hvirtual/quicktime/ffmpeg/libavcodec/pnm.c File Reference

#include "avcodec.h"
#include "mpegvideo.h"

Include dependency graph for pnm.c:

Go to the source code of this file.

Data Structures
struct	PNMContext
Functions
static int	pnm_space (int c)
static void	pnm_get (PNMContext *sc, char *str, int buf_size)
static int	common_init (AVCodecContext *avctx)
static int	pnm_decode_header (AVCodecContext *avctx, PNMContext *const s)
static int	pnm_decode_frame (AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size)
static int	pnm_encode_frame (AVCodecContext *avctx, unsigned char *outbuf, int buf_size, void *data)
static int	pam_encode_frame (AVCodecContext *avctx, unsigned char *outbuf, int buf_size, void *data)
static int	pnm_parse (AVCodecParserContext *s, AVCodecContext *avctx, uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
Variables
AVCodecParser	pnm_parser

---

Function Documentation

static int common_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 60 of file pnm.c.

References avcodec_get_frame_defaults(), AVCodecContext::coded_frame, PNMContext::picture, AVCodecContext::priv_data, and s.

Here is the call graph for this function:

static int pam_encode_frame	(	AVCodecContext *	avctx,
		unsigned char *	outbuf,
		int	buf_size,
		void *	data
	)			[static]

Definition at line 334 of file pnm.c.

References av_log(), AV_LOG_ERROR, avpicture_get_size(), PNMContext::bytestream, PNMContext::bytestream_end, PNMContext::bytestream_start, FF_I_TYPE, AVCodecContext::height, memcpy, PNMContext::picture, AVCodecContext::pix_fmt, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_RGB24, PIX_FMT_RGBA32, AVCodecContext::priv_data, s, and AVCodecContext::width.

Here is the call graph for this function:

static int pnm_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		uint8_t *	buf,
		int	buf_size
	)			[static]

Definition at line 158 of file pnm.c.

References a, av_log(), AV_LOG_ERROR, b, PNMContext::bytestream, PNMContext::bytestream_end, PNMContext::bytestream_start, FF_I_TYPE, AVCodecContext::get_buffer, AVCodecContext::height, memcpy, PNMContext::picture, picture, AVCodecContext::pix_fmt, PIX_FMT_GRAY8, PIX_FMT_MONOBLACK, PIX_FMT_MONOWHITE, PIX_FMT_RGB24, PIX_FMT_RGBA32, PIX_FMT_YUV420P, pnm_decode_header(), AVCodecContext::priv_data, r, AVCodecContext::release_buffer, s, and AVCodecContext::width.

Here is the call graph for this function:

static int pnm_decode_header	(	AVCodecContext *	avctx,
		PNMContext *const	s
	)			[static]

Definition at line 69 of file pnm.c.

References avcodec_check_dimensions(), AVCodecContext::codec_id, CODEC_ID_PGMYUV, AVCodecContext::height, NULL, AVCodecContext::pix_fmt, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_RGB24, PIX_FMT_RGBA32, PIX_FMT_YUV420P, pnm_get(), and AVCodecContext::width.

Referenced by pnm_decode_frame(), and pnm_parse().

Here is the call graph for this function:

static int pnm_encode_frame	(	AVCodecContext *	avctx,
		unsigned char *	outbuf,
		int	buf_size,
		void *	data
	)			[static]

Definition at line 256 of file pnm.c.

References av_log(), AV_LOG_ERROR, avpicture_get_size(), PNMContext::bytestream, PNMContext::bytestream_end, PNMContext::bytestream_start, c, FF_I_TYPE, AVCodecContext::height, memcpy, PNMContext::picture, AVCodecContext::pix_fmt, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_RGB24, PIX_FMT_YUV420P, AVCodecContext::priv_data, s, and AVCodecContext::width.

Here is the call graph for this function:

static void pnm_get	(	PNMContext *	sc,
		char *	str,
		int	buf_size
	)			[static]

Definition at line 34 of file pnm.c.

References PNMContext::bytestream, PNMContext::bytestream_end, c, pnm_space(), and s.

Referenced by pnm_decode_header().

Here is the call graph for this function:

static int pnm_parse	(	AVCodecParserContext *	s,
		AVCodecContext *	avctx,
		uint8_t **	poutbuf,
		int *	poutbuf_size,
		const uint8_t *	buf,
		int	buf_size
	)			[static]

Definition at line 451 of file pnm.c.

References avpicture_get_size(), ParseContext::buffer, PNMContext::bytestream, PNMContext::bytestream_end, PNMContext::bytestream_start, END_NOT_FOUND, ff_combine_frame(), AVCodecContext::height, ParseContext::index, memcpy, NULL, ParseContext::overread, ParseContext::overread_index, AVCodecContext::pix_fmt, pnm_decode_header(), AVCodecParserContext::priv_data, and AVCodecContext::width.

Here is the call graph for this function:

static int pnm_space

(

int

c

)

[inline, static]

Definition at line 29 of file pnm.c.

Referenced by pnm_get().

---

Variable Documentation

AVCodecParser pnm_parser

Initial value:

 {
    { CODEC_ID_PGM, CODEC_ID_PGMYUV, CODEC_ID_PPM, CODEC_ID_PBM, CODEC_ID_PAM},
    sizeof(ParseContext),
    NULL,
    pnm_parse,
    ff_parse_close,
}

Definition at line 512 of file pnm.c.

Referenced by avcodec_register_all().