Interface to xvidcore for MPEG-4 compliant encoding.
More...
#include <xvid.h>
#include <unistd.h>
#include "avcodec.h"
#include "libavutil/cpu.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libxvid.h"
#include "mpegvideo.h"
Go to the source code of this file.
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static int | xvid_ff_2pass_create (xvid_plg_create_t *param, void **handle) |
| Initialize the two-pass plugin and context. More...
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static int | xvid_ff_2pass_destroy (struct xvid_context *ref, xvid_plg_destroy_t *param) |
| Destroy the two-pass plugin context. More...
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static int | xvid_ff_2pass_before (struct xvid_context *ref, xvid_plg_data_t *param) |
| Enable fast encode mode during the first pass. More...
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static int | xvid_ff_2pass_after (struct xvid_context *ref, xvid_plg_data_t *param) |
| Capture statistic data and write it during first pass. More...
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static int | xvid_ff_2pass (void *ref, int cmd, void *p1, void *p2) |
| Dispatch function for our custom plugin. More...
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static int | xvid_strip_vol_header (AVCodecContext *avctx, AVPacket *pkt, unsigned int header_len, unsigned int frame_len) |
| Routine to create a global VO/VOL header for MP4 container. More...
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static void | xvid_correct_framerate (AVCodecContext *avctx) |
| Routine to correct a possibly erroneous framerate being fed to us. More...
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static av_cold int | xvid_encode_init (AVCodecContext *avctx) |
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static int | xvid_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *picture, int *got_packet) |
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static av_cold int | xvid_encode_close (AVCodecContext *avctx) |
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Interface to xvidcore for MPEG-4 compliant encoding.
- Author
- Adam Thayer (krevn.nosp@m.ik@c.nosp@m.omcas.nosp@m.t.ne.nosp@m.t)
Definition in file libxvid.c.
§ BUFFER_SIZE
§ BUFFER_REMAINING
#define BUFFER_REMAINING |
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x | ) |
(BUFFER_SIZE - strlen(x)) |
§ BUFFER_CAT
#define BUFFER_CAT |
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x | ) |
(&((x)[strlen(x)])) |
§ OFFSET
§ VE
§ xvid_ff_2pass_create()
static int xvid_ff_2pass_create |
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xvid_plg_create_t * |
param, |
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void ** |
handle |
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Initialize the two-pass plugin and context.
- Parameters
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param | Input construction parameter structure |
handle | Private context handle |
- Returns
- Returns XVID_ERR_xxxx on failure, or 0 on success.
Definition at line 95 of file libxvid.c.
Referenced by xvid_ff_2pass().
§ xvid_ff_2pass_destroy()
static int xvid_ff_2pass_destroy |
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struct xvid_context * |
ref, |
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xvid_plg_destroy_t * |
param |
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Destroy the two-pass plugin context.
- Parameters
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ref | Context pointer for the plugin |
param | Destrooy context |
- Returns
- Returns 0, success guaranteed
Definition at line 126 of file libxvid.c.
Referenced by xvid_ff_2pass().
§ xvid_ff_2pass_before()
static int xvid_ff_2pass_before |
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struct xvid_context * |
ref, |
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xvid_plg_data_t * |
param |
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) |
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static |
Enable fast encode mode during the first pass.
- Parameters
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ref | Context pointer for the plugin |
param | Frame data |
- Returns
- Returns 0, success guaranteed
Definition at line 142 of file libxvid.c.
Referenced by xvid_ff_2pass().
§ xvid_ff_2pass_after()
static int xvid_ff_2pass_after |
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struct xvid_context * |
ref, |
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xvid_plg_data_t * |
param |
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static |
Capture statistic data and write it during first pass.
- Parameters
-
ref | Context pointer for the plugin |
param | Statistic data |
- Returns
- Returns XVID_ERR_xxxx on failure, or 0 on success
Definition at line 185 of file libxvid.c.
Referenced by xvid_ff_2pass().
§ xvid_ff_2pass()
static int xvid_ff_2pass |
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void * |
ref, |
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int |
cmd, |
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void * |
p1, |
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void * |
p2 |
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static |
Dispatch function for our custom plugin.
This handles the dispatch for the Xvid plugin. It passes data on to other functions for actual processing.
- Parameters
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ref | Context pointer for the plugin |
cmd | The task given for us to complete |
p1 | First parameter (varies) |
p2 | Second parameter (varies) |
- Returns
- Returns XVID_ERR_xxxx on failure, or 0 on success
Definition at line 221 of file libxvid.c.
Referenced by xvid_encode_init().
§ xvid_strip_vol_header()
static int xvid_strip_vol_header |
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AVCodecContext * |
avctx, |
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AVPacket * |
pkt, |
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unsigned int |
header_len, |
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unsigned int |
frame_len |
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Routine to create a global VO/VOL header for MP4 container.
What we do here is extract the header from the Xvid bitstream as it is encoded. We also strip the repeated headers from the bitstream when a global header is requested for MPEG-4 ISO compliance.
- Parameters
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avctx | AVCodecContext pointer to context |
frame | Pointer to encoded frame data |
header_len | Length of header to search |
frame_len | Length of encoded frame data |
- Returns
- Returns new length of frame data
Definition at line 258 of file libxvid.c.
Referenced by xvid_encode_frame().
§ xvid_correct_framerate()
Routine to correct a possibly erroneous framerate being fed to us.
Xvid currently chokes on framerates where the ticks per frame is extremely large. This function works to correct problems in this area by estimating a new framerate and taking the simpler fraction of the two presented.
- Parameters
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avctx | Context that contains the framerate to correct. |
Definition at line 298 of file libxvid.c.
Referenced by xvid_encode_init().
§ xvid_encode_init()
§ xvid_encode_frame()
§ xvid_encode_close()
§ options
§ xvid_class
Initial value:= {
.class_name = "libxvid",
}
static const AVOption options[]
Definition at line 800 of file libxvid.c.
§ ff_libxvid_encoder
Initial value:= {
.name = "libxvid",
}
static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *picture, int *got_packet)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
static av_cold int xvid_encode_close(AVCodecContext *avctx)
Structure for the private Xvid context.
static const AVClass xvid_class
static av_cold int xvid_encode_init(AVCodecContext *avctx)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static av_cold int init(AVCodecParserContext *s)
AVPixelFormat
Pixel format.
Definition at line 807 of file libxvid.c.