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libschroedinger: cosmetics: rename variable avccontext to avctx

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This is consistent with the rest of libavcodec.
This commit is contained in:
Justin Ruggles 2013-02-24 13:15:12 -05:00
parent 09031b4639
commit 699d02b839
4 changed files with 92 additions and 96 deletions
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22
libavcodec/libschroedinger.c
View File

@ -46,7 +46,7 @@ static const SchroVideoFormatInfo ff_schro_video_format_info[] = {
{ 4096, 2160, 24, 1 },
};
static unsigned int get_video_format_idx(AVCodecContext *avccontext)
static unsigned int get_video_format_idx(AVCodecContext *avctx)
{
unsigned int ret_idx = 0;
unsigned int idx;
@ -55,11 +55,11 @@ static unsigned int get_video_format_idx(AVCodecContext *avccontext)
for (idx = 1; idx < num_formats; ++idx) {
const SchroVideoFormatInfo *vf = &ff_schro_video_format_info[idx];
if (avccontext->width == vf->width &&
avccontext->height == vf->height) {
if (avctx->width == vf->width &&
avctx->height == vf->height) {
ret_idx = idx;
if (avccontext->time_base.den == vf->frame_rate_num &&
avccontext->time_base.num == vf->frame_rate_denom)
if (avctx->time_base.den == vf->frame_rate_num &&
avctx->time_base.num == vf->frame_rate_denom)
return idx;
}
}
@ -136,12 +136,12 @@ static const SchroVideoFormatEnum ff_schro_video_formats[]={
SCHRO_VIDEO_FORMAT_DC4K_24 ,
};
SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avccontext)
SchroVideoFormatEnum ff_get_schro_video_format_preset(AVCodecContext *avctx)
{
unsigned int num_formats = sizeof(ff_schro_video_formats) /
sizeof(ff_schro_video_formats[0]);
unsigned int idx = get_video_format_idx(avccontext);
unsigned int idx = get_video_format_idx(avctx);
return (idx < num_formats) ? ff_schro_video_formats[idx] :
SCHRO_VIDEO_FORMAT_CUSTOM;
@ -175,7 +175,7 @@ static void free_schro_frame(SchroFrame *frame, void *priv)
av_freep(&p_pic);
}
SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
SchroFrame *ff_create_schro_frame(AVCodecContext *avctx,
SchroFrameFormat schro_frame_fmt)
{
AVPicture *p_pic;
@ -184,13 +184,13 @@ SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
int y_height, uv_height;
int i;
y_width = avccontext->width;
y_height = avccontext->height;
y_width = avctx->width;
y_height = avctx->height;
uv_width = y_width >> (SCHRO_FRAME_FORMAT_H_SHIFT(schro_frame_fmt));
uv_height = y_height >> (SCHRO_FRAME_FORMAT_V_SHIFT(schro_frame_fmt));
p_pic = av_mallocz(sizeof(AVPicture));
avpicture_alloc(p_pic, avccontext->pix_fmt, y_width, y_height);
avpicture_alloc(p_pic, avctx->pix_fmt, y_width, y_height);
p_frame = schro_frame_new();
p_frame->format = schro_frame_fmt;

4
libavcodec/libschroedinger.h
View File

@ -114,7 +114,7 @@ static const struct {
* Returns the video format preset matching the input video dimensions and
* time base.
*/
SchroVideoFormatEnum ff_get_schro_video_format_preset (AVCodecContext *avccontext);
SchroVideoFormatEnum ff_get_schro_video_format_preset (AVCodecContext *avctx);
/**
* Sets the Schroedinger frame format corresponding to the Schro chroma format
@ -127,7 +127,7 @@ int ff_get_schro_frame_format(SchroChromaFormat schro_chroma_fmt,
* Create a Schro frame based on the dimensions and frame format
* passed. Returns a pointer to a frame on success, NULL on failure.
*/
SchroFrame *ff_create_schro_frame(AVCodecContext *avccontext,
SchroFrame *ff_create_schro_frame(AVCodecContext *avctx,
SchroFrameFormat schro_frame_fmt);
#endif /* AVCODEC_LIBSCHROEDINGER_H */

