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whitespace cosmetics: prettyprinting, K&R style
Originally committed as revision 20313 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun
parent
643fc8f107
commit
8767fb4cad
@ -38,17 +38,19 @@
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/* libtheora includes */
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#include <theora/theora.h>
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typedef struct TheoraContext{
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typedef struct TheoraContext {
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theora_state t_state;
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} TheoraContext;
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/*!
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Concatenates an ogg_packet into the extradata.
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*/
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static int concatenate_packet(unsigned int* offset, AVCodecContext* avc_context, const ogg_packet* packet)
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static int concatenate_packet(unsigned int* offset,
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AVCodecContext* avc_context,
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const ogg_packet* packet)
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{
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const char* message = NULL;
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uint8_t* newdata = NULL;
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uint8_t* newdata = NULL;
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int newsize = avc_context->extradata_size + 2 + packet->bytes;
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if (packet->bytes < 0) {
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@ -67,11 +69,11 @@ static int concatenate_packet(unsigned int* offset, AVCodecContext* avc_context,
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return -1;
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}
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avc_context->extradata = newdata;
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avc_context->extradata = newdata;
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avc_context->extradata_size = newsize;
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AV_WB16(avc_context->extradata + (*offset), packet->bytes);
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*offset += 2;
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memcpy( avc_context->extradata + (*offset), packet->packet, packet->bytes );
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memcpy(avc_context->extradata + (*offset), packet->packet, packet->bytes);
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(*offset) += packet->bytes;
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return 0;
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}
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@ -85,37 +87,37 @@ static av_cold int encode_init(AVCodecContext* avc_context)
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TheoraContext *h = avc_context->priv_data;
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/* Set up the theora_info struct */
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theora_info_init( &t_info );
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t_info.width = FFALIGN(avc_context->width, 16);
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t_info.height = FFALIGN(avc_context->height, 16);
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t_info.frame_width = avc_context->width;
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theora_info_init(&t_info);
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t_info.width = FFALIGN(avc_context->width, 16);
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t_info.height = FFALIGN(avc_context->height, 16);
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t_info.frame_width = avc_context->width;
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t_info.frame_height = avc_context->height;
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t_info.offset_x = 0;
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t_info.offset_y = avc_context->height & 0xf;
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t_info.offset_x = 0;
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t_info.offset_y = avc_context->height & 0xf;
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/* Swap numerator and denominator as time_base in AVCodecContext gives the
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* time period between frames, but theora_info needs the framerate. */
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t_info.fps_numerator = avc_context->time_base.den;
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t_info.fps_numerator = avc_context->time_base.den;
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t_info.fps_denominator = avc_context->time_base.num;
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if (avc_context->sample_aspect_ratio.num != 0) {
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t_info.aspect_numerator = avc_context->sample_aspect_ratio.num;
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t_info.aspect_numerator = avc_context->sample_aspect_ratio.num;
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t_info.aspect_denominator = avc_context->sample_aspect_ratio.den;
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} else {
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t_info.aspect_numerator = 1;
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t_info.aspect_numerator = 1;
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t_info.aspect_denominator = 1;
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}
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t_info.colorspace = OC_CS_UNSPECIFIED;
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t_info.pixelformat = OC_PF_420;
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t_info.keyframe_frequency = avc_context->gop_size;
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t_info.colorspace = OC_CS_UNSPECIFIED;
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t_info.pixelformat = OC_PF_420;
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t_info.keyframe_frequency = avc_context->gop_size;
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t_info.keyframe_frequency_force = avc_context->gop_size;
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t_info.keyframe_mindistance = avc_context->keyint_min;
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t_info.keyframe_mindistance = avc_context->keyint_min;
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t_info.quick_p = 1;
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t_info.dropframes_p = 0;
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t_info.keyframe_auto_p = 1;
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t_info.quick_p = 1;
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t_info.dropframes_p = 0;
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t_info.keyframe_auto_p = 1;
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t_info.keyframe_data_target_bitrate = t_info.target_bitrate * 1.5;
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t_info.keyframe_auto_threshold = 80;
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t_info.noise_sensitivity = 1;
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t_info.sharpness = 0;
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t_info.keyframe_auto_threshold = 80;
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t_info.noise_sensitivity = 1;
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t_info.sharpness = 0;
