hvirtual/quicktime/ffmpeg/output_example.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "avformat.h"

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Defines
#define	M_PI   3.1415926535897931
#define	STREAM_DURATION   5.0
#define	STREAM_FRAME_RATE   25
#define	STREAM_NB_FRAMES   ((int)(STREAM_DURATION * STREAM_FRAME_RATE))
#define	STREAM_PIX_FMT   PIX_FMT_YUV420P
Functions
AVStream *	add_audio_stream (AVFormatContext *oc, int codec_id)
void	open_audio (AVFormatContext *oc, AVStream *st)
void	get_audio_frame (int16_t *samples, int frame_size, int nb_channels)
void	write_audio_frame (AVFormatContext *oc, AVStream *st)
void	close_audio (AVFormatContext *oc, AVStream *st)
AVStream *	add_video_stream (AVFormatContext *oc, int codec_id)
AVFrame *	alloc_picture (int pix_fmt, int width, int height)
void	open_video (AVFormatContext *oc, AVStream *st)
void	fill_yuv_image (AVFrame *pict, int frame_index, int width, int height)
void	write_video_frame (AVFormatContext *oc, AVStream *st)
void	close_video (AVFormatContext *oc, AVStream *st)
int	main (int argc, char **argv)
Variables
float	t
float	tincr
float	tincr2
int16_t *	samples
uint8_t *	audio_outbuf
int	audio_outbuf_size
int	audio_input_frame_size
AVFrame *	picture
AVFrame *	tmp_picture
uint8_t *	video_outbuf
int	frame_count
int	video_outbuf_size

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Define Documentation

#define M_PI   3.1415926535897931

Definition at line 31 of file output_example.c.

#define STREAM_DURATION   5.0

Definition at line 37 of file output_example.c.

Referenced by main().

#define STREAM_FRAME_RATE   25

Definition at line 38 of file output_example.c.

Referenced by add_video_stream().

#define STREAM_NB_FRAMES   ((int)(STREAM_DURATION * STREAM_FRAME_RATE))

Definition at line 39 of file output_example.c.

Referenced by write_video_frame().

#define STREAM_PIX_FMT   PIX_FMT_YUV420P

Definition at line 40 of file output_example.c.

Referenced by add_video_stream().

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Function Documentation

AVStream* add_audio_stream	(	AVFormatContext *	oc,
		int	codec_id
	)

Definition at line 54 of file output_example.c.

References AVCodecContext::bit_rate, c, AVCodecContext::channels, AVCodecContext::codec, AVCodecContext::codec_id, AVCodecContext::codec_type, CODEC_TYPE_AUDIO, fprintf, and AVCodecContext::sample_rate.

Referenced by main().

AVStream* add_video_stream	(	AVFormatContext *	oc,
		int	codec_id
	)

Definition at line 182 of file output_example.c.

References AVCodecContext::bit_rate, c, AVCodecContext::codec, CODEC_FLAG_GLOBAL_HEADER, AVCodecContext::codec_id, CODEC_ID_MPEG1VIDEO, CODEC_ID_MPEG2VIDEO, AVCodecContext::codec_type, CODEC_TYPE_VIDEO, AVRational::den, AVCodecContext::flags, fprintf, AVCodecContext::gop_size, AVCodecContext::height, AVCodecContext::max_b_frames, AVCodecContext::mb_decision, AVRational::num, AVCodecContext::pix_fmt, STREAM_FRAME_RATE, STREAM_PIX_FMT, AVCodecContext::time_base, and AVCodecContext::width.

Referenced by main().

AVFrame* alloc_picture	(	int	pix_fmt,
		int	width,
		int	height
	)

Definition at line 224 of file output_example.c.

References av_free(), avcodec_alloc_frame(), avpicture_fill(), avpicture_get_size(), and NULL.

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void close_audio	(	AVFormatContext *	oc,
		AVStream *	st
	)

Definition at line 166 of file output_example.c.

References audio_outbuf, av_free(), avcodec_close(), and samples.

Referenced by main().

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void close_video	(	AVFormatContext *	oc,
		AVStream *	st
	)

Definition at line 380 of file output_example.c.

References av_free(), avcodec_close(), and video_outbuf.

Referenced by main().

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void fill_yuv_image	(	AVFrame *	pict,
		int	frame_index,
		int	width,
		int	height
	)

Definition at line 293 of file output_example.c.

Referenced by write_video_frame().

void get_audio_frame	(	int16_t *	samples,
		int	frame_size,
		int	nb_channels
	)

Definition at line 127 of file output_example.c.

References t, tincr, and tincr2.

Referenced by write_audio_frame().

int main	(	int	argc,
		char **	argv
	)

Definition at line 395 of file output_example.c.

References add_audio_stream(), add_video_stream(), av_free(), av_freep(), close_audio(), close_video(), CODEC_ID_NONE, fprintf, NULL, open_audio(), open_video(), STREAM_DURATION, write_audio_frame(), and write_video_frame().

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void open_audio	(	AVFormatContext *	oc,
		AVStream *	st
	)

Definition at line 76 of file output_example.c.