60
libavcodec/libschroedingerdec.c
View File

@ -151,14 +151,14 @@ static enum AVPixelFormat get_chroma_format(SchroChromaFormat schro_pix_fmt)
return AV_PIX_FMT_NONE;
}
static av_cold int libschroedinger_decode_init(AVCodecContext *avccontext)
static av_cold int libschroedinger_decode_init(AVCodecContext *avctx)
{
SchroDecoderParams *p_schro_params = avccontext->priv_data;
SchroDecoderParams *p_schro_params = avctx->priv_data;
/* First of all, initialize our supporting libraries. */
schro_init();
schro_debug_set_level(avccontext->debug);
schro_debug_set_level(avctx->debug);
p_schro_params->decoder = schro_decoder_new();
schro_decoder_set_skip_ratio(p_schro_params->decoder, 1);
@ -175,38 +175,38 @@ static void libschroedinger_decode_frame_free(void *frame)
schro_frame_unref(frame);
}
static void libschroedinger_handle_first_access_unit(AVCodecContext *avccontext)
static void libschroedinger_handle_first_access_unit(AVCodecContext *avctx)
{
SchroDecoderParams *p_schro_params = avccontext->priv_data;
SchroDecoderParams *p_schro_params = avctx->priv_data;
SchroDecoder *decoder = p_schro_params->decoder;
p_schro_params->format = schro_decoder_get_video_format(decoder);
/* Tell Libav about sequence details. */
if (av_image_check_size(p_schro_params->format->width,
p_schro_params->format->height, 0, avccontext) < 0) {
av_log(avccontext, AV_LOG_ERROR, "invalid dimensions (%dx%d)\n",
p_schro_params->format->height, 0, avctx) < 0) {
av_log(avctx, AV_LOG_ERROR, "invalid dimensions (%dx%d)\n",
p_schro_params->format->width, p_schro_params->format->height);
avccontext->height = avccontext->width = 0;
avctx->height = avctx->width = 0;
return;
}
avccontext->height = p_schro_params->format->height;
avccontext->width = p_schro_params->format->width;
avccontext->pix_fmt = get_chroma_format(p_schro_params->format->chroma_format);
avctx->height = p_schro_params->format->height;
avctx->width = p_schro_params->format->width;
avctx->pix_fmt = get_chroma_format(p_schro_params->format->chroma_format);
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 only supports planar YUV 4:2:0, 4:2:2 "
"and 4:4:4 formats.\n");
return;
}
avccontext->time_base.den = p_schro_params->format->frame_rate_numerator;
avccontext->time_base.num = p_schro_params->format->frame_rate_denominator;
avctx->time_base.den = p_schro_params->format->frame_rate_numerator;
avctx->time_base.num = p_schro_params->format->frame_rate_denominator;
}
static int libschroedinger_decode_frame(AVCodecContext *avccontext,
static int libschroedinger_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
@ -215,7 +215,7 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
int64_t pts = avpkt->pts;
SchroTag *tag;
SchroDecoderParams *p_schro_params = avccontext->priv_data;
SchroDecoderParams *p_schro_params = avctx->priv_data;
SchroDecoder *decoder = p_schro_params->decoder;
SchroBuffer *enc_buf;
SchroFrame* frame;
@ -241,17 +241,17 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
/* Set Schrotag with the pts to be recovered after decoding*/
enc_buf->tag = schro_tag_new(av_malloc(sizeof(int64_t)), av_free);
if (!enc_buf->tag->value) {
av_log(avccontext, AV_LOG_ERROR, "Unable to allocate SchroTag\n");
av_log(avctx, AV_LOG_ERROR, "Unable to allocate SchroTag\n");
return AVERROR(ENOMEM);
}
AV_WN(64, enc_buf->tag->value, pts);
/* Push buffer into decoder. */
if (SCHRO_PARSE_CODE_IS_PICTURE(enc_buf->data[4]) &&
SCHRO_PARSE_CODE_NUM_REFS(enc_buf->data[4]) > 0)
avccontext->has_b_frames = 1;
avctx->has_b_frames = 1;
state = schro_decoder_push(decoder, enc_buf);
if (state == SCHRO_DECODER_FIRST_ACCESS_UNIT)
libschroedinger_handle_first_access_unit(avccontext);
libschroedinger_handle_first_access_unit(avctx);
go = 1;
} else
outer = 0;
@ -261,7 +261,7 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
state = schro_decoder_wait(decoder);
switch (state) {
case SCHRO_DECODER_FIRST_ACCESS_UNIT:
libschroedinger_handle_first_access_unit(avccontext);
libschroedinger_handle_first_access_unit(avctx);
break;
case SCHRO_DECODER_NEED_BITS:
@ -271,7 +271,7 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