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if (avc_context->flags & CODEC_FLAG_QSCALE) {
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/* to be constant with the libvorbis implementation, clip global_quality to 0 - 10
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@ -123,21 +125,21 @@ static av_cold int encode_init(AVCodecContext* avc_context)
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* 0 <= p <=63
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* an int value
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*/
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t_info.quality = av_clip(avc_context->global_quality / (float)FF_QP2LAMBDA, 0, 10) * 6.3;
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t_info.quality = av_clip(avc_context->global_quality / (float)FF_QP2LAMBDA, 0, 10) * 6.3;
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t_info.target_bitrate = 0;
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} else {
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t_info.target_bitrate = avc_context->bit_rate;
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t_info.quality = 0;
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t_info.quality = 0;
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}
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/* Now initialise libtheora */
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if (theora_encode_init( &(h->t_state), &t_info ) != 0) {
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if (theora_encode_init(&(h->t_state), &t_info) != 0) {
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av_log(avc_context, AV_LOG_ERROR, "theora_encode_init failed\n");
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return -1;
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}
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/* Clear up theora_info struct */
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theora_info_clear( &t_info );
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theora_info_clear(&t_info);
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/*
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Output first header packet consisting of theora
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@ -149,24 +151,24 @@ static av_cold int encode_init(AVCodecContext* avc_context)
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offset = 0;
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/* Header */
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theora_encode_header( &(h->t_state), &o_packet );
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if (concatenate_packet( &offset, avc_context, &o_packet ) != 0)
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theora_encode_header(&(h->t_state), &o_packet);
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if (concatenate_packet(&offset, avc_context, &o_packet) != 0)
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return -1;
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/* Comment */
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theora_comment_init( &t_comment );
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theora_encode_comment( &t_comment, &o_packet );
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if (concatenate_packet( &offset, avc_context, &o_packet ) != 0)
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theora_comment_init(&t_comment);
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theora_encode_comment(&t_comment, &o_packet);
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if (concatenate_packet(&offset, avc_context, &o_packet) != 0)
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return -1;
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/* Clear up theora_comment struct before we reset the packet */
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theora_comment_clear( &t_comment );
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theora_comment_clear(&t_comment);
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/* And despite documentation to the contrary, theora_comment_clear
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* does not release the packet */
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ogg_packet_clear(&o_packet);
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/* Tables */
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theora_encode_tables( &(h->t_state), &o_packet );
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if (concatenate_packet( &offset, avc_context, &o_packet ) != 0)
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theora_encode_tables(&(h->t_state), &o_packet);
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if (concatenate_packet(&offset, avc_context, &o_packet) != 0)
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return -1;
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/* Set up the output AVFrame */
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@ -175,11 +177,8 @@ static av_cold int encode_init(AVCodecContext* avc_context)
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return 0;
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}
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static int encode_frame(
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AVCodecContext* avc_context,
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uint8_t *outbuf,
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int buf_size,
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void *data)
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static int encode_frame(AVCodecContext* avc_context, uint8_t *outbuf,
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int buf_size, void *data)
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{
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yuv_buffer t_yuv_buffer;
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TheoraContext *h = avc_context->priv_data;
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@ -195,10 +194,10 @@ static int encode_frame(
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return -1;
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}
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t_yuv_buffer.y_width = FFALIGN(avc_context->width, 16);
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t_yuv_buffer.y_height = FFALIGN(avc_context->height, 16);
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t_yuv_buffer.y_stride = frame->linesize[0];
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t_yuv_buffer.uv_width = t_yuv_buffer.y_width / 2;
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t_yuv_buffer.y_width = FFALIGN(avc_context->width, 16);
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t_yuv_buffer.y_height = FFALIGN(avc_context->height, 16);
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t_yuv_buffer.y_stride = frame->linesize[0];
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t_yuv_buffer.uv_width = t_yuv_buffer.y_width / 2;
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t_yuv_buffer.uv_height = t_yuv_buffer.y_height / 2;
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t_yuv_buffer.uv_stride = frame->linesize[1];
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@ -207,36 +206,36 @@ static int encode_frame(
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t_yuv_buffer.v = frame->data[2];
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/* Now call into theora_encode_YUVin */
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result = theora_encode_YUVin( &(h->t_state), &t_yuv_buffer );
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result = theora_encode_YUVin(&(h->t_state), &t_yuv_buffer);
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if (result != 0) {
