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Codec settings

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This commit is contained in:
mannol 2014-04-06 23:59:18 +02:00
parent 1efb1d341f
commit 3f0d6b5778
4 changed files with 51 additions and 28 deletions
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7
auto_tests/toxav_basic_test.c
View File

@ -194,10 +194,13 @@ START_TEST(test_AV)
printf("All set after %llu seconds! Starting call...\n", time(NULL) - cur_time);
ToxAvCodecSettings muhcaps = av_DefaultSettings;
muhcaps.video_height = muhcaps.video_width = 128;
Status status_control =
{
{none, toxav_new(Alice, 128, 128), NULL},
{none, toxav_new(Bob, 128, 128), NULL},
{none, toxav_new(Alice, &muhcaps), NULL},
{none, toxav_new(Bob, &muhcaps), NULL},
};

10
toxav/phone.c
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@ -50,6 +50,8 @@
#include "event.h"
#include "../toxcore/tox.h"
#define AUDIO_FRAME_SIZE (av_DefaultSettings.audio_sample_rate * av_DefaultSettings.audio_frame_duration / 1000)
#ifdef TOX_FFMPEG
/* Video encoding/decoding */
#include <libavcodec/avcodec.h>
@ -1055,7 +1057,7 @@ av_session_t *av_init_session()
_retu->audio_capture_device =
(struct ALCdevice *)alcCaptureOpenDevice(
device_names[selection], AUDIO_SAMPLE_RATE, AL_FORMAT_MONO16, AUDIO_FRAME_SIZE * 4);
device_names[selection], av_DefaultSettings.audio_sample_rate, AL_FORMAT_MONO16, AUDIO_FRAME_SIZE * 4);
if (alcGetError((ALCdevice *)_retu->audio_capture_device) != AL_NO_ERROR) {
@ -1117,8 +1119,10 @@ failed_init_ffmpeg: ;
tox_get_address(_retu->_messenger, _byte_address );
fraddr_to_str( _byte_address, _retu->_my_public_id );
_retu->av = toxav_new(_retu->_messenger, width, height);
ToxAvCodecSettings cs = av_DefaultSettings;
cs.video_height = height;
cs.video_width = width;
_retu->av = toxav_new(_retu->_messenger, &cs);
/* ------------------ */

19
toxav/toxav.c
View File

@ -35,12 +35,6 @@
#include "toxav.h"
/* Default video bitrate in bytes/s */
#define VIDEO_BITRATE (10*1000*100)
/* Default audio bitrate in bits/s */
#define AUDIO_BITRATE 64000
/* Assume 60 fps*/
#define MAX_ENCODE_TIME_US ((1000 / 60) * 1000)
@ -80,7 +74,7 @@ typedef struct _ToxAv {
* @return ToxAv*
* @retval NULL On error.
*/
ToxAv *toxav_new( Tox* messenger, uint16_t video_width, uint16_t video_height)
ToxAv *toxav_new( Tox* messenger, ToxAvCodecSettings* codec_settings)
{
ToxAv *av = calloc ( sizeof(ToxAv), 1);
@ -95,10 +89,15 @@ ToxAv *toxav_new( Tox* messenger, uint16_t video_width, uint16_t video_height)
av->rtp_sessions[0] = av->rtp_sessions [1] = NULL;
/* NOTE: This should be user defined or? */
av->j_buf = create_queue(20);
av->j_buf = create_queue(codec_settings->jbuf_capacity);
av->cs = codec_init_session(AUDIO_BITRATE, AUDIO_FRAME_DURATION, AUDIO_SAMPLE_RATE, AUDIO_CHANNELS, video_width,
video_height, VIDEO_BITRATE);
av->cs = codec_init_session(codec_settings->audio_bitrate,
codec_settings->audio_frame_duration,
codec_settings->audio_sample_rate,
codec_settings->audio_channels,
codec_settings->video_width,
codec_settings->video_height,
codec_settings->video_bitrate);
return av;
}

43
toxav/toxav.h
View File

@ -39,18 +39,6 @@ typedef struct Tox Tox;
#define RTP_PAYLOAD_SIZE 65535
/* Number of audio channels. */
#define AUDIO_CHANNELS 1
/* Audio frame duration in miliseconds */
#define AUDIO_FRAME_DURATION 20
/* Audio sample rate recommended to be 48kHz for Opus */
#define AUDIO_SAMPLE_RATE 48000
/* The amount of samples in one audio frame */
#define AUDIO_FRAME_SIZE (AUDIO_SAMPLE_RATE*AUDIO_FRAME_DURATION/1000)
/**
* @brief Callbacks ids that handle the call states.
@ -114,6 +102,35 @@ typedef enum {
VideoDecoding = 1 << 3
} ToxAvCapabilities;
/**
* @brief Encoding settings.
*/
typedef struct _ToxAvCodecSettings {
uint32_t video_bitrate; /* In bits/s */
uint16_t video_width; /* In px */
uint16_t video_height; /* In px */
uint32_t audio_bitrate; /* In bits/s */
uint16_t audio_frame_duration; /* In ms */
uint32_t audio_sample_rate; /* In Hz */
uint32_t audio_channels;
uint32_t jbuf_capacity; /* Size of jitter buffer */
} ToxAvCodecSettings;
static const ToxAvCodecSettings av_DefaultSettings = {
1000000,
800,
600,
64000,
20,
48000,
1,
20
};
/**
* @brief Start new A/V session. There can only be one session at the time. If you register more
* it will result in undefined behaviour.
@ -125,7 +142,7 @@ typedef enum {
* @return ToxAv*
* @retval NULL On error.
*/
ToxAv *toxav_new(Tox *messenger, uint16_t video_width, uint16_t video_height);
ToxAv *toxav_new(Tox *messenger, ToxAvCodecSettings* codec_settings);
/**
* @brief Remove A/V session.