct lia_codec_server *)handler;
#ifdef CAMU_HAVE_FFMPEG
#ifdef CAMU_DIRECT_MODE
codec->packet.av.pkt = av_packet_alloc();
#endif
#endif
codec->handler.status = codec->demux->get_packet(codec->demux, &codec->packet);
}
static void codec_server_write_packet(struct lia_server_handler *handler, struct nn_packet *packet)
{
struct lia_codec_server *codec = (struct lia_codec_server *)handler;
if (codec->handler.status == CAMU_OK) {
nn_packet_write_u8(packet, LIANA_PACKET_DATA);
switch (codec->packet.mode) {
case CAMU_NORMAL: {
nn_packet_write_s32(packet, 0);
nn_packet_write_u8(packet, codec->packet.mode);
#ifdef CAMU_DIRECT_MODE
packet->opaque = codec->packet.buffer;
#else
nn_packet_write_buffer(packet, codec->packet.buffer);
#endif
break;
}
#ifdef CAMU_HAVE_FFMPEG
case CAMU_FFMPEG_COMPAT: {
AVPacket *pkt = codec->packet.av.pkt;
#ifdef LIANA_SERVER_LOOP
struct camu_codec_stream *stream = &al_array_at(codec->demux->streams, pkt->stream_index);
AVRational time_base = stream->av.stream->time_base;
pkt->pts += av_rescale_q(codec->pts_offset, AV_TIME_BASE_Q, time_base);
#endif
nn_packet_write_s32(packet, pkt->stream_index);
nn_packet_write_u8(packet, codec->packet.mode);
#ifdef CAMU_DIRECT_MODE
packet->opaque = pkt;
#else
nn_packet_write_av_packet(packet, pkt);
av_packet_unref(pkt);
#endif
break;
}
#endif
}
} else if (codec->handler.status == CAMU_ERR_EOF) {
nn_packet_write_u8(packet, LIANA_PACKET_EOF);
#ifdef LIANA_SERVER_LOOP
codec->pts_offset += codec->demux->get_duration(codec->demux);
codec->demux->seek(codec->demux, 0, false);
#endif
} else {
nn_packet_write_u8(packet, LIANA_PACKET_ERROR);
}
}
static void codec_server_free(struct lia_server_handler **handler)
{
struct lia_codec_server *codec = (struct lia_codec_server *)*handler;
if (codec->demux) {
switch (codec->demux->mode) {
case CAMU_NORMAL:
break;
#ifdef CAMU_HAVE_FFMPEG
case CAMU_FFMPEG_COMPAT:
#ifndef CAMU_DIRECT_MODE
av_packet_free(&codec->packet.av.pkt);
#endif
break;
#endif
}
codec->demux->free(&codec->demux);
}
al_free(codec);
*handler = NULL;
}
struct lia_server_handler *lia_codec_server_create(void)
{
struct lia_codec_server *codec = al_alloc_object(struct lia_codec_server);
codec->handler.init = codec_server_init;
codec->handler.write_info = codec_server_write_info;
codec->handler.subscribe = codec_server_subscribe;
codec->handler.get_duration = codec_server_get_duration;
codec->handler.seek = codec_server_seek;
codec->handler.step = codec_server_step;
codec->handler.write_packet = codec_server_write_packet;
codec->handler.free = codec_server_free;
return (struct lia_server_handler *)codec;
}
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