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const char* message;
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switch (result) {
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case -1:
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message = "differing frame sizes";
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break;
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case OC_EINVAL:
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message = "encoder is not ready or is finished";
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break;
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default:
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message = "unknown reason";
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break;
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case -1:
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message = "differing frame sizes";
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break;
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case OC_EINVAL:
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message = "encoder is not ready or is finished";
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break;
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default:
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message = "unknown reason";
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break;
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}
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av_log(avc_context, AV_LOG_ERROR, "theora_encode_YUVin failed (%s) [%d]\n", message, result);
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return -1;
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}
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/* Pick up returned ogg_packet */
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result = theora_encode_packetout( &(h->t_state), 0, &o_packet );
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result = theora_encode_packetout(&(h->t_state), 0, &o_packet);
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switch (result) {
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case 0:
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/* No packet is ready */
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return 0;
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case 1:
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/* Success, we have a packet */
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break;
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default:
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av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed [%d]\n", result);
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return -1;
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case 0:
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/* No packet is ready */
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return 0;
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case 1:
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/* Success, we have a packet */
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break;
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default:
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av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed [%d]\n", result);
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return -1;
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}
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/* Copy ogg_packet content out to buffer */
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@ -247,7 +246,7 @@ static int encode_frame(
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memcpy(outbuf, o_packet.packet, o_packet.bytes);
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// HACK: does not take codec delay into account (neither does the decoder though)
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avc_context->coded_frame->pts= frame->pts;
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avc_context->coded_frame->pts = frame->pts;
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return o_packet.bytes;
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}
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@ -259,23 +258,23 @@ static av_cold int encode_close(AVCodecContext* avc_context)
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int result;
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const char* message;
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result = theora_encode_packetout( &(h->t_state), 1, &o_packet );
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theora_clear( &(h->t_state) );
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result = theora_encode_packetout(&(h->t_state), 1, &o_packet);
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theora_clear(&(h->t_state));
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av_freep(&avc_context->coded_frame);
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av_freep(&avc_context->extradata);
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avc_context->extradata_size = 0;
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switch (result) {
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case 0:/* No packet is ready */
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case -1:/* Encoding finished */
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return 0;
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case 1:
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/* We have a packet */
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message = "gave us a packet";
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break;
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default:
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message = "unknown reason";
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break;
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case 0: /* No packet is ready */
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case -1: /* Encoding finished */
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return 0;
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case 1:
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/* We have a packet */
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message = "gave us a packet";
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break;
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default:
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message = "unknown reason";
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break;
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}
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av_log(avc_context, AV_LOG_ERROR, "theora_encode_packetout failed (%s) [%d]\n", message, result);
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return -1;
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@ -284,8 +283,7 @@ static av_cold int encode_close(AVCodecContext* avc_context)
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static const enum PixelFormat supported_pixel_formats[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
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/*! AVCodec struct exposed to libavcodec */
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AVCodec libtheora_encoder =
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{
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AVCodec libtheora_encoder = {
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.name = "libtheora",
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.type = CODEC_TYPE_VIDEO,
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.id = CODEC_ID_THEORA,
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