References audio_input_frame_size, audio_outbuf, audio_outbuf_size, avcodec_find_encoder(), avcodec_open(), c, AVCodecContext::channels, AVCodecContext::codec, AVCodecContext::codec_id, CODEC_ID_PCM_S16BE, CODEC_ID_PCM_S16LE, CODEC_ID_PCM_U16BE, CODEC_ID_PCM_U16LE, fprintf, AVCodecContext::frame_size, M_PI, AVCodecContext::sample_rate, samples, t, tincr, and tincr2.

Referenced by main().

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void open_video	(	AVFormatContext *	oc,
		AVStream *	st
	)

Definition at line 244 of file output_example.c.

References alloc_picture(), avcodec_find_encoder(), avcodec_open(), c, AVCodecContext::codec, AVCodecContext::codec_id, fprintf, AVCodecContext::height, NULL, AVCodecContext::pix_fmt, PIX_FMT_YUV420P, video_outbuf, video_outbuf_size, and AVCodecContext::width.

Referenced by main().

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void write_audio_frame	(	AVFormatContext *	oc,
		AVStream *	st
	)

Definition at line 142 of file output_example.c.

References audio_input_frame_size, audio_outbuf, audio_outbuf_size, av_rescale_q(), avcodec_encode_audio(), c, AVCodecContext::channels, AVCodecContext::codec, AVCodecContext::coded_frame, fprintf, get_audio_frame(), samples, and AVCodecContext::time_base.

Referenced by main().

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void write_video_frame	(	AVFormatContext *	oc,
		AVStream *	st
	)

Definition at line 315 of file output_example.c.

References av_rescale_q(), avcodec_encode_video(), c, AVCodecContext::codec, AVCodecContext::coded_frame, fill_yuv_image(), fprintf, frame_count, AVCodecContext::height, img_convert(), AVCodecContext::pix_fmt, PIX_FMT_YUV420P, STREAM_NB_FRAMES, AVCodecContext::time_base, video_outbuf, video_outbuf_size, and AVCodecContext::width.

Referenced by main().

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Variable Documentation

int audio_input_frame_size

Definition at line 49 of file output_example.c.

Referenced by open_audio(), and write_audio_frame().

uint8_t* audio_outbuf

Definition at line 47 of file output_example.c.

Referenced by close_audio(), open_audio(), and write_audio_frame().

int audio_outbuf_size

Definition at line 48 of file output_example.c.

Referenced by open_audio(), and write_audio_frame().

int frame_count

Definition at line 179 of file output_example.c.

Referenced by main(), msmpeg4_decode_picture_header(), FileDV::read_samples(), and write_video_frame().

AVFrame* picture

Definition at line 177 of file output_example.c.

Referenced by decode_frame(), encode(), ff_xvid_encode_frame(), ir2_decode_frame(), itransform_engine_loop(), LiveVideo::LiveVideo(), mjpeg_decode_frame(), mjpegb_decode_frame(), motion_engine_loop(), mpeg_decode_frame(), output_packet(), pnm_decode_frame(), raw_decode(), slice_engine_loop(), transform_engine_loop(), VDeviceV4L::v4l_init(), video_decode_example(), and video_encode_example().

int16_t* samples

Definition at line 46 of file output_example.c.

float t

Definition at line 45 of file output_example.c.

Referenced by alaw2linear(), audio_encode_example(), bessel(), calc_undistorted_coords(), canon_600_coeff(), decode_subband_slice_buffered(), dering(), CWindowCanvas::do_mask(), Playback3D::do_mask_sync(), draw_line(), encode_subband_c0run(), fht(), get_audio_frame(), FloatAutos::get_value(), guess_byte_order(), hpel_motion_search(), HSV::hsv_to_rgb(), idct32(), idct_row(), init_layer3(), ir2_decode_plane(), ir2_decode_plane_inter(), nikon_e2100(), open_audio(), pow_m1_4(), HoloClient::process_package(), MaskUnit::process_package(), psycho_1_dump(), psycho_1_threshold(), qpel_motion_search(), quicktime_current_time(), radc_token(), read_ana_window(), read_bit_alloc(), HSV::rgb_to_hsv(), sad_hpel_motion_search(), scale_factor_calc(), ulaw2linear(), ulti_grad(), unpack_coeffs(), vng_interpolate(), vorbis_parse_setup_hdr_codebooks(), window_subband12(), ws_snd_decode_frame(), and xa_decode().

float tincr

Definition at line 45 of file output_example.c.

Referenced by audio_encode_example(), get_audio_frame(), and open_audio().

float tincr2

Definition at line 45 of file output_example.c.

Referenced by get_audio_frame(), and open_audio().

AVFrame * tmp_picture

Definition at line 177 of file output_example.c.

uint8_t* video_outbuf

Definition at line 178 of file output_example.c.

Referenced by close_video(), open_video(), and write_video_frame().

int video_outbuf_size

Definition at line 179 of file output_example.c.

Referenced by open_video(), and write_video_frame().