case SCHRO_DECODER_NEED_FRAME:
/* Decoder needs a frame - create one and push it in. */
frame = ff_create_schro_frame(avccontext,
frame = ff_create_schro_frame(avctx,
p_schro_params->frame_format);
schro_decoder_add_output_picture(decoder, frame);
break;
@ -285,7 +285,7 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
/* Add relation between schroframe and pts. */
framewithpts = av_malloc(sizeof(LibSchroFrameContext));
if (!framewithpts) {
av_log(avccontext, AV_LOG_ERROR, "Unable to allocate FrameWithPts\n");
av_log(avctx, AV_LOG_ERROR, "Unable to allocate FrameWithPts\n");
return AVERROR(ENOMEM);
}
framewithpts->frame = frame;
@ -313,9 +313,9 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
if (framewithpts && framewithpts->frame) {
if (p_schro_params->dec_frame.data[0])
avccontext->release_buffer(avccontext, &p_schro_params->dec_frame);
if (ff_get_buffer(avccontext, &p_schro_params->dec_frame) < 0) {
av_log(avccontext, AV_LOG_ERROR, "Unable to allocate buffer\n");
avctx->release_buffer(avctx, &p_schro_params->dec_frame);
if (ff_get_buffer(avctx, &p_schro_params->dec_frame) < 0) {
av_log(avctx, AV_LOG_ERROR, "Unable to allocate buffer\n");
return AVERROR(ENOMEM);
}
@ -354,15 +354,15 @@ static int libschroedinger_decode_frame(AVCodecContext *avccontext,
}
static av_cold int libschroedinger_decode_close(AVCodecContext *avccontext)
static av_cold int libschroedinger_decode_close(AVCodecContext *avctx)
{
SchroDecoderParams *p_schro_params = avccontext->priv_data;
SchroDecoderParams *p_schro_params = avctx->priv_data;
/* Free the decoder. */
schro_decoder_free(p_schro_params->decoder);
av_freep(&p_schro_params->format);
if (p_schro_params->dec_frame.data[0])
avccontext->release_buffer(avccontext, &p_schro_params->dec_frame);
avctx->release_buffer(avctx, &p_schro_params->dec_frame);
/* Free data in the output frame queue. */
ff_schro_queue_free(&p_schro_params->dec_frame_queue,
@ -371,11 +371,11 @@ static av_cold int libschroedinger_decode_close(AVCodecContext *avccontext)
return 0;
}
static void libschroedinger_flush(AVCodecContext *avccontext)
static void libschroedinger_flush(AVCodecContext *avctx)
{
/* Got a seek request. Free the decoded frames queue and then reset
* the decoder */
SchroDecoderParams *p_schro_params = avccontext->priv_data;
SchroDecoderParams *p_schro_params = avctx->priv_data;
/* Free data in the output frame queue. */
ff_schro_queue_free(&p_schro_params->dec_frame_queue,

102
libavcodec/libschroedingerenc.c
View File

@ -79,33 +79,32 @@ typedef struct SchroEncoderParams {
/**
* 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 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. */
@ -115,75 +114,75 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext)
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 = &p_schro_params->picture;
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",
@ -194,7 +193,7 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext)
"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,
@ -206,19 +205,17 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext)
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. */
@ -230,7 +227,7 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext)
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);
@ -239,19 +236,19 @@ static int libschroedinger_encode_init(AVCodecContext *avccontext)
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);
@ -266,11 +263,11 @@ static void libschroedinger_free_frame(void *data)
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;
@ -288,8 +285,7 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext, AVPacket *pk
}
} 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);
}
@ -361,7 +357,7 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext, AVPacket *pk
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;
}
}
@ -381,17 +377,17 @@ static int libschroedinger_encode_frame(AVCodecContext *avccontext, AVPacket *pk
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;
@ -416,9 +412,9 @@ error:
}
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);