* (http://dirac.sourceforge.net/specification.html).
*/
-#undef NDEBUG
-#include <assert.h>
-
#include <schroedinger/schro.h>
#include <schroedinger/schrodebug.h>
#include <schroedinger/schrovideoformat.h>
+#include "libavutil/attributes.h"
#include "avcodec.h"
#include "internal.h"
#include "libschroedinger.h"
/** Schroedinger frame format */
SchroFrameFormat frame_format;
- /** frame being encoded */
- AVFrame picture;
-
/** frame size */
int frame_size;
/**
* Works out Schro-compatible chroma format.
*/
-static int set_chroma_format(AVCodecContext *avccontext)
+static int set_chroma_format(AVCodecContext *avctx)
{
int num_formats = sizeof(schro_pixel_format_map) /
sizeof(schro_pixel_format_map[0]);
int idx;
- SchroEncoderParams *p_schro_params = avccontext->priv_data;
+ SchroEncoderParams *p_schro_params = avctx->priv_data;
for (idx = 0; idx < num_formats; ++idx) {
- if (schro_pixel_format_map[idx].ff_pix_fmt ==
- avccontext->pix_fmt) {
+ if (schro_pixel_format_map[idx].ff_pix_fmt == avctx->pix_fmt) {
p_schro_params->format->chroma_format =
schro_pixel_format_map[idx].schro_pix_fmt;
return 0;
}
}
- av_log(avccontext, AV_LOG_ERROR,
+ av_log(avctx, AV_LOG_ERROR,
"This codec currently only supports planar YUV 4:2:0, 4:2:2"
" and 4:4:4 formats.\n");
return -1;
}
-static int libschroedinger_encode_init(AVCodecContext *avccontext)
+static av_cold int libschroedinger_encode_init(AVCodecContext *avctx)
{
- SchroEncoderParams *p_schro_params = avccontext->priv_data;
+ SchroEncoderParams *p_schro_params = avctx->priv_data;
SchroVideoFormatEnum preset;
/* Initialize the libraries that libschroedinger depends on. */
p_schro_params->encoder = schro_encoder_new();
if (!p_schro_params->encoder) {
- av_log(avccontext, AV_LOG_ERROR,
+ av_log(avctx, AV_LOG_ERROR,
"Unrecoverable Error: schro_encoder_new failed. ");
return -1;
}
/* Initialize the format. */
- preset = ff_get_schro_video_format_preset(avccontext);
+ preset = ff_get_schro_video_format_preset(avctx);
p_schro_params->format =
schro_encoder_get_video_format(p_schro_params->encoder);
schro_video_format_set_std_video_format(p_schro_params->format, preset);
- p_schro_params->format->width = avccontext->width;
- p_schro_params->format->height = avccontext->height;
+ p_schro_params->format->width = avctx->width;
+ p_schro_params->format->height = avctx->height;
- if (set_chroma_format(avccontext) == -1)
+ if (set_chroma_format(avctx) == -1)
return -1;
- if (avccontext->color_primaries == AVCOL_PRI_BT709) {
+ if (avctx->color_primaries == AVCOL_PRI_BT709) {
p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_HDTV;
- } else if (avccontext->color_primaries == AVCOL_PRI_BT470BG) {
+ } else if (avctx->color_primaries == AVCOL_PRI_BT470BG) {
p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_625;
- } else if (avccontext->color_primaries == AVCOL_PRI_SMPTE170M) {
+ } else if (avctx->color_primaries == AVCOL_PRI_SMPTE170M) {
p_schro_params->format->colour_primaries = SCHRO_COLOUR_PRIMARY_SDTV_525;
}
- if (avccontext->colorspace == AVCOL_SPC_BT709) {
+ if (avctx->colorspace == AVCOL_SPC_BT709) {
p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_HDTV;
- } else if (avccontext->colorspace == AVCOL_SPC_BT470BG) {
+ } else if (avctx->colorspace == AVCOL_SPC_BT470BG) {
p_schro_params->format->colour_matrix = SCHRO_COLOUR_MATRIX_SDTV;
}
- if (avccontext->color_trc == AVCOL_TRC_BT709) {
+ if (avctx->color_trc == AVCOL_TRC_BT709) {
p_schro_params->format->transfer_function = SCHRO_TRANSFER_CHAR_TV_GAMMA;
}
if (ff_get_schro_frame_format(p_schro_params->format->chroma_format,
&p_schro_params->frame_format) == -1) {
- av_log(avccontext, AV_LOG_ERROR,
+ av_log(avctx, AV_LOG_ERROR,
"This codec currently supports only planar YUV 4:2:0, 4:2:2"
" and 4:4:4 formats.\n");
return -1;
}
- p_schro_params->format->frame_rate_numerator = avccontext->time_base.den;
- p_schro_params->format->frame_rate_denominator = avccontext->time_base.num;
+ p_schro_params->format->frame_rate_numerator = avctx->time_base.den;
+ p_schro_params->format->frame_rate_denominator = avctx->time_base.num;
- p_schro_params->frame_size = avpicture_get_size(avccontext->pix_fmt,
- avccontext->width,
- avccontext->height);
+ p_schro_params->frame_size = avpicture_get_size(avctx->pix_fmt,
+ avctx->width,
+ avctx->height);
- avccontext->coded_frame = &p_schro_params->picture;
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame)
+ return AVERROR(ENOMEM);
- if (!avccontext->gop_size) {
+ if (!avctx->gop_size) {
schro_encoder_setting_set_double(p_schro_params->encoder,
"gop_structure",
SCHRO_ENCODER_GOP_INTRA_ONLY);
- if (avccontext->coder_type == FF_CODER_TYPE_VLC)
+ if (avctx->coder_type == FF_CODER_TYPE_VLC)
schro_encoder_setting_set_double(p_schro_params->encoder,
"enable_noarith", 1);
} else {
schro_encoder_setting_set_double(p_schro_params->encoder,
- "au_distance", avccontext->gop_size);
- avccontext->has_b_frames = 1;
+ "au_distance", avctx->gop_size);
+ avctx->has_b_frames = 1;
p_schro_params->dts = -1;
}
/* FIXME - Need to handle SCHRO_ENCODER_RATE_CONTROL_LOW_DELAY. */
- if (avccontext->flags & CODEC_FLAG_QSCALE) {
- if (!avccontext->global_quality) {
+ if (avctx->flags & CODEC_FLAG_QSCALE) {
+ if (!avctx->global_quality) {
/* lossless coding */
schro_encoder_setting_set_double(p_schro_params->encoder,
"rate_control",
"rate_control",
SCHRO_ENCODER_RATE_CONTROL_CONSTANT_QUALITY);
- quality = avccontext->global_quality / FF_QP2LAMBDA;
+ quality = avctx->global_quality / FF_QP2LAMBDA;
if (quality > 10)
quality = 10;
schro_encoder_setting_set_double(p_schro_params->encoder,
SCHRO_ENCODER_RATE_CONTROL_CONSTANT_BITRATE);
schro_encoder_setting_set_double(p_schro_params->encoder,
- "bitrate",
- avccontext->bit_rate);
-
+ "bitrate", avctx->bit_rate);
}
- if (avccontext->flags & CODEC_FLAG_INTERLACED_ME)
+ if (avctx->flags & CODEC_FLAG_INTERLACED_ME)
/* All material can be coded as interlaced or progressive
irrespective of the type of source material. */
schro_encoder_setting_set_double(p_schro_params->encoder,
"interlaced_coding", 1);
schro_encoder_setting_set_double(p_schro_params->encoder, "open_gop",
- !(avccontext->flags & CODEC_FLAG_CLOSED_GOP));
+ !(avctx->flags & CODEC_FLAG_CLOSED_GOP));
/* FIXME: Signal range hardcoded to 8-bit data until both libschroedinger
* and libdirac support other bit-depth data. */
p_schro_params->format);
/* Set the debug level. */
- schro_debug_set_level(avccontext->debug);
+ schro_debug_set_level(avctx->debug);
schro_encoder_start(p_schro_params->encoder);
return 0;
}
-static SchroFrame *libschroedinger_frame_from_data(AVCodecContext *avccontext,
+static SchroFrame *libschroedinger_frame_from_data(AVCodecContext *avctx,
const AVFrame *frame)
{
- SchroEncoderParams *p_schro_params = avccontext->priv_data;
+ SchroEncoderParams *p_schro_params = avctx->priv_data;
SchroFrame *in_frame;
/* Input line size may differ from what the codec supports. Especially
* when transcoding from one format to another. So use avpicture_layout
* to copy the frame. */
- in_frame = ff_create_schro_frame(avccontext, p_schro_params->frame_format);
+ in_frame = ff_create_schro_frame(avctx, p_schro_params->frame_format);
if (in_frame)
- avpicture_layout((const AVPicture *)frame, avccontext->pix_fmt,
- avccontext->width, avccontext->height,
+ avpicture_layout((const AVPicture *)frame, avctx->pix_fmt,
+ avctx->width, avctx->height,
in_frame->components[0].data,
p_schro_params->frame_size);
av_free(enc_frame);
}
-static int libschroedinger_encode_frame(AVCodecContext *avccontext, AVPacket *pkt,
+static int libschroedinger_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
int enc_size = 0;
- SchroEncoderParams *p_schro_params = avccontext->priv_data;
+ SchroEncoderParams *p_schro_params = avctx->priv_data;
SchroEncoder *encoder = p_schro_params->encoder;
struct FFSchroEncodedFrame *p_frame_output = NULL;
int go = 1;
}
} else {
/* Allocate frame data to schro input buffer. */
- SchroFrame *in_frame = libschroedinger_frame_from_data(avccontext,
- frame);
+ SchroFrame *in_frame = libschroedinger_frame_from_data(avctx, frame);
/* Load next frame. */
schro_encoder_push_frame(encoder, in_frame);
}
/* Now check to see if we have any output from the encoder. */
while (go) {
+ int err;
SchroStateEnum state;
state = schro_encoder_wait(encoder);
switch (state) {
case SCHRO_STATE_HAVE_BUFFER:
case SCHRO_STATE_END_OF_STREAM:
enc_buf = schro_encoder_pull(encoder, &presentation_frame);
- assert(enc_buf->length > 0);
- assert(enc_buf->length <= buf_size);
+ if (enc_buf->length <= 0)
+ return AVERROR_BUG;
parse_code = enc_buf->data[4];
/* All non-frame data is prepended to actual frame data to
* be able to set the pts correctly. So we don't write data
* to the frame output queue until we actually have a frame
*/
- p_schro_params->enc_buf = av_realloc(p_schro_params->enc_buf,
- p_schro_params->enc_buf_size + enc_buf->length);
+ if ((err = av_reallocp(&p_schro_params->enc_buf,
+ p_schro_params->enc_buf_size +
+ enc_buf->length)) < 0) {
+ p_schro_params->enc_buf_size = 0;
+ return err;
+ }
memcpy(p_schro_params->enc_buf + p_schro_params->enc_buf_size,
enc_buf->data, enc_buf->length);
break;
default:
- av_log(avccontext, AV_LOG_ERROR, "Unknown Schro Encoder state\n");
+ av_log(avctx, AV_LOG_ERROR, "Unknown Schro Encoder state\n");
return -1;
}
}
if (last_frame_in_sequence && p_schro_params->enc_buf_size > 0)
pkt_size += p_schro_params->enc_buf_size;
if ((ret = ff_alloc_packet(pkt, pkt_size)) < 0) {
- av_log(avccontext, AV_LOG_ERROR, "Error getting output packet of size %d.\n", pkt_size);
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet of size %d.\n", pkt_size);
goto error;
}
memcpy(pkt->data, p_frame_output->p_encbuf, p_frame_output->size);
- avccontext->coded_frame->key_frame = p_frame_output->key_frame;
+ avctx->coded_frame->key_frame = p_frame_output->key_frame;
/* Use the frame number of the encoded frame as the pts. It is OK to
* do so since Dirac is a constant frame rate codec. It expects input
* to be of constant frame rate. */
pkt->pts =
- avccontext->coded_frame->pts = p_frame_output->frame_num;
+ avctx->coded_frame->pts = p_frame_output->frame_num;
pkt->dts = p_schro_params->dts++;
enc_size = p_frame_output->size;
}
-static int libschroedinger_encode_close(AVCodecContext *avccontext)
+static int libschroedinger_encode_close(AVCodecContext *avctx)
{
- SchroEncoderParams *p_schro_params = avccontext->priv_data;
+ SchroEncoderParams *p_schro_params = avctx->priv_data;
/* Close the encoder. */
schro_encoder_free(p_schro_params->encoder);
/* Free the video format structure. */
av_freep(&p_schro_params->format);
+ av_frame_free(&avctx->coded_frame);
+
return 0;
}
AVCodec ff_libschroedinger_encoder = {
.name = "libschroedinger",
+ .long_name = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_DIRAC,
.priv_data_size = sizeof(SchroEncoderParams),
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE
},
- .long_name = NULL_IF_CONFIG_SMALL("libschroedinger Dirac 2.2"),
};
projects / ffmpeg / blobdiff